Core XML: in xml/tools.c, add conversion method from iso8601 to time_t

 * lasso/xml/tools.c:
   add function lasso_iso_8601_gmt_to_time_t
 * lasso/xml/private.h:
   declare new function.

2 files changed, 25 insertions, 0 deletions

diff --git a/lasso/xml/private.h b/lasso/xml/private.h
index 82c056d3..38ab9886 100644
--- a/lasso/xml/private.h
+++ b/lasso/xml/private.h
@@ -114,6 +114,7 @@ void  lasso_build_random_sequence(char *buffer, unsigned int size);
 char* lasso_build_unique_id(unsigned int size);
 char* lasso_get_current_time(void);
 char* lasso_time_to_iso_8601_gmt(time_t now);
+time_t lasso_iso_8601_gmt_to_time_t(char *xsdtime);
 LassoPemFileType lasso_get_pem_file_type(const char *file);
 
 xmlSecKeyPtr lasso_get_public_key_from_pem_file(const char *file);
diff --git a/lasso/xml/tools.c b/lasso/xml/tools.c
index f01a4c77..1c18c751 100644
--- a/lasso/xml/tools.c
+++ b/lasso/xml/tools.c
@@ -22,6 +22,8 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
+/* permit importation of strptime for glibc2 */
+#define _XOPEN_SOURCE
 #include "private.h"
 #include <string.h>
 #include <time.h>
@@ -162,6 +164,28 @@ lasso_get_current_time()
 }
 
 /**
+ * lasso_iso_8601_gmt_to_time_t:
+ * @xsdtime: an xsd time value
+ *
+ * Return value: a corresponding time_t value if possible.
+ */
+time_t
+lasso_iso_8601_gmt_to_time_t(char *xsdtime)
+{
+	struct tm tm;
+	char *strptime_ret;
+
+	if (xsdtime == NULL) {
+		return -1;
+	}
+	strptime_ret = strptime (xsdtime, "%Y-%m-%dT%H:%M:%SZ", &tm);
+	if (strptime_ret == NULL) {
+		return -1;
+	}
+	return mktime(&tm);
+}
+
+/**
  * lasso_get_pem_file_type:
  * @pem_file: a pem file
  *