/* symlink */
int
tar_extract_symlink(TAR *t, char *realname)
{
char *filename;
if (!TH_ISSYM(t))
{
errno = EINVAL;
return -1;
}
filename = (realname ? realname : th_get_pathname(t));
if (mkdirhier(dirname(filename)) == -1)
return -1;
if (unlink(filename) == -1 && errno != ENOENT)
return -1;
#ifdef DEBUG
printf(" ==> extracting: %s (symlink to %s)\n",
filename, th_get_linkname(t));
#endif
if (symlink(th_get_linkname(t), filename) == -1)
{
#ifdef DEBUG
perror("symlink()");
#endif
return -1;
}
return 0;
}
void
prepareMeleeDir (void) {
char buf[PATH_MAX];
const char *meleeDirName;
meleeDirName = getenv("UQM_MELEE_DIR");
if (meleeDirName == NULL)
meleeDirName = MELEEDIR;
if (expandPath (buf, PATH_MAX - 13, meleeDirName, EP_ALL_SYSTEM) == -1)
{
// Doesn't have to be fatal, but might mess up things when saving
// config files.
log_add (log_Fatal, "Fatal error: Invalid path to config files.");
exit (EXIT_FAILURE);
}
meleeDirName = buf;
setenv("UQM_MELEE_DIR", meleeDirName, 1);
// Create the path upto the save dir, if not already existing.
if (mkdirhier (meleeDirName) == -1)
exit (EXIT_FAILURE);
meleeDir = uio_openDirRelative (configDir, "teams", 0);
// TODO: this doesn't work if the save dir is not
// "teams" in the config dir.
if (meleeDir == NULL)
{
log_add (log_Fatal, "Fatal error: Could not open melee teams dir: %s",
strerror (errno));
exit (EXIT_FAILURE);
}
}
/* FIFO */
int
tar_extract_fifo(TAR *t, char *realname)
{
mode_t mode;
char *filename;
if (!TH_ISFIFO(t))
{
errno = EINVAL;
return -1;
}
filename = (realname ? realname : th_get_pathname(t));
mode = th_get_mode(t);
if (mkdirhier(dirname(filename)) == -1)
return -1;
#ifdef DEBUG
printf(" ==> extracting: %s (fifo)\n", filename);
#endif
if (mkfifo(filename, mode) == -1)
{
#ifdef DEBUG
perror("mkfifo()");
#endif
return -1;
}
return 0;
}
void init_master(void)
{
struct snmp_session sess, *session;
if ( ds_get_boolean(DS_APPLICATION_ID, DS_AGENT_ROLE) != MASTER_AGENT )
return;
DEBUGMSGTL(("agentx/master","initializing...\n"));
snmp_sess_init( &sess );
sess.version = AGENTX_VERSION_1;
sess.flags |= SNMP_FLAGS_STREAM_SOCKET;
if ( ds_get_string(DS_APPLICATION_ID, DS_AGENT_X_SOCKET) )
sess.peername = strdup(ds_get_string(DS_APPLICATION_ID, DS_AGENT_X_SOCKET));
else
sess.peername = strdup(AGENTX_SOCKET);
if ( sess.peername[0] == '/' ) {
/*
* If this is a Unix pathname,
* try and create the directory first.
*/
if (mkdirhier(sess.peername, AGENT_DIRECTORY_MODE, 1)) {
snmp_log(LOG_ERR,
"Failed to create the directory for the agentX socket: %s\n",
sess.peername);
}
}
/*
* Otherwise, let 'snmp_open' interpret the string.
*/
sess.local_port = AGENTX_PORT; /* Indicate server & set default port */
sess.remote_port = 0;
sess.callback = handle_master_agentx_packet;
session = snmp_open_ex( &sess, 0, agentx_parse, 0, agentx_build,
agentx_check_packet );
if ( session == NULL && sess.s_errno == EADDRINUSE ) {
/*
* Could be a left-over socket (now deleted)
* Try again
*/
session = snmp_open_ex( &sess, 0, agentx_parse, 0, agentx_build,
agentx_check_packet );
}
if ( session == NULL ) {
/* diagnose snmp_open errors with the input struct snmp_session pointer */
snmp_sess_perror("init_master", &sess);
if (!ds_get_boolean(DS_APPLICATION_ID, DS_AGENT_NO_ROOT_ACCESS))
exit(1);
}
DEBUGMSGTL(("agentx/master","initializing... DONE\n"));
}
void
prepareConfigDir (const char *configDirName) {
char buf[PATH_MAX];
static uio_AutoMount *autoMount[] = { NULL };
uio_MountHandle *contentHandle;
if (configDirName == NULL)
{
configDirName = getenv("UQM_CONFIG_DIR");
if (configDirName == NULL)
configDirName = CONFIGDIR;
}
if (expandPath (buf, PATH_MAX - 13, configDirName, EP_ALL_SYSTEM)
== -1)
{
// Doesn't have to be fatal, but might mess up things when saving
// config files.
log_add (log_Fatal, "Fatal error: Invalid path to config files.");
exit (EXIT_FAILURE);
}
configDirName = buf;
log_add (log_Debug, "Using config dir '%s'", configDirName);
// Set the environment variable UQM_CONFIG_DIR so UQM_MELEE_DIR
// and UQM_SAVE_DIR can refer to it.
