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https://github.com/samba-team/samba.git
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c2b134cc3b
blame for the realloc() stuff.
Plus a couple of minor updates to libads.
Andrew Bartlett
(This used to be commit 34b2e558a4)
91 lines
1.9 KiB
C
91 lines
1.9 KiB
C
/*
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Unix SMB/CIFS implementation.
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ldap filter argument escaping
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Copyright (C) 1998, 1999, 2000 Luke Howard <lukeh@padl.com>,
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Copyright (C) 2003 Andrew Bartlett <abartlet@samba.org>
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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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*/
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#include "includes.h"
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/**
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* Escape a parameter to an LDAP filter string, so they cannot contain
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* embeded ( ) * or \ chars which may cause it not to parse correctly.
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*
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* @param s The input string
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*
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* @return A string allocated with malloc(), containing the escaped string,
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* and to be free()ed by the caller.
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**/
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char *escape_ldap_string_alloc(const char *s)
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{
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size_t len = strlen(s)+1;
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char *output = malloc(len);
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char *output_tmp;
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const char *sub;
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int i = 0;
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char *p = output;
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while (*s)
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{
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switch (*s)
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{
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case '*':
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sub = "\\2a";
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break;
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case '(':
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sub = "\\28";
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break;
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case ')':
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sub = "\\29";
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break;
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case '\\':
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sub = "\\5c";
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break;
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default:
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sub = NULL;
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break;
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}
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if (sub) {
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len = len + 3;
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output_tmp = realloc(output, len);
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if (!output_tmp) {
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SAFE_FREE(output);
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return NULL;
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}
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output = output_tmp;
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p = &output[i];
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strncpy (p, sub, 3);
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p += 3;
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i += 3;
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} else {
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*p = *s;
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p++;
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i++;
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}
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s++;
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}
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*p = '\0';
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return output;
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}
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