#include <config.h>
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_STDBOOL_H
# include <stdbool.h>
#else
# include "compat/stdbool.h"
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <unistd.h>
#include <ctype.h>
#include "sudoers.h"
static int sudoers_debug_instance = SUDO_DEBUG_INSTANCE_INITIALIZER;
static const char *const sudoers_subsystem_names[] = {
"alias",
"audit",
"auth",
"defaults",
"env",
"event",
"ldap",
"logging",
"main",
"match",
"netif",
"nss",
"parser",
"perms",
"plugin",
"rbtree",
"sssd",
"util",
NULL
};
#define NUM_SUBSYSTEMS (nitems(sudoers_subsystem_names) - 1)
unsigned int sudoers_subsystem_ids[NUM_SUBSYSTEMS];
bool
sudoers_debug_parse_flags(struct sudo_conf_debug_file_list *debug_files,
const char *entry)
{
struct sudo_debug_file *debug_file;
const char *filename, *flags;
size_t namelen;
if (sudoers_debug_instance != SUDO_DEBUG_INSTANCE_INITIALIZER)
return true;
filename = entry;
if (*filename != '/' || (flags = strpbrk(filename, " \t")) == NULL)
return true;
namelen = (size_t)(flags - filename);
while (isblank((unsigned char)*flags))
flags++;
if (*flags != '\0') {
if ((debug_file = calloc(1, sizeof(*debug_file))) == NULL)
goto oom;
if ((debug_file->debug_file = strndup(filename, namelen)) == NULL)
goto oom;
if ((debug_file->debug_flags = strdup(flags)) == NULL)
goto oom;
TAILQ_INSERT_TAIL(debug_files, debug_file, entries);
}
return true;
oom:
if (debug_file != NULL) {
free(debug_file->debug_file);
free(debug_file->debug_flags);
free(debug_file);
}
sudo_warnx_nodebug(U_("%s: %s"), "sudoers_debug_parse_flags",
U_("unable to allocate memory"));
return false;
}
bool
sudoers_debug_register(const char *program,
struct sudo_conf_debug_file_list *debug_files)
{
struct sudo_debug_file *debug_file, *debug_next;
if (sudoers_debug_instance != SUDO_DEBUG_INSTANCE_INITIALIZER) {
sudo_debug_set_active_instance(sudoers_debug_instance);
}
if (debug_files != NULL && !TAILQ_EMPTY(debug_files)) {
if (program != NULL) {
sudoers_debug_instance = sudo_debug_register(program,
sudoers_subsystem_names, sudoers_subsystem_ids, debug_files);
if (sudoers_debug_instance == SUDO_DEBUG_INSTANCE_ERROR)
return false;
}
TAILQ_FOREACH_SAFE(debug_file, debug_files, entries, debug_next) {
TAILQ_REMOVE(debug_files, debug_file, entries);
free(debug_file->debug_file);
free(debug_file->debug_flags);
free(debug_file);
}
}
return true;
}
void
sudoers_debug_deregister(void)
{
debug_decl(sudoers_debug_deregister, SUDOERS_DEBUG_PLUGIN)
if (sudoers_debug_instance != SUDO_DEBUG_INSTANCE_INITIALIZER) {
sudo_debug_exit(__func__, __FILE__, __LINE__, sudo_debug_subsys);
sudo_debug_deregister(sudoers_debug_instance);
sudoers_debug_instance = SUDO_DEBUG_INSTANCE_INITIALIZER;
}
}