setenv("UQM_CONFIG_DIR", configDirName, 1);
// Create the path upto the config dir, if not already existing.
if (mkdirhier (configDirName) == -1)
exit (EXIT_FAILURE);
contentHandle = uio_mountDir (repository, "/",
uio_FSTYPE_STDIO, NULL, NULL, configDirName, autoMount,
uio_MOUNT_TOP, NULL);
if (contentHandle == NULL)
{
log_add (log_Fatal, "Fatal error: Could not mount config dir: %s",
strerror (errno));
exit (EXIT_FAILURE);
}
configDir = uio_openDir (repository, "/", 0);
if (configDir == NULL)
{
log_add (log_Fatal, "Fatal error: Could not open config dir: %s",
strerror (errno));
exit (EXIT_FAILURE);
}
}
/* directory */
int
tar_extract_dir(TAR *t, char *realname)
{
mode_t mode;
char *filename;
if (!TH_ISDIR(t))
{
errno = EINVAL;
return -1;
}
filename = (realname ? realname : th_get_pathname(t));
mode = th_get_mode(t);
if (mkdirhier(dirname(filename)) == -1)
return -1;
#ifdef DEBUG
printf(" ==> extracting: %s (mode %04o, directory)\n", filename,
mode);
#endif
if (mkdir(filename, mode) == -1)
{
if (errno == EEXIST)
{
if (chmod(filename, mode) == -1)
{
#ifdef DEBUG
perror("chmod()");
#endif
return -1;
}
else
{
#ifdef DEBUG
puts(" *** using existing directory");
#endif
return 1;
}
}
else
{
#ifdef DEBUG
perror("mkdir()");
#endif
return -1;
}
}
return 0;
}
/* hardlink */
int
tar_extract_hardlink(TAR * t, char *realname, char *prefix)
{
char *filename;
char *linktgt = NULL;
char *lnp;
libtar_hashptr_t hp;
if (!TH_ISLNK(t))
{
errno = EINVAL;
return -1;
}
filename = (realname ? realname : th_get_pathname(t));
if (mkdirhier(dirname(filename)) == -1)
return -1;
libtar_hashptr_reset(&hp);
if (libtar_hash_getkey(t->h, &hp, th_get_linkname(t),
(libtar_matchfunc_t)libtar_str_match) != 0)
{
lnp = (char *)libtar_hashptr_data(&hp);
linktgt = &lnp[strlen(lnp) + 1];
}
else
linktgt = th_get_linkname(t);
char *newtgt = strdup(linktgt);
sprintf(linktgt, "%s/%s", prefix, newtgt);
#ifdef DEBUG
printf(" ==> extracting: %s (link to %s)\n", filename, linktgt);
#endif
if (link(linktgt, filename) == -1)
{
#ifdef DEBUG
perror("link()");
#endif
printf("Failed restore of hardlink '%s' but returning as if nothing bad happened anyway\n", filename);
return 0; // Used to be -1
}
return 0;
}
int CThemes::Show()
{
std::string file_name = "";
CMenuWidget themes (LOCALE_COLORMENU_MENUCOLORS, NEUTRINO_ICON_SETTINGS, width);
themes.addIntroItems(LOCALE_COLORTHEMEMENU_HEAD2);
//set default theme
themes.addItem(new CMenuForwarder(LOCALE_COLORTHEMEMENU_NEUTRINO_THEME, true, NULL, this, "theme_neutrino", CRCInput::RC_red));
readThemes(themes);
CStringInputSMS nameInput(LOCALE_COLORTHEMEMENU_NAME, &file_name, 30, NONEXISTANT_LOCALE, NONEXISTANT_LOCALE, "abcdefghijklmnopqrstuvwxyz0123456789- ");
CMenuForwarder *m1 = new CMenuForwarder(LOCALE_COLORTHEMEMENU_SAVE, true , NULL, &nameInput, NULL, CRCInput::RC_green);
if (mkdirhier(USERDIR) && errno != EEXIST) {
printf("[neutrino theme] error creating %s\n", USERDIR);
}
if (access(USERDIR, F_OK) == 0 ) {
themes.addItem(GenericMenuSeparatorLine);
themes.addItem(m1);
} else {
delete m1;
printf("[neutrino theme] error accessing %s\n", USERDIR);
}
int res = themes.exec(NULL, "");
if (file_name.length() > 1) {
saveFile((char*)((std::string)USERDIR + file_name + FILE_PREFIX).c_str());
}
if (hasThemeChanged) {
if (ShowMsg(LOCALE_MESSAGEBOX_INFO, LOCALE_COLORTHEMEMENU_QUESTION, CMessageBox::mbrYes, CMessageBox::mbYes | CMessageBox::mbNo, NEUTRINO_ICON_SETTINGS) != CMessageBox::mbrYes)
rememberOldTheme( false );
else
hasThemeChanged = false;
}
return res;
}
/*******************************************************************-o-******
* read_config_store
*
* Parameters:
* *type
* *line
*
*
* Append line to a file named either ENV(SNMP_PERSISTENT_FILE) or
* "<PERSISTENT_DIRECTORY>/<type>.conf".
* Add a trailing newline to the stored file if necessary.
