neon/neon.patch

--- src/ne_auth.c	2010-10-14 17:00:53.000000000 +0200
+++ src/ne_auth.c	2011-02-03 10:31:22.000000000 +0100
@@ -367,7 +367,7 @@
 static int get_credentials(auth_session *sess, ne_buffer **errmsg, int attempt,
                            struct auth_challenge *chall, char *pwbuf) 
 {
-    if (chall->handler->creds(chall->handler->userdata, sess->realm, 
+    if (chall->handler->creds(chall->handler->userdata, chall->protocol->name, sess->realm, 
                               chall->handler->attempt++, sess->username, pwbuf) == 0) {
         return 0;
     } else {
@@ -385,15 +385,19 @@
 {
     char *tmp, password[NE_ABUFSIZ];
 
+#if 0 /* Workaround - IIS sends challenge without realm. */
+
     /* Verify challenge... must have a realm */
     if (parms->realm == NULL) {
         challenge_error(errmsg, _("missing realm in Basic challenge"));
 	return -1;
     }
+#endif
 
     clean_session(sess);
     
-    sess->realm = ne_strdup(parms->realm);
+    if (parms->realm != NULL)
+        sess->realm = ne_strdup(parms->realm);
 
     if (get_credentials(sess, errmsg, attempt, parms, password)) {
 	/* Failed to get credentials */
@@ -610,10 +614,12 @@
         return NULL;
 }
 
-static int continue_sspi(auth_session *sess, int ntlm, const char *hdr)
+static int continue_sspi(auth_session *sess, int ntlm, const char *hdr,
+                         int attempt, struct auth_challenge *parms, ne_buffer **errmsg)
 {
     int status;
     char *response = NULL;
+    char password[NE_ABUFSIZ];
     
     NE_DEBUG(NE_DBG_HTTPAUTH, "auth: SSPI challenge.\n");
     
@@ -630,8 +636,17 @@
             return status;
         }
     }
-    
-    status = ne_sspi_authenticate(sess->sspi_context, hdr, &response);
+   
+    /* Authentification needs more than one http request.
+     * As long as authentification in progress use the existing credentials.
+     * Otherwise get new credentials.*/
+    if (!hdr)
+        if (get_credentials(sess, errmsg, attempt, parms, password)) {
+            /* Failed to get credentials */
+            return -1;
+        } 
+
+    status = ne_sspi_authenticate(sess->sspi_context, hdr, &response, sess->username, password);
     if (status) {
         return status;
     }
@@ -651,7 +666,7 @@
 {
     int ntlm = ne_strcasecmp(parms->protocol->name, "NTLM") == 0;
 
-    return continue_sspi(sess, ntlm, parms->opaque);
+    return continue_sspi(sess, ntlm, parms->opaque, attempt, parms, errmsg);
 }
 
 static int verify_sspi(struct auth_request *req, auth_session *sess,
@@ -674,7 +689,7 @@
         return NE_OK;
     }
 
-    return continue_sspi(sess, ntlm, ptr);
+    return continue_sspi(sess, ntlm, ptr, 0, NULL, NULL);
 }
 
 #endif
--- src/ne_auth.h	2009-09-01 22:13:12.000000000 +0200
+++ src/ne_auth.h	2011-02-03 10:26:20.000000000 +0100
@@ -47,8 +47,8 @@
  * Hint: if you just wish to attempt authentication just once (even if
  * the user gets the username/password wrong), have the callback
  * function use 'attempt' value as the function return value. */
-typedef int (*ne_auth_creds)(void *userdata, const char *realm, int attempt,
-			     char *username, char *password);
+typedef int (*ne_auth_creds)(void *userdata, const char * auth_protocol,
+                 const char *realm, int attempt, char *username, char *password);
 
 /* Set callbacks to provide credentials for server and proxy
  * authentication, using the default set of authentication protocols.
--- src/ne_defs.h	2010-01-11 23:57:34.000000000 +0100
+++ src/ne_defs.h	2011-02-03 10:26:20.000000000 +0100
@@ -41,7 +41,7 @@
 #endif
 
 /* define ssize_t for Win32 */
-#if defined(WIN32) && !defined(ssize_t)
+#if defined(WIN32) && !defined(ssize_t) && !defined(__MINGW32__)
 #define ssize_t int
 #endif
 
