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author | Pavel Reichl <preichl@redhat.com> | 2015-01-20 16:27:41 -0500 |
---|---|---|
committer | Jakub Hrozek <jhrozek@redhat.com> | 2015-03-06 13:48:44 +0100 |
commit | 8f9459bd92ab2b8878f3ca5d2bc5b6c57e808d76 (patch) | |
tree | 28bcafb7213a8ce83dc54a0495c43a235b5878b0 /src/util | |
parent | e1e3d6b888dd99a71f773fbcd76c6cf59ae998cd (diff) | |
download | sssd-8f9459bd92ab2b8878f3ca5d2bc5b6c57e808d76.tar.gz sssd-8f9459bd92ab2b8878f3ca5d2bc5b6c57e808d76.tar.xz sssd-8f9459bd92ab2b8878f3ca5d2bc5b6c57e808d76.zip |
UTIL: convert GeneralizedTime to unix time
New utility function *sss_utc_to_time_t* to convert GeneralizedTime to
unix time.
Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
Diffstat (limited to 'src/util')
-rw-r--r-- | src/util/util.c | 53 | ||||
-rw-r--r-- | src/util/util.h | 3 | ||||
-rw-r--r-- | src/util/util_errors.c | 1 | ||||
-rw-r--r-- | src/util/util_errors.h | 1 |
4 files changed, 58 insertions, 0 deletions
diff --git a/src/util/util.c b/src/util/util.c index 2acb8604a..c4d8bf91f 100644 --- a/src/util/util.c +++ b/src/util/util.c @@ -18,6 +18,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */ +#include "config.h" #include <ctype.h> #include <netdb.h> #include <poll.h> @@ -26,6 +27,7 @@ #include <arpa/inet.h> #include <talloc.h> #include <dhash.h> +#include <time.h> #include "util/util.h" #include "util/sss_utf8.h" @@ -880,3 +882,54 @@ done: return ret; } + +/* Convert GeneralizedTime (http://en.wikipedia.org/wiki/GeneralizedTime) + * to unix time (seconds since epoch). Use UTC time zone. + */ +errno_t sss_utc_to_time_t(const char *str, const char *format, time_t *_unix_time) +{ + char *end; + struct tm tm; + size_t len; + time_t ut; + + if (str == NULL) { + return EINVAL; + } + + len = strlen(str); + if (str[len-1] != 'Z') { + DEBUG(SSSDBG_TRACE_INTERNAL, + "%s does not seem to be in UTZ time zone.\n", str); + return ERR_TIMESPEC_NOT_SUPPORTED; + } + + memset(&tm, 0, sizeof(tm)); + + end = strptime(str, format, &tm); + /* not all characters from format were matched */ + if (end == NULL) { + DEBUG(SSSDBG_TRACE_INTERNAL, + "String [%s] failed to match format [%s].\n", str, format); + return EINVAL; + } + + /* str is 'longer' than format */ + if (*end != '\0') { + DEBUG(SSSDBG_TRACE_INTERNAL, + "String [%s] is longer than format [%s].\n", str, format); + return EINVAL; + } + + ut = mktime(&tm); + if (ut == -1) { + DEBUG(SSSDBG_TRACE_INTERNAL, + "mktime failed to convert [%s].\n", str); + return EINVAL; + } + + tzset(); + ut -= timezone; + *_unix_time = ut; + return EOK; +} diff --git a/src/util/util.h b/src/util/util.h index bf3a9a057..22a67a558 100644 --- a/src/util/util.h +++ b/src/util/util.h @@ -636,4 +636,7 @@ int set_seuser(const char *login_name, const char *seuser_name, const char *mlsrange); int del_seuser(const char *login_name); +/* convert time from generalized form to unix time */ +errno_t sss_utc_to_time_t(const char *str, const char *format, time_t *unix_time); + #endif /* __SSSD_UTIL_H__ */ diff --git a/src/util/util_errors.c b/src/util/util_errors.c index 16d16fc77..bfae5cd18 100644 --- a/src/util/util_errors.c +++ b/src/util/util_errors.c @@ -65,6 +65,7 @@ struct err_string error_to_str[] = { { "LDAP search returned a referral" }, /* ERR_REFERRAL */ { "Error setting SELinux user context" }, /* ERR_SELINUX_CONTEXT */ { "Username format not allowed by re_expression" }, /* ERR_REGEX_NOMATCH */ + { "Time specification not supported" }, /* ERR_TIMESPEC_NOT_SUPPORTED */ }; diff --git a/src/util/util_errors.h b/src/util/util_errors.h index 97e210e31..069d4b78a 100644 --- a/src/util/util_errors.h +++ b/src/util/util_errors.h @@ -90,6 +90,7 @@ enum sssd_errors { ERR_REFERRAL, ERR_SELINUX_CONTEXT, ERR_REGEX_NOMATCH, + ERR_TIMESPEC_NOT_SUPPORTED, ERR_LAST /* ALWAYS LAST */ }; |