diff options
Diffstat (limited to 'lib/libcasper/services/cap_grp/tests/grp_test.c')
| -rw-r--r-- | lib/libcasper/services/cap_grp/tests/grp_test.c | 1556 |
1 files changed, 1556 insertions, 0 deletions
diff --git a/lib/libcasper/services/cap_grp/tests/grp_test.c b/lib/libcasper/services/cap_grp/tests/grp_test.c new file mode 100644 index 000000000000..d7e9cf12954a --- /dev/null +++ b/lib/libcasper/services/cap_grp/tests/grp_test.c @@ -0,0 +1,1556 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2013 The FreeBSD Foundation + * + * This software was developed by Pawel Jakub Dawidek under sponsorship from + * the FreeBSD Foundation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/capsicum.h> +#include <sys/nv.h> + +#include <assert.h> +#include <err.h> +#include <errno.h> +#include <grp.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include <libcasper.h> + +#include <casper/cap_grp.h> + +static int ntest = 1; + +#define CHECK(expr) do { \ + if ((expr)) \ + printf("ok %d %s:%u\n", ntest, __FILE__, __LINE__); \ + else \ + printf("not ok %d %s:%u\n", ntest, __FILE__, __LINE__); \ + fflush(stdout); \ + ntest++; \ +} while (0) +#define CHECKX(expr) do { \ + if ((expr)) { \ + printf("ok %d %s:%u\n", ntest, __FILE__, __LINE__); \ + } else { \ + printf("not ok %d %s:%u\n", ntest, __FILE__, __LINE__); \ + exit(1); \ + } \ + fflush(stdout); \ + ntest++; \ +} while (0) + +#define GID_WHEEL 0 +#define GID_OPERATOR 5 + +#define GETGRENT0 0x0001 +#define GETGRENT1 0x0002 +#define GETGRENT2 0x0004 +#define GETGRENT (GETGRENT0 | GETGRENT1 | GETGRENT2) +#define GETGRENT_R0 0x0008 +#define GETGRENT_R1 0x0010 +#define GETGRENT_R2 0x0020 +#define GETGRENT_R (GETGRENT_R0 | GETGRENT_R1 | GETGRENT_R2) +#define GETGRNAM 0x0040 +#define GETGRNAM_R 0x0080 +#define GETGRGID 0x0100 +#define GETGRGID_R 0x0200 +#define SETGRENT 0x0400 + +static bool +group_mem_compare(char **mem0, char **mem1) +{ + int i0, i1; + + if (mem0 == NULL && mem1 == NULL) + return (true); + if (mem0 == NULL || mem1 == NULL) + return (false); + + for (i0 = 0; mem0[i0] != NULL; i0++) { + for (i1 = 0; mem1[i1] != NULL; i1++) { + if (strcmp(mem0[i0], mem1[i1]) == 0) + break; + } + if (mem1[i1] == NULL) + return (false); + } + + return (true); +} + +static bool +group_compare(const struct group *grp0, const struct group *grp1) +{ + + if (grp0 == NULL && grp1 == NULL) + return (true); + if (grp0 == NULL || grp1 == NULL) + return (false); + + if (strcmp(grp0->gr_name, grp1->gr_name) != 0) + return (false); + + if (grp0->gr_passwd != NULL || grp1->gr_passwd != NULL) { + if (grp0->gr_passwd == NULL || grp1->gr_passwd == NULL) + return (false); + if (strcmp(grp0->gr_passwd, grp1->gr_passwd) != 0) + return (false); + } + + if (grp0->gr_gid != grp1->gr_gid) + return (false); + + if (!group_mem_compare(grp0->gr_mem, grp1->gr_mem)) + return (false); + + return (true); +} + +static unsigned int +runtest_cmds(cap_channel_t *capgrp) +{ + char bufs[1024], bufc[1024]; + unsigned int result; + struct group *grps, *grpc; + struct group sts, stc; + + result = 0; + + (void)setgrent(); + if (cap_setgrent(capgrp) == 1) + result |= SETGRENT; + + grps = getgrent(); + grpc = cap_getgrent(capgrp); + if (group_compare(grps, grpc)) { + result |= GETGRENT0; + grps = getgrent(); + grpc = cap_getgrent(capgrp); + if (group_compare(grps, grpc)) + result |= GETGRENT1; + } + + getgrent_r(&sts, bufs, sizeof(bufs), &grps); + cap_getgrent_r(capgrp, &stc, bufc, sizeof(bufc), &grpc); + if (group_compare(grps, grpc)) { + result |= GETGRENT_R0; + getgrent_r(&sts, bufs, sizeof(bufs), &grps); + cap_getgrent_r(capgrp, &stc, bufc, sizeof(bufc), &grpc); + if (group_compare(grps, grpc)) + result |= GETGRENT_R1; + } + + (void)setgrent(); + if (cap_setgrent(capgrp) == 1) + result |= SETGRENT; + + getgrent_r(&sts, bufs, sizeof(bufs), &grps); + cap_getgrent_r(capgrp, &stc, bufc, sizeof(bufc), &grpc); + if (group_compare(grps, grpc)) + result |= GETGRENT_R2; + + grps = getgrent(); + grpc = cap_getgrent(capgrp); + if (group_compare(grps, grpc)) + result |= GETGRENT2; + + grps = getgrnam("wheel"); + grpc = cap_getgrnam(capgrp, "wheel"); + if (group_compare(grps, grpc)) { + grps = getgrnam("operator"); + grpc = cap_getgrnam(capgrp, "operator"); + if (group_compare(grps, grpc)) + result |= GETGRNAM; + } + + getgrnam_r("wheel", &sts, bufs, sizeof(bufs), &grps); + cap_getgrnam_r(capgrp, "wheel", &stc, bufc, sizeof(bufc), &grpc); + if (group_compare(grps, grpc)) { + getgrnam_r("operator", &sts, bufs, sizeof(bufs), &grps); + cap_getgrnam_r(capgrp, "operator", &stc, bufc, sizeof(bufc), + &grpc); + if (group_compare(grps, grpc)) + result |= GETGRNAM_R; + } + + grps = getgrgid(GID_WHEEL); + grpc = cap_getgrgid(capgrp, GID_WHEEL); + if (group_compare(grps, grpc)) { + grps = getgrgid(GID_OPERATOR); + grpc = cap_getgrgid(capgrp, GID_OPERATOR); + if (group_compare(grps, grpc)) + result |= GETGRGID; + } + + getgrgid_r(GID_WHEEL, &sts, bufs, sizeof(bufs), &grps); + cap_getgrgid_r(capgrp, GID_WHEEL, &stc, bufc, sizeof(bufc), &grpc); + if (group_compare(grps, grpc)) { + getgrgid_r(GID_OPERATOR, &sts, bufs, sizeof(bufs), &grps); + cap_getgrgid_r(capgrp, GID_OPERATOR, &stc, bufc, sizeof(bufc), + &grpc); + if (group_compare(grps, grpc)) + result |= GETGRGID_R; + } + + return (result); +} + +static void +test_cmds(cap_channel_t *origcapgrp) +{ + cap_channel_t *capgrp; + const char *cmds[7], *fields[4], *names[5]; + gid_t gids[5]; + + fields[0] = "gr_name"; + fields[1] = "gr_passwd"; + fields[2] = "gr_gid"; + fields[3] = "gr_mem"; + + names[0] = "wheel"; + names[1] = "daemon"; + names[2] = "kmem"; + names[3] = "sys"; + names[4] = "operator"; + + gids[0] = 0; + gids[1] = 1; + gids[2] = 2; + gids[3] = 3; + gids[4] = 5; + + /* + * Allow: + * cmds: setgrent, getgrent, getgrent_r, getgrnam, getgrnam_r, + * getgrgid, getgrgid_r + * fields: gr_name, gr_passwd, gr_gid, gr_mem + * groups: + * names: wheel, daemon, kmem, sys, operator + * gids: + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrent_r"; + cmds[3] = "getgrnam"; + cmds[4] = "getgrnam_r"; + cmds[5] = "getgrgid"; + cmds[6] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 7) == 0); + CHECK(cap_grp_limit_fields(capgrp, fields, 4) == 0); + CHECK(cap_grp_limit_groups(capgrp, names, 5, NULL, 0) == 0); + + CHECK(runtest_cmds(capgrp) == (SETGRENT | GETGRENT | GETGRENT_R | + GETGRNAM | GETGRNAM_R | GETGRGID | GETGRGID_R)); + + cap_close(capgrp); + + /* + * Allow: + * cmds: setgrent, getgrent, getgrent_r, getgrnam, getgrnam_r, + * getgrgid, getgrgid_r + * fields: gr_name, gr_passwd, gr_gid, gr_mem + * groups: + * names: + * gids: 0, 1, 2, 3, 5 + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrent_r"; + cmds[3] = "getgrnam"; + cmds[4] = "getgrnam_r"; + cmds[5] = "getgrgid"; + cmds[6] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 7) == 0); + CHECK(cap_grp_limit_fields(capgrp, fields, 4) == 0); + CHECK(cap_grp_limit_groups(capgrp, NULL, 0, gids, 5) == 0); + + CHECK(runtest_cmds(capgrp) == (SETGRENT | GETGRENT | GETGRENT_R | + GETGRNAM | GETGRNAM_R | GETGRGID | GETGRGID_R)); + + cap_close(capgrp); + + /* + * Allow: + * cmds: getgrent, getgrent_r, getgrnam, getgrnam_r, + * getgrgid, getgrgid_r + * fields: gr_name, gr_passwd, gr_gid, gr_mem + * groups: + * names: wheel, daemon, kmem, sys, operator + * gids: + * Disallow: + * cmds: setgrent + * fields: + * groups: + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + cap_setgrent(capgrp); + + cmds[0] = "getgrent"; + cmds[1] = "getgrent_r"; + cmds[2] = "getgrnam"; + cmds[3] = "getgrnam_r"; + cmds[4] = "getgrgid"; + cmds[5] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 6) == 0); + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrent_r"; + cmds[3] = "getgrnam"; + cmds[4] = "getgrnam_r"; + cmds[5] = "getgrgid"; + cmds[6] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 7) == -1 && errno == ENOTCAPABLE); + cmds[0] = "setgrent"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 1) == -1 && errno == ENOTCAPABLE); + CHECK(cap_grp_limit_groups(capgrp, names, 5, NULL, 0) == 0); + + CHECK(runtest_cmds(capgrp) == (GETGRENT0 | GETGRENT1 | GETGRENT_R0 | + GETGRENT_R1 | GETGRNAM | GETGRNAM_R | GETGRGID | GETGRGID_R)); + + cap_close(capgrp); + + /* + * Allow: + * cmds: getgrent, getgrent_r, getgrnam, getgrnam_r, + * getgrgid, getgrgid_r + * fields: gr_name, gr_passwd, gr_gid, gr_mem + * groups: + * names: + * gids: 0, 1, 2, 3, 5 + * Disallow: + * cmds: setgrent + * fields: + * groups: + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + cap_setgrent(capgrp); + + cmds[0] = "getgrent"; + cmds[1] = "getgrent_r"; + cmds[2] = "getgrnam"; + cmds[3] = "getgrnam_r"; + cmds[4] = "getgrgid"; + cmds[5] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 6) == 0); + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrent_r"; + cmds[3] = "getgrnam"; + cmds[4] = "getgrnam_r"; + cmds[5] = "getgrgid"; + cmds[6] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 7) == -1 && errno == ENOTCAPABLE); + cmds[0] = "setgrent"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 1) == -1 && errno == ENOTCAPABLE); + CHECK(cap_grp_limit_groups(capgrp, NULL, 