* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2018, 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
#include "transfer.h"
#include "sendf.h"
#include "formdata.h"
+#include "mime.h"
#include "progress.h"
#include "curl_base64.h"
#include "cookie.h"
-#include "strequal.h"
+#include "vauth/vauth.h"
#include "vtls/vtls.h"
#include "http_digest.h"
-#include "curl_ntlm.h"
+#include "http_ntlm.h"
#include "curl_ntlm_wb.h"
#include "http_negotiate.h"
#include "url.h"
#include "share.h"
#include "hostip.h"
#include "http.h"
-#include "curl_memory.h"
#include "select.h"
#include "parsedate.h" /* for the week day and month names */
#include "strtoofft.h"
#include "multiif.h"
-#include "rawstr.h"
+#include "strcase.h"
#include "content_encoding.h"
#include "http_proxy.h"
#include "warnless.h"
#include "non-ascii.h"
-#include "bundles.h"
#include "pipeline.h"
#include "http2.h"
+#include "connect.h"
+#include "strdup.h"
-#define _MPRINTF_REPLACE /* use our functions only */
-#include <curl/mprintf.h>
-
-/* The last #include file should be: */
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
#include "memdebug.h"
/*
ZERO_NULL, /* perform_getsock */
ZERO_NULL, /* disconnect */
ZERO_NULL, /* readwrite */
+ ZERO_NULL, /* connection_check */
PORT_HTTP, /* defport */
CURLPROTO_HTTP, /* protocol */
- PROTOPT_NONE /* flags */
+ PROTOPT_CREDSPERREQUEST /* flags */
};
#ifdef USE_SSL
ZERO_NULL, /* perform_getsock */
ZERO_NULL, /* disconnect */
ZERO_NULL, /* readwrite */
+ ZERO_NULL, /* connection_check */
PORT_HTTPS, /* defport */
- CURLPROTO_HTTP | CURLPROTO_HTTPS, /* protocol */
- PROTOPT_SSL | PROTOPT_CREDSPERREQUEST /* flags */
+ CURLPROTO_HTTPS, /* protocol */
+ PROTOPT_SSL | PROTOPT_CREDSPERREQUEST | PROTOPT_ALPN_NPN /* flags */
};
#endif
-
CURLcode Curl_http_setup_conn(struct connectdata *conn)
{
- /* allocate the HTTP-specific struct for the SessionHandle, only to survive
+ /* allocate the HTTP-specific struct for the Curl_easy, only to survive
during this request */
+ struct HTTP *http;
DEBUGASSERT(conn->data->req.protop == NULL);
- conn->data->req.protop = calloc(1, sizeof(struct HTTP));
- if(!conn->data->req.protop)
+ http = calloc(1, sizeof(struct HTTP));
+ if(!http)
return CURLE_OUT_OF_MEMORY;
- return CURLE_OK;
-}
+ Curl_mime_initpart(&http->form, conn->data);
+ conn->data->req.protop = http;
-/*
- * checkheaders() checks the linked list of custom HTTP headers for a
- * particular header (prefix).
- *
- * Returns a pointer to the first matching header or NULL if none matched.
- */
-char *Curl_checkheaders(const struct connectdata *conn,
- const char *thisheader)
-{
- struct curl_slist *head;
- size_t thislen = strlen(thisheader);
- struct SessionHandle *data = conn->data;
+ Curl_http2_setup_conn(conn);
+ Curl_http2_setup_req(conn->data);
- for(head = data->set.headers;head; head=head->next) {
- if(Curl_raw_nequal(head->data, thisheader, thislen))
- return head->data;
- }
- return NULL;
+ return CURLE_OK;
}
+
/*
* checkProxyHeaders() checks the linked list of custom proxy headers
* if proxy headers are not available, then it will lookup into http header
* link list
*
- * It takes a connectdata struct as input instead of the SessionHandle simply
- * to know if this is a proxy request or not, as it then might check a
- * different header list.
- *
+ * It takes a connectdata struct as input instead of the Curl_easy simply to
+ * know if this is a proxy request or not, as it then might check a different
+ * header list. Provide the header prefix without colon!.
*/
char *Curl_checkProxyheaders(const struct connectdata *conn,
const char *thisheader)
{
struct curl_slist *head;
size_t thislen = strlen(thisheader);
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
- for(head = (conn->bits.proxy && data->set.sep_headers)?
- data->set.proxyheaders:data->set.headers;
- head; head=head->next) {
- if(Curl_raw_nequal(head->data, thisheader, thislen))
+ for(head = (conn->bits.proxy && data->set.sep_headers) ?
