X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=urlmatch.c;h=ebaf63c1964d0cc9c63a11b1194f2519adbfeb64;hp=6f357d0ca606b9d4695381b725c000ab74dbfa84;hb=5e4a876763811af984c9cafca6f4a0a6610eccb9;hpb=e7f941972fe36b13a5fd727c8d2357f20e61e2da diff --git a/urlmatch.c b/urlmatch.c index 6f357d0c..ebaf63c1 100644 --- a/urlmatch.c +++ b/urlmatch.c @@ -1,4 +1,4 @@ -const char urlmatch_rcs[] = "$Id: urlmatch.c,v 1.55 2009/06/03 16:43:16 fabiankeil Exp $"; +const char urlmatch_rcs[] = "$Id: urlmatch.c,v 1.60 2011/04/19 13:00:47 fabiankeil Exp $"; /********************************************************************* * * File : $Source: /cvsroot/ijbswa/current/urlmatch.c,v $ @@ -58,7 +58,13 @@ const char urlmatch_rcs[] = "$Id: urlmatch.c,v 1.55 2009/06/03 16:43:16 fabianke const char urlmatch_h_rcs[] = URLMATCH_H_VERSION; -enum regex_anchoring {NO_ANCHORING, LEFT_ANCHORED, RIGHT_ANCHORED}; +enum regex_anchoring +{ + NO_ANCHORING, + LEFT_ANCHORED, + RIGHT_ANCHORED, + RIGHT_ANCHORED_HOST +}; static jb_err compile_host_pattern(struct url_spec *url, const char *host_pattern); /********************************************************************* @@ -546,9 +552,10 @@ jb_err parse_http_request(const char *req, struct http_request *http) * * Parameters : * 1 : pattern = The pattern to compile. - * 2 : anchoring = How the regex should be anchored. - * Can be either one of NO_ANCHORING, - * LEFT_ANCHORED or RIGHT_ANCHORED. + * 2 : anchoring = How the regex should be modified + * before compilation. Can be either + * one of NO_ANCHORING, LEFT_ANCHORED, + * RIGHT_ANCHORED or RIGHT_ANCHORED_HOST. * 3 : url = In case of failures, the spec member is * logged and the structure freed. * 4 : regex = Where the compiled regex should be stored. @@ -582,6 +589,9 @@ static jb_err compile_pattern(const char *pattern, enum regex_anchoring anchorin case RIGHT_ANCHORED: fmt = "%s$"; break; + case RIGHT_ANCHORED_HOST: + fmt = "%s\\.?$"; + break; case LEFT_ANCHORED: fmt = "^%s"; break; @@ -731,7 +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 @@ -919,7 +929,7 @@ static int simplematch(const char *pattern, const char *text) || ((*pat == ']') && (charmap[*txt / 8] & (1 << (*txt % 8)))) ) { /* - * Sucess: Go ahead + * Success: Go ahead */ pat++; } @@ -1118,7 +1128,7 @@ jb_err create_url_spec(struct url_spec *url, char *buf) } /* Is it a tag pattern? */ - if (0 == strncmpic("TAG:", url->spec, 4)) + if (0 == strncmpic(url->spec, "TAG:", 4)) { /* The pattern starts with the first character after "TAG:" */ const char *tag_pattern = buf + 4; @@ -1192,6 +1202,51 @@ static int port_matches(const int port, const char *port_list) } +/********************************************************************* + * + * 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 @@ -1208,21 +1263,14 @@ static int port_matches(const int port, const char *port_list) int url_match(const struct url_spec *pattern, const struct http_request *http) { - /* XXX: these should probably be functions. */ -#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(http->port, pattern->port_list) && DOMAIN_MATCHES && PATH_MATCHES); + return (port_matches(http->port, pattern->port_list) + && host_matches(http, pattern) && path_matches(http->path, pattern)); }