diff options
Diffstat (limited to 'lib/libutil/passwd.c')
| -rw-r--r-- | lib/libutil/passwd.c | 118 |
1 files changed, 91 insertions, 27 deletions
diff --git a/lib/libutil/passwd.c b/lib/libutil/passwd.c index e7ed1758891..91f15e624e4 100644 --- a/lib/libutil/passwd.c +++ b/lib/libutil/passwd.c @@ -1,4 +1,5 @@ -/* $OpenBSD: passwd.c,v 1.9 1997/04/10 20:05:49 provos Exp $ */ +/* $OpenBSD: passwd.c,v 1.10 1997/06/17 10:10:42 niklas Exp $ */ + /* * Copyright (c) 1987, 1993, 1994, 1995 * The Regents of the University of California. All rights reserved. @@ -33,7 +34,7 @@ */ #if defined(LIBC_SCCS) && !defined(lint) -static char rcsid[] = "$NetBSD: passwd.c,v 1.1.4.1 1996/06/02 19:48:31 ghudson Exp $"; +static char rcsid[] = "$OpenBSD: passwd.c,v 1.10 1997/06/17 10:10:42 niklas Exp $"; #endif /* LIBC_SCCS and not lint */ #include <sys/types.h> @@ -65,6 +66,10 @@ static const char options[NUM_OPTIONS][2][80] = {"ypcipher", "old"} }; +static char pw_defdir[] = "/etc"; +static char *pw_dir = pw_defdir; +static char *pw_lck; + /* Removes trailers. */ static void remove_trailing_space(line) @@ -121,12 +126,31 @@ pw_default(option) return NULL; } -/* Retrieve password information from the /etc/passwd.conf file, +char * +pw_file(nm) + const char *nm; +{ + const char *p = strrchr(nm, '/'); + char *new_nm; + + if (p) + p++; + else + p = nm; + new_nm = malloc(strlen(pw_dir) + strlen(p) + 2); + if (!new_nm) + return NULL; + sprintf(new_nm, "%s/%s", pw_dir, p); + return new_nm; +} + + +/* + * Retrieve password information from the /etc/passwd.conf file, * at the moment this is only for choosing the cipher to use. * It could easily be used for other authentication methods as * well. */ - void pw_getconf(data, max, key, option) char *data; @@ -143,14 +167,18 @@ pw_getconf(data, max, key, option) result[0] = '\0'; - if ((fp = fopen(_PATH_PASSWDCONF, "r")) == NULL) { - if((p=(char *)pw_default(option))) { + p = pw_file(_PATH_PASSWDCONF); + if (!p || (fp = fopen(p, "r")) == NULL) { + if (p) + free(p); + if((p = (char *)pw_default(option))) { strncpy(data, p, max - 1); data[max - 1] = '\0'; } else data[0] = '\0'; return; } + free(p); while (!found && (got || read_line(fp, line, LINE_MAX))) { got = 0; @@ -193,6 +221,26 @@ pw_getconf(data, max, key, option) data[max - 1] = '\0'; } + +void +pw_setdir(dir) + const char *dir; +{ + char *p; + + if (strcmp (dir, pw_dir) == 0) + return; + if (pw_dir != pw_defdir) + free(pw_dir); + pw_dir = strdup(dir); + if (pw_lck) { + p = pw_file(pw_lck); + free(pw_lck); + pw_lck = p; + } +} + + int pw_lock(retries) int retries; @@ -200,16 +248,17 @@ pw_lock(retries) int i, fd; mode_t old_mode; + if (!pw_lck) + return (-1); /* Acquire the lock file. */ old_mode = umask(0); - fd = open(_PATH_MASTERPASSWD_LOCK, O_WRONLY|O_CREAT|O_EXCL, 