diff options
Diffstat (limited to 'usr.bin/id/pwgr.c')
| -rw-r--r-- | usr.bin/id/pwgr.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/usr.bin/id/pwgr.c b/usr.bin/id/pwgr.c new file mode 100644 index 000000000000..364f64226fbb --- /dev/null +++ b/usr.bin/id/pwgr.c @@ -0,0 +1,187 @@ +/* $NetBSD: pwgr.c,v 1.1 2012/03/17 16:33:14 jruoho Exp $ */ +/* + * Copyright (c) 2007 The NetBSD Foundation, Inc. + * All rights reserved. + * + * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. + */ + +/* + * This file implements replacements for all user/group-related functions + * called by id(1). It provides fake but deterministic user and group + * information. The details are as such: + * User root, uid 0, primary group 0 (wheel). + * User test, uid 100, primary group 100 (users), secondary group 0 (wheel). + */ + +#include <sys/types.h> + +#include <errno.h> +#include <grp.h> +#include <pwd.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> + +char Login[16]; +struct group GrEntry; +struct passwd PwEntry; + +gid_t +getgid(void) +{ + return 100; +} + +gid_t +getegid(void) +{ + if (getenv("LIBFAKE_EGID_ROOT") != NULL) + return 0; + else + return 100; +} + +uid_t +getuid(void) +{ + return 100; +} + +uid_t +geteuid(void) +{ + if (getenv("LIBFAKE_EUID_ROOT") != NULL) + return 0; + else + return 100; +} + +char * +getlogin(void) +{ + strcpy(Login, "test"); + return Login; +} + +struct group * +getgrgid(gid_t gid) +{ + struct group *g = &GrEntry; + + memset(g, 0, sizeof(*g)); + if (gid == 0) { + g->gr_name = __UNCONST("wheel"); + g->gr_gid = 0; + } else if (gid == 100) { + g->gr_name = __UNCONST("users"); + g->gr_gid = 100; + } else + g = NULL; + + return g; +} + +int +getgrouplist(const char *name, gid_t basegid, gid_t *groups, int *ngroups) +{ + int cnt, ret; + + if (strcmp(name, "root") == 0) { + if (*ngroups >= 1) { + groups[0] = basegid; + cnt = 1; + } + + ret = (*ngroups >= cnt) ? 0 : -1; + *ngroups = cnt; + } else if (strcmp(name, "test") == 0) { + if (*ngroups >= 1) { + groups[0] = basegid; + cnt = 1; + } + + if (*ngroups >= 2) { + groups[1] = 0; + cnt = 2; + } + + ret = (*ngroups >= cnt) ? 0 : -1; + *ngroups = cnt; + } else + ret = -1; + + return ret; +} + +int +getgroups(int gidsetlen, gid_t *gidset) +{ + if (gidsetlen < 2) { + errno = EINVAL; + return -1; + } + + gidset[0] = 100; + gidset[1] = 0; + return 2; +} + +struct passwd * +getpwnam(const char *login) +{ + struct passwd *p = &PwEntry; + + memset(p, 0, sizeof(*p)); + if (strcmp(login, "root") == 0) { + p->pw_name = __UNCONST("root"); + p->pw_uid = 0; + p->pw_gid = 0; + } else if (strcmp(login, "test") == 0) { + p->pw_name = __UNCONST("test"); + p->pw_uid = 100; + p->pw_gid = 100; + } else + p = NULL; + + return p; +} + +struct passwd * +getpwuid(uid_t uid) +{ + struct passwd *p = &PwEntry; + + memset(p, 0, sizeof(*p)); + if (uid == 0) { + p->pw_name = __UNCONST("root"); + p->pw_uid = 0; + p->pw_gid = 0; + } else if (uid == 100) { + p->pw_name = __UNCONST("test"); + p->pw_uid = 100; + p->pw_gid = 100; + } else + p = NULL; + + return p; +} |