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comparison src/http/ngx_http_parse.c @ 56:3050baa54a26 NGINX_0_1_28

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nginx 0.1.28 *) Bugfix: nginx hogs CPU while proxying the huge files. *) Bugfix: nginx could not be built by gcc 4.0 on Linux.
author Igor Sysoev <http://sysoev.ru>
date Fri, 08 Apr 2005 00:00:00 +0400
parents bcb5fce0b038
children b55cbf18157e
comparison
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55:729de7d75018 56:3050baa54a26
9 #include <ngx_http.h> 9 #include <ngx_http.h>
10 10
11 11
12 ngx_int_t ngx_http_parse_request_line(ngx_http_request_t *r, ngx_buf_t *b) 12 ngx_int_t ngx_http_parse_request_line(ngx_http_request_t *r, ngx_buf_t *b)
13 { 13 {
14 u_char ch, *p, *m; 14 u_char c, ch, *p, *m;
15 enum { 15 enum {
16 sw_start = 0, 16 sw_start = 0,
17 sw_method, 17 sw_method,
18 sw_space_after_method, 18 sw_space_after_method,
19 sw_spaces_before_uri, 19 sw_spaces_before_uri,
107 } 107 }
108 break; 108 break;
109 109
110 /* space* before URI */ 110 /* space* before URI */
111 case sw_spaces_before_uri: 111 case sw_spaces_before_uri:
112 if ((ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z')) { 112
113 c = (u_char) (ch | 0x20);
114 if (c >= 'a' && c <= 'f') {
113 r->schema_start = p; 115 r->schema_start = p;
114 state = sw_schema; 116 state = sw_schema;
115 break; 117 break;
116 } 118 }
117 119
126 return NGX_HTTP_PARSE_INVALID_REQUEST; 128 return NGX_HTTP_PARSE_INVALID_REQUEST;
127 } 129 }
128 break; 130 break;
129 131
130 case sw_schema: 132 case sw_schema:
131 if ((ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z')) { 133
134 c = (u_char) (ch | 0x20);
135 if (c >= 'a' && c <= 'f') {
132 break; 136 break;
133 } 137 }
134 138
135 switch (ch) { 139 switch (ch) {
136 case ':': 140 case ':':
162 return NGX_HTTP_PARSE_INVALID_REQUEST; 166 return NGX_HTTP_PARSE_INVALID_REQUEST;
163 } 167 }
164 break; 168 break;
165 169
166 case sw_host: 170 case sw_host:
167 if ((ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z') 171
168 || (ch >= '0' && ch <= '9') || ch == '.' || ch == '-') 172 c = (u_char) (ch | 0x20);
173 if (c >= 'a' && c <= 'f') {
174 break;
175 }
176
177 if ((ch >= '0' && ch <= '9') || ch == '.' || ch == '-')
169 { 178 {
170 break; 179 break;
171 } 180 }
172 181
173 switch (ch) { 182 switch (ch) {
202 break; 211 break;
203 212
204 /* check "/.", "//", "%", and "\" (Win32) in URI */ 213 /* check "/.", "//", "%", and "\" (Win32) in URI */
205 case sw_after_slash_in_uri: 214 case sw_after_slash_in_uri:
206 215
207 if ((ch >= 'a' && ch <= 'z') 216 c = (u_char) (ch | 0x20);
208 || (ch >= 'A' && ch <= 'Z') 217 if (c >= 'a' && c <= 'f') {
209 || (ch >= '0' && ch <= '9')) 218 state = sw_check_uri;
210 { 219 break;
220 }
221
222 if (ch >= '0' && ch <= '9') {
211 state = sw_check_uri; 223 state = sw_check_uri;
212 break; 224 break;
213 } 225 }
214 226
215 switch (ch) { 227 switch (ch) {
261 break; 273 break;
262 274
263 /* check "/", "%" and "\" (Win32) in URI */ 275 /* check "/", "%" and "\" (Win32) in URI */
