sss_seed.c revision 8e44ddfccebe61728d8a2c1dafce36dfa944bc90
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <talloc.h>
#include <popt.h>
#include <errno.h>
#include <unistd.h>
#include <limits.h>
#include <grp.h>
#include <pwd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <ctype.h>
#include "util/util.h"
#include "db/sysdb.h"
#include "tools/tools_util.h"
#include "tools/sss_sync_ops.h"
#include "confdb/confdb.h"
#ifndef BUFSIZE
#define BUFSIZE 1024
#endif
#ifndef PASS_MAX
#define PASS_MAX 64
#endif
enum seed_pass_method {
PASS_PROMPT,
PASS_FILE
};
struct user_ctx {
char *domain_name;
char *name;
uid_t uid;
gid_t gid;
char *gecos;
char *home;
char *shell;
char *password;
};
struct seed_ctx {
struct confdb_ctx *confdb;
struct sss_domain_info *domain;
struct sysdb_ctx *sysdb;
struct user_ctx *uctx;
char *password_file;
enum seed_pass_method password_method;
bool interact;
bool user_cached;
};
static int seed_prompt(const char *req)
{
ssize_t len = 0;
size_t i = 0;
char *prompt = NULL;
int ret = EOK;
prompt = talloc_asprintf(NULL, _("Enter %s:"), req);
if (prompt == NULL) {
ret = ENOMEM;
goto done;
}
while (prompt[i] != '\0') {
errno = 0;
len = sss_atomic_write_s(STDOUT_FILENO, &prompt[i++], 1);
if (len == -1) {
ret = errno;
DEBUG(SSSDBG_CRIT_FAILURE, "write failed [%d][%s].\n",
ret, strerror(ret));
goto done;
}
}
done:
talloc_free(prompt);
return ret;
}
static int seed_str_input(TALLOC_CTX *mem_ctx,
const char *req,
char **_input)
{
char buf[BUFSIZE+1];
size_t len = 0;
size_t bytes_read = 0;
int ret = EOK;
ret = seed_prompt(req);
if (ret != EOK) {
return ret;
}
errno = 0;
while ((bytes_read = sss_atomic_read_s(STDIN_FILENO, buf+len, 1)) != 0) {
if (bytes_read == -1) {
ret = errno;
DEBUG(SSSDBG_CRIT_FAILURE, "read failed [%d][%s].\n",
ret, strerror(ret));
return ret;
}
if (buf[len] == '\n' || len == BUFSIZE) {
buf[len] = '\0';
break;
}
len += bytes_read;
}
*_input = talloc_strdup(mem_ctx, buf);
if (*_input == NULL) {
ret = ENOMEM;
DEBUG(SSSDBG_CRIT_FAILURE, "Failed to allocate input\n");
}
return ret;
}
static int seed_id_input(const char *req,
uid_t *_id_input)
{
char buf[BUFSIZE+1];
size_t len = 0;
size_t bytes_read = 0;
char *endptr = NULL;
int ret = EOK;
ret = seed_prompt(req);
if (ret != EOK) {
return ret;
}
errno = 0;
while ((bytes_read = sss_atomic_read_s(STDIN_FILENO, buf+len, 1)) != 0) {
if (bytes_read == -1) {
ret = errno;
DEBUG(SSSDBG_CRIT_FAILURE, "read failed [%d][%s].\n",
ret, strerror(ret));
return ret;
}
if (buf[len] == '\n' || len == BUFSIZE) {
buf[len] = '\0';
break;
}
len += bytes_read;
}
if (isdigit(*buf)) {
errno = 0;
*_id_input = (uid_t)strtoll(buf, &endptr, 10);
if (errno != 0) {
ret = errno;
DEBUG(SSSDBG_OP_FAILURE, "strtoll failed on [%s]: [%d][%s].\n",