--- src/ne_locks.c	2007-02-05 11:09:27.000000000 +0100
+++ src/ne_locks.c	2011-02-03 10:26:21.000000000 +0100
@@ -579,6 +579,23 @@
         const char *token = ne_get_response_header(ctx->req, "Lock-Token");
         /* at the root element; retrieve the Lock-Token header,
          * and bail if it wasn't given. */
+#ifdef IIS_LOCK_BUG_WORKAROUND
+        /* MS IIS violates RFC 2518/4918. It does not send a Lock-Token response
+           header upon successful creation of a new lock. As a workaround, we
+           will try to pick the lock token from the response body (although
+           this is not 100% safe in case of multiple activelocks). */
+        if (token == NULL)
+	  NE_DEBUG(NE_DBG_LOCKS,
+		   "Ignoring missing LOCK response Lock-Token header\n");
+
+        if (token != NULL) {
+	  if (token[0] == '<') token++;
+	  ctx->token = ne_strdup(token);
+	  ne_shave(ctx->token, ">");
+	  NE_DEBUG(NE_DBG_LOCKS, "lk_startelm: Finding token %s\n",
+		   ctx->token);
+        }
+#else
         if (token == NULL) {
             ne_xml_set_error(ctx->parser, 
                              _("LOCK response missing Lock-Token header"));
@@ -590,12 +607,28 @@
         ne_shave(ctx->token, ">");
         NE_DEBUG(NE_DBG_LOCKS, "lk_startelm: Finding token %s\n",
                  ctx->token);
+#endif
     }
 
     /* TODO: only accept 'prop' as root for LOCK response */
     if (!can_accept(parent, id))
         return NE_XML_DECLINE;
 
+#ifdef IIS_LOCK_BUG_WORKAROUND
+    if (id == ELM_activelock && ctx->found) {
+      /* Found another activelock... */
+      const char *token = ne_get_response_header(ctx->req, "Lock-Token");
+      if (token == NULL) {
+	/* Response contains more than one activelock and no Lock-Token
+	 * response header. We are doomed. No safe workaround for IIS
+	 * lock bug possible. */
+	ne_xml_set_error(ctx->parser,
+			 _("LOCK response missing Lock-Token header and more than one activelock"));
+	return NE_XML_ABORT;
+      }
+    }
+#endif
+
     if (id == ELM_activelock && !ctx->found) {
 	/* a new activelock */
 	ne_lock_free(&ctx->active);
@@ -621,7 +654,12 @@
 	return -1;
 
     if (state == ELM_activelock) {
+#ifdef IIS_LOCK_BUG_WORKAROUND
+      if (ctx->active.token) {
+        ctx->token = ne_strdup(ctx->active.token);
+#else
 	if (ctx->active.token && strcmp(ctx->active.token, ctx->token) == 0) {
+#endif
 	    ctx->found = 1;
 	}
     }
--- src/ne_locks.h	2006-01-02 12:43:19.000000000 +0100
+++ src/ne_locks.h	2011-02-03 10:26:21.000000000 +0100
@@ -22,6 +22,10 @@
 #ifndef NE_LOCKS_H
 #define NE_LOCKS_H
 
+# if defined __GNUC__
+# pragma GCC system_header
+# endif
+
 #include "ne_request.h" /* for ne_session + ne_request */
 #include "ne_uri.h" /* for ne_uri */
 
--- src/ne_sspi.c	2007-08-10 17:26:08.000000000 +0200
+++ src/ne_sspi.c	2011-02-03 10:26:21.000000000 +0100
@@ -206,6 +206,45 @@
 }
 
