X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=jcc.c;h=cee160122429d362256c6c5ba7518ee82e4a04ab;hp=338bc472d6b70948f75b5e1322b1e2fa11b049ce;hb=4b33fba4bc8cd2ea8ef4f07fdc5a0c465facfcf8;hpb=b7aeaf4766be017ca4f5dca7207531c3e382737d diff --git a/jcc.c b/jcc.c index 338bc472..cee16012 100644 --- a/jcc.c +++ b/jcc.c @@ -1,4 +1,4 @@ -const char jcc_rcs[] = "$Id: jcc.c,v 1.50 2001/10/25 03:40:48 david__schmidt Exp $"; +const char jcc_rcs[] = "$Id: jcc.c,v 1.60 2001/12/30 14:07:32 steudten Exp $"; /********************************************************************* * * File : $Source: /cvsroot/ijbswa/current/jcc.c,v $ @@ -33,6 +33,49 @@ const char jcc_rcs[] = "$Id: jcc.c,v 1.50 2001/10/25 03:40:48 david__schmidt Exp * * Revisions : * $Log: jcc.c,v $ + * Revision 1.60 2001/12/30 14:07:32 steudten + * - Add signal handling (unix) + * - Add SIGHUP handler (unix) + * - Add creation of pidfile (unix) + * - Add action 'top' in rc file (RH) + * - Add entry 'SIGNALS' to manpage + * - Add exit message to logfile (unix) + * + * Revision 1.59 2001/12/13 14:07:18 oes + * Fixed Bug: 503 error page now sent OK + * + * Revision 1.58 2001/11/30 23:37:24 jongfoster + * Renaming the Win32 config file to config.txt - this is almost the + * same as the corresponding UNIX name "config" + * + * Revision 1.57 2001/11/16 00:47:43 jongfoster + * Changing the tty-disconnection code to use setsid(). + * + * Revision 1.56 2001/11/13 20:20:54 jongfoster + * Tabs->spaces, fixing a bug with missing {} around an if() + * + * Revision 1.55 2001/11/13 20:14:53 jongfoster + * Patch for FreeBSD setpgrp() as suggested by Alexander Lazic + * + * Revision 1.54 2001/11/07 00:03:14 steudten + * Give reliable return value if an error + * occurs not just 0 with new daemon mode. + * + * Revision 1.53 2001/11/05 21:41:43 steudten + * Add changes to be a real daemon just for unix os. + * (change cwd to /, detach from controlling tty, set + * process group and session leader to the own process. + * Add DBG() Macro. + * Add some fatal-error log message for failed malloc(). + * Add '-d' if compiled with 'configure --with-debug' to + * enable debug output. + * + * Revision 1.52 2001/10/26 20:11:20 jongfoster + * Fixing type mismatch + * + * Revision 1.51 2001/10/26 17:38:28 oes + * Cosmetics + * * Revision 1.50 2001/10/25 03:40:48 david__schmidt * Change in porting tactics: OS/2's EMX porting layer doesn't allow multiple * threads to call select() simultaneously. So, it's time to do a real, live, @@ -376,6 +419,12 @@ const char jcc_rcs[] = "$Id: jcc.c,v 1.50 2001/10/25 03:40:48 david__schmidt Exp # endif /* ndef __OS2__ */ # include # include +# include + +#ifdef sun +#include +#endif /* sun */ + # include # ifdef __BEOS__ @@ -398,6 +447,10 @@ const char jcc_rcs[] = "$Id: jcc.c,v 1.50 2001/10/25 03:40:48 david__schmidt Exp #endif +#ifdef _DEBUG +int ldebug = 0; +#endif + #include "project.h" #include "list.h" #include "jcc.h" @@ -412,6 +465,7 @@ const char jcc_rcs[] = "$Id: jcc.c,v 1.50 2001/10/25 03:40:48 david__schmidt Exp #include "actions.h" #include "cgi.h" #include "loadcfg.h" +#include "urlmatch.h" const char jcc_h_rcs[] = JCC_H_VERSION; const char project_h_rcs[] = PROJECT_H_VERSION; @@ -419,6 +473,8 @@ const char project_h_rcs[] = PROJECT_H_VERSION; struct client_state clients[1]; struct file_list files[1]; +short int MustReload = 0; + #ifdef FEATURE_STATISTICS int urls_read = 0; /* total nr of urls read inc rejected */ int urls_rejected = 0; /* total nr of urls rejected */ @@ -445,6 +501,9 @@ static int32 server_thread(void *data); #define sleep(N) DosSleep(((N) * 100)) #endif +#if defined(unix) +const char *basedir; +#endif /* defined unix */ /* The vanilla wafer. */ static const char VANILLA_WAFER[] = @@ -457,6 +516,44 @@ static const char VANILLA_WAFER[] = "(copyright_or_otherwise)_applying_to_any_cookie._"; +#if !defined(_WIN32) && !defined(__OS2__) +/********************************************************************* + * + * Function : SIG_handler + * + * Description : Signal handler for different