int
linux_audit_command(char *argv[], int result)
{
int au_fd, rc;
char *command, *cp, **av;
size_t size, n;
if ((au_fd = linux_audit_open()) == -1)
return -1;
/* Convert argv to a flat string. */
for (size = 0, av = argv; *av != NULL; av++)
size += strlen(*av) + 1;
command = cp = emalloc(size);
for (av = argv; *av != NULL; av++) {
n = strlcpy(cp, *av, size - (cp - command));
if (n >= size - (cp - command))
errorx(1, "internal error, linux_audit_command() overflow");
cp += n;
*cp++ = ' ';
}
*--cp = '\0';
/* Log command, ignoring ECONNREFUSED on error. */
rc = audit_log_user_command(au_fd, AUDIT_USER_CMD, command, NULL, result);
if (rc <= 0 && errno != ECONNREFUSED)
warning("unable to send audit message");
efree(command);
return rc;
}
int
linux_audit_command(char *argv[], int result)
{
int au_fd, rc = -1;
char *command, *cp, **av;
size_t size, n;
debug_decl(linux_audit_command, SUDOERS_DEBUG_AUDIT)
/* Don't return an error if auditing is not configured. */
if ((au_fd = linux_audit_open()) < 0)
debug_return_int(au_fd == AUDIT_NOT_CONFIGURED ? 0 : -1);
/* Convert argv to a flat string. */
for (size = 0, av = argv; *av != NULL; av++)
size += strlen(*av) + 1;
command = cp = sudo_emalloc(size);
for (av = argv; *av != NULL; av++) {
n = strlcpy(cp, *av, size - (cp - command));
if (n >= size - (cp - command)) {
sudo_warnx(U_("internal error, %s overflow"), __func__);
goto done;
}
cp += n;
*cp++ = ' ';
}
*--cp = '\0';
/* Log command, ignoring ECONNREFUSED on error. */
if (audit_log_user_command(au_fd, AUDIT_USER_CMD, command, NULL, result) <= 0) {
if (errno != ECONNREFUSED) {
sudo_warn(U_("unable to send audit message"));
goto done;
}
}
rc = 0;
done:
sudo_efree(command);
debug_return_int(rc);
}
int
linux_audit_role_change(const char *old_context,
const char *new_context, const char *ttyn)
{
int au_fd, rc;
char *message;
if ((au_fd = linux_audit_open()) == -1)
return -1;
/* audit role change using the same format as newrole(1) */
easprintf(&message, "newrole: old-context=%s new-context=%s",
old_context, new_context);
rc = audit_log_user_message(au_fd, AUDIT_USER_ROLE_CHANGE,
message, NULL, NULL, ttyn, 1);
if (rc <= 0)
warning("unable to send audit message");
efree(message);
return rc;
}
