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-rw-r--r--Utilities/cmcurl/lib/imap.c148
1 files changed, 69 insertions, 79 deletions
diff --git a/Utilities/cmcurl/lib/imap.c b/Utilities/cmcurl/lib/imap.c
index e6d83f2..123ea3b 100644
--- a/Utilities/cmcurl/lib/imap.c
+++ b/Utilities/cmcurl/lib/imap.c
@@ -5,11 +5,11 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2016, 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.
+ * are also available at https://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
@@ -80,10 +80,10 @@
#include "rawstr.h"
#include "curl_sasl.h"
#include "warnless.h"
-#include "curl_printf.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
#include "curl_memory.h"
-/* The last #include file should be: */
#include "memdebug.h"
/* Local API functions */
@@ -98,7 +98,7 @@ 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 char *imap_atom(const char *str, bool escape_only);
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);
@@ -227,7 +227,11 @@ static const struct SASLproto saslimap = {
#ifdef USE_SSL
static void imap_to_imaps(struct connectdata *conn)
{
+ /* Change the connection handler */
conn->handler = &Curl_handler_imaps;
+
+ /* Set the connection's upgraded to TLS flag */
+ conn->tls_upgraded = TRUE;
}
#else
#define imap_to_imaps(x) Curl_nop_stmt
@@ -360,8 +364,8 @@ static bool imap_endofresp(struct connectdata *conn, char *line, size_t len,
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))) {
+ if(imap && !imap->custom && ((len == 3 && !memcmp("+", line, 1)) ||
+ (len >= 2 && !memcmp("+ ", line, 2)))) {
switch(imapc->state) {
/* States which are interested in continuation responses */
case IMAP_AUTHENTICATE:
@@ -540,8 +544,8 @@ static CURLcode imap_perform_login(struct connectdata *conn)
}
/* Make sure the username and password are in the correct atom format */
- user = imap_atom(conn->user);
- passwd = imap_atom(conn->passwd);
+ user = imap_atom(conn->user, false);
+ passwd = imap_atom(conn->passwd, false);
/* Send the LOGIN command */
result = imap_sendf(conn, "LOGIN %s %s", user ? user : "",
@@ -644,7 +648,7 @@ static CURLcode imap_perform_authentication(struct connectdata *conn)
static CURLcode imap_perform_list(struct connectdata *conn)
{
CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
struct IMAP *imap = data->req.protop;
char *mailbox;
@@ -653,8 +657,8 @@ static CURLcode imap_perform_list(struct connectdata *conn)
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 : "");
+ /* Make sure the mailbox is in the correct atom format if necessary */
+ mailbox = imap->mailbox ? imap_atom(imap->mailbox, true) : strdup("");
if(!mailbox)
return CURLE_OUT_OF_MEMORY;
@@ -679,7 +683,7 @@ static CURLcode imap_perform_list(struct connectdata *conn)
static CURLcode imap_perform_select(struct connectdata *conn)
{
CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
struct IMAP *imap = data->req.protop;
struct imap_conn *imapc = &conn->proto.imapc;
char *mailbox;
@@ -695,7 +699,7 @@ static CURLcode imap_perform_select(struct connectdata *conn)
}
/* Make sure the mailbox is in the correct atom format */
- mailbox = imap_atom(imap->mailbox);
+ mailbox = imap_atom(imap->mailbox, false);
if(!mailbox)
return CURLE_OUT_OF_MEMORY;
@@ -769,7 +773,7 @@ static CURLcode imap_perform_append(struct connectdata *conn)
}
/* Make sure the mailbox is in the correct atom format */
- mailbox = imap_atom(imap->mailbox);
+ mailbox = imap_atom(imap->mailbox, false);
if(!mailbox)
return CURLE_OUT_OF_MEMORY;
@@ -836,7 +840,7 @@ static CURLcode imap_state_servergreet_resp(struct connectdata *conn,
imapstate instate)
{
CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
(void)instate; /* no use for this yet */
@@ -856,7 +860,7 @@ static CURLcode imap_state_capability_resp(struct connectdata *conn,
imapstate instate)
{
CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
