nginx: src/http/modules/ngx_http_sub_filter

annotate src/http/modules/ngx_http_sub_filter_module.c @ 6464:088ef087a011

Sub filter: fixed allocation alignment.

author	Roman Arutyunyan <arut@nginx.com>
date	Mon, 28 Mar 2016 13:35:25 +0300
parents	fbbb1c1ce1eb
children	f01ab2dbcfdc

rev	line source
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	2 /*
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	3 * Copyright (C) Igor Sysoev
4412 d620f497c50f Copyright updated. Maxim Konovalov <maxim@nginx.com> parents: 3675 diff changeset	4 * Copyright (C) Nginx, Inc.
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	5 */
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	6
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	7
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	8 #include <ngx_config.h>
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	9 #include <ngx_core.h>
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	10 #include <ngx_http.h>
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	11
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	12
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	13 typedef struct {
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	14 ngx_http_complex_value_t match;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	15 ngx_http_complex_value_t value;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	16 } ngx_http_sub_pair_t;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	17
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	18
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	19 typedef struct {
2588 a6954ce88b80 use complex values in add_header, auth_basic_user_file, Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	20 ngx_str_t match;
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	21 ngx_http_complex_value_t *value;
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	22 } ngx_http_sub_match_t;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	23
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	24
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	25 typedef struct {
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	26 ngx_uint_t min_match_len;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	27 ngx_uint_t max_match_len;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	28
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	29 u_char index[257];
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	30 u_char shift[256];
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	31 } ngx_http_sub_tables_t;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	32
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	33
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	34 typedef struct {
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	35 ngx_uint_t dynamic; /* unsigned dynamic:1; */
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	36
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	37 ngx_array_t *pairs;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	38
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	39 ngx_http_sub_tables_t *tables;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	40
2588 a6954ce88b80 use complex values in add_header, auth_basic_user_file, Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	41 ngx_hash_t types;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	42
2588 a6954ce88b80 use complex values in add_header, auth_basic_user_file, Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	43 ngx_flag_t once;
5229 4c1a604b0285 Sub filter: sub_filter_last_modified directive. Maxim Dounin <mdounin@mdounin.ru> parents: 4947 diff changeset	44 ngx_flag_t last_modified;
2166 723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2135 diff changeset	45
2588 a6954ce88b80 use complex values in add_header, auth_basic_user_file, Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	46 ngx_array_t *types_keys;
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	47 ngx_array_t *matches;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	48 } ngx_http_sub_loc_conf_t;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	49
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	50
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	51 typedef struct {
3675 08d7165b6be1 fix case of partially matched patterns on buffer border in sub_filter Igor Sysoev <igor@sysoev.ru> parents: 3642 diff changeset	52 ngx_str_t saved;
08d7165b6be1 fix case of partially matched patterns on buffer border in sub_filter Igor Sysoev <igor@sysoev.ru> parents: 3642 diff changeset	53 ngx_str_t looked;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	54
2588 a6954ce88b80 use complex values in add_header, auth_basic_user_file, Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	55 ngx_uint_t once; /* unsigned once:1 */
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	56
2588 a6954ce88b80 use complex values in add_header, auth_basic_user_file, Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	57 ngx_buf_t *buf;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	58
2588 a6954ce88b80 use complex values in add_header, auth_basic_user_file, Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	59 u_char *pos;
a6954ce88b80 use complex values in add_header, auth_basic_user_file, Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	60 u_char *copy_start;
a6954ce88b80 use complex values in add_header, auth_basic_user_file, Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	61 u_char *copy_end;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	62
2588 a6954ce88b80 use complex values in add_header, auth_basic_user_file, Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	63 ngx_chain_t *in;
a6954ce88b80 use complex values in add_header, auth_basic_user_file, Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	64 ngx_chain_t *out;
a6954ce88b80 use complex values in add_header, auth_basic_user_file, Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	65 ngx_chain_t **last_out;
a6954ce88b80 use complex values in add_header, auth_basic_user_file, Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	66 ngx_chain_t *busy;
a6954ce88b80 use complex values in add_header, auth_basic_user_file, Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	67 ngx_chain_t *free;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	68
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	69 ngx_str_t *sub;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	70 ngx_uint_t applied;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	71
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	72 ngx_int_t offset;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	73 ngx_uint_t index;
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	74
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	75 ngx_http_sub_tables_t *tables;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	76 ngx_array_t *matches;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	77 } ngx_http_sub_ctx_t;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	78
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	79
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	80 static ngx_uint_t ngx_http_sub_cmp_index;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	81
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	82
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	83 static ngx_int_t ngx_http_sub_output(ngx_http_request_t *r,
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	84 ngx_http_sub_ctx_t *ctx);
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	85 static ngx_int_t ngx_http_sub_parse(ngx_http_request_t *r,
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	86 ngx_http_sub_ctx_t *ctx);
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	87
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	88 static char * ngx_http_sub_filter(ngx_conf_t cf, ngx_command_t cmd,
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	89 void *conf);
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	90 static void ngx_http_sub_create_conf(ngx_conf_t cf);
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	91 static char ngx_http_sub_merge_conf(ngx_conf_t cf,
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	92 void parent, void child);
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	93 static void ngx_http_sub_init_tables(ngx_http_sub_tables_t *tables,
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	94 ngx_http_sub_match_t *match, ngx_uint_t n);
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	95 static ngx_int_t ngx_http_sub_cmp_matches(const void one, const void two);
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	96 static ngx_int_t ngx_http_sub_filter_init(ngx_conf_t *cf);
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	97
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	98
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	99 static ngx_command_t ngx_http_sub_filter_commands[] = {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	100
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	101 { ngx_string("sub_filter"),
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	102 NGX_HTTP_MAIN_CONF\|NGX_HTTP_SRV_CONF\|NGX_HTTP_LOC_CONF\|NGX_CONF_TAKE2,
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	103 ngx_http_sub_filter,
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	104 NGX_HTTP_LOC_CONF_OFFSET,
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	105 0,
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	106 NULL },
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	107
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	108 { ngx_string("sub_filter_types"),
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	109 NGX_HTTP_MAIN_CONF\|NGX_HTTP_SRV_CONF\|NGX_HTTP_LOC_CONF\|NGX_CONF_1MORE,
2166 723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2135 diff changeset	110 ngx_http_types_slot,
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	111 NGX_HTTP_LOC_CONF_OFFSET,
2166 723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2135 diff changeset	112 offsetof(ngx_http_sub_loc_conf_t, types_keys),
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2135 diff changeset	113 &ngx_http_html_default_types[0] },
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	114
