From: Colm MacCarthaigh <colm@apache.org>
Date: Fri, 27 Jan 2006 00:20:28 +0000 (+0000)
Subject: Merge r103331 from trunk:
X-Git-Tag: 2.0.56~67
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=91a1e172f9fcc8f6eaaf65b090501df1afc5110d;p=thirdparty%2Fapache%2Fhttpd.git

Merge r103331 from trunk:

cleanup log_header_out function:
- no need to ask r->err_headers_out, because it's already merged with
  r->headers_out at this stage
- allow multiple headers like Set-Cookie to be logged properly

PR: 27787

Submitted by: nd


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.0.x@372669 13f79535-47bb-0310-9956-ffa450edef68
---

diff --git a/CHANGES b/CHANGES
index f3581605e59..24947a6a081 100644
--- a/CHANGES
+++ b/CHANGES
@@ -14,6 +14,9 @@ Changes with Apache 2.0.56
      ap_escape_html so we escape quotes.  Reported by JPCERT.
      [Mark Cox]
 
+  *) mod_log_config now logs all Set-Cookie headers if the %{Set-Cookie}o
+     format is used. PR 27787.  [André Malo]
+
   *) mod_cgid: Refuse to work on Solaris 10 due to OS bugs.  PR 34264.
      [Justin Erenkrantz]
 
diff --git a/STATUS b/STATUS
index b5f45dfdada..8c73ba42808 100644
--- a/STATUS
+++ b/STATUS
@@ -114,17 +114,6 @@ PATCHES ACCEPTED TO BACKPORT FROM TRUNK:
          http://svn.apache.org/viewcvs?view=rev&rev=154319
        +1: stoddard, striker, wrowe (as corrected in subsequent patches)
 
-    *) mod_log_config: Cleanup log_header_out function to allow multiple headers
-       like Set-Cookie to be logged properly. PR 27787 (2.0 + 1.3)
-         http://people.apache.org/~colm/httpd-2.0-mod_log_config.patch
-       jerenkrantz asks: Isn't this what apr_table_merge is for?
-       nd replies: yep. But cookies won't be merged, because browsers don't
-                   support it.
-       jerenkrantz: Couldn't we copy the table and merge the values somehow?
-                    This just seems like a lot of code to duplicate what we
-                    have already.  *shrug*  Regardless, patch looks okay...
-       +1: nd, jerenkrantz, colm
-
 PATCHES PROPOSED TO BACKPORT FROM TRUNK:
   [ please place SVN revisions from trunk here, so it is easy to
     identify exactly what the proposed changes are!  Add all new
diff --git a/modules/loggers/mod_log_config.c b/modules/loggers/mod_log_config.c
index a04699955f1..8187f14e923 100644
--- a/modules/loggers/mod_log_config.c
+++ b/modules/loggers/mod_log_config.c
@@ -407,16 +407,87 @@ static const char *log_header_in(request_rec *r, char *a)
     return ap_escape_logitem(r->pool, apr_table_get(r->headers_in, a));
 }
 
+static APR_INLINE char *find_multiple_headers(apr_pool_t *pool,
+                                              const apr_table_t *table,
+                                              const char *key)
+{
+    const apr_array_header_t *elts;
+    const apr_table_entry_t *t_elt;
+    const apr_table_entry_t *t_end;
+    apr_size_t len;
+    struct sle {
+        struct sle *next;
+        const char *value;
+        apr_size_t len;
+    } *result_list, *rp;
+
+    elts = apr_table_elts(table);
+
+    if (!elts->nelts) {
+        return NULL;
+    }
+
+    t_elt = (const apr_table_entry_t *)elts->elts;
+    t_end = t_elt + elts->nelts;
+    len = 1; /* \0 */
+    result_list = rp = NULL;
+
+    do {
+        if (!strcasecmp(t_elt->key, key)) {
+            if (!result_list) {
+                result_list = rp = apr_palloc(pool, sizeof(*rp));
+            }
+            else {
+                rp = rp->next = apr_palloc(pool, sizeof(*rp));
+                len += 2; /* ", " */
+            }
+
+            rp->next = NULL;
+            rp->value = t_elt->val;
+            rp->len = strlen(rp->value);
+
+            len += rp->len;
+        }
+        ++t_elt;
+    } while (t_elt < t_end);
+
+    if (result_list) {
+        char *result = apr_palloc(pool, len);
+        char *cp = result;
+
+        rp = result_list;
+        while (rp) {
+            if (rp != result_list) {
+                *cp++ = ',';
+                *cp++ = ' ';
+            }
+            memcpy(cp, rp->value, rp->len);
+            cp += rp->len;
+            rp = rp->next;
+        }
+        *cp = '\0';
+
+        return result;
+    }
+
+    return NULL;
+}
+
 static const char *log_header_out(request_rec *r, char *a)
 {
-    const char *cp = apr_table_get(r->headers_out, a);
+    const char *cp = NULL;
+
     if (!strcasecmp(a, "Content-type") && r->content_type) {
         cp = ap_field_noparam(r->pool, r->content_type);
     }
-    if (cp) {
-        return ap_escape_logitem(r->pool, cp);
+    else if (!strcasecmp(a, "Set-Cookie")) {
+        cp = find_multiple_headers(r->pool, r->headers_out, a);
     }
-    return ap_escape_logitem(r->pool, apr_table_get(r->err_headers_out, a));
+    else {
+        cp = apr_table_get(r->headers_out, a);
+    }
+
+    return ap_escape_logitem(r->pool, cp);
 }
 
 static const char *log_note(request_rec *r, char *a)