int main(int argc, char **argv)
{
SetDefaultLogging("TEST");
SetNamePgm("verif_syntax");
char *errtxt;
char *fichier;
config_file_t config;
if ((argc > 1) && (argv[1])) {
fichier = argv[1];
} else {
LogTest("Usage %s <config_file>", argv[0]);
exit(EINVAL);
}
/* test de la syntaxe du fichier */
config = config_ParseFile(fichier);
if (config == NULL) {
LogTest("Error parsing %s", argv[1]);
exit(EINVAL);
} else {
LogTest("The syntax of the file %s is correct!", argv[1]);
exit(0);
}
config_Free(config);
return 0;
}
/* Skips deleting first entry of export list. */
int rebuild_export_list()
{
#ifndef FIXME_EXPORT_RELOAD
return 0;
#else
int status = 0;
config_file_t config_struct;
/* If no configuration file is given, then the caller must want to reparse the
* configuration file from startup. */
if(config_path[0] == '\0')
{
LogCrit(COMPONENT_CONFIG,
"Error: No configuration file was specified for reloading exports.");
return 0;
}
/* Attempt to parse the new configuration file */
config_struct = config_ParseFile(config_path);
if(!config_struct)
{
LogCrit(COMPONENT_CONFIG,
"rebuild_export_list: Error while parsing new configuration file %s: %s",
config_path, config_GetErrorMsg());
return 0;
}
/* Create the new exports list */
status = ReadExports(config_struct, &temp_exportlist);
if(status < 0)
{
LogCrit(COMPONENT_CONFIG,
"rebuild_export_list: Error while parsing export entries");
return status;
}
else if(status == 0)
{
LogWarn(COMPONENT_CONFIG,
"rebuild_export_list: No export entries found in configuration file !!!");
return 0;
}
/* At least one worker thread should exist. Each worker thread has a pointer to
* the same hash table. */
if(nfs_export_create_root_entry(&temp_exportlist) != TRUE)
{
LogCrit(COMPONENT_MAIN,
"replace_exports: Error initializing Cache Inode root entries");
return 0;
}
return 1;
#endif
}
/* Skips deleting first entry of export list. */
int rebuild_export_list(void)
{
#if 0
int status = 0;
config_file_t config_struct;
/* If no configuration file is given, then the caller must want to reparse the
* configuration file from startup. */
if(config_path == NULL)
{
LogCrit(COMPONENT_CONFIG,
"Error: No configuration file was specified for reloading exports.");
return 0;
}
/* Attempt to parse the new configuration file */
config_struct = config_ParseFile(config_path);
if(!config_struct)
{
LogCrit(COMPONENT_CONFIG,
"rebuild_export_list: Error while parsing new configuration file %s: %s",
config_path, config_GetErrorMsg());
return 0;
}
/* Create the new exports list */
status = ReadExports(config_struct, &temp_exportlist);
if(status < 0)
{
LogCrit(COMPONENT_CONFIG,
"rebuild_export_list: Error while parsing export entries");
return status;
}
else if(status == 0)
{
LogWarn(COMPONENT_CONFIG,
"rebuild_export_list: No export entries found in configuration file !!!");
return 0;
}
return 1;
#else
return 0;
#endif
}
int nfs_get_fsalpathlib_conf(char *configPath, path_str_t * PathLib, unsigned int *plen)
{
int var_max;
int var_index;
int err;
char *key_name;
char *key_value;
config_item_t block;
unsigned int found = FALSE;
config_file_t config_struct;
unsigned int index=0 ;
/* Is the config tree initialized ? */
if(configPath == NULL || PathLib == NULL)
LogFatal(COMPONENT_CONFIG,
"nfs_get_fsalpathlib_conf configPath=%p PathLib=%p",
configPath, PathLib);
config_struct = config_ParseFile(configPath);
if(!config_struct)
LogFatal(COMPONENT_CONFIG,
"Error while parsing %s: %s",
configPath, config_GetErrorMsg());
/* Get the config BLOCK */
if((block = config_FindItemByName(config_struct, CONF_LABEL_NFS_CORE)) == NULL)
{
LogFatal(COMPONENT_CONFIG,
"Cannot read item \"%s\" from configuration file",
CONF_LABEL_NFS_CORE);
}
else if(config_ItemType(block) != CONFIG_ITEM_BLOCK)
{
/* Expected to be a block */
LogFatal(COMPONENT_CONFIG,
"Item \"%s\" is expected to be a block",