0, gids, 5) == 0); + + CHECK(runtest_cmds(capgrp) == (GETGRENT0 | GETGRENT1 | GETGRENT_R0 | + GETGRENT_R1 | GETGRNAM | GETGRNAM_R | GETGRGID | GETGRGID_R)); + + cap_close(capgrp); + + /* + * Allow: + * cmds: setgrent, getgrent_r, getgrnam, getgrnam_r, + * getgrgid, getgrgid_r + * fields: gr_name, gr_passwd, gr_gid, gr_mem + * groups: + * names: wheel, daemon, kmem, sys, operator + * gids: + * Disallow: + * cmds: getgrent + * fields: + * groups: + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + cmds[0] = "setgrent"; + cmds[1] = "getgrent_r"; + cmds[2] = "getgrnam"; + cmds[3] = "getgrnam_r"; + cmds[4] = "getgrgid"; + cmds[5] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 6) == 0); + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrent_r"; + cmds[3] = "getgrnam"; + cmds[4] = "getgrnam_r"; + cmds[5] = "getgrgid"; + cmds[6] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 7) == -1 && errno == ENOTCAPABLE); + cmds[0] = "getgrent"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 1) == -1 && errno == ENOTCAPABLE); + CHECK(cap_grp_limit_fields(capgrp, fields, 4) == 0); + CHECK(cap_grp_limit_groups(capgrp, names, 5, NULL, 0) == 0); + + CHECK(runtest_cmds(capgrp) == (SETGRENT | GETGRENT_R2 | + GETGRNAM | GETGRNAM_R | GETGRGID | GETGRGID_R)); + + cap_close(capgrp); + + /* + * Allow: + * cmds: setgrent, getgrent_r, getgrnam, getgrnam_r, + * getgrgid, getgrgid_r + * fields: gr_name, gr_passwd, gr_gid, gr_mem + * groups: + * names: + * gids: 0, 1, 2, 3, 5 + * Disallow: + * cmds: getgrent + * fields: + * groups: + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + cmds[0] = "setgrent"; + cmds[1] = "getgrent_r"; + cmds[2] = "getgrnam"; + cmds[3] = "getgrnam_r"; + cmds[4] = "getgrgid"; + cmds[5] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 6) == 0); + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrent_r"; + cmds[3] = "getgrnam"; + cmds[4] = "getgrnam_r"; + cmds[5] = "getgrgid"; + cmds[6] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 7) == -1 && errno == ENOTCAPABLE); + cmds[0] = "getgrent"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 1) == -1 && errno == ENOTCAPABLE); + CHECK(cap_grp_limit_fields(capgrp, fields, 4) == 0); + CHECK(cap_grp_limit_groups(capgrp, NULL, 0, gids, 5) == 0); + + CHECK(runtest_cmds(capgrp) == (SETGRENT | GETGRENT_R2 | + GETGRNAM | GETGRNAM_R | GETGRGID | GETGRGID_R)); + + cap_close(capgrp); + + /* + * Allow: + * cmds: setgrent, getgrent, getgrnam, getgrnam_r, + * getgrgid, getgrgid_r + * fields: gr_name, gr_passwd, gr_gid, gr_mem + * groups: + * names: wheel, daemon, kmem, sys, operator + * gids: + * Disallow: + * cmds: getgrent_r + * fields: + * groups: + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrnam"; + cmds[3] = "getgrnam_r"; + cmds[4] = "getgrgid"; + cmds[5] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 6) == 0); + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrent_r"; + cmds[3] = "getgrnam"; + cmds[4] = "getgrnam_r"; + cmds[5] = "getgrgid"; + cmds[6] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 7) == -1 && errno == ENOTCAPABLE); + cmds[0] = "getgrent_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 1) == -1 && errno == ENOTCAPABLE); + CHECK(cap_grp_limit_groups(capgrp, names, 5, NULL, 0) == 0); + + CHECK(runtest_cmds(capgrp) == (SETGRENT | GETGRENT0 | GETGRENT1 | + GETGRNAM | GETGRNAM_R | GETGRGID | GETGRGID_R)); + + cap_close(capgrp); + + /* + * Allow: + * cmds: setgrent, getgrent, getgrnam, getgrnam_r, + * getgrgid, getgrgid_r + * fields: gr_name, gr_passwd, gr_gid, gr_mem + * groups: + * names: + * gids: 0, 1, 2, 3, 5 + * Disallow: + * cmds: getgrent_r + * fields: + * groups: + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrnam"; + cmds[3] = "getgrnam_r"; + cmds[4] = "getgrgid"; + cmds[5] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 6) == 0); + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrent_r"; + cmds[3] = "getgrnam"; + cmds[4] = "getgrnam_r"; + cmds[5] = "getgrgid"; + cmds[6] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 7) == -1 && errno == ENOTCAPABLE); + cmds[0] = "getgrent_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 1) == -1 && errno == ENOTCAPABLE); + CHECK(cap_grp_limit_groups(capgrp, NULL, 0, gids, 5) == 0); + + CHECK(runtest_cmds(capgrp) == (SETGRENT | GETGRENT0 | GETGRENT1 | + GETGRNAM | GETGRNAM_R | GETGRGID | GETGRGID_R)); + + cap_close(capgrp); + + /* + * Allow: + * cmds: setgrent, getgrent, getgrent_r, getgrnam_r, + * getgrgid, getgrgid_r + * fields: gr_name, gr_passwd, gr_gid, gr_mem + * groups: + * names: wheel, daemon, kmem, sys, operator + * gids: + * Disallow: + * cmds: getgrnam + * fields: + * groups: + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrent_r"; + cmds[3] = "getgrnam_r"; + cmds[4] = "getgrgid"; + cmds[5] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 6) == 0); + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrent_r"; + cmds[3] = "getgrnam"; + cmds[4] = "getgrnam_r"; + cmds[5] = "getgrgid"; + cmds[6] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 7) == -1 && errno == ENOTCAPABLE); + cmds[0] = "getgrnam"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 1) == -1 && errno == ENOTCAPABLE); + CHECK(cap_grp_limit_fields(capgrp, fields, 4) == 0); + CHECK(cap_grp_limit_groups(capgrp, names, 5, NULL, 0) == 0); + + CHECK(runtest_cmds(capgrp) == (SETGRENT | GETGRENT | GETGRENT_R | + GETGRNAM_R | GETGRGID | GETGRGID_R)); + + cap_close(capgrp); + + /* + * Allow: + * cmds: setgrent, getgrent, getgrent_r, getgrnam_r, + * getgrgid, getgrgid_r + * fields: gr_name, gr_passwd, gr_gid, gr_mem + * groups: + * names: + * gids: 0, 1, 2, 3, 5 + * Disallow: + * cmds: getgrnam + * fields: + * groups: + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrent_r"; + cmds[3] = "getgrnam_r"; + cmds[4] = "getgrgid"; + cmds[5] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 6) == 0); + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrent_r"; + cmds[3] = "getgrnam"; + cmds[4] = "getgrnam_r"; + cmds[5] = "getgrgid"; + cmds[6] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 7) == -1 && errno == ENOTCAPABLE); + cmds[0] = "getgrnam"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 1) == -1 && errno == ENOTCAPABLE); + CHECK(cap_grp_limit_fields(capgrp, fields, 4) == 0); + CHECK(cap_grp_limit_groups(capgrp, NULL, 0, gids, 5) == 0); + + CHECK(runtest_cmds(capgrp) == (SETGRENT | GETGRENT | GETGRENT_R | + GETGRNAM_R | GETGRGID | GETGRGID_R)); + + cap_close(capgrp); + + /* + * Allow: + * cmds: setgrent, getgrent, getgrent_r, getgrnam, + * getgrgid, getgrgid_r + * fields: gr_name, gr_passwd, gr_gid, gr_mem + * groups: + * names: wheel, daemon, kmem, sys, operator + * gids: + * Disallow: + * cmds: getgrnam_r + * fields: + * groups: + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrent_r"; + cmds[3] = "getgrnam"; + cmds[4] = "getgrgid"; + cmds[5] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 6) == 0); + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrent_r"; + cmds[3] = "getgrnam"; + cmds[4] = "getgrnam_r"; + cmds[5] = "getgrgid"; + cmds[6] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 7) == -1 && errno == ENOTCAPABLE); + cmds[0] = "getgrnam_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 1) == -1 && errno == ENOTCAPABLE); + CHECK(cap_grp_limit_groups(capgrp, names, 5, NULL, 0) == 0); + + CHECK(runtest_cmds(capgrp) == (SETGRENT | GETGRENT | GETGRENT_R | + GETGRNAM | GETGRGID | GETGRGID_R)); + + cap_close(capgrp); + + /* + * Allow: + * cmds: setgrent, getgrent, getgrent_r, getgrnam, + * getgrgid, getgrgid_r + * fields: gr_name, gr_passwd, gr_gid, gr_mem + * groups: + * names: + * gids: 0, 1, 2, 3, 5 + * Disallow: + * cmds: getgrnam_r + * fields: + * groups: + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrent_r"; + cmds[3] = "getgrnam"; + cmds[4] = "getgrgid"; + cmds[5] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 6) == 0); + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrent_r"; + cmds[3] = "getgrnam"; + cmds[4] = "getgrnam_r"; + cmds[5] = "getgrgid"; + cmds[6] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 7) == -1 && errno == ENOTCAPABLE); + cmds[0] = "getgrnam_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 1) == -1 && errno == ENOTCAPABLE); + CHECK(cap_grp_limit_groups(capgrp, NULL, 0, gids, 5) == 0); + + CHECK(runtest_cmds(capgrp) == (SETGRENT | GETGRENT | GETGRENT_R | + GETGRNAM | GETGRGID | GETGRGID_R)); + + cap_close(capgrp); + + /* + * Allow: + * cmds: setgrent, getgrent, getgrent_r, getgrnam, getgrnam_r, + * getgrgid_r + * fields: gr_name, gr_passwd, gr_gid, gr_mem + * groups: + * names: wheel, daemon, kmem, sys, operator + * gids: + * Disallow: + * cmds: getgrgid + * fields: + * groups: + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrent_r"; + cmds[3] = "getgrnam"; + cmds[4] = "getgrnam_r"; + cmds[5] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 6) == 0); + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrent_r"; + cmds[3] = "getgrnam"; + cmds[4] = "getgrnam_r"; + cmds[5] = "getgrgid"; + cmds[6] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 