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	115 { ngx_string("sub_filter_once"),
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	116 NGX_HTTP_MAIN_CONF\|NGX_HTTP_SRV_CONF\|NGX_HTTP_LOC_CONF\|NGX_CONF_FLAG,
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	117 ngx_conf_set_flag_slot,
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	118 NGX_HTTP_LOC_CONF_OFFSET,
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	119 offsetof(ngx_http_sub_loc_conf_t, once),
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	120 NULL },
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	121
5229 4c1a604b0285 Sub filter: sub_filter_last_modified directive. Maxim Dounin <mdounin@mdounin.ru> parents: 4947 diff changeset	122 { ngx_string("sub_filter_last_modified"),
4c1a604b0285 Sub filter: sub_filter_last_modified directive. Maxim Dounin <mdounin@mdounin.ru> parents: 4947 diff changeset	123 NGX_HTTP_MAIN_CONF\|NGX_HTTP_SRV_CONF\|NGX_HTTP_LOC_CONF\|NGX_CONF_FLAG,
4c1a604b0285 Sub filter: sub_filter_last_modified directive. Maxim Dounin <mdounin@mdounin.ru> parents: 4947 diff changeset	124 ngx_conf_set_flag_slot,
4c1a604b0285 Sub filter: sub_filter_last_modified directive. Maxim Dounin <mdounin@mdounin.ru> parents: 4947 diff changeset	125 NGX_HTTP_LOC_CONF_OFFSET,
4c1a604b0285 Sub filter: sub_filter_last_modified directive. Maxim Dounin <mdounin@mdounin.ru> parents: 4947 diff changeset	126 offsetof(ngx_http_sub_loc_conf_t, last_modified),
4c1a604b0285 Sub filter: sub_filter_last_modified directive. Maxim Dounin <mdounin@mdounin.ru> parents: 4947 diff changeset	127 NULL },
4c1a604b0285 Sub filter: sub_filter_last_modified directive. Maxim Dounin <mdounin@mdounin.ru> parents: 4947 diff changeset	128
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	129 ngx_null_command
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	130 };
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	131
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	132
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	133 static ngx_http_module_t ngx_http_sub_filter_module_ctx = {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	134 NULL, /* preconfiguration */
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	135 ngx_http_sub_filter_init, /* postconfiguration */
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	136
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	137 NULL, /* create main configuration */
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	138 NULL, /* init main configuration */
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	139
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	140 NULL, /* create server configuration */
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	141 NULL, /* merge server configuration */
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	142
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	143 ngx_http_sub_create_conf, /* create location configuration */
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	144 ngx_http_sub_merge_conf /* merge location configuration */
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	145 };
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	146
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	147
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	148 ngx_module_t ngx_http_sub_filter_module = {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	149 NGX_MODULE_V1,
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	150 &ngx_http_sub_filter_module_ctx, /* module context */
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	151 ngx_http_sub_filter_commands, /* module directives */
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	152 NGX_HTTP_MODULE, /* module type */
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	153 NULL, /* init master */
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	154 NULL, /* init module */
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	155 NULL, /* init process */
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	156 NULL, /* init thread */
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	157 NULL, /* exit thread */
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	158 NULL, /* exit process */
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	159 NULL, /* exit master */
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	160 NGX_MODULE_V1_PADDING
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	161 };
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	162
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	163
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	164 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	165 static ngx_http_output_body_filter_pt ngx_http_next_body_filter;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	166
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	167
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	168 static ngx_int_t
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	169 ngx_http_sub_header_filter(ngx_http_request_t *r)
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	170 {
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	171 ngx_str_t *m;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	172 ngx_uint_t i, j, n;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	173 ngx_http_sub_ctx_t *ctx;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	174 ngx_http_sub_pair_t *pairs;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	175 ngx_http_sub_match_t *matches;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	176 ngx_http_sub_loc_conf_t *slcf;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	177
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	178 slcf = ngx_http_get_module_loc_conf(r, ngx_http_sub_filter_module);
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	179
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	180 if (slcf->pairs == NULL
2166 723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2135 diff changeset	181 \|\| r->headers_out.content_length_n == 0
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2135 diff changeset	182 \|\| ngx_http_test_content_type(r, &slcf->types) == NULL)
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	183 {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	184 return ngx_http_next_header_filter(r);
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	185 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	186
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	187 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_sub_ctx_t));
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	188 if (ctx == NULL) {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	189 return NGX_ERROR;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	190 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	191
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	192 if (slcf->dynamic == 0) {
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	193 ctx->tables = slcf->tables;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	194 ctx->matches = slcf->matches;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	195
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	196 } else {
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	197 pairs = slcf->pairs->elts;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	198 n = slcf->pairs->nelts;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	199
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	200 matches = ngx_pcalloc(r->pool, sizeof(ngx_http_sub_match_t) * n);
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	201 if (matches == NULL) {
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	202 return NGX_ERROR;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	203 }
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	204
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	205 j = 0;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	206 for (i = 0; i < n; i++) {
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	207 matches[j].value = &pairs[i].value;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	208
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	209 if (pairs[i].match.lengths == NULL) {
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	210 matches[j].match = pairs[i].match.value;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	211 j++;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	212 continue;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	213 }
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	214
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	215 m = &matches[j].match;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	216 if (ngx_http_complex_value(r, &pairs[i].match, m) != NGX_OK) {
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	217 return NGX_ERROR;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	218 }
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	219
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	220 if (m->len == 0) {
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	221 continue;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	222 }
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	223
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	224 ngx_strlow(m->data, m->data, m->len);
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	225 j++;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	226 }
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	227
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	228 if (j == 0) {
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	229 return ngx_http_next_header_filter(r);
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	230 }
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	231
6464 088ef087a011 Sub filter: fixed allocation alignment. Roman Arutyunyan <arut@nginx.com> parents: 6247 diff changeset	232 ctx->matches = ngx_palloc(r->pool, sizeof(ngx_array_t));
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	233 if (ctx->matches == NULL) {
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	234 return NGX_ERROR;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	235 }
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	236
