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vtls: localization of state data in filters

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- almost all backend calls pass the Curl_cfilter intance instead of
   connectdata+sockindex
 - ssl_connect_data is remove from struct connectdata and made internal
   to vtls
 - ssl_connect_data is allocated in the added filter, kept at cf->ctx

 - added function to let a ssl filter access its ssl_primary_config and
   ssl_config_data this selects the propert subfields in conn and data,
   for filters added as plain or proxy
 - adjusted all backends to use the changed api
 - adjusted all backends to access config data via the exposed
   functions, no longer using conn or data directly

cfilter renames for clear purpose:

 - methods `Curl_conn_*(data, conn, sockindex)` work on the complete
   filter chain at `sockindex` and connection `conn`.
 - methods `Curl_cf_*(cf, ...)` work on a specific Curl_cfilter
   instance.
 - methods `Curl_conn_cf()` work on/with filter instances at a
   connection.
 - rebased and resolved some naming conflicts
 - hostname validation (und session lookup) on SECONDARY use the same
   name as on FIRST (again).

new debug macros and removing connectdata from function signatures where not
needed.

adapting schannel for new Curl_read_plain paramter.

Closes #9919
This commit is contained in:
Stefan Eissing 2022-11-22 09:55:41 +01:00 • committed by Daniel Stenberg
parent a28a80d59e
commit af22c2a546
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GPG key ID: 5CC908FDB71E12C2
48 changed files with 2230 additions and 2117 deletions
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6
lib/transfer.c
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@ -445,7 +445,7 @@ CURLcode Curl_readrewind(struct Curl_easy *data)
return CURLE_OK;
}
static int data_pending(const struct Curl_easy *data)
static int data_pending(struct Curl_easy *data)
{
struct connectdata *conn = data->conn;
@ -455,7 +455,7 @@ static int data_pending(const struct Curl_easy *data)
#endif
if(conn->handler->protocol&PROTO_FAMILY_FTP)
return Curl_cfilter_data_pending(data, conn, SECONDARYSOCKET);
return Curl_conn_data_pending(data, SECONDARYSOCKET);
/* in the case of libssh2, we can never be really sure that we have emptied
its internal buffers so we MUST always try until we get EAGAIN back */
@ -470,7 +470,7 @@ static int data_pending(const struct Curl_easy *data)
a workaround, we return nonzero here to call http2_recv. */
((conn->handler->protocol&PROTO_FAMILY_HTTP) && conn->httpversion >= 20) ||
#endif
Curl_cfilter_data_pending(data, conn, FIRSTSOCKET);
Curl_conn_data_pending(data, FIRSTSOCKET);
}
/*