Mercurial > hg > nginx
annotate src/stream/ngx_stream_script.c @ 7833:3ab8e1e2f0f7
Upstream: variables support in certificates.
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Thu, 06 May 2021 02:22:09 +0300 |
| parents | bdd4d89370a7 |
| children |
| rev | line source |
|---|---|
| 6607 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4 * Copyright (C) Nginx, Inc. | |
| 5 */ | |
| 6 | |
| 7 | |
| 8 #include <ngx_config.h> | |
| 9 #include <ngx_core.h> | |
| 10 #include <ngx_stream.h> | |
| 11 | |
| 12 | |
| 13 static ngx_int_t ngx_stream_script_init_arrays( | |
| 14 ngx_stream_script_compile_t *sc); | |
| 15 static ngx_int_t ngx_stream_script_done(ngx_stream_script_compile_t *sc); | |
| 16 static ngx_int_t ngx_stream_script_add_copy_code( | |
| 17 ngx_stream_script_compile_t *sc, ngx_str_t *value, ngx_uint_t last); | |
| 18 static ngx_int_t ngx_stream_script_add_var_code( | |
| 19 ngx_stream_script_compile_t *sc, ngx_str_t *name); | |
| 20 #if (NGX_PCRE) | |
| 21 static ngx_int_t ngx_stream_script_add_capture_code( | |
| 22 ngx_stream_script_compile_t *sc, ngx_uint_t n); | |
| 23 #endif | |
| 24 static ngx_int_t ngx_stream_script_add_full_name_code( | |
| 25 ngx_stream_script_compile_t *sc); | |
| 26 static size_t ngx_stream_script_full_name_len_code( | |
| 27 ngx_stream_script_engine_t *e); | |
| 28 static void ngx_stream_script_full_name_code(ngx_stream_script_engine_t *e); | |
| 29 | |
| 30 | |
| 31 #define ngx_stream_script_exit (u_char *) &ngx_stream_script_exit_code | |
| 32 | |
| 33 static uintptr_t ngx_stream_script_exit_code = (uintptr_t) NULL; | |
| 34 | |
| 35 | |
| 36 void | |
| 37 ngx_stream_script_flush_complex_value(ngx_stream_session_t *s, | |
| 38 ngx_stream_complex_value_t *val) | |
| 39 { | |
| 40 ngx_uint_t *index; | |
| 41 | |
| 42 index = val->flushes; | |
| 43 | |
| 44 if (index) { | |
| 45 while (*index != (ngx_uint_t) -1) { | |
| 46 | |
| 47 if (s->variables[*index].no_cacheable) { | |
| 48 s->variables[*index].valid = 0; | |
| 49 s->variables[*index].not_found = 0; | |
| 50 } | |
| 51 | |
| 52 index++; | |
| 53 } | |
| 54 } | |
| 55 } | |
| 56 | |
| 57 | |
| 58 ngx_int_t | |
| 59 ngx_stream_complex_value(ngx_stream_session_t *s, | |
| 60 ngx_stream_complex_value_t *val, ngx_str_t *value) | |
| 61 { | |
| 62 size_t len; | |
| 63 ngx_stream_script_code_pt code; | |
| 64 ngx_stream_script_engine_t e; | |
| 65 ngx_stream_script_len_code_pt lcode; | |
| 66 | |
| 67 if (val->lengths == NULL) { | |
| 68 *value = val->value; | |
| 69 return NGX_OK; | |
| 70 } | |
| 71 | |
| 72 ngx_stream_script_flush_complex_value(s, val); | |
| 73 | |
| 74 ngx_memzero(&e, sizeof(ngx_stream_script_engine_t)); | |
| 75 | |
| 76 e.ip = val->lengths; | |
| 77 e.session = s; | |
| 78 e.flushed = 1; | |
| 79 | |
| 80 len = 0; | |
| 81 | |
| 82 while (*(uintptr_t *) e.ip) { | |
| 83 lcode = *(ngx_stream_script_len_code_pt *) e.ip; | |
| 84 len += lcode(&e); | |
| 85 } | |
| 86 | |
| 87 value->len = len; | |
| 88 value->data = ngx_pnalloc(s->connection->pool, len); | |
| 89 if (value->data == NULL) { | |
| 90 return NGX_ERROR; | |
| 91 } | |
| 92 | |
| 93 e.ip = val->values; | |
| 94 e.pos = value->data; | |
| 95 e.buf = *value; | |
| 96 | |
| 97 while (*(uintptr_t *) e.ip) { | |
| 98 code = *(ngx_stream_script_code_pt *) e.ip; | |
| 99 code((ngx_stream_script_engine_t *) &e); | |
| 100 } | |
| 101 | |
| 102 *value = e.buf; | |
| 103 | |
| 104 return NGX_OK; | |
| 105 } | |
| 106 | |
| 107 | |
|
7503
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
108 size_t |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
109 ngx_stream_complex_value_size(ngx_stream_session_t *s, |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
110 ngx_stream_complex_value_t *val, size_t default_value) |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
111 { |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
112 size_t size; |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
113 ngx_str_t value; |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
114 |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
115 if (val == NULL) { |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
116 return default_value; |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
117 } |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
118 |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
119 if (val->lengths == NULL) { |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
120 return val->u.size; |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
121 } |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
122 |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
123 if (ngx_stream_complex_value(s, val, &value) != NGX_OK) { |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