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	237 ctx->matches->elts = matches;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	238 ctx->matches->nelts = j;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	239
6464 088ef087a011 Sub filter: fixed allocation alignment. Roman Arutyunyan <arut@nginx.com> parents: 6247 diff changeset	240 ctx->tables = ngx_palloc(r->pool, sizeof(ngx_http_sub_tables_t));
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	241 if (ctx->tables == NULL) {
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	242 return NGX_ERROR;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	243 }
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	244
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	245 ngx_http_sub_init_tables(ctx->tables, ctx->matches->elts,
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	246 ctx->matches->nelts);
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	247 }
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	248
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	249 ngx_http_set_ctx(r, ctx, ngx_http_sub_filter_module);
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	250
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	251 ctx->saved.data = ngx_pnalloc(r->pool, ctx->tables->max_match_len - 1);
3675 08d7165b6be1 fix case of partially matched patterns on buffer border in sub_filter Igor Sysoev <igor@sysoev.ru> parents: 3642 diff changeset	252 if (ctx->saved.data == NULL) {
08d7165b6be1 fix case of partially matched patterns on buffer border in sub_filter Igor Sysoev <igor@sysoev.ru> parents: 3642 diff changeset	253 return NGX_ERROR;
08d7165b6be1 fix case of partially matched patterns on buffer border in sub_filter Igor Sysoev <igor@sysoev.ru> parents: 3642 diff changeset	254 }
08d7165b6be1 fix case of partially matched patterns on buffer border in sub_filter Igor Sysoev <igor@sysoev.ru> parents: 3642 diff changeset	255
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	256 ctx->looked.data = ngx_pnalloc(r->pool, ctx->tables->max_match_len - 1);
3675 08d7165b6be1 fix case of partially matched patterns on buffer border in sub_filter Igor Sysoev <igor@sysoev.ru> parents: 3642 diff changeset	257 if (ctx->looked.data == NULL) {
08d7165b6be1 fix case of partially matched patterns on buffer border in sub_filter Igor Sysoev <igor@sysoev.ru> parents: 3642 diff changeset	258 return NGX_ERROR;
08d7165b6be1 fix case of partially matched patterns on buffer border in sub_filter Igor Sysoev <igor@sysoev.ru> parents: 3642 diff changeset	259 }
08d7165b6be1 fix case of partially matched patterns on buffer border in sub_filter Igor Sysoev <igor@sysoev.ru> parents: 3642 diff changeset	260
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	261 ctx->offset = ctx->tables->min_match_len - 1;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	262 ctx->last_out = &ctx->out;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	263
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	264 r->filter_need_in_memory = 1;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	265
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	266 if (r == r->main) {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	267 ngx_http_clear_content_length(r);
5229 4c1a604b0285 Sub filter: sub_filter_last_modified directive. Maxim Dounin <mdounin@mdounin.ru> parents: 4947 diff changeset	268
4c1a604b0285 Sub filter: sub_filter_last_modified directive. Maxim Dounin <mdounin@mdounin.ru> parents: 4947 diff changeset	269 if (!slcf->last_modified) {
4c1a604b0285 Sub filter: sub_filter_last_modified directive. Maxim Dounin <mdounin@mdounin.ru> parents: 4947 diff changeset	270 ngx_http_clear_last_modified(r);
5733 e491b26fa5a1 Entity tags: downgrade strong etags to weak ones as needed. Maxim Dounin <mdounin@mdounin.ru> parents: 5710 diff changeset	271 ngx_http_clear_etag(r);
e491b26fa5a1 Entity tags: downgrade strong etags to weak ones as needed. Maxim Dounin <mdounin@mdounin.ru> parents: 5710 diff changeset	272
e491b26fa5a1 Entity tags: downgrade strong etags to weak ones as needed. Maxim Dounin <mdounin@mdounin.ru> parents: 5710 diff changeset	273 } else {
e491b26fa5a1 Entity tags: downgrade strong etags to weak ones as needed. Maxim Dounin <mdounin@mdounin.ru> parents: 5710 diff changeset	274 ngx_http_weak_etag(r);
5229 4c1a604b0285 Sub filter: sub_filter_last_modified directive. Maxim Dounin <mdounin@mdounin.ru> parents: 4947 diff changeset	275 }
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	276 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	277
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	278 return ngx_http_next_header_filter(r);
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	279 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	280
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	281
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	282 static ngx_int_t
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	283 ngx_http_sub_body_filter(ngx_http_request_t r, ngx_chain_t in)
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	284 {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	285 ngx_int_t rc;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	286 ngx_buf_t *b;
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	287 ngx_str_t *sub;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	288 ngx_chain_t *cl;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	289 ngx_http_sub_ctx_t *ctx;
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	290 ngx_http_sub_match_t *match;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	291 ngx_http_sub_loc_conf_t *slcf;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	292
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	293 ctx = ngx_http_get_module_ctx(r, ngx_http_sub_filter_module);
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	294
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	295 if (ctx == NULL) {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	296 return ngx_http_next_body_filter(r, in);
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	297 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	298
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	299 if ((in == NULL
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	300 && ctx->buf == NULL
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	301 && ctx->in == NULL
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	302 && ctx->busy == NULL))
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	303 {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	304 return ngx_http_next_body_filter(r, in);
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	305 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	306
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	307 if (ctx->once && (ctx->buf == NULL \|\| ctx->in == NULL)) {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	308
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	309 if (ctx->busy) {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	310 if (ngx_http_sub_output(r, ctx) == NGX_ERROR) {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	311 return NGX_ERROR;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	312 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	313 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	314
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	315 return ngx_http_next_body_filter(r, in);
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	316 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	317
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	318 /* add the incoming chain to the chain ctx->in */
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	319
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	320 if (in) {
2536 a6d6d762c554 small optimization: " == NGX_ERROR" > " != NGX_OK" Igor Sysoev <igor@sysoev.ru> parents: 2414 diff changeset	321 if (ngx_chain_add_copy(r->pool, &ctx->in, in) != NGX_OK) {
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	322 return NGX_ERROR;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	323 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	324 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	325
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	326 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	327 "http sub filter \"%V\"", &r->uri);
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	328
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	329 while (ctx->in \|\| ctx->buf) {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	330
3642 ac33852faaac style fix Igor Sysoev <igor@sysoev.ru> parents: 3372 diff changeset	331 if (ctx->buf == NULL) {
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	332 ctx->buf = ctx->in->buf;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	333 ctx->in = ctx->in->next;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	334 ctx->pos = ctx->buf->pos;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	335 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	336
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	337 b = NULL;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	338
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	339 while (ctx->pos < ctx->buf->last) {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	340
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	341 rc = ngx_http_sub_parse(r, ctx);
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	342
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	343 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
3675 08d7165b6be1 fix case of partially matched patterns on buffer border in sub_filter Igor Sysoev <igor@sysoev.ru> parents: 3642 diff changeset	344 "parse: %d, looked: \"%V\" %p-%p",
08d7165b6be1 fix case of partially matched patterns on buffer border in sub_filter Igor Sysoev <igor@sysoev.ru> parents: 3642 diff changeset	345 rc, &ctx->looked, ctx->copy_start, ctx->copy_end);
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	346
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	347 if (rc == NGX_ERROR) {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	348 return rc;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	349 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	350
5288 102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	351 if (ctx->saved.len) {