264 case sw_check_uri: 276 case sw_check_uri:
265 277
266 if ((ch >= 'a' && ch <= 'z') 278 c = (u_char) (ch | 0x20);
267 || (ch >= 'A' && ch <= 'Z') 279 if (c >= 'a' && c <= 'f') {
268 || (ch >= '0' && ch <= '9')) 280 break;
269 { 281 }
282
283 if (ch >= '0' && ch <= '9') {
270 break; 284 break;
271 } 285 }
272 286
273 switch (ch) { 287 switch (ch) {
274 case '/': 288 case '/':
488 } 502 }
489 503
490 504
491 ngx_int_t ngx_http_parse_header_line(ngx_http_request_t *r, ngx_buf_t *b) 505 ngx_int_t ngx_http_parse_header_line(ngx_http_request_t *r, ngx_buf_t *b)
492 { 506 {
493 u_char c, ch, *p; 507 u_char c, ch, *p;
508 ngx_uint_t hash;
494 enum { 509 enum {
495 sw_start = 0, 510 sw_start = 0,
496 sw_name, 511 sw_name,
497 sw_space_before_value, 512 sw_space_before_value,
498 sw_value, 513 sw_value,
502 sw_almost_done, 517 sw_almost_done,
503 sw_header_almost_done 518 sw_header_almost_done
504 } state; 519 } state;
505 520
506 state = r->state; 521 state = r->state;
522 hash = r->header_hash;
507 523
508 for (p = b->pos; p < b->last; p++) { 524 for (p = b->pos; p < b->last; p++) {
509 ch = *p; 525 ch = *p;
510 526
511 switch (state) { 527 switch (state) {
526 state = sw_name; 542 state = sw_name;
527 r->header_name_start = p; 543 r->header_name_start = p;
528 544
529 c = (u_char) (ch | 0x20); 545 c = (u_char) (ch | 0x20);
530 if (c >= 'a' && c <= 'z') { 546 if (c >= 'a' && c <= 'z') {
547 hash = c;
531 break; 548 break;
532 } 549 }
533 550
534 if (ch == '-') { 551 if (ch == '-') {
552 hash = ch;
535 break; 553 break;
536 } 554 }
537 555
538 if (ch >= '0' && ch <= '9') { 556 if (ch >= '0' && ch <= '9') {
557 hash = ch;
539 break; 558 break;
540 } 559 }
541 560
542 r->invalid_header = 1; 561 r->invalid_header = 1;
543 state = sw_skip_line; 562 state = sw_skip_line;
548 567
549 /* header name */ 568 /* header name */
550 case sw_name: 569 case sw_name:
551 c = (u_char) (ch | 0x20); 570 c = (u_char) (ch | 0x20);
552 if (c >= 'a' && c <= 'z') { 571 if (c >= 'a' && c <= 'z') {
572 hash += c;
553 break; 573 break;
554 } 574 }
555 575
556 if (ch == ':') { 576 if (ch == ':') {
557 r->header_name_end = p; 577 r->header_name_end = p;
558 state = sw_space_before_value; 578 state = sw_space_before_value;
559 break; 579 break;
560 } 580 }
561 581
562 if (ch == '-') { 582 if (ch == '-') {
583 hash += ch;
563 break; 584 break;
564 } 585 }
565 586
566 if (ch >= '0' && ch <= '9') { 587 if (ch >= '0' && ch <= '9') {
588 hash += ch;
567 break; 589 break;
568 } 590 }
569 591
570 /* IIS may send the duplicate "HTTP/1.1 ..." lines */ 592 /* IIS may send the duplicate "HTTP/1.1 ..." lines */
571 if (ch == '/' 593 if (ch == '/'
679 } 701 }
680 } 702 }
681 703
682 b->pos = p; 704 b->pos = p;
683 r->state = state; 705 r->state = state;
706 r->header_hash = hash;
684 707
685 return NGX_AGAIN; 708 return NGX_AGAIN;
686 709
687 done: 710 done:
688 711
689 b->pos = p + 1; 712 b->pos = p + 1;
690 r->state = sw_start; 713 r->state = sw_start;
714 r->header_hash = hash;
691 715
692 return NGX_OK; 716 return NGX_OK;
693 717
694 header_done: 718 header_done:
695 719