124 return default_value; |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
125 } |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
126 |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
127 size = ngx_parse_size(&value); |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
128 |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
129 if (size == (size_t) NGX_ERROR) { |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
130 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
131 "invalid size \"%V\"", &value); |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
132 return default_value; |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
133 } |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
134 |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
135 return size; |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
136 } |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
137 |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
138 |
| 6607 | 139 ngx_int_t |
| 140 ngx_stream_compile_complex_value(ngx_stream_compile_complex_value_t *ccv) | |
| 141 { | |
| 142 ngx_str_t *v; | |
| 143 ngx_uint_t i, n, nv, nc; | |
| 144 ngx_array_t flushes, lengths, values, *pf, *pl, *pv; | |
| 145 ngx_stream_script_compile_t sc; | |
| 146 | |
| 147 v = ccv->value; | |
| 148 | |
| 149 nv = 0; | |
| 150 nc = 0; | |
| 151 | |
| 152 for (i = 0; i < v->len; i++) { | |
| 153 if (v->data[i] == '$') { | |
| 154 if (v->data[i + 1] >= '1' && v->data[i + 1] <= '9') { | |
| 155 nc++; | |
| 156 | |
| 157 } else { | |
| 158 nv++; | |
| 159 } | |
| 160 } | |
| 161 } | |
| 162 | |
| 163 if ((v->len == 0 || v->data[0] != '$') | |
| 164 && (ccv->conf_prefix || ccv->root_prefix)) | |
| 165 { | |
| 166 if (ngx_conf_full_name(ccv->cf->cycle, v, ccv->conf_prefix) != NGX_OK) { | |
| 167 return NGX_ERROR; | |
| 168 } | |
| 169 | |
| 170 ccv->conf_prefix = 0; | |
| 171 ccv->root_prefix = 0; | |
| 172 } | |
| 173 | |
| 174 ccv->complex_value->value = *v; | |
| 175 ccv->complex_value->flushes = NULL; | |
| 176 ccv->complex_value->lengths = NULL; | |
| 177 ccv->complex_value->values = NULL; | |
| 178 | |
| 179 if (nv == 0 && nc == 0) { | |
| 180 return NGX_OK; | |
| 181 } | |
| 182 | |
| 183 n = nv + 1; | |
| 184 | |
| 185 if (ngx_array_init(&flushes, ccv->cf->pool, n, sizeof(ngx_uint_t)) | |
| 186 != NGX_OK) | |
| 187 { | |
| 188 return NGX_ERROR; | |
| 189 } | |
| 190 | |
| 191 n = nv * (2 * sizeof(ngx_stream_script_copy_code_t) | |
| 192 + sizeof(ngx_stream_script_var_code_t)) | |
| 193 + sizeof(uintptr_t); | |
| 194 | |
| 195 if (ngx_array_init(&lengths, ccv->cf->pool, n, 1) != NGX_OK) { | |
| 196 return NGX_ERROR; | |
| 197 } | |
| 198 | |
| 199 n = (nv * (2 * sizeof(ngx_stream_script_copy_code_t) | |
| 200 + sizeof(ngx_stream_script_var_code_t)) | |
| 201 + sizeof(uintptr_t) | |
| 202 + v->len | |
| 203 + sizeof(uintptr_t) - 1) | |
| 204 & ~(sizeof(uintptr_t) - 1); | |
| 205 | |
| 206 if (ngx_array_init(&values, ccv->cf->pool, n, 1) != NGX_OK) { | |
| 207 return NGX_ERROR; | |
| 208 } | |
| 209 | |
| 210 pf = &flushes; | |
| 211 pl = &lengths; | |
| 212 pv = &values; | |
| 213 | |
| 214 ngx_memzero(&sc, sizeof(ngx_stream_script_compile_t)); | |
| 215 | |
| 216 sc.cf = ccv->cf; | |
| 217 sc.source = v; | |
| 218 sc.flushes = &pf; | |
| 219 sc.lengths = &pl; | |
| 220 sc.values = &pv; | |
| 221 sc.complete_lengths = 1; | |
| 222 sc.complete_values = 1; | |
| 223 sc.zero = ccv->zero; | |
| 224 sc.conf_prefix = ccv->conf_prefix; | |
| 225 sc.root_prefix = ccv->root_prefix; | |
| 226 | |
| 227 if (ngx_stream_script_compile(&sc) != NGX_OK) { | |
| 228 return NGX_ERROR; | |
| 229 } | |
| 230 | |
| 231 if (flushes.nelts) { | |
| 232 ccv->complex_value->flushes = flushes.elts; | |
| 233 ccv->complex_value->flushes[flushes.nelts] = (ngx_uint_t) -1; | |
| 234 } | |
| 235 | |
| 236 ccv->complex_value->lengths = lengths.elts; | |
| 237 ccv->complex_value->values = values.elts; | |
| 238 | |
| 239 return NGX_OK; | |
| 240 } | |
| 241 | |
| 242 | |
| 243 char * | |
| 244 ngx_stream_set_complex_value_slot(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 245 void *conf) | |
| 246 { | |
| 247 char *p = conf; | |
| 248 | |
| 249 ngx_str_t *value; | |
| 250 ngx_stream_complex_value_t **cv; | |
| 251 ngx_stream_compile_complex_value_t ccv; | |
| 252 | |
| 253 cv = (ngx_stream_complex_value_t **) (p + cmd->offset); | |
| 254 | |
|
7831
bdd4d89370a7
Changed complex value slots to use NGX_CONF_UNSET_PTR.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7503
diff
changeset
|
255 if (*cv != NGX_CONF_UNSET_PTR && *cv != NULL) { |
|
6940
39ff6939266e
Unified error messages about duplicate directives.