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	352
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	353 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
3675 08d7165b6be1 fix case of partially matched patterns on buffer border in sub_filter Igor Sysoev <igor@sysoev.ru> parents: 3642 diff changeset	354 "saved: \"%V\"", &ctx->saved);
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	355
5288 102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	356 cl = ngx_chain_get_free_buf(r->pool, &ctx->free);
102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	357 if (cl == NULL) {
102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	358 return NGX_ERROR;
102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	359 }
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	360
5288 102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	361 b = cl->buf;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	362
5288 102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	363 ngx_memzero(b, sizeof(ngx_buf_t));
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	364
5288 102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	365 b->pos = ngx_pnalloc(r->pool, ctx->saved.len);
102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	366 if (b->pos == NULL) {
102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	367 return NGX_ERROR;
102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	368 }
3675 08d7165b6be1 fix case of partially matched patterns on buffer border in sub_filter Igor Sysoev <igor@sysoev.ru> parents: 3642 diff changeset	369
5288 102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	370 ngx_memcpy(b->pos, ctx->saved.data, ctx->saved.len);
102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	371 b->last = b->pos + ctx->saved.len;
102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	372 b->memory = 1;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	373
5288 102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	374 *ctx->last_out = cl;
102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	375 ctx->last_out = &cl->next;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	376
5288 102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	377 ctx->saved.len = 0;
102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	378 }
102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	379
102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	380 if (ctx->copy_start != ctx->copy_end) {
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	381
5285 d47ef93134e5 Sub filter: switched to ngx_chain_get_free_buf(). Maxim Dounin <mdounin@mdounin.ru> parents: 5284 diff changeset	382 cl = ngx_chain_get_free_buf(r->pool, &ctx->free);
d47ef93134e5 Sub filter: switched to ngx_chain_get_free_buf(). Maxim Dounin <mdounin@mdounin.ru> parents: 5284 diff changeset	383 if (cl == NULL) {
d47ef93134e5 Sub filter: switched to ngx_chain_get_free_buf(). Maxim Dounin <mdounin@mdounin.ru> parents: 5284 diff changeset	384 return NGX_ERROR;
d47ef93134e5 Sub filter: switched to ngx_chain_get_free_buf(). Maxim Dounin <mdounin@mdounin.ru> parents: 5284 diff changeset	385 }
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	386
5285 d47ef93134e5 Sub filter: switched to ngx_chain_get_free_buf(). Maxim Dounin <mdounin@mdounin.ru> parents: 5284 diff changeset	387 b = cl->buf;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	388
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	389 ngx_memcpy(b, ctx->buf, sizeof(ngx_buf_t));
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	390
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	391 b->pos = ctx->copy_start;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	392 b->last = ctx->copy_end;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	393 b->shadow = NULL;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	394 b->last_buf = 0;
5710 9e9c1310d17c Sub filter: fixed subrequests handling. Maxim Dounin <mdounin@mdounin.ru> parents: 5288 diff changeset	395 b->last_in_chain = 0;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	396 b->recycled = 0;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	397
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	398 if (b->in_file) {
2079 333ef9e18a59 fix error when response parsed by sub filter, then by SSI filter Igor Sysoev <igor@sysoev.ru> parents: 2049 diff changeset	399 b->file_last = b->file_pos + (b->last - ctx->buf->pos);
333ef9e18a59 fix error when response parsed by sub filter, then by SSI filter Igor Sysoev <igor@sysoev.ru> parents: 2049 diff changeset	400 b->file_pos += b->pos - ctx->buf->pos;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	401 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	402
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	403 *ctx->last_out = cl;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	404 ctx->last_out = &cl->next;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	405 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	406
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	407 if (rc == NGX_AGAIN) {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	408 continue;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	409 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	410
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	411
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	412 /* rc == NGX_OK */
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	413
5285 d47ef93134e5 Sub filter: switched to ngx_chain_get_free_buf(). Maxim Dounin <mdounin@mdounin.ru> parents: 5284 diff changeset	414 cl = ngx_chain_get_free_buf(r->pool, &ctx->free);
d47ef93134e5 Sub filter: switched to ngx_chain_get_free_buf(). Maxim Dounin <mdounin@mdounin.ru> parents: 5284 diff changeset	415 if (cl == NULL) {
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	416 return NGX_ERROR;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	417 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	418
5285 d47ef93134e5 Sub filter: switched to ngx_chain_get_free_buf(). Maxim Dounin <mdounin@mdounin.ru> parents: 5284 diff changeset	419 b = cl->buf;
d47ef93134e5 Sub filter: switched to ngx_chain_get_free_buf(). Maxim Dounin <mdounin@mdounin.ru> parents: 5284 diff changeset	420
d47ef93134e5 Sub filter: switched to ngx_chain_get_free_buf(). Maxim Dounin <mdounin@mdounin.ru> parents: 5284 diff changeset	421 ngx_memzero(b, sizeof(ngx_buf_t));
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	422
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	423 slcf = ngx_http_get_module_loc_conf(r, ngx_http_sub_filter_module);
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	424
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	425 if (ctx->sub == NULL) {
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	426 ctx->sub = ngx_pcalloc(r->pool, sizeof(ngx_str_t)
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	427 * ctx->matches->nelts);
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	428 if (ctx->sub == NULL) {
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	429 return NGX_ERROR;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	430 }
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	431 }
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	432
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	433 sub = &ctx->sub[ctx->index];
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	434
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	435 if (sub->data == NULL) {
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	436 match = ctx->matches->elts;
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	437
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	438 if (ngx_http_complex_value(r, match[ctx->index].value, sub)
2588 a6954ce88b80 use complex values in add_header, auth_basic_user_file, Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	439 != NGX_OK)
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	440 {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	441 return NGX_ERROR;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	442 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	443 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	444
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	445 if (sub->len) {
1555 76fe59c6fafb fix empty string replacement in sub_filter Igor Sysoev <igor@sysoev.ru> parents: 1172 diff changeset	446 b->memory = 1;
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	447 b->pos = sub->data;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	448 b->last = sub->data + sub->len;
1555 76fe59c6fafb fix empty string replacement in sub_filter Igor Sysoev <igor@sysoev.ru> parents: 1172 diff changeset	449
76fe59c6fafb fix empty string replacement in sub_filter Igor Sysoev <igor@sysoev.ru> parents: 1172 diff changeset	450 } else {
76fe59c6fafb fix empty string replacement in sub_filter Igor Sysoev <igor@sysoev.ru> parents: 1172 diff changeset	451 b->sync = 1;
76fe59c6fafb fix empty string replacement in sub_filter Igor Sysoev <igor@sysoev.ru> parents: 1172 diff changeset	452 }
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	453
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	454 *ctx->last_out = cl;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	455 ctx->last_out = &cl->next;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	456
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	457 ctx->index = 0;
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	458 ctx->once = slcf->once && (++ctx->applied == ctx->matches->nelts);
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	459
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	460 continue;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	461 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	462
5710 9e9c1310d17c Sub filter: fixed subrequests handling. Maxim Dounin <mdounin@mdounin.ru> parents: 5288 diff changeset	463 if (ctx->looked.len
9e9c1310d17c Sub filter: fixed subrequests handling. Maxim Dounin <mdounin@mdounin.ru> parents: 5288 diff changeset	464 && (ctx->buf->last_buf \|\| ctx->buf->last_in_chain))
9e9c1310d17c Sub filter: fixed subrequests handling. Maxim Dounin <mdounin@mdounin.ru> parents: 5288 diff changeset	465 {
5287 2dbc5e38b65d Sub filter: fixed incomplete last buffer on partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5286 diff changeset	466 cl = ngx_chain_get_free_buf(r->pool, &ctx->free);
