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Break out main() into Main.c, fix some compile warnings on Cygwin.

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This commit is contained in:
Jordan Bancino 2023-03-09 02:46:04 +00:00
parent 9a1300ff2e
commit ca053a12b1
7 changed files with 522 additions and 479 deletions
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1
TODO.txt
View file

@ -23,6 +23,7 @@ Milestone: v0.3.0
[~] Option to pretty-print Json
[ ] Document JsonEncode() and JsonEncodeValue()
[ ] Update man page for td
[ ] Document Telodendria and Main
[~] Simple command line tool to make matrix requests
[x] Built on HTTP client API

2
src/HttpClient.c
View file

@ -198,7 +198,7 @@ HttpRequestSend(HttpClientContext * context)
tmp = line + 9;
while (isspace(*tmp) && *tmp != '\0')
while (isspace((unsigned char) *tmp) && *tmp != '\0')
{
tmp++;
}

500
src/Main.c Normal file
View file

@ -0,0 +1,500 @@
/*
* Copyright (C) 2022-2023 Jordan Bancino <@jordan:bancino.net>
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <unistd.h>
#include <errno.h>
#include <signal.h>
#include <grp.h>
#include <pwd.h>
#include <Telodendria.h>
#include <Memory.h>
#include <TelodendriaConfig.h>
#include <Log.h>
#include <HashMap.h>
#include <Json.h>
#include <HttpServer.h>
#include <Matrix.h>
#include <Db.h>
#include <Cron.h>
#include <Uia.h>
static HttpServer *httpServer = NULL;
static void
TelodendriaSignalHandler(int signalNo)
{
(void) signalNo;
HttpServerStop(httpServer);
}
typedef enum ArgFlag
{
ARG_VERSION = (1 << 0),
ARG_CONFIGTEST = (1 << 1),
ARG_VERBOSE = (1 << 2)
} ArgFlag;
int
main(int argc, char **argv)
{
LogConfig *lc;
int exit = EXIT_SUCCESS;
/* Arg parsing */
int opt;
int flags = 0;
char *configArg = NULL;
/* Config file */
FILE *configFile = NULL;
HashMap *config = NULL;
/* Program configuration */
TelodendriaConfig *tConfig = NULL;
/* User validation */
struct passwd *userInfo = NULL;
struct group *groupInfo = NULL;
/* Signal handling */
struct sigaction sigAction;
MatrixHttpHandlerArgs matrixArgs;
Cron *cron = NULL;
memset(&matrixArgs, 0, sizeof(matrixArgs));
lc = LogConfigCreate();
if (!lc)
{
printf("Fatal error: unable to allocate memory for logger.\n");
return EXIT_FAILURE;
}
MemoryHook(TelodendriaMemoryHook, lc);
TelodendriaPrintHeader(lc);
#ifdef __OpenBSD__
Log(lc, LOG_DEBUG, "Attempting pledge...");
if (pledge("stdio rpath wpath cpath flock inet dns getpw id unveil", NULL) != 0)
{
Log(lc, LOG_ERR, "Pledge failed: %s", strerror(errno));
exit = EXIT_FAILURE;
goto finish;
}
#endif
while ((opt = getopt(argc, argv, "f:Vvn")) != -1)
{
switch (opt)
{
case 'f':
configArg = optarg;
break;
case 'V':
flags |= ARG_VERSION;
break;
case 'v':
flags |= ARG_VERBOSE;
break;
case 'n':
flags |= ARG_CONFIGTEST;
break;
case '?':
exit = EXIT_FAILURE;
goto finish;
default:
break;
}
}
if (flags & ARG_VERBOSE)