(char *)buf, ret, strerror(ret));
return ret;
}
if (*endptr != '\0') {
DEBUG(SSSDBG_MINOR_FAILURE,
"extra characters [%s] after ID [%"SPRIuid"]\n",
endptr, *_id_input);
}
} else {
ret = EINVAL;
DEBUG(SSSDBG_OP_FAILURE, "Failed to get %s input.\n", req);
}
return ret;
}
static int seed_password_input_prompt(TALLOC_CTX *mem_ctx, char **_password)
{
TALLOC_CTX *tmp_ctx = NULL;
char *password = NULL;
char *temp = NULL;
int ret = EOK;
tmp_ctx = talloc_new(NULL);
if (tmp_ctx == NULL) {
DEBUG(SSSDBG_CRIT_FAILURE, "Could not allocate temp context\n");
ret = ENOMEM;
goto done;
}
temp = getpass("Enter temporary password:");
if (temp == NULL) {
DEBUG(SSSDBG_OP_FAILURE, "Failed to get prompted password\n");
ret = EINVAL;
goto done;
}
/* Do not allow empty passwords */
if (strlen(temp) == 0) {
ERROR("Empty passwords are not allowed.\n");
ret = EINVAL;
goto done;
}
password = talloc_strdup(tmp_ctx, temp);
if (password == NULL) {
ret = ENOMEM;
goto done;
}
talloc_set_destructor((TALLOC_CTX *)password, password_destructor);
temp = getpass("Enter temporary password again:");
if (temp == NULL) {
DEBUG(SSSDBG_OP_FAILURE, "Failed to get prompted password\n");
ret = EINVAL;
goto done;
}
if (strncmp(temp,password,strlen(password)) != 0) {
ERROR("Passwords do not match\n");
DEBUG(SSSDBG_MINOR_FAILURE, "Provided passwords do not match\n");
ret = EINVAL;
goto done;
}
*_password = talloc_steal(mem_ctx, password);
done:
talloc_free(tmp_ctx);
return ret;
}
static int seed_password_input_file(TALLOC_CTX *mem_ctx,
char *filename,
char **_password)
{
TALLOC_CTX *tmp_ctx = NULL;
char *password = NULL;
int len = 0;
uint8_t buf[PASS_MAX+1];
int fd = -1;
int ret = EOK;
int valid_i;
int i;
tmp_ctx = talloc_new(NULL);
if (tmp_ctx == NULL) {
DEBUG(SSSDBG_CRIT_FAILURE, "Could not allocate temp context\n");
ret = ENOMEM;
goto done;
}
fd = open(filename, O_RDONLY);
if (fd == -1) {
DEBUG(SSSDBG_CRIT_FAILURE, "Failed to open password file "
"[%s] [%d][%s]\n",
filename, errno, strerror(errno));
ret = EINVAL;
goto done;
}
errno = 0;
len = sss_atomic_read_s(fd, buf, PASS_MAX + 1);
if (len == -1) {
ret = errno;
DEBUG(SSSDBG_MINOR_FAILURE, "Failed to read password from file "
"[%s] [%d][%s]\n",
filename, ret, strerror(ret));
close(fd);
goto done;
}
close(fd);
if (len > PASS_MAX) {
ERROR("Password file too big.\n");
ret = EINVAL;
goto done;
}
buf[len] = '\0';
/* Only the first line is valid (without '\n'). */
for (valid_i = -1; valid_i + 1 < len; valid_i++) {
if (buf[valid_i + 1] == '\n') {
buf[valid_i + 1] = '\0';
break;
}
}
/* Do not allow empty passwords. */
if (valid_i < 0) {
ERROR("Empty passwords are not allowed.\n");
ret = EINVAL;
goto done;
}
/* valid_i is the last valid index of the password followed by \0.