7) == -1 && errno == ENOTCAPABLE); + cmds[0] = "getgrgid"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 1) == -1 && errno == ENOTCAPABLE); + CHECK(cap_grp_limit_fields(capgrp, fields, 4) == 0); + CHECK(cap_grp_limit_groups(capgrp, names, 5, NULL, 0) == 0); + + CHECK(runtest_cmds(capgrp) == (SETGRENT | GETGRENT | GETGRENT_R | + GETGRNAM | GETGRNAM_R | GETGRGID_R)); + + cap_close(capgrp); + + /* + * Allow: + * cmds: setgrent, getgrent, getgrent_r, getgrnam, getgrnam_r, + * getgrgid_r + * fields: gr_name, gr_passwd, gr_gid, gr_mem + * groups: + * names: + * gids: 0, 1, 2, 3, 5 + * Disallow: + * cmds: getgrgid + * fields: + * groups: + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrent_r"; + cmds[3] = "getgrnam"; + cmds[4] = "getgrnam_r"; + cmds[5] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 6) == 0); + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrent_r"; + cmds[3] = "getgrnam"; + cmds[4] = "getgrnam_r"; + cmds[5] = "getgrgid"; + cmds[6] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 7) == -1 && errno == ENOTCAPABLE); + cmds[0] = "getgrgid"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 1) == -1 && errno == ENOTCAPABLE); + CHECK(cap_grp_limit_fields(capgrp, fields, 4) == 0); + CHECK(cap_grp_limit_groups(capgrp, NULL, 0, gids, 5) == 0); + + CHECK(runtest_cmds(capgrp) == (SETGRENT | GETGRENT | GETGRENT_R | + GETGRNAM | GETGRNAM_R | GETGRGID_R)); + + cap_close(capgrp); + + /* + * Allow: + * cmds: setgrent, getgrent, getgrent_r, getgrnam, getgrnam_r, + * getgrgid + * fields: gr_name, gr_passwd, gr_gid, gr_mem + * groups: + * names: wheel, daemon, kmem, sys, operator + * gids: + * Disallow: + * cmds: getgrgid_r + * fields: + * groups: + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrent_r"; + cmds[3] = "getgrnam"; + cmds[4] = "getgrnam_r"; + cmds[5] = "getgrgid"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 6) == 0); + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrent_r"; + cmds[3] = "getgrnam"; + cmds[4] = "getgrnam_r"; + cmds[5] = "getgrgid"; + cmds[6] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 7) == -1 && errno == ENOTCAPABLE); + cmds[0] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 1) == -1 && errno == ENOTCAPABLE); + CHECK(cap_grp_limit_groups(capgrp, names, 5, NULL, 0) == 0); + + CHECK(runtest_cmds(capgrp) == (SETGRENT | GETGRENT | GETGRENT_R | + GETGRNAM | GETGRNAM_R | GETGRGID)); + + cap_close(capgrp); + + /* + * Allow: + * cmds: setgrent, getgrent, getgrent_r, getgrnam, getgrnam_r, + * getgrgid + * fields: gr_name, gr_passwd, gr_gid, gr_mem + * groups: + * names: + * gids: 0, 1, 2, 3, 5 + * Disallow: + * cmds: getgrgid_r + * fields: + * groups: + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrent_r"; + cmds[3] = "getgrnam"; + cmds[4] = "getgrnam_r"; + cmds[5] = "getgrgid"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 6) == 0); + cmds[0] = "setgrent"; + cmds[1] = "getgrent"; + cmds[2] = "getgrent_r"; + cmds[3] = "getgrnam"; + cmds[4] = "getgrnam_r"; + cmds[5] = "getgrgid"; + cmds[6] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 7) == -1 && errno == ENOTCAPABLE); + cmds[0] = "getgrgid_r"; + CHECK(cap_grp_limit_cmds(capgrp, cmds, 1) == -1 && errno == ENOTCAPABLE); + CHECK(cap_grp_limit_groups(capgrp, NULL, 0, gids, 5) == 0); + + CHECK(runtest_cmds(capgrp) == (SETGRENT | GETGRENT | GETGRENT_R | + GETGRNAM | GETGRNAM_R | GETGRGID)); + + cap_close(capgrp); +} + +#define GR_NAME 0x01 +#define GR_PASSWD 0x02 +#define GR_GID 0x04 +#define GR_MEM 0x08 + +static unsigned int +group_fields(const struct group *grp) +{ + unsigned int result; + + result = 0; + + if (grp->gr_name != NULL && grp->gr_name[0] != '\0') + result |= GR_NAME; + + if (grp->gr_passwd != NULL && grp->gr_passwd[0] != '\0') + result |= GR_PASSWD; + + if (grp->gr_gid != (gid_t)-1) + result |= GR_GID; + + if (grp->gr_mem != NULL && grp->gr_mem[0] != NULL) + result |= GR_MEM; + + return (result); +} + +static bool +runtest_fields(cap_channel_t *capgrp, unsigned int expected) +{ + char buf[1024]; + struct group *grp; + struct group st; + + (void)cap_setgrent(capgrp); + grp = cap_getgrent(capgrp); + if (group_fields(grp) != expected) + return (false); + + (void)cap_setgrent(capgrp); + cap_getgrent_r(capgrp, &st, buf, sizeof(buf), &grp); + if (group_fields(grp) != expected) + return (false); + + grp = cap_getgrnam(capgrp, "wheel"); + if (group_fields(grp) != expected) + return (false); + + cap_getgrnam_r(capgrp, "wheel", &st, buf, sizeof(buf), &grp); + if (group_fields(grp) != expected) + return (false); + + grp = cap_getgrgid(capgrp, GID_WHEEL); + if (group_fields(grp) != expected) + return (false); + + cap_getgrgid_r(capgrp, GID_WHEEL, &st, buf, sizeof(buf), &grp); + if (group_fields(grp) != expected) + return (false); + + return (true); +} + +static void +test_fields(cap_channel_t *origcapgrp) +{ + cap_channel_t *capgrp; + const char *fields[4]; + + /* No limits. */ + + CHECK(runtest_fields(origcapgrp, GR_NAME | GR_PASSWD | GR_GID | GR_MEM)); + + /* + * Allow: + * fields: gr_name, gr_passwd, gr_gid, gr_mem + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + fields[0] = "gr_name"; + fields[1] = "gr_passwd"; + fields[2] = "gr_gid"; + fields[3] = "gr_mem"; + CHECK(cap_grp_limit_fields(capgrp, fields, 4) == 0); + + CHECK(runtest_fields(capgrp, GR_NAME | GR_PASSWD | GR_GID | GR_MEM)); + + cap_close(capgrp); + + /* + * Allow: + * fields: gr_passwd, gr_gid, gr_mem + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + fields[0] = "gr_passwd"; + fields[1] = "gr_gid"; + fields[2] = "gr_mem"; + CHECK(cap_grp_limit_fields(capgrp, fields, 3) == 0); + fields[0] = "gr_name"; + fields[1] = "gr_passwd"; + fields[2] = "gr_gid"; + fields[3] = "gr_mem"; + CHECK(cap_grp_limit_fields(capgrp, fields, 4) == -1 && + errno == ENOTCAPABLE); + + CHECK(runtest_fields(capgrp, GR_PASSWD | GR_GID | GR_MEM)); + + cap_close(capgrp); + + /* + * Allow: + * fields: gr_name, gr_gid, gr_mem + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + fields[0] = "gr_name"; + fields[1] = "gr_gid"; + fields[2] = "gr_mem"; + CHECK(cap_grp_limit_fields(capgrp, fields, 3) == 0); + fields[0] = "gr_name"; + fields[1] = "gr_passwd"; + fields[2] = "gr_gid"; + fields[3] = "gr_mem"; + CHECK(cap_grp_limit_fields(capgrp, fields, 4) == -1 && + errno == ENOTCAPABLE); + fields[0] = "gr_passwd"; + CHECK(cap_grp_limit_fields(capgrp, fields, 1) == -1 && + errno == ENOTCAPABLE); + + CHECK(runtest_fields(capgrp, GR_NAME | GR_GID | GR_MEM)); + + cap_close(capgrp); + + /* + * Allow: + * fields: gr_name, gr_passwd, gr_mem + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + fields[0] = "gr_name"; + fields[1] = "gr_passwd"; + fields[2] = "gr_mem"; + CHECK(cap_grp_limit_fields(capgrp, fields, 3) == 0); + fields[0] = "gr_name"; + fields[1] = "gr_passwd"; + fields[2] = "gr_gid"; + fields[3] = "gr_mem"; + CHECK(cap_grp_limit_fields(capgrp, fields, 4) == -1 && + errno == ENOTCAPABLE); + fields[0] = "gr_gid"; + CHECK(cap_grp_limit_fields(capgrp, fields, 1) == -1 && + errno == ENOTCAPABLE); + + CHECK(runtest_fields(capgrp, GR_NAME | GR_PASSWD | GR_MEM)); + + cap_close(capgrp); + + /* + * Allow: + * fields: gr_name, gr_passwd, gr_gid + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + fields[0] = "gr_name"; + fields[1] = "gr_passwd"; + fields[2] = "gr_gid"; + CHECK(cap_grp_limit_fields(capgrp, fields, 3) == 0); + fields[0] = "gr_name"; + fields[1] = "gr_passwd"; + fields[2] = "gr_gid"; + fields[3] = "gr_mem"; + CHECK(cap_grp_limit_fields(capgrp, fields, 4) == -1 && + errno == ENOTCAPABLE); + fields[0] = "gr_mem"; + CHECK(cap_grp_limit_fields(capgrp, fields, 1) == -1 && + errno == ENOTCAPABLE); + + CHECK(runtest_fields(capgrp, GR_NAME | GR_PASSWD | GR_GID)); + + cap_close(capgrp); + + /* + * Allow: + * fields: gr_name, gr_passwd + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + fields[0] = "gr_name"; + fields[1] = "gr_passwd"; + CHECK(cap_grp_limit_fields(capgrp, fields, 2) == 0); + fields[0] = "gr_name"; + fields[1] = "gr_passwd"; + fields[2] = "gr_gid"; + fields[3] = "gr_mem"; + CHECK(cap_grp_limit_fields(capgrp, fields, 4) == -1 && + errno == ENOTCAPABLE); + fields[0] = "gr_gid"; + CHECK(cap_grp_limit_fields(capgrp, fields, 1) == -1 && + errno == ENOTCAPABLE); + + CHECK(runtest_fields(capgrp, GR_NAME | GR_PASSWD)); + + cap_close(capgrp); + + /* + * Allow: + * fields: gr_name, gr_gid + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + fields[0] = "gr_name"; + fields[1] = "gr_gid"; + CHECK(cap_grp_limit_fields(capgrp, fields, 2) == 0); + fields[0] = "gr_name"; + fields[1] = "gr_passwd"; + fields[2] = "gr_gid"; + fields[3] = "gr_mem"; + CHECK(cap_grp_limit_fields(capgrp, fields, 4) == -1 && + errno == ENOTCAPABLE); + fields[0] = "gr_mem"; + CHECK(cap_grp_limit_fields(capgrp, fields, 1) == -1 && + errno == ENOTCAPABLE); + + CHECK(runtest_fields(capgrp, GR_NAME | GR_GID)); + + cap_close(capgrp); + + /* + * Allow: + * fields: gr_name, gr_mem + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + fields[0] = "gr_name"; + fields[1] = "gr_mem"; + CHECK(cap_grp_limit_fields(capgrp, fields, 2) == 