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whois/whois-5.0.11-mkpasswd-crypt_gensalt-might-change-the-prefix.diff

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From b8cdda35e57303fa67e96165e8eb37a19e22171b Mon Sep 17 00:00:00 2001
From: Ludwig Nussel <ludwig.nussel@suse.de>
Date: Thu, 14 Jul 2011 13:06:56 +0200
Subject: [PATCH whois 3/7] crypt_gensalt might change the prefix
It's undocumented behavior but be prepared for it.
---
mkpasswd.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/mkpasswd.c b/mkpasswd.c
index 59c7a58..8bdc7f3 100644
--- a/mkpasswd.c
+++ b/mkpasswd.c
@@ -331,7 +331,9 @@ int main(int argc, char *argv[])
fprintf(stderr, "crypt failed.\n");
exit(2);
}
- if (!strneq(result, salt_prefix, strlen(salt_prefix))) {
+ /* yes, using strlen(salt_prefix) on salt. It's not
+ * documented whether crypt_gensalt may change the prefix */
+ if (!strneq(result, salt, strlen(salt_prefix))) {
fprintf(stderr, _("Method not supported by crypt(3).\n"));
exit(2);
}
--
1.7.3.4