Ruslan Ermilov <ru@nginx.com>
parents:
6678
diff
changeset
|
256 return "is duplicate"; |
| 6607 | 257 } |
| 258 | |
| 259 *cv = ngx_palloc(cf->pool, sizeof(ngx_stream_complex_value_t)); | |
| 260 if (*cv == NULL) { | |
| 261 return NGX_CONF_ERROR; | |
| 262 } | |
| 263 | |
| 264 value = cf->args->elts; | |
| 265 | |
| 266 ngx_memzero(&ccv, sizeof(ngx_stream_compile_complex_value_t)); | |
| 267 | |
| 268 ccv.cf = cf; | |
| 269 ccv.value = &value[1]; | |
| 270 ccv.complex_value = *cv; | |
| 271 | |
| 272 if (ngx_stream_compile_complex_value(&ccv) != NGX_OK) { | |
| 273 return NGX_CONF_ERROR; | |
| 274 } | |
| 275 | |
| 276 return NGX_CONF_OK; | |
| 277 } | |
| 278 | |
| 279 | |
|
7503
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
280 char * |
|
7833
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
281 ngx_stream_set_complex_value_zero_slot(ngx_conf_t *cf, ngx_command_t *cmd, |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
282 void *conf) |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
283 { |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
284 char *p = conf; |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
285 |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
286 ngx_str_t *value; |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
287 ngx_stream_complex_value_t **cv; |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
288 ngx_stream_compile_complex_value_t ccv; |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
289 |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
290 cv = (ngx_stream_complex_value_t **) (p + cmd->offset); |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
291 |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
292 if (*cv != NGX_CONF_UNSET_PTR) { |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
293 return "is duplicate"; |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
294 } |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
295 |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
296 *cv = ngx_palloc(cf->pool, sizeof(ngx_stream_complex_value_t)); |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
297 if (*cv == NULL) { |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
298 return NGX_CONF_ERROR; |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
299 } |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
300 |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
301 value = cf->args->elts; |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
302 |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
303 ngx_memzero(&ccv, sizeof(ngx_stream_compile_complex_value_t)); |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
304 |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
305 ccv.cf = cf; |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
306 ccv.value = &value[1]; |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
307 ccv.complex_value = *cv; |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
308 ccv.zero = 1; |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
309 |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
310 if (ngx_stream_compile_complex_value(&ccv) != NGX_OK) { |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
311 return NGX_CONF_ERROR; |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
312 } |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
313 |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
314 return NGX_CONF_OK; |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
315 } |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
316 |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
317 |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
318 char * |
|
7503
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
319 ngx_stream_set_complex_value_size_slot(ngx_conf_t *cf, ngx_command_t *cmd, |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
320 void *conf) |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
321 { |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
322 char *p = conf; |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
323 |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
324 char *rv; |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
325 ngx_stream_complex_value_t *cv; |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
326 |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
327 rv = ngx_stream_set_complex_value_slot(cf, cmd, conf); |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
328 |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
329 if (rv != NGX_CONF_OK) { |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
330 return rv; |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
331 } |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
332 |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
333 cv = *(ngx_stream_complex_value_t **) (p + cmd->offset); |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
334 |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
335 if (cv->lengths) { |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
336 return NGX_CONF_OK; |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
337 } |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
338 |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
339 cv->u.size = ngx_parse_size(&cv->value); |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
340 if (cv->u.size == (size_t) NGX_ERROR) { |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
341 return "invalid value"; |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
342 } |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
343 |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
344 return NGX_CONF_OK; |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
345 } |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
346 |
|
b82162b8496a
Added ngx_http_set_complex_value_size_slot().
