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res_xmpp: Correct implementation of JABBER_STATUS & JabberStatus

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The documentation for JABBER_STATUS (and the deprecated JabberStatus
app) indicate that a return value of 7 indicates that the specified
buddy was not in the roster. It also indicates that you can specify a
"bare" JID (one without a resource). Unfortunately the actual behavior
does not match the documented behavior.

Assuming that our roster includes the buddy online and available
"valid@example.org/Valid" and does *not* include the buddy
"invalid@example.org", the JABBER_STATUS() function returns the
following before this patch:

+------------------------------+------------+--------------------------+
| Buddy                        | Status     | Result                   |
+------------------------------+------------+--------------------------+
| valid@example.org            |  Online    |  7 (Not in roster)       |
| valid@example.org/Valid      |  Online    |  1 (Online)              |
| valid@example.org/Invalid    |  N/A       |  7 (Not in roster)       |
| invalid@example.org          |  N/A       |  Error logged, no return |
| invalid@example.org/Valid    |  N/A       |  Error logged, no return |
+------------------------------+------------+--------------------------+

And after this patch:

+------------------------------+------------+--------------------------+
| Buddy                        | Status     | Result                   |
+------------------------------+------------+--------------------------+
| valid@example.org            |  Online    |  1 (Online)              |
| valid@example.org/Valid      |  Online    |  1 (Online)              |
| valid@example.org/Invalid    |  N/A       |  6 (Offline)             |
| invalid@example.org          |  N/A       |  7 (Not in roster)       |
| invalid@example.org/Valid    |  N/A       |  7 (Not in roster)       |
+------------------------------+------------+--------------------------+

This brings the behavior in line with the documentation.

ASTERISK-23510 #close
Reported by: Anthony Critelli

Change-Id: I9c3241035363ef4a6bdc21fabfd8ffcd9ec657bf
This commit is contained in:
Sean Bright
2017-03-22 21:33:02 -04:00
parent a487f6fb97
commit 0939a19cff
1 changed files with 31 additions and 44 deletions
Download Patch File Download Diff File Expand all files Collapse all files

75
res/res_xmpp.c
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@@ -1632,6 +1632,35 @@ static int xmpp_resource_immediate(void *obj, void *arg, int flags)
return CMP_MATCH | CMP_STOP;
}
#define BUDDY_OFFLINE 6
#define BUDDY_NOT_IN_ROSTER 7
static int get_buddy_status(struct ast_xmpp_client_config *clientcfg, char *screenname, char *resource)
{
int status = BUDDY_OFFLINE;
struct ast_xmpp_resource *res;
struct ast_xmpp_buddy *buddy = ao2_find(clientcfg->client->buddies, screenname, OBJ_KEY);
if (!buddy) {
return BUDDY_NOT_IN_ROSTER;
}
res = ao2_callback(
buddy->resources,
0,
ast_strlen_zero(resource) ? xmpp_resource_immediate : xmpp_resource_cmp,
resource);
if (res) {
status = res->status;
}
ao2_cleanup(res);
ao2_cleanup(buddy);
return status;
}
/*
* \internal
* \brief Dial plan function status(). puts the status of watched user
@@ -1645,10 +1674,7 @@ static int xmpp_status_exec(struct ast_channel *chan, const char *data)
{
RAII_VAR(struct xmpp_config *, cfg, ao2_global_obj_ref(globals), ao2_cleanup);
RAII_VAR(struct ast_xmpp_client_config *, clientcfg, NULL, ao2_cleanup);
struct ast_xmpp_buddy *buddy;
struct ast_xmpp_resource *resource;
char *s = NULL, status[2];
int stat = 7;
static int deprecation_warning = 0;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(sender);
@@ -1687,25 +1713,7 @@ static int xmpp_status_exec(struct ast_channel *chan, const char *data)
return -1;
}
if (!(buddy = ao2_find(clientcfg->client->buddies, jid.screenname, OBJ_KEY))) {
ast_log(LOG_WARNING, "Could not find buddy in list: '%s'\n", jid.screenname);
return -1;
}
if (ast_strlen_zero(jid.resource) || !(resource = ao2_callback(buddy->resources, 0, xmpp_resource_cmp, jid.resource))) {
resource = ao2_callback(buddy->resources, OBJ_NODATA, xmpp_resource_immediate, NULL);
}
ao2_ref(buddy, -1);
if (resource) {
stat = resource->status;
ao2_ref(resource, -1);
} else {
ast_log(LOG_NOTICE, "Resource '%s' of buddy '%s' was not found\n", jid.resource, jid.screenname);
}
snprintf(status, sizeof(status), "%d", stat);
snprintf(status, sizeof(status), "%d", get_buddy_status(clientcfg, jid.screenname, jid.resource));
pbx_builtin_setvar_helper(chan, args.variable, status);
return 0;
@@ -1724,9 +1732,6 @@ static int acf_jabberstatus_read(struct ast_channel *chan, const char *name, cha
{
RAII_VAR(struct xmpp_config *, cfg, ao2_global_obj_ref(globals), ao2_cleanup);
RAII_VAR(struct ast_xmpp_client_config *, clientcfg, NULL, ao2_cleanup);
struct ast_xmpp_buddy *buddy;
struct ast_xmpp_resource *resource;
int stat = 7;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(sender);
AST_APP_ARG(jid);
@@ -1758,25 +1763,7 @@ static int acf_jabberstatus_read(struct ast_channel *chan, const char *name, cha
return -1;
}
if (!(buddy = ao2_find(clientcfg->client->buddies, jid.screenname, OBJ_KEY))) {
ast_log(LOG_WARNING, "Could not find buddy in list: '%s'\n", jid.screenname);
return -1;
}
if (ast_strlen_zero(jid.resource) || !(resource = ao2_callback(buddy->resources, 0, xmpp_resource_cmp, jid.resource))) {
resource = ao2_callback(buddy->resources, OBJ_NODATA, xmpp_resource_immediate, NULL);
}
ao2_ref(buddy, -1);
if (resource) {
stat = resource->status;
ao2_ref(resource, -1);
} else {
ast_log(LOG_NOTICE, "Resource %s of buddy %s was not found.\n", jid.resource, jid.screenname);
}
snprintf(buf, buflen, "%d", stat);
snprintf(buf, buflen, "%d", get_buddy_status(clientcfg, jid.screenname, jid.resource));
return 0;
}