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httpd/httpd-2.4.37-CVE-2023-25690.patch
Brian Stinson a22322be54 resync 
Signed-off-by: Brian Stinson <bstinson@redhat.com>
2023-04-27 18:17:26 -05:00

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diff --git a/docs/manual/mod/mod_rewrite.html.en b/docs/manual/mod/mod_rewrite.html.en
index 815ec72..2b8ed35 100644
--- a/docs/manual/mod/mod_rewrite.html.en
+++ b/docs/manual/mod/mod_rewrite.html.en
@@ -1265,7 +1265,17 @@ cannot use <code>$N</code> in the substitution string!
<td>B</td>
<td>Escape non-alphanumeric characters in backreferences <em>before</em>
applying the transformation. <em><a href="../rewrite/flags.html#flag_b">details ...</a></em></td>
- </tr>
+ </tr>
+<tr class="odd">
+ <td>BCTLS</td>
+ <td>Like [B], but only escape control characters and spaces.
+ <em><a href="../rewrite/flags.html#flag_bctls">details ...</a></em></td>
+</tr>
+ <tr>
+ <td>BNE</td>
+ <td>Characters of [B] or [BCTLS] which should <strong>not</strong> be escaped.
+ <em><a href="../rewrite/flags.html#flag_bne">details ...</a></em></td>
+ </tr>
<tr class="odd">
<td>backrefnoplus|BNP</td>
<td>If backreferences are being escaped, spaces should be escaped to
diff --git a/docs/manual/rewrite/flags.html.en b/docs/manual/rewrite/flags.html.en
index 80d0759..734809a 100644
--- a/docs/manual/rewrite/flags.html.en
+++ b/docs/manual/rewrite/flags.html.en
@@ -85,10 +85,6 @@ of how you might use them.</p>
<h2><a name="flag_b" id="flag_b">B (escape backreferences)</a></h2>
<p>The [B] flag instructs <code class="directive"><a href="../mod/mod_rewrite.html#rewriterule">RewriteRule</a></code> to escape non-alphanumeric
characters before applying the transformation.</p>
-<p>In 2.4.26 and later, you can limit the escaping to specific characters
-in backreferences by listing them: <code>[B=#?;]</code>. Note: The space
-character can be used in the list of characters to escape, but it cannot be
-the last character in the list.</p>
<p><code>mod_rewrite</code> has to unescape URLs before mapping them,
so backreferences are unescaped at the time they are applied.
@@ -120,6 +116,20 @@ when the backend may break if presented with an unescaped URL.</p>
<p>An alternative to this flag is using a <code class="directive"><a href="../mod/mod_rewrite.html#rewritecond">RewriteCond</a></code> to capture against %{THE_REQUEST} which will capture
strings in the encoded form.</p>
+
+<p>In 2.4.26 and later, you can limit the escaping to specific characters
+in backreferences by listing them: <code>[B=#?;]</code>. Note: The space
+character can be used in the list of characters to escape, but you must quote
+the entire third argument of <code class="directive"><a href="../mod/mod_rewrite.html#rewriterule">RewriteRule</a></code>
+and the space must not be the last character in the list.</p>
+
+<pre class="prettyprint lang-config"># Escape spaces and question marks. The quotes around the final argument
+# are required when a space is included.