CONF_LABEL_NFS_CORE);
}
var_max = config_GetNbItems(block);
for(var_index = 0; var_index < var_max; var_index++)
{
config_item_t item;
item = config_GetItemByIndex(block, var_index);
/* Get key's name */
if((err = config_GetKeyValue(item, &key_name, &key_value)) != 0)
{
LogFatal(COMPONENT_CONFIG,
"Error reading key[%d] from section \"%s\" of configuration file.",
var_index, CONF_LABEL_NFS_CORE);
}
if(!strcasecmp(key_name, "FSAL_Shared_Library"))
{
strncpy(PathLib[index], key_value, MAXPATHLEN);
index += 1 ;
found = TRUE;
/* Do not exceed array size */
if( index == *plen )
break ;
}
}
if(!found)
{
LogFatal(COMPONENT_CONFIG,
"FSAL_Shared_Library not found");
return 1;
}
*plen = index ;
return 0;
} /* nfs_get_fsalpathlib_conf */
int main(int argc, char *argv[])
{
char *tempo_exec_name = NULL;
char localmachine[MAXHOSTNAMELEN + 1];
int c;
int pidfile;
#ifndef HAVE_DAEMON
pid_t son_pid;
#endif
sigset_t signals_to_block;
/* Set the server's boot time and epoch */
now(&ServerBootTime);
ServerEpoch = (time_t) ServerBootTime.tv_sec;
tempo_exec_name = strrchr(argv[0], '/');
if (tempo_exec_name != NULL) {
exec_name = gsh_strdup(tempo_exec_name + 1);
if (!exec_name) {
fprintf(stderr,
"Unable to allocate memory for exec name, exiting...\n");
exit(1);
}
}
if (*exec_name == '\0')
exec_name = argv[0];
/* get host name */
if (gethostname(localmachine, sizeof(localmachine)) != 0) {
fprintf(stderr, "Could not get local host name, exiting...\n");
exit(1);
} else {
host_name = gsh_strdup(localmachine);
if (!host_name) {
fprintf(stderr,
"Unable to allocate memory for hostname, exiting...\n");
exit(1);
}
}
/* now parsing options with getopt */
while ((c = getopt(argc, argv, options)) != EOF) {
switch (c) {
case '@':
/* A litlle backdoor to keep track of binary versions */
printf("%s compiled on %s at %s\n", exec_name, __DATE__,
__TIME__);
printf("Release = %s\n", VERSION);
printf("Release comment = %s\n", VERSION_COMMENT);
printf("Git HEAD = %s\n", _GIT_HEAD_COMMIT);
printf("Git Describe = %s\n", _GIT_DESCRIBE);
exit(0);
break;
case 'L':
/* Default Log */
log_path = gsh_strdup(optarg);
if (!log_path) {
fprintf(stderr,
"Unable to allocate memory for log path.\n");
exit(1);
}
break;
case 'N':
/* debug level */
debug_level = ReturnLevelAscii(optarg);
if (debug_level == -1) {
fprintf(stderr,
"Invalid value for option 'N': NIV_NULL, NIV_MAJ, NIV_CRIT, NIV_EVENT, NIV_DEBUG, NIV_MID_DEBUG or NIV_FULL_DEBUG expected.\n");
exit(1);
}
break;
case 'f':
/* config file */
config_path = gsh_strdup(optarg);
if (!config_path) {
fprintf(stderr,
"Unable to allocate memory for config path.\n");
exit(1);
}
break;
case 'p':
/* PID file */
pidfile_path = gsh_strdup(optarg);
if (!pidfile_path) {
fprintf(stderr,
"Path %s too long for option 'f'.\n",
optarg);
exit(1);
}
break;
case 'd':
/* Detach or not detach ? */
detach_flag = true;
break;
case 'R':
/* Shall we manage RPCSEC_GSS ? */
fprintf(stderr,
"\n\nThe -R flag is deprecated, use this syntax in the configuration file instead:\n\n");
fprintf(stderr, "NFS_KRB5\n");
fprintf(stderr, "{\n");
fprintf(stderr,
"\tPrincipalName = nfs@<your_host> ;\n");
fprintf(stderr, "\tKeytabPath = /etc/krb5.keytab ;\n");
fprintf(stderr, "\tActive_krb5 = true ;\n");
fprintf(stderr, "}\n\n\n");
exit(1);
break;
case 'T':
/* Dump the default configuration on stdout */
my_nfs_start_info.dump_default_config = true;
break;
case 'E':
ServerEpoch = (time_t) atoll(optarg);
break;
case '?':
case 'h':
default:
/* display the help */
fprintf(stderr, usage, exec_name);
exit(0);
break;
}
}
/* initialize memory and logging */
nfs_prereq_init(exec_name, host_name, debug_level, log_path);
LogEvent(COMPONENT_MAIN,
"%s Starting: Version %s, built at %s %s on %s",
exec_name, GANESHA_VERSION, __DATE__, __TIME__, BUILD_HOST);
/* Start in background, if wanted */
if (detach_flag) {