+ data->set.proxyheaders : data->set.headers;
+ head; head = head->next) {
+ if(strncasecompare(head->data, thisheader, thislen) &&
+ Curl_headersep(head->data[thislen]))
return head->data;
}
+
return NULL;
}
{
size_t size = 0;
char *authorization = NULL;
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
char **userp;
const char *user;
const char *pwd;
- CURLcode error;
+ CURLcode result;
+ char *out;
if(proxy) {
userp = &conn->allocptr.proxyuserpwd;
- user = conn->proxyuser;
- pwd = conn->proxypasswd;
+ user = conn->http_proxy.user;
+ pwd = conn->http_proxy.passwd;
}
else {
userp = &conn->allocptr.userpwd;
pwd = conn->passwd;
}
- snprintf(data->state.buffer, sizeof(data->state.buffer), "%s:%s", user, pwd);
+ out = aprintf("%s:%s", user, pwd);
+ if(!out)
+ return CURLE_OUT_OF_MEMORY;
- error = Curl_base64_encode(data,
- data->state.buffer, strlen(data->state.buffer),
- &authorization, &size);
- if(error)
- return error;
+ result = Curl_base64_encode(data, out, strlen(out), &authorization, &size);
+ if(result)
+ goto fail;
- if(!authorization)
- return CURLE_REMOTE_ACCESS_DENIED;
+ if(!authorization) {
+ result = CURLE_REMOTE_ACCESS_DENIED;
+ goto fail;
+ }
- Curl_safefree(*userp);
+ free(*userp);
*userp = aprintf("%sAuthorization: Basic %s\r\n",
- proxy?"Proxy-":"",
+ proxy ? "Proxy-" : "",
authorization);
free(authorization);
- if(!*userp)
- return CURLE_OUT_OF_MEMORY;
+ if(!*userp) {
+ result = CURLE_OUT_OF_MEMORY;
+ goto fail;
+ }
- return CURLE_OK;
+ fail:
+ free(out);
+ return result;
}
/* pickoneauth() selects the most favourable authentication method from the
/* The order of these checks is highly relevant, as this will be the order
of preference in case of the existence of multiple accepted types. */
- if(avail & CURLAUTH_GSSNEGOTIATE)
- pick->picked = CURLAUTH_GSSNEGOTIATE;
+ if(avail & CURLAUTH_NEGOTIATE)
+ pick->picked = CURLAUTH_NEGOTIATE;
else if(avail & CURLAUTH_DIGEST)
pick->picked = CURLAUTH_DIGEST;
else if(avail & CURLAUTH_NTLM)
*/
static CURLcode http_perhapsrewind(struct connectdata *conn)
{
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
struct HTTP *http = data->req.protop;
curl_off_t bytessent;
curl_off_t expectsend = -1; /* default is unknown */
bytessent = http->writebytecount;
- if(conn->bits.authneg)
+ if(conn->bits.authneg) {
/* This is a state where we are known to be negotiating and we don't send
any data then. */
expectsend = 0;
+ }
+ else if(!conn->bits.protoconnstart) {
+ /* HTTP CONNECT in progress: there is no body */
+ expectsend = 0;
+ }
else {
/* figure out how much data we are expected to send */
switch(data->set.httpreq) {
case HTTPREQ_POST:
- if(data->set.postfieldsize != -1)
- expectsend = data->set.postfieldsize;
- else if(data->set.postfields)
- expectsend = (curl_off_t)strlen(data->set.postfields);
+ if(data->state.infilesize != -1)
+ expectsend = data->state.infilesize;
break;
case HTTPREQ_PUT:
- if(data->set.infilesize != -1)
- expectsend = data->set.infilesize;
+ if(data->state.infilesize != -1)
+ expectsend = data->state.infilesize;
break;
case HTTPREQ_POST_FORM:
+ case HTTPREQ_POST_MIME:
expectsend = http->postsize;
break;
default:
conn->bits.rewindaftersend = FALSE; /* default */
if((expectsend == -1) || (expectsend > bytessent)) {
+#if defined(USE_NTLM)
/* There is still data left to send */
if((data->state.authproxy.picked == CURLAUTH_NTLM) ||
(data->state.authhost.picked == CURLAUTH_NTLM) ||
return CURLE_OK;
}
+
if(conn->bits.close)
/* this is already marked to get closed */
return CURLE_OK;
CURL_FORMAT_CURL_OFF_T " bytes\n",
(curl_off_t)(expectsend - bytessent));