2dbc5e38b65d Sub filter: fixed incomplete last buffer on partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5286 diff changeset	467 if (cl == NULL) {
2dbc5e38b65d Sub filter: fixed incomplete last buffer on partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5286 diff changeset	468 return NGX_ERROR;
2dbc5e38b65d Sub filter: fixed incomplete last buffer on partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5286 diff changeset	469 }
2dbc5e38b65d Sub filter: fixed incomplete last buffer on partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5286 diff changeset	470
2dbc5e38b65d Sub filter: fixed incomplete last buffer on partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5286 diff changeset	471 b = cl->buf;
2dbc5e38b65d Sub filter: fixed incomplete last buffer on partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5286 diff changeset	472
2dbc5e38b65d Sub filter: fixed incomplete last buffer on partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5286 diff changeset	473 ngx_memzero(b, sizeof(ngx_buf_t));
2dbc5e38b65d Sub filter: fixed incomplete last buffer on partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5286 diff changeset	474
2dbc5e38b65d Sub filter: fixed incomplete last buffer on partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5286 diff changeset	475 b->pos = ctx->looked.data;
2dbc5e38b65d Sub filter: fixed incomplete last buffer on partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5286 diff changeset	476 b->last = b->pos + ctx->looked.len;
2dbc5e38b65d Sub filter: fixed incomplete last buffer on partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5286 diff changeset	477 b->memory = 1;
2dbc5e38b65d Sub filter: fixed incomplete last buffer on partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5286 diff changeset	478
2dbc5e38b65d Sub filter: fixed incomplete last buffer on partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5286 diff changeset	479 *ctx->last_out = cl;
2dbc5e38b65d Sub filter: fixed incomplete last buffer on partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5286 diff changeset	480 ctx->last_out = &cl->next;
2dbc5e38b65d Sub filter: fixed incomplete last buffer on partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5286 diff changeset	481
2dbc5e38b65d Sub filter: fixed incomplete last buffer on partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5286 diff changeset	482 ctx->looked.len = 0;
2dbc5e38b65d Sub filter: fixed incomplete last buffer on partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5286 diff changeset	483 }
2dbc5e38b65d Sub filter: fixed incomplete last buffer on partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5286 diff changeset	484
5710 9e9c1310d17c Sub filter: fixed subrequests handling. Maxim Dounin <mdounin@mdounin.ru> parents: 5288 diff changeset	485 if (ctx->buf->last_buf \|\| ctx->buf->flush \|\| ctx->buf->sync
5286 819c5b53d8b5 Sub filter: flush buffers handling. Maxim Dounin <mdounin@mdounin.ru> parents: 5285 diff changeset	486 \|\| ngx_buf_in_memory(ctx->buf))
819c5b53d8b5 Sub filter: flush buffers handling. Maxim Dounin <mdounin@mdounin.ru> parents: 5285 diff changeset	487 {
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	488 if (b == NULL) {
5285 d47ef93134e5 Sub filter: switched to ngx_chain_get_free_buf(). Maxim Dounin <mdounin@mdounin.ru> parents: 5284 diff changeset	489 cl = ngx_chain_get_free_buf(r->pool, &ctx->free);
d47ef93134e5 Sub filter: switched to ngx_chain_get_free_buf(). Maxim Dounin <mdounin@mdounin.ru> parents: 5284 diff changeset	490 if (cl == NULL) {
d47ef93134e5 Sub filter: switched to ngx_chain_get_free_buf(). Maxim Dounin <mdounin@mdounin.ru> parents: 5284 diff changeset	491 return NGX_ERROR;
d47ef93134e5 Sub filter: switched to ngx_chain_get_free_buf(). Maxim Dounin <mdounin@mdounin.ru> parents: 5284 diff changeset	492 }
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	493
5285 d47ef93134e5 Sub filter: switched to ngx_chain_get_free_buf(). Maxim Dounin <mdounin@mdounin.ru> parents: 5284 diff changeset	494 b = cl->buf;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	495
5285 d47ef93134e5 Sub filter: switched to ngx_chain_get_free_buf(). Maxim Dounin <mdounin@mdounin.ru> parents: 5284 diff changeset	496 ngx_memzero(b, sizeof(ngx_buf_t));
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	497
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	498 b->sync = 1;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	499
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	500 *ctx->last_out = cl;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	501 ctx->last_out = &cl->next;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	502 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	503
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	504 b->last_buf = ctx->buf->last_buf;
5710 9e9c1310d17c Sub filter: fixed subrequests handling. Maxim Dounin <mdounin@mdounin.ru> parents: 5288 diff changeset	505 b->last_in_chain = ctx->buf->last_in_chain;
5286 819c5b53d8b5 Sub filter: flush buffers handling. Maxim Dounin <mdounin@mdounin.ru> parents: 5285 diff changeset	506 b->flush = ctx->buf->flush;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	507 b->shadow = ctx->buf;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	508
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	509 b->recycled = ctx->buf->recycled;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	510 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	511
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	512 ctx->buf = NULL;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	513 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	514
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	515 if (ctx->out == NULL && ctx->busy == NULL) {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	516 return NGX_OK;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	517 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	518
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	519 return ngx_http_sub_output(r, ctx);
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	520 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	521
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	522
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	523 static ngx_int_t
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	524 ngx_http_sub_output(ngx_http_request_t r, ngx_http_sub_ctx_t ctx)
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	525 {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	526 ngx_int_t rc;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	527 ngx_buf_t *b;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	528 ngx_chain_t *cl;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	529
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	530 #if 1
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	531 b = NULL;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	532 for (cl = ctx->out; cl; cl = cl->next) {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	533 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	534 "sub out: %p %p", cl->buf, cl->buf->pos);
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	535 if (cl->buf == b) {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	536 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	537 "the same buf was used in sub");
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	538 ngx_debug_point();
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	539 return NGX_ERROR;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	540 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	541 b = cl->buf;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	542 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	543 #endif
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	544
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	545 rc = ngx_http_next_body_filter(r, ctx->out);
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	546
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	547 if (ctx->busy == NULL) {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	548 ctx->busy = ctx->out;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	549
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	550 } else {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	551 for (cl = ctx->busy; cl->next; cl = cl->next) { /* void */ }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	552 cl->next = ctx->out;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	553 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	554
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	555 ctx->out = NULL;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	556 ctx->last_out = &ctx->out;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	557
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	558 while (ctx->busy) {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	559
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	560 cl = ctx->busy;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	561 b = cl->buf;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	562
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	563 if (ngx_buf_size(b) != 0) {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	564 break;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	565 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	566
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	567 if (b->shadow) {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	568 b->shadow->pos = b->shadow->last;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	569 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	570
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	571 ctx->busy = cl->next;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	572
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	573 if (ngx_buf_in_memory(b) \|\| b->in_file) {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	574 /* add data bufs only to the free buf chain */
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	575
