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// SPDX-License-Identifier: GPL-2.0-or-later
/*
*/
#include <zebra.h>
#include <sys/stat.h>
#include <lib/version.h>
#include "getopt.h"
#include "privs.h"
#include "memory.h"
#include "lib_vty.h"
zebra_capabilities_t _caps_p[] = {
ZCAP_NET_RAW, ZCAP_BIND, ZCAP_NET_ADMIN, ZCAP_DAC_OVERRIDE,
};
struct zebra_privs_t test_privs = {
#if defined(FRR_USER) && defined(FRR_GROUP)
.user = FRR_USER,
.group = FRR_GROUP,
#endif
#if defined(VTY_GROUP)
.vty_group = VTY_GROUP,
#endif
.caps_p = _caps_p,
.cap_num_p = array_size(_caps_p),
.cap_num_i = 0};
struct option longopts[] = {{"help", no_argument, NULL, 'h'},
{"user", required_argument, NULL, 'u'},
{"group", required_argument, NULL, 'g'},
{0}};
/* Help information display. */
static void usage(char *progname, int status)
{
if (status != 0)
fprintf(stderr, "Try `%s --help' for more information.\n",
progname);
else {
printf("Usage : %s [OPTION...]\n\
Daemon which does 'slow' things.\n\n\
-u, --user User to run as\n\
-g, --group Group to run as\n\
-h, --help Display this help and exit\n\
\n\
Report bugs to %s\n",
progname, FRR_BUG_ADDRESS);
}
exit(status);
}
struct event_loop *master;
/* main routine. */
int main(int argc, char **argv)
{
char *p;
char *progname;
struct zprivs_ids_t ids;
/* Set umask before anything for security */
umask(0027);
/* get program name */
progname = ((p = strrchr(argv[0], '/')) ? ++p : argv[0]);
while (1) {
int opt;
opt = getopt_long(argc, argv, "hu:g:", longopts, 0);
if (opt == EOF)
break;
switch (opt) {
case 0:
break;
case 'u':
test_privs.user = optarg;
break;
case 'g':
test_privs.group = optarg;
break;
case 'h':
usage(progname, 0);
break;
default:
usage(progname, 1);
break;
}
}
/* Library inits. */
lib_cmd_init();
zprivs_preinit(&test_privs);
zprivs_init(&test_privs);
#define PRIV_STATE() \
((test_privs.current_state() == ZPRIVS_RAISED) ? "Raised" : "Lowered")
printf("%s\n", PRIV_STATE());
frr_with_privs(&test_privs) {
printf("%s\n", PRIV_STATE());
}
printf("%s\n", PRIV_STATE());
zprivs_get_ids(&ids);
/* terminate privileges */
zprivs_terminate(&test_privs);
/* but these should continue to work... */
printf("%s\n", PRIV_STATE());
frr_with_privs(&test_privs) {
printf("%s\n", PRIV_STATE());
}
printf("%s\n", PRIV_STATE());
zprivs_get_ids(&ids);
printf("terminating\n");
return 0;
}
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