From 5c3861dac3f16ff361b816a5a6b7b092a7b76ca5 Mon Sep 17 00:00:00 2001
From: piaip <piaip@63ad8ddf-47c3-0310-b6dd-a9e9d9715204>
Date: Wed, 4 Jun 2008 02:04:20 +0000
Subject: - prevent wrong email test on multiple '@'s.
git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@4336 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
---
mbbsd/user.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
(limited to 'mbbsd')
diff --git a/mbbsd/user.c b/mbbsd/user.c
index 10b9f6c8..fe8fede2 100644
--- a/mbbsd/user.c
+++ b/mbbsd/user.c
@@ -1325,15 +1325,20 @@ u_editplan(void)
}
int
-isvalidemail(const char *email)
+isvalidemail(char *email)
{
FILE *fp;
char buf[128], *c;
int allow = 0;
- if (!strstr(email, "@"))
- return 0;
- for (c = strstr(email, "@"); *c != 0; ++c)
+ c = strchr(email, '@');
+ if (c == NULL) return 0;
+
+ // reject multiple '@'
+ if (c != strrchr(email, '@')) return 0;
+
+ // domain tolower
+ for (; *c != 0; ++c)
if ('A' <= *c && *c <= 'Z')
*c += 32;
--
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