*
* Intended for use by applications to store permenant configuration
* information generated by sets or persistent counters.
*
*/
void
read_config_store(const char *type, const char *line)
{
#ifdef CYGPKG_SNMPLIB_PERSISTENT_FILESYSTEM
char file[512], *filep;
FILE *fout;
#ifdef PERSISTENT_MASK
mode_t oldmask;
#endif
/* store configuration directives in the following order of preference:
1. ENV variable SNMP_PERSISTENT_FILE
2. configured <PERSISTENT_DIRECTORY>/<type>.conf
*/
if ((filep = getenv("SNMP_PERSISTENT_FILE")) == NULL) {
sprintf(file,"%s/%s.conf",PERSISTENT_DIRECTORY,type);
filep = file;
}
#ifdef PERSISTENT_MASK
oldmask = umask(PERSISTENT_MASK);
#endif
if (mkdirhier(filep, AGENT_DIRECTORY_MODE, 1)) {
snmp_log(LOG_ERR, "Failed to create the persistent directory for %s\n",
file);
}
if ((fout = fopen(filep, "a")) != NULL) {
fprintf(fout,line);
if (line[strlen(line)] != '\n')
fprintf(fout,"\n");
DEBUGMSGTL(("read_config","storing: %s\n",line));
fclose(fout);
} else {
DEBUGMSGTL(("read_config","open failure"));
}
#ifdef PERSISTENT_MASK
umask(oldmask);
#endif
#endif
} /* end read_config_store() */
/* hardlink */
int
tar_extract_hardlink(TAR * t, char *realname)
{
char *filename;
char *linktgt = NULL;
char *lnp;
libtar_hashptr_t hp;
if (!TH_ISLNK(t))
{
errno = EINVAL;
return -1;
}
filename = (realname ? realname : th_get_pathname(t));
if (mkdirhier(dirname(filename)) == -1)
return -1;
libtar_hashptr_reset(&hp);
if (libtar_hash_getkey(t->h, &hp, th_get_linkname(t),
(libtar_matchfunc_t)libtar_str_match) != 0)
{
lnp = (char *)libtar_hashptr_data(&hp);
linktgt = &lnp[strlen(lnp) + 1];
}
else
linktgt = th_get_linkname(t);
#ifdef DEBUG
printf(" ==> extracting: %s (link to %s)\n", filename, linktgt);
#endif
if (link(linktgt, filename) == -1)
{
#ifdef DEBUG
perror("link()");
#endif
return -1;
}
return 0;
}
/* block device */
int
tar_extract_blockdev(TAR *t, char *realname)
{
mode_t mode;
unsigned long devmaj, devmin;
char *filename;
if (!TH_ISBLK(t))
{
errno = EINVAL;
return -1;
}
filename = (realname ? realname : th_get_pathname(t));
mode = th_get_mode(t);
devmaj = th_get_devmajor(t);
devmin = th_get_devminor(t);
if (mkdirhier(dirname(filename)) == -1)
return -1;
#ifdef DEBUG
printf(" ==> extracting: %s (block device %ld,%ld)\n",
filename, devmaj, devmin);
#endif
if (mknod(filename, mode | S_IFBLK,
makedev(devmaj, devmin)) == -1)
{
#ifdef DEBUG
perror("mknod()");
#endif
return -1;
}
return 0;
}
/* character device */
int
tar_extract_chardev(TAR *t, char *realname)
{
mode_t mode;
unsigned long devmaj, devmin;
char *filename;
if (!TH_ISCHR(t))
{
errno = EINVAL;
return -1;
}
filename = (realname ? realname : th_get_pathname(t));
mode = th_get_mode(t);
devmaj = th_get_devmajor(t);
devmin = th_get_devminor(t);
if (mkdirhier(dirname(filename)) == -1)
return -1;
#ifdef DEBUG
printf(" ==> extracting: %s (character device %ld,%ld)\n",
filename, devmaj, devmin);
#endif
if (mknod(filename, mode | S_IFCHR,
compat_makedev(devmaj, devmin)) == -1)
{
#ifdef DEBUG
printf("mknod() failed, returning good anyway");
#endif
return 0;
}
return 0;
}
main(int argc, char *argv[])
#endif
{
char options[128] = "aAc:CdD::fhHI:l:L:m:M:n:p:P:qrsS:UvV-:Y:";
int arg, i, ret;
int dont_fork = 0, do_help = 0;
int log_set = 0;
int agent_mode = -1;
char *pid_file = NULL;
char option_compatability[] = "-Le";
#ifndef WIN32
int prepared_sockets = 0;
#endif
#if HAVE_GETPID
int fd;
FILE *PID;
#endif
#ifndef WIN32
#ifndef NETSNMP_NO_SYSTEMD
/* check if systemd has sockets for us and don't close them */
prepared_sockets = netsnmp_sd_listen_fds(0);
#endif /* NETSNMP_NO_SYSTEMD */
/*
* close all non-standard file descriptors we may have
* inherited from the shell.
*/
if (!prepared_sockets) {
for (i = getdtablesize() - 1; i > 2; --i) {
(void) close(i);
}
}
#endif /* #WIN32 */
/*
* register signals ASAP to prevent default action (usually core)
* for signals during startup...
