From ec24efda749df7513aaf994a9ef0d2b3c72eaed7 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Tue, 7 Jan 2003 16:15:53 +0000
Subject: Simon Liu's HTTP200ALIASES-patch!

---
 include/curl/curl.h |  3 +++
 lib/transfer.c      | 38 ++++++++++++++++++++++++++++++++++++--
 lib/url.c           |  7 +++++++
 lib/urldata.h       |  2 ++
 4 files changed, 48 insertions(+), 2 deletions(-)

diff --git a/include/curl/curl.h b/include/curl/curl.h
index fdca815c4..0e0c1b100 100644
--- a/include/curl/curl.h
+++ b/include/curl/curl.h
@@ -616,6 +616,9 @@ typedef enum {
   /* Set pointer to private data */
   CINIT(PRIVATE, OBJECTPOINT, 103),
 
+  /* Set aliases for HTTP 200 in the HTTP Response header */
+  CINIT(HTTP200ALIASES, OBJECTPOINT, 104),
+
   CURLOPT_LASTENTRY /* the last unused */
 } CURLoption;
 
diff --git a/lib/transfer.c b/lib/transfer.c
index eca2cad7b..5ba6cd59c 100644
--- a/lib/transfer.c
+++ b/lib/transfer.c
@@ -162,6 +162,28 @@ static int fillbuffer(struct connectdata *conn,
   return nread;
 }
 
+/*
+ * checkhttpprefix()
+ *
+ * Returns TRUE if member of the list matches prefix of string
+ */
+static bool
+checkhttpprefix(struct SessionHandle *data,
+                const char *s)
+{
+  struct curl_slist *head = data->set.http200aliases;
+
+  while (head) {
+    if (checkprefix(head->data, s))
+      return TRUE;
+    head = head->next;
+  }
+
+  if(checkprefix("HTTP/", s))
+    return TRUE;
+
+  return FALSE;
+}
 
 CURLcode Curl_readwrite(struct connectdata *conn,
                         bool *done)
@@ -287,7 +309,7 @@ CURLcode Curl_readwrite(struct connectdata *conn,
               k->hbuflen += nread;
               if (!k->headerline && (k->hbuflen>5)) {
                 /* make a first check that this looks like a HTTP header */
-                if(!checkprefix("HTTP/", data->state.headerbuff)) {
+                if(!checkhttpprefix(data, data->state.headerbuff)) {
                   /* this is not the beginning of a HTTP first header line */
                   k->header = FALSE;
                   k->badheader = HEADER_ALLBAD;
@@ -341,7 +363,7 @@ CURLcode Curl_readwrite(struct connectdata *conn,
             if(!k->headerline) {
               /* the first read header */
               if((k->hbuflen>5) &&
-                 !checkprefix("HTTP/", data->state.headerbuff)) {
+                 !checkhttpprefix(data, data->state.headerbuff)) {
                 /* this is not the beginning of a HTTP first header line */
                 k->header = FALSE;
                 k->badheader = HEADER_PARTHEADER;
@@ -468,6 +490,18 @@ CURLcode Curl_readwrite(struct connectdata *conn,
                 */
                 nc=sscanf (k->p, " HTTP %3d", &k->httpcode);
                 k->httpversion = 10;
+               
+               /* If user has set option HTTP200ALIASES,
+                  compare header line against list of aliases
+               */
+                if (!nc) {
+                  if (checkhttpprefix(data, k->p)) {
+                    nc = 1;
+                    k->httpcode = 200;
+                    k->httpversion =
+                      (data->set.httpversion==CURL_HTTP_VERSION_1_0)? 10 : 11;
+                  }
+                }
               }
 
               if (nc) {
diff --git a/lib/url.c b/lib/url.c
index a639ebaa1..7f2aae8a5 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -1095,6 +1095,13 @@ CURLcode Curl_setopt(struct SessionHandle *data, CURLoption option, ...)
     data->set.private = va_arg(param, char *);
     break;
 
+  case CURLOPT_HTTP200ALIASES:
+    /*
+     * Set a list of aliases for HTTP 200 in response header
+     */
+    data->set.http200aliases = va_arg(param, struct curl_slist *);
+    break;
+      
   default:
     /* unknown tag and its companion, just ignore: */
     return CURLE_FAILED_INIT; /* correct this */
diff --git a/lib/urldata.h b/lib/urldata.h
index 334b0e633..cb6cbee1b 100644
--- a/lib/urldata.h
+++ b/lib/urldata.h
@@ -715,6 +715,8 @@ struct UserDefined {
   long buffer_size;      /* size of receive buffer to use */
 
   char *private; /* Private data */
+
+  struct curl_slist *http200aliases; /* linked list of aliases for http200 */
   
 /* Here follows boolean settings that define how to behave during
    this session. They are STATIC, set by libcurl users or at least initially
-- 
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