#ifdef HAVE_DAEMON
/* daemonize the process (fork, close xterm fds,
* detach from parent process) */
if (daemon(0, 0))
LogFatal(COMPONENT_MAIN,
"Error detaching process from parent: %s",
strerror(errno));
#else
/* Step 1: forking a service process */
switch (son_pid = fork()) {
case -1:
/* Fork failed */
LogFatal(COMPONENT_MAIN,
"Could not start nfs daemon (fork error %d (%s)",
errno, strerror(errno));
break;
case 0:
/* This code is within the son (that will actually work)
* Let's make it the leader of its group of process */
if (setsid() == -1) {
LogFatal(COMPONENT_MAIN,
"Could not start nfs daemon (setsid error %d (%s)",
errno, strerror(errno));
}
break;
default:
/* This code is within the parent process,
* it is useless, it must die */
LogFullDebug(COMPONENT_MAIN,
"Starting a child of pid %d",
son_pid);
exit(0);
break;
}
#endif
}
/* Make sure Linux file i/o will return with error
* if file size is exceeded. */
#ifdef _LINUX
signal(SIGXFSZ, SIG_IGN);
#endif
/* Echo PID into pidfile */
pidfile = open(pidfile_path, O_CREAT | O_RDWR, 0644);
if (pidfile == -1) {
LogFatal(COMPONENT_MAIN, "Can't open pid file %s for writing",
pidfile_path);
} else {
char linebuf[1024];
struct flock lk;
/* Try to obtain a lock on the file */
lk.l_type = F_WRLCK;
lk.l_whence = SEEK_SET;
lk.l_start = (off_t) 0;
lk.l_len = (off_t) 0;
if (fcntl(pidfile, F_SETLK, &lk) == -1)
LogFatal(COMPONENT_MAIN, "Ganesha already started");
/* Put pid into file, then close it */
(void)snprintf(linebuf, sizeof(linebuf), "%u\n", getpid());
if (write(pidfile, linebuf, strlen(linebuf)) == -1)
LogCrit(COMPONENT_MAIN, "Couldn't write pid to file %s",
pidfile_path);
}
/* Set up for the signal handler.
* Blocks the signals the signal handler will handle.
*/
sigemptyset(&signals_to_block);
sigaddset(&signals_to_block, SIGTERM);
sigaddset(&signals_to_block, SIGHUP);
sigaddset(&signals_to_block, SIGPIPE);
if (pthread_sigmask(SIG_BLOCK, &signals_to_block, NULL) != 0)
LogFatal(COMPONENT_MAIN,
"Could not start nfs daemon, pthread_sigmask failed");
/* Parse the configuration file so we all know what is going on. */
if (config_path == NULL) {
LogFatal(COMPONENT_INIT,
"start_fsals: No configuration file named.");
return 1;
}
config_struct = config_ParseFile(config_path);
if (!config_struct) {
LogFatal(COMPONENT_INIT, "Error while parsing %s: %s",
config_path, config_GetErrorMsg());
}
/* We need all the fsal modules loaded so we can have
* the list available at exports parsing time.
*/
start_fsals(config_struct);
/* parse configuration file */
if (nfs_set_param_from_conf(config_struct, &my_nfs_start_info)) {
LogFatal(COMPONENT_INIT,
"Error setting parameters from configuration file.");
}
if (nfs_check_param_consistency()) {
LogFatal(COMPONENT_INIT,
"Inconsistent parameters found. Exiting...");
}
if (init_fsals(config_struct)) { /* init the FSALs from the config */
LogFatal(COMPONENT_INIT,
"FSALs could not initialize. Exiting...");
}
/* freeing syntax tree : */
config_Free(config_struct);
/* Everything seems to be OK! We can now start service threads */
nfs_start(&my_nfs_start_info);
return 0;
}
int
auks_acl_init_from_config_file(auks_acl_t * p_acl, char *acl_file)
{
int fstatus = AUKS_ERROR;
config_file_t config;
int block_nb;
char *principal;
char *host;
char *role_string;
enum AUKS_ACL_ROLE role;
int i;
/* conf parsing */
config = config_ParseFile(acl_file);
if (!config) {
auks_error("unable to parse configuration file %s : %s",
acl_file, extern_errormsg);
fstatus = AUKS_ERROR_ACL_PARSING;
goto exit;
}
auks_log("configuration file (%s) successfully parsed", acl_file);
/* block nb */
block_nb = config_GetNbBlocks(config);
if (block_nb <= 0) {
auks_error("unable to get configuration blocks nb from "
"config file %s : %s", acl_file, extern_errormsg);
fstatus = AUKS_ERROR_ACL_FILE_IS_EMPTY;
goto parse_exit;
}
