* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * 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
* RFC3501 IMAPv4 protocol
* RFC4422 Simple Authentication and Security Layer (SASL)
* RFC4616 PLAIN authentication
+ * RFC4752 The Kerberos V5 ("GSSAPI") SASL Mechanism
* RFC4959 IMAP Extension for SASL Initial Client Response
* RFC5092 IMAP URL Scheme
+ * RFC6749 OAuth 2.0 Authorization Framework
+ * Draft LOGIN SASL Mechanism <draft-murchison-sasl-login-00.txt>
*
***************************************************************************/
#include <curl/curl.h>
#include "urldata.h"
#include "sendf.h"
-#include "if2ip.h"
#include "hostip.h"
#include "progress.h"
#include "transfer.h"
#include "strtoofft.h"
#include "strequal.h"
-#include "sslgen.h"
+#include "vtls/vtls.h"
#include "connect.h"
#include "strerror.h"
#include "select.h"
static CURLcode imap_parse_url_options(struct connectdata *conn);
static CURLcode imap_parse_url_path(struct connectdata *conn);
static CURLcode imap_parse_custom_request(struct connectdata *conn);
+static CURLcode imap_calc_sasl_details(struct connectdata *conn,
+ const char **mech,
+ char **initresp, size_t *len,
+ imapstate *state1, imapstate *state2);
/*
* IMAP protocol handler.
ZERO_NULL, /* readwrite */
PORT_IMAP, /* defport */
CURLPROTO_IMAP, /* protocol */
- PROTOPT_CLOSEACTION | PROTOPT_NEEDSPWD
- | PROTOPT_NOURLQUERY /* flags */
+ PROTOPT_CLOSEACTION | PROTOPT_NEEDSPWD /* flags */
};
#ifdef USE_SSL
imap_disconnect, /* disconnect */
ZERO_NULL, /* readwrite */
PORT_IMAPS, /* defport */
- CURLPROTO_IMAP | CURLPROTO_IMAPS, /* protocol */
- PROTOPT_CLOSEACTION | PROTOPT_SSL | PROTOPT_NEEDSPWD
- | PROTOPT_NOURLQUERY /* flags */
+ CURLPROTO_IMAPS, /* protocol */
+ PROTOPT_CLOSEACTION | PROTOPT_SSL |
+ PROTOPT_NEEDSPWD /* flags */
};
#endif
static const struct Curl_handler Curl_handler_imap_proxy = {
"IMAP", /* scheme */
- ZERO_NULL, /* setup_connection */
+ Curl_http_setup_conn, /* setup_connection */
Curl_http, /* do_it */
Curl_http_done, /* done */
ZERO_NULL, /* do_more */
static const struct Curl_handler Curl_handler_imaps_proxy = {
"IMAPS", /* scheme */
- ZERO_NULL, /* setup_connection */
+ Curl_http_setup_conn, /* setup_connection */
Curl_http, /* do_it */
Curl_http_done, /* done */
ZERO_NULL, /* do_more */
/* Does the command name match and is it followed by a space character or at
the end of line? */
if(line + cmd_len <= end && Curl_raw_nequal(line, cmd, cmd_len) &&
- (line[cmd_len] == ' ' || line + cmd_len == end))
+ (line[cmd_len] == ' ' || line + cmd_len + 2 == end))
return TRUE;
return FALSE;
static bool imap_endofresp(struct connectdata *conn, char *line, size_t len,
int *resp)
{
- struct IMAP *imap = conn->data->state.proto.imap;
+ struct IMAP *imap = conn->data->req.protop;
struct imap_conn *imapc = &conn->proto.imapc;
const char *id = imapc->resptag;
size_t id_len = strlen(id);
(strcmp(imap->custom, "STORE") ||
!imap_matchresp(line, len, "FETCH")) &&
strcmp(imap->custom, "SELECT") &&
- strcmp(imap->custom, "EXAMINE")))
+ strcmp(imap->custom, "EXAMINE") &&
+ strcmp(imap->custom, "SEARCH") &&
+ strcmp(imap->custom, "EXPUNGE") &&
+ strcmp(imap->custom, "LSUB") &&
+ strcmp(imap->custom, "UID") &&
+ strcmp(imap->custom, "NOOP")))
return FALSE;
break;
return FALSE;
break;
+ case IMAP_SEARCH:
+ if(!imap_matchresp(line, len, "SEARCH"))
+ return FALSE;
+ break;
+
/* Ignore other untagged responses */
default:
return FALSE;
return TRUE;
}
- /* Do we have a continuation response? */
+ /* Do we have a continuation response? This should be a + symbol followed by
+ a space and optionally some text as per RFC-3501 for the AUTHENTICATE and
+ APPEND commands and as outlined in Section 4. Examples of RFC-4959 but
+ some e-mail servers ignore this and only send a single + instead. */
if((len == 3 && !memcmp("+", line, 1)) ||
(len >= 2 && !memcmp("+ ", line, 2))) {
switch(imapc->state) {
case IMAP_AUTHENTICATE_DIGESTMD5_RESP:
case IMAP_AUTHENTICATE_NTLM:
case IMAP_AUTHENTICATE_NTLM_TYPE2MSG:
+ case IMAP_AUTHENTICATE_XOAUTH2:
case IMAP_AUTHENTICATE_FINAL:
case IMAP_APPEND:
*resp = '+';
/***********************************************************************
*
+ * imap_get_message()
+ *
+ * Gets the authentication message from the response buffer.
+ */
+static void imap_get_message(char *buffer, char** outptr)
+{
+ size_t len = 0;
+ char* message = NULL;
+
+ /* Find the start of the message */
+ for(message = buffer + 2; *message == ' ' || *message == '\t'; message++)
+ ;
+
+ /* Find the end of the message */
+ for(len = strlen(message); len--;)
+ if(message[len] != '\r' && message[len] != '\n' && message[len] != ' ' &&
+ message[len] != '\t')
+ break;
+
+ /* Terminate the message */
+ if(++len) {
+ message[len] = '\0';
+ }
+
+ *outptr = message;
+}
+
+/***********************************************************************
+ *
* state()
*
* This is the ONLY way to change IMAP state!
"AUTHENTICATE_DIGESTMD5_RESP",
"AUTHENTICATE_NTLM",
"AUTHENTICATE_NTLM_TYPE2MSG",
+ "AUTHENTICATE_GSSAPI",
+ "AUTHENTICATE_GSSAPI_TOKEN",
+ "AUTHENTICATE_GSSAPI_NO_DATA",
+ "AUTHENTICATE_XOAUTH2",
+ "AUTHENTICATE_CANCEL",
"AUTHENTICATE_FINAL",
"LOGIN",
"LIST",
"FETCH_FINAL",
"APPEND",
"APPEND_FINAL",
+ "SEARCH",
"LOGOUT",
/* LAST */
};
*
* imap_perform_authenticate()
*
- * Sends an AUTHENTICATE command allowing the client to login with the
- * appropriate SASL authentication mechanism.
