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Unix SMB/CIFS implementation.
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Safe versions of getpw* calls
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Copyright (C) Andrew Bartlett 2002
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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static struct passwd *alloc_copy_passwd(const struct passwd *from)
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struct passwd *ret = smb_xmalloc(sizeof(struct passwd));
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ret->pw_name = smb_xstrdup(from->pw_name);
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ret->pw_passwd = smb_xstrdup(from->pw_passwd);
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ret->pw_uid = from->pw_uid;
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ret->pw_gid = from->pw_gid;
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ret->pw_gecos = smb_xstrdup(from->pw_gecos);
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ret->pw_dir = smb_xstrdup(from->pw_dir);
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ret->pw_shell = smb_xstrdup(from->pw_shell);
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void passwd_free (struct passwd **buf)
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DEBUG(0, ("attempted double-free of allocated passwd\n"));
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SAFE_FREE((*buf)->pw_name);
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SAFE_FREE((*buf)->pw_passwd);
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SAFE_FREE((*buf)->pw_gecos);
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SAFE_FREE((*buf)->pw_dir);
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SAFE_FREE((*buf)->pw_shell);
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struct passwd *getpwnam_alloc(const char *name)
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temp = sys_getpwnam(name);
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if (errno == ENOMEM) {
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return alloc_copy_passwd(temp);
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struct passwd *getpwuid_alloc(uid_t uid)
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temp = sys_getpwuid(uid);
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if (errno == ENOMEM) {
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return alloc_copy_passwd(temp);