auks_log2("configuration blocks nb (%d) successfully extracted",
block_nb);
/* acl init */
if (auks_acl_init(p_acl, block_nb) != 0) {
auks_error("unable to init Auks ACL structure");
fstatus = AUKS_ERROR_ACL_INIT;
goto parse_exit;
}
auks_log2("Auks ACL structure successfully initialized");
/* block loop */
fstatus = 0;
for (i = 0; i < block_nb; i++) {
char *block_name;
block_name = config_GetBlockName(config, i);
/* keep only rule block */
if (strncmp("rule", block_name, 7) != 0)
continue;
role_string = config_GetKeyValueByName(config, i, "role");
principal =
config_GetKeyValueByName(config, i, "principal");
host = config_GetKeyValueByName(config, i, "host");
if (role_string == NULL) {
auks_error("no role defined in rule[%d] of %s", i,
acl_file);
continue;
}
if (strncmp("user", role_string, 5) == 0) {
role = AUKS_ACL_ROLE_USER;
} else if (strncmp("admin", role_string, 6) == 0) {
role = AUKS_ACL_ROLE_ADMIN;
} else if (strncmp("guest", role_string, 5) == 0) {
role = AUKS_ACL_ROLE_GUEST;
} else {
auks_error("invalid role for rule[%d]", i,
acl_file, extern_errormsg);
fstatus++;
continue;
}
if (auks_acl_add_rule(p_acl, principal, host, role)) {
auks_error("unable to add rule[%d] to auks_acl", i);
fstatus++;
} else {
auks_log("rule[%d] '%s:%s => %s' successfully add",
i, principal, host, role_string);
}
} /* EOF block loop */
/* clean acl if errors occured during creation */
if (fstatus) {
auks_acl_free_contents(p_acl);
fstatus = AUKS_ERROR_ACL_FILE_IS_INVALID;
}
parse_exit:
/* free config file */
config_Free(config);
exit:
return fstatus;
}
int
auksd_engine_init_from_config_file(auksd_engine_t * engine,
char *conf_file)
{
int fstatus = AUKS_ERROR;
char* l_conf_file;
char* e_conf_file;
config_file_t config;
int block_nb;
char *phost;
char *padd;
char *pport;
char *pprinc;
char *pktb;
char *shost;
char *sadd;
char *sport;
char *sprinc;
char *sktb;
char *cdir;
char *afile;
char *lfile;
char *dfile;
char *ll_str;
char *dl_str;
char *tnb_str;
char *qs_str;
char *rs_str;
char *rd_str;
char *nat_str;
char *krc_str;
long int ll, dl, tnb, qs, rs, rd;
int nat, krc;
int i;
int valid_block_nb=0;
if ( conf_file != NULL )
l_conf_file = conf_file;
else {
e_conf_file = getenv("AUKSD_CONF");
if ( e_conf_file != NULL )
l_conf_file = e_conf_file ;
else
l_conf_file = DEFAULT_AUKSD_CONF ;
}
/* parse configuration file */
config = config_ParseFile(l_conf_file);
if (!config) {
auks_error("unable to parse configuration file %s : %s",
l_conf_file, extern_errormsg);
fstatus = AUKS_ERROR_ENGINE_CONFFILE_PARSING ;
goto exit;
}
/* get conf blocks quantity */
block_nb = config_GetNbBlocks(config);
if (block_nb <= 0) {
auks_error("unable to get configuration blocks from config "
"file %s : %s", l_conf_file, extern_errormsg);
fstatus = AUKS_ERROR_ENGINE_CONFFILE_INVALID ;
goto parse_exit;
}
/* look for relevants block and add contents to engine conf */
fstatus = AUKS_ERROR_ENGINE_CONFFILE_INCOMPLETE ;
for (i = 0; i < block_nb; i++) {
char *block_name;
block_name = config_GetBlockName(config, i);
/* skip non config blocks */
if (strncmp("common", block_name, 7) != 0) {
continue;
}
auks_log
("initializing engine from 'common' block of file %s",
l_conf_file);
/* primary server conf value */
phost = config_GetKeyValueByName(config,i,"PrimaryHost");
if (phost == NULL)
phost = DEFAULT_AUKSD_PRIMARY_HOST;
padd = config_GetKeyValueByName(config,i,"PrimaryAddress");
if (padd == NULL)
padd = DEFAULT_AUKSD_PRIMARY_ADDR;
pport = config_GetKeyValueByName(config,i,"PrimaryPort");
if (pport == NULL)
pport = DEFAULT_AUKSD_PRIMARY_PORT;
pprinc = config_GetKeyValueByName(config,i,"PrimaryPrincipal");
if (pprinc == NULL)
pprinc = DEFAULT_AUKSD_PRIMARY_PRINC;
/* secondary server conf value */
shost = config_GetKeyValueByName(config,i,"SecondaryHost");
if (shost == NULL)
shost = DEFAULT_AUKSD_SECONDARY_HOST;
