-const char jcc_rcs[] = "$Id: jcc.c,v 1.52 2001/10/26 20:11:20 jongfoster Exp $";
+const char jcc_rcs[] = "$Id: jcc.c,v 1.75 2002/03/06 10:02:19 oes Exp $";
/*********************************************************************
*
* File : $Source: /cvsroot/ijbswa/current/jcc.c,v $
*
* Revisions :
* $Log: jcc.c,v $
+ * Revision 1.75 2002/03/06 10:02:19 oes
+ * Fixed stupid bug when --user was not given
+ *
+ * Revision 1.74 2002/03/06 00:49:31 jongfoster
+ * Fixing warning on Windows
+ * Making #ifdefs that refer to the same variable consistently
+ * use #ifdef unix rather than mixing #ifdef unix & #ifndef OS2
+ *
+ * Revision 1.73 2002/03/05 23:57:30 hal9
+ * Stray character 's' on line 1618 was breaking build.
+ *
+ * Revision 1.72 2002/03/05 21:33:45 david__schmidt
+ * - Re-enable OS/2 building after new parms were added
+ * - Fix false out of memory report when resolving CGI templates when no IP
+ * address is available of failed attempt (a la no such domain)
+ *
+ * Revision 1.71 2002/03/05 18:13:56 oes
+ * Added --user option
+ *
+ * Revision 1.70 2002/03/05 04:52:42 oes
+ * Deleted non-errlog debugging code
+ *
+ * Revision 1.69 2002/03/04 23:50:00 jongfoster
+ * Splitting off bind_port() call into bind_port_helper(), with
+ * improved logging.
+ *
+ * Revision 1.68 2002/03/04 20:17:32 oes
+ * Fixed usage info
+ *
+ * Revision 1.67 2002/03/04 18:18:57 oes
+ * - Removed _DEBUG mode
+ * - Cleand up cmdline parsing
+ * - Introduced --no-daemon, --pidfile options
+ * - Cleaned up signal handling:
+ * - Terminate cleanly on INT, TERM and ABRT
+ * - Schedule logfile for re-opening on HUP
+ * - Ignore CHLD and PIPE
+ * - Leave the rest with their default handlers
+ * - Uniform handler registration
+ * - Added usage() function
+ * - Played styleguide police
+ *
+ * Revision 1.66 2002/03/03 15:06:55 oes
+ * Re-enabled automatic config reloading
+ *
+ * Revision 1.65 2002/03/03 14:49:11 oes
+ * Fixed CLF logging: Now uses client's original HTTP request
+ *
+ * Revision 1.64 2002/03/03 09:18:03 joergs
+ * Made jumbjuster work on AmigaOS again.
+ *
+ * Revision 1.63 2002/03/02 04:14:50 david__schmidt
+ * Clean up a little CRLF unpleasantness that suddenly appeared
+ *
+ * Revision 1.62 2002/02/20 23:17:23 jongfoster
+ * Detecting some out-of memory conditions and exiting with a log message.
+ *
+ * Revision 1.61 2002/01/17 21:01:52 jongfoster
+ * Moving all our URL and URL pattern parsing code to urlmatch.c.
+ *
+ * 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
*
#include <sys/termios.h>
#endif /* sun */
+#ifdef unix
+#include <pwd.h>
+#endif
+
# include <signal.h>
# ifdef __BEOS__
#endif
-#ifdef _DEBUG
-int ldebug = 0;
-#endif
-
#include "project.h"
#include "list.h"
#include "jcc.h"
#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;
+int no_daemon = 0;
struct client_state clients[1];
struct file_list files[1];
#if defined(unix)
const char *basedir;
+const char *pidfile = NULL;
+int received_hup_signal = 0;
#endif /* defined unix */
/* The vanilla wafer. */
"(copyright_or_otherwise)_applying_to_any_cookie._";
+#if !defined(_WIN32) && !defined(__OS2__) && !defined(AMIGA)
+/*********************************************************************
+ *
+ * Function : sig_handler
+ *
+ * Description : Signal handler for different signals.
+ * Exit gracefully on ABRT, TERM and INT
+ * or set a flag that will cause the errlog
+ * to be reopened by the main thread on HUP.