{
LogConfigLevelSet(lc, LOG_DEBUG);
}
if (flags & ARG_VERSION)
{
goto finish;
}
if (!configArg)
{
Log(lc, LOG_ERR, "No configuration file specified.");
exit = EXIT_FAILURE;
goto finish;
}
else if (strcmp(configArg, "-") == 0)
{
configFile = stdin;
}
else
{
fclose(stdin);
#ifdef __OpenBSD__
if (unveil(configArg, "r") != 0)
{
Log(lc, LOG_ERR, "Unable to unveil() configuration file '%s' for reading.", configArg);
exit = EXIT_FAILURE;
goto finish;
}
#endif
configFile = fopen(configArg, "r");
if (!configFile)
{
Log(lc, LOG_ERR, "Unable to open configuration file '%s' for reading.", configArg);
exit = EXIT_FAILURE;
goto finish;
}
}
Log(lc, LOG_NOTICE, "Processing configuration file '%s'.", configArg);
config = JsonDecode(configFile);
fclose(configFile);
if (!config)
{
Log(lc, LOG_ERR, "Syntax error in configuration file.");
exit = EXIT_FAILURE;
goto finish;
}
tConfig = TelodendriaConfigParse(config, lc);
JsonFree(config);
if (!tConfig)
{
exit = EXIT_FAILURE;
goto finish;
}
if (flags & ARG_CONFIGTEST)
{
Log(lc, LOG_INFO, "Configuration is OK.");
goto finish;
}
#ifdef __OpenBSD__
if (unveil(tConfig->dataDir, "rwc") != 0)
{
Log(lc, LOG_ERR, "Unveil of data directory failed: %s", strerror(errno));
exit = EXIT_FAILURE;
goto finish;
}
unveil(NULL, NULL); /* Done with unveil(), so disable it */
#endif
if (!tConfig->logTimestamp || strcmp(tConfig->logTimestamp, "default") != 0)
{
LogConfigTimeStampFormatSet(lc, tConfig->logTimestamp);
}
else
{
Free(tConfig->logTimestamp);
tConfig->logTimestamp = NULL;
}
if (tConfig->flags & TELODENDRIA_LOG_COLOR)
{
LogConfigFlagSet(lc, LOG_FLAG_COLOR);
}
else
{
LogConfigFlagClear(lc, LOG_FLAG_COLOR);
}
LogConfigLevelSet(lc, flags & ARG_VERBOSE ? LOG_DEBUG : tConfig->logLevel);
if (chdir(tConfig->dataDir) != 0)
{
Log(lc, LOG_ERR, "Unable to change into data directory: %s.", strerror(errno));
exit = EXIT_FAILURE;
goto finish;
}
else
{
Log(lc, LOG_DEBUG, "Changed working directory to: %s", tConfig->dataDir);
}
if (tConfig->flags & TELODENDRIA_LOG_FILE)
{
FILE *logFile = fopen("telodendria.log", "a");
if (!logFile)
{
Log(lc, LOG_ERR, "Unable to open log file for appending.");
exit = EXIT_FAILURE;
goto finish;
}
Log(lc, LOG_INFO, "Logging to the log file. Check there for all future messages.");
LogConfigOutputSet(lc, logFile);
}
else if (tConfig->flags & TELODENDRIA_LOG_STDOUT)
{
Log(lc, LOG_DEBUG, "Already logging to standard output.");
}
else if (tConfig->flags & TELODENDRIA_LOG_SYSLOG)
{
Log(lc, LOG_INFO, "Logging to the syslog. Check there for all future messages.");
LogConfigFlagSet(lc, LOG_FLAG_SYSLOG);
openlog("telodendria", LOG_PID | LOG_NDELAY, LOG_DAEMON);
/* Always log everything, because the Log API will control what
* messages get passed to the syslog */
setlogmask(LOG_UPTO(LOG_DEBUG));
}
else
{
Log(lc, LOG_ERR, "Unknown logging method in flags: '%d'", tConfig->flags);