Ruslan Ermilov <ru@nginx.com>
parents:
7271
diff
changeset
|
347 |
| 6607 | 348 ngx_uint_t |
| 349 ngx_stream_script_variables_count(ngx_str_t *value) | |
| 350 { | |
| 351 ngx_uint_t i, n; | |
| 352 | |
| 353 for (n = 0, i = 0; i < value->len; i++) { | |
| 354 if (value->data[i] == '$') { | |
| 355 n++; | |
| 356 } | |
| 357 } | |
| 358 | |
| 359 return n; | |
| 360 } | |
| 361 | |
| 362 | |
| 363 ngx_int_t | |
| 364 ngx_stream_script_compile(ngx_stream_script_compile_t *sc) | |
| 365 { | |
| 366 u_char ch; | |
| 367 ngx_str_t name; | |
| 368 ngx_uint_t i, bracket; | |
| 369 | |
| 370 if (ngx_stream_script_init_arrays(sc) != NGX_OK) { | |
| 371 return NGX_ERROR; | |
| 372 } | |
| 373 | |
| 374 for (i = 0; i < sc->source->len; /* void */ ) { | |
| 375 | |
| 376 name.len = 0; | |
| 377 | |
| 378 if (sc->source->data[i] == '$') { | |
| 379 | |
| 380 if (++i == sc->source->len) { | |
| 381 goto invalid_variable; | |
| 382 } | |
| 383 | |
|
6644
af642539cd53
Fixed regex captures handling without PCRE.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
384 if (sc->source->data[i] >= '1' && sc->source->data[i] <= '9') { |
| 6607 | 385 #if (NGX_PCRE) |
|
6644
af642539cd53
Fixed regex captures handling without PCRE.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
386 ngx_uint_t n; |
| 6607 | 387 |
| 388 n = sc->source->data[i] - '0'; | |
| 389 | |
| 390 if (ngx_stream_script_add_capture_code(sc, n) != NGX_OK) { | |
| 391 return NGX_ERROR; | |
| 392 } | |
| 393 | |
| 394 i++; | |
| 395 | |
| 396 continue; | |
|
6644
af642539cd53
Fixed regex captures handling without PCRE.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
397 #else |
|
af642539cd53
Fixed regex captures handling without PCRE.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
398 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, |
|
af642539cd53
Fixed regex captures handling without PCRE.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
399 "using variable \"$%c\" requires " |
|
af642539cd53
Fixed regex captures handling without PCRE.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
400 "PCRE library", sc->source->data[i]); |
|
af642539cd53
Fixed regex captures handling without PCRE.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
401 return NGX_ERROR; |
|
af642539cd53
Fixed regex captures handling without PCRE.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
402 #endif |
| 6607 | 403 } |
| 404 | |
| 405 if (sc->source->data[i] == '{') { | |
| 406 bracket = 1; | |
| 407 | |
| 408 if (++i == sc->source->len) { | |
| 409 goto invalid_variable; | |
| 410 } | |
| 411 | |
| 412 name.data = &sc->source->data[i]; | |
| 413 | |
| 414 } else { | |
| 415 bracket = 0; | |
| 416 name.data = &sc->source->data[i]; | |
| 417 } | |
| 418 | |
| 419 for ( /* void */ ; i < sc->source->len; i++, name.len++) { | |
| 420 ch = sc->source->data[i]; | |
| 421 | |
| 422 if (ch == '}' && bracket) { | |
| 423 i++; | |
| 424 bracket = 0; | |
| 425 break; | |
| 426 } | |
| 427 | |
| 428 if ((ch >= 'A' && ch <= 'Z') | |
| 429 || (ch >= 'a' && ch <= 'z') | |
| 430 || (ch >= '0' && ch <= '9') | |
| 431 || ch == '_') | |
| 432 { | |
| 433 continue; | |
| 434 } | |
| 435 | |
| 436 break; | |
| 437 } | |
| 438 | |
| 439 if (bracket) { | |
| 440 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, | |
| 441 "the closing bracket in \"%V\" " | |
| 442 "variable is missing", &name); | |
| 443 return NGX_ERROR; | |
| 444 } | |
| 445 | |
| 446 if (name.len == 0) { | |
| 447 goto invalid_variable; | |
| 448 } | |
| 449 | |
| 450 sc->variables++; | |
| 451 | |
| 452 if (ngx_stream_script_add_var_code(sc, &name) != NGX_OK) { | |
| 453 return NGX_ERROR; | |
| 454 } | |
| 455 | |
| 456 continue; | |
| 457 } | |
| 458 | |
| 459 name.data = &sc->source->data[i]; | |
| 460 | |
| 461 while (i < sc->source->len) { | |
| 462 | |
| 463 if (sc->source->data[i] == '$') { | |
| 464 break; | |
| 465 } | |
| 466 | |
| 467 i++; | |
| 468 name.len++; | |
| 469 } | |
| 470 | |
| 471 sc->size += name.len; | |
| 472 | |
| 473 if (ngx_stream_script_add_copy_code(sc, &name, (i == sc->source->len)) | |
| 474 != NGX_OK) | |
| 475 { | |
| 476 return NGX_ERROR; | |
| 477 } | |
| 478 } | |
| 479 | |
| 480 return ngx_stream_script_done(sc); | |
| 481 | |
| 482 invalid_variable: | |
| 483 | |
| 484 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, "invalid variable name"); | |
| 485 | |
| 486 return NGX_ERROR; | |
| 487 } | |
| 488 | |
| 489 | |
| 6678 | 490 u_char * |
| 491 ngx_stream_script_run(ngx_stream_session_t *s, ngx_str_t *value, | |
| 492 void *code_lengths, size_t len, void *code_values) | |
| 493 { | |
| 494 ngx_uint_t i; | |
| 495 ngx_stream_script_code_pt code; | |
| 496 ngx_stream_script_engine_t e; | |
| 497 ngx_stream_core_main_conf_t *cmcf; | |
| 498 ngx_stream_script_len_code_pt lcode; | |
| 499 | |
| 500 cmcf = ngx_stream_get_module_main_conf(s, ngx_stream_core_module); | |
| 501 | |
| 502 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 503 if (s->variables[i].no_cacheable) { | |
| 504 s->variables[i].valid = 0; | |