+RewriteRule "^search/(.*)$" "/search.php?term=$1" "[B= ?]"</pre>
+
+<p>To limit the characters escaped this way, see <a href="#flag_bne">#flag_bne</a>
+and <a href="#flag_bctls">#flag_bctls</a></p>
+
</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="section">
<h2><a name="flag_bnp" id="flag_bnp">BNP|backrefnoplus (don't escape space to +)</a></h2>
diff --git a/modules/mappers/mod_rewrite.c b/modules/mappers/mod_rewrite.c
index 38dbb24..b71c67c 100644
--- a/modules/mappers/mod_rewrite.c
+++ b/modules/mappers/mod_rewrite.c
@@ -101,6 +101,8 @@
#include "mod_rewrite.h"
#include "ap_expr.h"
+#include "test_char.h"
+
static ap_dbd_t *(*dbd_acquire)(request_rec*) = NULL;
static void (*dbd_prepare)(server_rec*, const char*, const char*) = NULL;
static const char* really_last_key = "rewrite_really_last";
@@ -168,6 +170,8 @@ static const char* really_last_key = "rewrite_really_last";
#define RULEFLAG_END (1<<17)
#define RULEFLAG_ESCAPENOPLUS (1<<18)
#define RULEFLAG_QSLAST (1<<19)
+#define RULEFLAG_QSNONE (1<<20) /* programattic only */
+#define RULEFLAG_ESCAPECTLS (1<<21)
/* return code of the rewrite rule
* the result may be escaped - or not
@@ -321,7 +325,8 @@ typedef struct {
data_item *cookie; /* added cookies */
int skip; /* number of next rules to skip */
int maxrounds; /* limit on number of loops with N flag */
- char *escapes; /* specific backref escapes */
+ const char *escapes; /* specific backref escapes */
+ const char *noescapes; /* specific backref chars not to escape */
} rewriterule_entry;
typedef struct {
@@ -422,7 +427,9 @@ static const char *rewritemap_mutex_type = "rewrite-map";
/* Optional functions imported from mod_ssl when loaded: */
static APR_OPTIONAL_FN_TYPE(ssl_var_lookup) *rewrite_ssl_lookup = NULL;
static APR_OPTIONAL_FN_TYPE(ssl_is_https) *rewrite_is_https = NULL;
-static char *escape_backref(apr_pool_t *p, const char *path, const char *escapeme, int noplus);
+static char *escape_backref(apr_pool_t *p, const char *path,
+ const char *escapeme, const char *noescapeme,
+ int flags);
/*
* +-------------------------------------------------------+
@@ -645,18 +652,26 @@ static APR_INLINE unsigned char *c2x(unsigned what, unsigned char prefix,
return where;
}
+
/*
* Escapes a backreference in a similar way as php's urlencode does.
* Based on ap_os_escape_path in server/util.c
*/
-static char *escape_backref(apr_pool_t *p, const char *path, const char *escapeme, int noplus) {
- char *copy = apr_palloc(p, 3 * strlen(path) + 3);
+static char *escape_backref(apr_pool_t *p, const char *path,
+ const char *escapeme, const char *noescapeme,
+ int flags)
+{
+ char *copy = apr_palloc(p, 3 * strlen(path) + 1);
const unsigned char *s = (const unsigned char *)path;
unsigned char *d = (unsigned char *)copy;
- unsigned c;
+ int noplus = (flags & RULEFLAG_ESCAPENOPLUS) != 0;
+ int ctls = (flags & RULEFLAG_ESCAPECTLS) != 0;
+ unsigned char c;
while ((c = *s)) {
- if (!escapeme) {
+ if (((ctls ? !TEST_CHAR(c, T_VCHAR_OBSTEXT) : !escapeme)
+ || (escapeme && ap_strchr_c(escapeme, c)))
+ && (!noescapeme || !ap_strchr_c(noescapeme, c))) {
if (apr_isalnum(c) || c == '_') {
*d++ = c;
}
@@ -667,23 +682,8 @@ static char *escape_backref(apr_pool_t *p, const char *path, const char *escapem
d = c2x(c, '%', d);
}
}
- else {
- const char *esc = escapeme;
- while (*esc) {
- if (c == *esc) {
- if (c == ' ' && !noplus) {
- *d++ = '+';
- }
- else {
- d = c2x(c, '%', d);
- }
- break;
- }
- ++esc;
- }
- if (!*esc) {
- *d++ = c;
- }
+ else {
+ *d++ = c;
}
++s;
}
@@ -761,15 +761,24 @@ static char *escape_absolute_uri(apr_pool_t *p, char *uri, unsigned scheme)
ap_escape_uri(p, cp), NULL);
}
+
/*
* split out a QUERY_STRING part from
* the current URI string
*/
-static void splitout_queryargs(request_rec *r, int qsappend, int qsdiscard,
- int qslast)
+static void splitout_queryargs(request_rec *r, int flags)
{
char *q;
int split;
+ int qsappend = flags & RULEFLAG_QSAPPEND;
+ int qsdiscard = flags & RULEFLAG_QSDISCARD;
+ int qslast = flags & RULEFLAG_QSLAST;
+
+ if (flags & RULEFLAG_QSNONE) {
+ rewritelog((r, 2, NULL, "discarding query string, no parse from substitution"));
+ r->args = NULL;
+ return;
+ }
/* don't touch, unless it's a scheme for which a query string makes sense.
