diff options
Diffstat (limited to 'usr.bin/id/id.c')
-rw-r--r-- | usr.bin/id/id.c | 351 |
1 files changed, 0 insertions, 351 deletions
diff --git a/usr.bin/id/id.c b/usr.bin/id/id.c deleted file mode 100644 index a2d6ea6..0000000 --- a/usr.bin/id/id.c +++ /dev/null @@ -1,351 +0,0 @@ -/*- - * Copyright (c) 1991, 1993 - * The Regents of the University of California. 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. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. - */ - -#ifndef lint -static char copyright[] = -"@(#) Copyright (c) 1991, 1993\n\ - The Regents of the University of California. All rights reserved.\n"; -#endif /* not lint */ - -#ifndef lint -static char sccsid[] = "@(#)id.c 8.2 (Berkeley) 2/16/94"; -#endif /* not lint */ - -#include <sys/param.h> - -#include <errno.h> -#include <grp.h> -#include <pwd.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -void current __P((void)); -void err __P((const char *, ...)); -void pretty __P((struct passwd *)); -void group __P((struct passwd *, int)); -void usage __P((void)); -void user __P((struct passwd *)); -struct passwd * - who __P((char *)); - -int -main(argc, argv) - int argc; - char *argv[]; -{ - struct group *gr; - struct passwd *pw; - int Gflag, ch, gflag, id, nflag, pflag, rflag, uflag; - - Gflag = gflag = nflag = pflag = rflag = uflag = 0; - while ((ch = getopt(argc, argv, "Ggnpru")) != EOF) - switch(ch) { - case 'G': - Gflag = 1; - break; - case 'g': - gflag = 1; - break; - case 'n': - nflag = 1; - break; - case 'p': - pflag = 1; - break; - case 'r': - rflag = 1; - break; - case 'u': - uflag = 1; - break; - case '?': - default: - usage(); - } - argc -= optind; - argv += optind; - - switch(Gflag + gflag + pflag + uflag) { - case 1: - break; - case 0: - if (!nflag && !rflag) - break; - /* FALLTHROUGH */ - default: - usage(); - } - - pw = *argv ? who(*argv) : NULL; - - if (gflag) { - id = pw ? pw->pw_gid : rflag ? getgid() : getegid(); - if (nflag && (gr = getgrgid(id))) - (void)printf("%s\n", gr->gr_name); - else - (void)printf("%u\n", id); - exit(0); - } - - if (uflag) { - id = pw ? pw->pw_uid : rflag ? getuid() : geteuid(); - if (nflag && (pw = getpwuid(id))) - (void)printf("%s\n", pw->pw_name); - else - (void)printf("%u\n", id); - exit(0); - } - - if (Gflag) { - group(pw, nflag); - exit(0); - } - - if (pflag) { - pretty(pw); - exit(0); - } - - if (pw) - user(pw); - else - current(); - exit(0); -} - -void -pretty(pw) - struct passwd *pw; -{ - struct group *gr; - u_int eid, rid; - char *login; - - if (pw) { - (void)printf("uid\t%s\n", pw->pw_name); - (void)printf("groups\t"); - group(pw, 1); - } else { - if ((login = getlogin()) == NULL) - err("getlogin: %s", strerror(errno)); - - pw = getpwuid(rid = getuid()); - if (pw == NULL || strcmp(login, pw->pw_name)) - (void)printf("login\t%s\n", login); - if (pw) - (void)printf("uid\t%s\n", pw->pw_name); - else - (void)printf("uid\t%u\n", rid); - - if ((eid = geteuid()) != rid) - if (pw = getpwuid(eid)) - (void)printf("euid\t%s", pw->pw_name); - else - (void)printf("euid\t%u", eid); - if ((rid = getgid()) != (eid = getegid())) - if (gr = getgrgid(rid)) - (void)printf("rgid\t%s\n", gr->gr_name); - else - (void)printf("rgid\t%u\n", rid); - (void)printf("groups\t"); - group(NULL, 1); - } -} - -void -current() -{ - struct group *gr; - struct passwd *pw; - int cnt, id, eid, lastid, ngroups; - gid_t groups[NGROUPS]; - char *fmt; - - id = getuid(); - (void)printf("uid=%u", id); - if (pw = getpwuid(id)) - (void)printf("(%s)", pw->pw_name); - if ((eid = geteuid()) != id) { - (void)printf(" euid=%u", eid); - if (pw = getpwuid(eid)) - (void)printf("(%s)", pw->pw_name); - } - id = getgid(); - (void)printf(" gid=%u", id); - if (gr = getgrgid(id)) - (void)printf("(%s)", gr->gr_name); - if ((eid = getegid()) != id) { - (void)printf(" egid=%u", eid); - if (gr = getgrgid(eid)) - (void)printf("(%s)", gr->gr_name); - } - if (ngroups = getgroups(NGROUPS, groups)) { - for (fmt = " groups=%u", lastid = -1, cnt = 0; cnt < ngroups; - fmt = ", %u", lastid = id) { - id = groups[cnt++]; - if (lastid == id) - continue; - (void)printf(fmt, id); - if (gr = getgrgid(id)) - (void)printf("(%s)", gr->gr_name); - } - } - (void)printf("\n"); -} - -void -user(pw) - register struct passwd *pw; -{ - register struct group *gr; - register char *fmt, **p; - int cnt, id, lastid, ngroups, groups[NGROUPS + 1]; - - id = pw->pw_uid; - (void)printf("uid=%u(%s)", id, pw->pw_name); - (void)printf(" gid=%u", pw->pw_gid); - if (gr = getgrgid(id)) - (void)printf("(%s)", gr->gr_name); - ngroups = NGROUPS + 1; - (void) getgrouplist(pw->pw_name, pw->pw_gid, groups, &ngroups); - fmt = " groups=%u"; - for (lastid = -1, cnt = 0; cnt < ngroups; ++cnt) { - if (lastid == (id = groups[cnt])) - continue; - (void)printf(fmt, id); - fmt = " %u"; - if (gr = getgrgid(id)) - (void)printf("(%s)", gr->gr_name); - lastid = id; - } - (void)printf("\n"); -} - -void -group(pw, nflag) - struct passwd *pw; - int nflag; -{ - struct group *gr; - int cnt, id, lastid, ngroups; - gid_t groups[NGROUPS + 1]; - char *fmt; - - if (pw) { - ngroups = NGROUPS + 1; - (void) getgrouplist(pw->pw_name, pw->pw_gid, groups, &ngroups); - } else { - groups[0] = getgid(); - ngroups = getgroups(NGROUPS, groups + 1) + 1; - } - fmt = nflag ? "%s" : "%u"; - for (lastid = -1, cnt = 0; cnt < ngroups; ++cnt) { - if (lastid == (id = groups[cnt])) - continue; - if (nflag) { - if (gr = getgrgid(id)) - (void)printf(fmt, gr->gr_name); - else - (void)printf(*fmt == ' ' ? " %u" : "%u", - id); - fmt = " %s"; - } else { - (void)printf(fmt, id); - fmt = " %u"; - } - lastid = id; - } - (void)printf("\n"); -} - -struct passwd * -who(u) - char *u; -{ - struct passwd *pw; - long id; - char *ep; - - /* - * Translate user argument into a pw pointer. First, try to - * get it as specified. If that fails, try it as a number. - */ - if (pw = getpwnam(u)) - return(pw); - id = strtol(u, &ep, 10); - if (*u && !*ep && (pw = getpwuid(id))) - return(pw); - err("%s: No such user", u); - /* NOTREACHED */ -} - -#if __STDC__ -#include <stdarg.h> -#else -#include <varargs.h> -#endif - -void -#if __STDC__ -err(const char *fmt, ...) -#else -err(fmt, va_alist) - char *fmt; - va_dcl -#endif -{ - va_list ap; -#if __STDC__ - va_start(ap, fmt); -#else - va_start(ap); -#endif - (void)fprintf(stderr, "id: "); - (void)vfprintf(stderr, fmt, ap); - va_end(ap); - (void)fprintf(stderr, "\n"); - exit(1); - /* NOTREACHED */ -} - -void -usage() -{ - (void)fprintf(stderr, "usage: id [user]\n"); - (void)fprintf(stderr, " id -G [-n] [user]\n"); - (void)fprintf(stderr, " id -g [-nr] [user]\n"); - (void)fprintf(stderr, " id -u [-nr] [user]\n"); - exit(1); -} |