+ * Sends an AUTHENTICATE command allowing the client to login with the given
+ * SASL authentication mechanism.
+ */
+static CURLcode imap_perform_authenticate(struct connectdata *conn,
+ const char *mech,
+ const char *initresp,
+ imapstate state1, imapstate state2)
+{
+ CURLcode result = CURLE_OK;
+
+ if(initresp) {
+ /* Send the AUTHENTICATE command with the initial response */
+ result = imap_sendf(conn, "AUTHENTICATE %s %s", mech, initresp);
+
+ if(!result)
+ state(conn, state2);
+ }
+ else {
+ /* Send the AUTHENTICATE command */
+ result = imap_sendf(conn, "AUTHENTICATE %s", mech);
+
+ if(!result)
+ state(conn, state1);
+ }
+
+ return result;
+}
+
+/***********************************************************************
+ *
+ * imap_perform_authentication()
*
- * Additionally, the function will perform fallback to the LOGIN command
- * should a common mechanism not be available between the client and server.
+ * Initiates the authentication sequence, with the appropriate SASL
+ * authentication mechanism, falling back to clear text should a common
+ * mechanism not be available between the client and server.
*/
-static CURLcode imap_perform_authenticate(struct connectdata *conn)
+static CURLcode imap_perform_authentication(struct connectdata *conn)
{
CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
struct imap_conn *imapc = &conn->proto.imapc;
const char *mech = NULL;
char *initresp = NULL;
return result;
}
- /* Calculate the supported authentication mechanism by decreasing order of
- security */
-#ifndef CURL_DISABLE_CRYPTO_AUTH
- if((imapc->authmechs & SASL_MECH_DIGEST_MD5) &&
- (imapc->prefmech & SASL_MECH_DIGEST_MD5)) {
- mech = "DIGEST-MD5";
- state1 = IMAP_AUTHENTICATE_DIGESTMD5;
- imapc->authused = SASL_MECH_DIGEST_MD5;
- }
- else if((imapc->authmechs & SASL_MECH_CRAM_MD5) &&
- (imapc->prefmech & SASL_MECH_CRAM_MD5)) {
- mech = "CRAM-MD5";
- state1 = IMAP_AUTHENTICATE_CRAMMD5;
- imapc->authused = SASL_MECH_CRAM_MD5;
- }
- else
-#endif
-#ifdef USE_NTLM
- if((imapc->authmechs & SASL_MECH_NTLM) &&
- (imapc->prefmech & SASL_MECH_NTLM)) {
- mech = "NTLM";
- state1 = IMAP_AUTHENTICATE_NTLM;
- state2 = IMAP_AUTHENTICATE_NTLM_TYPE2MSG;
- imapc->authused = SASL_MECH_NTLM;
-
- if(imapc->ir_supported || data->set.sasl_ir)
- result = Curl_sasl_create_ntlm_type1_message(conn->user, conn->passwd,
- &conn->ntlm,
- &initresp, &len);
- }
- else
-#endif
- if((imapc->authmechs & SASL_MECH_LOGIN) &&
- (imapc->prefmech & SASL_MECH_LOGIN)) {
- mech = "LOGIN";
- state1 = IMAP_AUTHENTICATE_LOGIN;
- state2 = IMAP_AUTHENTICATE_LOGIN_PASSWD;
- imapc->authused = SASL_MECH_LOGIN;
-
- if(imapc->ir_supported || data->set.sasl_ir)
- result = Curl_sasl_create_login_message(conn->data, conn->user,
- &initresp, &len);
- }
- else if((imapc->authmechs & SASL_MECH_PLAIN) &&
- (imapc->prefmech & SASL_MECH_PLAIN)) {
- mech = "PLAIN";
- state1 = IMAP_AUTHENTICATE_PLAIN;
- state2 = IMAP_AUTHENTICATE_FINAL;
- imapc->authused = SASL_MECH_PLAIN;
-
- if(imapc->ir_supported || data->set.sasl_ir)
- result = Curl_sasl_create_plain_message(conn->data, conn->user,
- conn->passwd, &initresp, &len);
- }
+ /* Calculate the SASL login details */
+ result = imap_calc_sasl_details(conn, &mech, &initresp, &len, &state1,
+ &state2);
if(!result) {
- if(mech) {
+ if(mech && (imapc->preftype & IMAP_TYPE_SASL)) {
/* Perform SASL based authentication */
- if(initresp) {
- result = imap_sendf(conn, "AUTHENTICATE %s %s", mech, initresp);
-
- if(!result)
- state(conn, state2);
- }
- else {
- result = imap_sendf(conn, "AUTHENTICATE %s", mech);
-
- if(!result)
- state(conn, state1);
- }
-
- Curl_safefree(initresp);
+ result = imap_perform_authenticate(conn, mech, initresp, state1, state2);
}
- else if(!imapc->login_disabled)
+ else if((!imapc->login_disabled) &&
+ (imapc->preftype & IMAP_TYPE_CLEARTEXT))
/* Perform clear text authentication */
result = imap_perform_login(conn);
else {
}
}
+ Curl_safefree(initresp);
+
return result;
}
{
CURLcode result = CURLE_OK;
struct SessionHandle *data = conn->data;
- struct IMAP *imap = data->state.proto.imap;
+ struct IMAP *imap = data->req.protop;
char *mailbox;
if(imap->custom)
{
CURLcode result = CURLE_OK;
struct SessionHandle *data = conn->data;
- struct IMAP *imap = data->state.proto.imap;
+ struct IMAP *imap = data->req.protop;
struct imap_conn *imapc = &conn->proto.imapc;
char *mailbox;
static CURLcode imap_perform_fetch(struct connectdata *conn)
{
CURLcode result = CURLE_OK;
- struct IMAP *imap = conn->data->state.proto.imap;
+ struct IMAP *imap = conn->data->req.protop;
/* Check we have a UID */
if(!imap->uid) {
}
/* Send the FETCH command */
- result = imap_sendf(conn, "FETCH %s BODY[%s]",
- imap->uid,
- imap->section ? imap->section : "");
+ if(imap->partial)
+ result = imap_sendf(conn, "FETCH %s BODY[%s]<%s>",
+ imap->uid,
+ imap->section ? imap->section : "",
+ imap->partial);
+ else
+ result = imap_sendf(conn, "FETCH %s BODY[%s]",
+ imap->uid,
+ imap->section ? imap->section : "");
if(!result)
state(conn, IMAP_FETCH);
static CURLcode imap_perform_append(struct connectdata *conn)
{
CURLcode result = CURLE_OK;
- struct IMAP *imap = conn->data->state.proto.imap;
+ struct IMAP *imap = conn->data->req.protop;
char *mailbox;
/* Check we have a mailbox */
}
/* Check we know the size of the upload */
- if(conn->data->set.infilesize < 0) {
+ if(conn->data->state.infilesize < 0) {
failf(conn->data, "Cannot APPEND with unknown input file size\n");
return CURLE_UPLOAD_FAILED;
}
return CURLE_OUT_OF_MEMORY;
/* Send the APPEND command */
- result = imap_sendf(conn, "APPEND %s (\\Seen) {%" FORMAT_OFF_T "}",
- mailbox, conn->data->set.infilesize);
+ result = imap_sendf(conn, "APPEND %s (\\Seen) {%" CURL_FORMAT_CURL_OFF_T "}",
+ mailbox, conn->data->state.infilesize);
Curl_safefree(mailbox);
/***********************************************************************
*
+ * imap_perform_search()
+ *
+ * Sends a SEARCH command.