Log(lc, LOG_ERR, "This is a programmer error; please report it.");
exit = EXIT_FAILURE;
goto finish;
}
Log(lc, LOG_DEBUG, "Configuration:");
LogConfigIndent(lc);
Log(lc, LOG_DEBUG, "Listen On: %d", tConfig->listenPort);
Log(lc, LOG_DEBUG, "Server Name: %s", tConfig->serverName);
Log(lc, LOG_DEBUG, "Base URL: %s", tConfig->baseUrl);
Log(lc, LOG_DEBUG, "Identity Server: %s", tConfig->identityServer);
Log(lc, LOG_DEBUG, "Run As: %s:%s", tConfig->uid, tConfig->gid);
Log(lc, LOG_DEBUG, "Data Directory: %s", tConfig->dataDir);
Log(lc, LOG_DEBUG, "Threads: %d", tConfig->threads);
Log(lc, LOG_DEBUG, "Max Connections: %d", tConfig->maxConnections);
Log(lc, LOG_DEBUG, "Max Cache: %ld", tConfig->maxCache);
Log(lc, LOG_DEBUG, "Flags: %x", tConfig->flags);
LogConfigUnindent(lc);
/* Arguments to pass into the HTTP handler */
matrixArgs.lc = lc;
matrixArgs.config = tConfig;
/* Bind the socket before possibly dropping permissions */
httpServer = HttpServerCreate(tConfig->listenPort, tConfig->threads, tConfig->maxConnections,
MatrixHttpHandler, &matrixArgs);
if (!httpServer)
{
Log(lc, LOG_ERR, "Unable to create HTTP server on port %d: %s",
tConfig->listenPort, strerror(errno));
exit = EXIT_FAILURE;
goto finish;
}
Log(lc, LOG_DEBUG, "Running as uid:gid: %d:%d.", getuid(), getgid());
if (tConfig->uid && tConfig->gid)
{
userInfo = getpwnam(tConfig->uid);
groupInfo = getgrnam(tConfig->gid);
if (!userInfo || !groupInfo)
{
Log(lc, LOG_ERR, "Unable to locate the user/group specified in the configuration.");
exit = EXIT_FAILURE;
goto finish;
}
else
{
Log(lc, LOG_DEBUG, "Found user/group information using getpwnam() and getgrnam().");
}
}
else
{
Log(lc, LOG_DEBUG, "No user/group info specified in the config.");
}
if (getuid() == 0)
{
#ifndef __OpenBSD__ /* chroot() is only useful without
* unveil() */
if (chroot(".") == 0)
{
Log(lc, LOG_DEBUG, "Changed the root directory to: %s.", tConfig->dataDir);
}
else
{
Log(lc, LOG_WARNING, "Unable to chroot into directory: %s.", tConfig->dataDir);
}
#endif
if (userInfo && groupInfo)
{
if (setgid(groupInfo->gr_gid) != 0 || setuid(userInfo->pw_uid) != 0)
{
Log(lc, LOG_ERR, "Unable to set process uid/gid.");
exit = EXIT_FAILURE;
goto finish;
}
else
{
Log(lc, LOG_DEBUG, "Set uid/gid to %s:%s.", tConfig->uid, tConfig->gid);
}
}
else
{
Log(lc, LOG_WARNING, "We are running as root, and we are not dropping to another user");
Log(lc, LOG_WARNING, "because none was specified in the configuration file.");
Log(lc, LOG_WARNING, "This is probably a security issue.");
}
}
else
{
Log(lc, LOG_WARNING, "Not setting root directory, because we are not root.");
if (tConfig->uid && tConfig->gid)
{
if (getuid() != userInfo->pw_uid || getgid() != groupInfo->gr_gid)
{
Log(lc, LOG_WARNING, "Not running as the uid/gid specified in the configuration.");
}
else
{
Log(lc, LOG_DEBUG, "Running as the uid/gid specified in the configuration.");
