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authorAngelo Mantellini <angelo.mantellini@irt-systemx.fr>2018-03-21 14:16:02 +0100
committerAngelo Mantellini <angelo.mantellini@irt-systemx.fr>2018-03-21 20:46:00 +0100
commit5d308865d0783d0cd70f7453c77980835ac5648e (patch)
treeaea91e7109a81669e5b19443296cf1dec6876532 /external/libcurl_android/jni/libcurl/lib/imap.c
parente90a1ec7c82519127b63931a96535ad4bc31342d (diff)
update android-sdk. Now it is possible to compile with clangandroid-sdk/master
Change-Id: I156aa48dd90467a2a7540eec11839c0111b13bd2 Signed-off-by: Angelo Mantellini <angelo.mantellini@irt-systemx.fr>
Diffstat (limited to 'external/libcurl_android/jni/libcurl/lib/imap.c')
-rwxr-xr-xexternal/libcurl_android/jni/libcurl/lib/imap.c2893
1 files changed, 0 insertions, 2893 deletions
diff --git a/external/libcurl_android/jni/libcurl/lib/imap.c b/external/libcurl_android/jni/libcurl/lib/imap.c
deleted file mode 100755
index 9fc47286..00000000
--- a/external/libcurl_android/jni/libcurl/lib/imap.c
+++ /dev/null
@@ -1,2893 +0,0 @@
-/***************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * \___|\___/|_| \_\_____|
- *
- * Copyright (C) 1998 - 2014, 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.
- *
- * RFC2195 CRAM-MD5 authentication
- * RFC2595 Using TLS with IMAP, POP3 and ACAP
- * RFC2831 DIGEST-MD5 authentication
- * 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_setup.h"
-
-#ifndef CURL_DISABLE_IMAP
-
-#ifdef HAVE_NETINET_IN_H
-#include <netinet/in.h>
-#endif
-#ifdef HAVE_ARPA_INET_H
-#include <arpa/inet.h>
-#endif
-#ifdef HAVE_UTSNAME_H
-#include <sys/utsname.h>
-#endif
-#ifdef HAVE_NETDB_H
-#include <netdb.h>
-#endif
-#ifdef __VMS
-#include <in.h>
-#include <inet.h>
-#endif
-
-#if (defined(NETWARE) && defined(__NOVELL_LIBC__))
-#undef in_addr_t
-#define in_addr_t unsigned long
-#endif
-
-#include <curl/curl.h>
-#include "urldata.h"
-#include "sendf.h"
-#include "if2ip.h"
-#include "hostip.h"
-#include "progress.h"
-#include "transfer.h"
-#include "escape.h"
-#include "http.h" /* for HTTP proxy tunnel stuff */
-#include "socks.h"
-#include "imap.h"
-
-#include "strtoofft.h"
-#include "strequal.h"
-#include "vtls/vtls.h"
-#include "connect.h"
-#include "strerror.h"
-#include "select.h"
-#include "multiif.h"
-#include "url.h"
-#include "rawstr.h"
-#include "curl_sasl.h"
-#include "warnless.h"
-
-#define _MPRINTF_REPLACE /* use our functions only */
-#include <curl/mprintf.h>
-
-#include "curl_memory.h"
-/* The last #include file should be: */
-#include "memdebug.h"
-
-/* Local API functions */
-static CURLcode imap_regular_transfer(struct connectdata *conn, bool *done);
-static CURLcode imap_do(struct connectdata *conn, bool *done);
-static CURLcode imap_done(struct connectdata *conn, CURLcode status,
- bool premature);
-static CURLcode imap_connect(struct connectdata *conn, bool *done);
-static CURLcode imap_disconnect(struct connectdata *conn, bool dead);
-static CURLcode imap_multi_statemach(struct connectdata *conn, bool *done);
-static int imap_getsock(struct connectdata *conn, curl_socket_t *socks,
- int numsocks);
-static CURLcode imap_doing(struct connectdata *conn, bool *dophase_done);
-static CURLcode imap_setup_connection(struct connectdata *conn);
-static char *imap_atom(const char *str);
-static CURLcode imap_sendf(struct connectdata *conn, const char *fmt, ...);
-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.
- */
-
-const struct Curl_handler Curl_handler_imap = {
- "IMAP", /* scheme */
- imap_setup_connection, /* setup_connection */
- imap_do, /* do_it */
- imap_done, /* done */
- ZERO_NULL, /* do_more */
- imap_connect, /* connect_it */
- imap_multi_statemach, /* connecting */
- imap_doing, /* doing */
- imap_getsock, /* proto_getsock */
- imap_getsock, /* doing_getsock */
- ZERO_NULL, /* domore_getsock */
- ZERO_NULL, /* perform_getsock */
- imap_disconnect, /* disconnect */
- ZERO_NULL, /* readwrite */
- PORT_IMAP, /* defport */
- CURLPROTO_IMAP, /* protocol */
- PROTOPT_CLOSEACTION | PROTOPT_NEEDSPWD /* flags */
-};
-
-#ifdef USE_SSL
-/*
- * IMAPS protocol handler.
- */
-
-const struct Curl_handler Curl_handler_imaps = {
- "IMAPS", /* scheme */
- imap_setup_connection, /* setup_connection */
- imap_do, /* do_it */
- imap_done, /* done */
- ZERO_NULL, /* do_more */
- imap_connect, /* connect_it */
- imap_multi_statemach, /* connecting */
- imap_doing, /* doing */
- imap_getsock, /* proto_getsock */
- imap_getsock, /* doing_getsock */
- ZERO_NULL, /* domore_getsock */
- ZERO_NULL, /* perform_getsock */
- imap_disconnect, /* disconnect */
- ZERO_NULL, /* readwrite */
- PORT_IMAPS, /* defport */
- CURLPROTO_IMAPS, /* protocol */
- PROTOPT_CLOSEACTION | PROTOPT_SSL |
- PROTOPT_NEEDSPWD /* flags */
-};
-#endif
-
-#ifndef CURL_DISABLE_HTTP
-/*
- * HTTP-proxyed IMAP protocol handler.
- */
-
-static const struct Curl_handler Curl_handler_imap_proxy = {
- "IMAP", /* scheme */
- Curl_http_setup_conn, /* setup_connection */
- Curl_http, /* do_it */
- Curl_http_done, /* done */
- ZERO_NULL, /* do_more */
- ZERO_NULL, /* connect_it */
- ZERO_NULL, /* connecting */
- ZERO_NULL, /* doing */
- ZERO_NULL, /* proto_getsock */
- ZERO_NULL, /* doing_getsock */
- ZERO_NULL, /* domore_getsock */
- ZERO_NULL, /* perform_getsock */
- ZERO_NULL, /* disconnect */
- ZERO_NULL, /* readwrite */
- PORT_IMAP, /* defport */
- CURLPROTO_HTTP, /* protocol */
- PROTOPT_NONE /* flags */
-};
-
-#ifdef USE_SSL
-/*
- * HTTP-proxyed IMAPS protocol handler.
