projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 15637ed4 RG |
1 | /*- |
| 2 | * Copyright (c) 1990 The Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms, with or without | |
| 6 | * modification, are permitted provided that the following conditions | |
| 7 | * are met: | |
| 8 | * 1. Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * 3. All advertising materials mentioning features or use of this software | |
| 14 | * must display the following acknowledgement: | |
| 15 | * This product includes software developed by the University of | |
| 16 | * California, Berkeley and its contributors. | |
| 17 | * 4. Neither the name of the University nor the names of its contributors | |
| 18 | * may be used to endorse or promote products derived from this software | |
| 19 | * without specific prior written permission. | |
| 20 | * | |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 31 | * SUCH DAMAGE. | |
| 32 | */ | |
| 33 | ||
| 34 | #ifndef lint | |
| 35 | static char sccsid[] = "@(#)pw_copy.c 5.3 (Berkeley) 5/2/91"; | |
| 36 | #endif /* not lint */ | |
| 37 | ||
| 38 | /* | |
| 39 | * This module is used to copy the master password file, replacing a single | |
| 40 | * record, by chpass(1) and passwd(1). | |
| 41 | */ | |
| 42 | ||
| 43 | #include <pwd.h> | |
| 44 | #include <stdio.h> | |
| 45 | #include <string.h> | |
| 46 | ||
| 47 | extern char *progname, *tempname; | |
| 48 | ||
| 49 | pw_copy(ffd, tfd, pw) | |
| 50 | int ffd, tfd; | |
| 51 | struct passwd *pw; | |
| 52 | { | |
| 53 | register FILE *from, *to; | |
| 54 | register int done; | |
| 55 | register char *p; | |
| 56 | char buf[8192]; | |
| 57 | ||
| 58 | if (!(from = fdopen(ffd, "r"))) | |
| 59 | pw_error(_PATH_MASTERPASSWD, 1, 1); | |
| 60 | if (!(to = fdopen(tfd, "w"))) | |
| 61 | pw_error(tempname, 1, 1); | |
| 62 | ||
| 63 | for (done = 0; fgets(buf, sizeof(buf), from);) { | |
| 64 | if (!index(buf, '\n')) { | |
| 65 | (void)fprintf(stderr, "%s: %s: line too long\n", | |
| 66 | progname, _PATH_MASTERPASSWD); | |
| 67 | pw_error(NULL, 0, 1); | |
| 68 | } | |
| 69 | if (done) { | |
| 70 | (void)fprintf(to, "%s", buf); | |
| 71 | if (ferror(to)) | |
| 72 | goto err; | |
| 73 | continue; | |
| 74 | } | |
| 75 | if (!(p = index(buf, ':'))) { | |
| 76 | (void)fprintf(stderr, "%s: %s: corrupted entry\n", | |
| 77 | progname, _PATH_MASTERPASSWD); | |
| 78 | pw_error(NULL, 0, 1); | |
| 79 | } | |
| 80 | *p = '\0'; | |
| 81 | if (strcmp(buf, pw->pw_name)) { | |
| 82 | *p = ':'; | |
| 83 | (void)fprintf(to, "%s", buf); | |
| 84 | if (ferror(to)) | |
| 85 | goto err; | |
| 86 | continue; | |
| 87 | } | |
| 88 | (void)fprintf(to, "%s:%s:%d:%d:%s:%ld:%ld:%s:%s:%s\n", | |
| 89 | pw->pw_name, pw->pw_passwd, pw->pw_uid, pw->pw_gid, | |
| 90 | pw->pw_class, pw->pw_change, pw->pw_expire, pw->pw_gecos, | |
| 91 | pw->pw_dir, pw->pw_shell); | |
| 92 | done = 1; | |
| 93 | if (ferror(to)) | |
| 94 | goto err; | |
| 95 | } | |
| 96 | if (!done) | |
| 97 | (void)fprintf(to, "%s:%s:%d:%d:%s:%ld:%ld:%s:%s:%s\n", | |
| 98 | pw->pw_name, pw->pw_passwd, pw->pw_uid, pw->pw_gid, | |
| 99 | pw->pw_class, pw->pw_change, pw->pw_expire, pw->pw_gecos, | |
| 100 | pw->pw_dir, pw->pw_shell); | |
| 101 | ||
| 102 | if (ferror(to)) | |
| 103 | err: pw_error(NULL, 1, 1); | |
| 104 | (void)fclose(to); | |
| 105 | } |