}
}
}
/* These config values are no longer needed; don't hold them in
* memory anymore */
Free(tConfig->dataDir);
Free(tConfig->uid);
Free(tConfig->gid);
tConfig->dataDir = NULL;
tConfig->uid = NULL;
tConfig->gid = NULL;
if (!tConfig->maxCache)
{
Log(lc, LOG_WARNING, "Database caching is disabled.");
Log(lc, LOG_WARNING,
"If this is not what you intended, check the config file");
Log(lc, LOG_WARNING,
"and ensure that maxCache is a valid number of bytes.");
}
matrixArgs.db = DbOpen(".", tConfig->maxCache);
if (!matrixArgs.db)
{
Log(lc, LOG_ERR, "Unable to open data directory as a database.");
exit = EXIT_FAILURE;
goto finish;
}
cron = CronCreate(60 * 1000); /* 1-minute tick */
if (!cron)
{
Log(lc, LOG_ERR, "Unable to set up job scheduler.");
exit = EXIT_FAILURE;
goto finish;
}
Log(lc, LOG_DEBUG, "Registering jobs...");
CronEvery(cron, 30 * 60 * 1000, (JobFunc *) UiaCleanup, &matrixArgs);
Log(lc, LOG_NOTICE, "Starting job scheduler...");
CronStart(cron);
Log(lc, LOG_NOTICE, "Starting server...");
if (!HttpServerStart(httpServer))
{
Log(lc, LOG_ERR, "Unable to start HTTP server.");
exit = EXIT_FAILURE;
goto finish;
}
Log(lc, LOG_INFO, "Listening on port: %d", tConfig->listenPort);
sigAction.sa_handler = TelodendriaSignalHandler;
sigfillset(&sigAction.sa_mask);
sigAction.sa_flags = SA_RESTART;
if (sigaction(SIGINT, &sigAction, NULL) < 0)
{
Log(lc, LOG_ERR, "Unable to install signal handler.");
exit = EXIT_FAILURE;
goto finish;
}
/* Block this thread until the server is terminated by a signal
* handler */
HttpServerJoin(httpServer);
finish:
Log(lc, LOG_NOTICE, "Shutting down...");
if (httpServer)
{
HttpServerFree(httpServer);
Log(lc, LOG_DEBUG, "Freed HTTP Server.");
}
if (cron)
{
CronStop(cron);
CronFree(cron);
Log(lc, LOG_DEBUG, "Stopped and freed job scheduler.");
}
/*
* If we're not logging to standard output, then we can close it. Otherwise,
* if we are logging to stdout, LogConfigFree() will close it for us.
*/
if (!tConfig || !(tConfig->flags & TELODENDRIA_LOG_STDOUT))
{
fclose(stdout);
}
DbClose(matrixArgs.db);
LogConfigTimeStampFormatSet(lc, NULL);
TelodendriaConfigFree(tConfig);
Log(lc, LOG_DEBUG, "");
MemoryIterate(TelodendriaMemoryIterator, lc);
Log(lc, LOG_DEBUG, "");
Log(lc, LOG_DEBUG, "Exiting with code '%d'.", exit);
LogConfigFree(lc);
MemoryFreeAll();
fclose(stderr);
return exit;
}

480
src/Telodendria.c
View file

@ -21,28 +21,10 @@
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <unistd.h>
#include <errno.h>
#include <signal.h>
#include <grp.h>
#include <pwd.h>
#include <Telodendria.h>
#include <Memory.h>
#include <TelodendriaConfig.h>
#include <Log.h>
#include <HashMap.h>
#include <Json.h>
#include <HttpServer.h>
#include <Matrix.h>
#include <Db.h>
#include <Cron.h>
#include <Uia.h>
const char
TelodendriaLogo[TELODENDRIA_LOGO_HEIGHT][TELODENDRIA_LOGO_WIDTH] = {
@ -80,7 +62,7 @@ const char
"======================================================="
};
static void
void
TelodendriaHexDump(size_t off, char *hexBuf, char *asciiBuf, void *args)
{
LogConfig *lc = args;
@ -95,7 +77,7 @@ TelodendriaHexDump(size_t off, char *hexBuf, char *asciiBuf, void *args)
}
}
static void
void
TelodendriaMemoryHook(MemoryAction a, MemoryInfo * i, void *args)
{
LogConfig *lc = (LogConfig *) args;
@ -127,7 +109,7 @@ TelodendriaMemoryHook(MemoryAction a, MemoryInfo * i, void *args)
MemoryInfoGetPointer(i));
}
static void
void
TelodendriaMemoryIterator(MemoryInfo * i, void *args)
{
LogConfig *lc = (LogConfig *) args;
@ -143,23 +125,7 @@ TelodendriaMemoryIterator(MemoryInfo * i, void *args)
}
}
static HttpServer *httpServer = NULL;
static void
TelodendriaSignalHandler(int signalNo)
{
(void) signalNo;
HttpServerStop(httpServer);
}
typedef enum ArgFlag
{
ARG_VERSION = (1 << 0),
ARG_CONFIGTEST = (1 << 1),
ARG_VERBOSE = (1 << 2)
} ArgFlag;
static void
void
TelodendriaPrintHeader(LogConfig * lc)
{
size_t i;
@ -183,441 +149,3 @@ TelodendriaPrintHeader(LogConfig * lc)
Log(lc, LOG_INFO, "");
}
int
main(int argc, char **argv)
{
LogConfig *lc;
int exit = EXIT_SUCCESS;
/* Arg parsing */
int opt;
int flags = 0;
char *configArg = NULL;
/* Config file */
FILE *configFile = NULL;
HashMap *config = NULL;
/* Program configuration */
TelodendriaConfig *tConfig = NULL;
/* User validation */
struct passwd *userInfo = NULL;
struct group *groupInfo = NULL;
/* Signal handling */
struct sigaction sigAction;
MatrixHttpHandlerArgs matrixArgs;
Cron *cron = NULL;
memset(&matrixArgs, 0, sizeof(matrixArgs));
lc = LogConfigCreate();
if (!lc)
{
printf("Fatal error: unable to allocate memory for logger.\n");
return EXIT_FAILURE;
}
MemoryHook(TelodendriaMemoryHook, lc);
TelodendriaPrintHeader(lc);
#ifdef __OpenBSD__
Log(lc, LOG_DEBUG, "Attempting pledge...");
if (pledge("stdio rpath wpath cpath flock inet dns getpw id unveil", NULL) != 0)
{
Log(lc, LOG_ERR, "Pledge failed: %s", strerror(errno));
exit = EXIT_FAILURE;
goto finish;
}
#endif
while ((opt = getopt(argc, argv, "f:Vvn")) != -1)
{
switch (opt)
{
case 'f':
configArg = optarg;
break;
case 'V':
flags |= ARG_VERSION;
break;
case 'v':
flags |= ARG_VERBOSE;
break;
case 'n':
flags |= ARG_CONFIGTEST;
break;
case '?':
exit = EXIT_FAILURE;
goto finish;
default:
break;
}
}
if (flags & ARG_VERBOSE)
{
LogConfigLevelSet(lc, LOG_DEBUG);
}
if (flags & ARG_VERSION)
{
goto finish;
}
if (!configArg)
{
Log(lc, LOG_ERR, "No configuration file specified.");
exit = EXIT_FAILURE;
goto finish;
}
else if (strcmp(configArg, "-") == 0)
{
configFile = stdin;
}
else
{
fclose(stdin);
#ifdef __OpenBSD__
if (unveil(configArg, "r") != 0)
{
Log(lc, LOG_ERR, "Unable to unveil() configuration file '%s' for reading.", configArg);
exit = EXIT_FAILURE;
goto finish;
}
#endif
configFile = fopen(configArg, "r");