}
+#endif
- /* This is not NTLM or many bytes left to send: close
- */
- conn->bits.close = TRUE;
+ /* This is not NTLM or many bytes left to send: close */
+ streamclose(conn, "Mid-auth HTTP and much data left to send");
data->req.size = 0; /* don't download any more than 0 bytes */
/* There still is data left to send, but this connection is marked for
CURLcode Curl_http_auth_act(struct connectdata *conn)
{
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
bool pickhost = FALSE;
bool pickproxy = FALSE;
- CURLcode code = CURLE_OK;
+ CURLcode result = CURLE_OK;
if(100 <= data->req.httpcode && 199 >= data->req.httpcode)
/* this is a transient response code, ignore */
if((data->set.httpreq != HTTPREQ_GET) &&
(data->set.httpreq != HTTPREQ_HEAD) &&
!conn->bits.rewindaftersend) {
- code = http_perhapsrewind(conn);
- if(code)
- return code;
+ result = http_perhapsrewind(conn);
+ if(result)
+ return result;
}
}
-
else if((data->req.httpcode < 300) &&
(!data->state.authhost.done) &&
conn->bits.authneg) {
}
}
if(http_should_fail(conn)) {
- failf (data, "The requested URL returned error: %d",
- data->req.httpcode);
- code = CURLE_HTTP_RETURNED_ERROR;
+ failf(data, "The requested URL returned error: %d",
+ data->req.httpcode);
+ result = CURLE_HTTP_RETURNED_ERROR;
}
- return code;
+ return result;
}
-
/*
* Output the correct authentication header depending on the auth type
* and whether or not it is to a proxy.
const char *path,
bool proxy)
{
- struct SessionHandle *data = conn->data;
- const char *auth=NULL;
+ const char *auth = NULL;
CURLcode result = CURLE_OK;
-#ifdef USE_HTTP_NEGOTIATE
- struct negotiatedata *negdata = proxy?
- &data->state.proxyneg:&data->state.negotiate;
+#if !defined(CURL_DISABLE_VERBOSE_STRINGS) || defined(USE_SPNEGO)
+ struct Curl_easy *data = conn->data;
+#endif
+#ifdef USE_SPNEGO
+ struct negotiatedata *negdata = proxy ?
+ &data->state.proxyneg : &data->state.negotiate;
#endif
#ifdef CURL_DISABLE_CRYPTO_AUTH
(void)path;
#endif
-#ifdef USE_HTTP_NEGOTIATE
+#ifdef USE_SPNEGO
negdata->state = GSS_AUTHNONE;
- if((authstatus->picked == CURLAUTH_GSSNEGOTIATE) &&
+ if((authstatus->picked == CURLAUTH_NEGOTIATE) &&
negdata->context && !GSS_ERROR(negdata->status)) {
- auth="GSS-Negotiate";
+ auth = "Negotiate";
result = Curl_output_negotiate(conn, proxy);
if(result)
return result;
#endif
#ifdef USE_NTLM
if(authstatus->picked == CURLAUTH_NTLM) {
- auth="NTLM";
+ auth = "NTLM";
result = Curl_output_ntlm(conn, proxy);
if(result)
return result;
#endif
#if defined(USE_NTLM) && defined(NTLM_WB_ENABLED)
if(authstatus->picked == CURLAUTH_NTLM_WB) {
- auth="NTLM_WB";
+ auth = "NTLM_WB";
result = Curl_output_ntlm_wb(conn, proxy);
if(result)
return result;
#endif
#ifndef CURL_DISABLE_CRYPTO_AUTH
if(authstatus->picked == CURLAUTH_DIGEST) {
- auth="Digest";
+ auth = "Digest";
result = Curl_output_digest(conn,
proxy,
(const unsigned char *)request,
if(authstatus->picked == CURLAUTH_BASIC) {
/* Basic */
if((proxy && conn->bits.proxy_user_passwd &&
- !Curl_checkProxyheaders(conn, "Proxy-authorization:")) ||
+ !Curl_checkProxyheaders(conn, "Proxy-authorization")) ||
(!proxy && conn->bits.user_passwd &&
- !Curl_checkheaders(conn, "Authorization:"))) {
- auth="Basic";
+ !Curl_checkheaders(conn, "Authorization"))) {
+ auth = "Basic";
result = http_output_basic(conn, proxy);
if(result)
return result;
}
+
/* NOTE: this function should set 'done' TRUE, as the other auth
functions work that way */
authstatus->done = TRUE;
if(auth) {
infof(data, "%s auth using %s with user '%s'\n",
- proxy?"Proxy":"Server", auth,