struct imap_conn *imapc = &conn->proto.imapc;
const char *line = data->state.buffer;
size_t wordlen;
@@ -906,8 +910,8 @@ static CURLcode imap_state_capability_resp(struct connectdata *conn,
wordlen -= 5;
/* Test the word for a matching authentication mechanism */
- if((mechbit = Curl_sasl_decode_mech(line, wordlen, &llen)) &&
- llen == wordlen)
+ mechbit = Curl_sasl_decode_mech(line, wordlen, &llen);
+ if(mechbit && llen == wordlen)
imapc->sasl.authmechs |= mechbit;
}
@@ -943,7 +947,7 @@ static CURLcode imap_state_starttls_resp(struct connectdata *conn,
imapstate instate)
{
CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
(void)instate; /* no use for this yet */
@@ -967,7 +971,7 @@ static CURLcode imap_state_auth_resp(struct connectdata *conn,
imapstate instate)
{
CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
struct imap_conn *imapc = &conn->proto.imapc;
saslprogress progress;
@@ -1001,7 +1005,7 @@ static CURLcode imap_state_login_resp(struct connectdata *conn,
imapstate instate)
{
CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
(void)instate; /* no use for this yet */
@@ -1016,9 +1020,10 @@ static CURLcode imap_state_login_resp(struct connectdata *conn,
return result;
}
-/* For LIST responses */
-static CURLcode imap_state_list_resp(struct connectdata *conn, int imapcode,
- imapstate instate)
+/* For LIST and SEARCH responses */
+static CURLcode imap_state_listsearch_resp(struct connectdata *conn,
+ int imapcode,
+ imapstate instate)
{
CURLcode result = CURLE_OK;
char *line = conn->data->state.buffer;
@@ -1046,7 +1051,7 @@ static CURLcode imap_state_select_resp(struct connectdata *conn, int imapcode,
imapstate instate)
{
CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
struct IMAP *imap = conn->data->req.protop;
struct imap_conn *imapc = &conn->proto.imapc;
const char *line = data->state.buffer;
@@ -1093,12 +1098,12 @@ static CURLcode imap_state_fetch_resp(struct connectdata *conn, int imapcode,
imapstate instate)
{
CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *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;
+ curl_off_t size = 0;
(void)instate; /* no use for this yet */
@@ -1206,7 +1211,7 @@ static CURLcode imap_state_append_resp(struct connectdata *conn, int imapcode,
imapstate instate)
{
CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
(void)instate; /* No use for this yet */
@@ -1245,31 +1250,6 @@ static CURLcode imap_state_append_final_resp(struct connectdata *conn,
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;
@@ -1323,7 +1303,7 @@ static CURLcode imap_statemach_act(struct connectdata *conn)
break;
case IMAP_LIST:
- result = imap_state_list_resp(conn, imapcode, imapc->state);
+ result = imap_state_listsearch_resp(conn, imapcode, imapc->state);
break;
case IMAP_SELECT:
@@ -1347,7 +1327,7 @@ static CURLcode imap_statemach_act(struct connectdata *conn)
break;
case IMAP_SEARCH:
- result = imap_state_search_resp(conn, imapcode, imapc->state);
+ result = imap_state_listsearch_resp(conn, imapcode, imapc->state);
break;
case IMAP_LOGOUT:
@@ -1391,12 +1371,12 @@ static CURLcode imap_block_statemach(struct connectdata *conn)
return result;
}
-/* Allocate and initialize the struct IMAP for the current SessionHandle if
+/* Allocate and initialize the struct IMAP for the current Curl_easy if
required */
static CURLcode imap_init(struct connectdata *conn)
{
CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
struct IMAP *imap;
imap = data->req.protop = calloc(sizeof(struct IMAP), 1);
@@ -1476,16 +1456,12 @@ static CURLcode imap_done(struct connectdata *conn, CURLcode status,
bool premature)
{
CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *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) {
@@ -1508,8 +1484,7 @@ static CURLcode imap_done(struct connectdata *conn, CURLcode status,
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!