if (!configFile)
{
Log(lc, LOG_ERR, "Unable to open configuration file '%s' for reading.", configArg);
exit = EXIT_FAILURE;
goto finish;
}
}
Log(lc, LOG_NOTICE, "Processing configuration file '%s'.", configArg);
config = JsonDecode(configFile);
fclose(configFile);
if (!config)
{
Log(lc, LOG_ERR, "Syntax error in configuration file.");
exit = EXIT_FAILURE;
goto finish;
}
tConfig = TelodendriaConfigParse(config, lc);
JsonFree(config);
if (!tConfig)
{
exit = EXIT_FAILURE;
goto finish;
}
if (flags & ARG_CONFIGTEST)
{
Log(lc, LOG_INFO, "Configuration is OK.");
goto finish;
}
#ifdef __OpenBSD__
if (unveil(tConfig->dataDir, "rwc") != 0)
{
Log(lc, LOG_ERR, "Unveil of data directory failed: %s", strerror(errno));
exit = EXIT_FAILURE;
goto finish;
}
unveil(NULL, NULL); /* Done with unveil(), so disable it */
#endif
if (!tConfig->logTimestamp || strcmp(tConfig->logTimestamp, "default") != 0)
{
LogConfigTimeStampFormatSet(lc, tConfig->logTimestamp);
}
else
{
Free(tConfig->logTimestamp);
tConfig->logTimestamp = NULL;
}
if (tConfig->flags & TELODENDRIA_LOG_COLOR)
{
LogConfigFlagSet(lc, LOG_FLAG_COLOR);
}
else
{
LogConfigFlagClear(lc, LOG_FLAG_COLOR);
}
LogConfigLevelSet(lc, flags & ARG_VERBOSE ? LOG_DEBUG : tConfig->logLevel);
if (chdir(tConfig->dataDir) != 0)
{
Log(lc, LOG_ERR, "Unable to change into data directory: %s.", strerror(errno));
exit = EXIT_FAILURE;
goto finish;
}
else
{
Log(lc, LOG_DEBUG, "Changed working directory to: %s", tConfig->dataDir);
}
if (tConfig->flags & TELODENDRIA_LOG_FILE)
{
FILE *logFile = fopen("telodendria.log", "a");
if (!logFile)
{
Log(lc, LOG_ERR, "Unable to open log file for appending.");
exit = EXIT_FAILURE;
goto finish;
}
Log(lc, LOG_INFO, "Logging to the log file. Check there for all future messages.");
LogConfigOutputSet(lc, logFile);
}
else if (tConfig->flags & TELODENDRIA_LOG_STDOUT)
{
Log(lc, LOG_DEBUG, "Already logging to standard output.");
}
else if (tConfig->flags & TELODENDRIA_LOG_SYSLOG)
{
Log(lc, LOG_INFO, "Logging to the syslog. Check there for all future messages.");
LogConfigFlagSet(lc, LOG_FLAG_SYSLOG);
openlog("telodendria", LOG_PID | LOG_NDELAY, LOG_DAEMON);
/* Always log everything, because the Log API will control what
* messages get passed to the syslog */
setlogmask(LOG_UPTO(LOG_DEBUG));
}
else
{
Log(lc, LOG_ERR, "Unknown logging method in flags: '%d'", tConfig->flags);
Log(lc, LOG_ERR, "This is a programmer error; please report it.");
exit = EXIT_FAILURE;
goto finish;
}
Log(lc, LOG_DEBUG, "Configuration:");
LogConfigIndent(lc);
Log(lc, LOG_DEBUG, "Listen On: %d", tConfig->listenPort);
Log(lc, LOG_DEBUG, "Server Name: %s", tConfig->serverName);
Log(lc, LOG_DEBUG, "Base URL: %s", tConfig->baseUrl);
Log(lc, LOG_DEBUG, "Identity Server: %s", tConfig->identityServer);
Log(lc, LOG_DEBUG, "Run As: %s:%s", tConfig->uid, tConfig->gid);
