Dialplan functions should not actually return 0, unless they have modified the

workspace.  To signal an error (and no change to the workspace), -1 should be
returned instead.
(closes issue #13340)
 Reported by: kryptolus
 Patches: 
       20080827__bug13340__2.diff.txt uploaded by Corydon76 (license 14)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@146799 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Tilghman Lesher
2008-10-06 20:52:04 +00:00
parent 850cd15e26
commit 93ef1ee4ef
11 changed files with 54 additions and 18 deletions

View File

@@ -41,6 +41,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
static int callerid_read(struct ast_channel *chan, char *cmd, char *data,
char *buf, size_t len)
{
int res = -1;
char *opt = data;
if (!chan)
@@ -54,12 +55,15 @@ static int callerid_read(struct ast_channel *chan, char *cmd, char *data,
if (!strncasecmp("all", data, 3)) {
snprintf(buf, len, "\"%s\" <%s>", name, num);
res = 0;
} else if (!strncasecmp("name", data, 4)) {
ast_copy_string(buf, name, len);
res = 0;
} else if (!strncasecmp("num", data, 3) ||
!strncasecmp("number", data, 6)) {
ast_copy_string(buf, num, len);
res = 0;
} else {
ast_log(LOG_ERROR, "Unknown callerid data type '%s'.\n", data);
}
@@ -70,26 +74,32 @@ static int callerid_read(struct ast_channel *chan, char *cmd, char *data,
snprintf(buf, len, "\"%s\" <%s>",
S_OR(chan->cid.cid_name, ""),
S_OR(chan->cid.cid_num, ""));
res = 0;
} else if (!strncasecmp("name", data, 4)) {
if (chan->cid.cid_name) {
ast_copy_string(buf, chan->cid.cid_name, len);
res = 0;
}
} else if (!strncasecmp("num", data, 3)
|| !strncasecmp("number", data, 6)) {
if (chan->cid.cid_num) {
ast_copy_string(buf, chan->cid.cid_num, len);
res = 0;
}
} else if (!strncasecmp("ani", data, 3)) {
if (chan->cid.cid_ani) {
ast_copy_string(buf, chan->cid.cid_ani, len);
res = 0;
}
} else if (!strncasecmp("dnid", data, 4)) {
if (chan->cid.cid_dnid) {
ast_copy_string(buf, chan->cid.cid_dnid, len);
res = 0;
}
} else if (!strncasecmp("rdnis", data, 5)) {
if (chan->cid.cid_rdnis) {
ast_copy_string(buf, chan->cid.cid_rdnis, len);
res = 0;
}
} else {
ast_log(LOG_ERROR, "Unknown callerid data type '%s'.\n", data);
@@ -98,7 +108,7 @@ static int callerid_read(struct ast_channel *chan, char *cmd, char *data,
ast_channel_unlock(chan);
}
return 0;
return res;
}
static int callerid_write(struct ast_channel *chan, char *cmd, char *data,

View File

@@ -88,7 +88,7 @@ static int cdr_read(struct ast_channel *chan, char *cmd, char *parse,
ast_test_flag(&flags, OPT_RECURSIVE),
ast_test_flag(&flags, OPT_UNPARSED));
return 0;
return ret ? 0 : -1;
}
static int cdr_write(struct ast_channel *chan, char *cmd, char *parse,

View File

@@ -97,6 +97,7 @@ AST_THREADSTORAGE_CUSTOM(curl_instance, curl_instance_init, curl_instance_cleanu
static int curl_internal(struct MemoryStruct *chunk, char *url, char *post)
{
int ret;
CURL **curl;
if (!(curl = ast_threadstorage_get(&curl_instance, sizeof(*curl))))
@@ -119,16 +120,17 @@ static int curl_internal(struct MemoryStruct *chunk, char *url, char *post)
curl_easy_setopt(*curl, CURLOPT_POSTFIELDS, post);
}
curl_easy_perform(*curl);
ret = curl_easy_perform(*curl);
if (post)
curl_easy_setopt(*curl, CURLOPT_POST, 0);
return 0;
return ret ? -1 : 0;
}
static int acf_curl_exec(struct ast_channel *chan, char *cmd, char *info, char *buf, size_t len)
{
int ret = -1;
struct ast_module_user *u;
struct MemoryStruct chunk = { NULL, 0 };
AST_DECLARE_APP_ARGS(args,
@@ -159,6 +161,7 @@ static int acf_curl_exec(struct ast_channel *chan, char *cmd, char *info, char *
ast_copy_string(buf, chunk.memory, len);
free(chunk.memory);
}
ret = 0;
} else {
ast_log(LOG_ERROR, "Cannot allocate curl structure\n");
}
@@ -168,7 +171,7 @@ static int acf_curl_exec(struct ast_channel *chan, char *cmd, char *info, char *
ast_module_user_remove(u);
return 0;
return ret;
}
struct ast_custom_function acf_curl = {

View File

@@ -39,6 +39,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
static int group_count_function_read(struct ast_channel *chan, char *cmd,
char *data, char *buf, size_t len)
{
int ret = -1;
int count = -1;
char group[80] = "", category[80] = "";
@@ -64,12 +65,14 @@ static int group_count_function_read(struct ast_channel *chan, char *cmd,
ast_app_group_list_unlock();
}
if ((count = ast_app_group_get_count(group, category)) == -1)
if ((count = ast_app_group_get_count(group, category)) == -1) {
ast_log(LOG_NOTICE, "No group could be found for channel '%s'\n", chan->name);
else
} else {
snprintf(buf, len, "%d", count);
ret = 0;
}
return 0;
return ret;
}
static struct ast_custom_function group_count_function = {
@@ -96,9 +99,10 @@ static int group_match_count_function_read(struct ast_channel *chan,
if (!ast_strlen_zero(group)) {
count = ast_app_group_match_get_count(group, category);
snprintf(buf, len, "%d", count);
return 0;
}
return 0;
return -1;
}
static struct ast_custom_function group_match_count_function = {
@@ -116,6 +120,7 @@ static struct ast_custom_function group_match_count_function = {
static int group_function_read(struct ast_channel *chan, char *cmd,
char *data, char *buf, size_t len)
{
int ret = -1;
struct ast_group_info *gi = NULL;
ast_app_group_list_lock();
@@ -129,12 +134,14 @@ static int group_function_read(struct ast_channel *chan, char *cmd,
break;
}
if (gi)
if (gi) {
ast_copy_string(buf, gi->group, len);
ret = 0;
}
ast_app_group_list_unlock();
return 0;
return ret;
}
static int group_function_write(struct ast_channel *chan, char *cmd,

View File

@@ -78,14 +78,14 @@ static int math(struct ast_channel *chan, char *cmd, char *parse,
);
if (ast_strlen_zero(parse)) {
ast_log(LOG_WARNING, "Syntax: Math(<number1><op><number 2>[,<type_of_result>]) - missing argument!\n");
ast_log(LOG_WARNING, "Syntax: MATH(<number1><op><number 2>[,<type_of_result>]) - missing argument!\n");
return -1;
}
AST_STANDARD_APP_ARGS(args, parse);
if (args.argc < 1) {
ast_log(LOG_WARNING, "Syntax: Math(<number1><op><number 2>[,<type_of_result>]) - missing argument!\n");
ast_log(LOG_WARNING, "Syntax: MATH(<number1><op><number 2>[,<type_of_result>]) - missing argument!\n");
return -1;
}

View File

@@ -218,7 +218,7 @@ static int acf_odbc_read(struct ast_channel *chan, char *cmd, char *s, char *buf
struct odbc_obj *obj;
struct acf_odbc_query *query;
char sql[2048] = "", varname[15];
int res, x, buflen = 0, escapecommas, bogus_chan = 0;
int res, x, buflen = 1, escapecommas, bogus_chan = 0;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(field)[100];
);

View File

@@ -80,7 +80,7 @@ static int timeout_read(struct ast_channel *chan, char *cmd, char *data,
default:
ast_log(LOG_ERROR, "Unknown timeout type specified.\n");
break;
return -1;
}
return 0;