SPDX: license tags (mostly by guesswork)

[exim.git] / src / src / lookups / ldap.c

diff --git a/src/src/lookups/ldap.c b/src/src/lookups/ldap.c
index b1958d2b2455c54976a4d7c84adde897431ac9b7..17c431e5c7e7d43270dff8cd81d2eeb99435268e 100644 (file)
--- a/src/src/lookups/ldap.c
+++ b/src/src/lookups/ldap.c
@@ -2,9 +2,10 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
+/* Copyright (c) The Exim Maintainers 2020 - 2022 */
 /* Copyright (c) University of Cambridge 1995 - 2018 */
-/* Copyright (c) The Exim Maintainers 2020 - 2021 */
 /* See the file NOTICE for conditions of use and distribution. */
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 /* Many thanks to Stuart Lynne for contributing the original code for this
 driver. Further contributions from Michael Haardt, Brian Candler, Barry
@@ -496,7 +497,7 @@ if (!lcp)
 
   /* Now add this connection to the chain of cached connections */
 
-  lcp = store_get(sizeof(LDAP_CONNECTION), FALSE);
+  lcp = store_get(sizeof(LDAP_CONNECTION), GET_UNTAINTED);
   lcp->host = host ? string_copy(host) : NULL;
   lcp->bound = FALSE;
   lcp->user = NULL;
@@ -1405,6 +1406,7 @@ Arguments:
   s          the string to be quoted
   opt        additional option text or NULL if none
              only "dn" is recognized
+  idx       lookup type index
 
 Returns:     the processed string or NULL for a bad option
 */
@@ -1430,18 +1432,15 @@ quote_ldap_dn, respectively. */
 
 
 static uschar *
-eldap_quote(uschar *s, uschar *opt)
+eldap_quote(uschar * s, uschar * opt, unsigned idx)
 {
-register int c;
-int count = 0;
-int len = 0;
+int c, count = 0, len = 0;
 BOOL dn = FALSE;
-uschar *t = s;
-uschar *quoted;
+uschar * t = s, * quoted;
 
 /* Test for a DN quotation. */
 
-if (opt != NULL)
+if (opt)
   {
   if (Ustrcmp(opt, "dn") != 0) return NULL;    /* No others recognized */
   dn = TRUE;
@@ -1454,24 +1453,25 @@ where, for example, < turns into %5C%3C. For simplicity, we just add 5 for each
 possibly escaped character. The really fast way would be just to test for
 non-alphanumerics, but it is probably better to spot a few others that are
 never escaped, because if there are no specials at all, we can avoid copying
-the string. */
+the string.
+XXX No longer true; we always copy, to support quoted-enforcement */
 
-while ((c = *t++) != 0)
+while ((c = *t++))
   {
   len++;
   if (!isalnum(c) && Ustrchr(ALWAYS_LITERAL, c) == NULL) count += 5;
   }
-if (count == 0) return s;
+/*if (count == 0) return s;*/
 
 /* Get sufficient store to hold the quoted string */
 
-t = quoted = store_get(len + count + 1, is_tainted(s));
+t = quoted = store_get_quoted(len + count + 1, s, idx);
 
 /* Handle plain quote_ldap */
 
 if (!dn)
   {
-  while ((c = *s++) != 0)
+  while ((c = *s++))
     {
     if (!isalnum(c))
       {
@@ -1496,7 +1496,7 @@ if (!dn)
 
 else
   {
-  uschar *ss = s + len;
+  uschar * ss = s + len;
 
   /* Find the last char before any trailing spaces */
 
@@ -1558,12 +1558,13 @@ return quoted;
 
 #include "../version.h"
 
-void
-ldap_version_report(FILE *f)
+gstring *
+ldap_version_report(gstring * g)
 {
 #ifdef DYNLOOKUP
-fprintf(f, "Library version: LDAP: Exim version %s\n", EXIM_VERSION_STR);
+g = string_fmt_append(g, "Library version: LDAP: Exim version %s\n", EXIM_VERSION_STR);
 #endif
+return g;
 }