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config: Fix inf loop using ast_category_browse and ast_variable_retrieve

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Fix infinite loop when calling ast_variable_retrieve inside an
ast_category_browse loop when there is more than 1 category with
the same name.

Tested-by: George Joseph

Review: https://reviewboard.asterisk.org/r/4089/
........

Merged revisions 425713 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/13@425714 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
George Joseph
2014-10-16 17:30:39 +00:00
parent 289830cdc6
commit b8f505294a
3 changed files with 91 additions and 11 deletions
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61
tests/test_config.c
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@@ -460,7 +460,7 @@ AST_TEST_DEFINE(config_basic_ops)
cat = ast_category_browse_filtered(cfg, NULL, NULL, NULL);
cat = ast_category_browse_filtered(cfg, NULL, cat, NULL);
cat_name = ast_category_get_name(cat);
var = ast_variable_new("aaa", "bbb", "dummy");
var = ast_variable_new("aaa", "bbb0", "dummy");
if (!var) {
ast_test_status_update(test, "Couldn't allocate variable.\n");
goto out;
@@ -469,18 +469,73 @@ AST_TEST_DEFINE(config_basic_ops)
/* Make sure we can retrieve with specific category name */
var_value = ast_variable_retrieve(cfg, cat_name, "aaa");
if (!var_value || strcmp(var_value, "bbb")) {
if (!var_value || strcmp(var_value, "bbb0")) {
ast_test_status_update(test, "Variable not found or wrong value.\n");
goto out;
}
/* Make sure we can retrieve with NULL category name */
var_value = ast_variable_retrieve(cfg, NULL, "aaa");
if (!var_value || strcmp(var_value, "bbb")) {
if (!var_value || strcmp(var_value, "bbb0")) {
ast_test_status_update(test, "Variable not found or wrong value.\n");
goto out;
}
/* Now test variable retrieve inside a browse loop
* with multiple categories of the same name
*/
cat = ast_category_new("test3", "dummy", -1);
if (!cat) {
ast_test_status_update(test, "Couldn't allocate category.\n");
goto out;
}
var = ast_variable_new("aaa", "bbb1", "dummy");
if (!var) {
ast_test_status_update(test, "Couldn't allocate variable.\n");
goto out;
}
ast_variable_append(cat, var);
ast_category_append(cfg, cat);
cat = ast_category_new("test3", "dummy", -1);
if (!cat) {
ast_test_status_update(test, "Couldn't allocate category.\n");
goto out;
}
var = ast_variable_new("aaa", "bbb2", "dummy");
if (!var) {
ast_test_status_update(test, "Couldn't allocate variable.\n");
goto out;
}
ast_variable_append(cat, var);
ast_category_append(cfg, cat);
cat_name = NULL;
i = 0;
while ((cat_name = ast_category_browse(cfg, cat_name))) {
if (!strcmp(cat_name, "test3")) {
snprintf(temp, sizeof(temp), "bbb%d", i);
var_value = ast_variable_retrieve(cfg, cat_name, "aaa");
if (!var_value || strcmp(var_value, temp)) {
ast_test_status_update(test, "Variable not found or wrong value %s.\n", var_value);
goto out;
}
var = ast_variable_browse(cfg, cat_name);
if (!var->value || strcmp(var->value, temp)) {
ast_test_status_update(test, "Variable not found or wrong value %s.\n", var->value);
goto out;
}
i++;
}
}
if (i != 3) {
ast_test_status_update(test, "There should have been 3 matches instead of %d.\n", i);
goto out;
}
res = AST_TEST_PASS;
out: