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/* cvm/client_setenv.c - CVM client standard setenv calls
* Copyright (C) 2010 Bruce Guenter <bruce@untroubled.org>
*
* 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 <bglibs/sysdeps.h>
#include "v1client.h"
static char* utoa_rec(unsigned i, char* buf)
{
if (i < 10)
*buf = i + '0';
else {
buf = utoa_rec(i / 10, buf);
*buf = (i % 10) + '0';
}
*++buf = 0;
return buf;
}
static char utoa_buf[32];
static char* utoa(unsigned i)
{
utoa_rec(i, utoa_buf);
return utoa_buf;
}
static int utoa_len(unsigned i)
{
return utoa_rec(i, utoa_buf) - utoa_buf;
}
static int set_gids(void)
{
unsigned long gid;
long len;
char* start;
char* ptr;
int result;
len = 0;
while (cvm_client_fact_uint(CVM_FACT_SUPP_GROUPID, &gid) == 0)
len += utoa_len(gid) + 1;
/* Don't set $GIDS if no supplementary group IDs were listed */
if (len == 0) return 1;
/* Reset to the start of facts list */
cvm_client_fact_uint(-1, &gid);
ptr = start = malloc(len);
while (cvm_client_fact_uint(CVM_FACT_SUPP_GROUPID, &gid) == 0) {
if (ptr > start) *ptr++ = ',';
ptr = utoa_rec(gid, ptr);
}
result = setenv("GIDS", start, 1) == 0;
free(start);
return result;
}
int cvm_client_setenv(void)
{
if (setenv("USER", cvm_fact_username, 1) != 0) return 0;
if (setenv("UID", utoa(cvm_fact_userid), 1) != 0) return 0;
if (setenv("GID", utoa(cvm_fact_groupid), 1) != 0) return 0;
if (cvm_fact_realname &&
setenv("NAME", cvm_fact_realname, 1) != 0) return 0;
if (setenv("HOME", cvm_fact_directory, 1) != 0) return 0;
if (cvm_fact_shell &&
setenv("SHELL", cvm_fact_shell, 1) != 0) return 0;
if (cvm_fact_groupname &&
setenv("GROUP", cvm_fact_groupname, 1) != 0) return 0;
if (cvm_fact_domain &&
setenv("DOMAIN", cvm_fact_domain, 1) != 0) return 0;
if (cvm_fact_mailbox &&
(setenv("MAIL", cvm_fact_mailbox, 1) != 0
|| setenv("MAILBOX", cvm_fact_mailbox, 1) != 0
|| setenv("MAILDIR", cvm_fact_mailbox, 1)))
return 0;
if (!set_gids()) return 0;
return 1;
}
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