- */
-
-static const struct Curl_handler Curl_handler_imaps_proxy = {
- "IMAPS", /* scheme */
- Curl_http_setup_conn, /* setup_connection */
- Curl_http, /* do_it */
- Curl_http_done, /* done */
- ZERO_NULL, /* do_more */
- ZERO_NULL, /* connect_it */
- ZERO_NULL, /* connecting */
- ZERO_NULL, /* doing */
- ZERO_NULL, /* proto_getsock */
- ZERO_NULL, /* doing_getsock */
- ZERO_NULL, /* domore_getsock */
- ZERO_NULL, /* perform_getsock */
- ZERO_NULL, /* disconnect */
- ZERO_NULL, /* readwrite */
- PORT_IMAPS, /* defport */
- CURLPROTO_HTTP, /* protocol */
- PROTOPT_NONE /* flags */
-};
-#endif
-#endif
-
-#ifdef USE_SSL
-static void imap_to_imaps(struct connectdata *conn)
-{
- conn->handler = &Curl_handler_imaps;
-}
-#else
-#define imap_to_imaps(x) Curl_nop_stmt
-#endif
-
-/***********************************************************************
- *
- * imap_matchresp()
- *
- * Determines whether the untagged response is related to the specified
- * command by checking if it is in format "* <command-name> ..." or
- * "* <number> <command-name> ...".
- *
- * The "* " marker is assumed to have already been checked by the caller.
- */
-static bool imap_matchresp(const char *line, size_t len, const char *cmd)
-{
- const char *end = line + len;
- size_t cmd_len = strlen(cmd);
-
- /* Skip the untagged response marker */
- line += 2;
-
- /* Do we have a number after the marker? */
- if(line < end && ISDIGIT(*line)) {
- /* Skip the number */
- do
- line++;
- while(line < end && ISDIGIT(*line));
-
- /* Do we have the space character? */
- if(line == end || *line != ' ')
- return FALSE;
-
- line++;
- }
-
- /* 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 + 2 == end))
- return TRUE;
-
- return FALSE;
-}
-
-/***********************************************************************
- *
- * imap_endofresp()
- *
- * Checks whether the given string is a valid tagged, untagged or continuation
- * response which can be processed by the response handler.
- */
-static bool imap_endofresp(struct connectdata *conn, char *line, size_t len,
- int *resp)
-{
- 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);
-
- /* Do we have a tagged command response? */
- if(len >= id_len + 1 && !memcmp(id, line, id_len) && line[id_len] == ' ') {
- line += id_len + 1;
- len -= id_len + 1;
-
- if(len >= 2 && !memcmp(line, "OK", 2))
- *resp = 'O';
- else if(len >= 2 && !memcmp(line, "NO", 2))
- *resp = 'N';
- else if(len >= 3 && !memcmp(line, "BAD", 3))
- *resp = 'B';
- else {
- failf(conn->data, "Bad tagged response");
- *resp = -1;
- }
-
- return TRUE;
- }
-
- /* Do we have an untagged command response? */
- if(len >= 2 && !memcmp("* ", line, 2)) {
- switch(imapc->state) {
- /* States which are interested in untagged responses */
- case IMAP_CAPABILITY:
- if(!imap_matchresp(line, len, "CAPABILITY"))
- return FALSE;
- break;
-
- case IMAP_LIST:
- if((!imap->custom && !imap_matchresp(line, len, "LIST")) ||
- (imap->custom && !imap_matchresp(line, len, imap->custom) &&
- (strcmp(imap->custom, "STORE") ||
- !imap_matchresp(line, len, "FETCH")) &&
- strcmp(imap->custom, "SELECT") &&
- 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;
-
- case IMAP_SELECT:
- /* SELECT is special in that its untagged responses do not have a
- common prefix so accept anything! */
- break;
-
- case IMAP_FETCH:
- if(!imap_matchresp(line, len, "FETCH"))
- return FALSE;
- break;
-
- case IMAP_SEARCH:
- if(!imap_matchresp(line, len, "SEARCH"))
- return FALSE;
- break;
-
- /* Ignore other untagged responses */
- default:
- return FALSE;
- }
-
- *resp = '*';
- return TRUE;
- }
-
- /* 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) {
- /* States which are interested in continuation responses */
- case IMAP_AUTHENTICATE_PLAIN:
- case IMAP_AUTHENTICATE_LOGIN:
- case IMAP_AUTHENTICATE_LOGIN_PASSWD:
- case IMAP_AUTHENTICATE_CRAMMD5:
- case IMAP_AUTHENTICATE_DIGESTMD5:
- 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 = '+';
- break;
-
- default:
- failf(conn->data, "Unexpected continuation response");
- *resp = -1;
- break;
- }
-
- return TRUE;
- }
-
- return FALSE; /* Nothing for us */
-}
-
-/***********************************************************************
- *
- * 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!
- */
-static void state(struct connectdata *conn, imapstate newstate)
-{
- struct imap_conn *imapc = &conn->proto.imapc;
-#if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
- /* for debug purposes */
- static const char * const names[]={
- "STOP",
- "SERVERGREET",
- "CAPABILITY",
- "STARTTLS",
- "UPGRADETLS",
- "AUTHENTICATE_PLAIN",
- "AUTHENTICATE_LOGIN",
- "AUTHENTICATE_LOGIN_PASSWD",
- "AUTHENTICATE_CRAMMD5",
- "AUTHENTICATE_DIGESTMD5",
- "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",
- "SELECT",
- "FETCH",
- "FETCH_FINAL",
- "APPEND",
- "APPEND_FINAL",
- "SEARCH",
- "LOGOUT",
- /* LAST */
- };
-
- if(imapc->state != newstate)
- infof(conn->data, "IMAP %p state change from %s to %s\n",
- (void *)imapc, names[imapc->state], names[newstate]);
-#endif
-
- imapc->state = newstate;
-}
-
-/***********************************************************************
- *
- * imap_perform_capability()
- *
- * Sends the CAPABILITY command in order to obtain a list of server side
- * supported capabilities.
- */
-static CURLcode imap_perform_capability(struct connectdata *conn)
-{
- CURLcode result = CURLE_OK;
- struct imap_conn *imapc = &conn->proto.imapc;
-
- imapc->authmechs = 0; /* No known authentication mechanisms yet */
- imapc->authused = 0; /* Clear the authentication mechanism used */
- imapc->tls_supported = FALSE; /* Clear the TLS capability */
-
- /* Send the CAPABILITY command */
- result = imap_sendf(conn, "CAPABILITY");
-
- if(!result)
- state(conn, IMAP_CAPABILITY);
-
- return result;
-}
-
-/***********************************************************************
- *
- * imap_perform_starttls()
- *
- * Sends the STARTTLS command to start the upgrade to TLS.
- */
-static CURLcode imap_perform_starttls(struct connectdata *conn)
-{
- CURLcode result = CURLE_OK;
-
- /* Send the STARTTLS command */
- result = imap_sendf(conn, "STARTTLS");
-
- if(!result)
- state(conn, IMAP_STARTTLS);
-
- return result;
-}
-
-/***********************************************************************
- *
- * imap_perform_upgrade_tls()
- *
- * Performs the upgrade to TLS.
- */
-static CURLcode imap_perform_upgrade_tls(struct connectdata *conn)
-{
- CURLcode result = CURLE_OK;
- struct imap_conn *imapc = &conn->proto.imapc;
-
- /* Start the SSL connection */
- result = Curl_ssl_connect_nonblocking(conn, FIRSTSOCKET, &imapc->ssldone);
-
- if(!result) {
- if(imapc->state != IMAP_UPGRADETLS)
- state(conn, IMAP_UPGRADETLS);
-
- if(imapc->ssldone) {
- imap_to_imaps(conn);
- result = imap_perform_capability(conn);
- }
- }
-
- return result;
-}
-
-/***********************************************************************
- *
- * imap_perform_login()
- *
- * Sends a clear text LOGIN command to authenticate with.
