Blame SOURCES/cyrus-sasl-2.1.26-null-crypt.patch

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diff -up cyrus-sasl-2.1.26/pwcheck/pwcheck_getpwnam.c.null-crypt cyrus-sasl-2.1.26/pwcheck/pwcheck_getpwnam.c
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--- cyrus-sasl-2.1.26/pwcheck/pwcheck_getpwnam.c.null-crypt	2012-01-28 00:31:36.000000000 +0100
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+++ cyrus-sasl-2.1.26/pwcheck/pwcheck_getpwnam.c	2012-12-20 17:00:14.614580310 +0100
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@@ -31,7 +31,7 @@ char *pwcheck(userid, password)
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 char *userid;
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 char *password;
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 {
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-    char* r;
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+    char* r, *cryptbuf;
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     struct passwd *pwd;
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     pwd = getpwnam(userid);
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@@ -41,11 +41,13 @@ char *password;
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     else if (pwd->pw_passwd[0] == '*') {
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 	r = "Account disabled";
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     }
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-    else if (strcmp(pwd->pw_passwd, crypt(password, pwd->pw_passwd)) != 0) {
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-	r = "Incorrect password";
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-    }
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     else {
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-	r = "OK";
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+	cryptbuf = crypt(password, pwd->pw_passwd);
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+	if((cryptbuf == NULL) || (strcmp(pwd->pw_passwd, cryptbuf) != 0)) {
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+	   r = "Incorrect password";
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+	} else {
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+	   r = "OK";
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+	}
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     }
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     endpwent();
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diff -up cyrus-sasl-2.1.26/saslauthd/auth_getpwent.c.null-crypt cyrus-sasl-2.1.26/saslauthd/auth_getpwent.c
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--- cyrus-sasl-2.1.26/saslauthd/auth_getpwent.c.null-crypt	2012-10-12 16:05:48.000000000 +0200
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+++ cyrus-sasl-2.1.26/saslauthd/auth_getpwent.c	2012-12-20 17:03:17.940793653 +0100
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@@ -78,6 +78,7 @@ auth_getpwent (
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     /* VARIABLES */
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     struct passwd *pw;			/* pointer to passwd file entry */
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     int errnum;
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+    char *cryptbuf;
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     /* END VARIABLES */
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     errno = 0;
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@@ -105,7 +106,8 @@ auth_getpwent (
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 	}
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     }
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-    if (strcmp(pw->pw_passwd, (const char *)crypt(password, pw->pw_passwd))) {
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+    cryptbuf = crypt(password, pw->pw_passwd);
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+    if ((cryptbuf == NULL) || strcmp(pw->pw_passwd, cryptbuf)) {
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 	if (flags & VERBOSE) {
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 	    syslog(LOG_DEBUG, "DEBUG: auth_getpwent: %s: invalid password", login);
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 	}
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diff -up cyrus-sasl-2.1.26/saslauthd/auth_shadow.c.null-crypt cyrus-sasl-2.1.26/saslauthd/auth_shadow.c
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--- cyrus-sasl-2.1.26/saslauthd/auth_shadow.c.null-crypt	2012-12-20 17:00:14.000000000 +0100
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+++ cyrus-sasl-2.1.26/saslauthd/auth_shadow.c	2012-12-20 17:16:44.190360006 +0100
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@@ -214,8 +214,8 @@ auth_shadow (
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 	RETURN("NO Insufficient permission to access NIS authentication database (saslauthd)");
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     }
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-    cpw = strdup((const char *)crypt(password, sp->sp_pwdp));
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-    if (strcmp(sp->sp_pwdp, cpw)) {
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+    cpw = crypt(password, sp->sp_pwdp);
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+    if ((cpw == NULL) || strcmp(sp->sp_pwdp, cpw)) {
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 	if (flags & VERBOSE) {
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 	    /*
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 	     * This _should_ reveal the SHADOW_PW_LOCKED prefix to an
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@@ -225,10 +225,8 @@ auth_shadow (
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 	    syslog(LOG_DEBUG, "DEBUG: auth_shadow: pw mismatch: '%s' != '%s'",
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 		   sp->sp_pwdp, cpw);
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 	}
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-	free(cpw);
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 	RETURN("NO Incorrect password");
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     }
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-    free(cpw);
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     /*
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      * The following fields will be set to -1 if:
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@@ -290,7 +288,8 @@ auth_shadow (
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 	RETURN("NO Invalid username");
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     }
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-    if (strcmp(upw->upw_passwd, crypt(password, upw->upw_passwd)) != 0) {
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+    cpw = crypt(password, upw->upw_passwd);
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+    if ((cpw == NULL) || strcmp(upw->upw_passwd, cpw) != 0) {
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 	if (flags & VERBOSE) {
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 	    syslog(LOG_DEBUG, "auth_shadow: pw mismatch: %s != %s",
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 		   password, upw->upw_passwd);