+ */
+static CURLcode imap_perform_search(struct connectdata *conn)
+{
+ CURLcode result = CURLE_OK;
+ struct IMAP *imap = conn->data->req.protop;
+
+ /* Check we have a query string */
+ if(!imap->query) {
+ failf(conn->data, "Cannot SEARCH without a query string.");
+ return CURLE_URL_MALFORMAT;
+ }
+
+ /* Send the SEARCH command */
+ result = imap_sendf(conn, "SEARCH %s", imap->query);
+
+ if(!result)
+ state(conn, IMAP_SEARCH);
+
+ return result;
+}
+
+/***********************************************************************
+ *
* imap_perform_logout()
*
* Performs the logout action prior to sclose() being called.
wordlen -= 5;
/* Test the word for a matching authentication mechanism */
- if(wordlen == 5 && !memcmp(line, "LOGIN", 5))
+ if(sasl_mech_equal(line, wordlen, SASL_MECH_STRING_LOGIN))
imapc->authmechs |= SASL_MECH_LOGIN;
- if(wordlen == 5 && !memcmp(line, "PLAIN", 5))
+ else if(sasl_mech_equal(line, wordlen, SASL_MECH_STRING_PLAIN))
imapc->authmechs |= SASL_MECH_PLAIN;
- else if(wordlen == 8 && !memcmp(line, "CRAM-MD5", 8))
+ else if(sasl_mech_equal(line, wordlen, SASL_MECH_STRING_CRAM_MD5))
imapc->authmechs |= SASL_MECH_CRAM_MD5;
- else if(wordlen == 10 && !memcmp(line, "DIGEST-MD5", 10))
+ else if(sasl_mech_equal(line, wordlen, SASL_MECH_STRING_DIGEST_MD5))
imapc->authmechs |= SASL_MECH_DIGEST_MD5;
- else if(wordlen == 6 && !memcmp(line, "GSSAPI", 6))
+ else if(sasl_mech_equal(line, wordlen, SASL_MECH_STRING_GSSAPI))
imapc->authmechs |= SASL_MECH_GSSAPI;
- else if(wordlen == 8 && !memcmp(line, "EXTERNAL", 8))
+ else if(sasl_mech_equal(line, wordlen, SASL_MECH_STRING_EXTERNAL))
imapc->authmechs |= SASL_MECH_EXTERNAL;
- else if(wordlen == 4 && !memcmp(line, "NTLM", 4))
+ else if(sasl_mech_equal(line, wordlen, SASL_MECH_STRING_NTLM))
imapc->authmechs |= SASL_MECH_NTLM;
+ else if(sasl_mech_equal(line, wordlen, SASL_MECH_STRING_XOAUTH2))
+ imapc->authmechs |= SASL_MECH_XOAUTH2;
}
line += wordlen;
result = imap_perform_starttls(conn);
else if(data->set.use_ssl == CURLUSESSL_TRY)
/* Fallback and carry on with authentication */
- result = imap_perform_authenticate(conn);
+ result = imap_perform_authentication(conn);
else {
failf(data, "STARTTLS not supported.");
result = CURLE_USE_SSL_FAILED;
}
}
else
- result = imap_perform_authenticate(conn);
+ result = imap_perform_authentication(conn);
}
else
- result = imap_perform_login(conn);
+ result = imap_perform_authentication(conn);
return result;
}
result = CURLE_USE_SSL_FAILED;
}
else
- result = imap_perform_authenticate(conn);
+ result = imap_perform_authentication(conn);
}
else
result = imap_perform_upgrade_tls(conn);
/* Create the authorisation message */
result = Curl_sasl_create_plain_message(data, conn->user, conn->passwd,
&plainauth, &len);
+ if(!result && plainauth) {
+ /* Send the message */
+ result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", plainauth);
- /* Send the message */
- if(!result) {
- if(plainauth) {
- result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", plainauth);
-
- if(!result)
- state(conn, IMAP_AUTHENTICATE_FINAL);
- }
-
- Curl_safefree(plainauth);
+ if(!result)
+ state(conn, IMAP_AUTHENTICATE_FINAL);
}
}
+ Curl_safefree(plainauth);
+
return result;
}
/* Create the user message */
result = Curl_sasl_create_login_message(data, conn->user,
&authuser, &len);
+ if(!result && authuser) {
+ /* Send the user */
+ result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", authuser);
- /* Send the user */
- if(!result) {
- if(authuser) {
- result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", authuser);
-
- if(!result)
- state(conn, IMAP_AUTHENTICATE_LOGIN_PASSWD);
- }
-
- Curl_safefree(authuser);
+ if(!result)
+ state(conn, IMAP_AUTHENTICATE_LOGIN_PASSWD);
}
}
+ Curl_safefree(authuser);
+
return result;
}
/* Create the password message */
result = Curl_sasl_create_login_message(data, conn->passwd,
&authpasswd, &len);
+ if(!result && authpasswd) {
+ /* Send the password */
+ result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", authpasswd);
- /* Send the password */
- if(!result) {
- if(authpasswd) {
- result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", authpasswd);
-
- if(!result)
- state(conn, IMAP_AUTHENTICATE_FINAL);
- }
-
- Curl_safefree(authpasswd);
+ if(!result)
+ state(conn, IMAP_AUTHENTICATE_FINAL);
}
}
+ Curl_safefree(authpasswd);
+
return result;
}
{
CURLcode result = CURLE_OK;
struct SessionHandle *data = conn->data;
- char *chlg64 = data->state.buffer;
- size_t len = 0;
+ char *chlg = NULL;
+ char *chlg64 = NULL;
char *rplyb64 = NULL;
+ size_t len = 0;
(void)instate; /* no use for this yet */
return CURLE_LOGIN_DENIED;
}
- /* Get the challenge */
- for(chlg64 += 2; *chlg64 == ' ' || *chlg64 == '\t'; chlg64++)
- ;
+ /* Get the challenge message */
+ imap_get_message(data->state.buffer, &chlg64);
- /* Terminate the challenge */
- if(*chlg64 != '=') {
- for(len = strlen(chlg64); len--;)
- if(chlg64[len] != '\r' && chlg64[len] != '\n' && chlg64[len] != ' ' &&
- chlg64[len] != '\t')
- break;
+ /* Decode the challenge message */
+ result = Curl_sasl_decode_cram_md5_message(chlg64, &chlg, &len);
+ if(result) {
+ /* Send the cancellation */
+ result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", "*");
- if(++len) {
- chlg64[len] = '\0';
- }
+ if(!result)
+ state(conn, IMAP_AUTHENTICATE_CANCEL);
}
-
- /* Create the response message */
- result = Curl_sasl_create_cram_md5_message(data, chlg64, conn->user,
- conn->passwd, &rplyb64, &len);
-
- /* Send the response */
- if(!result) {
- if(rplyb64) {
+ else {
+ /* Create the response message */
+ result = Curl_sasl_create_cram_md5_message(data, chlg, conn->user,
+ conn->passwd, &rplyb64, &len);
+ if(!result && rplyb64) {
+ /* Send the response */
result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", rplyb64);
if(!result)
state(conn, IMAP_AUTHENTICATE_FINAL);
}
-
- Curl_safefree(rplyb64);
}
+ Curl_safefree(chlg);
+ Curl_safefree(rplyb64);
+
return result;
}
{
CURLcode result = CURLE_OK;
struct SessionHandle *data = conn->data;
- char *chlg64 = data->state.buffer;
- size_t len = 0;
+ char *chlg64 = NULL;
char *rplyb64 = NULL;
+ size_t len = 0;
(void)instate; /* no use for this yet */
return CURLE_LOGIN_DENIED;
}
- /* Get the challenge */
- for(chlg64 += 2; *chlg64 == ' ' || *chlg64 == '\t'; chlg64++)
- ;
+ /* Get the challenge message */
+ imap_get_message(data->state.buffer, &chlg64);
/* Create the response message */
- result = Curl_sasl_create_digest_md5_message(data, chlg64, conn->user,
- conn->passwd, "imap",
- &rplyb64, &len);
-
- /* Send the response */
- if(!result) {
- if(rplyb64) {
- result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", rplyb64);
+ result = Curl_sasl_create_digest_md5_message(data, chlg64,
+ conn->user, conn->passwd,
+ "imap", &rplyb64, &len);
+ if(result) {
+ if(result == CURLE_BAD_CONTENT_ENCODING) {
+ /* Send the cancellation */
+ result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", "*");
if(!result)
- state(conn, IMAP_AUTHENTICATE_DIGESTMD5_RESP);
+ state(conn, IMAP_AUTHENTICATE_CANCEL);
}
+ }
+ else {
+ /* Send the response */
+ result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", rplyb64);
- Curl_safefree(rplyb64);
+ if(!result)
+ state(conn, IMAP_AUTHENTICATE_DIGESTMD5_RESP);
}
+ Curl_safefree(rplyb64);
+
return result;
}
result = Curl_sasl_create_ntlm_type1_message(conn->user, conn->passwd,
&conn->ntlm,
&type1msg, &len);
+ if(!result && type1msg) {
+ /* Send the message */
+ result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", type1msg);
- /* Send the message */
- if(!result) {
- if(type1msg) {
- result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", type1msg);
-
- if(!result)
- state(conn, IMAP_AUTHENTICATE_NTLM_TYPE2MSG);
- }
-
- Curl_safefree(type1msg);
+ if(!result)
+ state(conn, IMAP_AUTHENTICATE_NTLM_TYPE2MSG);
}
}
+ Curl_safefree(type1msg);
+
return result;
}
{
CURLcode result = CURLE_OK;
struct SessionHandle *data = conn->data;
- size_t len = 0;
+ char *type2msg = NULL;
char *type3msg = NULL;
+ size_t len = 0;
(void)instate; /* no use for this yet */
result = CURLE_LOGIN_DENIED;
}
else {
- /* Create the type-3 message */
- result = Curl_sasl_create_ntlm_type3_message(data,
- data->state.buffer + 2,
- conn->user, conn->passwd,
- &conn->ntlm,
- &type3msg, &len);
+ /* Get the challenge message */
+ imap_get_message(data->state.buffer, &type2msg);
- /* Send the message */
- if(!result) {
- if(type3msg) {
+ /* Decode the type-2 message */
+ result = Curl_sasl_decode_ntlm_type2_message(data, type2msg, &conn->ntlm);
+ if(result) {
+ /* Send the cancellation */
+ result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", "*");
+
+ if(!result)
+ state(conn, IMAP_AUTHENTICATE_CANCEL);
+ }
+ else {
+ /* Create the type-3 message */
+ result = Curl_sasl_create_ntlm_type3_message(data, conn->user,
+ conn->passwd, &conn->ntlm,
+ &type3msg, &len);
+ if(!result && type3msg) {
+ /* Send the message */
result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", type3msg);
if(!result)
state(conn, IMAP_AUTHENTICATE_FINAL);
}
+ }
+ }
+
+ Curl_safefree(type3msg);
+
+ return result;
+}
+#endif
+
+#if defined(USE_KERBEROS5)
+/* For AUTHENTICATE GSSAPI (without initial response) responses */
+static CURLcode imap_state_auth_gssapi_resp(struct connectdata *conn,
+ int imapcode,
+ imapstate instate)
+{
+ CURLcode result = CURLE_OK;
+ struct SessionHandle *data = conn->data;
+ struct imap_conn *imapc = &conn->proto.imapc;
+ size_t len = 0;
+ char *respmsg = NULL;
+
+ (void)instate; /* no use for this yet */
+
+ if(imapcode != '+') {
+ failf(data, "Access denied: %d", imapcode);
+ result = CURLE_LOGIN_DENIED;
+ }
+ else {
+ /* Create the initial response message */
+ result = Curl_sasl_create_gssapi_user_message(data, conn->user,
+ conn->passwd, "imap",
+ imapc->mutual_auth,
+ NULL, &conn->krb5,
+ &respmsg, &len);
+ if(!result && respmsg) {
+ /* Send the message */
+ result = Curl_pp_sendf(&imapc->pp, "%s", respmsg);
+
+ if(!result)
+ state(conn, IMAP_AUTHENTICATE_GSSAPI_TOKEN);
+ }
+ }
+
+ Curl_safefree(respmsg);
+
+ return result;
+}
+
+/* For AUTHENTICATE GSSAPI user token responses */
+static CURLcode imap_state_auth_gssapi_token_resp(struct connectdata *conn,
+ int imapcode,
+ imapstate instate)
+{
+ CURLcode result = CURLE_OK;
+ struct SessionHandle *data = conn->data;
+ struct imap_conn *imapc = &conn->proto.imapc;
+ char *chlgmsg = NULL;
+ char *respmsg = NULL;
+ size_t len = 0;
+
+ (void)instate; /* no use for this yet */
+
+ if(imapcode != '+') {
+ failf(data, "Access denied: %d", imapcode);
+ result = CURLE_LOGIN_DENIED;
+ }
+ else {
+ /* Get the challenge message */