| 505 s->variables[i].not_found = 0; | |
| 506 } | |
| 507 } | |
| 508 | |
| 509 ngx_memzero(&e, sizeof(ngx_stream_script_engine_t)); | |
| 510 | |
| 511 e.ip = code_lengths; | |
| 512 e.session = s; | |
| 513 e.flushed = 1; | |
| 514 | |
| 515 while (*(uintptr_t *) e.ip) { | |
| 516 lcode = *(ngx_stream_script_len_code_pt *) e.ip; | |
| 517 len += lcode(&e); | |
| 518 } | |
| 519 | |
| 520 | |
| 521 value->len = len; | |
| 522 value->data = ngx_pnalloc(s->connection->pool, len); | |
| 523 if (value->data == NULL) { | |
| 524 return NULL; | |
| 525 } | |
| 526 | |
| 527 e.ip = code_values; | |
| 528 e.pos = value->data; | |
| 529 | |
| 530 while (*(uintptr_t *) e.ip) { | |
| 531 code = *(ngx_stream_script_code_pt *) e.ip; | |
| 532 code((ngx_stream_script_engine_t *) &e); | |
| 533 } | |
| 534 | |
| 535 return e.pos; | |
| 536 } | |
| 537 | |
| 538 | |
| 539 void | |
| 540 ngx_stream_script_flush_no_cacheable_variables(ngx_stream_session_t *s, | |
| 541 ngx_array_t *indices) | |
| 542 { | |
| 543 ngx_uint_t n, *index; | |
| 544 | |
| 545 if (indices) { | |
| 546 index = indices->elts; | |
| 547 for (n = 0; n < indices->nelts; n++) { | |
| 548 if (s->variables[index[n]].no_cacheable) { | |
| 549 s->variables[index[n]].valid = 0; | |
| 550 s->variables[index[n]].not_found = 0; | |
| 551 } | |
| 552 } | |
| 553 } | |
| 554 } | |
| 555 | |
| 556 | |
| 6607 | 557 static ngx_int_t |
| 558 ngx_stream_script_init_arrays(ngx_stream_script_compile_t *sc) | |
| 559 { | |
| 560 ngx_uint_t n; | |
| 561 | |
| 562 if (sc->flushes && *sc->flushes == NULL) { | |
| 563 n = sc->variables ? sc->variables : 1; | |
| 564 *sc->flushes = ngx_array_create(sc->cf->pool, n, sizeof(ngx_uint_t)); | |
| 565 if (*sc->flushes == NULL) { | |
| 566 return NGX_ERROR; | |
| 567 } | |
| 568 } | |
| 569 | |
| 570 if (*sc->lengths == NULL) { | |
| 571 n = sc->variables * (2 * sizeof(ngx_stream_script_copy_code_t) | |
| 572 + sizeof(ngx_stream_script_var_code_t)) | |
| 573 + sizeof(uintptr_t); | |
| 574 | |
| 575 *sc->lengths = ngx_array_create(sc->cf->pool, n, 1); | |
| 576 if (*sc->lengths == NULL) { | |
| 577 return NGX_ERROR; | |
| 578 } | |
| 579 } | |
| 580 | |
| 581 if (*sc->values == NULL) { | |
| 582 n = (sc->variables * (2 * sizeof(ngx_stream_script_copy_code_t) | |
| 583 + sizeof(ngx_stream_script_var_code_t)) | |
| 584 + sizeof(uintptr_t) | |
| 585 + sc->source->len | |
| 586 + sizeof(uintptr_t) - 1) | |
| 587 & ~(sizeof(uintptr_t) - 1); | |
| 588 | |
| 589 *sc->values = ngx_array_create(sc->cf->pool, n, 1); | |
| 590 if (*sc->values == NULL) { | |
| 591 return NGX_ERROR; | |
| 592 } | |
| 593 } | |
| 594 | |
| 595 sc->variables = 0; | |
| 596 | |
| 597 return NGX_OK; | |
| 598 } | |
| 599 | |
| 600 | |
| 601 static ngx_int_t | |
| 602 ngx_stream_script_done(ngx_stream_script_compile_t *sc) | |
| 603 { | |
| 604 ngx_str_t zero; | |
| 605 uintptr_t *code; | |
| 606 | |
| 607 if (sc->zero) { | |
| 608 | |
| 609 zero.len = 1; | |
| 610 zero.data = (u_char *) "\0"; | |
| 611 | |
| 612 if (ngx_stream_script_add_copy_code(sc, &zero, 0) != NGX_OK) { | |
| 613 return NGX_ERROR; | |
| 614 } | |
| 615 } | |
| 616 | |
| 617 if (sc->conf_prefix || sc->root_prefix) { | |
| 618 if (ngx_stream_script_add_full_name_code(sc) != NGX_OK) { | |
| 619 return NGX_ERROR; | |
| 620 } | |
| 621 } | |
| 622 | |
| 623 if (sc->complete_lengths) { | |
| 624 code = ngx_stream_script_add_code(*sc->lengths, sizeof(uintptr_t), | |
| 625 NULL); | |
| 626 if (code == NULL) { | |
| 627 return NGX_ERROR; | |
| 628 } | |
| 629 | |
| 630 *code = (uintptr_t) NULL; | |
| 631 } | |
| 632 | |
| 633 if (sc->complete_values) { | |
| 634 code = ngx_stream_script_add_code(*sc->values, sizeof(uintptr_t), | |
| 635 &sc->main); | |
| 636 if (code == NULL) { | |
| 637 return NGX_ERROR; | |
| 638 } | |
| 639 | |
| 640 *code = (uintptr_t) NULL; | |
| 641 } | |
| 642 | |
| 643 return NGX_OK; | |
| 644 } | |
| 645 | |
| 646 | |
| 647 void * | |
| 648 ngx_stream_script_add_code(ngx_array_t *codes, size_t size, void *code) | |
| 649 { | |
| 650 u_char *elts, **p; | |
| 651 void *new; | |
| 652 | |
| 653 elts = codes->elts; | |
| 654 | |
| 655 new = ngx_array_push_n(codes, size); | |
| 656 if (new == NULL) { | |
| 657 return NULL; | |
| 658 } | |
| 659 | |
| 660 if (code) { | |
| 661 if (elts != codes->elts) { | |
| 662 p = code; | |
| 663 *p += (u_char *) codes->elts - elts; | |
| 664 } | |
| 665 } | |
| 666 | |
| 667 return new; | |
| 668 } | |
| 669 | |
| 670 | |
| 671 static ngx_int_t | |
| 672 ngx_stream_script_add_copy_code(ngx_stream_script_compile_t *sc, | |
| 673 ngx_str_t *value, ngx_uint_t last) | |
| 674 { | |
| 675 u_char *p; | |
| 676 size_t size, len, zero; | |
| 677 ngx_stream_script_copy_code_t *code; | |
| 678 | |
| 679 zero = (sc->zero && last); | |
| 680 len = value->len + zero; | |
| 681 | |
| 682 code = ngx_stream_script_add_code(*sc->lengths, | |
| 683 sizeof(ngx_stream_script_copy_code_t), | |
| 684 NULL); | |
| 685 if (code == NULL) { | |
| 686 return NGX_ERROR; | |
| 687 } | |
| 688 | |
|
7271
9e25a5380a21
Silenced -Wcast-function-type warnings (closes #1546).
