security/cyrus-sasl2-gssapi: remove patch-plugins_gssapi.c

PR:		260017
Reported by:	Michael Osipov
Discussed with: hrs
MFH:		2021Q4

(cherry picked from commit 17b54ce763)

security/cyrus-sasl2-gssapi/Makefile

@@ -1,5 +1,5 @@
 PKGNAMESUFFIX=	-gssapi
-PORTREVISION=	1
+PORTREVISION=	2
 
 COMMENT=	SASL GSSAPI authentication plugin
 

security/cyrus-sasl2/files/patch-plugins_gssapi.c

@@ -1,117 +0,0 @@
-#
-# Fixes of "keytab" keyword on the client side.
-#
-# https://github.com/cyrusimap/cyrus-sasl/commit/74faca7400f414784b5e2e136668e6f4ef0d6b96
-# https://github.com/cyrusimap/cyrus-sasl/commit/7a95382c68e7187fe7407b2a94036d9ca3246e34
-# https://github.com/cyrusimap/cyrus-sasl/commit/238380260fe623212c0f21d63e763b7a849540d1
-#
---- plugins/gssapi.c.orig	2018-11-08 17:29:57 UTC
-+++ plugins/gssapi.c
-@@ -1668,8 +1668,10 @@ static int gssapi_client_mech_step(void *conn_context,
-     if (clientoutlen)
-         *clientoutlen = 0;
-     
-+#if 0
-     params->utils->log(params->utils->conn, SASL_LOG_DEBUG,
- 		       "GSSAPI client step %d", text->state);
-+#endif
- 
-     switch (text->state) {
- 
-@@ -1777,6 +1779,39 @@ static int gssapi_client_mech_step(void *conn_context,
- 	    req_flags = req_flags |  GSS_C_DELEG_FLAG;
- 	}
- 
-+	/*
-+	 * If caller didn't provide creds already.
-+	 *
-+	 * In the case of Kerberos, a client typically wants to use
-+	 * a credential in either a keytab file or the credentials cache
-+	 * of the current process context.  This code path will try to
-+	 * find a credential in the specified keytab file,  then the
-+	 * credentials cache.  The keytab file can be specified by
-+	 * "keytab" option, and it is configured by using
-+	 * gsskrb5_register_acceptor_identity() API when available.
-+	 */
-+	if (client_creds == GSS_C_NO_CREDENTIAL) {
-+	    GSS_LOCK_MUTEX_CTX(params->utils, text);
-+	    maj_stat = gss_acquire_cred(&min_stat,
-+					text->server_name,
-+					GSS_C_INDEFINITE,
-+					GSS_C_NO_OID_SET,
-+					GSS_C_INITIATE,
-+					&text->client_creds, 
-+					NULL, 
-+					NULL);
-+	    GSS_UNLOCK_MUTEX_CTX(params->utils, text);
-+
-+	    /*
-+	     * Ignore the error intentionally.  The credential was
-+	     * not found in the specified keytab file.
-+	     */
-+	    if (GSS_ERROR(maj_stat) == 0) {
-+		client_creds = text->client_creds;
-+	    }
-+	}
-+
-+	/* Try the credentials cache. */
- 	GSS_LOCK_MUTEX_CTX(params->utils, text);
- 	maj_stat = gss_init_sec_context(&min_stat,
- 					client_creds, /* GSS_C_NO_CREDENTIAL */
-@@ -2227,16 +2262,55 @@ static sasl_client_plug_t gssapi_client_plugins[] = 
- #endif
- };
- 
--int gssapiv2_client_plug_init(const sasl_utils_t *utils __attribute__((unused)), 
-+int gssapiv2_client_plug_init(
-+#ifndef HAVE_GSSKRB5_REGISTER_ACCEPTOR_IDENTITY
-+    const sasl_utils_t *utils __attribute__((unused)),
-+#else
-+    const sasl_utils_t *utils,
-+#endif
- 			      int maxversion,
- 			      int *out_version, 
- 			      sasl_client_plug_t **pluglist,
- 			      int *plugcount)
- {
-+#ifdef HAVE_GSSKRB5_REGISTER_ACCEPTOR_IDENTITY
-+    const char *keytab = NULL;
-+    char keytab_path[1024];
-+    unsigned int rl;
-+#endif
-+
-     if (maxversion < SASL_CLIENT_PLUG_VERSION) {
- 	SETERROR(utils, "Version mismatch in GSSAPI");
- 	return SASL_BADVERS;
-     }
-+
-+#ifdef HAVE_GSSKRB5_REGISTER_ACCEPTOR_IDENTITY
-+    /* unfortunately, we don't check for readability of keytab if it's
-+       the standard one, since we don't know where it is */
-+    
-+    /* FIXME: This code is broken */
-+    
-+    utils->getopt(utils->getopt_context, "GSSAPI", "keytab", &keytab, &rl);
-+    if (keytab != NULL) {
-+	if (access(keytab, R_OK) != 0) {
-+	    utils->log(NULL, SASL_LOG_ERR,
-+		       "Could not find keytab file: %s: %m", keytab);
-+	    return SASL_FAIL;
-+	}
-+	
-+	if(strlen(keytab) > sizeof(keytab_path)) {
-+	    utils->log(NULL, SASL_LOG_ERR,
-+		       "path to keytab is > %zu characters",
-+		       sizeof(keytab_path));
-+	    return SASL_BUFOVER;
-+	}
-+	
-+	strncpy(keytab_path, keytab, sizeof(keytab_path));
-+	keytab_path[sizeof(keytab_path) - 1] = '\0';
-+	
-+	gsskrb5_register_acceptor_identity(keytab_path);
-+    }
-+#endif
-     
-     *out_version = SASL_CLIENT_PLUG_VERSION;
-     *pluglist = gssapi_client_plugins;