summaryrefslogtreecommitdiff
path: root/lib/urldata.h
diff options
context:
space:
mode:
authorDaniel Stenberg <daniel@haxx.se>2020-02-14 16:16:54 +0100
committerDaniel Stenberg <daniel@haxx.se>2020-02-17 00:08:48 +0100
commit4a4b63daaa01ef59b131d91e8e6e6dfe275c0f08 (patch)
tree0d8804b728da55d1296431b1eeb7f446b9e460a5 /lib/urldata.h
parentd60b1b37a1682dee3a53bc6e15b44ecab9811297 (diff)
downloadcurl-4a4b63daaa01ef59b131d91e8e6e6dfe275c0f08.tar.gz
socks: make the connect phase non-blocking
Removes two entries from KNOWN_BUGS. Closes #4907
Diffstat (limited to 'lib/urldata.h')
-rw-r--r--lib/urldata.h38
1 files changed, 36 insertions, 2 deletions
diff --git a/lib/urldata.h b/lib/urldata.h
index e1c3e181b..6401f49f2 100644
--- a/lib/urldata.h
+++ b/lib/urldata.h
@@ -476,7 +476,6 @@ struct ConnectBits {
BIT(tcp_fastopen); /* use TCP Fast Open */
BIT(tls_enable_npn); /* TLS NPN extension? */
BIT(tls_enable_alpn); /* TLS ALPN extension? */
- BIT(socksproxy_connecting); /* connecting through a socks proxy */
BIT(connect_only);
};
@@ -817,6 +816,41 @@ struct http_connect_state {
struct ldapconninfo;
+/* for the (SOCKS) connect state machine */
+enum connect_t {
+ CONNECT_INIT,
+ CONNECT_SOCKS_INIT, /* 1 */
+ CONNECT_SOCKS_SEND, /* 2 waiting to send more first data */
+ CONNECT_SOCKS_READ_INIT, /* 3 set up read */
+ CONNECT_SOCKS_READ, /* 4 read server response */
+ CONNECT_GSSAPI_INIT, /* 5 */
+ CONNECT_AUTH_INIT, /* 6 setup outgoing auth buffer */
+ CONNECT_AUTH_SEND, /* 7 send auth */
+ CONNECT_AUTH_READ, /* 8 read auth response */
+ CONNECT_REQ_INIT, /* 9 init SOCKS "request" */
+ CONNECT_RESOLVING, /* 10 */
+ CONNECT_RESOLVED, /* 11 */
+ CONNECT_RESOLVE_REMOTE, /* 12 */
+ CONNECT_REQ_SEND, /* 13 */
+ CONNECT_REQ_SENDING, /* 14 */
+ CONNECT_REQ_READ, /* 15 */
+ CONNECT_REQ_READ_MORE, /* 16 */
+ CONNECT_DONE /* 17 connected fine to the remote or the SOCKS proxy */
+};
+
+#define SOCKS_STATE(x) (((x) >= CONNECT_SOCKS_INIT) && \
+ ((x) < CONNECT_DONE))
+#define SOCKS_REQUEST_BUFSIZE 600 /* room for large user/pw (255 max each) */
+
+struct connstate {
+ enum connect_t state;
+ unsigned char socksreq[SOCKS_REQUEST_BUFSIZE];
+
+ /* CONNECT_SOCKS_SEND */
+ ssize_t outstanding; /* send this many bytes more */
+ unsigned char *outp; /* send from this pointer */
+};
+
/*
* The connectdata struct contains all fields and variables that should be
* unique for an entire connection.
@@ -826,7 +860,7 @@ struct connectdata {
caution that this might very well vary between different times this
connection is used! */
struct Curl_easy *data;
-
+ struct connstate cnnct;
struct curl_llist_element bundle_node; /* conncache */
/* chunk is for HTTP chunked encoding, but is in the general connectdata