signals. + * see man kill, signal .. + * + * Parameters : + * 1 : signal - the signal cause this function to call + * + * Returns : - + * + *********************************************************************/ +static void SIG_handler( int signal ) +{ + switch( signal ) + { + case SIGHUP: + MustReload = 1; + break; + case SIGTERM: + log_error(LOG_LEVEL_INFO, "exiting by signal %d .. bye", signal); + +#if defined(unix) + deletePidFile(); +#endif /* unix */ + + exit( signal ); + break; + + default: + /* want to exit jb so use FATAL */ + log_error(LOG_LEVEL_FATAL, "SIG_handler: receive signal %d without handler.", signal); + } + return; +} +#endif /********************************************************************* * * Function : chat @@ -748,13 +845,13 @@ static void chat(struct client_state *csp) if ( /* a CGI call was detected and answered */ - (NULL != (rsp = dispatch_cgi(csp))) + (NULL != (rsp = dispatch_cgi(csp))) /* or we are enabled and... */ || (IS_ENABLED_AND ( /* ..the request was blocked */ - ( NULL != (rsp = block_url(csp))) + ( NULL != (rsp = block_url(csp))) /* ..or untrusted */ #ifdef FEATURE_TRUST @@ -764,14 +861,14 @@ static void chat(struct client_state *csp) /* ..or a fast redirect kicked in */ #ifdef FEATURE_FAST_REDIRECTS || (((csp->action->flags & ACTION_FAST_REDIRECTS) != 0) && - (NULL != (rsp = redirect_url(csp)))) + (NULL != (rsp = redirect_url(csp)))) #endif /* def FEATURE_FAST_REDIRECTS */ - )) - ) + )) + ) { /* Write the answer to the client */ if ((write_socket(csp->cfd, rsp->head, rsp->head_length) != rsp->head_length) - || (write_socket(csp->cfd, rsp->body, rsp->content_length) != rsp->content_length)) + || (write_socket(csp->cfd, rsp->body, rsp->content_length) != rsp->content_length)) { log_error(LOG_LEVEL_ERROR, "write to: %s failed: %E", http->host); } @@ -813,24 +910,25 @@ static void chat(struct client_state *csp) if (errno == EINVAL) { - rsp = error_response(csp, "no-such-domain", errno); + rsp = error_response(csp, "no-such-domain", errno); log_error(LOG_LEVEL_CLF, "%s - - [%T] \"%s\" 404 0", csp->ip_addr_str, http->cmd); } else { - rsp = error_response(csp, "connect-failed", errno); + rsp = error_response(csp, "connect-failed", errno); log_error(LOG_LEVEL_CLF, "%s - - [%T] \"%s\" 503 0", csp->ip_addr_str, http->cmd); } + /* Write the answer to the client */ if(rsp) - { + { if ((write_socket(csp->cfd, rsp->head, rsp->head_length) != rsp->head_length) - || (write_socket(csp->cfd, rsp->body, rsp->content_length) != rsp->content_length)) + || (write_socket(csp->cfd, rsp->body, rsp->content_length) != rsp->content_length)) { log_error(LOG_LEVEL_ERROR, "write to: %s failed: %E", http->host); } @@ -866,8 +964,8 @@ static void chat(struct client_state *csp) if(rsp) { - if ((write_socket(csp->cfd, rsp->head, n) != n) - || (write_socket(csp->cfd, rsp->body, rsp->content_length) != rsp->content_length)) + if ((write_socket(csp->cfd, rsp->head, rsp->head_length) != rsp->head_length) + || (write_socket(csp->cfd, rsp->body, rsp->content_length) != rsp->content_length)) { log_error(LOG_LEVEL_ERROR, "write to: %s failed: %E", http->host); } @@ -967,11 +1065,11 @@ static void chat(struct client_state *csp) if(rsp) { if ((write_socket(csp->cfd, rsp->head, rsp->head_length) != rsp->head_length) - || (write_socket(csp->cfd, rsp->body, rsp->content_length) != rsp->content_length)) + || (write_socket(csp->cfd, rsp->body, rsp->content_length) != rsp->content_length)) { log_error(LOG_LEVEL_ERROR, "write to: %s failed: %E", http->host); - } - } + } + } free_http_response(rsp); return; @@ -1080,7 +1178,7 @@ static void chat(struct client_state *csp) * switch to non-filtering mode, i.e. make & write the * header, flush the socket and get out of the way. */ - if (csp->iob->eod - csp->iob->buf + BUFFER_SIZE > csp->config->buffer_limit) + if (((size_t)(csp->iob->eod - csp->iob->buf)) + (size_t)BUFFER_SIZE > csp->config->buffer_limit) { log_error(LOG_LEVEL_ERROR, "Buffer size limit reached! Flushing and stepping back."); @@ -1343,13 +1441,15 @@ int real_main(int argc, const char *argv[]) int main(int argc, const char *argv[]) #endif { + int argc_pos = 1; + configfile = #ifdef AMIGA "AmiTCP:db/junkbuster/config" #elif !defined(_WIN32) "config" #else - "junkbstr.txt" + "config.txt" #endif ; @@ -1368,15 +1468,51 @@ int main(int argc, const char *argv[]) printf(VERSION "\n"); exit(2); } +#ifdef _DEBUG + if ((argc >= 2) && (strcmp(argv[1], "-d")==0)) + { + ldebug++; + argc_pos++; + fprintf(stderr,"debugging enabled..