sadd = config_GetKeyValueByName(config,i,"SecondaryAddress");
if (sadd == NULL)
sadd = DEFAULT_AUKSD_SECONDARY_ADDR;
sport = config_GetKeyValueByName(config,i,"SecondaryPort");
if (sport == NULL)
sport = DEFAULT_AUKSD_SECONDARY_PORT;
sprinc = config_GetKeyValueByName(config,i,
"SecondaryPrincipal");
if (sprinc == NULL)
sprinc = DEFAULT_AUKSD_SECONDARY_PRINC;
/* NAT traversal mode */
nat_str =
config_GetKeyValueByName(config, i, "NAT") ;
if (nat_str == NULL)
nat = DEFAULT_AUKS_NAT_TRAVERSAL ;
else if ( strncasecmp(nat_str,"yes",4) ==0 )
nat = 1 ;
else
nat = 0 ;
valid_block_nb++;
} /* EOF for */
for (i = 0; i < block_nb; i++) {
char *block_name;
block_name = config_GetBlockName(config, i);
/* skip non config blocks */
if (strncmp("auksd", block_name, 5) != 0) {
continue;
}
auks_log
("initializing engine from 'auksd' block of file %s",
l_conf_file);
/* primary server conf value */
pktb = config_GetKeyValueByName(config,i,"PrimaryKeytab");
if (pktb == NULL)
pktb = DEFAULT_AUKSD_PRIMARY_KEYTAB;
/* secondary server conf value */
sktb = config_GetKeyValueByName(config,i,"SecondaryKeytab");
if (sktb == NULL)
sktb = DEFAULT_AUKSD_SECONDARY_KEYTAB;
/* cache dir value */
cdir = config_GetKeyValueByName(config,i,"CacheDir");
if (cdir == NULL)
cdir = DEFAULT_AUKSD_CACHEDIR;
/* acl file value */
afile = config_GetKeyValueByName(config,i,"ACLFile");
if (afile == NULL)
afile = DEFAULT_AUKSD_ACLFILE;
/* read log file value */
lfile = config_GetKeyValueByName(config,i,"LogFile");
if (lfile == NULL)
lfile = DEFAULT_AUKSD_LOGFILE;
/* read log level value */
ll_str = config_GetKeyValueByName(config,i,"LogLevel");
if (ll_str == NULL)
ll = DEFAULT_AUKSD_LOGLEVEL;
else
ll = strtol(ll_str, NULL, 10);
if (ll == LONG_MIN || ll == LONG_MAX)
ll = DEFAULT_AUKSD_LOGLEVEL;
/* read debug file value */
dfile = config_GetKeyValueByName(config,i,"DebugFile");
if (dfile == NULL)
dfile = DEFAULT_AUKSD_DEBUGFILE;
/* read debug level value */
dl_str = config_GetKeyValueByName(config,i,"DebugLevel");
if (dl_str == NULL)
dl = DEFAULT_AUKSD_DEBUGLEVEL;
else
dl = strtol(dl_str, NULL, 10);
if (dl == LONG_MIN || dl == LONG_MAX)
dl = DEFAULT_AUKSD_DEBUGLEVEL;
/* read threads nb value */
tnb_str =
config_GetKeyValueByName(config,i,"Workers");
if (tnb_str == NULL)
tnb = DEFAULT_AUKSD_THREADS_NB;
else
tnb = strtol(tnb_str, NULL, 10);
if (tnb == LONG_MIN || tnb == LONG_MAX)
tnb = DEFAULT_AUKSD_THREADS_NB;
/* read queue size */
qs_str = config_GetKeyValueByName(config,i,"QueueSize");
if (qs_str == NULL)
qs = DEFAULT_AUKSD_QUEUE_SIZE;
else
qs = strtol(qs_str, NULL, 10);
if (qs == LONG_MIN || qs == LONG_MAX)
qs = DEFAULT_AUKSD_QUEUE_SIZE;
/* read repository size */
rs_str = config_GetKeyValueByName(config,i,"RepoSize");
if (rs_str == NULL)
rs = DEFAULT_AUKSD_REPO_SIZE;
else
rs = strtol(rs_str, NULL, 10);
if (rs == LONG_MIN || rs == LONG_MAX)
rs = DEFAULT_AUKSD_REPO_SIZE;
/* clean delay */
rd_str =
config_GetKeyValueByName(config,i,"CleanDelay");
if (rd_str == NULL)
rd = DEFAULT_AUKSD_CLEAN_DELAY;
else
rd = strtol(rd_str, NULL, 10);
if (rd == LONG_MIN || rd == LONG_MAX)
rd = DEFAULT_AUKSD_CLEAN_DELAY;
/* Kerberos Replay cache mode */
krc_str =
config_GetKeyValueByName(config, i, "ReplayCache") ;
if (krc_str == NULL)
krc = DEFAULT_AUKS_REPLAY_CACHE ;
else if ( strncasecmp(krc_str,"yes",4) ==0 )
krc = 1 ;
else
krc = 0 ;
valid_block_nb++;
} /* EOF for */
if ( valid_block_nb == 2 )
fstatus = AUKS_SUCCESS;
if ( fstatus == AUKS_SUCCESS ) {
/* init auksd engine */
fstatus = auksd_engine_init(engine,
phost,padd, pport, pprinc, pktb,
shost,sadd, sport, sprinc, sktb,
cdir, afile, lfile, ll, dfile,
dl, tnb, qs, rs, rd,nat,krc);
/* init ok, break */
if (fstatus == 0) {
auks_log("initialization succeed");
} else
auks_error("initialization failed");
}
parse_exit:
/* free config file */
config_Free(config);
exit:
return fstatus;
}
int main(int argc, char *argv[])
{
char *tempo_exec_name = NULL;
char localmachine[MAXHOSTNAMELEN + 1];
int c;
int dsc;
int rc;
int pidfile;
char *log_path = NULL;
char *exec_name = "nfs-ganesha";
int debug_level = -1;
int detach_flag = true;
bool dump_trace = false;
#ifndef HAVE_DAEMON
int dev_null_fd = 0;
pid_t son_pid;
#endif
sigset_t signals_to_block;
struct config_error_type err_type;
/* Set the server's boot time and epoch */
now(&nfs_ServerBootTime);
nfs_ServerEpoch = (time_t) nfs_ServerBootTime.tv_sec;
srand(nfs_ServerEpoch);
tempo_exec_name = strrchr(argv[0], '/');
if (tempo_exec_name != NULL)
exec_name = main_strdup("exec_name", tempo_exec_name + 1);
if (*exec_name == '\0')
exec_name = argv[0];
/* get host name */
if (gethostname(localmachine, sizeof(localmachine)) != 0) {
fprintf(stderr, "Could not get local host name, exiting...\n");
exit(1);
} else {
nfs_host_name = main_strdup("host_name", localmachine);
}
/* now parsing options with getopt */
while ((c = getopt(argc, argv, options)) != EOF) {
switch (c) {
case 'v':
case '@':
printf("NFS-Ganesha Release = V%s\n", GANESHA_VERSION);
#if !GANESHA_BUILD_RELEASE
/* A little backdoor to keep track of binary versions */
printf("%s compiled on %s at %s\n", exec_name, __DATE__,
__TIME__);
printf("Release comment = %s\n", VERSION_COMMENT);
printf("Git HEAD = %s\n", _GIT_HEAD_COMMIT);
printf("Git Describe = %s\n", _GIT_DESCRIBE);
#endif
exit(0);
break;
case 'L':
/* Default Log */
log_path = main_strdup("log_path", optarg);
break;
case 'N':
/* debug level */
debug_level = ReturnLevelAscii(optarg);
if (debug_level == -1) {
fprintf(stderr,
"Invalid value for option 'N': NIV_NULL, NIV_MAJ, NIV_CRIT, NIV_EVENT, NIV_DEBUG, NIV_MID_DEBUG or NIV_FULL_DEBUG expected.\n");
exit(1);
}
break;
case 'f':
/* config file */
nfs_config_path = main_strdup("config_path", optarg);
break;
case 'p':
/* PID file */
nfs_pidfile_path = main_strdup("pidfile_path", optarg);
break;
case 'F':
/* Don't detach, foreground mode */
detach_flag = false;
break;
case 'R':
/* Shall we manage RPCSEC_GSS ? */
fprintf(stderr,
"\n\nThe -R flag is deprecated, use this syntax in the configuration file instead:\n\n");
fprintf(stderr, "NFS_KRB5\n");
fprintf(stderr, "{\n");
fprintf(stderr,
"\tPrincipalName = nfs@<your_host> ;\n");
fprintf(stderr, "\tKeytabPath = /etc/krb5.keytab ;\n");
fprintf(stderr, "\tActive_krb5 = true ;\n");
fprintf(stderr, "}\n\n\n");
exit(1);
break;
case 'T':
/* Dump the default configuration on stdout */
my_nfs_start_info.dump_default_config = true;
break;
case 'C':
dump_trace = true;
break;
case 'E':
nfs_ServerEpoch = (time_t) atoll(optarg);
break;
case 'h':
fprintf(stderr, usage, exec_name);
exit(0);
default: /* '?' */
fprintf(stderr, "Try '%s -h' for usage\n", exec_name);
exit(1);
}
}
/* initialize memory and logging */
nfs_prereq_init(exec_name, nfs_host_name, debug_level, log_path,
dump_trace);
#if GANESHA_BUILD_RELEASE
LogEvent(COMPONENT_MAIN, "%s Starting: Ganesha Version %s",
exec_name, GANESHA_VERSION);
#else
LogEvent(COMPONENT_MAIN, "%s Starting: %s",
exec_name,
"Ganesha Version " _GIT_DESCRIBE ", built at "
__DATE__ " " __TIME__ " on " BUILD_HOST);
#endif
/* initialize nfs_init */
nfs_init_init();
nfs_check_malloc();
/* Start in background, if wanted */
if (detach_flag) {
#ifdef HAVE_DAEMON
/* daemonize the process (fork, close xterm fds,
* detach from parent process) */
if (daemon(0, 0))
LogFatal(COMPONENT_MAIN,
"Error detaching process from parent: %s",
strerror(errno));
/* In the child process, change the log header
* if not, the header will contain the parent's pid */
set_const_log_str();
#else
/* Step 1: forking a service process */
switch (son_pid = fork()) {
case -1:
/* Fork failed */
LogFatal(COMPONENT_MAIN,
"Could not start nfs daemon (fork error %d (%s)",
errno, strerror(errno));
break;
case 0:
