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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/* Copyright 2015, Richard Lowe. */
#include "lint.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <sys/proc.h>
#include <sys/procset.h>
#include <sys/syscall.h>
#include <sys/secflags.h>
extern int __psecflagsset(procset_t *, psecflagwhich_t, secflagdelta_t *);
int
psecflags(idtype_t idtype, id_t id, psecflagwhich_t which,
secflagdelta_t *delta)
{
procset_t procset;
setprocset(&procset, POP_AND, idtype, id, P_ALL, 0);
return (__psecflagsset(&procset, which, delta));
}
int
secflags_parse(const secflagset_t *defaults, const char *flags,
secflagdelta_t *ret)
{
char *flag;
char *s, *ss;
boolean_t current = B_FALSE;
/* Guarantee a clean base */
bzero(ret, sizeof (*ret));
if ((ss = s = strdup(flags)) == NULL)
return (-1); /* errno set for us */
while ((flag = strsep(&s, ",")) != NULL) {
secflag_t sf = 0;
boolean_t del = B_FALSE;
if (strcasecmp(flag, "default") == 0) {
if (defaults != NULL) {
secflags_union(&ret->psd_add, defaults);
} else {
free(ss);
errno = EINVAL;
return (-1);
}
continue;
} else if (strcasecmp(flag, "all") == 0) {
secflags_fullset(&ret->psd_add);
continue;
} else if (strcasecmp(flag, "none") == 0) {
secflags_fullset(&ret->psd_rem);
continue;
} else if (strcasecmp(flag, "current") == 0) {
current = B_TRUE;
continue;
}
if ((flag[0] == '-') || (flag[0] == '!')) {
flag++;
del = B_TRUE;
} else if (flag[0] == '+') {
flag++;
}
if ((secflag_by_name(flag, &sf)) != B_TRUE) {
free(ss);
errno = EINVAL;
return (-1);
}
if (del)
secflag_set(&(ret->psd_rem), sf);
else
secflag_set(&(ret->psd_add), sf);
}
/*
* If we're not using the current flags, this is strict assignment.
* Negatives "win".
*/
if (!current) {
secflags_copy(&ret->psd_assign, &ret->psd_add);
secflags_difference(&ret->psd_assign, &ret->psd_rem);
ret->psd_ass_active = B_TRUE;
secflags_zero(&ret->psd_add);
secflags_zero(&ret->psd_rem);
}
free(ss);
return (0);
}
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