+ non-blocking DONE operations!
*/
if(!result)
result = imap_block_statemach(conn);
@@ -1543,7 +1518,7 @@ static CURLcode imap_perform(struct connectdata *conn, bool *connected,
{
/* This is IMAP and no proxy */
CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
struct IMAP *imap = data->req.protop;
struct imap_conn *imapc = &conn->proto.imapc;
bool selected = FALSE;
@@ -1708,7 +1683,7 @@ static CURLcode imap_regular_transfer(struct connectdata *conn,
{
CURLcode result = CURLE_OK;
bool connected = FALSE;
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
/* Make sure size is unknown at this point */
data->req.size = -1;
@@ -1731,13 +1706,17 @@ static CURLcode imap_regular_transfer(struct connectdata *conn,
static CURLcode imap_setup_connection(struct connectdata *conn)
{
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
/* Initialise the IMAP layer */
CURLcode result = imap_init(conn);
if(result)
return result;
+ /* Clear the TLS upgraded flag */
+ conn->tls_upgraded = FALSE;
+
+ /* Set up the proxy if necessary */
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 */
@@ -1815,38 +1794,49 @@ static CURLcode imap_sendf(struct connectdata *conn, const char *fmt, ...)
* The returned string needs to be freed.
*
*/
-static char *imap_atom(const char *str)
+static char *imap_atom(const char *str, bool escape_only)
{
+ /* !checksrc! disable PARENBRACE 1 */
+ const char atom_specials[] = "(){ %*]";
const char *p1;
char *p2;
size_t backsp_count = 0;
size_t quote_count = 0;
- bool space_exists = FALSE;
+ bool others_exists = FALSE;
size_t newlen = 0;
char *newstr = NULL;
if(!str)
return NULL;
- /* Count any unescaped characters */
+ /* Look for "atom-specials", counting the backslash and quote characters as
+ these will need escapping */
p1 = str;
while(*p1) {
if(*p1 == '\\')
backsp_count++;
else if(*p1 == '"')
quote_count++;
- else if(*p1 == ' ')
- space_exists = TRUE;
+ else if(!escape_only) {
+ const char *p3 = atom_specials;
+
+ while(*p3 && !others_exists) {
+ if(*p1 == *p3)
+ others_exists = TRUE;
+
+ p3++;
+ }
+ }
p1++;
}
- /* Does the input contain any unescaped characters? */
- if(!backsp_count && !quote_count && !space_exists)
+ /* Does the input contain any "atom-special" characters? */
+ if(!backsp_count && !quote_count && !others_exists)
return strdup(str);
/* Calculate the new string length */
- newlen = strlen(str) + backsp_count + quote_count + (space_exists ? 2 : 0);
+ newlen = strlen(str) + backsp_count + quote_count + (others_exists ? 2 : 0);
/* Allocate the new string */
newstr = (char *) malloc((newlen + 1) * sizeof(char));
@@ -1855,7 +1845,7 @@ static char *imap_atom(const char *str)
/* Surround the string in quotes if necessary */
p2 = newstr;
- if(space_exists) {
+ if(others_exists) {
newstr[0] = '"';
newstr[newlen - 1] = '"';
p2++;
@@ -1981,7 +1971,7 @@ 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 Curl_easy *data = conn->data;
struct IMAP *imap = data->req.protop;
const char *begin = data->state.path;
const char *ptr = begin;
@@ -2111,7 +2101,7 @@ static CURLcode imap_parse_url_path(struct connectdata *conn)
static CURLcode imap_parse_custom_request(struct connectdata *conn)
{
CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
struct IMAP *imap = data->req.protop;
const char *custom = data->set.str[STRING_CUSTOMREQUEST];
generated by cgit v0.12 at 2024-11-14 05:31:06 (GMT)