*/
#ifdef SIGTERM
DEBUGMSGTL(("signal", "registering SIGTERM signal handler\n"));
signal(SIGTERM, SnmpdShutDown);
#endif
#ifdef SIGINT
DEBUGMSGTL(("signal", "registering SIGINT signal handler\n"));
signal(SIGINT, SnmpdShutDown);
#endif
#ifdef SIGHUP
signal(SIGHUP, SIG_IGN); /* do not terminate on early SIGHUP */
#endif
#ifdef SIGUSR1
DEBUGMSGTL(("signal", "registering SIGUSR1 signal handler\n"));
signal(SIGUSR1, SnmpdDump);
#endif
#ifdef SIGPIPE
DEBUGMSGTL(("signal", "registering SIGPIPE signal handler\n"));
signal(SIGPIPE, SIG_IGN); /* 'Inline' failure of wayward readers */
#endif
#ifdef SIGXFSZ
signal(SIGXFSZ, SnmpdCatchRandomSignal);
#endif
#ifdef NETSNMP_NO_ROOT_ACCESS
/*
* Default to no.
*/
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS, 1);
#endif
/*
* Default to NOT running an AgentX master.
*/
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_AGENTX_MASTER, 0);
netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_AGENTX_TIMEOUT, -1);
netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_AGENTX_RETRIES, -1);
netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_CACHE_TIMEOUT, 5);
/*
* Add some options if they are available.
*/
#if HAVE_UNISTD_H
strcat(options, "g:u:");
#endif
#if defined(USING_AGENTX_SUBAGENT_MODULE)|| defined(USING_AGENTX_MASTER_MODULE)
strcat(options, "x:");
#endif
#ifdef USING_AGENTX_SUBAGENT_MODULE
strcat(options, "X");
#endif
/*
* This is incredibly ugly, but it's probably the simplest way
* to handle the old '-L' option as well as the new '-Lx' style
*/
for (i=0; i<argc; i++) {
if (!strcmp(argv[i], "-L"))
argv[i] = option_compatability;
}
#ifndef NETSNMP_FEATURE_REMOVE_LOGGING_SYSLOG
#ifdef WIN32
snmp_log_syslogname(app_name_long);
#else
snmp_log_syslogname(app_name);
#endif
#endif /* NETSNMP_FEATURE_REMOVE_LOGGING_SYSLOG */
netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_APPTYPE, app_name);
/*
* Now process options normally.
*/
while ((arg = getopt(argc, argv, options)) != EOF) {
switch (arg) {
case '-':
if (strcasecmp(optarg, "help") == 0) {
usage(argv[0]);
}
if (strcasecmp(optarg, "version") == 0) {
version();
}
handle_long_opt(optarg);
break;
case 'a':
log_addresses++;
break;
case 'A':
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_APPEND_LOGFILES, 1);
break;
case 'c':
if (optarg != NULL) {
netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_OPTIONALCONFIG, optarg);
} else {
usage(argv[0]);
}
break;
case 'C':
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_DONT_READ_CONFIGS, 1);
break;
case 'd':
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_DUMP_PACKET,
++snmp_dump_packet);
break;
case 'D':
debug_register_tokens(optarg);
snmp_set_do_debugging(1);
break;
case 'f':
dont_fork = 1;
break;
#if HAVE_UNISTD_H
case 'g':
if (optarg != NULL) {
char *ecp;
int gid;
gid = strtoul(optarg, &ecp, 10);
#if HAVE_GETGRNAM && HAVE_PWD_H
if (*ecp) {
struct group *info;
info = getgrnam(optarg);
gid = info ? info->gr_gid : -1;
endgrent();
}
#endif
if (gid < 0) {
fprintf(stderr, "Bad group id: %s\n", optarg);
exit(1);
}
netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_GROUPID, gid);
} else {
usage(argv[0]);
}
break;
#endif
case 'h':
usage(argv[0]);
break;
case 'H':
do_help = 1;
break;
case 'I':
if (optarg != NULL) {
add_to_init_list(optarg);
} else {
usage(argv[0]);
}
break;
#ifndef NETSNMP_FEATURE_REMOVE_LOGGING_FILE
case 'l':
printf("Warning: -l option is deprecated, use -Lf <file> instead\n");
if (optarg != NULL) {
if (strlen(optarg) > PATH_MAX) {
fprintf(stderr,
"%s: logfile path too long (limit %d chars)\n",
argv[0], PATH_MAX);
exit(1);
}
snmp_enable_filelog(optarg,
netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_APPEND_LOGFILES));
log_set = 1;
} else {
usage(argv[0]);
}
break;
#endif /* NETSNMP_FEATURE_REMOVE_LOGGING_FILE */
case 'L':
if (snmp_log_options( optarg, argc, argv ) < 0 ) {
usage(argv[0]);
}
log_set = 1;
break;
case 'm':
if (optarg != NULL) {
setenv("MIBS", optarg, 1);
} else {
usage(argv[0]);
}
break;
case 'M':
if (optarg != NULL) {
setenv("MIBDIRS", optarg, 1);
} else {
usage(argv[0]);
}
break;
case 'n':
if (optarg != NULL) {
app_name = optarg;
netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_APPTYPE, app_name);
} else {
