X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=urlmatch.c;h=a8f887b7dfa26d0b7911e766ddc8b8eb2d33d11b;hp=7a2778b0e7a7e085746f8601c4ec4b154f87e964;hb=9bf8d4c93f81eefe159d17d42232dcd3fa2a86f4;hpb=7216bae2ff3ebd81f59060bc8ff727af70b52298 diff --git a/urlmatch.c b/urlmatch.c index 7a2778b0..a8f887b7 100644 --- a/urlmatch.c +++ b/urlmatch.c @@ -1,4 +1,4 @@ -const char urlmatch_rcs[] = "$Id: urlmatch.c,v 1.52 2009/05/19 17:39:59 fabiankeil Exp $"; +const char urlmatch_rcs[] = "$Id: urlmatch.c,v 1.58 2009/06/03 16:44:41 fabiankeil Exp $"; /********************************************************************* * * File : $Source: /cvsroot/ijbswa/current/urlmatch.c,v $ @@ -58,7 +58,13 @@ const char urlmatch_rcs[] = "$Id: urlmatch.c,v 1.52 2009/05/19 17:39:59 fabianke const char urlmatch_h_rcs[] = URLMATCH_H_VERSION; -enum regex_anchoring {NO_ANCHORING, LEFT_ANCHORED, RIGHT_ANCHORED}; +enum regex_anchoring +{ + NO_ANCHORING, + LEFT_ANCHORED, + RIGHT_ANCHORED, + RIGHT_ANCHORED_HOST +}; static jb_err compile_host_pattern(struct url_spec *url, const char *host_pattern); /********************************************************************* @@ -86,12 +92,15 @@ void free_http_request(struct http_request *http) freez(http->path); freez(http->ver); freez(http->host_ip_addr_str); +#ifndef FEATURE_EXTENDED_HOST_PATTERNS freez(http->dbuffer); freez(http->dvec); http->dcount = 0; +#endif } +#ifndef FEATURE_EXTENDED_HOST_PATTERNS /********************************************************************* * * Function : init_domain_components @@ -155,6 +164,7 @@ jb_err init_domain_components(struct http_request *http) return JB_ERR_OK; } +#endif /* ndef FEATURE_EXTENDED_HOST_PATTERNS */ /********************************************************************* @@ -377,10 +387,12 @@ jb_err parse_http_url(const char *url, struct http_request *http, int require_pr } } - /* - * Split domain name so we can compare it against wildcards - */ +#ifdef FEATURE_EXTENDED_HOST_PATTERNS + return JB_ERR_OK; +#else + /* Split domain name so we can compare it against wildcards */ return init_domain_components(http); +#endif /* def FEATURE_EXTENDED_HOST_PATTERNS */ } @@ -540,9 +552,10 @@ jb_err parse_http_request(const char *req, struct http_request *http) * * Parameters : * 1 : pattern = The pattern to compile. - * 2 : anchoring = How the regex should be anchored. - * Can be either one of NO_ANCHORING, - * LEFT_ANCHORED or RIGHT_ANCHORED. + * 2 : anchoring = How the regex should be modified + * before compilation. Can be either + * one of NO_ANCHORING, LEFT_ANCHORED, + * RIGHT_ANCHORED or RIGHT_ANCHORED_HOST. * 3 : url = In case of failures, the spec member is * logged and the structure freed. * 4 : regex = Where the compiled regex should be stored. @@ -576,6 +589,9 @@ static jb_err compile_pattern(const char *pattern, enum regex_anchoring anchorin case RIGHT_ANCHORED: fmt = "%s$"; break; + case RIGHT_ANCHORED_HOST: + fmt = "%s\\.?$"; + break; case LEFT_ANCHORED: fmt = "^%s"; break; @@ -725,7 +741,7 @@ static jb_err compile_url_pattern(struct url_spec *url, char *buf) *********************************************************************/ static jb_err compile_host_pattern(struct url_spec *url, const char *host_pattern) { - return compile_pattern(host_pattern, RIGHT_ANCHORED, url, &url->host_regex); + return compile_pattern(host_pattern, RIGHT_ANCHORED_HOST, url, &url->host_regex); } #else @@ -1111,7 +1127,7 @@ jb_err create_url_spec(struct url_spec *url, char *buf) return JB_ERR_MEMORY; } - /* Is it tag pattern? */ + /* Is it a tag pattern? */ if (0 == strncmpic("TAG:", url->spec, 4)) { /* The pattern starts with the first character after "TAG:" */ @@ -1119,7 +1135,7 @@ jb_err create_url_spec(struct url_spec *url, char *buf) return compile_pattern(tag_pattern, NO_ANCHORING, url, &url->tag_regex); } - /* If it isn't a tag pattern it must be a URL pattern. */ + /* If it isn't a tag pattern it must be an URL pattern. */ return compile_url_pattern(url, buf); } @@ -1167,6 +1183,70 @@ void free_url_spec(struct url_spec *url) } +/********************************************************************* + * + * Function : port_matches + * + * Description : Compares a port against a port list. + * + * Parameters : + * 1 : port = The port to check. + * 2 : port_list = The list of port to compare with. + * + * Returns : TRUE for yes, FALSE otherwise. + * + *********************************************************************/ +static int port_matches(const int port, const char *port_list) +{ + return ((NULL == port_list) || match_portlist(port_list, port)); +} + + +/********************************************************************* + * + * Function : host_matches + * + * Description : Compares a host against a host pattern. + * + * Parameters : + * 1 : url = The URL to match + * 2 : pattern = The URL pattern + * + * Returns : TRUE for yes, FALSE otherwise. + * + *********************************************************************/ +static int host_matches(const struct http_request *http, + const struct url_spec *pattern) +{ +#ifdef FEATURE_EXTENDED_HOST_PATTERNS + return ((NULL == pattern->host_regex) + || (0 == regexec(pattern->host_regex, http->host, 0, NULL, 0))); +#else + return ((NULL == pattern->dbuffer) || (0 == domain_match(pattern, http))); +#endif +} + + +/********************************************************************* + * + * Function : path_matches + * + * Description : Compares a path against a path pattern. + * + * Parameters : + * 1 : path = The path to match + * 2 : pattern = The URL pattern + * + * Returns : TRUE for yes, FALSE otherwise. + * + *********************************************************************/ +static int path_matches(const char *path, const struct url_spec *pattern) +{ + return ((NULL == pattern->preg) + || (0 == regexec(pattern->preg, path, 0, NULL, 0))); +} + + /********************************************************************* * * Function : url_match @@ -1183,22 +1263,14 @@ void free_url_spec(struct url_spec *url) int url_match(const struct url_spec *pattern, const struct http_request *http) { - /* XXX: these should probably be functions. */ -#define PORT_MATCHES ((NULL == pattern->port_list) || match_portlist(pattern->port_list, http->port)) -#ifdef FEATURE_EXTENDED_HOST_PATTERNS -#define DOMAIN_MATCHES ((NULL == pattern->host_regex) || (0 == regexec(pattern->host_regex, http->host, 0, NULL, 0))) -#else -#define DOMAIN_MATCHES ((NULL == pattern->dbuffer) || (0 == domain_match(pattern, http))) -#endif -#define PATH_MATCHES ((NULL == pattern->preg) || (0 == regexec(pattern->preg, http->path, 0, NULL, 0))) - if (pattern->tag_regex != NULL) { /* It's a tag pattern and shouldn't be matched against URLs */ return 0; } - return (PORT_MATCHES && DOMAIN_MATCHES && PATH_MATCHES); + return (port_matches(http->port, pattern->port_list) + && host_matches(http, pattern) && path_matches(http->path, pattern)); }