* See RFC 1738 and RFC 2368.
@@ -794,7 +803,7 @@ static void splitout_queryargs(request_rec *r, int qsappend, int qsdiscard,
olduri = apr_pstrdup(r->pool, r->filename);
*q++ = '\0';
if (qsappend) {
- if (*q) {
+ if (*q) {
r->args = apr_pstrcat(r->pool, q, "&" , r->args, NULL);
}
}
@@ -802,9 +811,9 @@ static void splitout_queryargs(request_rec *r, int qsappend, int qsdiscard,
r->args = apr_pstrdup(r->pool, q);
}
- if (r->args) {
+ if (r->args) {
len = strlen(r->args);
-
+
if (!len) {
r->args = NULL;
}
@@ -2436,7 +2445,8 @@ static char *do_expand(char *input, rewrite_ctx *ctx, rewriterule_entry *entry)
/* escape the backreference */
char *tmp2, *tmp;
tmp = apr_pstrmemdup(pool, bri->source + bri->regmatch[n].rm_so, span);
- tmp2 = escape_backref(pool, tmp, entry->escapes, entry->flags & RULEFLAG_ESCAPENOPLUS);
+ tmp2 = escape_backref(pool, tmp, entry->escapes, entry->noescapes,
+ entry->flags);
rewritelog((ctx->r, 5, ctx->perdir, "escaping backreference '%s' to '%s'",
tmp, tmp2));
@@ -2733,7 +2743,7 @@ static apr_status_t rewritelock_remove(void *data)
* XXX: what an inclined parser. Seems we have to leave it so
* for backwards compat. *sigh*
*/
-static int parseargline(char *str, char **a1, char **a2, char **a3)
+static int parseargline(char *str, char **a1, char **a2, char **a2_end, char **a3)
{
char quote;
@@ -2784,8 +2794,10 @@ static int parseargline(char *str, char **a1, char **a2, char **a3)
if (!*str) {
*a3 = NULL; /* 3rd argument is optional */
+ *a2_end = str;
return 0;
}
+ *a2_end = str;
*str++ = '\0';
while (apr_isspace(*str)) {
@@ -3323,7 +3335,7 @@ static const char *cmd_rewritecond(cmd_parms *cmd, void *in_dconf,
rewrite_server_conf *sconf;
rewritecond_entry *newcond;
ap_regex_t *regexp;
- char *a1 = NULL, *a2 = NULL, *a3 = NULL;
+ char *a1 = NULL, *a2 = NULL, *a2_end, *a3 = NULL;
const char *err;
sconf = ap_get_module_config(cmd->server->module_config, &rewrite_module);
@@ -3341,7 +3353,7 @@ static const char *cmd_rewritecond(cmd_parms *cmd, void *in_dconf,
* of the argument line. So we can use a1 .. a3 without
* copying them again.
