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testsudoers: add -L, -l and -v options.

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This makes it possible to test "sudo -l" and "sudo -v" using
testsudoers.
This commit is contained in:
Todd C. Miller 2023-07-26 10:37:52 -06:00
parent 538be58ac0
commit 75256516bd
1 changed files with 45 additions and 7 deletions
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52
plugins/sudoers/testsudoers.c
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@ -108,6 +108,7 @@ main(int argc, char *argv[])
int ch, dflag, exitcode = EXIT_FAILURE; int ch, dflag, exitcode = EXIT_FAILURE;
unsigned int validated; unsigned int validated;
int status = FOUND; int status = FOUND;
int pwflag = 0;
char cwdbuf[PATH_MAX]; char cwdbuf[PATH_MAX];
time_t now; time_t now;
id_t id; id_t id;
@ -137,7 +138,7 @@ main(int argc, char *argv[])
dflag = 0; dflag = 0;
grfile = pwfile = NULL; grfile = pwfile = NULL;
while ((ch = getopt(argc, argv, "+D:dg:G:h:i:P:p:R:T:tu:U:")) != -1) { while ((ch = getopt(argc, argv, "+D:dg:G:h:i:L:lP:p:R:T:tu:U:v")) != -1) {
switch (ch) { switch (ch) {
case 'D': case 'D':
user_runcwd = optarg; user_runcwd = optarg;
@ -168,6 +169,23 @@ main(int argc, char *argv[])
usage(); usage();
} }
break; break;
case 'L':
list_pw = sudo_getpwnam(optarg);
if (list_pw == NULL) {
sudo_warnx(U_("unknown user %s"), optarg);
usage();
}
FALLTHROUGH;
case 'l':
if (sudo_mode != MODE_RUN) {
sudo_warnx(
"only one of the -l or -v flags may be specified");
usage();
}
sudo_mode = MODE_LIST;
pwflag = I_LISTPW;
orig_cmnd = "list";
break;
case 'p': case 'p':
pwfile = optarg; pwfile = optarg;
break; break;
@ -195,6 +213,16 @@ main(int argc, char *argv[])
runas_user = optarg; runas_user = optarg;
SET(sudo_user.flags, RUNAS_USER_SPECIFIED); SET(sudo_user.flags, RUNAS_USER_SPECIFIED);
break; break;
case 'v':
if (sudo_mode != MODE_RUN) {
sudo_warnx(
"only one of the -l or -v flags may be specified");
usage();
}
sudo_mode = MODE_VALIDATE;
pwflag = I_VERIFYPW;
orig_cmnd = "validate";
break;
default: default:
usage(); usage();
/* NOTREACHED */ /* NOTREACHED */
@ -217,15 +245,23 @@ main(int argc, char *argv[])
} }
if (argc < 2) { if (argc < 2) {
if (!dflag) /* No command or user specified. */
usage(); if (dflag) {
user_name = argc ? *argv++ : (char *)"root";
orig_cmnd = "true"; orig_cmnd = "true";
} else if (pwflag == 0) {
usage();
}
user_name = argc ? *argv++ : (char *)"root";
argc = 0; argc = 0;
} else { } else {
if (argc > 2 && sudo_mode == MODE_LIST)
sudo_mode = MODE_CHECK;
user_name = *argv++; user_name = *argv++;
argc--;
if (orig_cmnd == NULL) {
orig_cmnd = *argv++; orig_cmnd = *argv++;
argc -= 2; argc--;
}
} }
user_cmnd = strdup(orig_cmnd); user_cmnd = strdup(orig_cmnd);
if (user_cmnd == NULL) if (user_cmnd == NULL)
@ -238,6 +274,8 @@ main(int argc, char *argv[])
if ((sudo_user.pw = sudo_getpwnam(user_name)) == NULL) if ((sudo_user.pw = sudo_getpwnam(user_name)) == NULL)
sudo_fatalx(U_("unknown user %s"), user_name); sudo_fatalx(U_("unknown user %s"), user_name);
user_uid = sudo_user.pw->pw_uid;
user_gid = sudo_user.pw->pw_gid;
if (user_host == NULL) { if (user_host == NULL) {
if ((user_host = sudo_gethostname()) == NULL) if ((user_host = sudo_gethostname()) == NULL)
@ -348,7 +386,7 @@ main(int argc, char *argv[])
printf("\nEntries for user %s:\n", user_name); printf("\nEntries for user %s:\n", user_name);
validated = sudoers_lookup(&snl, sudo_user.pw, now, &callbacks, &status, validated = sudoers_lookup(&snl, sudo_user.pw, now, &callbacks, &status,
false); pwflag);
/* Validate user-specified chroot or cwd (if any) and runas user shell. */ /* Validate user-specified chroot or cwd (if any) and runas user shell. */
if (ISSET(validated, VALIDATE_SUCCESS)) { if (ISSET(validated, VALIDATE_SUCCESS)) {
@ -730,6 +768,6 @@ testsudoers_error(const char *restrict buf)
sudo_noreturn static void sudo_noreturn static void
usage(void) usage(void)
{ {
(void) fprintf(stderr, "usage: %s [-dt] [-G sudoers_gid] [-g group] [-h host] [-i input_format] [-P grfile] [-p pwfile] [-U sudoers_uid] [-u user] <user> <command> [args]\n", getprogname()); (void) fprintf(stderr, "usage: %s [-dltv] [-G sudoers_gid] [-g group] [-h host] [-i input_format] [-L list_user] [-P grfile] [-p pwfile] [-U sudoers_uid] [-u user] <user> <command> [args]\n", getprogname());
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }