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Fix issue where bad registration info leads to NULL dereference crash #355

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Fix issue where bad registration info leads to NULL dereference crash #355

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12 changes: 9 additions & 3 deletions res/res_rpt_http_registrations.c
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Original file line number Diff line number Diff line change
Expand Up @@ -249,8 +249,9 @@ static int http_register(struct http_registry *reg)
port = ast_json_integer_get(ast_json_object_get(json, "port"));
refresh = ast_json_integer_get(ast_json_object_get(json, "refresh"));
data = ast_json_dump_string(ast_json_object_get(json, "data"));
ast_debug(2, "Response: ipaddr=%s, port=%d, refresh=%d, data=%s\n", ipaddr, port, refresh, data);
if (strstr(data, "successfully registered")) {
ast_debug(2, "Response: ipaddr=%s, port=%d, refresh=%d, data=%s\n",
ipaddr, port, refresh, data);
if (data && strstr(data, "successfully registered")) {
ast_copy_string(reg->perceived, ipaddr, sizeof(reg->perceived));
reg->perceived_port = port;
reg->refresh = refresh;
Expand Down Expand Up @@ -336,7 +337,12 @@ static char *handle_show_registrations(struct ast_cli_entry *e, int cmd, struct
ast_copy_string(perceived, "<Unregistered>", sizeof(perceived));
}
snprintf(host, sizeof(host), "%s", ast_sockaddr_stringify(&reg->addr));
ast_cli(a->fd, FORMAT, host, reg->username, reg->perceived_port ? perceived : "<Unregistered>", reg->refresh, reg->registered ? "Registered" : "Not Registered");
ast_cli(a->fd, FORMAT,
host,
reg->username,
reg->perceived_port ? perceived : "<Unregistered>",
reg->refresh,
reg->registered ? "Registered" : "Not Registered");
counter++;
}
AST_RWLIST_UNLOCK(&registrations);
Expand Down
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