*/
- if (parseargline(str, &a1, &a2, &a3)) {
+ if (parseargline(str, &a1, &a2, &a2_end, &a3)) {
return apr_pstrcat(cmd->pool, "RewriteCond: bad argument line '", str,
"'", NULL);
}
@@ -3500,13 +3512,24 @@ static const char *cmd_rewriterule_setflag(apr_pool_t *p, void *_cfg,
case 'B':
if (!*key || !strcasecmp(key, "ackrefescaping")) {
cfg->flags |= RULEFLAG_ESCAPEBACKREF;
- if (val && *val) {
+ if (val && *val) {
cfg->escapes = val;
}
}
+ else if (!strcasecmp(key, "NE")) {
+ if (val && *val) {
+ cfg->noescapes = val;
+ }
+ else {
+ return "flag 'BNE' wants a list of characters (i.e. [BNE=...])";
+ }
+ }
else if (!strcasecmp(key, "NP") || !strcasecmp(key, "ackrefernoplus")) {
cfg->flags |= RULEFLAG_ESCAPENOPLUS;
}
+ else if (!strcasecmp(key, "CTLS")) {
+ cfg->flags |= RULEFLAG_ESCAPECTLS|RULEFLAG_ESCAPEBACKREF;
+ }
else {
++error;
}
@@ -3749,7 +3772,7 @@ static const char *cmd_rewriterule(cmd_parms *cmd, void *in_dconf,
rewrite_server_conf *sconf;
rewriterule_entry *newrule;
ap_regex_t *regexp;
- char *a1 = NULL, *a2 = NULL, *a3 = NULL;
+ char *a1 = NULL, *a2 = NULL, *a2_end, *a3 = NULL;
const char *err;
sconf = ap_get_module_config(cmd->server->module_config, &rewrite_module);
@@ -3763,12 +3786,11 @@ static const char *cmd_rewriterule(cmd_parms *cmd, void *in_dconf,
}
/* parse the argument line ourself */
- if (parseargline(str, &a1, &a2, &a3)) {
+ if (parseargline(str, &a1, &a2, &a2_end, &a3)) {
return apr_pstrcat(cmd->pool, "RewriteRule: bad argument line '", str,
"'", NULL);
}
- /* arg3: optional flags field */
newrule->forced_mimetype = NULL;
newrule->forced_handler = NULL;
newrule->forced_responsecode = HTTP_MOVED_TEMPORARILY;
@@ -3777,6 +3799,9 @@ static const char *cmd_rewriterule(cmd_parms *cmd, void *in_dconf,
newrule->cookie = NULL;
newrule->skip = 0;
newrule->maxrounds = REWRITE_MAX_ROUNDS;
+ newrule->escapes = newrule->noescapes = NULL;
+
+ /* arg3: optional flags field */
if (a3 != NULL) {
if ((err = cmd_parseflagfield(cmd->pool, newrule, a3,
cmd_rewriterule_setflag)) != NULL) {
@@ -3810,6 +3835,17 @@ static const char *cmd_rewriterule(cmd_parms *cmd, void *in_dconf,
newrule->flags |= RULEFLAG_NOSUB;
}
+ if (*(a2_end-1) == '?') {
+ /* a literal ? at the end of the unsubstituted rewrite rule */
+ newrule->flags |= RULEFLAG_QSNONE;
+ *(a2_end-1) = '\0'; /* trailing ? has done its job */
+ }
+ else if (newrule->flags & RULEFLAG_QSDISCARD) {
+ if (NULL == ap_strchr(newrule->output, '?')) {
+ newrule->flags |= RULEFLAG_QSNONE;
+ }
+ }
+
/* now, if the server or per-dir config holds an
* array of RewriteCond entries, we take it for us
* and clear the array
@@ -4215,9 +4251,7 @@ static int apply_rewrite_rule(rewriterule_entry *p, rewrite_ctx *ctx)
r->path_info = NULL;
}
- splitout_queryargs(r, p->flags & RULEFLAG_QSAPPEND,
- p->flags & RULEFLAG_QSDISCARD,
- p->flags & RULEFLAG_QSLAST);
+ splitout_queryargs(r, p->flags);
/* Add the previously stripped per-directory location prefix, unless
* (1) it's an absolute URL path and
@@ -4696,8 +4730,25 @@ static int hook_uri2file(request_rec *r)
}
if (rulestatus) {
- unsigned skip;
- apr_size_t flen;
+ unsigned skip_absolute = is_absolute_uri(r->filename, NULL);
+ apr_size_t flen = r->filename ? strlen(r->filename) : 0;
+ int to_proxyreq = (flen > 6 && strncmp(r->filename, "proxy:", 6) == 0);
+ int will_escape = skip_absolute && (rulestatus != ACTION_NOESCAPE);
+
+ if (r->args
+ && !will_escape
+ && *(ap_scan_vchar_obstext(r->args))) {
+ /*
+ * We have a raw control character or a ' ' in r->args.
+ * Correct encoding was missed.
+ * Correct encoding was missed and we're not going to escape
+ * it before returning.