\n"); + } +#endif /* _DEBUG */ #endif /* !defined(_WIN32) || defined(_WIN_CONSOLE) */ Argc = argc; Argv = argv; - if (argc > 1) + if (argc > argc_pos ) { - configfile = argv[1]; + configfile = argv[argc_pos]; + } + +#if defined(unix) + if ( *configfile != '/' ) + { + char *abs_file; + + DBG(1, ("configfile before '%s'\n",configfile) ); + + /* make config-filename absolute here */ + if ( !(basedir = getcwd( NULL, 1024 ))) + { + perror("get working dir failed"); + exit( 1 ); + } + DBG(1, ("working dir '%s'\n",basedir) ); + if ( !(abs_file = malloc( strlen( basedir ) + strlen( configfile ) + 5 ))) + { + perror("malloc failed"); + exit( 1 ); + } + strcpy( abs_file, basedir ); + strcat( abs_file, "/" ); + strcat( abs_file, configfile ); + configfile = abs_file; + DBG(1, ("configfile after '%s'\n",configfile) ); } +#endif /* defined unix */ + files->next = NULL; @@ -1388,8 +1524,44 @@ int main(int argc, const char *argv[]) #if !defined(_WIN32) && !defined(__OS2__) - signal(SIGPIPE, SIG_IGN); - signal(SIGCHLD, SIG_IGN); +{ + int sig; + struct sigaction action; + + for ( sig = 1; sig < 16; sig++ ) + { + switch( sig ) + { + case 9: + case SIGPIPE: + case SIGCHLD: + case SIGHUP: + continue; + } + if ( signal(sig, SIG_handler) == SIG_ERR ) + log_error(LOG_LEVEL_FATAL, "Can't set signal-handler for signal %d: %E", sig); + } + /* SIG_IGN */ + if ( signal(SIGPIPE, SIG_IGN) == SIG_ERR ) + log_error(LOG_LEVEL_FATAL, "Can't set SIG_IGN to SIGPIPE: %E"); + if ( signal(SIGCHLD, SIG_IGN) == SIG_ERR ) + log_error(LOG_LEVEL_FATAL, "Can't set SIG_IGN to SIGCHLD: %E"); + /* log file reload */ + if (!sigaction(SIGHUP,NULL,&action)) + { + action.sa_handler = &SIG_handler; + action.sa_flags = SA_RESTART; + + if ( sigaction(SIGHUP,&action,NULL)) + log_error(LOG_LEVEL_FATAL, "Can't set signal-handler for signal SIGHUP: %E"); + } + else + { + perror("sigaction"); + log_error(LOG_LEVEL_FATAL, "Can't get sigaction data for signal SIGHUP"); + } + +} #else /* ifdef _WIN32 */ # ifdef _WIN_CONSOLE @@ -1405,6 +1577,80 @@ int main(int argc, const char *argv[]) /* Initialize the CGI subsystem */ cgi_init_error_messages(); +#if defined(unix) +{ + pid_t pid = 0; +#if 0 + int fd; +#endif + + /* + * we make us a real daemon + */ +#ifdef _DEBUG + if ( !ldebug) +#endif + pid = fork(); + if ( pid < 0 ) /* error */ + { + perror("fork"); + exit( 3 ); + } + else if ( pid != 0 ) /* parent */ + { + int status; + pid_t wpid; + /* + * must check for errors + * child died due to missing files aso + */ + sleep( 1 ); + wpid = waitpid( pid, &status, WNOHANG ); + if ( wpid != 0 ) + { + exit( 1 ); + } + exit( 0 ); + } + /* child */ +#if 1 + /* Should be more portable, but not as well tested */ + setsid(); +#else /* !1 */ +#ifdef __FreeBSD__ + setpgrp(0,0); +#else /* ndef __FreeBSD__ */ + setpgrp(); +#endif /* ndef __FreeBSD__ */ + fd = open("/dev/tty", O_RDONLY); + if ( fd ) + { + /* no error check here */ + ioctl( fd, TIOCNOTTY,0 ); + close ( fd ); + } +#endif /* !1 */ + /* should close stderr (fd 2) here too, but the test for existence + ** and load config file is done in listen_loop() and puts + ** some messages on stderr there. + */ +#ifdef _DEBUG + if ( !ldebug ) + { + close( 0 ); + close( 1 ); + } +#else + close( 0 ); + close( 1 ); +#endif /* _DEBUG */ + chdir("/"); + + writePidFile(); +} +#endif /* defined unix */ + + DBG(1, ("call listen_loop() \n") ); listen_loop(); /* NOTREACHED */ @@ -1451,7 +1697,6 @@ static void listen_loop(void) config->need_bind = 0; - while (FOREVER) { #if !defined(FEATURE_PTHREAD) && !defined(_WIN32) && !defined(__BEOS__) && !defined(AMIGA) && !defined(__OS2__)