Mercurial > hg > nginx-quic
view src/mysql/ngx_mysql.h @ 4162:fb1375e8b68c stable-1.0
Merging r4036, r4055, r4056, r4057, r4058, r4059, r4060, r4061, r4062, r4063,
r4064:
Ranges related fixes:
The "max_ranges" directive.
"max_ranges 0" disables ranges support at all,
"max_ranges 1" allows the single range, etc.
By default number of ranges is unlimited, to be precise, 2^31-1.
If client requests more ranges than "max_ranges" permits,
nginx disables ranges and returns just the source response.
If total size of all ranges is greater than source response size,
then nginx disables ranges and returns just the source response.
This fix should not affect well-behaving applications but will defeat
DoS attempts exploiting malicious byte ranges.
Now unsatisfiable ranges are processed according to RFC 2616.
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Fri, 30 Sep 2011 14:06:08 +0000 |
parents | 7cbef16c71a1 |
children | d620f497c50f |
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/* * Copyright (C) Igor Sysoev */ #ifndef _NGX_MYSQL_H_INCLUDED_ #define _NGX_MYSQL_H_INCLUDED_ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_event.h> #include <ngx_event_connect.h> typedef struct ngx_mysql_s ngx_mysql_t; typedef void (*ngx_mysql_handler_pt)(ngx_mysql_t *m); struct ngx_mysql_s { ngx_peer_connection_t peer; ngx_buf_t *buf; ngx_pool_t *pool; ngx_str_t *login; ngx_str_t *passwd; ngx_str_t *database; ngx_str_t query; ngx_uint_t pktn; ngx_mysql_handler_pt handler; void *data; ngx_int_t state; }; #define NGX_MYSQL_CMDPKT_LEN 5 #if (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED && 0) #define ngx_m16toh(n) (*(uint32_t *) n & 0x0000ffff) #define ngx_m24toh(n) (*(uint32_t *) n & 0x00ffffff) #define ngx_m32toh(n) *(uint32_t *) n #define ngx_htom16(n, m) *(uint16_t *) n = (uint16_t) ((m) & 0xffff) #define ngx_htom24(n, m) (n)[0] = (u_char) ((m) & 0xff); \ (n)[1] = (u_char) (((m) >> 8) & 0xff); \ (n)[2] = (u_char) (((m) >> 16) & 0xff) #define ngx_htom32(n, m) *(uint32_t *) (n) = (m) #else #define ngx_m16toh(n) (n[0] | n[1] << 8) #define ngx_m24toh(n) (n[0] | n[1] << 8 | n[2] << 16) #define ngx_m32toh(n) (n[0] | n[1] << 8 | n[2] << 16 | n[3] << 24) #define ngx_htom16(n, m) (n)[0] = (u_char) (m); (n)[1] = (u_char) ((m) >> 8) #define ngx_htom24(n, m) (n)[0] = (u_char) ((m) & 0xff); \ (n)[1] = (u_char) (((m) >> 8) & 0xff); \ (n)[2] = (u_char) (((m) >> 16) & 0xff) #define ngx_htom32(n, m) (n)[0] = (u_char) ((m) & 0xff); \ (n)[1] = (u_char) (((m) >> 8) & 0xff); \ (n)[2] = (u_char) (((m) >> 16) & 0xff); \ (n)[3] = (u_char) (((m) >> 24) & 0xff) #endif ngx_int_t ngx_mysql_connect(ngx_mysql_t *m); ngx_int_t ngx_mysql_query(ngx_mysql_t *m); #endif /* _NGX_MYSQL_H_INCLUDED_ */