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/*
Unix SMB/Netbios implementation.
Version 3.0
Samba utility functions
Copyright (C) Simo Sorce 2001
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
static void print_grent_list(struct sys_grent *glist)
{
DEBUG(100, ("print_grent_list: %x\n", glist ));
while (glist) {
DEBUG(100,("glist: %x ", glist));
if (glist->gr_name)
DEBUG(100,(": gr_name = (%x) %s ", glist->gr_name, glist->gr_name));
if (glist->gr_passwd)
DEBUG(100,(": gr_passwd = (%x) %s ", glist->gr_passwd, glist->gr_passwd));
if (glist->gr_mem) {
int i;
for (i = 0; glist->gr_mem[i]; i++)
DEBUG(100,(" : gr_mem[%d] = (%x) %s ", i, glist->gr_mem[i], glist->gr_mem[i]));
}
DEBUG(100,(": gr_next = %x\n", glist->next ));
glist = glist->next;
}
DEBUG(100,("FINISHED !\n\n"));
}
/****************************************************************
Returns a single linked list of group entries.
Use grent_free() to free it after use.
****************************************************************/
struct sys_grent * getgrent_list(void)
{
struct sys_grent *glist;
struct sys_grent *gent;
struct group *grp;
gent = (struct sys_grent *) malloc(sizeof(struct sys_grent));
if (gent == NULL) {
DEBUG (0, ("Out of memory in getgrent_list!\n"));
return NULL;
}
memset(gent, '\0', sizeof(struct sys_grent));
glist = gent;
setgrent();
grp = getgrent();
if (grp == NULL) {
endgrent();
free(glist);
return NULL;
}
while (grp != NULL) {
int i,num;
if (grp->gr_name) {
if ((gent->gr_name = strdup(grp->gr_name)) == NULL)
goto err;
}
if (grp->gr_passwd) {
if ((gent->gr_passwd = strdup(grp->gr_passwd)) == NULL)
goto err;
}
gent->gr_gid = grp->gr_gid;
/* number of strings in gr_mem */
for (num = 0; grp->gr_mem[num]; num++)
;
/* alloc space for gr_mem string pointers */
if ((gent->gr_mem = (char **) malloc((num+1) * sizeof(char *))) == NULL)
goto err;
memset(gent->gr_mem, '\0', (num+1) * sizeof(char *));
for (i=0; i < num; i++) {
if ((gent->gr_mem[i] = strdup(grp->gr_mem[i])) == NULL)
goto err;
}
gent->gr_mem[num] = NULL;
grp = getgrent();
if (grp) {
gent->next = (struct sys_grent *) malloc(sizeof(struct sys_grent));
if (gent->next == NULL)
goto err;
gent = gent->next;
memset(gent, '\0', sizeof(struct sys_grent));
}
}
endgrent();
print_grent_list(glist);
DEBUG(100,("getgrent_list returned %x\n", glist ));
return glist;
err:
endgrent();
DEBUG(0, ("Out of memory in getgrent_list!\n"));
grent_free(glist);
return NULL;
}
/****************************************************************
Free the single linked list of group entries made by
getgrent_list()
****************************************************************/
void grent_free (struct sys_grent *glist)
{
DEBUG(100,("getgrent_free %x\n", glist ));
while (glist) {
struct sys_grent *prev;
print_grent_list(glist);
if (glist->gr_name)
free(glist->gr_name);
if (glist->gr_passwd)
free(glist->gr_passwd);
if (glist->gr_mem) {
int i;
for (i = 0; glist->gr_mem[i]; i++)
free(glist->gr_mem[i]);
free(glist->gr_mem);
}
prev = glist;
glist = glist->next;
free(prev);
}
}
/****************************************************************
Returns a single linked list of passwd entries.
Use pwent_free() to free it after use.
****************************************************************/
struct sys_pwent * getpwent_list(void)
{
struct sys_pwent *plist;
struct sys_pwent *pent;
struct passwd *pwd;
pent = (struct sys_pwent *) malloc(sizeof(struct sys_pwent));
if (pent == NULL) {
DEBUG (0, ("Out of memory in getpwent_list!\n"));
return NULL;
}
plist = pent;
setpwent();
pwd = getpwent();
while (pwd != NULL) {
memset(pent, '\0', sizeof(struct sys_pwent));
if (pwd->pw_name) {
if ((pent->pw_name = strdup(pwd->pw_name)) == NULL)
goto err;
}
if (pwd->pw_passwd) {
if ((pent->pw_passwd = strdup(pwd->pw_passwd)) == NULL)
goto err;
}
pent->pw_uid = pwd->pw_uid;
pent->pw_gid = pwd->pw_gid;
if (pwd->pw_gecos) {
if ((pent->pw_name = strdup(pwd->pw_gecos)) == NULL)
goto err;
}
if (pwd->pw_dir) {
if ((pent->pw_name = strdup(pwd->pw_dir)) == NULL)
goto err;
}
if (pwd->pw_shell) {
if ((pent->pw_name = strdup(pwd->pw_shell)) == NULL)
goto err;
}
pwd = getpwent();
if (pwd) {
pent->next = (struct sys_pwent *) malloc(sizeof(struct sys_pwent));
if (pent->next == NULL)
goto err;
pent = pent->next;
}
}
endpwent();
return plist;
err:
endpwent();
DEBUG(0, ("Out of memory in getpwent_list!\n"));
pwent_free(plist);
return NULL;
}
/****************************************************************
Free the single linked list of passwd entries made by
getpwent_list()
****************************************************************/
void pwent_free (struct sys_pwent *plist)
{
while (plist) {
struct sys_pwent *prev;
if (plist->pw_name)
free(plist->pw_name);
if (plist->pw_passwd)
free(plist->pw_passwd);
if (plist->pw_gecos)
free(plist->pw_gecos);
if (plist->pw_dir)
free(plist->pw_dir);
if (plist->pw_shell)
free(plist->pw_shell);
prev = plist;
plist = plist->next;
free(prev);
}
}
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