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	576 cl->next = ctx->free;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	577 ctx->free = cl;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	578 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	579 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	580
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	581 if (ctx->in \|\| ctx->buf) {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	582 r->buffered \|= NGX_HTTP_SUB_BUFFERED;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	583
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	584 } else {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	585 r->buffered &= ~NGX_HTTP_SUB_BUFFERED;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	586 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	587
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	588 return rc;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	589 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	590
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	591
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	592 static ngx_int_t
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	593 ngx_http_sub_parse(ngx_http_request_t r, ngx_http_sub_ctx_t ctx)
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	594 {
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	595 u_char p, last, pat, pat_end, c;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	596 ngx_str_t *m;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	597 ngx_int_t offset, start, next, end, len, rc;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	598 ngx_uint_t shift, i, j;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	599 ngx_http_sub_match_t *match;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	600 ngx_http_sub_tables_t *tables;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	601 ngx_http_sub_loc_conf_t *slcf;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	602
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	603 slcf = ngx_http_get_module_loc_conf(r, ngx_http_sub_filter_module);
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	604 tables = ctx->tables;
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	605
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	606 offset = ctx->offset;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	607 end = ctx->buf->last - ctx->pos;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	608
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	609 if (ctx->once) {
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	610 /* sets start and next to end */
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	611 offset = end + (ngx_int_t) tables->min_match_len - 1;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	612 goto again;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	613 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	614
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	615 while (offset < end) {
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	616
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	617 c = offset < 0 ? ctx->looked.data[ctx->looked.len + offset]
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	618 : ctx->pos[offset];
5810 5322be87fc02 Sub filter: fixed matching for a single character. Valentin Bartenev <vbart@nginx.com> parents: 5733 diff changeset	619
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	620 c = ngx_tolower(c);
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	621
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	622 shift = tables->shift[c];
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	623 if (shift > 0) {
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	624 offset += shift;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	625 continue;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	626 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	627
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	628 /* a potential match */
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	629
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	630 start = offset - (ngx_int_t) tables->min_match_len + 1;
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	631 match = ctx->matches->elts;
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	632
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	633 i = ngx_max(tables->index[c], ctx->index);
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	634 j = tables->index[c + 1];
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	635
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	636 while (i != j) {
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	637
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	638 if (slcf->once && ctx->sub && ctx->sub[i].data) {
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	639 goto next;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	640 }
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	641
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	642 m = &match[i].match;
1557 9d094e581587 ) add sub_filter parser fix similar to r1261 in SSI parser Igor Sysoev <igor@sysoev.ru>* parents: 1555 diff changeset	643
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	644 pat = m->data;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	645 pat_end = m->data + m->len;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	646
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	647 if (start >= 0) {
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	648 p = ctx->pos + start;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	649
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	650 } else {
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	651 last = ctx->looked.data + ctx->looked.len;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	652 p = last + start;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	653
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	654 while (p < last && pat < pat_end) {
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	655 if (ngx_tolower(p) != pat) {
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	656 goto next;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	657 }
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	658
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	659 p++;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	660 pat++;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	661 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	662
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	663 p = ctx->pos;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	664 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	665
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	666 while (p < ctx->buf->last && pat < pat_end) {
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	667 if (ngx_tolower(p) != pat) {
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	668 goto next;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	669 }
5288 102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	670
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	671 p++;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	672 pat++;
5288 102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	673 }
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	674
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	675 ctx->index = i;
5288 102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	676
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	677 if (pat != pat_end) {
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	678 /* partial match */
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	679 goto again;
5288 102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	680 }
102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	681
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	682 ctx->offset = offset + (ngx_int_t) m->len;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	683 next = start + (ngx_int_t) m->len;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	684 end = ngx_max(next, 0);
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	685 rc = NGX_OK;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	686
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	687 goto done;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	688
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	689 next:
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	690
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	691 i++;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	692 }
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	693
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	694 offset++;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	695 ctx->index = 0;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	696 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	697
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	698 again:
5288 102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	699
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	700 ctx->offset = offset;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	701 start = offset - (ngx_int_t) tables->min_match_len + 1;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	702 next = start;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	703 rc = NGX_AGAIN;
5288 102d7117ffb8 Sub filter: fixed matching after a partial match. Maxim Dounin <mdounin@mdounin.ru> parents: 5287 diff changeset	704
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	705 done:
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	706
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	707 /* send [ - looked.len, start ] to client */
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	708
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	709 ctx->saved.len = ctx->looked.len + ngx_min(start, 0);
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	710 ngx_memcpy(ctx->saved.data, ctx->looked.data, ctx->saved.len);
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	711
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	712 ctx->copy_start = ctx->pos;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	713 ctx->copy_end = ctx->pos + ngx_max(start, 0);
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	714
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	715 /* save [ next, end ] in looked */