Sergey Kandaurov <pluknet@nginx.com>
parents:
6940
diff
changeset
|
689 code->code = (ngx_stream_script_code_pt) (void *) |
|
9e25a5380a21
Silenced -Wcast-function-type warnings (closes #1546).
Sergey Kandaurov <pluknet@nginx.com>
parents:
6940
diff
changeset
|
690 ngx_stream_script_copy_len_code; |
| 6607 | 691 code->len = len; |
| 692 | |
| 693 size = (sizeof(ngx_stream_script_copy_code_t) + len + sizeof(uintptr_t) - 1) | |
| 694 & ~(sizeof(uintptr_t) - 1); | |
| 695 | |
| 696 code = ngx_stream_script_add_code(*sc->values, size, &sc->main); | |
| 697 if (code == NULL) { | |
| 698 return NGX_ERROR; | |
| 699 } | |
| 700 | |
| 701 code->code = ngx_stream_script_copy_code; | |
| 702 code->len = len; | |
| 703 | |
| 704 p = ngx_cpymem((u_char *) code + sizeof(ngx_stream_script_copy_code_t), | |
| 705 value->data, value->len); | |
| 706 | |
| 707 if (zero) { | |
| 708 *p = '\0'; | |
| 709 sc->zero = 0; | |
| 710 } | |
| 711 | |
| 712 return NGX_OK; | |
| 713 } | |
| 714 | |
| 715 | |
| 716 size_t | |
| 717 ngx_stream_script_copy_len_code(ngx_stream_script_engine_t *e) | |
| 718 { | |
| 719 ngx_stream_script_copy_code_t *code; | |
| 720 | |
| 721 code = (ngx_stream_script_copy_code_t *) e->ip; | |
| 722 | |
| 723 e->ip += sizeof(ngx_stream_script_copy_code_t); | |
| 724 | |
| 725 return code->len; | |
| 726 } | |
| 727 | |
| 728 | |
| 729 void | |
| 730 ngx_stream_script_copy_code(ngx_stream_script_engine_t *e) | |
| 731 { | |
| 732 u_char *p; | |
| 733 ngx_stream_script_copy_code_t *code; | |
| 734 | |
| 735 code = (ngx_stream_script_copy_code_t *) e->ip; | |
| 736 | |
| 737 p = e->pos; | |
| 738 | |
| 739 if (!e->skip) { | |
| 740 e->pos = ngx_copy(p, e->ip + sizeof(ngx_stream_script_copy_code_t), | |
| 741 code->len); | |
| 742 } | |
| 743 | |
| 744 e->ip += sizeof(ngx_stream_script_copy_code_t) | |
| 745 + ((code->len + sizeof(uintptr_t) - 1) & ~(sizeof(uintptr_t) - 1)); | |
| 746 | |
| 747 ngx_log_debug2(NGX_LOG_DEBUG_STREAM, e->session->connection->log, 0, | |
| 748 "stream script copy: \"%*s\"", e->pos - p, p); | |
| 749 } | |
| 750 | |
| 751 | |
| 752 static ngx_int_t | |
| 753 ngx_stream_script_add_var_code(ngx_stream_script_compile_t *sc, ngx_str_t *name) | |
| 754 { | |
| 755 ngx_int_t index, *p; | |
| 756 ngx_stream_script_var_code_t *code; | |
| 757 | |
| 758 index = ngx_stream_get_variable_index(sc->cf, name); | |
| 759 | |
| 760 if (index == NGX_ERROR) { | |
| 761 return NGX_ERROR; | |
| 762 } | |
| 763 | |
| 764 if (sc->flushes) { | |
| 765 p = ngx_array_push(*sc->flushes); | |
| 766 if (p == NULL) { | |
| 767 return NGX_ERROR; | |
| 768 } | |
| 769 | |
| 770 *p = index; | |
| 771 } | |
| 772 | |
| 773 code = ngx_stream_script_add_code(*sc->lengths, | |
| 774 sizeof(ngx_stream_script_var_code_t), | |
| 775 NULL); | |
| 776 if (code == NULL) { | |
| 777 return NGX_ERROR; | |
| 778 } | |
| 779 | |
|
7271
9e25a5380a21
Silenced -Wcast-function-type warnings (closes #1546).
