One more bug in pam_unix preventing it to work properly.
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@ -32,7 +32,7 @@ diff -up Linux-PAM-1.1.7/modules/pam_unix/pam_unix_passwd.c.build Linux-PAM-1.1.
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retval = PAM_AUTHTOK_ERR;
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diff -up Linux-PAM-1.1.7/modules/pam_unix/support.c.build Linux-PAM-1.1.7/modules/pam_unix/support.c
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--- Linux-PAM-1.1.7/modules/pam_unix/support.c.build 2013-09-13 13:22:12.716064196 +0200
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+++ Linux-PAM-1.1.7/modules/pam_unix/support.c 2013-09-13 13:22:12.755065042 +0200
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+++ Linux-PAM-1.1.7/modules/pam_unix/support.c 2013-09-13 14:44:02.452924470 +0200
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@@ -19,6 +19,7 @@
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#include <signal.h>
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#include <ctype.h>
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@ -41,3 +41,12 @@ diff -up Linux-PAM-1.1.7/modules/pam_unix/support.c.build Linux-PAM-1.1.7/module
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#include <sys/resource.h>
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#ifdef HAVE_RPCSVC_YPCLNT_H
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#include <rpcsvc/ypclnt.h>
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@@ -177,7 +178,7 @@ int _set_ctrl(pam_handle_t *pamh, int fl
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free (val);
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/* read number of rounds for crypt algo */
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- if (on(UNIX_SHA256_PASS, ctrl) || on(UNIX_SHA512_PASS, ctrl)) {
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+ if (rounds && (on(UNIX_SHA256_PASS, ctrl) || on(UNIX_SHA512_PASS, ctrl))) {
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val=search_key ("SHA_CRYPT_MAX_ROUNDS", LOGIN_DEFS);
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if (val) {
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