+ *
+ * Parameters :
+ * 1 : the_signal = the signal cause this function to call
+ *
+ * Returns : -
+ *
+ *********************************************************************/
+static void sig_handler(int the_signal)
+{
+ switch(the_signal)
+ {
+ case SIGABRT:
+ case SIGTERM:
+ case SIGINT:
+ log_error(LOG_LEVEL_INFO, "exiting by signal %d .. bye", the_signal);
+#if defined(unix)
+ unlink(pidfile);
+#endif /* unix */
+ exit(the_signal);
+ break;
+
+ case SIGHUP:
+ received_hup_signal = 1;
+ break;
+
+ default:
+ /*
+ * We shouldn't be here, unless we catch signals
+ * in main() that we can't handle here!
+ */
+ log_error(LOG_LEVEL_FATAL, "sig_handler: exiting on unexpected signal %d", the_signal);
+ }
+ return;
+
+}
+#endif
+
+
/*********************************************************************
*
* Function : chat
* Downgrade http version from 1.1 to 1.0 if +downgrade
* action applies
*/
- if (!strcmpic(http->ver, "HTTP/1.1") && csp->action->flags & ACTION_DOWNGRADE)
+ if ( (http->ssl == 0)
+ && (!strcmpic(http->ver, "HTTP/1.1"))
+ && (csp->action->flags & ACTION_DOWNGRADE))
{
freez(http->ver);
http->ver = strdup("HTTP/1.0");
+
+ if (http->ver == NULL)
+ {
+ log_error(LOG_LEVEL_FATAL, "Out of memory downgrading HTTP version");
+ }
+ }
+
+ /*
+ * Save a copy of the original request for logging
+ */
+ http->ocmd = strdup(http->cmd);
+
+ if (http->ocmd == NULL)
+ {
+ log_error(LOG_LEVEL_FATAL, "Out of memory copying HTTP request line");
}
/*
{
freez(http->cmd);
- http->cmd = strsav(http->cmd, http->gpc);
- http->cmd = strsav(http->cmd, " ");
+ http->cmd = strdup(http->gpc);
+ string_append(&http->cmd, " ");
if (fwd->forward_host)
{
- http->cmd = strsav(http->cmd, http->url);
+ string_append(&http->cmd, http->url);
}
else
{
- http->cmd = strsav(http->cmd, http->path);
+ string_append(&http->cmd, http->path);
}
- http->cmd = strsav(http->cmd, " ");
- http->cmd = strsav(http->cmd, http->ver);
+ string_append(&http->cmd, " ");
+ string_append(&http->cmd, http->ver);
+ if (http->cmd == NULL)
+ {
+ log_error(LOG_LEVEL_FATAL, "Out of memory rewiting SSL command");
+ }
}
enlist(csp->headers, http->cmd);
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
/* ..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);
}
/* Log (FIXME: All intercept reasons apprear as "crunch" with Status 200) */
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);
+ log_error(LOG_LEVEL_CLF, "%s - - [%T] \"%s\" 200 3", csp->ip_addr_str, http->ocmd);
/* Clean up and return */
free_http_response(rsp);
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);
+ csp->ip_addr_str, http->ocmd);
}
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);
+ csp->ip_addr_str, http->ocmd);
}
+
/* 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);
}
log_error(LOG_LEVEL_CONNECT, "OK");
hdr = sed(client_patterns, add_client_headers, csp);
+ if (hdr == NULL)
+ {
+ /* FIXME Should handle error properly */
+ log_error(LOG_LEVEL_FATAL, "Out of memory parsing client header");
+ }
+
list_remove_all(csp->headers);
if (fwd->forward_host || (http->ssl == 0))
http->hostport);
log_error(LOG_LEVEL_CLF, "%s - - [%T] \"%s\" 503 0",
- csp->ip_addr_str, http->cmd);
+ csp->ip_addr_str, http->ocmd);
rsp = error_response(csp, "connect-failed", errno);
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);
}
* client, flush the rest, and get out of the way.