- */
-static CURLcode imap_perform_login(struct connectdata *conn)
-{
- CURLcode result = CURLE_OK;
- char *user;
- char *passwd;
-
- /* Check we have a username and password to authenticate with and end the
- connect phase if we don't */
- if(!conn->bits.user_passwd) {
- state(conn, IMAP_STOP);
-
- return result;
- }
-
- /* Make sure the username and password are in the correct atom format */
- user = imap_atom(conn->user);
- passwd = imap_atom(conn->passwd);
-
- /* Send the LOGIN command */
- result = imap_sendf(conn, "LOGIN %s %s", user ? user : "",
- passwd ? passwd : "");
-
- Curl_safefree(user);
- Curl_safefree(passwd);
-
- if(!result)
- state(conn, IMAP_LOGIN);
-
- return result;
-}
-
-/***********************************************************************
- *
- * imap_perform_authenticate()
- *
- * 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()
- *
- * 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_authentication(struct connectdata *conn)
-{
- CURLcode result = CURLE_OK;
- 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;
-
- /* Check we have a username and password to authenticate with and end the
- connect phase if we don't */
- if(!conn->bits.user_passwd) {
- state(conn, IMAP_STOP);
-
- return result;
- }
-
- /* Calculate the SASL login details */
- result = imap_calc_sasl_details(conn, &mech, &initresp, &len, &state1,
- &state2);
-
- if(!result) {
- if(mech && (imapc->preftype & IMAP_TYPE_SASL)) {
- /* Perform 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 {
- /* Other mechanisms not supported */
- infof(conn->data, "No known authentication mechanisms supported!\n");
- result = CURLE_LOGIN_DENIED;
- }
- }
-
- return result;
-}
-
-/***********************************************************************
- *
- * imap_perform_list()
- *
- * Sends a LIST command or an alternative custom request.
- */
-static CURLcode imap_perform_list(struct connectdata *conn)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
- struct IMAP *imap = data->req.protop;
- char *mailbox;
-
- if(imap->custom)
- /* Send the custom request */
- result = imap_sendf(conn, "%s%s", imap->custom,
- imap->custom_params ? imap->custom_params : "");
- else {
- /* Make sure the mailbox is in the correct atom format */
- mailbox = imap_atom(imap->mailbox ? imap->mailbox : "");
- if(!mailbox)
- return CURLE_OUT_OF_MEMORY;
-
- /* Send the LIST command */
- result = imap_sendf(conn, "LIST \"%s\" *", mailbox);
-
- Curl_safefree(mailbox);
- }
-
- if(!result)
- state(conn, IMAP_LIST);
-
- return result;
-}
-
-/***********************************************************************
- *
- * imap_perform_select()
- *
- * Sends a SELECT command to ask the server to change the selected mailbox.
- */
-static CURLcode imap_perform_select(struct connectdata *conn)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
- struct IMAP *imap = data->req.protop;
- struct imap_conn *imapc = &conn->proto.imapc;
- char *mailbox;
-
- /* Invalidate old information as we are switching mailboxes */
- Curl_safefree(imapc->mailbox);
- Curl_safefree(imapc->mailbox_uidvalidity);
-
- /* Check we have a mailbox */
- if(!imap->mailbox) {
- failf(conn->data, "Cannot SELECT without a mailbox.");
- return CURLE_URL_MALFORMAT;
- }
-
- /* Make sure the mailbox is in the correct atom format */
- mailbox = imap_atom(imap->mailbox);
- if(!mailbox)
- return CURLE_OUT_OF_MEMORY;
-
- /* Send the SELECT command */
- result = imap_sendf(conn, "SELECT %s", mailbox);
-
- Curl_safefree(mailbox);
-
- if(!result)
- state(conn, IMAP_SELECT);
-
- return result;
-}
-
-/***********************************************************************
- *
- * imap_perform_fetch()
- *
- * Sends a FETCH command to initiate the download of a message.
- */
-static CURLcode imap_perform_fetch(struct connectdata *conn)
-{
- CURLcode result = CURLE_OK;
- struct IMAP *imap = conn->data->req.protop;
-
- /* Check we have a UID */
- if(!imap->uid) {
- failf(conn->data, "Cannot FETCH without a UID.");
- return CURLE_URL_MALFORMAT;
- }
-
- /* Send the FETCH command */
- 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);
-
- return result;
-}
-
-/***********************************************************************
- *
- * imap_perform_append()
- *
- * Sends an APPEND command to initiate the upload of a message.
- */
-static CURLcode imap_perform_append(struct connectdata *conn)
-{
- CURLcode result = CURLE_OK;
- struct IMAP *imap = conn->data->req.protop;
- char *mailbox;
-
- /* Check we have a mailbox */
- if(!imap->mailbox) {
- failf(conn->data, "Cannot APPEND without a mailbox.");
- return CURLE_URL_MALFORMAT;
- }
-
- /* Check we know the size of the upload */
- if(conn->data->state.infilesize < 0) {
- failf(conn->data, "Cannot APPEND with unknown input file size\n");
- return CURLE_UPLOAD_FAILED;
- }
-
- /* Make sure the mailbox is in the correct atom format */
- mailbox = imap_atom(imap->mailbox);
- if(!mailbox)
- return CURLE_OUT_OF_MEMORY;
-
- /* Send the APPEND command */
- result = imap_sendf(conn, "APPEND %s (\\Seen) {%" CURL_FORMAT_CURL_OFF_T "}",
- mailbox, conn->data->state.infilesize);
-
- Curl_safefree(mailbox);
-
- if(!result)
- state(conn, IMAP_APPEND);
-
- return result;
-}
-
-/***********************************************************************
- *
- * 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.
- */
-static CURLcode imap_perform_logout(struct connectdata *conn)
-{
- CURLcode result = CURLE_OK;
-
- /* Send the LOGOUT command */
- result = imap_sendf(conn, "LOGOUT");
-
- if(!result)
- state(conn, IMAP_LOGOUT);
-
- return result;
-}
-
-/* For the initial server greeting */
-static CURLcode imap_state_servergreet_resp(struct connectdata *conn,
- int imapcode,
- imapstate instate)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
-
- (void)instate; /* no use for this yet */
-
- if(imapcode != 'O') {
- failf(data, "Got unexpected imap-server response");
- result = CURLE_FTP_WEIRD_SERVER_REPLY; /* TODO: fix this code */
- }
- else
- result = imap_perform_capability(conn);
-
- return result;
-}
-
-/* For CAPABILITY responses */
-static CURLcode imap_state_capability_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 *line = data->state.buffer;
- size_t wordlen;
-
- (void)instate; /* no use for this yet */
-
- /* Do we have a untagged response? */
- if(imapcode == '*') {
- line += 2;
-
- /* Loop through the data line */
- for(;;) {
- while(*line &&
- (*line == ' ' || *line == '\t' ||
- *line == '\r' || *line == '\n')) {
-
- line++;
- }
-
- if(!*line)
- break;
-
- /* Extract the word */
- for(wordlen = 0; line[wordlen] && line[wordlen] != ' ' &&
- line[wordlen] != '\t' && line[wordlen] != '\r' &&
- line[wordlen] != '\n';)
- wordlen++;
-
- /* Does the server support the STARTTLS capability? */
- if(wordlen == 8 && !memcmp(line, "STARTTLS", 8))
- imapc->tls_supported = TRUE;
-
- /* Has the server explicitly disabled clear text authentication? */
- else if(wordlen == 13 && !memcmp(line, "LOGINDISABLED", 13))
- imapc->login_disabled = TRUE;
-
- /* Does the server support the SASL-IR capability? */
- else if(wordlen == 7 && !memcmp(line, "SASL-IR", 7))
- imapc->ir_supported = TRUE;
-
- /* Do we have a SASL based authentication mechanism? */
- else if(wordlen > 5 && !memcmp(line, "AUTH=", 5)) {
- line += 5;
- wordlen -= 5;
-
- /* Test the word for a matching authentication mechanism */
- if(sasl_mech_equal(line, wordlen, SASL_MECH_STRING_LOGIN))
- imapc->authmechs |= SASL_MECH_LOGIN;
- else if(sasl_mech_equal(line, wordlen, SASL_MECH_STRING_PLAIN))
- imapc->authmechs |= SASL_MECH_PLAIN;
- else if(sasl_mech_equal(line, wordlen, SASL_MECH_STRING_CRAM_MD5))
- imapc->authmechs |= SASL_MECH_CRAM_MD5;
- else if(sasl_mech_equal(line, wordlen, SASL_MECH_STRING_DIGEST_MD5))
- imapc->authmechs |= SASL_MECH_DIGEST_MD5;
- else if(sasl_mech_equal(line, wordlen, SASL_MECH_STRING_GSSAPI))
- imapc->authmechs |= SASL_MECH_GSSAPI;
- else if(sasl_mech_equal(line, wordlen, SASL_MECH_STRING_EXTERNAL))
- imapc->authmechs |= SASL_MECH_EXTERNAL;
- 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;
- }
- }
- else if(imapcode == 'O') {
- if(data->set.use_ssl && !conn->ssl[FIRSTSOCKET].use) {
- /* We don't have a SSL/TLS connection yet, but SSL is requested */
- if(imapc->tls_supported)
- /* Switch to TLS connection now */
- result = imap_perform_starttls(conn);
- else if(data->set.use_ssl == CURLUSESSL_TRY)
- /* Fallback and carry on with authentication */
- result = imap_perform_authentication(conn);
- else {
- failf(data, "STARTTLS not supported.");
- result = CURLE_USE_SSL_FAILED;
- }
- }
- else
- result = imap_perform_authentication(conn);
- }
- else
- result = imap_perform_authentication(conn);
-
- return result;
-}
-
-/* For STARTTLS responses */
-static CURLcode imap_state_starttls_resp(struct connectdata *conn,
- int imapcode,
- imapstate instate)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
-
- (void)instate; /* no use for this yet */
-
- if(imapcode != 'O') {
- if(data->set.use_ssl != CURLUSESSL_TRY) {
- failf(data, "STARTTLS denied. %c", imapcode);
- result = CURLE_USE_SSL_FAILED;
- }
- else
- result = imap_perform_authentication(conn);
- }
- else
- result = imap_perform_upgrade_tls(conn);
-
- return result;
-}
-
-/* For AUTHENTICATE PLAIN (without initial response) responses */
-static CURLcode imap_state_auth_plain_resp(struct connectdata *conn,
- int imapcode,
- imapstate instate)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
- size_t len = 0;
- char *plainauth = NULL;
-
- (void)instate; /* no use for this yet */
-
- if(imapcode != '+') {
- failf(data, "Access denied. %c", imapcode);
- result = CURLE_LOGIN_DENIED;
- }
- else {
- /* 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);
-
- if(!result)
- state(conn, IMAP_AUTHENTICATE_FINAL);
- }
- }
-
- Curl_safefree(plainauth);
-
- return result;
-}
-
-/* For AUTHENTICATE LOGIN (without initial response) responses */
-static CURLcode imap_state_auth_login_resp(struct connectdata *conn,
- int imapcode,
- imapstate instate)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
- size_t len = 0;
- char *authuser = NULL;
-
- (void)instate; /* no use for this yet */
-
- if(imapcode != '+') {
- failf(data, "Access denied: %d", imapcode);
- result = CURLE_LOGIN_DENIED;
- }
- else {
- /* 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);
-
- if(!result)
- state(conn, IMAP_AUTHENTICATE_LOGIN_PASSWD);
- }
- }
-
- Curl_safefree(authuser);
-
- return result;
-}
-
-/* For AUTHENTICATE LOGIN user entry responses */
-static CURLcode imap_state_auth_login_password_resp(struct connectdata *conn,
- int imapcode,
- imapstate instate)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
- size_t len = 0;
- char *authpasswd = NULL;
-
- (void)instate; /* no use for this yet */
-
- if(imapcode != '+') {
- failf(data, "Access denied: %d", imapcode);
- result = CURLE_LOGIN_DENIED;
- }
- else {
- /* 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);
-
- if(!result)
- state(conn, IMAP_AUTHENTICATE_FINAL);
- }
- }
-
- Curl_safefree(authpasswd);
-
- return result;
-}
-
-#ifndef CURL_DISABLE_CRYPTO_AUTH
-/* For AUTHENTICATE CRAM-MD5 responses */
-static CURLcode imap_state_auth_cram_resp(struct connectdata *conn,
- int imapcode,
- imapstate instate)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
- char *chlg = NULL;
- char *chlg64 = NULL;
- char *rplyb64 = NULL;
- size_t len = 0;
-
- (void)instate; /* no use for this yet */
-
- if(imapcode != '+') {
- failf(data, "Access denied: %d", imapcode);
- return CURLE_LOGIN_DENIED;
- }
-
- /* Get the challenge message */
- imap_get_message(data->state.buffer, &chlg64);
-
- /* 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(!result)
- state(conn, IMAP_AUTHENTICATE_CANCEL);
- }
- 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(chlg);
- Curl_safefree(rplyb64);
-
- return result;
-}
-
-/* For AUTHENTICATE DIGEST-MD5 challenge responses */
-static CURLcode imap_state_auth_digest_resp(struct connectdata *conn,
- int imapcode,
- imapstate instate)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
- char *chlg64 = NULL;
- char *rplyb64 = NULL;
- size_t len = 0;
-
- (void)instate; /* no use for this yet */
-
- if(imapcode != '+') {
- failf(data, "Access denied: %d", imapcode);
- return CURLE_LOGIN_DENIED;
- }
-
- /* 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);
- 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 */
- result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", rplyb64);
-
- if(!result)
- state(conn, IMAP_AUTHENTICATE_DIGESTMD5_RESP);
- }
-
- Curl_safefree(rplyb64);
-
- return result;
-}
-
-/* For AUTHENTICATE DIGEST-MD5 challenge-response responses */
-static CURLcode imap_state_auth_digest_resp_resp(struct connectdata *conn,
- int imapcode,
- imapstate instate)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
-