usage(argv[0]);
}
break;
case 'P':
printf("Warning: -P option is deprecated, use -p instead\n");
case 'p':
if (optarg != NULL) {
pid_file = optarg;
} else {
usage(argv[0]);
}
break;
case 'q':
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_QUICK_PRINT, 1);
break;
case 'r':
netsnmp_ds_toggle_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS);
break;
#ifndef NETSNMP_FEATURE_REMOVE_LOGGING_SYSLOG
case 's':
printf("Warning: -s option is deprecated, use -Lsd instead\n");
snmp_enable_syslog();
log_set = 1;
break;
case 'S':
printf("Warning: -S option is deprecated, use -Ls <facility> instead\n");
if (optarg != NULL) {
switch (*optarg) {
case 'd':
case 'D':
Facility = LOG_DAEMON;
break;
case 'i':
case 'I':
Facility = LOG_INFO;
break;
case '0':
Facility = LOG_LOCAL0;
break;
case '1':
Facility = LOG_LOCAL1;
break;
case '2':
Facility = LOG_LOCAL2;
break;
case '3':
Facility = LOG_LOCAL3;
break;
case '4':
Facility = LOG_LOCAL4;
break;
case '5':
Facility = LOG_LOCAL5;
break;
case '6':
Facility = LOG_LOCAL6;
break;
case '7':
Facility = LOG_LOCAL7;
break;
default:
fprintf(stderr, "invalid syslog facility: -S%c\n",*optarg);
usage(argv[0]);
}
snmp_enable_syslog_ident(snmp_log_syslogname(NULL), Facility);
log_set = 1;
} else {
fprintf(stderr, "no syslog facility specified\n");
usage(argv[0]);
}
break;
#endif /* NETSNMP_FEATURE_REMOVE_LOGGING_SYSLOG */
case 'U':
netsnmp_ds_toggle_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_LEAVE_PIDFILE);
break;
#if HAVE_UNISTD_H
case 'u':
if (optarg != NULL) {
char *ecp;
int uid;
uid = strtoul(optarg, &ecp, 10);
#if HAVE_GETPWNAM && HAVE_PWD_H
if (*ecp) {
struct passwd *info;
info = getpwnam(optarg);
uid = info ? info->pw_uid : -1;
endpwent();
}
#endif
if (uid < 0) {
fprintf(stderr, "Bad user id: %s\n", optarg);
exit(1);
}
netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_USERID, uid);
} else {
usage(argv[0]);
}
break;
#endif
case 'v':
version();
case 'V':
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_VERBOSE, 1);
break;
#if defined(USING_AGENTX_SUBAGENT_MODULE)|| defined(USING_AGENTX_MASTER_MODULE)
case 'x':
if (optarg != NULL) {
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_X_SOCKET, optarg);
} else {
usage(argv[0]);
}
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_AGENTX_MASTER, 1);
break;
#endif
case 'X':
#if defined(USING_AGENTX_SUBAGENT_MODULE)
agent_mode = SUB_AGENT;
#else
fprintf(stderr, "%s: Illegal argument -X:"
"AgentX support not compiled in.\n", argv[0]);
usage(argv[0]);
exit(1);
#endif
break;
case 'Y':
netsnmp_config_remember(optarg);
break;
default:
usage(argv[0]);
break;
}
}
if (do_help) {
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS, 1);
init_agent(app_name); /* register our .conf handlers */
init_mib_modules();
init_snmp(app_name);
fprintf(stderr, "Configuration directives understood:\n");
read_config_print_usage(" ");
exit(0);
}
if (optind < argc) {
#ifndef NETSNMP_NO_LISTEN_SUPPORT
/*
* There are optional transport addresses on the command line.
*/
DEBUGMSGTL(("snmpd/main", "optind %d, argc %d\n", optind, argc));
for (i = optind; i < argc; i++) {
char *c, *astring;
if ((c = netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_PORTS))) {
astring = (char*)malloc(strlen(c) + 2 + strlen(argv[i]));
if (astring == NULL) {
fprintf(stderr, "malloc failure processing argv[%d]\n", i);
exit(1);
}
sprintf(astring, "%s,%s", c, argv[i]);
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_PORTS, astring);
SNMP_FREE(astring);
} else {
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_PORTS, argv[i]);
}
}
DEBUGMSGTL(("snmpd/main", "port spec: %s\n",
netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_PORTS)));
#else /* NETSNMP_NO_LISTEN_SUPPORT */
fprintf(stderr, "You specified ports to open; this agent was built to only send notifications\n");
exit(1);
#endif /* NETSNMP_NO_LISTEN_SUPPORT */
}
#ifdef NETSNMP_LOGFILE
#ifndef NETSNMP_FEATURE_REMOVE_LOGGING_FILE
if (0 == log_set)
snmp_enable_filelog(NETSNMP_LOGFILE,
netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_APPEND_LOGFILES));
#endif /* NETSNMP_FEATURE_REMOVE_LOGGING_FILE */
#endif
#ifdef USING_UTIL_FUNCS_RESTART_MODULE
{
/*
* Initialize a argv set to the current for restarting the agent.