* If characters other than \n occur int the rest of the file, it
* is an error. */
for (i = valid_i + 2; i < len; i++) {
if (buf[i] != '\n') {
ERROR("Multi-line passwords are not allowed.\n");
ret = EINVAL;
goto done;
}
}
password = talloc_strdup(tmp_ctx, (char *)buf);
if (password == NULL) {
ret = ENOMEM;
goto done;
}
*_password = talloc_steal(mem_ctx, password);
done:
talloc_free(tmp_ctx);
return ret;
}
static int seed_interactive_input(TALLOC_CTX *mem_ctx,
struct user_ctx *uctx,
struct user_ctx **_uctx)
{
struct user_ctx *input_uctx = NULL;
int ret = EOK;
input_uctx = talloc_zero(NULL, struct user_ctx);
if (input_uctx == NULL) {
ret = ENOMEM;
goto done;
}
if (uctx->name == NULL) {
ret = seed_str_input(input_uctx, _("username"), &input_uctx->name);
if (ret != EOK) {
DEBUG(SSSDBG_MINOR_FAILURE,
"Username interactive input failed.\n");
goto done;
}
} else {
input_uctx->name = talloc_strdup(input_uctx, uctx->name);
if (input_uctx->name == NULL) {
ret = ENOMEM;
goto done;
}
}
if (uctx->uid == 0) {
ret = seed_id_input(_("UID"), &input_uctx->uid);
if (ret != EOK) {
DEBUG(SSSDBG_MINOR_FAILURE, "UID interactive input failed.\n");
goto done;
}
} else {
input_uctx->uid = uctx->uid;
}
if (uctx->gid == 0) {
ret = seed_id_input(_("GID"), &input_uctx->gid);
if (ret != EOK) {
DEBUG(SSSDBG_MINOR_FAILURE, "GID interactive input failed.\n");
goto done;
}
} else {
input_uctx->gid = uctx->gid;
}
if (uctx->gecos == NULL) {
ret = seed_str_input(input_uctx, _("user comment (gecos)"),
&input_uctx->gecos);
if (ret != EOK) {
DEBUG(SSSDBG_MINOR_FAILURE, "Gecos interactive input failed.\n");
goto done;
}
} else {
input_uctx->gecos = talloc_strdup(input_uctx, uctx->gecos);
if (input_uctx->gecos == NULL) {
ret = ENOMEM;
goto done;
}
}
if (uctx->home == NULL) {
ret = seed_str_input(input_uctx, _("home directory"),
&input_uctx->home);
if (ret != EOK) {
DEBUG(SSSDBG_MINOR_FAILURE,
"Home directory interactive input fialed.\n");
goto done;
}
} else {
input_uctx->home = talloc_strdup(input_uctx, uctx->home);
if (input_uctx->home == NULL) {
ret = ENOMEM;
goto done;
}
}
if (uctx->shell == NULL) {
ret = seed_str_input(input_uctx, _("user login shell"),
&input_uctx->shell);
if (ret != EOK) {
DEBUG(SSSDBG_MINOR_FAILURE, "Shell interactive input failed\n");
goto done;
}
} else {
input_uctx->shell = talloc_strdup(input_uctx, uctx->shell);
if (input_uctx->shell == NULL) {
ret = ENOMEM;
goto done;
}
}
done:
if (ret == EOK) {
*_uctx = talloc_steal(mem_ctx, input_uctx);
} else {
ERROR("Interactive input failed.\n");
talloc_zfree(input_uctx);
}
return ret;
}
static int seed_init(TALLOC_CTX *mem_ctx,
const int argc,
const char **argv,
struct seed_ctx **_sctx)
{
TALLOC_CTX *tmp_ctx = NULL;
int pc_debug = SSSDBG_DEFAULT;
const char *pc_domain = NULL;
const char *pc_name = NULL;
uid_t pc_uid = 0;
gid_t pc_gid = 0;
const char *pc_gecos = NULL;
const char *pc_home = NULL;
const char *pc_shell = NULL;
const char *pc_password_file = NULL;
struct seed_ctx *sctx = NULL;
int ret = EOK;
poptContext pc = NULL;
struct poptOption options[] = {
POPT_AUTOHELP
{ "debug", '\0', POPT_ARG_INT | POPT_ARGFLAG_DOC_HIDDEN, &pc_debug, 0,
_("The debug level to run with"), NULL },
{ "domain", 'D', POPT_ARG_STRING, &pc_domain, 0, _("Domain"), NULL },