*/
log_error(LOG_LEVEL_CLF, "%s - - [%T] \"%s\" 200 2\n",
- csp->ip_addr_str, http->cmd);
+ csp->ip_addr_str, http->ocmd);
if (write_socket(csp->cfd, CSUCCEED, sizeof(CSUCCEED)-1) < 0)
{
log_error(LOG_LEVEL_ERROR, "read from: %s failed: %E", http->host);
log_error(LOG_LEVEL_CLF, "%s - - [%T] \"%s\" 503 0",
- csp->ip_addr_str, http->cmd);
+ csp->ip_addr_str, http->ocmd);
rsp = error_response(csp, "connect-failed", errno);
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;
}
hdr = sed(server_patterns, add_server_headers, csp);
+ if (hdr == NULL)
+ {
+ /* FIXME Should handle error properly */
+ log_error(LOG_LEVEL_FATAL, "Out of memory parsing server header");
+ }
+
n = strlen(hdr);
if ((write_socket(csp->cfd, hdr, n) != n)
log_error(LOG_LEVEL_ERROR, "Buffer size limit reached! Flushing and stepping back.");
hdr = sed(server_patterns, add_server_headers, csp);
+ if (hdr == NULL)
+ {
+ /* FIXME Should handle error properly */
+ log_error(LOG_LEVEL_FATAL, "Out of memory parsing server header");
+ }
+
n = strlen(hdr);
byte_count += n;
*/
hdr = sed(server_patterns, add_server_headers, csp);
+ if (hdr == NULL)
+ {
+ /* FIXME Should handle error properly */
+ log_error(LOG_LEVEL_FATAL, "Out of memory parsing server header");
+ }
+
n = strlen(hdr);
/* write the server's (modified) header to
}
log_error(LOG_LEVEL_CLF, "%s - - [%T] \"%s\" 200 %d",
- csp->ip_addr_str, http->cmd, byte_count);
+ csp->ip_addr_str, http->ocmd, byte_count);
}
#endif
+/*********************************************************************
+ *
+ * Function : usage
+ *
+ * Description : Print usage info & exit.
+ *
+ * Parameters : Pointer to argv[0] for identifying ourselves
+ *
+ * Returns : No. ,-)
+ *
+ *********************************************************************/
+void usage(const char *myname)
+{
+ printf("JunkBuster proxy version " VERSION " (" HOME_PAGE_URL ")\n"
+ "Usage: %s [--help] [--version] [--no-daemon] [--pidfile pidfile] [--user user] [configfile]\n"
+ "Aborting.\n", myname);
+
+ exit(2);
+
+}
+
+
/*********************************************************************
*
* Function : main
int main(int argc, const char *argv[])
#endif
{
- int argc_pos = 1;
+ int argc_pos = 0;
+#ifdef unix
+ struct passwd *pw = NULL;
+#endif
+
+ Argc = argc;
+ Argv = argv;
configfile =
-#ifdef AMIGA
- "AmiTCP:db/junkbuster/config"
-#elif !defined(_WIN32)
+#if !defined(_WIN32)
"config"
#else
- "junkbstr.txt"
+ "config.txt"
#endif
;
-#if !defined(_WIN32) || defined(_WIN_CONSOLE)
- if ((argc >= 2) && (strcmp(argv[1], "--help")==0))
- {
- printf("JunkBuster proxy version " VERSION ".\n\n"
- "Usage: %s [configfile]\n\n"
- "See " HOME_PAGE_URL " for details.\n"
- "This program is distributed under the GNU GPL, version 2 or later.\n",
- argv[0]);
- exit(2);
- }
- if ((argc >= 2) && (strcmp(argv[1], "--version")==0))
- {
- printf(VERSION "\n");
- exit(2);
- }
-#ifdef _DEBUG
- if ((argc >= 2) && (strcmp(argv[1], "-d")==0))
+ /*
+ * Parse the command line arguments
+ */
+ while (++argc_pos < argc)
{
- ldebug++;
- argc_pos++;
- fprintf(stderr,"debugging enabled..\n");
- }
-#endif /* _DEBUG */
-#endif /* !defined(_WIN32) || defined(_WIN_CONSOLE) */
+#if !defined(_WIN32) || defined(_WIN_CONSOLE)
- Argc = argc;
- Argv = argv;
+ if (strcmp(argv[argc_pos], "--help") == 0)