/* This code is within the son (that will actually work)
* Let's make it the leader of its group of process */
if (setsid() == -1) {
LogFatal(COMPONENT_MAIN,
"Could not start nfs daemon (setsid error %d (%s)",
errno, strerror(errno));
}
/* stdin, stdout and stderr should not refer to a tty
* I close 0, 1 & 2 and redirect them to /dev/null */
dev_null_fd = open("/dev/null", O_RDWR);
if (dev_null_fd < 0)
LogFatal(COMPONENT_MAIN,
"Could not open /dev/null: %d (%s)",
errno, strerror(errno));
if (close(STDIN_FILENO) == -1)
LogEvent(COMPONENT_MAIN,
"Error while closing stdin: %d (%s)",
errno, strerror(errno));
else {
LogEvent(COMPONENT_MAIN, "stdin closed");
dup(dev_null_fd);
}
if (close(STDOUT_FILENO) == -1)
LogEvent(COMPONENT_MAIN,
"Error while closing stdout: %d (%s)",
errno, strerror(errno));
else {
LogEvent(COMPONENT_MAIN, "stdout closed");
dup(dev_null_fd);
}
if (close(STDERR_FILENO) == -1)
LogEvent(COMPONENT_MAIN,
"Error while closing stderr: %d (%s)",
errno, strerror(errno));
else {
LogEvent(COMPONENT_MAIN, "stderr closed");
dup(dev_null_fd);
}
if (close(dev_null_fd) == -1)
LogFatal(COMPONENT_MAIN,
"Could not close tmp fd to /dev/null: %d (%s)",
errno, strerror(errno));
/* In the child process, change the log header
* if not, the header will contain the parent's pid */
set_const_log_str();
break;
default:
/* This code is within the parent process,
* it is useless, it must die */
LogFullDebug(COMPONENT_MAIN,
"Starting a child of pid %d",
son_pid);
exit(0);
break;
}
#endif
}
/* Make sure Linux file i/o will return with error
* if file size is exceeded. */
#ifdef _LINUX
signal(SIGXFSZ, SIG_IGN);
#endif
/* Echo PID into pidfile */
pidfile = open(nfs_pidfile_path, O_CREAT | O_RDWR, 0644);
if (pidfile == -1) {
LogFatal(COMPONENT_MAIN, "Can't open pid file %s for writing",
nfs_pidfile_path);
} else {
char linebuf[1024];
struct flock lk;
/* Try to obtain a lock on the file */
lk.l_type = F_WRLCK;
lk.l_whence = SEEK_SET;
lk.l_start = (off_t) 0;
lk.l_len = (off_t) 0;
if (fcntl(pidfile, F_SETLK, &lk) == -1)
LogFatal(COMPONENT_MAIN, "Ganesha already started");
/* Put pid into file, then close it */
(void)snprintf(linebuf, sizeof(linebuf), "%u\n", getpid());
if (write(pidfile, linebuf, strlen(linebuf)) == -1)
LogCrit(COMPONENT_MAIN, "Couldn't write pid to file %s",
nfs_pidfile_path);
}
/* Set up for the signal handler.
* Blocks the signals the signal handler will handle.
*/
sigemptyset(&signals_to_block);
sigaddset(&signals_to_block, SIGTERM);
sigaddset(&signals_to_block, SIGHUP);
sigaddset(&signals_to_block, SIGPIPE);
if (pthread_sigmask(SIG_BLOCK, &signals_to_block, NULL) != 0)
LogFatal(COMPONENT_MAIN,
"Could not start nfs daemon, pthread_sigmask failed");
/* init URL package */
config_url_init();
/* Create a memstream for parser+processing error messages */
if (!init_error_type(&err_type))
goto fatal_die;
/* Parse the configuration file so we all know what is going on. */
if (nfs_config_path == NULL || nfs_config_path[0] == '\0') {
LogWarn(COMPONENT_INIT,
"No configuration file named.");
nfs_config_struct = NULL;
} else
nfs_config_struct =
config_ParseFile(nfs_config_path, &err_type);
if (!config_error_no_error(&err_type)) {
char *errstr = err_type_str(&err_type);
if (!config_error_is_harmless(&err_type)) {
LogCrit(COMPONENT_INIT,
"Error %s while parsing (%s)",
errstr != NULL ? errstr : "unknown",
nfs_config_path);
if (errstr != NULL)
gsh_free(errstr);
goto fatal_die;
} else
LogWarn(COMPONENT_INIT,
"Error %s while parsing (%s)",
errstr != NULL ? errstr : "unknown",
nfs_config_path);
if (errstr != NULL)
gsh_free(errstr);
}
if (read_log_config(nfs_config_struct, &err_type) < 0) {
LogCrit(COMPONENT_INIT,
"Error while parsing log configuration");
goto fatal_die;
}
/* We need all the fsal modules loaded so we can have
* the list available at exports parsing time.