Sergey Kandaurov <pluknet@nginx.com>
parents:
6940
diff
changeset
|
780 code->code = (ngx_stream_script_code_pt) (void *) |
|
9e25a5380a21
Silenced -Wcast-function-type warnings (closes #1546).
Sergey Kandaurov <pluknet@nginx.com>
parents:
6940
diff
changeset
|
781 ngx_stream_script_copy_var_len_code; |
| 6607 | 782 code->index = (uintptr_t) index; |
| 783 | |
| 784 code = ngx_stream_script_add_code(*sc->values, | |
| 785 sizeof(ngx_stream_script_var_code_t), | |
| 786 &sc->main); | |
| 787 if (code == NULL) { | |
| 788 return NGX_ERROR; | |
| 789 } | |
| 790 | |
| 791 code->code = ngx_stream_script_copy_var_code; | |
| 792 code->index = (uintptr_t) index; | |
| 793 | |
| 794 return NGX_OK; | |
| 795 } | |
| 796 | |
| 797 | |
| 798 size_t | |
| 799 ngx_stream_script_copy_var_len_code(ngx_stream_script_engine_t *e) | |
| 800 { | |
| 801 ngx_stream_variable_value_t *value; | |
| 802 ngx_stream_script_var_code_t *code; | |
| 803 | |
| 804 code = (ngx_stream_script_var_code_t *) e->ip; | |
| 805 | |
| 806 e->ip += sizeof(ngx_stream_script_var_code_t); | |
| 807 | |
| 808 if (e->flushed) { | |
| 809 value = ngx_stream_get_indexed_variable(e->session, code->index); | |
| 810 | |
| 811 } else { | |
| 812 value = ngx_stream_get_flushed_variable(e->session, code->index); | |
| 813 } | |
| 814 | |
| 815 if (value && !value->not_found) { | |
| 816 return value->len; | |
| 817 } | |
| 818 | |
| 819 return 0; | |
| 820 } | |
| 821 | |
| 822 | |
| 823 void | |
| 824 ngx_stream_script_copy_var_code(ngx_stream_script_engine_t *e) | |
| 825 { | |
| 826 u_char *p; | |
| 827 ngx_stream_variable_value_t *value; | |
| 828 ngx_stream_script_var_code_t *code; | |
| 829 | |
| 830 code = (ngx_stream_script_var_code_t *) e->ip; | |
| 831 | |
| 832 e->ip += sizeof(ngx_stream_script_var_code_t); | |
| 833 | |
| 834 if (!e->skip) { | |
| 835 | |
| 836 if (e->flushed) { | |
| 837 value = ngx_stream_get_indexed_variable(e->session, code->index); | |
| 838 | |
| 839 } else { | |
| 840 value = ngx_stream_get_flushed_variable(e->session, code->index); | |
| 841 } | |
| 842 | |
| 843 if (value && !value->not_found) { | |
| 844 p = e->pos; | |
| 845 e->pos = ngx_copy(p, value->data, value->len); | |
| 846 | |
| 847 ngx_log_debug2(NGX_LOG_DEBUG_STREAM, | |
| 848 e->session->connection->log, 0, | |
| 849 "stream script var: \"%*s\"", e->pos - p, p); | |
| 850 } | |
| 851 } | |
| 852 } | |
| 853 | |
| 854 | |
| 855 #if (NGX_PCRE) | |
| 856 | |
| 857 static ngx_int_t | |
| 858 ngx_stream_script_add_capture_code(ngx_stream_script_compile_t *sc, | |
| 859 ngx_uint_t n) | |
| 860 { | |
| 861 ngx_stream_script_copy_capture_code_t *code; | |
| 862 | |
| 863 code = ngx_stream_script_add_code(*sc->lengths, | |
| 864 sizeof(ngx_stream_script_copy_capture_code_t), | |
| 865 NULL); | |
| 866 if (code == NULL) { | |
| 867 return NGX_ERROR; | |
| 868 } | |
| 869 | |
|
7271
9e25a5380a21
Silenced -Wcast-function-type warnings (closes #1546).
Sergey Kandaurov <pluknet@nginx.com>
parents:
6940
diff
changeset
|
870 code->code = (ngx_stream_script_code_pt) (void *) |
|
9e25a5380a21
Silenced -Wcast-function-type warnings (closes #1546).