0); + fields[0] = "gr_name"; + fields[1] = "gr_passwd"; + fields[2] = "gr_gid"; + fields[3] = "gr_mem"; + CHECK(cap_grp_limit_fields(capgrp, fields, 4) == -1 && + errno == ENOTCAPABLE); + fields[0] = "gr_passwd"; + CHECK(cap_grp_limit_fields(capgrp, fields, 1) == -1 && + errno == ENOTCAPABLE); + + CHECK(runtest_fields(capgrp, GR_NAME | GR_MEM)); + + cap_close(capgrp); + + /* + * Allow: + * fields: gr_passwd, gr_gid + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + fields[0] = "gr_passwd"; + fields[1] = "gr_gid"; + CHECK(cap_grp_limit_fields(capgrp, fields, 2) == 0); + fields[0] = "gr_name"; + fields[1] = "gr_passwd"; + fields[2] = "gr_gid"; + fields[3] = "gr_mem"; + CHECK(cap_grp_limit_fields(capgrp, fields, 4) == -1 && + errno == ENOTCAPABLE); + fields[0] = "gr_mem"; + CHECK(cap_grp_limit_fields(capgrp, fields, 1) == -1 && + errno == ENOTCAPABLE); + + CHECK(runtest_fields(capgrp, GR_PASSWD | GR_GID)); + + cap_close(capgrp); + + /* + * Allow: + * fields: gr_passwd, gr_mem + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + fields[0] = "gr_passwd"; + fields[1] = "gr_mem"; + CHECK(cap_grp_limit_fields(capgrp, fields, 2) == 0); + fields[0] = "gr_name"; + fields[1] = "gr_passwd"; + fields[2] = "gr_gid"; + fields[3] = "gr_mem"; + CHECK(cap_grp_limit_fields(capgrp, fields, 4) == -1 && + errno == ENOTCAPABLE); + fields[0] = "gr_gid"; + CHECK(cap_grp_limit_fields(capgrp, fields, 1) == -1 && + errno == ENOTCAPABLE); + + CHECK(runtest_fields(capgrp, GR_PASSWD | GR_MEM)); + + cap_close(capgrp); + + /* + * Allow: + * fields: gr_gid, gr_mem + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + fields[0] = "gr_gid"; + fields[1] = "gr_mem"; + CHECK(cap_grp_limit_fields(capgrp, fields, 2) == 0); + fields[0] = "gr_name"; + fields[1] = "gr_passwd"; + fields[2] = "gr_gid"; + fields[3] = "gr_mem"; + CHECK(cap_grp_limit_fields(capgrp, fields, 4) == -1 && + errno == ENOTCAPABLE); + fields[0] = "gr_passwd"; + CHECK(cap_grp_limit_fields(capgrp, fields, 1) == -1 && + errno == ENOTCAPABLE); + + CHECK(runtest_fields(capgrp, GR_GID | GR_MEM)); + + cap_close(capgrp); +} + +static bool +runtest_groups(cap_channel_t *capgrp, const char **names, const gid_t *gids, + size_t ngroups) +{ + char buf[1024]; + struct group *grp; + struct group st; + unsigned int i, got; + + (void)cap_setgrent(capgrp); + got = 0; + for (;;) { + grp = cap_getgrent(capgrp); + if (grp == NULL) + break; + got++; + for (i = 0; i < ngroups; i++) { + if (strcmp(names[i], grp->gr_name) == 0 && + gids[i] == grp->gr_gid) { + break; + } + } + if (i == ngroups) + return (false); + } + if (got != ngroups) + return (false); + + (void)cap_setgrent(capgrp); + got = 0; + for (;;) { + cap_getgrent_r(capgrp, &st, buf, sizeof(buf), &grp); + if (grp == NULL) + break; + got++; + for (i = 0; i < ngroups; i++) { + if (strcmp(names[i], grp->gr_name) == 0 && + gids[i] == grp->gr_gid) { + break; + } + } + if (i == ngroups) + return (false); + } + if (got != ngroups) + return (false); + + for (i = 0; i < ngroups; i++) { + grp = cap_getgrnam(capgrp, names[i]); + if (grp == NULL) + return (false); + } + + for (i = 0; i < ngroups; i++) { + cap_getgrnam_r(capgrp, names[i], &st, buf, sizeof(buf), &grp); + if (grp == NULL) + return (false); + } + + for (i = 0; i < ngroups; i++) { + grp = cap_getgrgid(capgrp, gids[i]); + if (grp == NULL) + return (false); + } + + for (i = 0; i < ngroups; i++) { + cap_getgrgid_r(capgrp, gids[i], &st, buf, sizeof(buf), &grp); + if (grp == NULL) + return (false); + } + + return (true); +} + +static void +test_groups(cap_channel_t *origcapgrp) +{ + cap_channel_t *capgrp; + const char *names[5]; + gid_t gids[5]; + + /* + * Allow: + * groups: + * names: wheel, daemon, kmem, sys, tty + * gids: + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + names[0] = "wheel"; + names[1] = "daemon"; + names[2] = "kmem"; + names[3] = "sys"; + names[4] = "tty"; + CHECK(cap_grp_limit_groups(capgrp, names, 5, NULL, 0) == 0); + gids[0] = 0; + gids[1] = 1; + gids[2] = 2; + gids[3] = 3; + gids[4] = 4; + + CHECK(runtest_groups(capgrp, names, gids, 5)); + + cap_close(capgrp); + + /* + * Allow: + * groups: + * names: kmem, sys, tty + * gids: + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + names[0] = "kmem"; + names[1] = "sys"; + names[2] = "tty"; + CHECK(cap_grp_limit_groups(capgrp, names, 3, NULL, 0) == 0); + names[3] = "daemon"; + CHECK(cap_grp_limit_groups(capgrp, names, 4, NULL, 0) == -1 && + errno == ENOTCAPABLE); + names[0] = "daemon"; + CHECK(cap_grp_limit_groups(capgrp, names, 1, NULL, 0) == -1 && + errno == ENOTCAPABLE); + names[0] = "kmem"; + gids[0] = 