*/
char *cptr, **argvptr;
argvrestartp = (char **)malloc((argc + 2) * sizeof(char *));
argvptr = argvrestartp;
for (i = 0, ret = 1; i < argc; i++) {
ret += strlen(argv[i]) + 1;
}
argvrestart = (char *) malloc(ret);
argvrestartname = (char *) malloc(strlen(argv[0]) + 1);
if (!argvrestartp || !argvrestart || !argvrestartname) {
fprintf(stderr, "malloc failure processing argvrestart\n");
exit(1);
}
strcpy(argvrestartname, argv[0]);
for (cptr = argvrestart, i = 0; i < argc; i++) {
strcpy(cptr, argv[i]);
*(argvptr++) = cptr;
cptr += strlen(argv[i]) + 1;
}
}
#endif /* USING_UTIL_FUNCS_RESTART_MODULE */
if (agent_mode == -1) {
if (strstr(argv[0], "agentxd") != NULL) {
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_ROLE, SUB_AGENT);
} else {
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_ROLE, MASTER_AGENT);
}
} else {
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_ROLE, agent_mode);
}
SOCK_STARTUP;
if (init_agent(app_name) != 0) {
snmp_log(LOG_ERR, "Agent initialization failed\n");
exit(1);
}
init_mib_modules();
/*
* start library
*/
init_snmp(app_name);
if ((ret = init_master_agent()) != 0) {
/*
* Some error opening one of the specified agent transports.
*/
snmp_log(LOG_ERR, "Server Exiting with code 1\n");
exit(1);
}
/*
* Initialize the world. Detach from the shell. Create initial user.
*/
if(!dont_fork) {
int quit = ! netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_QUIT_IMMEDIATELY);
ret = netsnmp_daemonize(quit,
#ifndef NETSNMP_FEATURE_REMOVE_LOGGING_STDIO
snmp_stderrlog_status()
#else /* NETSNMP_FEATURE_REMOVE_LOGGING_STDIO */
0
#endif /* NETSNMP_FEATURE_REMOVE_LOGGING_STDIO */
);
/*
* xxx-rks: do we care if fork fails? I think we should...
*/
if(ret != 0) {
snmp_log(LOG_ERR, "Server Exiting with code 1\n");
exit(1);
}
}
#if HAVE_GETPID
if (pid_file != NULL) {
/*
* unlink the pid_file, if it exists, prior to open. Without
* doing this the open will fail if the user specified pid_file
* already exists.
*/
unlink(pid_file);
fd = open(pid_file, O_CREAT | O_EXCL | O_WRONLY, 0600);
if (fd == -1) {
snmp_log_perror(pid_file);
if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) {
exit(1);
}
} else {
if ((PID = fdopen(fd, "w")) == NULL) {
snmp_log_perror(pid_file);
exit(1);
} else {
fprintf(PID, "%d\n", (int) getpid());
fclose(PID);
}
#ifndef _MSC_VER
/* The sequence open()/fdopen()/fclose()/close() makes MSVC crash,
hence skip the close() call when using the MSVC runtime. */
close(fd);
#endif
}
}
#endif
#if defined(HAVE_UNISTD_H) && (defined(HAVE_CHOWN) || defined(HAVE_SETGID) || defined(HAVE_SETUID))
{
const char *persistent_dir;
int uid, gid;
persistent_dir = get_persistent_directory();
mkdirhier( persistent_dir, NETSNMP_AGENT_DIRECTORY_MODE, 0 );
uid = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_USERID);
gid = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_GROUPID);
#ifdef HAVE_CHOWN
if ( uid != 0 || gid != 0 )
chown( persistent_dir, uid, gid );
#endif
#ifdef HAVE_SETGID
if ((gid = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_GROUPID)) > 0) {
DEBUGMSGTL(("snmpd/main", "Changing gid to %d.\n", gid));
if (setgid(gid) == -1
#ifdef HAVE_SETGROUPS
|| setgroups(1, (gid_t *)&gid) == -1
#endif
) {
snmp_log_perror("setgid failed");
if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) {
exit(1);
}
}
}
#endif
#ifdef HAVE_SETUID
if ((uid = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_USERID)) > 0) {
#if HAVE_GETPWNAM && HAVE_PWD_H && HAVE_INITGROUPS
struct passwd *info;
/*
* Set supplementary groups before changing UID
* (which probably involves giving up privileges)
*/
info = getpwuid(uid);
if (info) {
DEBUGMSGTL(("snmpd/main", "Supplementary groups for %s.\n", info->pw_name));
if (initgroups(info->pw_name, (gid != 0 ? (gid_t)gid : info->pw_gid)) == -1) {
snmp_log_perror("initgroups failed");
if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) {
exit(1);
}
}
}
endpwent();
#endif
DEBUGMSGTL(("snmpd/main", "Changing uid to %d.\n", uid));
if (setuid(uid) == -1) {
snmp_log_perror("setuid failed");
if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) {
exit(1);
}
}
}
#endif
}
#endif
/*
* Store persistent data immediately in case we crash later.
*/
snmp_store(app_name);
#ifdef SIGHUP
DEBUGMSGTL(("signal", "registering SIGHUP signal handler\n"));
signal(SIGHUP, SnmpdReconfig);
#endif
/*
* Send coldstart trap if possible.
*/
send_easy_trap(0, 0);
/*
* We're up, log our version number.