- (void)instate; /* no use for this yet */
-
- if(imapcode != '+') {
- failf(data, "Authentication failed: %d", imapcode);
- result = CURLE_LOGIN_DENIED;
- }
- else {
- /* Send an empty response */
- result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", "");
-
- if(!result)
- state(conn, IMAP_AUTHENTICATE_FINAL);
- }
-
- return result;
-}
-#endif
-
-#ifdef USE_NTLM
-/* For AUTHENTICATE NTLM (without initial response) responses */
-static CURLcode imap_state_auth_ntlm_resp(struct connectdata *conn,
- int imapcode,
- imapstate instate)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
- size_t len = 0;
- char *type1msg = NULL;
-
- (void)instate; /* no use for this yet */
-
- if(imapcode != '+') {
- failf(data, "Access denied: %d", imapcode);
- result = CURLE_LOGIN_DENIED;
- }
- else {
- /* Create the type-1 message */
- 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);
-
- if(!result)
- state(conn, IMAP_AUTHENTICATE_NTLM_TYPE2MSG);
- }
- }
-
- Curl_safefree(type1msg);
-
- return result;
-}
-
-/* For NTLM type-2 responses (sent in reponse to our type-1 message) */
-static CURLcode imap_state_auth_ntlm_type2msg_resp(struct connectdata *conn,
- int imapcode,
- imapstate instate)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
- char *type2msg = NULL;
- char *type3msg = 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, &type2msg);
-
- /* 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_WINDOWS_SSPI)
-/* 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);
-
- if(!result)
- state(conn, IMAP_AUTHENTICATE_FINAL);
- }
- }
- }
-
- Curl_safefree(respmsg);
-
- return result;
-}
-#endif
-
-/* 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;
-
- (void)instate; /* no use for this yet */
-
- if(imapcode != 'O') {
- failf(data, "Authentication failed: %d", imapcode);
- result = CURLE_LOGIN_DENIED;
- }
- else
- /* End of connect phase */
- state(conn, IMAP_STOP);
-
- return result;
-}
-
-/* For LOGIN responses */
-static CURLcode imap_state_login_resp(struct connectdata *conn,
- int imapcode,
- imapstate instate)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
-
- (void)instate; /* no use for this yet */
-
- if(imapcode != 'O') {
- failf(data, "Access denied. %c", imapcode);
- result = CURLE_LOGIN_DENIED;
- }
- else
- /* End of connect phase */
- state(conn, IMAP_STOP);
-
- return result;
-}
-
-/* For LIST responses */
-static CURLcode imap_state_list_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;
-}
-
-/* For SELECT responses */
-static CURLcode imap_state_select_resp(struct connectdata *conn, int imapcode,
- imapstate instate)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
- struct IMAP *imap = conn->data->req.protop;
- struct imap_conn *imapc = &conn->proto.imapc;
- const char *line = data->state.buffer;
- char tmp[20];
-
- (void)instate; /* no use for this yet */
-
- if(imapcode == '*') {
- /* See if this is an UIDVALIDITY response */
- if(sscanf(line + 2, "OK [UIDVALIDITY %19[0123456789]]", tmp) == 1) {
- Curl_safefree(imapc->mailbox_uidvalidity);
- imapc->mailbox_uidvalidity = strdup(tmp);
- }
- }
- else if(imapcode == 'O') {
- /* Check if the UIDVALIDITY has been specified and matches */
- if(imap->uidvalidity && imapc->mailbox_uidvalidity &&
- strcmp(imap->uidvalidity, imapc->mailbox_uidvalidity)) {
- failf(conn->data, "Mailbox UIDVALIDITY has changed");
- result = CURLE_REMOTE_FILE_NOT_FOUND;
- }
- else {
- /* Note the currently opened mailbox on this connection */
- imapc->mailbox = strdup(imap->mailbox);
-
- if(imap->custom)
- result = imap_perform_list(conn);
- else if(imap->query)
- result = imap_perform_search(conn);
- else
- result = imap_perform_fetch(conn);
- }
- }
- else {
- failf(data, "Select failed");
- result = CURLE_LOGIN_DENIED;
- }
-
- return result;
-}
-
-/* For the (first line of the) FETCH responses */
-static CURLcode imap_state_fetch_resp(struct connectdata *conn, int imapcode,
- imapstate instate)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
- struct imap_conn *imapc = &conn->proto.imapc;
- struct pingpong *pp = &imapc->pp;
- const char *ptr = data->state.buffer;
- bool parsed = FALSE;
- curl_off_t size;
-
- (void)instate; /* no use for this yet */
-
- if(imapcode != '*') {
- Curl_pgrsSetDownloadSize(data, -1);
- state(conn, IMAP_STOP);
- return CURLE_REMOTE_FILE_NOT_FOUND; /* TODO: Fix error code */
- }
-
- /* Something like this is received "* 1 FETCH (BODY[TEXT] {2021}\r" so parse
- the continuation data contained within the curly brackets */
- while(*ptr && (*ptr != '{'))
- ptr++;
-
- if(*ptr == '{') {
- char *endptr;
- size = curlx_strtoofft(ptr + 1, &endptr, 10);
- if(endptr - ptr > 1 && endptr[0] == '}' &&
- endptr[1] == '\r' && endptr[2] == '\0')
- parsed = TRUE;
- }
-
- if(parsed) {
- infof(data, "Found %" CURL_FORMAT_CURL_OFF_TU " bytes to download\n",
- size);
- Curl_pgrsSetDownloadSize(data, size);
-
- if(pp->cache) {
- /* At this point there is a bunch of data in the header "cache" that is
- actually body content, send it as body and then skip it. Do note
- that there may even be additional "headers" after the body. */
- size_t chunk = pp->cache_size;
-
- if(chunk > (size_t)size)
- /* The conversion from curl_off_t to size_t is always fine here */
- chunk = (size_t)size;
-
- result = Curl_client_write(conn, CLIENTWRITE_BODY, pp->cache, chunk);
- if(result)
- return result;
-
- data->req.bytecount += chunk;
-
- 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) {
- /* Only part of it so shrink the cache to fit the trailing data */
- memmove(pp->cache, pp->cache + chunk, pp->cache_size - chunk);
- pp->cache_size -= chunk;
- }
- else {
- /* Free the cache */
- Curl_safefree(pp->cache);
-
- /* Reset the cache size */
- pp->cache_size = 0;
- }
- }
-
- if(data->req.bytecount == size)
- /* The entire data is already transferred! */
- Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
- else {
- /* IMAP download */
- data->req.maxdownload = size;
- Curl_setup_transfer(conn, FIRSTSOCKET, size, FALSE, NULL, -1, NULL);
- }
- }
- else {
- /* We don't know how to parse this line */
- failf(pp->conn->data, "Failed to parse FETCH response.");
- result = CURLE_FTP_WEIRD_SERVER_REPLY; /* TODO: fix this code */
- }
-
- /* End of DO phase */
- state(conn, IMAP_STOP);
-
- return result;
-}
-
-/* For final FETCH responses performed after the download */
-static CURLcode imap_state_fetch_final_resp(struct connectdata *conn,
- int imapcode,
- imapstate instate)
-{
- CURLcode result = CURLE_OK;
-
- (void)instate; /* No use for this yet */
-
- if(imapcode != 'O')
- result = CURLE_FTP_WEIRD_SERVER_REPLY; /* TODO: Fix error code */
- else
- /* End of DONE phase */
- state(conn, IMAP_STOP);
-
- return result;
-}
-
-/* For APPEND responses */
-static CURLcode imap_state_append_resp(struct connectdata *conn, int imapcode,
- imapstate instate)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
-
- (void)instate; /* No use for this yet */
-
- if(imapcode != '+') {
- result = CURLE_UPLOAD_FAILED;
- }
- else {
- /* Set the progress upload size */
- Curl_pgrsSetUploadSize(data, data->state.infilesize);
-
- /* IMAP upload */
- Curl_setup_transfer(conn, -1, -1, FALSE, NULL, FIRSTSOCKET, NULL);
-
- /* End of DO phase */
- state(conn, IMAP_STOP);
- }
-
- return result;
-}
-
-/* For final APPEND responses performed after the upload */
-static CURLcode imap_state_append_final_resp(struct connectdata *conn,
- int imapcode,
- imapstate instate)
-{
- CURLcode result = CURLE_OK;
-