+ imap_get_message(data->state.buffer, &chlgmsg);
+
+ if(imapc->mutual_auth)
+ /* Decode the user token challenge and create the optional response
+ message */
+ result = Curl_sasl_create_gssapi_user_message(data, NULL, NULL, NULL,
+ imapc->mutual_auth,
+ chlgmsg, &conn->krb5,
+ &respmsg, &len);
+ else
+ /* Decode the security challenge and create the response message */
+ result = Curl_sasl_create_gssapi_security_message(data, chlgmsg,
+ &conn->krb5,
+ &respmsg, &len);
+
+ if(result) {
+ if(result == CURLE_BAD_CONTENT_ENCODING) {
+ /* Send the cancellation */
+ result = Curl_pp_sendf(&imapc->pp, "%s", "*");
+
+ if(!result)
+ state(conn, IMAP_AUTHENTICATE_CANCEL);
+ }
+ }
+ else {
+ /* Send the response */
+ if(respmsg)
+ result = Curl_pp_sendf(&imapc->pp, "%s", respmsg);
+ else
+ result = Curl_pp_sendf(&imapc->pp, "%s", "");
+
+ if(!result)
+ state(conn, (imapc->mutual_auth ? IMAP_AUTHENTICATE_GSSAPI_NO_DATA :
+ IMAP_AUTHENTICATE_FINAL));
+ }
+ }
+
+ Curl_safefree(respmsg);
+
+ return result;
+}
+
+/* For AUTHENTICATE GSSAPI no data responses */
+static CURLcode imap_state_auth_gssapi_no_data_resp(struct connectdata *conn,
+ int imapcode,
+ imapstate instate)
+{
+ CURLcode result = CURLE_OK;
+ struct SessionHandle *data = conn->data;
+ char *chlgmsg = NULL;
+ char *respmsg = NULL;
+ size_t len = 0;
+
+ (void)instate; /* no use for this yet */
+
+ if(imapcode != '+') {
+ failf(data, "Access denied: %d", imapcode);
+ result = CURLE_LOGIN_DENIED;
+ }
+ else {
+ /* Get the challenge message */
+ imap_get_message(data->state.buffer, &chlgmsg);
+
+ /* Decode the security challenge and create the response message */
+ result = Curl_sasl_create_gssapi_security_message(data, chlgmsg,
+ &conn->krb5,
+ &respmsg, &len);
+ if(result) {
+ if(result == CURLE_BAD_CONTENT_ENCODING) {
+ /* Send the cancellation */
+ result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", "*");
+
+ if(!result)
+ state(conn, IMAP_AUTHENTICATE_CANCEL);
+ }
+ }
+ else {
+ /* Send the response */
+ if(respmsg) {
+ result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", respmsg);
- Curl_safefree(type3msg);
+ if(!result)
+ state(conn, IMAP_AUTHENTICATE_FINAL);
+ }
}
}
+ Curl_safefree(respmsg);
+
return result;
}
#endif
-/* For final responses to the AUTHENTICATE sequence */
+/* For AUTHENTICATE XOAUTH2 (without initial response) responses */
+static CURLcode imap_state_auth_xoauth2_resp(struct connectdata *conn,
+ int imapcode,
+ imapstate instate)
+{
+ CURLcode result = CURLE_OK;
+ struct SessionHandle *data = conn->data;
+ size_t len = 0;
+ char *xoauth = NULL;
+
+ (void)instate; /* no use for this yet */
+
+ if(imapcode != '+') {
+ failf(data, "Access denied: %d", imapcode);
+ result = CURLE_LOGIN_DENIED;
+ }
+ else {
+ /* Create the authorisation message */
+ result = Curl_sasl_create_xoauth2_message(conn->data, conn->user,
+ conn->xoauth2_bearer,
+ &xoauth, &len);
+ if(!result && xoauth) {
+ /* Send the message */
+ result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", xoauth);
+
+ if(!result)
+ state(conn, IMAP_AUTHENTICATE_FINAL);
+ }
+ }
+
+ Curl_safefree(xoauth);
+
+ return result;
+}
+
+/* For AUTHENTICATE cancellation responses */
+static CURLcode imap_state_auth_cancel_resp(struct connectdata *conn,
+ int imapcode,
+ imapstate instate)
+{
+ CURLcode result = CURLE_OK;
+ struct SessionHandle *data = conn->data;
+ struct imap_conn *imapc = &conn->proto.imapc;
+ const char *mech = NULL;
+ char *initresp = NULL;
+ size_t len = 0;
+ imapstate state1 = IMAP_STOP;
+ imapstate state2 = IMAP_STOP;
+
+ (void)imapcode;
+ (void)instate; /* no use for this yet */
+
+ /* Remove the offending mechanism from the supported list */
+ imapc->authmechs ^= imapc->authused;
+
+ /* Calculate alternative SASL login details */
+ result = imap_calc_sasl_details(conn, &mech, &initresp, &len, &state1,
+ &state2);
+
+ if(!result) {
+ /* Do we have any mechanisms left or can we fallback to clear text? */
+ if(mech) {
+ /* Retry SASL based authentication */
+ result = imap_perform_authenticate(conn, mech, initresp, state1, state2);
+
+ Curl_safefree(initresp);
+ }
+ else if((!imapc->login_disabled) &&
+ (imapc->preftype & IMAP_TYPE_CLEARTEXT))
+ /* Perform clear text authentication */
+ result = imap_perform_login(conn);
+ else {
+ failf(data, "Authentication cancelled");
+
+ result = CURLE_LOGIN_DENIED;
+ }
+ }
+
+ return result;
+}
+
+/* For final responses in the AUTHENTICATE sequence */
static CURLcode imap_state_auth_final_resp(struct connectdata *conn,
int imapcode,
imapstate instate)
{
CURLcode result = CURLE_OK;
struct SessionHandle *data = conn->data;
- struct IMAP *imap = conn->data->state.proto.imap;
+ struct IMAP *imap = conn->data->req.protop;
struct imap_conn *imapc = &conn->proto.imapc;
const char *line = data->state.buffer;
char tmp[20];
if(imap->custom)
result = imap_perform_list(conn);
+ else if(imap->query)
+ result = imap_perform_search(conn);
else
result = imap_perform_fetch(conn);
}
(void)instate; /* no use for this yet */
if(imapcode != '*') {
- Curl_pgrsSetDownloadSize(data, 0);
+ Curl_pgrsSetDownloadSize(data, -1);
state(conn, IMAP_STOP);
return CURLE_REMOTE_FILE_NOT_FOUND; /* TODO: Fix error code */
}
}
if(parsed) {
- infof(data, "Found %" FORMAT_OFF_TU " bytes to download\n", size);
+ infof(data, "Found %" CURL_FORMAT_CURL_OFF_TU " bytes to download\n",