*/
start_fsals();
/* parse configuration file */
if (nfs_set_param_from_conf(nfs_config_struct,
&my_nfs_start_info,
&err_type)) {
LogCrit(COMPONENT_INIT,
"Error setting parameters from configuration file.");
goto fatal_die;
}
/* initialize core subsystems and data structures */
if (init_server_pkgs() != 0) {
LogCrit(COMPONENT_INIT,
"Failed to initialize server packages");
goto fatal_die;
}
/* Load Data Server entries from parsed file
* returns the number of DS entries.
*/
dsc = ReadDataServers(nfs_config_struct, &err_type);
if (dsc < 0) {
LogCrit(COMPONENT_INIT,
"Error while parsing DS entries");
goto fatal_die;
}
/* Create stable storage directory, this needs to be done before
* starting the recovery thread.
*/
rc = nfs4_recovery_init();
if (rc) {
LogCrit(COMPONENT_INIT,
"Recovery backend initialization failed!");
goto fatal_die;
}
/* Start grace period */
nfs_start_grace(NULL);
/* Wait for enforcement to begin */
nfs_wait_for_grace_enforcement();
/* Load export entries from parsed file
* returns the number of export entries.
*/
rc = ReadExports(nfs_config_struct, &err_type);
if (rc < 0) {
LogCrit(COMPONENT_INIT,
"Error while parsing export entries");
goto fatal_die;
}
if (rc == 0 && dsc == 0)
LogWarn(COMPONENT_INIT,
"No export entries found in configuration file !!!");
report_config_errors(&err_type, NULL, config_errs_to_log);
/* freeing syntax tree : */
config_Free(nfs_config_struct);
/* Everything seems to be OK! We can now start service threads */
nfs_start(&my_nfs_start_info);
return 0;
fatal_die:
report_config_errors(&err_type, NULL, config_errs_to_log);
LogFatal(COMPONENT_INIT,
"Fatal errors. Server exiting...");
/* NOT REACHED */
return 2;
}
int nfs_ip_name_populate(char *path)
{
config_file_t config_file;
config_item_t block;
int var_max;
int var_index;
int err;
char *key_name;
char *key_value;
char label[MAXNAMLEN];
sockaddr_t ipaddr;
nfs_ip_name_t *nfs_ip_name;
sockaddr_t *pipaddr;
hash_buffer_t buffkey;
hash_buffer_t buffdata;
config_file = config_ParseFile(path);
if(!config_file)
{
LogCrit(COMPONENT_CONFIG, "Can't open file %s", path);
return IP_NAME_NOT_FOUND;
}
/* Get the config BLOCK */
if((block = config_FindItemByName(config_file, CONF_LABEL_IP_NAME_HOSTS)) == NULL)
{
LogCrit(COMPONENT_CONFIG,
"Can't get label %s in file %s",
CONF_LABEL_IP_NAME_HOSTS, path);
return IP_NAME_NOT_FOUND;
}
else if(config_ItemType(block) != CONFIG_ITEM_BLOCK)
{
/* Expected to be a block */
return IP_NAME_NOT_FOUND;
}
var_max = config_GetNbItems(block);
for(var_index = 0; var_index < var_max; var_index++)
{
config_item_t item;
item = config_GetItemByIndex(block, var_index);
/* Get key's name */
if((err = config_GetKeyValue(item, &key_name, &key_value)) != 0)
{
LogCrit(COMPONENT_CONFIG,
"Error reading key[%d] from section \"%s\" of configuration file.",
var_index, label);
return IP_NAME_NOT_FOUND;
}
err = ipstring_to_sockaddr(key_value, &ipaddr);
if(err != 0)
{
LogCrit(COMPONENT_CONFIG,
"Error converting %s to an ipaddress %s",
key_value, gai_strerror(err));
return IP_NAME_NOT_FOUND;
}
/* Entry to be cached */
nfs_ip_name = gsh_malloc(sizeof(nfs_ip_name_t));
if(nfs_ip_name == NULL)
return IP_NAME_INSERT_MALLOC_ERROR;
pipaddr = gsh_malloc(sizeof(sockaddr_t));
if(pipaddr == NULL)
{
gsh_free(nfs_ip_name);
return IP_NAME_INSERT_MALLOC_ERROR;
}
strncpy(nfs_ip_name->hostname, key_name, MAXHOSTNAMELEN);
nfs_ip_name->timestamp = time(NULL);
memcpy(pipaddr, &ipaddr, sizeof(sockaddr_t));
buffdata.pdata = (caddr_t) nfs_ip_name;
buffdata.len = sizeof(nfs_ip_name_t);
buffkey.pdata = (caddr_t) pipaddr;
buffkey.len = sizeof(sockaddr_t);
if(HashTable_Set(ht_ip_name, &buffkey, &buffdata) != HASHTABLE_SUCCESS)
{
gsh_free(nfs_ip_name);
gsh_free(pipaddr);
return IP_NAME_INSERT_MALLOC_ERROR;
}
}
if(isFullDebug(COMPONENT_CONFIG))
HashTable_Log(COMPONENT_CONFIG, ht_ip_name);
return IP_NAME_SUCCESS;
} /* nfs_ip_name_populate */