- (void)instate; /* No use for this yet */
-
- if(imapcode != 'O')
- result = CURLE_UPLOAD_FAILED;
- else
- /* End of DONE phase */
- state(conn, IMAP_STOP);
-
- 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;
- curl_socket_t sock = conn->sock[FIRSTSOCKET];
- int imapcode;
- struct imap_conn *imapc = &conn->proto.imapc;
- struct pingpong *pp = &imapc->pp;
- size_t nread = 0;
-
- /* Busy upgrading the connection; right now all I/O is SSL/TLS, not IMAP */
- if(imapc->state == IMAP_UPGRADETLS)
- return imap_perform_upgrade_tls(conn);
-
- /* Flush any data that needs to be sent */
- if(pp->sendleft)
- return Curl_pp_flushsend(pp);
-
- do {
- /* Read the response from the server */
- result = Curl_pp_readresp(sock, pp, &imapcode, &nread);
- if(result)
- return result;
-
- /* Was there an error parsing the response line? */
- if(imapcode == -1)
- return CURLE_FTP_WEIRD_SERVER_REPLY;
-
- if(!imapcode)
- break;
-
- /* We have now received a full IMAP server response */
- switch(imapc->state) {
- case IMAP_SERVERGREET:
- result = imap_state_servergreet_resp(conn, imapcode, imapc->state);
- break;
-
- case IMAP_CAPABILITY:
- result = imap_state_capability_resp(conn, imapcode, imapc->state);
- break;
-
- case IMAP_STARTTLS:
- result = imap_state_starttls_resp(conn, imapcode, imapc->state);
- break;
-
- case IMAP_AUTHENTICATE_PLAIN:
- result = imap_state_auth_plain_resp(conn, imapcode, imapc->state);
- break;
-
- case IMAP_AUTHENTICATE_LOGIN:
- result = imap_state_auth_login_resp(conn, imapcode, imapc->state);
- break;
-
- case IMAP_AUTHENTICATE_LOGIN_PASSWD:
- result = imap_state_auth_login_password_resp(conn, imapcode,
- imapc->state);
- break;
-
-#ifndef CURL_DISABLE_CRYPTO_AUTH
- case IMAP_AUTHENTICATE_CRAMMD5:
- result = imap_state_auth_cram_resp(conn, imapcode, imapc->state);
- break;
-
- case IMAP_AUTHENTICATE_DIGESTMD5:
- result = imap_state_auth_digest_resp(conn, imapcode, imapc->state);
- break;
-
- case IMAP_AUTHENTICATE_DIGESTMD5_RESP:
- result = imap_state_auth_digest_resp_resp(conn, imapcode, imapc->state);
- break;
-#endif
-
-#ifdef USE_NTLM
- case IMAP_AUTHENTICATE_NTLM:
- result = imap_state_auth_ntlm_resp(conn, imapcode, imapc->state);
- break;
-
- case IMAP_AUTHENTICATE_NTLM_TYPE2MSG:
- result = imap_state_auth_ntlm_type2msg_resp(conn, imapcode,
- imapc->state);
- break;
-#endif
-
-#if defined(USE_WINDOWS_SSPI)
- 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;
-
- case IMAP_LOGIN:
- result = imap_state_login_resp(conn, imapcode, imapc->state);
- break;
-
- case IMAP_LIST:
- result = imap_state_list_resp(conn, imapcode, imapc->state);
- break;
-
- case IMAP_SELECT:
- result = imap_state_select_resp(conn, imapcode, imapc->state);
- break;
-
- case IMAP_FETCH:
- result = imap_state_fetch_resp(conn, imapcode, imapc->state);
- break;
-
- case IMAP_FETCH_FINAL:
- result = imap_state_fetch_final_resp(conn, imapcode, imapc->state);
- break;
-
- case IMAP_APPEND:
- result = imap_state_append_resp(conn, imapcode, imapc->state);
- break;
-
- case IMAP_APPEND_FINAL:
- 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:
- /* internal error */
- state(conn, IMAP_STOP);
- break;
- }
- } while(!result && imapc->state != IMAP_STOP && Curl_pp_moredata(pp));
-
- return result;
-}
-
-/* Called repeatedly until done from multi.c */
-static CURLcode imap_multi_statemach(struct connectdata *conn, bool *done)
-{
- CURLcode result = CURLE_OK;
- struct imap_conn *imapc = &conn->proto.imapc;
-
- if((conn->handler->flags & PROTOPT_SSL) && !imapc->ssldone) {
- result = Curl_ssl_connect_nonblocking(conn, FIRSTSOCKET, &imapc->ssldone);
- if(result || !imapc->ssldone)
- return result;
- }
-
- result = Curl_pp_statemach(&imapc->pp, FALSE);
- *done = (imapc->state == IMAP_STOP) ? TRUE : FALSE;
-
- return result;
-}
-
-static CURLcode imap_block_statemach(struct connectdata *conn)
-{
- CURLcode result = CURLE_OK;
- struct imap_conn *imapc = &conn->proto.imapc;
-
- while(imapc->state != IMAP_STOP && !result)
- result = Curl_pp_statemach(&imapc->pp, TRUE);
-
- return result;
-}
-
-/* Allocate and initialize the struct IMAP for the current SessionHandle if
- required */
-static CURLcode imap_init(struct connectdata *conn)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
- struct IMAP *imap;
-
- imap = data->req.protop = calloc(sizeof(struct IMAP), 1);
- if(!imap)
- result = CURLE_OUT_OF_MEMORY;
-
- return result;
-}
-
-/* For the IMAP "protocol connect" and "doing" phases only */
-static int imap_getsock(struct connectdata *conn, curl_socket_t *socks,
- int numsocks)
-{
- return Curl_pp_getsock(&conn->proto.imapc.pp, socks, numsocks);
-}
-
-/***********************************************************************
- *
- * imap_connect()
- *
- * This function should do everything that is to be considered a part of the
- * connection phase.
- *
- * The variable 'done' points to will be TRUE if the protocol-layer connect
- * phase is done when this function returns, or FALSE if not.
- */
-static CURLcode imap_connect(struct connectdata *conn, bool *done)
-{
- CURLcode result = CURLE_OK;
- struct imap_conn *imapc = &conn->proto.imapc;
- struct pingpong *pp = &imapc->pp;
-
- *done = FALSE; /* default to not done yet */
-
- /* We always support persistent connections in IMAP */
- connkeep(conn, "IMAP default");
-
- /* Set the default response time-out */
- pp->response_time = RESP_TIMEOUT;
- pp->statemach_act = imap_statemach_act;
- pp->endofresp = imap_endofresp;
- pp->conn = conn;
-
- /* Set the default preferred authentication type and mechanism */
- imapc->preftype = IMAP_TYPE_ANY;
- imapc->prefmech = SASL_AUTH_ANY;
-
- /* Initialise the pingpong layer */
- Curl_pp_init(pp);
-
- /* Parse the URL options */
- result = imap_parse_url_options(conn);
- if(result)
- return result;
-
- /* Start off waiting for the server greeting response */
- state(conn, IMAP_SERVERGREET);
-
- /* Start off with an response id of '*' */
- strcpy(imapc->resptag, "*");
-
- result = imap_multi_statemach(conn, done);
-
- return result;
-}
-
-/***********************************************************************
- *
- * imap_done()
- *
- * The DONE function. This does what needs to be done after a single DO has
- * performed.
- *
- * Input argument is already checked for validity.
- */
-static CURLcode imap_done(struct connectdata *conn, CURLcode status,
- bool premature)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
- struct IMAP *imap = data->req.protop;
-
- (void)premature;
-
- if(!imap)
- /* When the easy handle is removed from the multi interface while libcurl
- is still trying to resolve the host name, the IMAP struct is not yet
- initialized. However, the removal action calls Curl_done() which in
- turn calls this function, so we simply return success. */
- return CURLE_OK;
-
- if(status) {
- 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 &&
- (imap->uid || data->set.upload)) {
- /* Handle responses after FETCH or APPEND transfer has finished */
- if(!data->set.upload)
- state(conn, IMAP_FETCH_FINAL);
- else {
- /* End the APPEND command first by sending an empty line */
- result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", "");
- if(!result)
- state(conn, IMAP_APPEND_FINAL);
- }
-
- /* Run the state-machine
-
- TODO: when the multi interface is used, this _really_ should be using
- the imap_multi_statemach function but we have no general support for
- non-blocking DONE operations, not in the multi state machine and with
- Curl_done() invokes on several places in the code!