+ size);
Curl_pgrsSetDownloadSize(data, size);
if(pp->cache) {
return result;
data->req.bytecount += chunk;
- size -= chunk;
- infof(data, "Written %" FORMAT_OFF_TU " bytes, %" FORMAT_OFF_TU
- " bytes are left for transfer\n", (curl_off_t)chunk, size);
+ infof(data, "Written %" CURL_FORMAT_CURL_OFF_TU
+ " bytes, %" CURL_FORMAT_CURL_OFF_TU
+ " bytes are left for transfer\n", (curl_off_t)chunk,
+ size - chunk);
/* Have we used the entire cache or just part of it?*/
if(pp->cache_size > chunk) {
}
}
- if(!size)
+ if(data->req.bytecount == size)
/* The entire data is already transferred! */
Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
else {
}
else {
/* Set the progress upload size */
- Curl_pgrsSetUploadSize(data, data->set.infilesize);
+ Curl_pgrsSetUploadSize(data, data->state.infilesize);
/* IMAP upload */
Curl_setup_transfer(conn, -1, -1, FALSE, NULL, FIRSTSOCKET, NULL);
return result;
}
+/* For SEARCH responses */
+static CURLcode imap_state_search_resp(struct connectdata *conn, int imapcode,
+ imapstate instate)
+{
+ CURLcode result = CURLE_OK;
+ char *line = conn->data->state.buffer;
+ size_t len = strlen(line);
+
+ (void)instate; /* No use for this yet */
+
+ if(imapcode == '*') {
+ /* Temporarily add the LF character back and send as body to the client */
+ line[len] = '\n';
+ result = Curl_client_write(conn, CLIENTWRITE_BODY, line, len + 1);
+ line[len] = '\0';
+ }
+ else if(imapcode != 'O')
+ result = CURLE_QUOTE_ERROR; /* TODO: Fix error code */
+ else
+ /* End of DO phase */
+ state(conn, IMAP_STOP);
+
+ return result;
+}
+
static CURLcode imap_statemach_act(struct connectdata *conn)
{
CURLcode result = CURLE_OK;
break;
#endif
+#if defined(USE_KERBEROS5)
+ case IMAP_AUTHENTICATE_GSSAPI:
+ result = imap_state_auth_gssapi_resp(conn, imapcode, imapc->state);
+ break;
+
+ case IMAP_AUTHENTICATE_GSSAPI_TOKEN:
+ result = imap_state_auth_gssapi_token_resp(conn, imapcode, imapc->state);
+ break;
+
+ case IMAP_AUTHENTICATE_GSSAPI_NO_DATA:
+ result = imap_state_auth_gssapi_no_data_resp(conn, imapcode,
+ imapc->state);
+ break;
+#endif
+
+ case IMAP_AUTHENTICATE_XOAUTH2:
+ result = imap_state_auth_xoauth2_resp(conn, imapcode, imapc->state);
+ break;
+
+ case IMAP_AUTHENTICATE_CANCEL:
+ result = imap_state_auth_cancel_resp(conn, imapcode, imapc->state);
+ break;
+
case IMAP_AUTHENTICATE_FINAL:
result = imap_state_auth_final_resp(conn, imapcode, imapc->state);
break;
result = imap_state_append_final_resp(conn, imapcode, imapc->state);
break;
+ case IMAP_SEARCH:
+ result = imap_state_search_resp(conn, imapcode, imapc->state);
+ break;
+
case IMAP_LOGOUT:
/* fallthrough, just stop! */
default:
CURLcode result = CURLE_OK;
struct imap_conn *imapc = &conn->proto.imapc;
- if((conn->handler->flags & PROTOPT_SSL) && !imapc->ssldone)
+ if((conn->handler->flags & PROTOPT_SSL) && !imapc->ssldone) {
result = Curl_ssl_connect_nonblocking(conn, FIRSTSOCKET, &imapc->ssldone);
- else
- result = Curl_pp_statemach(&imapc->pp, FALSE);
+ if(result || !imapc->ssldone)
+ return result;
+ }
+ result = Curl_pp_statemach(&imapc->pp, FALSE);
*done = (imapc->state == IMAP_STOP) ? TRUE : FALSE;
return result;
{
CURLcode result = CURLE_OK;
struct SessionHandle *data = conn->data;
- struct IMAP *imap = data->state.proto.imap;
+ struct IMAP *imap;
- if(!imap) {
- imap = data->state.proto.imap = calloc(sizeof(struct IMAP), 1);
- if(!imap)
- result = CURLE_OUT_OF_MEMORY;
- }
+ imap = data->req.protop = calloc(sizeof(struct IMAP), 1);
+ if(!imap)
+ result = CURLE_OUT_OF_MEMORY;
return result;
}
*done = FALSE; /* default to not done yet */
- /* If there already is a protocol-specific struct allocated for this
- sessionhandle, deal with it */
- Curl_reset_reqproto(conn);
-
- /* Initialise the IMAP layer */
- result = imap_init(conn);
- if(result)
- return result;
-
/* We always support persistent connections in IMAP */
- conn->bits.close = FALSE;
+ connkeep(conn, "IMAP default");
/* Set the default response time-out */
pp->response_time = RESP_TIMEOUT;
pp->endofresp = imap_endofresp;
pp->conn = conn;
- /* Set the default preferred authentication mechanism */
+ /* Set the default preferred authentication type and mechanism */
+ imapc->preftype = IMAP_TYPE_ANY;
imapc->prefmech = SASL_AUTH_ANY;
/* Initialise the pingpong layer */
{
CURLcode result = CURLE_OK;
struct SessionHandle *data = conn->data;
- struct IMAP *imap = data->state.proto.imap;
+ struct IMAP *imap = data->req.protop;
(void)premature;
return CURLE_OK;
if(status) {
- conn->bits.close = TRUE; /* marked for closure */
+ connclose(conn, "IMAP done with bad status"); /* marked for closure */
result = status; /* use the already set error code */
}
else if(!data->set.connect_only && !imap->custom &&
Curl_safefree(imap->uidvalidity);
Curl_safefree(imap->uid);
Curl_safefree(imap->section);
+ Curl_safefree(imap->partial);
+ Curl_safefree(imap->query);
Curl_safefree(imap->custom);
Curl_safefree(imap->custom_params);
/* This is IMAP and no proxy */
CURLcode result = CURLE_OK;
struct SessionHandle *data = conn->data;
- struct IMAP *imap = data->state.proto.imap;
+ struct IMAP *imap = data->req.protop;
struct imap_conn *imapc = &conn->proto.imapc;
bool selected = FALSE;
else if(!imap->custom && selected && imap->uid)
/* FETCH from the same mailbox */
result = imap_perform_fetch(conn);
