X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=jcc.c;h=cd0f26dcc6e06e74b73a7da3b149a207d07d314b;hp=75e48a29d07e780070206d9a3b9c5a5ba023864f;hb=6c1d5f438027433d791199795dcedef5509452ac;hpb=f95122885a6ff906b7273f204bb1ef048667c896 diff --git a/jcc.c b/jcc.c index 75e48a29..cd0f26dc 100644 --- a/jcc.c +++ b/jcc.c @@ -1,4 +1,4 @@ -const char jcc_rcs[] = "$Id: jcc.c,v 1.10 2001/05/26 15:26:15 jongfoster Exp $"; +const char jcc_rcs[] = "$Id: jcc.c,v 1.18 2001/06/03 11:03:48 oes Exp $"; /********************************************************************* * * File : $Source: /cvsroot/ijbswa/current/jcc.c,v $ @@ -33,6 +33,117 @@ const char jcc_rcs[] = "$Id: jcc.c,v 1.10 2001/05/26 15:26:15 jongfoster Exp $"; * * Revisions : * $Log: jcc.c,v $ + * Revision 1.18 2001/06/03 11:03:48 oes + * Makefile/in + * + * introduced cgi.c + * + * actions.c: + * + * adapted to new enlist_unique arg format + * + * conf loadcfg.c + * + * introduced confdir option + * + * filters.c filtrers.h + * + * extracted-CGI relevant stuff + * + * jbsockets.c + * + * filled comment + * + * jcc.c + * + * support for new cgi mechansim + * + * list.c list.h + * + * functions for new list type: "map" + * extended enlist_unique + * + * miscutil.c .h + * introduced bindup() + * + * parsers.c parsers.h + * + * deleted const struct interceptors + * + * pcrs.c + * added FIXME + * + * project.h + * + * added struct map + * added struct http_response + * changes struct interceptors to struct cgi_dispatcher + * moved HTML stuff to cgi.h + * + * re_filterfile: + * + * changed + * + * showargs.c + * NO TIME LEFT + * + * Revision 1.17 2001/06/01 20:07:23 jongfoster + * Now uses action +image-blocker{} rather than config->tinygif + * + * Revision 1.16 2001/06/01 18:49:17 jongfoster + * Replaced "list_share" with "list" - the tiny memory gain was not + * worth the extra complexity. + * + * Revision 1.15 2001/05/31 21:24:47 jongfoster + * Changed "permission" to "action" throughout. + * Removed DEFAULT_USER_AGENT - it must now be specified manually. + * Moved vanilla wafer check into chat(), since we must now + * decide whether or not to add it based on the URL. + * + * Revision 1.14 2001/05/29 20:14:01 joergs + * AmigaOS bugfix: PCRS needs a lot of stack, stacksize for child threads + * increased. + * + * Revision 1.13 2001/05/29 09:50:24 jongfoster + * Unified blocklist/imagelist/permissionslist. + * File format is still under discussion, but the internal changes + * are (mostly) done. + * + * Also modified interceptor behaviour: + * - We now intercept all URLs beginning with one of the following + * prefixes (and *only* these prefixes): + * * http://i.j.b/ + * * http://ijbswa.sf.net/config/ + * * http://ijbswa.sourceforge.net/config/ + * - New interceptors "home page" - go to http://i.j.b/ to see it. + * - Internal changes so that intercepted and fast redirect pages + * are not replaced with an image. + * - Interceptors now have the option to send a binary page direct + * to the client. (i.e. ijb-send-banner uses this) + * - Implemented show-url-info interceptor. (Which is why I needed + * the above interceptors changes - a typical URL is + * "http://i.j.b/show-url-info?url=www.somesite.com/banner.gif". + * The previous mechanism would not have intercepted that, and + * if it had been intercepted then it then it would have replaced + * it with an image.) + * + * Revision 1.12 2001/05/27 22:17:04 oes + * + * - re_process_buffer no longer writes the modified buffer + * to the client, which was very