0600); + fd = open(pw_lck, O_WRONLY|O_CREAT|O_EXCL, 0600); for (i = 0; i < retries && fd < 0 && errno == EEXIST; i++) { sleep(1); - fd = open(_PATH_MASTERPASSWD_LOCK, O_WRONLY|O_CREAT|O_EXCL, - 0600); + fd = open(pw_lck, O_WRONLY|O_CREAT|O_EXCL, 0600); } umask(old_mode); - return(fd); + return (fd); } int @@ -217,23 +266,25 @@ pw_mkdb() { int pstat; pid_t pid; + char *lock; pid = vfork(); if (pid == 0) { - execl(_PATH_PWD_MKDB, "pwd_mkdb", "-p", - _PATH_MASTERPASSWD_LOCK, NULL); + if (pw_lck) + execl(_PATH_PWD_MKDB, "pwd_mkdb", "-p", "-d", pw_dir, + pw_lck, NULL); _exit(1); } pid = waitpid(pid, &pstat, 0); if (pid == -1 || !WIFEXITED(pstat) || WEXITSTATUS(pstat) != 0) - return(-1); - return(0); + return (-1); + return (0); } int pw_abort() { - return(unlink(_PATH_MASTERPASSWD_LOCK)); + return (pw_lck ? unlink(pw_lck) : -1); } /* Everything below this point is intended for the convenience of programs @@ -276,6 +327,9 @@ pw_init() (void)signal(SIGQUIT, SIG_IGN); (void)signal(SIGTERM, SIG_IGN); (void)signal(SIGCONT, pw_cont); + + if (!pw_lck) + pw_lck = pw_file(_PATH_MASTERPASSWD_LOCK); } void @@ -287,8 +341,12 @@ pw_edit(notsetuid, filename) char *p, *editor; char *argp[] = {"sh", "-c", NULL, NULL}; - if (!filename) - filename = _PATH_MASTERPASSWD_LOCK; + if (!filename) { + filename = pw_lck; + if (!filename) + return; + } + if (!(editor = getenv("EDITOR"))) editor = _PATH_VI; @@ -345,18 +403,21 @@ pw_copy(ffd, tfd, pw) int ffd, tfd; struct passwd *pw; { - FILE *from, *to; - int done; - char *p, buf[8192]; + FILE *from, *to; + int done; + char *p, buf[8192]; + char *master = pw_file(_PATH_MASTERPASSWD); + if (!master) + pw_error(NULL, 0, 1); if (!(from = fdopen(ffd, "r"))) - pw_error(_PATH_MASTERPASSWD, 1, 1); + pw_error(master, 1, 1); if (!(to = fdopen(tfd, "w"))) - pw_error(_PATH_MASTERPASSWD_LOCK, 1, 1); + pw_error(pw_lck ? pw_lck : NULL, pw_lck ? 1 : 0, 1); for (done = 0; fgets(buf, sizeof(buf), from);) { if (!strchr(buf, '\n')) { - warnx("%s: line too long", _PATH_MASTERPASSWD); + warnx("%s: line too long", master); pw_error(NULL, 0, 1); } if (done) { @@ -366,7 +427,7 @@ pw_copy(ffd, tfd, pw) continue; } if (!(p = strchr(buf, ':'))) { - warnx("%s: corrupted entry", _PATH_MASTERPASSWD); + warnx("%s: corrupted entry", master); pw_error(NULL, 0, 1); } *p = '\0'; @@ -392,7 +453,8 @@ pw_copy(ffd, tfd, pw) pw->pw_dir, pw->pw_shell); if (ferror(to)) -err: pw_error(NULL, 1, 1); +err: + pw_error(NULL, 0, 1); (void)fclose(to); } @@ -492,10 +554,12 @@ pw_error(name, err, eval) const char *name; int err, eval; { + char *master = pw_file(_PATH_MASTERPASSWD); + if (err) warn(name); - - warnx("%s: unchanged", _PATH_MASTERPASSWD); + if (master) + warnx("%s: unchanged", master); pw_abort(); exit(eval); } |