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BUG/MEDIUM: auth: fix segfault with http-auth and a configuration with an unknown encryption algorithm

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Grgoire Morpain reported a segfault when a secured password is used for http
authentication. It was caused by the use of an unsupported encryption algorithm
with libcrypto. In this case, crypt() returns a NULL pointer.

The fix should be backported to 1.4 and 1.5.
This commit is contained in:
Cyril Bont 2014-08-29 20:20:01 +02:00 committed by Willy Tarreau
parent aa4e32e10a
commit c82279c5fc
1 changed files with 1 additions and 1 deletions
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2
src/auth.c
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@ -252,7 +252,7 @@ check_user(struct userlist *ul, const char *user, const char *pass)
fprintf(stderr, ", crypt=%s\n", ep);
#endif
if (!strcmp(ep, u->pass))
if (ep && strcmp(ep, u->pass) == 0)
return 1;
else
return 0;