- else if(imap->mailbox && !selected && (imap->custom || imap->uid))
+ else if(!imap->custom && selected && imap->query)
+ /* SEARCH the current mailbox */
+ result = imap_perform_search(conn);
+ else if(imap->mailbox && !selected &&
+ (imap->custom || imap->uid || imap->query))
/* SELECT the mailbox */
result = imap_perform_select(conn);
else
*done = FALSE; /* default to false */
- /* Since connections can be re-used between SessionHandles, there might be a
- connection already existing but on a fresh SessionHandle struct. As such
- we make sure we have a good IMAP struct to play with. For new connections
- the IMAP struct is allocated and setup in the imap_connect() function. */
- Curl_reset_reqproto(conn);
- result = imap_init(conn);
- if(result)
- return result;
-
/* Parse the URL path */
result = imap_parse_url_path(conn);
if(result)
/* The IMAP session may or may not have been allocated/setup at this
point! */
- if(!dead_connection && imapc->pp.conn)
+ if(!dead_connection && imapc->pp.conn && imapc->pp.conn->bits.protoconnstart)
if(!imap_perform_logout(conn))
(void)imap_block_statemach(conn); /* ignore errors on LOGOUT */
/* Call this when the DO phase has completed */
static CURLcode imap_dophase_done(struct connectdata *conn, bool connected)
{
- struct IMAP *imap = conn->data->state.proto.imap;
+ struct IMAP *imap = conn->data->req.protop;
(void)connected;
/* Set the progress data */
Curl_pgrsSetUploadCounter(data, 0);
Curl_pgrsSetDownloadCounter(data, 0);
- Curl_pgrsSetUploadSize(data, 0);
- Curl_pgrsSetDownloadSize(data, 0);
+ Curl_pgrsSetUploadSize(data, -1);
+ Curl_pgrsSetDownloadSize(data, -1);
/* Carry out the perform */
result = imap_perform(conn, &connected, dophase_done);
{
struct SessionHandle *data = conn->data;
+ /* Initialise the IMAP layer */
+ CURLcode result = imap_init(conn);
+ if(result)
+ return result;
+
if(conn->bits.httpproxy && !data->set.tunnel_thru_httpproxy) {
/* Unless we have asked to tunnel IMAP operations through the proxy, we
switch and use HTTP operations only */
#endif
}
- /* We explicitly mark this connection as persistent here as we're doing
- IMAP over HTTP and thus we accidentally avoid setting this value
- otherwise */
- conn->bits.close = FALSE;
+ /* set it up as an HTTP connection instead */
+ return conn->handler->setup_connection(conn);
#else
failf(data, "IMAP over http proxy requires HTTP support built-in!");
return CURLE_UNSUPPORTED_PROTOCOL;
if(!str)
return NULL;
- /* Count any unescapped characters */
+ /* Count any unescaped characters */
p1 = str;
while(*p1) {
if(*p1 == '\\')
p1++;
}
- /* Does the input contain any unescapped characters? */
+ /* Does the input contain any unescaped characters? */
if(!backsp_count && !quote_count && !space_exists)
return strdup(str);
struct imap_conn *imapc = &conn->proto.imapc;
const char *options = conn->options;
const char *ptr = options;
+ bool reset = TRUE;
- if(options) {
+ while(ptr && *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, "*"))
- imapc->prefmech = SASL_AUTH_ANY;
- else if(strequal(value, "LOGIN"))
- imapc->prefmech = SASL_MECH_LOGIN;
- else if(strequal(value, "PLAIN"))
- imapc->prefmech = SASL_MECH_PLAIN;
- else if(strequal(value, "CRAM-MD5"))
- imapc->prefmech = SASL_MECH_CRAM_MD5;
- else if(strequal(value, "DIGEST-MD5"))
- imapc->prefmech = SASL_MECH_DIGEST_MD5;
- else if(strequal(value, "GSSAPI"))
- imapc->prefmech = SASL_MECH_GSSAPI;
- else if(strequal(value, "NTLM"))
- imapc->prefmech = SASL_MECH_NTLM;
- else
+ if(reset) {
+ reset = FALSE;
+ imapc->preftype = IMAP_TYPE_NONE;
imapc->prefmech = SASL_AUTH_NONE;
+ }
+
+ while(*ptr && *ptr != ';') {
+ ptr++;
+ len++;
+ }
+
+ if(strnequal(value, "*", len)) {
+ imapc->preftype = IMAP_TYPE_ANY;
+ imapc->prefmech = SASL_AUTH_ANY;
+ }
+ else if(strnequal(value, SASL_MECH_STRING_LOGIN, len)) {
+ imapc->preftype = IMAP_TYPE_SASL;
+ imapc->prefmech |= SASL_MECH_LOGIN;
+ }
+ else if(strnequal(value, SASL_MECH_STRING_PLAIN, len)) {
+ imapc->preftype = IMAP_TYPE_SASL;
+ imapc->prefmech |= SASL_MECH_PLAIN;
+ }
+ else if(strnequal(value, SASL_MECH_STRING_CRAM_MD5, len)) {
+ imapc->preftype = IMAP_TYPE_SASL;
+ imapc->prefmech |= SASL_MECH_CRAM_MD5;
+ }
+ else if(strnequal(value, SASL_MECH_STRING_DIGEST_MD5, len)) {
+ imapc->preftype = IMAP_TYPE_SASL;
+ imapc->prefmech |= SASL_MECH_DIGEST_MD5;
+ }
+ else if(strnequal(value, SASL_MECH_STRING_GSSAPI, len)) {
+ imapc->preftype = IMAP_TYPE_SASL;
+ imapc->prefmech |= SASL_MECH_GSSAPI;
+ }
+ else if(strnequal(value, SASL_MECH_STRING_NTLM, len)) {
+ imapc->preftype = IMAP_TYPE_SASL;
+ imapc->prefmech |= SASL_MECH_NTLM;
+ }
+ else if(strnequal(value, SASL_MECH_STRING_XOAUTH2, len)) {
+ imapc->preftype = IMAP_TYPE_SASL;
+ imapc->prefmech |= SASL_MECH_XOAUTH2;
+ }
+
+ if(*ptr == ';')
+ ptr++;
}
else
result = CURLE_URL_MALFORMAT;
/* The imap struct is already initialised in imap_connect() */
CURLcode result = CURLE_OK;
struct SessionHandle *data = conn->data;
- struct IMAP *imap = data->state.proto.imap;
+ struct IMAP *imap = data->req.protop;
const char *begin = data->state.path;
const char *ptr = begin;
DEBUGF(infof(conn->data, "IMAP URL parameter '%s' = '%s'\n", name, value));
- /* Process the known hierarchical parameters (UIDVALIDITY, UID and SECTION)
- stripping of the trailing slash character if it is present.
