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comparison src/http/modules/ngx_http_rewrite_module.c @ 180:4cd3e70c4d60 NGINX_0_3_37

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nginx 0.3.37 *) Feature: the "limit_except" directive. *) Feature: the "if" directive supports the "!~", "!~*", "-f", and "!-f" operators. *) Feature: the ngx_http_perl_module supports the $r->request_body method. *) Bugfix: in the ngx_http_addition_filter_module.
author Igor Sysoev <http://sysoev.ru>
date Fri, 07 Apr 2006 00:00:00 +0400
parents df17fbafec8f
children 71ff1e2b484a
comparison
equal deleted inserted replaced
179:654cbdc0401d 180:4cd3e70c4d60
576 if_code->code = ngx_http_script_if_code; 576 if_code->code = ngx_http_script_if_code;
577 577
578 elts = lcf->codes->elts; 578 elts = lcf->codes->elts;
579 579
580 580
581 /* the inside directives must compile to the same code array */ 581 /* the inner directives must be compiled to the same code array */
582 582
583 nlcf = ctx->loc_conf[ngx_http_rewrite_module.ctx_index]; 583 nlcf = ctx->loc_conf[ngx_http_rewrite_module.ctx_index];
584 nlcf->codes = lcf->codes; 584 nlcf->codes = lcf->codes;
585 585
586 586
627 627
628 628
629 static char * 629 static char *
630 ngx_http_rewrite_if_condition(ngx_conf_t *cf, ngx_http_rewrite_loc_conf_t *lcf) 630 ngx_http_rewrite_if_condition(ngx_conf_t *cf, ngx_http_rewrite_loc_conf_t *lcf)
631 { 631 {
632 u_char *p;
633 size_t len;
632 ngx_str_t *value, err; 634 ngx_str_t *value, err;
633 ngx_uint_t cur, last, n; 635 ngx_uint_t cur, last, n;
634 ngx_http_script_code_pt *code; 636 ngx_http_script_code_pt *code;
637 ngx_http_script_file_code_t *fop;
635 ngx_http_script_regex_code_t *regex; 638 ngx_http_script_regex_code_t *regex;
636 u_char errstr[NGX_MAX_CONF_ERRSTR]; 639 u_char errstr[NGX_MAX_CONF_ERRSTR];
637 640
638 value = cf->args->elts; 641 value = cf->args->elts;
639 last = cf->args->nelts - 1; 642 last = cf->args->nelts - 1;
665 } else { 668 } else {
666 value[last].len--; 669 value[last].len--;
667 value[last].data[value[last].len] = '\0'; 670 value[last].data[value[last].len] = '\0';
668 } 671 }
669 672
670 if (value[cur].len > 1 && value[cur].data[0] == '$') { 673 len = value[cur].len;
674 p = value[cur].data;
675
676 if (len > 1 && p[0] == '$') {
671 677
672 if (cur != last && cur + 2 != last) { 678 if (cur != last && cur + 2 != last) {
673 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, 679 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
674 "invalid condition \"%V\"", &value[cur]); 680 "invalid condition \"%V\"", &value[cur]);
675 return NGX_CONF_ERROR; 681 return NGX_CONF_ERROR;
676 } 682 }
677 683
678 if (ngx_http_rewrite_variable(cf, lcf, &value[cur]) != NGX_CONF_OK) { 684 if (ngx_http_rewrite_variable(cf, lcf, &value[cur]) != NGX_CONF_OK) {
679 return NGX_CONF_ERROR; 685 return NGX_CONF_ERROR;
683 return NGX_CONF_OK; 689 return NGX_CONF_OK;
684 } 690 }
685 691
686 cur++; 692 cur++;
687 693
688 if (value[cur].len == 1 && value[cur].data[0] == '=') { 694 len = value[cur].len;
695 p = value[cur].data;
696
697 if (len == 1 && p[0] == '=') {
689 698
690 if (ngx_http_rewrite_value(cf, lcf, &value[last]) != NGX_CONF_OK) { 699 if (ngx_http_rewrite_value(cf, lcf, &value[last]) != NGX_CONF_OK) {
691 return NGX_CONF_ERROR; 700 return NGX_CONF_ERROR;
692 } 701 }
693 702
700 *code = ngx_http_script_equal_code; 709 *code = ngx_http_script_equal_code;
701 710
702 return NGX_CONF_OK; 711 return NGX_CONF_OK;
703 } 712 }
704 713
705 if (value[cur].len == 2 714 if (len == 2 && p[0] == '!' && p[1] == '=') {
706 && value[cur].data[0] == '!' && value[cur].data[1] == '=') 715
707 {
708 if (ngx_http_rewrite_value(cf, lcf, &value[last]) != NGX_CONF_OK) { 716 if (ngx_http_rewrite_value(cf, lcf, &value[last]) != NGX_CONF_OK) {