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	716
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	717 len = ngx_min(next, 0);
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	718 p = ctx->looked.data;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	719 p = ngx_movemem(p, p + ctx->looked.len + len, - len);
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	720
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	721 len = ngx_max(next, 0);
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	722 p = ngx_cpymem(p, ctx->pos + len, end - len);
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	723 ctx->looked.len = p - ctx->looked.data;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	724
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	725 /* update position */
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	726
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	727 ctx->pos += end;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	728 ctx->offset -= end;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	729
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	730 return rc;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	731 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	732
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	733
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	734 static char *
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	735 ngx_http_sub_filter(ngx_conf_t cf, ngx_command_t cmd, void *conf)
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	736 {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	737 ngx_http_sub_loc_conf_t *slcf = conf;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	738
2588 a6954ce88b80 use complex values in add_header, auth_basic_user_file, Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	739 ngx_str_t *value;
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	740 ngx_http_sub_pair_t *pair;
2588 a6954ce88b80 use complex values in add_header, auth_basic_user_file, Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	741 ngx_http_compile_complex_value_t ccv;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	742
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	743 value = cf->args->elts;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	744
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	745 if (value[1].len == 0) {
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	746 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "empty search pattern");
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	747 return NGX_CONF_ERROR;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	748 }
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	749
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	750 if (slcf->pairs == NULL) {
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	751 slcf->pairs = ngx_array_create(cf->pool, 1,
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	752 sizeof(ngx_http_sub_pair_t));
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	753 if (slcf->pairs == NULL) {
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	754 return NGX_CONF_ERROR;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	755 }
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	756 }
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	757
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	758 if (slcf->pairs->nelts == 255) {
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	759 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	760 "number of search patterns exceeds 255");
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	761 return NGX_CONF_ERROR;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	762 }
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	763
2135 8c6521eedf84 ngx_strlow() Igor Sysoev <igor@sysoev.ru> parents: 2079 diff changeset	764 ngx_strlow(value[1].data, value[1].data, value[1].len);
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	765
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	766 pair = ngx_array_push(slcf->pairs);
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	767 if (pair == NULL) {
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	768 return NGX_CONF_ERROR;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	769 }
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	770
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	771 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	772
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	773 ccv.cf = cf;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	774 ccv.value = &value[1];
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	775 ccv.complex_value = &pair->match;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	776
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	777 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	778 return NGX_CONF_ERROR;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	779 }
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	780
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	781 if (ccv.complex_value->lengths != NULL) {
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	782 slcf->dynamic = 1;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	783
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	784 } else {
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	785 ngx_strlow(pair->match.value.data, pair->match.value.data,
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	786 pair->match.value.len);
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	787 }
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	788
2588 a6954ce88b80 use complex values in add_header, auth_basic_user_file, Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	789 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	790
2588 a6954ce88b80 use complex values in add_header, auth_basic_user_file, Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	791 ccv.cf = cf;
a6954ce88b80 use complex values in add_header, auth_basic_user_file, Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	792 ccv.value = &value[2];
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	793 ccv.complex_value = &pair->value;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	794
2588 a6954ce88b80 use complex values in add_header, auth_basic_user_file, Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	795 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	796 return NGX_CONF_ERROR;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	797 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	798
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	799 return NGX_CONF_OK;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	800 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	801
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	802
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	803 static void *
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	804 ngx_http_sub_create_conf(ngx_conf_t *cf)
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	805 {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	806 ngx_http_sub_loc_conf_t *slcf;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	807
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	808 slcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_sub_loc_conf_t));
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	809 if (slcf == NULL) {
2912 c7d57b539248 return NULL instead of NGX_CONF_ERROR on a create conf failure Igor Sysoev <igor@sysoev.ru> parents: 2588 diff changeset	810 return NULL;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	811 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	812
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	813 /*
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	814 * set by ngx_pcalloc():
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	815 *
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	816 * conf->dynamic = 0;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	817 * conf->pairs = NULL;
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	818 * conf->tables = NULL;
2166 723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2135 diff changeset	819 * conf->types = { NULL };
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2135 diff changeset	820 * conf->types_keys = NULL;
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	821 * conf->matches = NULL;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	822 */
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	823
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	824 slcf->once = NGX_CONF_UNSET;
5229 4c1a604b0285 Sub filter: sub_filter_last_modified directive. Maxim Dounin <mdounin@mdounin.ru> parents: 4947 diff changeset	825 slcf->last_modified = NGX_CONF_UNSET;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	826
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	827 return slcf;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	828 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	829
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	830
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	831 static char *
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	832 ngx_http_sub_merge_conf(ngx_conf_t cf, void parent, void *child)
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	833 {
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	834 ngx_uint_t i, n;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	835 ngx_http_sub_pair_t *pairs;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	836 ngx_http_sub_match_t *matches;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	837 ngx_http_sub_loc_conf_t *prev = parent;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	838 ngx_http_sub_loc_conf_t *conf = child;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	839
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	840 ngx_conf_merge_value(conf->once, prev->once, 1);
5229 4c1a604b0285 Sub filter: sub_filter_last_modified directive. Maxim Dounin <mdounin@mdounin.ru> parents: 4947 diff changeset	841 ngx_conf_merge_value(conf->last_modified, prev->last_modified, 0);
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	842