+ /* Process the known hierarchical parameters (UIDVALIDITY, UID, SECTION and
+ PARTIAL) stripping of the trailing slash character if it is present.
Note: Unknown parameters trigger a URL_MALFORMAT error. */
if(Curl_raw_equal(name, "UIDVALIDITY") && !imap->uidvalidity) {
imap->section = value;
value = NULL;
}
+ else if(Curl_raw_equal(name, "PARTIAL") && !imap->partial) {
+ if(valuelen > 0 && value[valuelen - 1] == '/')
+ value[valuelen - 1] = '\0';
+
+ imap->partial = value;
+ value = NULL;
+ }
else {
Curl_safefree(name);
Curl_safefree(value);
Curl_safefree(value);
}
+ /* Does the URL contain a query parameter? Only valid when we have a mailbox
+ and no UID as per RFC-5092 */
+ if(imap->mailbox && !imap->uid && *ptr == '?') {
+ /* Find the length of the query parameter */
+ begin = ++ptr;
+ while(imap_is_bchar(*ptr))
+ ptr++;
+
+ /* Decode the query parameter */
+ result = Curl_urldecode(data, begin, ptr - begin, &imap->query, NULL,
+ TRUE);
+ if(result)
+ return result;
+ }
+
/* Any extra stuff at the end of the URL is an error */
if(*ptr)
return CURLE_URL_MALFORMAT;
{
CURLcode result = CURLE_OK;
struct SessionHandle *data = conn->data;
- struct IMAP *imap = data->state.proto.imap;
+ struct IMAP *imap = data->req.protop;
const char *custom = data->set.str[STRING_CUSTOMREQUEST];
if(custom) {
return result;
}
+/***********************************************************************
+ *
+ * imap_calc_sasl_details()
+ *
+ * Calculate the required login details for SASL authentication.
+ */
+static CURLcode imap_calc_sasl_details(struct connectdata *conn,
+ const char **mech,
+ char **initresp, size_t *len,
+ imapstate *state1, imapstate *state2)
+{
+ CURLcode result = CURLE_OK;
+ struct SessionHandle *data = conn->data;
+ struct imap_conn *imapc = &conn->proto.imapc;
+
+ /* Calculate the supported authentication mechanism, by decreasing order of
+ security, as well as the initial response where appropriate */
+#if defined(USE_KERBEROS5)
+ if((imapc->authmechs & SASL_MECH_GSSAPI) &&
+ (imapc->prefmech & SASL_MECH_GSSAPI)) {
+ imapc->mutual_auth = FALSE; /* TODO: Calculate mutual authentication */
+
+ *mech = SASL_MECH_STRING_GSSAPI;
+ *state1 = IMAP_AUTHENTICATE_GSSAPI;
+ *state2 = IMAP_AUTHENTICATE_GSSAPI_TOKEN;
+ imapc->authused = SASL_MECH_GSSAPI;
+
+ if(imapc->ir_supported || data->set.sasl_ir)
+ result = Curl_sasl_create_gssapi_user_message(data, conn->user,
+ conn->passwd, "imap",
+ imapc->mutual_auth,
+ NULL, &conn->krb5,
+ initresp, len);
+ }
+ else
+#endif
+#ifndef CURL_DISABLE_CRYPTO_AUTH
+ if((imapc->authmechs & SASL_MECH_DIGEST_MD5) &&
+ (imapc->prefmech & SASL_MECH_DIGEST_MD5)) {
+ *mech = SASL_MECH_STRING_DIGEST_MD5;
+ *state1 = IMAP_AUTHENTICATE_DIGESTMD5;
+ imapc->authused = SASL_MECH_DIGEST_MD5;
+ }
+ else if((imapc->authmechs & SASL_MECH_CRAM_MD5) &&
+ (imapc->prefmech & SASL_MECH_CRAM_MD5)) {
+ *mech = SASL_MECH_STRING_CRAM_MD5;
+ *state1 = IMAP_AUTHENTICATE_CRAMMD5;
+ imapc->authused = SASL_MECH_CRAM_MD5;
+ }
+ else
+#endif
+#ifdef USE_NTLM
+ if((imapc->authmechs & SASL_MECH_NTLM) &&
+ (imapc->prefmech & SASL_MECH_NTLM)) {
+ *mech = SASL_MECH_STRING_NTLM;
+ *state1 = IMAP_AUTHENTICATE_NTLM;
+ *state2 = IMAP_AUTHENTICATE_NTLM_TYPE2MSG;
+ imapc->authused = SASL_MECH_NTLM;
+
+ if(imapc->ir_supported || data->set.sasl_ir)
+ result = Curl_sasl_create_ntlm_type1_message(conn->user, conn->passwd,
+ &conn->ntlm,
+ initresp, len);
+ }
+ else
+#endif
+ if(((imapc->authmechs & SASL_MECH_XOAUTH2) &&
+ (imapc->prefmech & SASL_MECH_XOAUTH2) &&
+ (imapc->prefmech != SASL_AUTH_ANY)) || conn->xoauth2_bearer) {
+ *mech = SASL_MECH_STRING_XOAUTH2;
+ *state1 = IMAP_AUTHENTICATE_XOAUTH2;
+ *state2 = IMAP_AUTHENTICATE_FINAL;
+ imapc->authused = SASL_MECH_XOAUTH2;
+
+ if(imapc->ir_supported || data->set.sasl_ir)
+ result = Curl_sasl_create_xoauth2_message(data, conn->user,
+ conn->xoauth2_bearer,
+ initresp, len);
+ }
+ else if((imapc->authmechs & SASL_MECH_LOGIN) &&
+ (imapc->prefmech & SASL_MECH_LOGIN)) {
+ *mech = SASL_MECH_STRING_LOGIN;
+ *state1 = IMAP_AUTHENTICATE_LOGIN;
+ *state2 = IMAP_AUTHENTICATE_LOGIN_PASSWD;
+ imapc->authused = SASL_MECH_LOGIN;
+
+ if(imapc->ir_supported || data->set.sasl_ir)
+ result = Curl_sasl_create_login_message(data, conn->user, initresp, len);
+ }
+ else if((imapc->authmechs & SASL_MECH_PLAIN) &&
+ (imapc->prefmech & SASL_MECH_PLAIN)) {
+ *mech = SASL_MECH_STRING_PLAIN;
+ *state1 = IMAP_AUTHENTICATE_PLAIN;
+ *state2 = IMAP_AUTHENTICATE_FINAL;
+ imapc->authused = SASL_MECH_PLAIN;
+
+ if(imapc->ir_supported || data->set.sasl_ir)
+ result = Curl_sasl_create_plain_message(data, conn->user, conn->passwd,
+ initresp, len);
+ }
+
+ return result;
+}
+
#endif /* CURL_DISABLE_IMAP */
projects / platform / upstream / curl.git / blobdiff