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/* cvm/getpwnam.c - Handles getpwnam+getspnam+getuserpw combinations
* Copyright (C) 2001 Bruce Guenter <bruceg@em.ca>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <ctype.h>
#include <errno.h>
#include <pwd.h>
#include <stdlib.h>
#include <string.h>
#include "module.h"
#include "hasspnam.h"
#include "hasuserpw.h"
#ifdef HASGETSPNAM
#include <shadow.h>
static struct spwd* spw;
#endif
#ifdef HASUSERPW
#include <userpw.h>
static struct userpw* uwp;
#endif
static char* actbuf = 0;
static unsigned actlen = 0;
static const char* copyact(const char* account)
{
unsigned len;
char *ptr;
if ((len = strlen(account)) > actlen)
if ((actbuf = realloc(actbuf, actlen+1)) == 0) return 0;
for (ptr = actbuf; *account != 0; ++ptr, ++account)
*ptr = isupper(*account) ? tolower(*account) : *account;
*ptr = 0;
return actbuf;
}
int cvm_getpwnam(const char* account, struct passwd** pwp)
{
struct passwd* pw;
account = copyact(account);
if ((pw = getpwnam(account)) == 0)
return (errno == ETXTBSY) ? CVME_IO : CVME_PERMFAIL;
#ifdef HASUSERPW
if ((upw = getuserpw(account)) == 0) {
if (errno == ETXTBSY) return CVME_IO;
}
else if (upw->upw_passwd)
pw->pw_passwd = upw->upw_passwd;
#endif
#ifdef HASGETSPNAM
if ((spw = getspnam(account)) == 0) {
if (errno == ETXTBSY) return CVME_IO;
}
else if (spw->sp_pwdp)
pw->pw_passwd = spw->sp_pwdp;
#endif
*pwp = pw;
return 0;
}
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