+ */
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(10410)
+ "Rewritten query string contains control "
+ "characters or spaces");
+ return HTTP_FORBIDDEN;
+ }
if (ACTION_STATUS == rulestatus) {
int n = r->status;
@@ -4706,8 +4757,7 @@ static int hook_uri2file(request_rec *r)
return n;
}
- flen = r->filename ? strlen(r->filename) : 0;
- if (flen > 6 && strncmp(r->filename, "proxy:", 6) == 0) {
+ if (to_proxyreq) {
/* it should be go on as an internal proxy request */
/* check if the proxy module is enabled, so
@@ -4749,7 +4799,7 @@ static int hook_uri2file(request_rec *r)
r->filename));
return OK;
}
- else if ((skip = is_absolute_uri(r->filename, NULL)) > 0) {
+ else if (skip_absolute > 0) {
int n;
/* it was finally rewritten to a remote URL */
@@ -4757,7 +4807,7 @@ static int hook_uri2file(request_rec *r)
if (rulestatus != ACTION_NOESCAPE) {
rewritelog((r, 1, NULL, "escaping %s for redirect",
r->filename));
- r->filename = escape_absolute_uri(r->pool, r->filename, skip);
+ r->filename = escape_absolute_uri(r->pool, r->filename, skip_absolute);
}
/* append the QUERY_STRING part */
@@ -4981,7 +5031,26 @@ static int hook_fixup(request_rec *r)
*/
rulestatus = apply_rewrite_list(r, dconf->rewriterules, dconf->directory);
if (rulestatus) {
- unsigned skip;
+ unsigned skip_absolute = is_absolute_uri(r->filename, NULL);
+ int to_proxyreq = 0;
+ int will_escape = 0;
+
+ l = strlen(r->filename);
+ to_proxyreq = l > 6 && strncmp(r->filename, "proxy:", 6) == 0;
+ will_escape = skip_absolute && (rulestatus != ACTION_NOESCAPE);
+
+ if (r->args
+ && !will_escape
+ && *(ap_scan_vchar_obstext(r->args))) {
+ /*
+ * We have a raw control character or a ' ' in r->args.
+ * Correct encoding was missed.
+ */
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(10411)
+ "Rewritten query string contains control "
+ "characters or spaces");
+ return HTTP_FORBIDDEN;
+ }
if (ACTION_STATUS == rulestatus) {
int n = r->status;
@@ -4990,8 +5059,7 @@ static int hook_fixup(request_rec *r)
return n;
}
- l = strlen(r->filename);
- if (l > 6 && strncmp(r->filename, "proxy:", 6) == 0) {
+ if (to_proxyreq) {
/* it should go on as an internal proxy request */
/* make sure the QUERY_STRING and
@@ -5015,7 +5083,7 @@ static int hook_fixup(request_rec *r)
"%s [OK]", r->filename));
return OK;
}
- else if ((skip = is_absolute_uri(r->filename, NULL)) > 0) {
+ else if (skip_absolute > 0) {
/* it was finally rewritten to a remote URL */
/* because we are in a per-dir context
@@ -5024,7 +5092,7 @@ static int hook_fixup(request_rec *r)
*/
if (dconf->baseurl != NULL) {
/* skip 'scheme://' */
- cp = r->filename + skip;
+ cp = r->filename + skip_absolute;
if ((cp = ap_strchr(cp, '/')) != NULL && *(++cp)) {
rewritelog((r, 2, dconf->directory,
@@ -5069,7 +5137,7 @@ static int hook_fixup(request_rec *r)
if (rulestatus != ACTION_NOESCAPE) {
rewritelog((r, 1, dconf->directory, "escaping %s for redirect",
r->filename));
- r->filename = escape_absolute_uri(r->pool, r->filename, skip);
+ r->filename = escape_absolute_uri(r->pool, r->filename, skip_absolute);
}
/* append the QUERY_STRING part */
diff --git a/modules/proxy/mod_proxy_ajp.c b/modules/proxy/mod_proxy_ajp.c
index cbb0872..873ccf1 100644
--- a/modules/proxy/mod_proxy_ajp.c
+++ b/modules/proxy/mod_proxy_ajp.c
@@ -69,6 +69,16 @@ static int proxy_ajp_canon(request_rec *r, char *url)
path = ap_proxy_canonenc(r->pool, url, strlen(url), enc_path, 0,
r->proxyreq);
search = r->args;
+ if (search && *(ap_scan_vchar_obstext(search))) {
+ /*
+ * We have a raw control character or a ' ' in r->args.
+ * Correct encoding was missed.