*/
snmp_log(LOG_INFO, "NET-SNMP version %s\n", netsnmp_get_version());
#ifdef WIN32SERVICE
agent_status = AGENT_RUNNING;
#endif
netsnmp_addrcache_initialise();
/*
* Let systemd know we're up.
*/
#ifndef NETSNMP_NO_SYSTEMD
netsnmp_sd_notify(1, "READY=1\n");
if (prepared_sockets)
/*
* Clear the environment variable, we already processed all the sockets
* by now.
*/
netsnmp_sd_listen_fds(1);
#endif
/*
* Forever monitor the dest_port for incoming PDUs.
*/
DEBUGMSGTL(("snmpd/main", "We're up. Starting to process data.\n"));
if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_QUIT_IMMEDIATELY))
receive();
DEBUGMSGTL(("snmpd/main", "sending shutdown trap\n"));
SnmpTrapNodeDown();
DEBUGMSGTL(("snmpd/main", "Bye...\n"));
snmp_shutdown(app_name);
shutdown_master_agent();
shutdown_agent();
if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_LEAVE_PIDFILE) &&
(pid_file != NULL)) {
unlink(pid_file);
}
#ifdef WIN32SERVICE
agent_status = AGENT_STOPPED;
#endif
#ifdef USING_UTIL_FUNCS_RESTART_MODULE
SNMP_FREE(argvrestartname);
SNMP_FREE(argvrestart);
SNMP_FREE(argvrestartp);
#endif /* USING_UTIL_FUNCS_RESTART_MODULE */
SOCK_CLEANUP;
return 0;
} /* End main() -- snmpd */
/* extract regular file */
int
tar_extract_regfile(TAR *t, char *realname)
{
mode_t mode;
size_t size;
uid_t uid;
gid_t gid;
int fdout;
int i, k;
char buf[T_BLOCKSIZE];
char *filename;
#ifdef DEBUG
printf("==> tar_extract_regfile(t=0x%lx, realname=\"%s\")\n", t,
realname);
#endif
if (!TH_ISREG(t))
{
errno = EINVAL;
return -1;
}
filename = (realname ? realname : th_get_pathname(t));
mode = th_get_mode(t);
size = th_get_size(t);
uid = th_get_uid(t);
gid = th_get_gid(t);
if (mkdirhier(dirname(filename)) == -1)
return -1;
#ifdef DEBUG
printf(" ==> extracting: %s (mode %04o, uid %d, gid %d, %d bytes)\n",
filename, mode, uid, gid, size);
#endif
fdout = open(filename, O_WRONLY | O_CREAT | O_TRUNC
#ifdef O_BINARY
| O_BINARY
#endif
, 0666);
if (fdout == -1)
{
#ifdef DEBUG
perror("open()");
#endif
return -1;
}
#if 0
/* change the owner. (will only work if run as root) */
if (fchown(fdout, uid, gid) == -1 && errno != EPERM)
{
#ifdef DEBUG
perror("fchown()");
#endif
return -1;
}
/* make sure the mode isn't inheritted from a file we're overwriting */
if (fchmod(fdout, mode & 07777) == -1)
{
#ifdef DEBUG
perror("fchmod()");
#endif
return -1;
}
#endif
/* extract the file */
for (i = size; i > 0; i -= T_BLOCKSIZE)
{
k = tar_block_read(t, buf);
if (k != T_BLOCKSIZE)
{
if (k != -1)
errno = EINVAL;
return -1;
}
/* write block to output file */
if (write(fdout, buf,
((i > T_BLOCKSIZE) ? T_BLOCKSIZE : i)) == -1)
return -1;
}
/* close output file */
if (close(fdout) == -1)
return -1;
#ifdef DEBUG
printf("### done extracting %s\n", filename);
#endif
return 0;
}
/*
* Open the status file. If scantime is not -1, the file is opened
* for updating, otherwise, it is opened read-only. If the status file
* couldn't be opened, NULL is returned and errmsg is set to the error
* message.
