Backport recent memory fixes to 1.0

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/v1-0@4094 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_iax2.c

@@ -536,12 +536,12 @@ AST_MUTEX_DEFINE_STATIC(dpcache_lock);
 static void iax_debug_output(const char *data)
 {
 	if (iaxdebug)
-		ast_verbose(data);
+		ast_verbose("%s", data);
 }
 
 static void iax_error_output(const char *data)
 {
-	ast_log(LOG_WARNING, data);
+	ast_log(LOG_WARNING, "%s", data);
 }
 
 /* XXX We probably should use a mutex when working with this XXX */
@@ -6399,9 +6399,11 @@ static struct iax2_peer *build_peer(char *name, struct ast_variable *v)
  	} else {
 		ast_mutex_unlock(&peerl.lock);
 		peer = malloc(sizeof(struct iax2_peer));
-		memset(peer, 0, sizeof(struct iax2_peer));
-		peer->expire = -1;
-		peer->pokeexpire = -1;
+		if (peer) {
+			memset(peer, 0, sizeof(struct iax2_peer));
+			peer->expire = -1;
+			peer->pokeexpire = -1;
+		}
 	}
 	if (peer) {
 		peer->messagedetail = globalmessagedetail;
@@ -6566,7 +6568,8 @@ static struct iax2_user *build_user(char *name, struct ast_variable *v)
  	} else {
 		ast_mutex_unlock(&userl.lock);
 		user = malloc(sizeof(struct iax2_user));
-		memset(user, 0, sizeof(struct iax2_user));
+		if (user)
+			memset(user, 0, sizeof(struct iax2_user));
 	}
 	
 	if (user) {

channels/chan_sip.c

@@ -8222,6 +8222,8 @@ static struct sip_peer *temp_peer(char *name)
 {
 	struct sip_peer *peer;
 	peer = malloc(sizeof(struct sip_peer));
+	if (!peer)
+		return NULL;
 	memset(peer, 0, sizeof(struct sip_peer));
 	peer->expire = -1;
 	peer->pokeexpire = -1;
@@ -8282,12 +8284,14 @@ static struct sip_peer *build_peer(char *name, struct ast_variable *v)
  	} else {
 		ast_mutex_unlock(&peerl.lock);
 		peer = malloc(sizeof(struct sip_peer));
-		memset(peer, 0, sizeof(struct sip_peer));
-		peer->expire = -1;
-		peer->pokeexpire = -1;
+		if (peer) {
+			memset(peer, 0, sizeof(struct sip_peer));
+			peer->expire = -1;
+			peer->pokeexpire = -1;
+		}
 	}
-	peer->lastmsgssent = -1;
 	if (peer) {
+		peer->lastmsgssent = -1;
 		if (!found) {
 			strncpy(peer->name, name, sizeof(peer->name)-1);
 			strncpy(peer->context, default_context, sizeof(peer->context)-1);

channels/chan_zap.c

@@ -7125,7 +7125,7 @@ static void *do_idle_thread(void *vchan)
 
 static void zt_pri_message(char *s)
 {
-	ast_verbose(s);
+	ast_verbose("%s", s);
 }
 
 static void zt_pri_error(char *s)

channels/iax2-parser.c

@@ -32,7 +32,7 @@ static int oframes = 0;
 
 static void internaloutput(const char *str)
 {
-	printf(str);
+	fputs(str, stdout);
 }
 
 static void internalerror(const char *str)

res/res_monitor.c

@@ -90,6 +90,11 @@ int ast_monitor_start(	struct ast_channel *chan, const char *format_spec,
 		}
 
 		monitor = malloc(sizeof(struct ast_channel_monitor));
+		if (!monitor) {
+			if (need_lock)
+				ast_mutex_unlock(&chan->lock);
+			return -1;
+		}
 		memset(monitor, 0, sizeof(struct ast_channel_monitor));
 
 		/* Determine file names */
@@ -391,6 +396,11 @@ static int start_monitor_action(struct mansession *s, struct message *m)
 	if ((!fname) || (ast_strlen_zero(fname))) {
 		// No filename base specified, default to channel name as per CLI
 		fname = malloc (FILENAME_MAX);
+		if (!fname) {
+			astman_send_error(s, m, "Could not start monitoring channel");
+			ast_mutex_unlock(&c->lock);
+			return 0;
+		}
 		memset(fname, 0, FILENAME_MAX);
 		strncpy(fname, c->name, FILENAME_MAX-1);
 		// Channels have the format technology/channel_name - have to replace that / 

res/res_odbc.c

@@ -99,10 +99,12 @@ static int load_odbc_config(void)
 			if (!strcmp(cat, "ENV")) {
 				for (v = ast_variable_browse(config, cat); v; v = v->next) {
 					env_var = malloc(strlen(v->name) + strlen(v->value) + 2);
-					sprintf(env_var, "%s=%s", v->name, v->value);
-					ast_log(LOG_NOTICE, "Adding ENV var: %s=%s\n", v->name, v->value);
-					putenv(env_var);
-					free(env_var);
+					if (env_var) {
+						sprintf(env_var, "%s=%s", v->name, v->value);
+						ast_log(LOG_NOTICE, "Adding ENV var: %s=%s\n", v->name, v->value);
+						putenv(env_var);
+						free(env_var);
+					}
 				}
 
 			cat = ast_category_browse(config, cat);
@@ -222,6 +224,8 @@ odbc_obj *new_odbc_obj(char *name, char *dsn, char *username, char *password)
 	static odbc_obj *new;
 
 	new = malloc(sizeof(odbc_obj));
+	if (!new)
+		return NULL;
 	memset(new, 0, sizeof(odbc_obj));
 	new->env = SQL_NULL_HANDLE;
 

tdd.c

@@ -77,8 +77,8 @@ struct tdd_state *tdd_new(void)
 {
 	struct tdd_state *tdd;
 	tdd = malloc(sizeof(struct tdd_state));
-	memset(tdd, 0, sizeof(struct tdd_state));
 	if (tdd) {
+		memset(tdd, 0, sizeof(struct tdd_state));
 		tdd->fskd.spb = 176;		/* 45.5 baud */
 		tdd->fskd.hdlc = 0;		/* Async */
 		tdd->fskd.nbit = 5;		/* 5 bits */