X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=filters.c;h=a7f622a91872b59f25528a5715aec9c0e2e34cab;hp=ad40d65390206f801c7209ed0b201f3d9166e1f6;hb=8a8d5061c4646c704b2f247225ccb6cf80561bc2;hpb=21de9acac741893a3cd1f8cf704e381fbd572061 diff --git a/filters.c b/filters.c index ad40d653..a7f622a9 100644 --- a/filters.c +++ b/filters.c @@ -1,19 +1,11 @@ -const char filters_rcs[] = "$Id: filters.c,v 1.161 2011/12/26 17:02:24 fabiankeil Exp $"; +const char filters_rcs[] = "$Id: filters.c,v 1.174 2012/10/21 12:35:15 fabiankeil Exp $"; /********************************************************************* * * File : $Source: /cvsroot/ijbswa/current/filters.c,v $ * * Purpose : Declares functions to parse/crunch headers and pages. - * Functions declared include: - * `acl_addr', `add_stats', `block_acl', `block_imageurl', - * `block_url', `url_actions', `domain_split', - * `filter_popups', `forward_url', 'redirect_url', - * `ij_untrusted_url', `intercept_url', `pcrs_filter_respose', - * `ijb_send_banner', `trust_url', `gif_deanimate_response', - * `execute_single_pcrs_command', `rewrite_url', - * `get_last_url' - * - * Copyright : Written by and Copyright (C) 2001-2010 the + * + * Copyright : Written by and Copyright (C) 2001-2011 the * Privoxy team. http://www.privoxy.org/ * * Based on the Internet Junkbuster originally written @@ -84,15 +76,6 @@ const char filters_rcs[] = "$Id: filters.c,v 1.161 2011/12/26 17:02:24 fabiankei const char filters_h_rcs[] = FILTERS_H_VERSION; -/* Fix a problem with Solaris. There should be no effect on other - * platforms. - * Solaris's isspace() is a macro which uses it's argument directly - * as an array index. Therefore we need to make sure that high-bit - * characters generate +ve values, and ideally we also want to make - * the argument match the declared parameter type of "int". - */ -#define ijb_isdigit(__X) isdigit((int)(unsigned char)(__X)) - typedef char *(*filter_function_ptr)(); static filter_function_ptr get_filter_function(const struct client_state *csp); static jb_err remove_chunked_transfer_coding(char *buffer, size_t *size); @@ -193,10 +176,8 @@ static int match_sockaddr(const struct sockaddr_storage *network, if (network->ss_family != netmask->ss_family) { /* This should never happen */ - log_error(LOG_LEVEL_ERROR, - "Internal error at %s:%llu: network and netmask differ in family", - __FILE__, __LINE__); - return 0; + assert(network->ss_family == netmask->ss_family); + log_error(LOG_LEVEL_FATAL, "Network and netmask differ in family."); } sockaddr_storage_to_ip(network, &network_addr, &addr_len, &network_port); @@ -379,7 +360,7 @@ int acl_addr(const char *aspec, struct access_control_addr *aca) if ((p = strchr(acl_spec, '/')) != NULL) { *p++ = '\0'; - if (ijb_isdigit(*p) == 0) + if (privoxy_isdigit(*p) == 0) { freez(acl_spec); return(-1); @@ -596,7 +577,7 @@ struct http_response *block_url(struct client_state *csp) /* determine HOW images should be blocked */ p = csp->action->string[ACTION_STRING_IMAGE_BLOCKER]; - if(csp->action->flags & ACTION_HANDLE_AS_EMPTY_DOCUMENT) + if (csp->action->flags & ACTION_HANDLE_AS_EMPTY_DOCUMENT) { log_error(LOG_LEVEL_ERROR, "handle-as-empty-document overruled by handle-as-image."); } @@ -665,7 +646,7 @@ struct http_response *block_url(struct client_state *csp) } else #endif /* def FEATURE_IMAGE_BLOCKING */ - if(csp->action->flags & ACTION_HANDLE_AS_EMPTY_DOCUMENT) + if (csp->action->flags & ACTION_HANDLE_AS_EMPTY_DOCUMENT) { /* * Send empty document. @@ -1107,6 +1088,11 @@ char *get_last_url(char *subject, const char *redirect_mode) if (0 == strcmpic(redirect_mode, "check-decoded-url") && strchr(subject, '%')) { + char *url_segment = NULL; + char **url_segments; + size_t max_segments; + int segments; + log_error(LOG_LEVEL_REDIRECTS, "Checking \"%s\" for encoded redirects.", subject); @@ -1116,24 +1102,22 @@ char *get_last_url(char *subject, const char *redirect_mode) * go backwards through the segments, URL-decode them * and look for a URL in the decoded result. * Stop the search after the first match. - */ - char *url_segment = NULL; - /* + * * XXX: This estimate is guaranteed to be high enough as we * let ssplit() ignore empty fields, but also a bit wasteful. */ - size_t max_segments = strlen(subject) / 2; - char **url_segments = malloc(max_segments * sizeof(char *)); - int segments; + max_segments = strlen(subject) / 2; + url_segments = malloc(max_segments * sizeof(char *)); if (NULL == url_segments) { - log_error(LOG_LEVEL_ERROR, "Out of memory while decoding URL: %s", new_url); + log_error(LOG_LEVEL_ERROR, + "Out of memory while decoding URL: %s", subject); freez(subject); return NULL; } - segments = ssplit(subject, "?&", url_segments, max_segments, 1, 1); + segments = ssplit(subject, "?&", url_segments, max_segments); while (segments-- > 0) { @@ -1708,7 +1692,7 @@ static char *pcrs_filter_response(struct client_state *csp) csp->flags |= CSP_FLAG_MODIFIED; csp->content_length = size; - IOB_RESET(csp); + clear_iob(csp->iob); return(new); @@ -2146,7 +2130,7 @@ const static struct forward_spec *get_forward_override_settings(struct client_st return NULL; } - vec_count = ssplit(forward_settings, " \t", vec, SZ(vec), 1, 1); + vec_count = ssplit(forward_settings, " \t", vec, SZ(vec)); if ((vec_count == 2) && !strcasecmp(vec[0], "forward")) { fwd->type = SOCKS_NONE;