 /*
+ * Simplification wrapper arround AcquireCredentialsHandle as most of
+ * the parameters do not change.
+ */
+static int acquireCredentialsHandleForUsername(CredHandle * credentials, char *package, const char *username, const char *password)
+{
+    SECURITY_STATUS status;
+    TimeStamp timestamp;
+
+	const char *domain = "";
+
+	int rc, rcISC;
+	SecPkgInfo *secPackInfo;
+	SEC_WINNT_AUTH_IDENTITY *nameAndPwd = NULL;
+	int bytesReceived = 0, bytesSent = 0;
+
+	nameAndPwd = (SEC_WINNT_AUTH_IDENTITY *) malloc( sizeof(SEC_WINNT_AUTH_IDENTITY) );
+	memset( nameAndPwd, '\0', sizeof (*nameAndPwd) );
+	nameAndPwd->Domain = (unsigned char *) _strdup( domain? domain: "" );
+	nameAndPwd->DomainLength = domain? strlen( domain ): 0;
+	nameAndPwd->User = (unsigned char *) _strdup( username? username: "" );
+	nameAndPwd->UserLength = username? strlen( username ): 0;
+	nameAndPwd->Password = (unsigned char *) _strdup( password? password: "" );
+	nameAndPwd->PasswordLength = password? strlen( password ): 0;
+	nameAndPwd->Flags = SEC_WINNT_AUTH_IDENTITY_ANSI;
+
+	status = pSFT->AcquireCredentialsHandle( NULL, package, SECPKG_CRED_OUTBOUND,
+		NULL, nameAndPwd, NULL, NULL, credentials, &timestamp );
+
+    if (status != SEC_E_OK) {
+        NE_DEBUG(NE_DBG_HTTPAUTH,
+                 "sspi: AcquireCredentialsHandle [fail] [%x].\n", status);
+        return -1;
+    }
+
+    return 0;
+}
+
+
+/*
  * Wrapper arround initializeSecurityContext.  Supplies several
  * default parameters as well as logging in case of errors.
  */
@@ -483,7 +522,7 @@
  * Processes received authentication tokens as well as supplies the
  * response token.
  */
-int ne_sspi_authenticate(void *context, const char *base64Token, char **responseToken)
+int ne_sspi_authenticate(void *context, const char *base64Token, char **responseToken, const char* username, const char* password)
 {
     SecBufferDesc outBufferDesc;
     SecBuffer outBuffer;
@@ -561,13 +600,22 @@
         /* Reset any existing context since we are starting over */
         resetContext(sspiContext);
 
-        if (acquireCredentialsHandle
-            (&sspiContext->credentials, sspiContext->mechanism) != SEC_E_OK) {
-                freeBuffer(&outBufferDesc);
-                NE_DEBUG(NE_DBG_HTTPAUTH,
-                    "sspi: acquireCredentialsHandle failed.\n");
-                return -1;
-        }
+	if (strlen(username) != 0) {
+	  if (acquireCredentialsHandleForUsername
+	        (&sspiContext->credentials, sspiContext->mechanism, username, password) != SEC_E_OK) {
+	    freeBuffer(&outBufferDesc);
+	    NE_DEBUG(NE_DBG_HTTPAUTH, "sspi: acquireCredentialsHandleForUsername failed.\n");
+	    return -1;
+	  }
+	} else {
+	  if (acquireCredentialsHandle
+	      (&sspiContext->credentials, sspiContext->mechanism) != SEC_E_OK) {
+	    freeBuffer(&outBufferDesc);
+	    NE_DEBUG(NE_DBG_HTTPAUTH, "sspi: acquireCredentialsHandle failed.\n");
+	    return -1;
+	  }
+	}
+
 
         securityStatus =
             initializeSecurityContext(&sspiContext->credentials, NULL,
--- src/ne_sspi.h	2006-02-12 13:05:14.000000000 +0100
+++ src/ne_sspi.h	2011-02-03 10:26:21.000000000 +0100
@@ -41,7 +41,7 @@
 int ne_sspi_clear_context(void *context);
 
 int ne_sspi_authenticate(void *context, const char *base64Token,
-                         char **responseToken);
+                         char **responseToken, const char* username, const char* password);
 
 #endif /* HAVE_SSPI */
 
--- src/ne_uri.c	2007-12-05 12:04:47.000000000 +0100
+++ src/ne_uri.c	2011-02-03 10:26:21.000000000 +0100
@@ -42,7 +42,7 @@
 #include "ne_alloc.h"
 #include "ne_uri.h"
 
-/* URI ABNF from RFC 3986: */
+/* URI ABNF from RFC 3986: (TKR: SharePoint is contradictory to this RFC. So I fix it here. )*/
 
 #define PS (0x0001) /* "+" */
 #define PC (0x0002) /* "%" */
@@ -67,6 +67,9 @@
 
 #define OT (0x4000) /* others */
 
+/* TKR new symbol */
+#define WS (0x8000) /* Whitespaces ( Space, Tab ) */
+
 #define URI_ALPHA (AL)
 #define URI_DIGIT (DG)
 
