X-Git-Url: https://code.citadel.org/?a=blobdiff_plain;f=webcit%2Fsysdep.c;h=1278b56259ea984b8bf3a6c4b5437bfe1544208f;hb=HEAD;hp=b3470a042c1362da057ef630d04f1a105ee5b70c;hpb=e85485154d5df36041c185a8540f3c09a98f5937;p=citadel.git diff --git a/webcit/sysdep.c b/webcit/sysdep.c index b3470a042..e5f928d52 100644 --- a/webcit/sysdep.c +++ b/webcit/sysdep.c @@ -1,23 +1,15 @@ /* - * $Id$ - * * WebCit "system dependent" code. * - * Copyright (c) 1996-2010 by the citadel.org team + * Copyright (c) 1996-2021 by the citadel.org team * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. + * This program is open source software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 3. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "sysdep.h" @@ -33,18 +25,7 @@ #include #include #include - -#if TIME_WITH_SYS_TIME -# include -# include -#else -# if HAVE_SYS_TIME_H -# include -# else -# include -# endif -#endif - +#include #include #include #include @@ -67,10 +48,7 @@ #include #endif -#ifndef HAVE_SNPRINTF -#include "snprintf.h" -#endif -#include "webserver.h" + #include "modules_init.h" #if HAVE_BACKTRACE #include @@ -81,27 +59,81 @@ pthread_key_t MyConKey; /* TSD key for MyContext() */ pthread_key_t MyReq; /* TSD key for MyReq() */ int msock; /* master listening socket */ int time_to_die = 0; /* Nonzero if server is shutting down */ -int verbosity = 9; /* Logging level */ extern void *context_loop(ParsedHttpHdrs *Hdr); extern void *housekeeping_loop(void); +extern void do_housekeeping(void); -char ctdl_key_dir[PATH_MAX]=SSL_DIR; -char file_crpt_file_key[PATH_MAX]=""; -char file_crpt_file_csr[PATH_MAX]=""; -char file_crpt_file_cer[PATH_MAX]=""; +char file_etc_mimelist[PATH_MAX]=""; -const char editor_absolut_dir[PATH_MAX]=EDITORDIR; /* nailed to what configure gives us. */ +char etc_dir[PATH_MAX]; char static_dir[PATH_MAX]; /* calculated on startup */ char static_local_dir[PATH_MAX]; /* calculated on startup */ char static_icon_dir[PATH_MAX]; /* where should we find our mime icons? */ char *static_dirs[]={ /* needs same sort order as the web mapping */ - (char*)static_dir, /* our templates on disk */ - (char*)static_local_dir, /* user provided templates disk */ - (char*)editor_absolut_dir, /* the editor on disk */ - (char*)static_icon_dir /* our icons... */ + "./static", + "./static.local", + "./tiny_mce", + "./static/webcit_icons" }; +int ExitPipe[2]; +HashList *GZMimeBlackList = NULL; /* mimetypes which shouldn't be gzip compressed */ + +void LoadMimeBlacklist(void) +{ + StrBuf *MimeBlackLine; + IOBuffer IOB; + eReadState state; + + memset(&IOB, 0, sizeof(IOBuffer)); + IOB.fd = open(file_etc_mimelist, O_RDONLY); + + IOB.Buf = NewStrBuf(); + MimeBlackLine = NewStrBuf(); + GZMimeBlackList = NewHash(1, NULL); + + do + { + state = StrBufChunkSipLine(MimeBlackLine, &IOB); + + switch (state) + { + case eMustReadMore: + if (StrBuf_read_one_chunk_callback(IOB.fd, 0, &IOB) <= 0) + state = eReadFail; + break; + case eReadSuccess: + if ((StrLength(MimeBlackLine) > 1) && + (*ChrPtr(MimeBlackLine) != '#')) + { + Put(GZMimeBlackList, SKEY(MimeBlackLine), + (void*) 1, reference_free_handler); + } + FlushStrBuf(MimeBlackLine); + break; + case eReadFail: + break; + case eBufferNotEmpty: + break; + } + } + while (state != eReadFail); + + close(IOB.fd); + + FreeStrBuf(&IOB.Buf); + FreeStrBuf(&MimeBlackLine); +} + +void CheckGZipCompressionAllowed(const char *MimeType, long MLen) +{ + void *v; + + if (WC->Hdr->HR.gzip_ok) + WC->Hdr->HR.gzip_ok = GetHash(GZMimeBlackList, MimeType, MLen, &v) == 0; +} + void InitialiseSemaphores(void) { int i; @@ -110,6 +142,15 @@ void InitialiseSemaphores(void) for (i=0; i 0) close (ssock); - lprintf(2, "in between."); + syslog(LOG_DEBUG, "in between."); pthread_exit(NULL); } else { /* Got it? do some real work! */ @@ -231,11 +277,11 @@ void worker_entry(void) int fdflags; fdflags = fcntl(ssock, F_GETFL); if (fdflags < 0) - lprintf(1, "unable to get server socket flags! %s \n", + syslog(LOG_WARNING, "unable to get server socket flags! %s \n", strerror(errno)); fdflags = fdflags | O_NONBLOCK; if (fcntl(ssock, F_SETFL, fdflags) < 0) - lprintf(1, "unable to set server socket nonblocking flags! %s \n", + syslog(LOG_WARNING, "unable to set server socket nonblocking flags! %s \n", strerror(errno)); } @@ -265,30 +311,10 @@ void worker_entry(void) } while (!time_to_die); http_destroy_modules(&Hdr); - lprintf (1, "Thread exiting.\n"); + syslog(LOG_DEBUG, "Thread exiting.\n"); pthread_exit(NULL); } -/* - * print log messages - * logs to stderr if loglevel is lower than the verbosity set at startup - * - * loglevel level of the message - * format the printf like format string - * ... the strings to put into format - */ -int lprintf(int loglevel, const char *format, ...) -{ - va_list ap; - - if (loglevel <= verbosity) { - va_start(ap, format); - vfprintf(stderr, format, ap); - va_end(ap); - fflush(stderr); - } - return 1; -} /* * Shut us down the regular way. @@ -296,7 +322,8 @@ int lprintf(int loglevel, const char *format, ...) */ pid_t current_child; void graceful_shutdown_watcher(int signum) { - lprintf (1, "Watcher thread exiting.\n"); + syslog(LOG_INFO, "Watcher thread exiting.\n"); + write(ExitPipe[0], HKEY(" ")); kill(current_child, signum); if (signum != SIGHUP) exit(0); @@ -312,7 +339,7 @@ void graceful_shutdown(int signum) { FILE *FD; int fd; - lprintf (1, "WebCit is being shut down on signal %d.\n", signum); + syslog(LOG_INFO, "WebCit is being shut down on signal %d.\n", signum); fd = msock; msock = -1; time_to_die = 1; @@ -320,6 +347,7 @@ void graceful_shutdown(int signum) { fflush (FD); fclose (FD); close(fd); + write(ExitPipe[0], HKEY(" ")); } @@ -332,8 +360,6 @@ void start_daemon(char *pid_file) pid_t child = 0; FILE *fp; int do_restart = 0; - int rv; - FILE *rvfp = NULL; current_child = 0; @@ -341,7 +367,7 @@ void start_daemon(char *pid_file) * We don't just call close() because we don't want these fd's * to be reused for other files. */ - rv = chdir("/"); + chdir("/"); signal(SIGHUP, SIG_IGN); signal(SIGINT, SIG_IGN); @@ -354,9 +380,9 @@ void start_daemon(char *pid_file) setsid(); umask(0); - rvfp = freopen("/dev/null", "r", stdin); - rvfp = freopen("/dev/null", "w", stdout); - rvfp = freopen("/dev/null", "w", stderr); + freopen("/dev/null", "r", stdin); + freopen("/dev/null", "w", stdout); + freopen("/dev/null", "w", stderr); signal(SIGTERM, graceful_shutdown_watcher); signal(SIGHUP, graceful_shutdown_watcher); @@ -443,13 +469,13 @@ void spawn_another_worker_thread() * otherwise the MIME parser crashes on FreeBSD. */ if ((ret = pthread_attr_setstacksize(&attr, 1024 * 1024))) { - lprintf(1, "pthread_attr_setstacksize: %s\n", strerror(ret)); + syslog(LOG_WARNING, "pthread_attr_setstacksize: %s\n", strerror(ret)); pthread_attr_destroy(&attr); } /* now create the thread */ if (pthread_create(&SessThread, &attr, (void *(*)(void *)) worker_entry, NULL) != 0) { - lprintf(1, "Can't create thread: %s\n", strerror(errno)); + syslog(LOG_WARNING, "Can't create thread: %s\n", strerror(errno)); } /* free up the attributes */ @@ -485,21 +511,16 @@ webcit_calc_dirs_n_files(int relh, const char *basedir, int home, char *webcitdi StripSlashes(static_icon_dir, 1); StripSlashes(static_local_dir, 1); - snprintf(file_crpt_file_key, - sizeof file_crpt_file_key, - "%s/citadel.key", - ctdl_key_dir); - snprintf(file_crpt_file_csr, - sizeof file_crpt_file_csr, - "%s/citadel.csr", - ctdl_key_dir); - snprintf(file_crpt_file_cer, - sizeof file_crpt_file_cer, - "%s/citadel.cer", - ctdl_key_dir); + basedir=ETCDIR; + COMPUTE_DIRECTORY(etc_dir); + StripSlashes(etc_dir, 1); + snprintf(file_etc_mimelist, + sizeof file_etc_mimelist, + "%s/nogz-mimetypes.txt", + etc_dir); /* we should go somewhere we can leave our coredump, if enabled... */ - lprintf(9, "Changing directory to %s\n", socket_dir); + syslog(LOG_INFO, "Changing directory to %s\n", socket_dir); if (chdir(webcitdir) != 0) { perror("chdir"); } @@ -508,6 +529,9 @@ webcit_calc_dirs_n_files(int relh, const char *basedir, int home, char *webcitdi void drop_root(uid_t UID) { struct passwd pw, *pwp = NULL; +#ifdef HAVE_GETPWUID_R + char pwbuf[SIZ]; +#endif /* * Now that we've bound the sockets, change to the Citadel user id and its @@ -518,26 +542,26 @@ void drop_root(uid_t UID) #ifdef HAVE_GETPWUID_R #ifdef SOLARIS_GETPWUID pwp = getpwuid_r(UID, &pw, pwbuf, sizeof(pwbuf)); -#else // SOLARIS_GETPWUID +#else /* SOLARIS_GETPWUID */ getpwuid_r(UID, &pw, pwbuf, sizeof(pwbuf), &pwp); -#endif // SOLARIS_GETPWUID -#else // HAVE_GETPWUID_R +#endif /* SOLARIS_GETPWUID */ +#else /* HAVE_GETPWUID_R */ pwp = NULL; -#endif // HAVE_GETPWUID_R +#endif /* HAVE_GETPWUID_R */ if (pwp == NULL) - lprintf(CTDL_CRIT, "WARNING: getpwuid(%ld): %s\n" + syslog(LOG_CRIT, "WARNING: getpwuid(%d): %s\n" "Group IDs will be incorrect.\n", UID, strerror(errno)); else { initgroups(pw.pw_name, pw.pw_gid); if (setgid(pw.pw_gid)) - lprintf(CTDL_CRIT, "setgid(%ld): %s\n", (long)pw.pw_gid, + syslog(LOG_CRIT, "setgid(%ld): %s\n", (long)pw.pw_gid, strerror(errno)); } - lprintf(CTDL_INFO, "Changing uid to %ld\n", (long)UID); + syslog(LOG_INFO, "Changing uid to %ld\n", (long)UID); if (setuid(UID) != 0) { - lprintf(CTDL_CRIT, "setuid() failed: %s\n", strerror(errno)); + syslog(LOG_CRIT, "setuid() failed: %s\n", strerror(errno)); } #if defined (HAVE_SYS_PRCTL_H) && defined (PR_SET_DUMPABLE) prctl(PR_SET_DUMPABLE, 1); @@ -549,7 +573,7 @@ void drop_root(uid_t UID) /* * print the actual stack frame. */ -void wc_backtrace(void) +void wc_backtrace(long LogLevel) { #ifdef HAVE_BACKTRACE void *stack_frames[50]; @@ -561,9 +585,9 @@ void wc_backtrace(void) strings = backtrace_symbols(stack_frames, size); for (i = 0; i < size; i++) { if (strings != NULL) - lprintf(1, "%s\n", strings[i]); + syslog(LogLevel, "%s\n", strings[i]); else - lprintf(1, "%p\n", stack_frames[i]); + syslog(LogLevel, "%p\n", stack_frames[i]); } free(strings); #endif