+ {
+ usage(argv[0]);
+ }
- if (argc > argc_pos )
- {
- configfile = argv[argc_pos];
- }
+ else if(strcmp(argv[argc_pos], "--version") == 0)
+ {
+ printf("Junkbuster version " VERSION " (" HOME_PAGE_URL ")\n");
+ exit(0);
+ }
+ else if (strcmp(argv[argc_pos], "--no-daemon" ) == 0)
+ {
+ no_daemon = 1;
+ }
#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");
- }
- 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) );
- }
+ else if (strcmp(argv[argc_pos], "--pidfile" ) == 0)
+ {
+ if (++argc_pos == argc) usage(argv[0]);
+ pidfile = strdup(argv[argc_pos]);
+ }
+
+ else if (strcmp(argv[argc_pos], "--user" ) == 0)
+ {
+ if (++argc_pos == argc) usage(argv[0]);
+ pw = getpwnam(argv[argc_pos]);
+
+ if (pw == NULL)
+ {
+ log_error(LOG_LEVEL_FATAL, "User %s not found.", argv[argc_pos]);
+ }
+ }
+#endif /* defined(unix) */
+ else
+#endif /* defined(_WIN32) && !defined(_WIN_CONSOLE) */
+ {
+ configfile = argv[argc_pos];
+ }
+
+ } /* -END- while (more arguments) */
+
+#if defined(unix)
+ if ( *configfile != '/' )
+ {
+ char *abs_file;
+
+ /* make config-filename absolute here */
+ if ( !(basedir = getcwd( NULL, 1024 )))
+ {
+ perror("get working dir failed");
+ exit( 1 );
+ }
+
+ 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;
+ }
#endif /* defined unix */
InitWin32();
#endif
+ /*
+ * Unix signal handling
+ *
+ * Catch the abort, interrupt and terminate signals for a graceful exit
+ * Catch the hangup signal so the errlog can be reopened.
+ * Ignore the broken pipe and child signals
+ * FIXME: Isn't ignoring the default for SIGCHLD anyway and why ignore SIGPIPE?
+ */
+#if !defined(_WIN32) && !defined(__OS2__) && !defined(AMIGA)
+{
+ int idx;
+ const int catched_signals[] = { SIGABRT, SIGTERM, SIGINT, SIGHUP, 0 };
+ const int ignored_signals[] = { SIGPIPE, SIGCHLD, 0 };
-#if !defined(_WIN32) && !defined(__OS2__)
- signal(SIGPIPE, SIG_IGN);
- signal(SIGCHLD, SIG_IGN);
+ for (idx = 0; catched_signals[idx] != 0; idx++)
+ {
+ if (signal(catched_signals[idx], sig_handler) == SIG_ERR)
+ {
+ log_error(LOG_LEVEL_FATAL, "Can't set signal-handler for signal %d: %E", catched_signals[idx]);
+ }
+ }
+
+ for (idx = 0; ignored_signals[idx] != 0; idx++)
+ {
+ if (signal(ignored_signals[idx], SIG_IGN) == SIG_ERR)
+ {
+ log_error(LOG_LEVEL_FATAL, "Can't set ignore-handler for signal %d: %E", ignored_signals[idx]);
+ }
+ }
+}
#else /* ifdef _WIN32 */
# ifdef _WIN_CONSOLE
/*
/* Initialize the CGI subsystem */
cgi_init_error_messages();
+ /*
+ * If runnig on unix and without the --nodaemon
+ * option, become a daemon. I.e. fork, detach
+ * from tty and get process group leadership
+ */
#if defined(unix)
{
- pid_t pid = 0;
- int fd;
-
- /*
- ** we make us a real daemon
- */
-#ifdef _DEBUG
- if ( !ldebug)
+ pid_t pid = 0;
+#if 0
+ int fd;
#endif
- pid = fork();
- if ( pid < 0 ) /* error */
- {
- perror("fork");
- exit( 3 );
- }
- else if ( pid != 0 ) /* parent */
- {
- exit( 0 );
- }
- /* child */
- setpgrp();
- fd = open("/dev/tty", O_RDONLY);
- if ( fd )
- {
- /* no error check here */
- ioctl( fd, TIOCNOTTY,0 );
- close ( fd );
- }
- /* 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("/");
+
+ if (!no_daemon)
+ {
+ 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 */
+ /* FIXME: 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.