3372 6b8e5c882e47 support "" in gzip_types, ssi_types, etc Igor Sysoev <igor@sysoev.ru>* parents: 2912 diff changeset	843 if (ngx_http_merge_types(cf, &conf->types_keys, &conf->types,
6b8e5c882e47 support "" in gzip_types, ssi_types, etc Igor Sysoev <igor@sysoev.ru>* parents: 2912 diff changeset	844 &prev->types_keys, &prev->types,
2166 723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2135 diff changeset	845 ngx_http_html_default_types)
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2135 diff changeset	846 != NGX_OK)
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2135 diff changeset	847 {
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2135 diff changeset	848 return NGX_CONF_ERROR;
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	849 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	850
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	851 if (conf->pairs == NULL) {
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	852 conf->dynamic = prev->dynamic;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	853 conf->pairs = prev->pairs;
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	854 conf->matches = prev->matches;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	855 conf->tables = prev->tables;
6247 fbbb1c1ce1eb Sub filter: fixed initialization in http{} level (ticket #791). Roman Arutyunyan <arut@nginx.com> parents: 6229 diff changeset	856 }
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	857
6247 fbbb1c1ce1eb Sub filter: fixed initialization in http{} level (ticket #791). Roman Arutyunyan <arut@nginx.com> parents: 6229 diff changeset	858 if (conf->pairs && conf->dynamic == 0 && conf->tables == NULL) {
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	859 pairs = conf->pairs->elts;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	860 n = conf->pairs->nelts;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	861
6464 088ef087a011 Sub filter: fixed allocation alignment. Roman Arutyunyan <arut@nginx.com> parents: 6247 diff changeset	862 matches = ngx_palloc(cf->pool, sizeof(ngx_http_sub_match_t) * n);
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	863 if (matches == NULL) {
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	864 return NGX_CONF_ERROR;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	865 }
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	866
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	867 for (i = 0; i < n; i++) {
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	868 matches[i].match = pairs[i].match.value;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	869 matches[i].value = &pairs[i].value;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	870 }
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	871
6464 088ef087a011 Sub filter: fixed allocation alignment. Roman Arutyunyan <arut@nginx.com> parents: 6247 diff changeset	872 conf->matches = ngx_palloc(cf->pool, sizeof(ngx_array_t));
6229 2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	873 if (conf->matches == NULL) {
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	874 return NGX_CONF_ERROR;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	875 }
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	876
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	877 conf->matches->elts = matches;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	878 conf->matches->nelts = n;
2c045e5b8291 Sub filter: support of variables in the strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 6228 diff changeset	879
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	880 conf->tables = ngx_palloc(cf->pool, sizeof(ngx_http_sub_tables_t));
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	881 if (conf->tables == NULL) {
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	882 return NGX_CONF_ERROR;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	883 }
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	884
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	885 ngx_http_sub_init_tables(conf->tables, conf->matches->elts,
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	886 conf->matches->nelts);
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	887 }
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	888
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	889 return NGX_CONF_OK;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	890 }
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	891
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	892
6228 b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	893 static void
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	894 ngx_http_sub_init_tables(ngx_http_sub_tables_t *tables,
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	895 ngx_http_sub_match_t *match, ngx_uint_t n)
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	896 {
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	897 u_char c;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	898 ngx_uint_t i, j, min, max, ch;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	899
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	900 min = match[0].match.len;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	901 max = match[0].match.len;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	902
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	903 for (i = 1; i < n; i++) {
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	904 min = ngx_min(min, match[i].match.len);
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	905 max = ngx_max(max, match[i].match.len);
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	906 }
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	907
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	908 tables->min_match_len = min;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	909 tables->max_match_len = max;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	910
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	911 ngx_http_sub_cmp_index = tables->min_match_len - 1;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	912 ngx_sort(match, n, sizeof(ngx_http_sub_match_t), ngx_http_sub_cmp_matches);
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	913
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	914 min = ngx_min(min, 255);
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	915 ngx_memset(tables->shift, min, 256);
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	916
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	917 ch = 0;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	918
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	919 for (i = 0; i < n; i++) {
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	920
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	921 for (j = 0; j < min; j++) {
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	922 c = match[i].match.data[tables->min_match_len - 1 - j];
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	923 tables->shift[c] = ngx_min(tables->shift[c], (u_char) j);
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	924 }
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	925
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	926 c = match[i].match.data[tables->min_match_len - 1];
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	927 while (ch <= c) {
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	928 tables->index[ch++] = (u_char) i;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	929 }
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	930 }
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	931
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	932 while (ch < 257) {
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	933 tables->index[ch++] = (u_char) n;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	934 }
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	935 }
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	936
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	937
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	938 static ngx_int_t
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	939 ngx_http_sub_cmp_matches(const void one, const void two)
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	940 {
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	941 ngx_int_t c1, c2;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	942 ngx_http_sub_match_t first, second;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	943
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	944 first = (ngx_http_sub_match_t *) one;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	945 second = (ngx_http_sub_match_t *) two;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	946
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	947 c1 = first->match.data[ngx_http_sub_cmp_index];
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	948 c2 = second->match.data[ngx_http_sub_cmp_index];
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	949
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	950 return c1 - c2;
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	951 }
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	952
b9447fc457b4 Sub filter: support of multiple strings to replace. Dmitry Volyntsev <xeioex@nginx.com> parents: 5810 diff changeset	953
1172 383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	954 static ngx_int_t
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	955 ngx_http_sub_filter_init(ngx_conf_t *cf)
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	956 {
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	957 ngx_http_next_header_filter = ngx_http_top_header_filter;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	958 ngx_http_top_header_filter = ngx_http_sub_header_filter;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	959
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	960 ngx_http_next_body_filter = ngx_http_top_body_filter;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	961 ngx_http_top_body_filter = ngx_http_sub_body_filter;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	962
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	963 return NGX_OK;
383ae25c3171 ngx_http_sub_filter_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	964 }

Mercurial > hg > nginx

annotate src/http/modules/ngx_http_sub_filter_module.c @ 6464:088ef087a011