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authorSteve Holme <steve_holme@hotmail.com>2015-09-12 12:27:38 +0100
committerSteve Holme <steve_holme@hotmail.com>2016-03-25 12:05:23 +0000
commit6101e358197309648aeb78ca6f2d2699c89033f2 (patch)
tree273ae62d3cb96b58b02e0eedccb902e64cf9fbea /lib/vauth
parent685fee3828b0b22f5a3ca9c8debd92dfecec751f (diff)
vauth: Moved the ClearText authentication code to the new vauth directory
Diffstat (limited to 'lib/vauth')
-rw-r--r--lib/vauth/cleartext.c157
-rw-r--r--lib/vauth/vauth.h18
2 files changed, 175 insertions, 0 deletions
diff --git a/lib/vauth/cleartext.c b/lib/vauth/cleartext.c
new file mode 100644
index 000000000..236b5a9bb
--- /dev/null
+++ b/lib/vauth/cleartext.c
@@ -0,0 +1,157 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * RFC4616 PLAIN authentication
+ * Draft LOGIN SASL Mechanism <draft-murchison-sasl-login-00.txt>
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+#include "urldata.h"
+
+#include "vauth/vauth.h"
+#include "curl_base64.h"
+#include "curl_md5.h"
+#include "warnless.h"
+#include "strtok.h"
+#include "strequal.h"
+#include "rawstr.h"
+#include "sendf.h"
+#include "curl_printf.h"
+
+/* The last #include files should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/*
+ * sasl_create_plain_message()
+ *
+ * This is used to generate an already encoded PLAIN message ready
+ * for sending to the recipient.
+ *
+ * Parameters:
+ *
+ * data [in] - The session handle.
+ * userp [in] - The user name.
+ * passdwp [in] - The user's password.
+ * outptr [in/out] - The address where a pointer to newly allocated memory
+ * holding the result will be stored upon completion.
+ * outlen [out] - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode sasl_create_plain_message(struct SessionHandle *data,
+ const char *userp,
+ const char *passwdp,
+ char **outptr, size_t *outlen)
+{
+ CURLcode result;
+ char *plainauth;
+ size_t ulen;
+ size_t plen;
+
+ ulen = strlen(userp);
+ plen = strlen(passwdp);
+
+ plainauth = malloc(2 * ulen + plen + 2);
+ if(!plainauth) {
+ *outlen = 0;
+ *outptr = NULL;
+ return CURLE_OUT_OF_MEMORY;
+ }
+
+ /* Calculate the reply */
+ memcpy(plainauth, userp, ulen);
+ plainauth[ulen] = '\0';
+ memcpy(plainauth + ulen + 1, userp, ulen);
+ plainauth[2 * ulen + 1] = '\0';
+ memcpy(plainauth + 2 * ulen + 2, passwdp, plen);
+
+ /* Base64 encode the reply */
+ result = Curl_base64_encode(data, plainauth, 2 * ulen + plen + 2, outptr,
+ outlen);
+ free(plainauth);
+
+ return result;
+}
+
+/*
+ * sasl_create_login_message()
+ *
+ * This is used to generate an already encoded LOGIN message containing the
+ * user name or password ready for sending to the recipient.
+ *
+ * Parameters:
+ *
+ * data [in] - The session handle.
+ * valuep [in] - The user name or user's password.
+ * outptr [in/out] - The address where a pointer to newly allocated memory
+ * holding the result will be stored upon completion.
+ * outlen [out] - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode sasl_create_login_message(struct SessionHandle *data,
+ const char *valuep, char **outptr,
+ size_t *outlen)
+{
+ size_t vlen = strlen(valuep);
+
+ if(!vlen) {
+ /* Calculate an empty reply */
+ *outptr = strdup("=");
+ if(*outptr) {
+ *outlen = (size_t) 1;
+ return CURLE_OK;
+ }
+
+ *outlen = 0;
+ return CURLE_OUT_OF_MEMORY;
+ }
+
+ /* Base64 encode the value */
+ return Curl_base64_encode(data, valuep, vlen, outptr, outlen);
+}
+
+/*
+ * sasl_create_external_message()
+ *
+ * This is used to generate an already encoded EXTERNAL message containing
+ * the user name ready for sending to the recipient.
+ *
+ * Parameters:
+ *
+ * data [in] - The session handle.
+ * user [in] - The user name.
+ * outptr [in/out] - The address where a pointer to newly allocated memory
+ * holding the result will be stored upon completion.
+ * outlen [out] - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode sasl_create_external_message(struct SessionHandle *data,
+ const char *user, char **outptr,
+ size_t *outlen)
+{
+ /* This is the same formatting as the login message */
+ return sasl_create_login_message(data, user, outptr, outlen);
+}
diff --git a/lib/vauth/vauth.h b/lib/vauth/vauth.h
index d0961e5a7..4e02a27c9 100644
--- a/lib/vauth/vauth.h
+++ b/lib/vauth/vauth.h
@@ -24,6 +24,8 @@
#include <curl/curl.h>
+struct SessionHandle;
+
/* This is used to build a SPN string */
#if !defined(USE_WINDOWS_SSPI)
char *Curl_sasl_build_spn(const char *service, const char *instance);
@@ -35,4 +37,20 @@ TCHAR *Curl_sasl_build_spn(const char *service, const char *instance);
char *Curl_sasl_build_gssapi_spn(const char *service, const char *instance);
#endif
+/* This is used to generate a base64 encoded PLAIN cleartext message */
+CURLcode sasl_create_plain_message(struct SessionHandle *data,
+ const char *userp,
+ const char *passwdp,
+ char **outptr, size_t *outlen);
+
+/* This is used to generate a base64 encoded LOGIN cleartext message */
+CURLcode sasl_create_login_message(struct SessionHandle *data,
+ const char *valuep, char **outptr,
+ size_t *outlen);
+
+/* This is used to generate a base64 encoded EXTERNAL cleartext message */
+CURLcode sasl_create_external_message(struct SessionHandle *data,
+ const char *user, char **outptr,
+ size_t *outlen);
+
#endif /* HEADER_CURL_VAUTH_H */