{ "username", 'n', POPT_ARG_STRING, &pc_name, 0, _("Username"), NULL},
{ "uid", 'u', POPT_ARG_INT, &pc_uid, 0, _("User UID"), NULL },
{ "gid", 'g', POPT_ARG_INT, &pc_gid, 0, _("User GID"), NULL },
{ "gecos", 'c', POPT_ARG_STRING, &pc_gecos, 0,
_("Comment string"), NULL},
{ "home", 'h', POPT_ARG_STRING, &pc_home, 0,
_("Home directory"), NULL },
{ "shell", 's', POPT_ARG_STRING, &pc_shell, 0, _("Login Shell"), NULL },
{ "interactive", 'i', POPT_ARG_NONE, NULL, 'i',
_("Use interactive mode to enter user data"), NULL },
{ "password-file", 'p', POPT_ARG_STRING, &pc_password_file, 0,
_("File from which user's password is read "
"(default is to prompt for password)"),NULL },
POPT_TABLEEND
};
/* init contexts */
tmp_ctx = talloc_new(NULL);
if (tmp_ctx == NULL) {
ret = ENOMEM;
goto fini;
}
sctx = talloc_zero(tmp_ctx, struct seed_ctx);
if (sctx == NULL) {
DEBUG(SSSDBG_CRIT_FAILURE, "Could not allocate tools context\n");
ret = ENOMEM;
goto fini;
}
sctx->uctx = talloc_zero(sctx, struct user_ctx);
if (sctx->uctx == NULL) {
DEBUG(SSSDBG_CRIT_FAILURE, "Could not allocate user data context\n");
ret = ENOMEM;
goto fini;
}
debug_prg_name = argv[0];
ret = set_locale();
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, "set_locale failed (%d): %s\n",
ret, strerror(ret));
ERROR("Error setting the locale\n");
ret = EINVAL;
goto fini;
}
/* parse arguments */
pc = poptGetContext(NULL, argc, argv, options, 0);
if (argc < 2) {
poptPrintUsage(pc,stderr,0);
ret = EINVAL;
goto fini;
}
poptSetOtherOptionHelp(pc, "[OPTIONS] -D <domain> -n <username>");
while ((ret = poptGetNextOpt(pc)) > 0) {
switch (ret) {
case 'i':
DEBUG(SSSDBG_TRACE_INTERNAL, "Interactive mode selected\n");
sctx->interact = true;
break;
}
}
if (ret != -1) {
BAD_POPT_PARAMS(pc, poptStrerror(ret), ret, fini);
}
DEBUG_CLI_INIT(pc_debug);
CHECK_ROOT(ret, argv[0]);
/* check username provided */
if (pc_name == NULL) {
BAD_POPT_PARAMS(pc, _("Username must be specified\n"), ret, fini);
}
sctx->uctx->name = talloc_strdup(sctx->uctx, pc_name);
if (sctx->uctx->name == NULL) {
ret = ENOMEM;
goto fini;
}
/* check domain is provided */
if (pc_domain == NULL) {
BAD_POPT_PARAMS(pc, _("Domain must be specified.\n"), ret, fini);
}
sctx->uctx->domain_name = talloc_strdup(sctx->uctx, pc_domain);
if (sctx->uctx->domain_name == NULL) {
ret = ENOMEM;
goto fini;
}
poptFreeContext(pc);
ret = EOK;
/* copy all information provided from popt */
sctx->uctx->uid = pc_uid;
sctx->uctx->gid = pc_gid;
if (pc_gecos != NULL) {
sctx->uctx->gecos = talloc_strdup(sctx->uctx, pc_gecos);
if (sctx->uctx->gecos == NULL) {
ret = ENOMEM;
goto fini;
}
}
if (pc_home != NULL) {
sctx->uctx->home = talloc_strdup(sctx->uctx, pc_home);
if (sctx->uctx->home == NULL) {
ret = ENOMEM;
goto fini;
}
}
if (pc_shell != NULL) {
sctx->uctx->shell = talloc_strdup(sctx->uctx, pc_shell);
if (sctx->uctx->shell == NULL) {
ret = ENOMEM;
goto fini;
}
}
/* check if password file provided */
if (pc_password_file != NULL) {
sctx->password_file = talloc_strdup(sctx, pc_password_file);
if (sctx->password_file == NULL) {
ret = ENOMEM;
goto fini;
}
sctx->password_method = PASS_FILE;
} else {
sctx->password_method = PASS_PROMPT;
}
*_sctx = talloc_steal(mem_ctx, sctx);
fini:
talloc_free(tmp_ctx);
return ret;
}
static int seed_init_db(TALLOC_CTX *mem_ctx,