- */
- if(!result)
- result = imap_block_statemach(conn);
- }
-
- /* Cleanup our per-request based variables */
- Curl_safefree(imap->mailbox);
- 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);
-
- /* Clear the transfer mode for the next request */
- imap->transfer = FTPTRANSFER_BODY;
-
- return result;
-}
-
-/***********************************************************************
- *
- * imap_perform()
- *
- * This is the actual DO function for IMAP. Fetch or append a message, or do
- * other things according to the options previously setup.
- */
-static CURLcode imap_perform(struct connectdata *conn, bool *connected,
- bool *dophase_done)
-{
- /* This is IMAP and no proxy */
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
- struct IMAP *imap = data->req.protop;
- struct imap_conn *imapc = &conn->proto.imapc;
- bool selected = FALSE;
-
- DEBUGF(infof(conn->data, "DO phase starts\n"));
-
- if(conn->data->set.opt_no_body) {
- /* Requested no body means no transfer */
- imap->transfer = FTPTRANSFER_INFO;
- }
-
- *dophase_done = FALSE; /* not done yet */
-
- /* Determine if the requested mailbox (with the same UIDVALIDITY if set)
- has already been selected on this connection */
- if(imap->mailbox && imapc->mailbox &&
- !strcmp(imap->mailbox, imapc->mailbox) &&
- (!imap->uidvalidity || !imapc->mailbox_uidvalidity ||
- !strcmp(imap->uidvalidity, imapc->mailbox_uidvalidity)))
- selected = TRUE;
-
- /* Start the first command in the DO phase */
- if(conn->data->set.upload)
- /* APPEND can be executed directly */
- result = imap_perform_append(conn);
- else if(imap->custom && (selected || !imap->mailbox))
- /* Custom command using the same mailbox or no mailbox */
- result = imap_perform_list(conn);
- else if(!imap->custom && selected && imap->uid)
- /* FETCH from the same mailbox */
- result = imap_perform_fetch(conn);
- 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
- /* LIST */
- result = imap_perform_list(conn);
-
- if(result)
- return result;
-
- /* Run the state-machine */
- result = imap_multi_statemach(conn, dophase_done);
-
- *connected = conn->bits.tcpconnect[FIRSTSOCKET];
-
- if(*dophase_done)
- DEBUGF(infof(conn->data, "DO phase is complete\n"));
-
- return result;
-}
-
-/***********************************************************************
- *
- * imap_do()
- *
- * This function is registered as 'curl_do' function. It decodes the path
- * parts etc as a wrapper to the actual DO function (imap_perform).
- *
- * The input argument is already checked for validity.
- */
-static CURLcode imap_do(struct connectdata *conn, bool *done)
-{
- CURLcode result = CURLE_OK;
-
- *done = FALSE; /* default to false */
-
- /* Parse the URL path */
- result = imap_parse_url_path(conn);
- if(result)
- return result;
-
- /* Parse the custom request */
- result = imap_parse_custom_request(conn);
- if(result)
- return result;
-
- result = imap_regular_transfer(conn, done);
-
- return result;
-}
-
-/***********************************************************************
- *
- * imap_disconnect()
- *
- * Disconnect from an IMAP server. Cleanup protocol-specific per-connection
- * resources. BLOCKING.
- */
-static CURLcode imap_disconnect(struct connectdata *conn, bool dead_connection)
-{
- struct imap_conn *imapc = &conn->proto.imapc;
-
- /* We cannot send quit unconditionally. If this connection is stale or
- bad in any way, sending quit and waiting around here will make the
- disconnect wait in vain and cause more problems than we need to. */
-
- /* The IMAP session may or may not have been allocated/setup at this
- point! */
- 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 */
-
- /* Disconnect from the server */
- Curl_pp_disconnect(&imapc->pp);
-
- /* Cleanup the SASL module */
- Curl_sasl_cleanup(conn, imapc->authused);
-
- /* Cleanup our connection based variables */
- Curl_safefree(imapc->mailbox);
- Curl_safefree(imapc->mailbox_uidvalidity);
-
- return CURLE_OK;
-}
-
-/* Call this when the DO phase has completed */
-static CURLcode imap_dophase_done(struct connectdata *conn, bool connected)
-{
- struct IMAP *imap = conn->data->req.protop;
-
- (void)connected;
-
- if(imap->transfer != FTPTRANSFER_BODY)
- /* no data to transfer */
- Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
-
- return CURLE_OK;
-}
-
-/* Called from multi.c while DOing */
-static CURLcode imap_doing(struct connectdata *conn, bool *dophase_done)
-{
- CURLcode result = imap_multi_statemach(conn, dophase_done);
-
- if(result)
- DEBUGF(infof(conn->data, "DO phase failed\n"));
- else if(*dophase_done) {
- result = imap_dophase_done(conn, FALSE /* not connected */);
-
- DEBUGF(infof(conn->data, "DO phase is complete\n"));
- }
-
- return result;
-}
-
-/***********************************************************************
- *
- * imap_regular_transfer()
- *
- * The input argument is already checked for validity.
- *
- * Performs all commands done before a regular transfer between a local and a
- * remote host.
- */
-static CURLcode imap_regular_transfer(struct connectdata *conn,
- bool *dophase_done)
-{
- CURLcode result = CURLE_OK;
- bool connected = FALSE;
- struct SessionHandle *data = conn->data;
-
- /* Make sure size is unknown at this point */
- data->req.size = -1;
-
- /* Set the progress data */
- Curl_pgrsSetUploadCounter(data, 0);
- Curl_pgrsSetDownloadCounter(data, 0);
- Curl_pgrsSetUploadSize(data, -1);
- Curl_pgrsSetDownloadSize(data, -1);
-
- /* Carry out the perform */
- result = imap_perform(conn, &connected, dophase_done);
-
- /* Perform post DO phase operations if necessary */
- if(!result && *dophase_done)
- result = imap_dophase_done(conn, connected);
-
- return result;
-}
-
-static CURLcode imap_setup_connection(struct connectdata *conn)
-{
- 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 */
-#ifndef CURL_DISABLE_HTTP
- if(conn->handler == &Curl_handler_imap)
- conn->handler = &Curl_handler_imap_proxy;
- else {
-#ifdef USE_SSL
- conn->handler = &Curl_handler_imaps_proxy;
-#else
- failf(data, "IMAPS not supported!");
- return CURLE_UNSUPPORTED_PROTOCOL;
-#endif
- }
-
- /* 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;
-#endif
- }
-
- data->state.path++; /* don't include the initial slash */
-
- return CURLE_OK;
-}
-
-/***********************************************************************
- *
- * imap_sendf()
- *
- * Sends the formated string as an IMAP command to the server.
- *
- * Designed to never block.
- */
-static CURLcode imap_sendf(struct connectdata *conn, const char *fmt, ...)