@@ -83,20 +86,21 @@
 /* pchar = unreserved / pct-encoded / sub-delims / ":" / "@" */
 #define URI_PCHAR (URI_UNRESERVED | PC | URI_SUBDELIM | CL | AT)
 /* invented: segchar = pchar / "/" */
-#define URI_SEGCHAR (URI_PCHAR | FS)
+/* (TKR) WS added */
+#define URI_SEGCHAR (URI_PCHAR | FS | WS)
 /* query = *( pchar / "/" / "?" ) */
 #define URI_QUERY (URI_PCHAR | FS | QU)
 /* fragment == query */
 #define URI_FRAGMENT URI_QUERY
 
 /* any characters which should be path-escaped: */
-#define URI_ESCAPE ((URI_GENDELIM & ~(FS)) | URI_SUBDELIM | OT | PC)
+#define URI_ESCAPE ((URI_GENDELIM & ~(FS)) | URI_SUBDELIM | OT | WS | PC)
 
 static const unsigned int uri_chars[256] = {
 /* 0xXX    x0      x2      x4      x6      x8      xA      xC      xE     */
-/*   0x */ OT, OT, OT, OT, OT, OT, OT, OT, OT, OT, OT, OT, OT, OT, OT, OT,
+/*   0x */ OT, OT, OT, OT, OT, OT, OT, OT, OT, WS, OT, OT, OT, OT, OT, OT,
 /*   1x */ OT, OT, OT, OT, OT, OT, OT, OT, OT, OT, OT, OT, OT, OT, OT, OT,
-/*   2x */ OT, SD, OT, GD, SD, PC, SD, SD, SD, SD, SD, PS, SD, DS, DT, FS,
+/*   2x */ WS, SD, OT, GD, SD, PC, SD, SD, SD, SD, SD, PS, SD, DS, DT, FS,
 /*   3x */ DG, DG, DG, DG, DG, DG, DG, DG, DG, DG, CL, SD, OT, SD, OT, QU,
 /*   4x */ AT, AL, AL, AL, AL, AL, AL, AL, AL, AL, AL, AL, AL, AL, AL, AL,
 /*   5x */ AL, AL, AL, AL, AL, AL, AL, AL, AL, AL, AL, GD, OT, GD, OT, US,
--- src/ne_utils.c	2006-03-07 10:36:43.000000000 +0100
+++ src/ne_utils.c	2011-02-03 10:26:21.000000000 +0100
@@ -118,6 +118,9 @@
 #ifdef HAVE_GNUTLS
     ", GNU TLS " LIBGNUTLS_VERSION
 #endif /* HAVE_GNUTLS */
+#ifdef HAVE_SSPI
+    ", SSPI"
+#endif /* HAVE_SSPI */
    "."
 ;
 
@@ -137,7 +140,7 @@
     switch (feature) {
 #if defined(NE_HAVE_SSL) || defined(NE_HAVE_ZLIB) || defined(NE_HAVE_IPV6) \
     || defined(NE_HAVE_SOCKS) || defined(NE_HAVE_LFS) \
-    || defined(NE_HAVE_TS_SSL) || defined(NE_HAVE_I18N)
+    || defined(NE_HAVE_TS_SSL) || defined(NE_HAVE_I18N) || defined(HAVE_SSPI)
 #ifdef NE_HAVE_SSL
     case NE_FEATURE_SSL:
 #endif
@@ -159,6 +162,9 @@
 #ifdef NE_HAVE_I18N
     case NE_FEATURE_I18N:
 #endif
+#ifdef HAVE_SSPI
+    case NE_FEATURE_SSPI:
+#endif
         return 1;
 #endif /* NE_HAVE_* */
     default:
--- src/ne_utils.h	2007-07-16 08:54:57.000000000 +0200
+++ src/ne_utils.h	2011-02-03 10:26:21.000000000 +0100
@@ -54,6 +54,7 @@
 #define NE_FEATURE_SOCKS (5) /* SOCKSv5 support */
 #define NE_FEATURE_TS_SSL (6) /* Thread-safe SSL/TLS support */
 #define NE_FEATURE_I18N (7) /* i18n error message support */
+#define NE_FEATURE_SSPI (8) /* NTLM/Negotiate authentication protocol via SSPI */
 
 /* Returns non-zero if library is built with support for the given
  * NE_FEATURE_* feature code 'code'. */