const char *domain_name,
struct confdb_ctx **_confdb,
struct sss_domain_info **_domain,
struct sysdb_ctx **_sysdb)
{
TALLOC_CTX *tmp_ctx = NULL;
char *confdb_path = NULL;
struct confdb_ctx *confdb = NULL;
struct sss_domain_info *domain = NULL;
int ret = EOK;
tmp_ctx = talloc_new(NULL);
if (tmp_ctx == NULL) {
ret = ENOMEM;
goto done;
}
/* setup confdb */
confdb_path = talloc_asprintf(tmp_ctx, "%s/%s", DB_PATH, CONFDB_FILE);
if (confdb_path == NULL) {
ret = ENOMEM;
goto done;
}
ret = confdb_init(tmp_ctx, &confdb, confdb_path);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE,
"Could not initialize connection to the confdb\n");
ERROR("Could not initialize connection to the confdb\n");
goto done;
}
ret = sssd_domain_init(tmp_ctx, confdb, domain_name, DB_PATH, &domain);
if (ret != EOK) {
SYSDB_VERSION_ERROR(ret);
DEBUG(SSSDBG_CRIT_FAILURE,
"Could not initialize connection to domain '%s' in sysdb.%s\n",
domain_name, ret == ENOENT ? " Domain not found." : "");
ERROR("Could not initialize connection to domain '%1$s' in sysdb.%2$s\n",
domain_name, ret == ENOENT ? " Domain not found." : "");
goto done;
}
*_confdb = talloc_steal(mem_ctx, confdb);
*_domain = domain;
*_sysdb = domain->sysdb;
done:
talloc_free(tmp_ctx);
return ret;
}
static int seed_domain_user_info(const char *name,
const char *domain_name,
struct sss_domain_info *domain,
bool *is_cached)
{
TALLOC_CTX *tmp_ctx = NULL;
char *fq_name = NULL;
struct passwd *passwd = NULL;
struct ldb_result *res = NULL;
int ret = EOK;
tmp_ctx = talloc_new(NULL);
if (tmp_ctx == NULL) {
ret = ENOMEM;
goto done;
}
fq_name = talloc_asprintf(tmp_ctx, "%s@%s", name, domain_name);
if (fq_name == NULL) {
ret = ENOMEM;
goto done;
}
errno = 0;
passwd = getpwnam(fq_name);
if (passwd == NULL) {
ret = errno;
DEBUG(SSSDBG_MINOR_FAILURE, "getpwnam failed [%d] [%s]\n",
ret, strerror(ret));
goto done;
}
/* look for user in cache */
ret = sysdb_getpwnam(tmp_ctx, domain, name, &res);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE,
"Couldn't lookup user (%s) in the cache\n", name);
goto done;
}
if (res->count == 0) {
DEBUG(SSSDBG_TRACE_INTERNAL,
"User (%s) wasn't found in the cache\n", name);
*is_cached = false;
ret = ENOENT;
goto done;
} else if (res->count > 1) {
DEBUG(SSSDBG_CRIT_FAILURE,
"Multiple user (%s) entries were found in the cache\n", name);
ret = EINVAL;
goto done;
} else {
DEBUG(SSSDBG_TRACE_INTERNAL, "User found in cache\n");
*is_cached = true;
errno = 0;
ret = initgroups(fq_name, passwd->pw_gid);
if (ret != EOK) {
ret = errno;
DEBUG(SSSDBG_MINOR_FAILURE, "initgroups failed [%d] [%s]\n",
ret, strerror(ret));
goto done;
}
}
done:
if (ret == ENOMEM) {
DEBUG(SSSDBG_CRIT_FAILURE, "Failed to allocate user information\n");
}
talloc_zfree(tmp_ctx);
return ret;
}
static int seed_cache_user(struct seed_ctx *sctx)
{
bool in_transaction = false;
int ret = EOK;
errno_t sret;
ret = sysdb_transaction_start(sctx->sysdb);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, "sysdb transaction start failure\n");
goto done;
}
in_transaction = true;
if (sctx->user_cached == false) {
ret = sysdb_add_user(sctx->domain, sctx->uctx->name,
sctx->uctx->uid, sctx->uctx->gid,
sctx->uctx->gecos, sctx->uctx->home,
sctx->uctx->shell, NULL, NULL, 0, 0);
if (ret != EOK) {
