112 lines
3.0 KiB
C
112 lines
3.0 KiB
C
/*
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* Copyright (C) 2000-2007 Carsten Haitzler, Geoff Harrison and various contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies of the Software, its documentation and marketing & publicity
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* materials, and acknowledgment shall be given in the documentation, materials
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* and software packages that this Software was used.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "file.h"
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#include "user.h"
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#include "util.h"
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#include <pwd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <unistd.h>
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char *
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username(int uid)
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{
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char *s;
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static int usr_uid = -1;
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static char *usr_s = NULL;
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struct passwd *pwd;
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if (usr_uid < 0)
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usr_uid = getuid();
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if ((uid == usr_uid) && (usr_s))
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return Estrdup(usr_s);
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pwd = getpwuid(uid);
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if (pwd)
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{
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s = Estrdup(pwd->pw_name);
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if (uid == usr_uid)
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usr_s = Estrdup(s);
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return s;
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}
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return Estrdup("unknown");
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}
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char *
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homedir(int uid)
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{
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static int usr_uid = -1;
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static char *usr_s = NULL;
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char *s;
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const char *ss;
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struct passwd *pwd;
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if (usr_uid < 0)
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usr_uid = getuid();
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if ((uid == usr_uid) && (usr_s))
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{
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return Estrdup(usr_s);
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}
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pwd = getpwuid(uid);
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if (pwd)
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{
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s = Estrdup(pwd->pw_dir);
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if (uid == usr_uid)
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usr_s = Estrdup(s);
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return s;
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}
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ss = getenv("TMPDIR");
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if (!ss)
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ss = "/tmp";
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return Estrdup(ss);
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}
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char *
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usershell(int uid)
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{
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char *s;
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static int usr_uid = -1;
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static char *usr_s = NULL;
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struct passwd *pwd;
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if (usr_uid < 0)
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usr_uid = getuid();
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if ((uid == usr_uid) && (usr_s))
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return Estrdup(usr_s);
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pwd = getpwuid(uid);
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if (pwd)
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{
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if (!pwd->pw_shell)
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return Estrdup("/bin/sh");
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if (strlen(pwd->pw_shell) < 1)
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return Estrdup("/bin/sh");
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if (!(canexec(pwd->pw_shell)))
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return Estrdup("/bin/sh");
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s = Estrdup(pwd->pw_shell);
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if (uid == usr_uid)
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usr_s = Estrdup(s);
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return s;
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}
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return Estrdup("/bin/sh");
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}
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