+ */
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(10406)
+ "To be forwarded query string contains control "
+ "characters or spaces");
+ return HTTP_FORBIDDEN;
+ }
}
if (path == NULL)
return HTTP_BAD_REQUEST;
diff --git a/modules/proxy/mod_proxy_balancer.c b/modules/proxy/mod_proxy_balancer.c
index 3a28038..c599e1a 100644
--- a/modules/proxy/mod_proxy_balancer.c
+++ b/modules/proxy/mod_proxy_balancer.c
@@ -106,6 +106,16 @@ static int proxy_balancer_canon(request_rec *r, char *url)
path = ap_proxy_canonenc(r->pool, url, strlen(url), enc_path, 0,
r->proxyreq);
search = r->args;
+ if (search && *(ap_scan_vchar_obstext(search))) {
+ /*
+ * We have a raw control character or a ' ' in r->args.
+ * Correct encoding was missed.
+ */
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(10407)
+ "To be forwarded query string contains control "
+ "characters or spaces");
+ return HTTP_FORBIDDEN;
+ }
}
if (path == NULL)
return HTTP_BAD_REQUEST;
diff --git a/modules/proxy/mod_proxy_http.c b/modules/proxy/mod_proxy_http.c
index 7573638..fe7b322 100644
--- a/modules/proxy/mod_proxy_http.c
+++ b/modules/proxy/mod_proxy_http.c
@@ -90,6 +90,16 @@ static int proxy_http_canon(request_rec *r, char *url)
path = ap_proxy_canonenc(r->pool, url, strlen(url),
enc_path, 0, r->proxyreq);
search = r->args;
+ if (search && *(ap_scan_vchar_obstext(search))) {
+ /*
+ * We have a raw control character or a ' ' in r->args.
+ * Correct encoding was missed.
+ */
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(10408)
+ "To be forwarded query string contains control "
+ "characters or spaces");
+ return HTTP_FORBIDDEN;
+ }
}
break;
case PROXYREQ_PROXY:
diff --git a/modules/proxy/mod_proxy_wstunnel.c b/modules/proxy/mod_proxy_wstunnel.c
index e005a94..f5e27d9 100644
--- a/modules/proxy/mod_proxy_wstunnel.c
+++ b/modules/proxy/mod_proxy_wstunnel.c
@@ -77,6 +77,16 @@ static int proxy_wstunnel_canon(request_rec *r, char *url)
path = ap_proxy_canonenc(r->pool, url, strlen(url), enc_path, 0,
r->proxyreq);
search = r->args;
+ if (search && *(ap_scan_vchar_obstext(search))) {
+ /*
+ * We have a raw control character or a ' ' in r->args.
+ * Correct encoding was missed.
+ */
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(10409)
+ "To be forwarded query string contains control "
+ "characters or spaces");
+ return HTTP_FORBIDDEN;
+ }
}
if (path == NULL)
return HTTP_BAD_REQUEST;
diff --git a/server/gen_test_char.c b/server/gen_test_char.c
index 48ae6f4..6a153a3 100644
--- a/server/gen_test_char.c
+++ b/server/gen_test_char.c
@@ -169,5 +169,15 @@ int main(int argc, char *argv[])
printf("\n};\n");
+
+ printf(
+ "/* we assume the folks using this ensure 0 <= c < 256... which means\n"
+ " * you need a cast to (unsigned char) first, you can't just plug a\n"
+ " * char in here and get it to work, because if char is signed then it\n"
+ " * will first be sign extended.\n"
+ " */\n"
+ "#define TEST_CHAR(c, f) (test_char_table[(unsigned char)(c)] & (f))\n"
+ );
+
return 0;
}
diff --git a/server/util.c b/server/util.c
index 45051b7..9d897d4 100644
--- a/server/util.c
+++ b/server/util.c
@@ -74,13 +74,6 @@
*/
#include "test_char.h"
-/* we assume the folks using this ensure 0 <= c < 256... which means
- * you need a cast to (unsigned char) first, you can't just plug a
- * char in here and get it to work, because if char is signed then it
- * will first be sign extended.
- */
-#define TEST_CHAR(c, f) (test_char_table[(unsigned char)(c)] & (f))
-
/* Win32/NetWare/OS2 need to check for both forward and back slashes
* in ap_getparents() and ap_escape_url.
*/
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