DEBUG(SSSDBG_OP_FAILURE,
"Failed to add user to the cache. (%d)[%s]\n",
ret, strerror(ret));
ERROR("Failed to create user cache entry\n");
goto done;
}
}
ret = sysdb_cache_password(sctx->domain, sctx->uctx->name,
sctx->uctx->password);
if (ret != EOK) {
DEBUG(SSSDBG_OP_FAILURE, "Failed to cache password. (%d)[%s]\n",
ret, strerror(ret));
ERROR("Failed to cache password\n");
goto done;
}
ret = sysdb_transaction_commit(sctx->sysdb);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, "sysdb transaction commit failure\n");
goto done;
}
in_transaction = false;
done:
if (in_transaction == true) {
sret = sysdb_transaction_cancel(sctx->sysdb);
if (sret != EOK) {
DEBUG(SSSDBG_OP_FAILURE, "Failed to cancel transaction\n");
}
}
return ret;
}
int main(int argc, const char **argv)
{
struct seed_ctx *sctx = NULL;
struct user_ctx *input_uctx = NULL;
int ret = EOK;
/* initialize seed context and parse options */
ret = seed_init(sctx, argc, argv, &sctx);
if (ret != EOK) {
DEBUG(SSSDBG_OP_FAILURE,"Seed init failed [%d][%s]\n",
ret, strerror(ret));
goto done;
}
/* set up confdb,sysdb and domain */
ret = seed_init_db(sctx, sctx->uctx->domain_name, &sctx->confdb,
&sctx->domain, &sctx->sysdb);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, "Failed to initialize db and domain\n");
goto done;
}
/* get user info from domain */
ret = seed_domain_user_info(sctx->uctx->name, sctx->uctx->domain_name,
sctx->domain, &sctx->user_cached);
if (ret != EOK) {
DEBUG(SSSDBG_OP_FAILURE, "Failed lookup of user [%s] in domain [%s]\n",
sctx->uctx->name, sctx->uctx->domain_name);
}
/* interactive mode to fill in user information */
if (sctx->interact == true) {
if (sctx->user_cached == true) {
ERROR(_("User entry already exists in the cache.\n"));
ret = EEXIST;
goto done;
} else {
ret = seed_interactive_input(sctx, sctx->uctx, &input_uctx);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, "Failed to get seed input.\n");
ret = EINVAL;
goto done;
}
talloc_zfree(sctx->uctx);
sctx->uctx = input_uctx;
}
}
if (sctx->user_cached == false) {
if (sctx->uctx->uid == 0 || sctx->uctx->gid == 0) {
/* require username, UID, and GID to continue */
DEBUG(SSSDBG_MINOR_FAILURE, "Not enough information provided\n");
ERROR("UID and primary GID not provided.\n");
ret = EINVAL;
goto done;
}
}
/* password input */
if (sctx->password_method == PASS_FILE) {
ret = seed_password_input_file(sctx->uctx, sctx->password_file,
&sctx->uctx->password);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, "Password input failure\n");
goto done;
}
} else {
ret = seed_password_input_prompt(sctx->uctx, &sctx->uctx->password);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, "Password input failure\n");
goto done;
}
}
/* Add user info and password to sysdb cache */
ret = seed_cache_user(sctx);
if (ret != EOK) {
DEBUG(SSSDBG_MINOR_FAILURE, "Failed to modify cache.\n");
goto done;
} else {
if (sctx->user_cached == false) {
printf(_("User cache entry created for %1$s\n"), sctx->uctx->name);
}
printf(_("Temporary password added to cache entry for %1$s\n"),
sctx->uctx->name);
}
done:
talloc_zfree(sctx);
if (ret != EOK) {
DEBUG(SSSDBG_TRACE_INTERNAL, "Exit error: [%d] [%s]\n",
ret, strerror(ret));
ret = EXIT_FAILURE;
} else {
ret = EXIT_SUCCESS;
}
exit(ret);
}