709 return NGX_CONF_ERROR; 717 return NGX_CONF_ERROR;
710 } 718 }
711 719
712 code = ngx_http_script_start_code(cf->pool, &lcf->codes, 720 code = ngx_http_script_start_code(cf->pool, &lcf->codes,
717 725
718 *code = ngx_http_script_not_equal_code; 726 *code = ngx_http_script_not_equal_code;
719 return NGX_CONF_OK; 727 return NGX_CONF_OK;
720 } 728 }
721 729
722 if ((value[cur].len == 1 && value[cur].data[0] == '~') 730 if ((len == 1 && p[0] == '~')
723 || (value[cur].len == 2 731 || (len == 2 && p[0] == '~' && p[1] == '*')
724 && value[cur].data[0] == '~' && value[cur].data[1] == '*')) 732 || (len == 2 && p[0] == '!' && p[1] == '~')
733 || (len == 3 && p[0] == '!' && p[1] == '~' && p[2] == '*'))
725 { 734 {
726 regex = ngx_http_script_start_code(cf->pool, &lcf->codes, 735 regex = ngx_http_script_start_code(cf->pool, &lcf->codes,
727 sizeof(ngx_http_script_regex_code_t)); 736 sizeof(ngx_http_script_regex_code_t));
728 if (regex == NULL) { 737 if (regex == NULL) {
729 return NGX_CONF_ERROR; 738 return NGX_CONF_ERROR;
733 742
734 err.len = NGX_MAX_CONF_ERRSTR; 743 err.len = NGX_MAX_CONF_ERRSTR;
735 err.data = errstr; 744 err.data = errstr;
736 745
737 regex->regex = ngx_regex_compile(&value[last], 746 regex->regex = ngx_regex_compile(&value[last],
738 (value[cur].len == 2) ? NGX_REGEX_CASELESS : 0, 747 (p[len - 1] == '*') ? NGX_REGEX_CASELESS : 0,
739 cf->pool, &err); 748 cf->pool, &err);
740 749
741 if (regex->regex == NULL) { 750 if (regex->regex == NULL) {
742 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%s", err.data); 751 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%s", err.data);
743 return NGX_CONF_ERROR; 752 return NGX_CONF_ERROR;
744 } 753 }
745 754
746 regex->code = ngx_http_script_regex_start_code; 755 regex->code = ngx_http_script_regex_start_code;
747 regex->next = sizeof(ngx_http_script_regex_code_t); 756 regex->next = sizeof(ngx_http_script_regex_code_t);
748 regex->test = 1; 757 regex->test = 1;
758 if (p[0] == '!') {
759 regex->negative_test = 1;
760 }
749 regex->name = value[last]; 761 regex->name = value[last];
750 762
751 n = ngx_regex_capture_count(regex->regex); 763 n = ngx_regex_capture_count(regex->regex);
752 764
753 if (n) { 765 if (n) {
761 return NGX_CONF_OK; 773 return NGX_CONF_OK;
762 } 774 }
763 775
764 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, 776 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
765 "unexpected \"%V\" in condition", &value[cur]); 777 "unexpected \"%V\" in condition", &value[cur]);
778 return NGX_CONF_ERROR;
779
780 } else if ((len == 2 && p[0] == '-')
781 || (len == 3 && p[0] == '!' && p[1] == '-'))
782 {
783 if (cur + 1 != last) {
784 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
785 "invalid condition \"%V\"", &value[cur]);
786 return NGX_CONF_ERROR;
787 }
788
789 value[last].data[value[last].len] = '\0';
790 value[last].len++;
791
792 if (ngx_http_rewrite_value(cf, lcf, &value[last]) != NGX_CONF_OK) {
793 return NGX_CONF_ERROR;
794 }
795
796 fop = ngx_http_script_start_code(cf->pool, &lcf->codes,
797 sizeof(ngx_http_script_file_code_t));
798 if (fop == NULL) {
799 return NGX_CONF_ERROR;
800 }
801
802 fop->code = ngx_http_script_file_code;
803
804 if (p[1] == 'f') {
805 fop->op = ngx_http_script_file_plain;
806 return NGX_CONF_OK;
807 }
808
809 if (p[0] == '!') {
810 if (p[2] == 'f') {
811 fop->op = ngx_http_script_file_not_plain;
812 return NGX_CONF_OK;
813 }
814 }
815
816 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
817 "invalid condition \"%V\"", &value[cur]);
766 return NGX_CONF_ERROR; 818 return NGX_CONF_ERROR;
767 } 819 }
768 820
769 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, 821 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
770 "invalid condition \"%V\"", &value[cur]); 822 "invalid condition \"%V\"", &value[cur]);