129 lines
3.5 KiB
C
129 lines
3.5 KiB
C
/*
|
|
* Copyright (c) 2000,2002 Todd C. Miller <Todd.Miller@courtesan.com>
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND TODD C. MILLER DISCLAIMS ALL
|
|
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL TODD C. MILLER BE LIABLE
|
|
* FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
|
|
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
|
|
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
|
|
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <sys/param.h>
|
|
|
|
#if !defined(OpenBSD) || OpenBSD < 200105
|
|
|
|
#include <pwd.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "funcs.h"
|
|
#include "globals.h"
|
|
|
|
struct passwd *
|
|
pw_dup(const struct passwd *pw) {
|
|
char *cp;
|
|
size_t nsize=0, psize=0, gsize=0, dsize=0, ssize=0, total;
|
|
struct passwd *newpw;
|
|
|
|
/* Allocate in one big chunk for easy freeing */
|
|
total = sizeof(struct passwd);
|
|
if (pw->pw_name) {
|
|
nsize = strlen(pw->pw_name) + 1;
|
|
total += nsize;
|
|
}
|
|
if (pw->pw_passwd) {
|
|
psize = strlen(pw->pw_passwd) + 1;
|
|
total += psize;
|
|
}
|
|
#ifdef LOGIN_CAP
|
|
if (pw->pw_class) {
|
|
csize = strlen(pw->pw_class) + 1;
|
|
total += csize;
|
|
}
|
|
#endif /* LOGIN_CAP */
|
|
if (pw->pw_gecos) {
|
|
gsize = strlen(pw->pw_gecos) + 1;
|
|
total += gsize;
|
|
}
|
|
if (pw->pw_dir) {
|
|
dsize = strlen(pw->pw_dir) + 1;
|
|
total += dsize;
|
|
}
|
|
if (pw->pw_shell) {
|
|
ssize = strlen(pw->pw_shell) + 1;
|
|
total += ssize;
|
|
}
|
|
if ((cp = malloc(total)) == NULL)
|
|
return (NULL);
|
|
newpw = (struct passwd *)cp;
|
|
|
|
/*
|
|
* Copy in passwd contents and make strings relative to space
|
|
* at the end of the buffer.
|
|
*/
|
|
(void)memcpy(newpw, pw, sizeof(struct passwd));
|
|
cp += sizeof(struct passwd);
|
|
if (pw->pw_name) {
|
|
(void)memcpy(cp, pw->pw_name, nsize);
|
|
newpw->pw_name = cp;
|
|
cp += nsize;
|
|
}
|
|
if (pw->pw_passwd) {
|
|
(void)memcpy(cp, pw->pw_passwd, psize);
|
|
newpw->pw_passwd = cp;
|
|
cp += psize;
|
|
}
|
|
#ifdef LOGIN_CAP
|
|
if (pw->pw_class) {
|
|
(void)memcpy(cp, pw->pw_class, csize);
|
|
newpw->pw_class = cp;
|
|
cp += csize;
|
|
}
|
|
#endif /* LOGIN_CAP */
|
|
if (pw->pw_gecos) {
|
|
(void)memcpy(cp, pw->pw_gecos, gsize);
|
|
newpw->pw_gecos = cp;
|
|
cp += gsize;
|
|
}
|
|
if (pw->pw_dir) {
|
|
(void)memcpy(cp, pw->pw_dir, dsize);
|
|
newpw->pw_dir = cp;
|
|
cp += dsize;
|
|
}
|
|
if (pw->pw_shell) {
|
|
(void)memcpy(cp, pw->pw_shell, ssize);
|
|
newpw->pw_shell = cp;
|
|
cp += ssize;
|
|
}
|
|
|
|
/* cppcheck-suppress[memleak symbolName=cp] memory originally pointed to by cp returned via newpw */
|
|
return (newpw);
|
|
}
|
|
|
|
#endif /* !OpenBSD || OpenBSD < 200105 */
|