*/
struct status *
status_open(struct coll *coll, time_t scantime, char **errmsg)
{
struct status *st;
struct stream *file;
struct fattr *fa;
char *destpath, *path;
int error, rv;
path = coll_statuspath(coll);
file = stream_open_file(path, O_RDONLY);
if (file == NULL) {
if (errno != ENOENT) {
xasprintf(errmsg, "Could not open \"%s\": %s\n",
path, strerror(errno));
free(path);
return (NULL);
}
st = status_fromnull(path);
} else {
st = status_fromrd(path, file);
if (st == NULL) {
xasprintf(errmsg, "Error in \"%s\": Bad header line",
path);
free(path);
return (NULL);
}
}
if (scantime != -1) {
/* Open for writing too. */
xasprintf(&destpath, "%s/%s/%s/", coll->co_base,
coll->co_colldir, coll->co_name);
st->tempfile = tempname(destpath);
if (mkdirhier(destpath, coll->co_umask) != 0) {
xasprintf(errmsg, "Cannot create directories leading "
"to \"%s\": %s", destpath, strerror(errno));
free(destpath);
status_free(st);
return (NULL);
}
free(destpath);
st->wr = stream_open_file(st->tempfile,
O_CREAT | O_TRUNC | O_WRONLY, 0644);
if (st->wr == NULL) {
xasprintf(errmsg, "Cannot create \"%s\": %s",
st->tempfile, strerror(errno));
status_free(st);
return (NULL);
}
fa = fattr_new(FT_FILE, -1);
fattr_mergedefault(fa);
fattr_umask(fa, coll->co_umask);
rv = fattr_install(fa, st->tempfile, NULL);
fattr_free(fa);
if (rv == -1) {
xasprintf(errmsg,
"Cannot set attributes for \"%s\": %s",
st->tempfile, strerror(errno));
status_free(st);
return (NULL);
}
if (scantime != st->scantime)
st->dirty = 1;
error = proto_printf(st->wr, "F %d %t\n", STATUS_VERSION,
scantime);
if (error) {
st->error = STATUS_ERR_WRITE;
st->suberror = errno;
*errmsg = status_errmsg(st);
status_free(st);
return (NULL);
}
}
return (st);
}
void
real_init_master(void)
{
netsnmp_session sess, *session;
char *agentx_sockets;
char *cp1, *cp2;
#ifdef SNMP_TRANSPORT_UNIX_DOMAIN
int agentx_dir_perm;
int agentx_sock_perm;
int agentx_sock_user;
int agentx_sock_group;
#endif
if (netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE) != MASTER_AGENT)
return;
if (netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_X_SOCKET)) {
agentx_sockets = strdup(netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_X_SOCKET));
#ifdef AGENTX_DOM_SOCK_ONLY
if (agentx_sockets[0] != '/') {
/* unix:/path */
if (agentx_sockets[5] != '/') {
snmp_log(LOG_ERR,
"Error: %s transport is not supported, disabling agentx/master.\n", agentx_sockets);
SNMP_FREE(agentx_sockets);
return;
}
}
#endif
} else {
agentx_sockets = strdup(AGENTX_SOCKET);
}
DEBUGMSGTL(("agentx/master", "initializing...\n"));
snmp_sess_init(&sess);
sess.version = AGENTX_VERSION_1;
sess.flags |= SNMP_FLAGS_STREAM_SOCKET;
sess.timeout = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_AGENTX_TIMEOUT);
sess.retries = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_AGENTX_RETRIES);
cp1 = agentx_sockets;
while (1) {
/*
* If the AgentX socket string contains multiple descriptors,
* then pick this apart and handle them one by one.
*
*/
cp2 = strchr(cp1, ',');
if (cp2 != NULL) {
*cp2 = '\0';
}
sess.peername = cp1;
if (cp2 != NULL) {
cp1 = cp2+1;
}
if (sess.peername[0] == '/') {
#ifdef SNMP_TRANSPORT_UNIX_DOMAIN
/*
* If this is a Unix pathname,
* try and create the directory first.
*/
agentx_dir_perm = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_X_DIR_PERM);
if (agentx_dir_perm == 0)
agentx_dir_perm = AGENT_DIRECTORY_MODE;
if (mkdirhier(sess.peername, (mode_t)agentx_dir_perm, 1)) {
snmp_log(LOG_ERR,
"Failed to create the directory for the agentX socket: %s\n",
sess.peername);
}
#else
netsnmp_sess_log_error(LOG_WARNING,
"unix domain support not available\n",
&sess);
#endif
}
/*
* Otherwise, let 'snmp_open' interpret the string.
*/
sess.local_port = AGENTX_PORT; /* Indicate server & set default port */
sess.remote_port = 0;
sess.callback = handle_master_agentx_packet;
session = snmp_open_ex(&sess, NULL, agentx_parse, NULL, NULL,
agentx_realloc_build, agentx_check_packet);
if (session == NULL && sess.s_errno == EADDRINUSE) {
/*
* Could be a left-over socket (now deleted)
* Try again
*/
session = snmp_open_ex(&sess, NULL, agentx_parse, NULL, NULL,
agentx_realloc_build, agentx_check_packet);
}
if (session == NULL) {
/*
* diagnose snmp_open errors with the input netsnmp_session pointer
*/
if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) {
snmp_sess_perror
("Error: Couldn't open a master agentx socket to listen on",
&sess);
exit(1);
} else {
netsnmp_sess_log_error(LOG_WARNING,
"Warning: Couldn't open a agentx master socket to listen on",
&sess);
}
}
#ifdef SNMP_TRANSPORT_UNIX_DOMAIN
/*
* Apply any settings to the ownership/permissions of the AgentX socket
*/
agentx_sock_perm = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_X_SOCK_PERM);
agentx_sock_user = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_X_SOCK_USER);
agentx_sock_group = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_X_SOCK_GROUP);
if (agentx_sock_perm != 0)
chmod(sess.peername, agentx_sock_perm);
if (agentx_sock_user || agentx_sock_group) {
/*
* If either of user or group haven't been set,
* then leave them unchanged.
*/
if (agentx_sock_user == 0 )
agentx_sock_user = -1;
if (agentx_sock_group == 0 )
agentx_sock_group = -1;
chown(sess.peername, agentx_sock_user, agentx_sock_group);
}
#endif
/*
* If we've processed the last (or only) socket, then we're done.
*/
if (!cp2)
break;
}
SNMP_FREE(agentx_sockets);
DEBUGMSGTL(("agentx/master", "initializing... DONE\n"));
}