ugly. It now returns the + * buffer, which it is then written by chat. + * + * - content_length now adjusts the Content-Length: header + * for modified documents rather than crunch()ing it. + * (Length info in csp->content_length, which is 0 for + * unmodified documents) + * + * - For this to work, sed() is called twice when filtering. + * + * Revision 1.11 2001/05/26 17:27:53 jongfoster + * Added support for CLF and fixed LOG_LEVEL_LOG. + * Also did CRLF->LF fix of my previous patch. + * * Revision 1.10 2001/05/26 15:26:15 jongfoster * ACL feature now provides more security by immediately dropping * connections from untrusted hosts. @@ -170,6 +281,7 @@ const char jcc_rcs[] = "$Id: jcc.c,v 1.10 2001/05/26 15:26:15 jongfoster Exp $"; #endif #include "project.h" +#include "list.h" #include "jcc.h" #include "filters.h" #include "loaders.h" @@ -180,12 +292,12 @@ const char jcc_rcs[] = "$Id: jcc.c,v 1.10 2001/05/26 15:26:15 jongfoster Exp $"; #include "errlog.h" #include "jbsockets.h" #include "gateway.h" +#include "actions.h" +#include "cgi.h" const char jcc_h_rcs[] = JCC_H_VERSION; const char project_h_rcs[] = PROJECT_H_VERSION; -const char DEFAULT_USER_AGENT[] ="User-Agent: Mozilla (X11; I; Linux 2.0.32 i586)"; - struct client_state clients[1]; struct file_list files[1]; @@ -212,6 +324,17 @@ static int32 server_thread(void *data); #endif +/* The vanilla wafer. */ +static const char VANILLA_WAFER[] = + "NOTICE=TO_WHOM_IT_MAY_CONCERN_" + "Do_not_send_me_any_copyrighted_information_other_than_the_" + "document_that_I_am_requesting_or_any_of_its_necessary_components._" + "In_particular_do_not_send_me_any_cookies_that_" + "are_subject_to_a_claim_of_copyright_by_anybody._" + "Take_notice_that_I_refuse_to_be_bound_by_any_license_condition_" + "(copyright_or_otherwise)_applying_to_any_cookie._"; + + /********************************************************************* * * Function : chat @@ -235,21 +358,23 @@ static int32 server_thread(void *data); *********************************************************************/ static void chat(struct client_state *csp) { -/* This next line is a little ugly, but it simplifies the if statement below. */ -/* Basically if TOGGLE, then we want the if to test "csp->toggled_on", else we don't */ +/* + * This next lines are a little ugly, but they simplifies the if statements below. + * Basically if TOGGLE, then we want the if to test "csp->toggled_on", else we don't + * And if FORCE_LOAD, then we want the if to test "csp->toggled_on", else we don't + */ #ifdef TOGGLE -# define IS_TOGGLED_ON csp->toggled_on && +# define IS_TOGGLED_ON_AND (csp->toggled_on) && #else /* ifndef TOGGLE */ -# define IS_TOGGLED_ON +# define IS_TOGGLED_ON_AND #endif /* ndef TOGGLE */ +#ifdef FORCE_LOAD +# define IS_NOT_FORCED_AND (!csp->force) && +#else /* ifndef TOGGLE */ +# define IS_NOT_FORCED_AND +#endif /* def FORCE_LOAD */ -/* This next line is a little ugly, but it simplifies the if statement below. */ -/* Basically if TRUST_FILES, then we want the if to call "trust_url", else we don't */ -#ifdef TRUST_FILES -# define IS_TRUSTED_URL (p = trust_url(http, csp)) || -#else /* ifndef TRUST_FILES */ -# define IS_TRUSTED_URL -#endif /* ndef TRUST_FILES */ +#define IS_ENABLED_AND IS_TOGGLED_ON_AND IS_NOT_FORCED_AND char buf[BUFSIZ], *hdr, *p, *req; char *err = NULL; @@ -268,6 +393,7 @@ static void chat(struct client_state *csp) int pcrs_filter; /* bool, 1==will filter through pcrs */ int filtering = 0; /* bool, 1==currently filtering through pcrs */ #endif /* def