1 files changed, 91 insertions, 0 deletions
diff --git a/common/certinfo.c b/common/certinfo.c
new file mode 100644
index 0000000..bb68a53
--- /dev/null
+++ b/common/certinfo.c
@@ -0,0 +1,91 @@
+/* certinfo.c  --  Functions to parse and process the X509 TLS id string
+ *
+ *  GPLv2 - Copyright (C) 2008  David Sommerseth <dazo@users.sourceforge.net>
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License
+ *  as published by the Free Software Foundation; version 2
+ *  of the License.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <eurephia_nullsafe.h>
+#include <certinfo.h>
+
+
+#define comp_attrib(s, v) ( (v == NULL || strlen_nullsafe(v) < 1) ? 0 : (strcmp(v, s) == 0) )
+
+certinfo *parse_tlsid(const char *input) {
+        char tmp[130], *mainp, *origptr, *sub, *tok, *tok2;
+        certinfo *ret = NULL;
+
+        if( (input == NULL) || strlen(input) < 5)
+                return NULL;
+
+        ret = (certinfo *) malloc(sizeof(certinfo)+2);
+        bzero(ret, sizeof(certinfo)+2);
+        bzero(&tmp, 130);
+
+        mainp = strdup(input);
+        origptr = mainp;
+        tok = strsep(&mainp, "/\0");
+        while( tok != NULL ) {
+                if( (tok != NULL) && (strlen(tok) > 0 ) ) {
+                        sub = strdup(tok);
+                        tok2 = strsep(&sub, "=\0");
+
+                        if( comp_attrib("O\0", tok2) ) {
+                                ret->org = strdup(strsep(&sub, "=\0"));
+                        } else if( comp_attrib("CN\0", tok2) ) {
+                                ret->common_name = strdup(strsep(&sub, "=\0"));
+                        } else if( comp_attrib("emailAddress\0", tok2) ) {
+                                ret->email = strdup(strsep(&sub, "=\0"));
+                        }
+                        if( tok2 != NULL ) {
+                                free(tok2); tok2 = NULL;
+                        }
+                }
+                tok = strsep(&mainp, "/\0");
+        }
+        free(origptr); mainp = NULL; origptr = NULL;
+
+        /* Make sure we at least have empty NULL terminated strings */
+        if( ret->org == NULL ) {
+                ret->org = strdup("\0");
+        }
+        if( ret->common_name == NULL ) {
+                ret->common_name = strdup("\0");
+        }
+        if( ret->email == NULL ) {
+                ret->email = strdup("\0");
+        }
+
+        return ret;
+}
+
+void free_certinfo(certinfo *p) {
+        if( p == NULL )
+                return;
+
+        if( p->org != NULL )
+                free(p->org);
+        if( p->common_name != NULL )
+                free(p->common_name);
+        if( p->email != NULL )
+                free(p->email);
+
+        free(p);
+}