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cvtsudoers: use init_parse_tree() to initialize a parse tree.

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Also free the parse tree before exit.
This commit is contained in:
Todd C. Miller
2021-11-19 12:29:21 -07:00
parent 730ebabdba
commit aed51033e1
2 changed files with 16 additions and 16 deletions
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29
plugins/sudoers/cvtsudoers.c
View File

@@ -104,7 +104,7 @@ int
main(int argc, char *argv[])
{
struct sudoers_parse_tree_list parse_trees = TAILQ_HEAD_INITIALIZER(parse_trees);
struct sudoers_parse_tree *parse_tree, merged_tree;
struct sudoers_parse_tree merged_tree, *parse_tree = NULL;
struct cvtsudoers_config *conf = NULL;
enum sudoers_formats output_format = format_ldif;
enum sudoers_formats input_format = format_sudoers;
@@ -131,6 +131,9 @@ main(int argc, char *argv[])
bindtextdomain("sudoers", LOCALEDIR);
textdomain("sudoers");
/* Initialize early, before any "goto done". */
init_parse_tree(&merged_tree, NULL, NULL);
/* Read debug and plugin sections of sudo.conf. */
if (sudo_conf_read(NULL, SUDO_CONF_DEBUG|SUDO_CONF_PLUGINS) == -1)
goto done;
@@ -373,13 +376,11 @@ main(int argc, char *argv[])
}
}
parse_tree = calloc(1, sizeof(*parse_tree));
parse_tree = malloc(sizeof(*parse_tree));
if (parse_tree == NULL)
sudo_fatalx("%s", U_("unable to allocate memory"));
parse_tree->lhost = lhost;
parse_tree->shost = shost;
TAILQ_INIT(&parse_tree->userspecs);
TAILQ_INIT(&parse_tree->defaults);
init_parse_tree(parse_tree, lhost, shost);
TAILQ_INSERT_TAIL(&parse_trees, parse_tree, entries);
/* Setup defaults data structures. */
if (!init_defaults()) {
@@ -400,7 +401,6 @@ main(int argc, char *argv[])
default:
sudo_fatalx("error: unhandled input %d", input_format);
}
TAILQ_INSERT_TAIL(&parse_trees, parse_tree, entries);
/* Apply filters. */
filter_userspecs(parse_tree, conf);
@@ -416,14 +416,11 @@ main(int argc, char *argv[])
} while (argc > 0);
parse_tree = TAILQ_FIRST(&parse_trees);
if (parse_tree == TAILQ_LAST(&parse_trees, sudoers_parse_tree_list)) {
/* No merging required. */
goto output;
if (TAILQ_NEXT(parse_tree, entries)) {
/* Multiple sudoers files, merge them all. */
parse_tree = merge_sudoers(&parse_trees, &merged_tree);
}
parse_tree = merge_sudoers(&parse_trees, &merged_tree);
output:
switch (output_format) {
case format_csv:
exitcode = !convert_sudoers_csv(parse_tree, output_file, conf);
@@ -442,6 +439,12 @@ output:
}
done:
free_parse_tree(&merged_tree);
while ((parse_tree = TAILQ_FIRST(&parse_trees)) != NULL) {
TAILQ_REMOVE(&parse_trees, parse_tree, entries);
free_parse_tree(parse_tree);
free(parse_tree);
}
cvtsudoers_conf_free(conf);
sudo_debug_exit_int(__func__, __FILE__, __LINE__, sudo_debug_subsys, exitcode);
return exitcode;

3
plugins/sudoers/cvtsudoers_merge.c
View File

@@ -838,9 +838,6 @@ merge_sudoers(struct sudoers_parse_tree_list *parse_trees,
{
debug_decl(merge_sudoers, SUDOERS_DEBUG_UTIL);
memset(merged_tree, 0, sizeof(*merged_tree));
TAILQ_INIT(&merged_tree->userspecs);
TAILQ_INIT(&merged_tree->defaults);
if ((merged_tree->aliases = alloc_aliases()) == NULL)
sudo_fatalx(U_("%s: %s"), __func__, U_("unable to allocate memory"));