PCRS */ + struct http_response *rsp; http = csp->http; @@ -387,23 +513,35 @@ static void chat(struct client_state *csp) #ifdef TOGGLE if (!csp->toggled_on) { - /* Most compatible set of permissions */ - csp->permissions = PERMIT_COOKIE_SET | PERMIT_COOKIE_READ | PERMIT_POPUPS; + /* Most compatible set of actions (i.e. none) */ + init_current_action(csp->action); } else +#endif /* ndef TOGGLE */ { - csp->permissions = url_permissions(http, csp); + url_actions(http, csp); } -#else /* ifndef TOGGLE */ - csp->permissions = url_permissions(http, csp); -#endif /* ndef TOGGLE */ + +#ifdef JAR_FILES + /* + * If we're logging cookies in a cookie jar, and the user has not + * supplied any wafers, and the user has not told us to suppress the + * vanilla wafer, then send the vanilla wafer. + */ + if ((csp->config->jarfile != NULL) + && (csp->action->multi[ACTION_MULTI_WAFER]->next == NULL) + && ((csp->action->flags & ACTION_VANILLA_WAFER) != 0)) + { + enlist(csp->action->multi[ACTION_MULTI_WAFER], VANILLA_WAFER); + } +#endif /* def JAR_FILES */ #ifdef KILLPOPUPS - block_popups = ((csp->permissions & PERMIT_POPUPS) == 0); + block_popups = ((csp->action->flags & ACTION_NO_POPUPS) != 0); #endif /* def KILLPOPUPS */ #ifdef PCRS pcrs_filter = (csp->rlist != NULL) && /* There are expressions to be used */ - ((csp->permissions & PERMIT_RE_FILTER) != 0); + ((csp->action->flags & ACTION_FILTER) != 0); #endif /* def PCRS */ @@ -439,18 +577,58 @@ static void chat(struct client_state *csp) * we're toggled off or in force mode. */ - if (IS_TOGGLED_ON -#ifdef FORCE_LOAD - (!csp->force) && -#endif /* def FORCE_LOAD */ - ( (p = intercept_url(http, csp)) || - IS_TRUSTED_URL - (p = block_url(http, csp)) + if (NULL != (rsp = cgi_dispatch(csp))) + { + if(0 != (n = make_http_response(rsp))) + { + if ((write_socket(csp->cfd, rsp->head, n) != n) + || (write_socket(csp->cfd, rsp->body, rsp->content_length) != rsp->content_length)) + { + log_error(LOG_LEVEL_ERROR, "write to: %s failed: %E", http->host); + } + } + + +#ifdef STATISTICS + csp->rejected = 1; +#endif /* def STATISTICS */ + + free_http_response(rsp); + freez(hdr); + return; + } + #ifdef FAST_REDIRECTS - || (csp->config->fast_redirects && (p = redirect_url(http, csp))) + else if (IS_ENABLED_AND + ((csp->action->flags & ACTION_FAST_REDIRECTS) != 0) && + (p = redirect_url(http, csp))) + { + /* This must be blocked as HTML */ +#ifdef STATISTICS + csp->rejected = 1; +#endif /* def STATISTICS */ + + log_error(LOG_LEVEL_GPC, "%s%s crunch!", http->hostport, http->path); + + log_error(LOG_LEVEL_CLF, "%s - - [%T] \"%s\" 200 3", + csp->ip_addr_str, http->cmd); + + /* Send HTML redirection result */ + write_socket(csp->cfd, p, strlen(p)); + + freez(p); + freez(hdr); + return; + } #endif /* def FAST_REDIRECTS */ - )) + + else if (IS_ENABLED_AND ( +#ifdef TRUST_FILES + (p = trust_url(http, csp)) || +#endif /* def TRUST_FILES */ + (p = block_url(http, csp)) )) { + /* Block as HTML or image */ #ifdef STATISTICS csp->rejected = 1; #endif /* def STATISTICS */ @@ -460,40 +638,38 @@ static void chat(struct client_state *csp) log_error(LOG_LEVEL_CLF, "%s - - [%T] \"%s\" 200 1", csp->ip_addr_str, http->cmd); -#if defined(DETECT_MSIE_IMAGES) || defined(USE_IMAGE_LIST) +#ifdef IMAGE_BLOCKING /* Block as image? */ - if ( (csp->config->tinygif > 0) && block_imageurl(http, csp) ) + if ( ((csp->action->flags & ACTION_IMAGE_BLOCKER) != 0) + && block_imageurl(http, csp) ) { /* Send "blocked" image */ - log_error(LOG_LEVEL_GPC, "%s%s image crunch!", - http->hostport, http->path); + const char * blocker = csp->action->string[ACTION_STRING_IMAGE_BLOCKER]; - if ((csp->config->tinygif == 2) || strstr(http->path, "ijb-send-banner")) + log_error(LOG_LEVEL_GPC, "%s%s image crunch! --> %s", + http->hostport, http->path, (blocker ? blocker : "logo")); + + if ((blocker == NULL) || (0 == strcmpic(blocker, "logo"))) { write_socket(csp->cfd, JBGIF, sizeof(JBGIF)-1); } - else if (csp->config->tinygif == 1) + else if (0 == strcmpic(blocker, "blank")) { write_socket(csp->cfd, BLANKGIF, sizeof(BLANKGIF)-1); } - else if ((csp->config->tinygif == 3) && (csp->config->tinygifurl)) + else { freez(p); - p = (char *)malloc(sizeof(HTTP_REDIRECT_TEMPLATE) - + strlen(csp->config->tinygifurl)); - sprintf(p, HTTP_REDIRECT_TEMPLATE, csp->config->tinygifurl); + p = (char *)malloc(sizeof(HTTP_REDIRECT_TEMPLATE) + strlen(blocker)); + sprintf(p, HTTP_REDIRECT_TEMPLATE, blocker); write_socket(csp->cfd, p, strlen(p)); } - else - { - write_socket(csp->cfd, JBGIF, sizeof(JBGIF)-1); - } } else -#endif /* defined(DETECT_MSIE_IMAGES) || defined(USE_IMAGE_LIST) */ +#endif /* def IMAGE_BLOCKING */ /* Block as HTML */ { - /* Send HTML "blocked" message, interception, or redirection result */ + /* Send HTML "blocked" message */ write_socket(csp->cfd, p, strlen(p)); } @@ -708,7 +884,17 @@ static void chat(struct client_state *csp) #ifdef PCRS if (filtering) { - re_process_buffer(csp); + p = re_process_buffer(csp); + hdr = sed(server_patterns, add_server_headers, csp); + n = strlen(hdr); + if ((write_socket(csp->cfd, hdr, n) != n) + || (write_socket(csp->cfd, p, csp->content_length) != csp->content_length)) + { + log_error(LOG_LEVEL_CONNECT, "write modified content to client failed: %E"); + return; + } + freez(hdr); + freez(p); } #endif /* def PCRS */ break; /* "game over, man" */ @@ -819,7 +1005,7 @@ static void chat(struct client_state *csp) if (csp->is_text && /* It's a text / * MIME-Type */ !http->ssl && /* We talk plaintext */ - block_popups) + block_popups) /* Policy allows */ { block_popups_now = 1; } @@ -846,8 +1032,8 @@ static void chat(struct client_state *csp) #endif /* def PCRS */ - if ((write_socket(csp->cfd, hdr, n) != n) - || (NOT_FILTERING_AND (n = flush_socket(csp->cfd, csp) < 0))) + if (NOT_FILTERING_AND ((write_socket(csp->cfd, hdr, n) != n) + || (n = flush_socket(csp->cfd, csp) < 0))) { log_error(LOG_LEVEL_CONNECT, "write header to client failed: %E"); @@ -974,7 +1160,7 @@ int main(int argc, const char *argv[]) { configfile = #ifdef AMIGA - "AmiTCP:db/junkbuster.config" + "AmiTCP:db/junkbuster/config" #elif !defined(_WIN32) "config" #else @@ -999,10 +1185,6 @@ int main(int argc, const char *argv[]) } #endif /* !defined(_WIN32) || defined(_WIN_CONSOLE) */ -#ifdef AMIGA - InitAmiga(); -#endif - Argc = argc; Argv = argv; @@ -1013,7 +1195,9 @@ int main(int argc, const char *argv[]) files->next = NULL; -#ifdef _WIN32 +#ifdef AMIGA + InitAmiga(); +#elif defined(_WIN32) InitWin32(); #endif @@ -1090,7 +1274,7 @@ static void listen_loop(void) #endif /* !defined(_WIN32) && !defined(__BEOS__) && !defined(AMIGA) */ sweep(); - if ( NULL == (csp = (struct client_state *) malloc(sizeof(*csp))) ) + if ( NULL == (csp = (struct client_state *) zalloc(sizeof(*csp))) ) { log_error(LOG_LEVEL_FATAL, "malloc(%d) for csp failed: %E", sizeof(*csp)); continue; @@ -1222,7 +1406,7 @@ static void listen_loop(void) NP_Output, Output(), NP_CloseOutput, FALSE, NP_Name, (ULONG)"junkbuster child", - NP_StackSize, 20*1024, + NP_StackSize, 200*1024, TAG_DONE))) { childs++;