-{
- CURLcode result = CURLE_OK;
- struct imap_conn *imapc = &conn->proto.imapc;
- char *taggedfmt;
- va_list ap;
-
- DEBUGASSERT(fmt);
-
- /* Calculate the next command ID wrapping at 3 digits */
- imapc->cmdid = (imapc->cmdid + 1) % 1000;
-
- /* Calculate the tag based on the connection ID and command ID */
- snprintf(imapc->resptag, sizeof(imapc->resptag), "%c%03d",
- 'A' + curlx_sltosi(conn->connection_id % 26), imapc->cmdid);
-
- /* Prefix the format with the tag */
- taggedfmt = aprintf("%s %s", imapc->resptag, fmt);
- if(!taggedfmt)
- return CURLE_OUT_OF_MEMORY;
-
- /* Send the data with the tag */
- va_start(ap, fmt);
- result = Curl_pp_vsendf(&imapc->pp, taggedfmt, ap);
- va_end(ap);
-
- Curl_safefree(taggedfmt);
-
- return result;
-}
-
-/***********************************************************************
- *
- * imap_atom()
- *
- * Checks the input string for characters that need escaping and returns an
- * atom ready for sending to the server.
- *
- * The returned string needs to be freed.
- *
- */
-static char *imap_atom(const char *str)
-{
- const char *p1;
- char *p2;
- size_t backsp_count = 0;
- size_t quote_count = 0;
- bool space_exists = FALSE;
- size_t newlen = 0;
- char *newstr = NULL;
-
- if(!str)
- return NULL;
-
- /* Count any unescapped characters */
- p1 = str;
- while(*p1) {
- if(*p1 == '\\')
- backsp_count++;
- else if(*p1 == '"')
- quote_count++;
- else if(*p1 == ' ')
- space_exists = TRUE;
-
- p1++;
- }
-
- /* Does the input contain any unescapped characters? */
- if(!backsp_count && !quote_count && !space_exists)
- return strdup(str);
-
- /* Calculate the new string length */
- newlen = strlen(str) + backsp_count + quote_count + (space_exists ? 2 : 0);
-
- /* Allocate the new string */
- newstr = (char *) malloc((newlen + 1) * sizeof(char));
- if(!newstr)
- return NULL;
-
- /* Surround the string in quotes if necessary */
- p2 = newstr;
- if(space_exists) {
- newstr[0] = '"';
- newstr[newlen - 1] = '"';
- p2++;
- }
-
- /* Copy the string, escaping backslash and quote characters along the way */
- p1 = str;
- while(*p1) {
- if(*p1 == '\\' || *p1 == '"') {
- *p2 = '\\';
- p2++;
- }
-
- *p2 = *p1;
-
- p1++;
- p2++;
- }
-
- /* Terminate the string */
- newstr[newlen] = '\0';
-
- return newstr;
-}
-
-/***********************************************************************
- *
- * imap_is_bchar()
- *
- * Portable test of whether the specified char is a "bchar" as defined in the
- * grammar of RFC-5092.
- */
-static bool imap_is_bchar(char ch)
-{
- switch(ch) {
- /* bchar */
- case ':': case '@': case '/':
- /* bchar -> achar */
- case '&': case '=':
- /* bchar -> achar -> uchar -> unreserved */
- case '0': case '1': case '2': case '3': case '4': case '5': case '6':
- case '7': case '8': case '9':
- case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
- case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
- case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
- case 'V': case 'W': case 'X': case 'Y': case 'Z':
- case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
- case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
- case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
- case 'v': case 'w': case 'x': case 'y': case 'z':
- case '-': case '.': case '_': case '~':
- /* bchar -> achar -> uchar -> sub-delims-sh */
- case '!': case '$': case '\'': case '(': case ')': case '*':
- case '+': case ',':
- /* bchar -> achar -> uchar -> pct-encoded */
- case '%': /* HEXDIG chars are already included above */
- return true;
-
- default:
- return false;
- }
-}
-
-/***********************************************************************
- *
- * imap_parse_url_options()
- *
- * Parse the URL login options.
- */
-static CURLcode imap_parse_url_options(struct connectdata *conn)
-{
- CURLcode result = CURLE_OK;
- struct imap_conn *imapc = &conn->proto.imapc;
- const char *options = conn->options;
- const char *ptr = options;
- bool reset = TRUE;
-
- while(ptr && *ptr) {
- const char *key = ptr;
-
- while(*ptr && *ptr != '=')
- ptr++;
-
- if(strnequal(key, "AUTH", 4)) {
- size_t len = 0;
- const char *value = ++ptr;
-
- 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;
- }
-
- return result;
-}
-
-/***********************************************************************
- *
- * imap_parse_url_path()
- *
- * Parse the URL path into separate path components.
- *
- */
-static CURLcode imap_parse_url_path(struct connectdata *conn)
-{
- /* The imap struct is already initialised in imap_connect() */
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
- struct IMAP *imap = data->req.protop;
- const char *begin = data->state.path;
- const char *ptr = begin;
-
- /* See how much of the URL is a valid path and decode it */
- while(imap_is_bchar(*ptr))
- ptr++;
-
- if(ptr != begin) {
- /* Remove the trailing slash if present */
- const char *end = ptr;
- if(end > begin && end[-1] == '/')
- end--;
-
- result = Curl_urldecode(data, begin, end - begin, &imap->mailbox, NULL,
- TRUE);
- if(result)
- return result;
- }
- else
- imap->mailbox = NULL;
-
- /* There can be any number of parameters in the form ";NAME=VALUE" */
- while(*ptr == ';') {
- char *name;
- char *value;
- size_t valuelen;
-
- /* Find the length of the name parameter */
- begin = ++ptr;
- while(*ptr && *ptr != '=')
- ptr++;
-
- if(!*ptr)
- return CURLE_URL_MALFORMAT;
-
- /* Decode the name parameter */
- result = Curl_urldecode(data, begin, ptr - begin, &name, NULL, TRUE);
- if(result)
- return result;
-
- /* Find the length of the value parameter */
- begin = ++ptr;
- while(imap_is_bchar(*ptr))
- ptr++;
-
- /* Decode the value parameter */
- result = Curl_urldecode(data, begin, ptr - begin, &value, &valuelen, TRUE);
- if(result) {
- Curl_safefree(name);
- return result;
- }
-
- DEBUGF(infof(conn->data, "IMAP URL parameter '%s' = '%s'\n", name, value));
-
- /* 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) {
- if(valuelen > 0 && value[valuelen - 1] == '/')
- value[valuelen - 1] = '\0';
-
- imap->uidvalidity = value;
- value = NULL;
- }
- else if(Curl_raw_equal(name, "UID") && !imap->uid) {
- if(valuelen > 0 && value[valuelen - 1] == '/')
- value[valuelen - 1] = '\0';
-
- imap->uid = value;
- value = NULL;
- }
- else if(Curl_raw_equal(name, "SECTION") && !imap->section) {
- if(valuelen > 0 && value[valuelen - 1] == '/')
- value[valuelen - 1] = '\0';
-
- 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);
-
- return CURLE_URL_MALFORMAT;
- }
-
- Curl_safefree(name);
- 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;
-
- return CURLE_OK;
-}
-
-/***********************************************************************
- *
- * imap_parse_custom_request()
- *
- * Parse the custom request.
- */
-static CURLcode imap_parse_custom_request(struct connectdata *conn)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
- struct IMAP *imap = data->req.protop;
- const char *custom = data->set.str[STRING_CUSTOMREQUEST];
-
- if(custom) {
- /* URL decode the custom request */
- result = Curl_urldecode(data, custom, 0, &imap->custom, NULL, TRUE);
-
- /* Extract the parameters if specified */
- if(!result) {
- const char *params = imap->custom;
-
- while(*params && *params != ' ')
- params++;
-
- if(*params) {
- imap->custom_params = strdup(params);
- imap->custom[params - imap->custom] = '\0';
-
- if(!imap->custom_params)
- result = CURLE_OUT_OF_MEMORY;
- }
- }
- }
-
- 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_WINDOWS_SSPI)
- 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 */