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acf9d61421
functions so we can funnel through some well known functions. Should help greatly with
malloc checking.
HEAD patch to follow.
Jeremy.
(This used to be commit 620f2e608f)
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 = SMB_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 = SMB_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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