Log(lc, LOG_DEBUG, "Data Directory: %s", tConfig->dataDir);
Log(lc, LOG_DEBUG, "Threads: %d", tConfig->threads);
Log(lc, LOG_DEBUG, "Max Connections: %d", tConfig->maxConnections);
Log(lc, LOG_DEBUG, "Max Cache: %ld", tConfig->maxCache);
Log(lc, LOG_DEBUG, "Flags: %x", tConfig->flags);
LogConfigUnindent(lc);
/* Arguments to pass into the HTTP handler */
matrixArgs.lc = lc;
matrixArgs.config = tConfig;
/* Bind the socket before possibly dropping permissions */
httpServer = HttpServerCreate(tConfig->listenPort, tConfig->threads, tConfig->maxConnections,
MatrixHttpHandler, &matrixArgs);
if (!httpServer)
{
Log(lc, LOG_ERR, "Unable to create HTTP server on port %d: %s",
tConfig->listenPort, strerror(errno));
exit = EXIT_FAILURE;
goto finish;
}
Log(lc, LOG_DEBUG, "Running as uid:gid: %d:%d.", getuid(), getgid());
if (tConfig->uid && tConfig->gid)
{
userInfo = getpwnam(tConfig->uid);
groupInfo = getgrnam(tConfig->gid);
if (!userInfo || !groupInfo)
{
Log(lc, LOG_ERR, "Unable to locate the user/group specified in the configuration.");
exit = EXIT_FAILURE;
goto finish;
}
else
{
Log(lc, LOG_DEBUG, "Found user/group information using getpwnam() and getgrnam().");
}
}
else
{
Log(lc, LOG_DEBUG, "No user/group info specified in the config.");
}
if (getuid() == 0)
{
#ifndef __OpenBSD__ /* chroot() is only useful without
* unveil() */
if (chroot(".") == 0)
{
Log(lc, LOG_DEBUG, "Changed the root directory to: %s.", tConfig->dataDir);
}
else
{
Log(lc, LOG_WARNING, "Unable to chroot into directory: %s.", tConfig->dataDir);
}
#endif
if (userInfo && groupInfo)
{
if (setgid(groupInfo->gr_gid) != 0 || setuid(userInfo->pw_uid) != 0)
{
Log(lc, LOG_ERR, "Unable to set process uid/gid.");
exit = EXIT_FAILURE;
goto finish;
}
else
{
Log(lc, LOG_DEBUG, "Set uid/gid to %s:%s.", tConfig->uid, tConfig->gid);
}
}
else
{
Log(lc, LOG_WARNING, "We are running as root, and we are not dropping to another user");
Log(lc, LOG_WARNING, "because none was specified in the configuration file.");
Log(lc, LOG_WARNING, "This is probably a security issue.");
}
}
else
{
Log(lc, LOG_WARNING, "Not setting root directory, because we are not root.");
if (tConfig->uid && tConfig->gid)
{
if (getuid() != userInfo->pw_uid || getgid() != groupInfo->gr_gid)
{
Log(lc, LOG_WARNING, "Not running as the uid/gid specified in the configuration.");
}
else
{
Log(lc, LOG_DEBUG, "Running as the uid/gid specified in the configuration.");
}
}
}
/* These config values are no longer needed; don't hold them in
* memory anymore */
Free(tConfig->dataDir);
Free(tConfig->uid);
Free(tConfig->gid);
tConfig->dataDir = NULL;
tConfig->uid = NULL;
tConfig->gid = NULL;
if (!tConfig->maxCache)
{
Log(lc, LOG_WARNING, "Database caching is disabled.");
Log(lc, LOG_WARNING,
"If this is not what you intended, check the config file");
Log(lc, LOG_WARNING,
"and ensure that maxCache is a valid number of bytes.");