+ */
+
+ close( 0 );
+ close( 1 );
+ chdir("/");
+
+ } /* -END- if (!no_daemon) */
+
+ /*
+ * As soon as we have written the PID file, we can switch
+ * to the user ID indicated by the --user option
+ */
+ write_pid_file();
+
+ if ((NULL != pw) && setuid(pw->pw_uid))
+ {
+ log_error(LOG_LEVEL_FATAL, "Cannot setuid(): Insufficient permissions.");
+ }
}
#endif /* defined unix */
- DBG(1, ("call listen_loop() \n") );
listen_loop();
/* NOTREACHED */
/*********************************************************************
*
- * Function : listen_loop
+ * Function : bind_port_helper
*
- * Description : bind the listen port and enter a "FOREVER" listening loop.
+ * Description : Bind the listen port. Handles logging, and aborts
+ * on failure.
*
- * Parameters : N/A
+ * Parameters :
+ * 1 : config = Junkbuster configuration. Specifies port
+ * to bind to.
*
- * Returns : Never.
+ * Returns : Port that was opened.
*
*********************************************************************/
-static void listen_loop(void)
+static int bind_port_helper(struct configuration_spec * config)
{
- struct client_state *csp = NULL;
int bfd;
- struct configuration_spec * config;
- config = load_config();
-
- log_error(LOG_LEVEL_CONNECT, "bind (%s, %d)",
- config->haddr ? config->haddr : "INADDR_ANY", config->hport);
+ if ( (config->haddr != NULL)
+ && (config->haddr[0] == '1')
+ && (config->haddr[1] == '2')
+ && (config->haddr[2] == '7')
+ && (config->haddr[3] == '.') )
+ {
+ log_error(LOG_LEVEL_INFO, "Listening on port %d for local connections only",
+ config->hport);
+ }
+ else if (config->haddr == NULL)
+ {
+ log_error(LOG_LEVEL_INFO, "Listening on port %d on all IP addresses",
+ config->hport);
+ }
+ else
+ {
+ log_error(LOG_LEVEL_INFO, "Listening on port %d on IP address %s",
+ config->hport, config->haddr);
+ }
bfd = bind_port(config->haddr, config->hport);
config->hport, config->hport
);
/* shouldn't get here */
- return;
+ return -1;
}
config->need_bind = 0;
+ return bfd;
+}
+
+
+/*********************************************************************
+ *
+ * Function : listen_loop
+ *
+ * Description : bind the listen port and enter a "FOREVER" listening loop.
+ *
+ * Parameters : N/A
+ *
+ * Returns : Never.
+ *
+ *********************************************************************/
+static void listen_loop(void)
+{
+ struct client_state *csp = NULL;
+ int bfd;
+ struct configuration_spec * config;
+
+ config = load_config();
+
+ bfd = bind_port_helper(config);
while (FOREVER)
{
/* zombie children */
}
#endif /* !defined(FEATURE_PTHREAD) && !defined(_WIN32) && !defined(__BEOS__) && !defined(AMIGA) */
+
+ /*
+ * Free data that was used by died threads
+ */
sweep();
+#if defined(unix)
+ /*
+ * Re-open the errlog after HUP signal
+ */
+ if (received_hup_signal)
+ {
+ init_error_log(Argv[0], config->logfile, config->debug);
+ received_hup_signal = 0;
+ }
+#endif
+
if ( NULL == (csp = (struct client_state *) zalloc(sizeof(*csp))) )
{
log_error(LOG_LEVEL_FATAL, "malloc(%d) for csp failed: %E", sizeof(*csp));
close_socket(bfd);
- log_error(LOG_LEVEL_CONNECT, "bind (%s, %d)",
- config->haddr ? config->haddr : "INADDR_ANY", config->hport);
- bfd = bind_port(config->haddr, config->hport);
-
- if (bfd < 0)
- {
- log_error(LOG_LEVEL_FATAL, "can't bind %s:%d: %E "
- "- There may be another junkbuster or some other "
- "proxy running on port %d",
- (NULL != config->haddr) ? config->haddr : "INADDR_ANY",
- config->hport, config->hport
- );
- /* shouldn't get here */
- return;
- }
-
- config->need_bind = 0;
+ bfd = bind_port_helper(config);
}
log_error(LOG_LEVEL_CONNECT, "accept connection ... ");
projects / privoxy.git / blobdiff