From 195b63f99c2fe3df4c4f73216c01fb2332e9b107 Mon Sep 17 00:00:00 2001
From: Steve Holme <steve_holme@hotmail.com>
Date: Sat, 21 Dec 2013 23:34:45 +0000
Subject: email: Extended the login options to support multiple auth mechanisms

---
 lib/pop3.c | 56 ++++++++++++++++++++++++++++++++++----------------------
 1 file changed, 34 insertions(+), 22 deletions(-)

(limited to 'lib/pop3.c')

diff --git a/lib/pop3.c b/lib/pop3.c
index 782458ada..8e5288d0c 100644
--- a/lib/pop3.c
+++ b/lib/pop3.c
@@ -1832,56 +1832,68 @@ static CURLcode pop3_parse_url_options(struct connectdata *conn)
   struct pop3_conn *pop3c = &conn->proto.pop3c;
   const char *options = conn->options;
   const char *ptr = options;
+  bool reset = TRUE;
 
-  if(options) {
+  while(*ptr) {
     const char *key = ptr;
 
     while(*ptr && *ptr != '=')
         ptr++;
 
     if(strnequal(key, "AUTH", 4)) {
-      const char *value = ptr + 1;
+      size_t len = 0;
+      const char *value = ++ptr;
 
-      if(strequal(value, "*")) {
+      if(reset) {
+        reset = FALSE;
+        pop3c->preftype = POP3_TYPE_NONE;
+        pop3c->prefmech = SASL_AUTH_NONE;
+      }
+
+      while(*ptr && *ptr != ';') {
+          ptr++;
+          len++;
+      }
+
+      if(strnequal(value, "*", len)) {
         pop3c->preftype = POP3_TYPE_ANY;
         pop3c->prefmech = SASL_AUTH_ANY;
       }
-      else if(strequal(value, "+APOP")) {
+      else if(strnequal(value, "+APOP", len)) {
         pop3c->preftype = POP3_TYPE_APOP;
         pop3c->prefmech = SASL_AUTH_NONE;
       }
-      else if(strequal(value, SASL_MECH_STRING_LOGIN)) {
+      else if(strnequal(value, SASL_MECH_STRING_LOGIN, len)) {
         pop3c->preftype = POP3_TYPE_SASL;
-        pop3c->prefmech = SASL_MECH_LOGIN;
+        pop3c->prefmech |= SASL_MECH_LOGIN;
       }
-      else if(strequal(value, SASL_MECH_STRING_PLAIN)) {
+      else if(strnequal(value, SASL_MECH_STRING_PLAIN, len)) {
         pop3c->preftype = POP3_TYPE_SASL;
-        pop3c->prefmech = SASL_MECH_PLAIN;
+        pop3c->prefmech |= SASL_MECH_PLAIN;
       }
-      else if(strequal(value, SASL_MECH_STRING_CRAM_MD5)) {
+      else if(strnequal(value, SASL_MECH_STRING_CRAM_MD5, len)) {
         pop3c->preftype = POP3_TYPE_SASL;
-        pop3c->prefmech = SASL_MECH_CRAM_MD5;
+        pop3c->prefmech |= SASL_MECH_CRAM_MD5;
       }
-      else if(strequal(value, SASL_MECH_STRING_DIGEST_MD5)) {
+      else if(strnequal(value, SASL_MECH_STRING_DIGEST_MD5, len)) {
         pop3c->preftype = POP3_TYPE_SASL;
-        pop3c->prefmech = SASL_MECH_DIGEST_MD5;
+        pop3c->prefmech |= SASL_MECH_DIGEST_MD5;
       }
-      else if(strequal(value, SASL_MECH_STRING_GSSAPI)) {
+      else if(strnequal(value, SASL_MECH_STRING_GSSAPI, len)) {
         pop3c->preftype = POP3_TYPE_SASL;
-        pop3c->prefmech = SASL_MECH_GSSAPI;
+        pop3c->prefmech |= SASL_MECH_GSSAPI;
       }
-      else if(strequal(value, SASL_MECH_STRING_NTLM)) {
+      else if(strnequal(value, SASL_MECH_STRING_NTLM, len)) {
         pop3c->preftype = POP3_TYPE_SASL;
-        pop3c->prefmech = SASL_MECH_NTLM;
+        pop3c->prefmech |= SASL_MECH_NTLM;
       }
-      else if(strequal(value, SASL_MECH_STRING_XOAUTH2)) {
+      else if(strnequal(value, SASL_MECH_STRING_XOAUTH2, len)) {
         pop3c->preftype = POP3_TYPE_SASL;
-        pop3c->prefmech = SASL_MECH_XOAUTH2;
-      }
-      else {
-        pop3c->preftype = POP3_TYPE_NONE;
-        pop3c->prefmech = SASL_AUTH_NONE;
+        pop3c->prefmech |= SASL_MECH_XOAUTH2;
       }
+
+      if(*ptr == ';')
+        ptr++;
     }
     else
       result = CURLE_URL_MALFORMAT;
-- 
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