2; + gids[1] = 3; + gids[2] = 4; + + CHECK(runtest_groups(capgrp, names, gids, 3)); + + cap_close(capgrp); + + /* + * Allow: + * groups: + * names: wheel, kmem, tty + * gids: + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + names[0] = "wheel"; + names[1] = "kmem"; + names[2] = "tty"; + CHECK(cap_grp_limit_groups(capgrp, names, 3, NULL, 0) == 0); + names[3] = "daemon"; + CHECK(cap_grp_limit_groups(capgrp, names, 4, NULL, 0) == -1 && + errno == ENOTCAPABLE); + names[0] = "daemon"; + CHECK(cap_grp_limit_groups(capgrp, names, 1, NULL, 0) == -1 && + errno == ENOTCAPABLE); + names[0] = "wheel"; + gids[0] = 0; + gids[1] = 2; + gids[2] = 4; + + CHECK(runtest_groups(capgrp, names, gids, 3)); + + cap_close(capgrp); + + /* + * Allow: + * groups: + * names: + * gids: 2, 3, 4 + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + names[0] = "kmem"; + names[1] = "sys"; + names[2] = "tty"; + gids[0] = 2; + gids[1] = 3; + gids[2] = 4; + CHECK(cap_grp_limit_groups(capgrp, NULL, 0, gids, 3) == 0); + gids[3] = 0; + CHECK(cap_grp_limit_groups(capgrp, NULL, 0, gids, 4) == -1 && + errno == ENOTCAPABLE); + gids[0] = 0; + CHECK(cap_grp_limit_groups(capgrp, NULL, 0, gids, 1) == -1 && + errno == ENOTCAPABLE); + gids[0] = 2; + + CHECK(runtest_groups(capgrp, names, gids, 3)); + + cap_close(capgrp); + + /* + * Allow: + * groups: + * names: + * gids: 0, 2, 4 + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + names[0] = "wheel"; + names[1] = "kmem"; + names[2] = "tty"; + gids[0] = 0; + gids[1] = 2; + gids[2] = 4; + CHECK(cap_grp_limit_groups(capgrp, NULL, 0, gids, 3) == 0); + gids[3] = 1; + CHECK(cap_grp_limit_groups(capgrp, NULL, 0, gids, 4) == -1 && + errno == ENOTCAPABLE); + gids[0] = 1; + CHECK(cap_grp_limit_groups(capgrp, NULL, 0, gids, 1) == -1 && + errno == ENOTCAPABLE); + gids[0] = 0; + + CHECK(runtest_groups(capgrp, names, gids, 3)); + + cap_close(capgrp); + + /* + * Allow: + * groups: + * names: kmem + * gids: + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + names[0] = "kmem"; + CHECK(cap_grp_limit_groups(capgrp, names, 1, NULL, 0) == 0); + names[1] = "daemon"; + CHECK(cap_grp_limit_groups(capgrp, names, 2, NULL, 0) == -1 && + errno == ENOTCAPABLE); + names[0] = "daemon"; + CHECK(cap_grp_limit_groups(capgrp, names, 1, NULL, 0) == -1 && + errno == ENOTCAPABLE); + names[0] = "kmem"; + gids[0] = 2; + + CHECK(runtest_groups(capgrp, names, gids, 1)); + + cap_close(capgrp); + + /* + * Allow: + * groups: + * names: wheel, tty + * gids: + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + names[0] = "wheel"; + names[1] = "tty"; + CHECK(cap_grp_limit_groups(capgrp, names, 2, NULL, 0) == 0); + names[2] = "daemon"; + CHECK(cap_grp_limit_groups(capgrp, names, 3, NULL, 0) == -1 && + errno == ENOTCAPABLE); + names[0] = "daemon"; + CHECK(cap_grp_limit_groups(capgrp, names, 1, NULL, 0) == -1 && + errno == ENOTCAPABLE); + names[0] = "wheel"; + gids[0] = 0; + gids[1] = 4; + + CHECK(runtest_groups(capgrp, names, gids, 2)); + + cap_close(capgrp); + + /* + * Allow: + * groups: + * names: + * gids: 2 + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + names[0] = "kmem"; + gids[0] = 2; + CHECK(cap_grp_limit_groups(capgrp, NULL, 0, gids, 1) == 0); + gids[1] = 1; + CHECK(cap_grp_limit_groups(capgrp, NULL, 0, gids, 2) == -1 && + errno == ENOTCAPABLE); + gids[0] = 1; + CHECK(cap_grp_limit_groups(capgrp, NULL, 0, gids, 1) == -1 && + errno == ENOTCAPABLE); + gids[0] = 2; + + CHECK(runtest_groups(capgrp, names, gids, 1)); + + cap_close(capgrp); + + /* + * Allow: + * groups: + * names: + * gids: 0, 4 + */ + capgrp = cap_clone(origcapgrp); + CHECK(capgrp != NULL); + + names[0] = "wheel"; + names[1] = "tty"; + gids[0] = 0; + gids[1] = 4; + CHECK(cap_grp_limit_groups(capgrp, NULL, 0, gids, 2) == 0); + gids[2] = 1; + CHECK(cap_grp_limit_groups(capgrp, NULL, 0, gids, 3) == -1 && + errno == ENOTCAPABLE); + gids[0] = 1; + CHECK(cap_grp_limit_groups(capgrp, NULL, 0, gids, 1) == -1 && + errno == ENOTCAPABLE); + gids[0] = 0; + + CHECK(runtest_groups(capgrp, names, gids, 2)); + + cap_close(capgrp); +} + +int +main(void) +{ + cap_channel_t *capcas, *capgrp; + + printf("1..199\n"); + fflush(stdout); + + capcas = cap_init(); + CHECKX(capcas != NULL); + + capgrp = cap_service_open(capcas, "system.grp"); + CHECKX(capgrp != NULL); + + cap_close(capcas); + + /* No limits. */ + + CHECK(runtest_cmds(capgrp) == (SETGRENT | GETGRENT | GETGRENT_R | + GETGRNAM | GETGRNAM_R | GETGRGID | GETGRGID_R)); + + test_cmds(capgrp); + + test_fields(capgrp); + + test_groups(capgrp); + + cap_close(capgrp); + + exit(0); +} |