Sergey Kandaurov <pluknet@nginx.com>
parents:
6940
diff
changeset
|
871 ngx_stream_script_copy_capture_len_code; |
| 6607 | 872 code->n = 2 * n; |
| 873 | |
| 874 | |
| 875 code = ngx_stream_script_add_code(*sc->values, | |
| 876 sizeof(ngx_stream_script_copy_capture_code_t), | |
| 877 &sc->main); | |
| 878 if (code == NULL) { | |
| 879 return NGX_ERROR; | |
| 880 } | |
| 881 | |
| 882 code->code = ngx_stream_script_copy_capture_code; | |
| 883 code->n = 2 * n; | |
| 884 | |
| 885 if (sc->ncaptures < n) { | |
| 886 sc->ncaptures = n; | |
| 887 } | |
| 888 | |
| 889 return NGX_OK; | |
| 890 } | |
| 891 | |
| 892 | |
| 893 size_t | |
| 894 ngx_stream_script_copy_capture_len_code(ngx_stream_script_engine_t *e) | |
| 895 { | |
| 896 int *cap; | |
| 897 ngx_uint_t n; | |
| 898 ngx_stream_session_t *s; | |
| 899 ngx_stream_script_copy_capture_code_t *code; | |
| 900 | |
| 901 s = e->session; | |
| 902 | |
| 903 code = (ngx_stream_script_copy_capture_code_t *) e->ip; | |
| 904 | |
| 905 e->ip += sizeof(ngx_stream_script_copy_capture_code_t); | |
| 906 | |
| 907 n = code->n; | |
| 908 | |
| 909 if (n < s->ncaptures) { | |
| 910 cap = s->captures; | |
| 911 return cap[n + 1] - cap[n]; | |
| 912 } | |
| 913 | |
| 914 return 0; | |
| 915 } | |
| 916 | |
| 917 | |
| 918 void | |
| 919 ngx_stream_script_copy_capture_code(ngx_stream_script_engine_t *e) | |
| 920 { | |
| 921 int *cap; | |
| 922 u_char *p, *pos; | |
| 923 ngx_uint_t n; | |
| 924 ngx_stream_session_t *s; | |
| 925 ngx_stream_script_copy_capture_code_t *code; | |
| 926 | |
| 927 s = e->session; | |
| 928 | |
| 929 code = (ngx_stream_script_copy_capture_code_t *) e->ip; | |
| 930 | |
| 931 e->ip += sizeof(ngx_stream_script_copy_capture_code_t); | |
| 932 | |
| 933 n = code->n; | |
| 934 | |
| 935 pos = e->pos; | |
| 936 | |
| 937 if (n < s->ncaptures) { | |
| 938 cap = s->captures; | |
| 939 p = s->captures_data; | |
| 940 e->pos = ngx_copy(pos, &p[cap[n]], cap[n + 1] - cap[n]); | |
| 941 } | |
| 942 | |
| 943 ngx_log_debug2(NGX_LOG_DEBUG_STREAM, e->session->connection->log, 0, | |
| 944 "stream script capture: \"%*s\"", e->pos - pos, pos); | |
| 945 } | |
| 946 | |
| 947 #endif | |
| 948 | |
| 949 | |
| 950 static ngx_int_t | |
| 951 ngx_stream_script_add_full_name_code(ngx_stream_script_compile_t *sc) | |
| 952 { | |
| 953 ngx_stream_script_full_name_code_t *code; | |
| 954 | |
| 955 code = ngx_stream_script_add_code(*sc->lengths, | |
| 956 sizeof(ngx_stream_script_full_name_code_t), | |
| 957 NULL); | |
| 958 if (code == NULL) { | |
| 959 return NGX_ERROR; | |
| 960 } | |
| 961 | |
|
7271
9e25a5380a21
Silenced -Wcast-function-type warnings (closes #1546).
Sergey Kandaurov <pluknet@nginx.com>
parents:
6940
diff
changeset
|
962 code->code = (ngx_stream_script_code_pt) (void *) |
| 6607 | 963 ngx_stream_script_full_name_len_code; |
| 964 code->conf_prefix = sc->conf_prefix; | |
| 965 | |
| 966 code = ngx_stream_script_add_code(*sc->values, | |
| 967 sizeof(ngx_stream_script_full_name_code_t), &sc->main); | |
| 968 if (code == NULL) { | |
| 969 return NGX_ERROR; | |
| 970 } | |
| 971 | |
| 972 code->code = ngx_stream_script_full_name_code; | |
| 973 code->conf_prefix = sc->conf_prefix; | |
| 974 | |
| 975 return NGX_OK; | |
| 976 } | |
| 977 | |
| 978 | |
| 979 static size_t | |
| 980 ngx_stream_script_full_name_len_code(ngx_stream_script_engine_t *e) | |
| 981 { | |
| 982 ngx_stream_script_full_name_code_t *code; | |
| 983 | |
| 984 code = (ngx_stream_script_full_name_code_t *) e->ip; | |
| 985 | |
| 986 e->ip += sizeof(ngx_stream_script_full_name_code_t); | |
| 987 | |
| 988 return code->conf_prefix ? ngx_cycle->conf_prefix.len: | |
| 989 ngx_cycle->prefix.len; | |
| 990 } | |
| 991 | |
| 992 | |
| 993 static void | |
| 994 ngx_stream_script_full_name_code(ngx_stream_script_engine_t *e) | |
| 995 { | |
| 996 ngx_stream_script_full_name_code_t *code; | |
| 997 | |
| 998 ngx_str_t value, *prefix; | |
| 999 | |
| 1000 code = (ngx_stream_script_full_name_code_t *) e->ip; | |
| 1001 | |
| 1002 value.data = e->buf.data; | |
| 1003 value.len = e->pos - e->buf.data; | |
| 1004 | |
| 1005 prefix = code->conf_prefix ? (ngx_str_t *) &ngx_cycle->conf_prefix: | |
| 1006 (ngx_str_t *) &ngx_cycle->prefix; | |
| 1007 | |
| 1008 if (ngx_get_full_name(e->session->connection->pool, prefix, &value) | |
| 1009 != NGX_OK) | |
| 1010 { | |
| 1011 e->ip = ngx_stream_script_exit; | |
| 1012 return; | |
| 1013 } | |
| 1014 | |
| 1015 e->buf = value; | |
| 1016 | |
| 1017 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, e->session->connection->log, 0, | |
| 1018 "stream script fullname: \"%V\"", &value); | |
| 1019 | |
| 1020 e->ip += sizeof(ngx_stream_script_full_name_code_t); | |
| 1021 } |