}
matrixArgs.db = DbOpen(".", tConfig->maxCache);
if (!matrixArgs.db)
{
Log(lc, LOG_ERR, "Unable to open data directory as a database.");
exit = EXIT_FAILURE;
goto finish;
}
cron = CronCreate(60 * 1000); /* 1-minute tick */
if (!cron)
{
Log(lc, LOG_ERR, "Unable to set up job scheduler.");
exit = EXIT_FAILURE;
goto finish;
}
Log(lc, LOG_DEBUG, "Registering jobs...");
CronEvery(cron, 30 * 60 * 1000, (JobFunc *) UiaCleanup, &matrixArgs);
Log(lc, LOG_NOTICE, "Starting job scheduler...");
CronStart(cron);
Log(lc, LOG_NOTICE, "Starting server...");
if (!HttpServerStart(httpServer))
{
Log(lc, LOG_ERR, "Unable to start HTTP server.");
exit = EXIT_FAILURE;
goto finish;
}
Log(lc, LOG_INFO, "Listening on port: %d", tConfig->listenPort);
sigAction.sa_handler = TelodendriaSignalHandler;
sigfillset(&sigAction.sa_mask);
sigAction.sa_flags = SA_RESTART;
if (sigaction(SIGINT, &sigAction, NULL) < 0)
{
Log(lc, LOG_ERR, "Unable to install signal handler.");
exit = EXIT_FAILURE;
goto finish;
}
/* Block this thread until the server is terminated by a signal
* handler */
HttpServerJoin(httpServer);
finish:
Log(lc, LOG_NOTICE, "Shutting down...");
if (httpServer)
{
HttpServerFree(httpServer);
Log(lc, LOG_DEBUG, "Freed HTTP Server.");
}
if (cron)
{
CronStop(cron);
CronFree(cron);
Log(lc, LOG_DEBUG, "Stopped and freed job scheduler.");
}
/*
* If we're not logging to standard output, then we can close it. Otherwise,
* if we are logging to stdout, LogConfigFree() will close it for us.
*/
if (!tConfig || !(tConfig->flags & TELODENDRIA_LOG_STDOUT))
{
fclose(stdout);
}
DbClose(matrixArgs.db);
LogConfigTimeStampFormatSet(lc, NULL);
TelodendriaConfigFree(tConfig);
Log(lc, LOG_DEBUG, "");
MemoryIterate(TelodendriaMemoryIterator, lc);
Log(lc, LOG_DEBUG, "");
Log(lc, LOG_DEBUG, "Exiting with code '%d'.", exit);
LogConfigFree(lc);
MemoryFreeAll();
fclose(stderr);
return exit;
}

14
src/include/Telodendria.h
View file

@ -24,6 +24,9 @@
#ifndef TELODENDRIA_H
#define TELODENDRIA_H
#include <Memory.h>
#include <Log.h>
#define TELODENDRIA_LOGO_WIDTH 56
#define TELODENDRIA_LOGO_HEIGHT 22
@ -36,4 +39,15 @@ extern const char
extern const char
TelodendriaHeader[TELODENDRIA_HEADER_HEIGHT][TELODENDRIA_HEADER_WIDTH];
extern void
TelodendriaHexDump(size_t, char *, char *, void *);
extern void
TelodendriaMemoryHook(MemoryAction, MemoryInfo *, void *);
extern void
TelodendriaMemoryIterator(MemoryInfo *, void *);
extern void
TelodendriaPrintHeader(LogConfig *lc);
#endif

2
tools/bin/td
View file

@ -35,7 +35,7 @@
CFLAGS="${CFLAGS} ${DEFINES} ${INCLUDES}"
LDFLAGS="${LDFLAGS} ${STATIC}"
MAIN="Telodendria"
MAIN="Main"
if [ "$DEBUG" = "1" ]; then
CFLAGS="$CFLAGS -O0 -g -pg"

2
tools/src/http.c
View file

@ -98,7 +98,7 @@ main(int argc, char **argv)
*val = '\0';
val++;
while (*val && isspace(*val))
while (*val && isspace((unsigned char) *val))
{
val++;
}