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lookup-passwd.c
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lookup-passwd.c
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/* $Id$ */
/*
* Copyright (c) 2008 Nicholas Marriott <[email protected]>
*
* 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 THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, 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 <sys/types.h>
#include <pwd.h>
#include <unistd.h>
#include "fdm.h"
struct userdata *
passwd_lookup(const char *user)
{
struct passwd *pw;
struct userdata *ud;
uid_t uid;
const char *errstr;
if ((pw = getpwnam(user)) == NULL) {
endpwent();
uid = strtonum(user, 0, UID_MAX, &errstr);
if (errstr != NULL)
return (NULL);
if ((pw = getpwuid(uid)) == NULL) {
endpwent();
return (NULL);
}
}
ud = xmalloc(sizeof *ud);
ud->name = xstrdup(pw->pw_name);
if (pw->pw_uid == getuid())
ud->home = xstrdup(conf.user_home);
else
ud->home = xstrdup(pw->pw_dir);
ud->uid = pw->pw_uid;
ud->gid = pw->pw_gid;
endpwent();
return (ud);
}