- proxy?(conn->proxyuser?conn->proxyuser:""):
- (conn->user?conn->user:""));
- authstatus->multi = (!authstatus->done) ? TRUE : FALSE;
+ proxy ? "Proxy" : "Server", auth,
+ proxy ? (conn->http_proxy.user ? conn->http_proxy.user : "") :
+ (conn->user ? conn->user : ""));
+ authstatus->multipass = (!authstatus->done) ? TRUE : FALSE;
}
else
- authstatus->multi = FALSE;
+ authstatus->multipass = FALSE;
return CURLE_OK;
}
up the proxy tunnel */
{
CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
struct auth *authhost;
struct auth *authproxy;
if((conn->bits.httpproxy && conn->bits.proxy_user_passwd) ||
conn->bits.user_passwd)
- /* continue please */ ;
+ /* continue please */;
else {
authhost->done = TRUE;
authproxy->done = TRUE;
if(!data->state.this_is_a_follow ||
conn->bits.netrc ||
!data->state.first_host ||
- data->set.http_disable_hostname_check_before_authentication ||
- Curl_raw_equal(data->state.first_host, conn->host.name)) {
+ data->set.allow_auth_to_other_hosts ||
+ strcasecompare(data->state.first_host, conn->host.name)) {
result = output_auth_headers(conn, authhost, request, path, FALSE);
}
else
return result;
}
-
/*
* Curl_http_input_auth() deals with Proxy-Authenticate: and WWW-Authenticate:
* headers. They are dealt with both in the transfer.c main loop and in the
/*
* This resource requires authentication
*/
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
+#ifdef USE_SPNEGO
+ struct negotiatedata *negdata = proxy?
+ &data->state.proxyneg:&data->state.negotiate;
+#endif
unsigned long *availp;
struct auth *authp;
* request is sent, and then it is again set _after_ all response 401/407
* headers have been received but then only to a single preferred method
* (bit).
- *
*/
while(*auth) {
-#ifdef USE_HTTP_NEGOTIATE
- if(checkprefix("GSS-Negotiate", auth) ||
- checkprefix("Negotiate", auth)) {
- int neg;
- *availp |= CURLAUTH_GSSNEGOTIATE;
- authp->avail |= CURLAUTH_GSSNEGOTIATE;
-
- if(authp->picked == CURLAUTH_GSSNEGOTIATE) {
- if(data->state.negotiate.state == GSS_AUTHSENT) {
- /* if we sent GSS authentication in the outgoing request and we get
- this back, we're in trouble */
- infof(data, "Authentication problem. Ignoring this.\n");
- data->state.authproblem = TRUE;
- }
- else {
- neg = Curl_input_negotiate(conn, proxy, auth);
- if(neg == 0) {
- DEBUGASSERT(!data->req.newurl);
- data->req.newurl = strdup(data->change.url);
- if(!data->req.newurl)
- return CURLE_OUT_OF_MEMORY;
- data->state.authproblem = FALSE;
- /* we received GSS auth info and we dealt with it fine */
- data->state.negotiate.state = GSS_AUTHRECV;
+#ifdef USE_SPNEGO
+ if(checkprefix("Negotiate", auth)) {
+ if((authp->avail & CURLAUTH_NEGOTIATE) ||
+ Curl_auth_is_spnego_supported()) {
+ *availp |= CURLAUTH_NEGOTIATE;
+ authp->avail |= CURLAUTH_NEGOTIATE;
+
+ if(authp->picked == CURLAUTH_NEGOTIATE) {
+ if(negdata->state == GSS_AUTHSENT ||
+ negdata->state == GSS_AUTHNONE) {
+ CURLcode result = Curl_input_negotiate(conn, proxy, auth);
+ if(!result) {
+ DEBUGASSERT(!data->req.newurl);
+ data->req.newurl = strdup(data->change.url);
+ if(!data->req.newurl)
+ return CURLE_OUT_OF_MEMORY;
+ data->state.authproblem = FALSE;
+ /* we received a GSS auth token and we dealt with it fine */
+ negdata->state = GSS_AUTHRECV;
+ }
+ else
+ data->state.authproblem = TRUE;
}
- else
- data->state.authproblem = TRUE;
}
}
}
#ifdef USE_NTLM
/* NTLM support requires the SSL crypto libs */
if(checkprefix("NTLM", auth)) {
- *availp |= CURLAUTH_NTLM;
- authp->avail |= CURLAUTH_NTLM;
- if(authp->picked == CURLAUTH_NTLM ||
- authp->picked == CURLAUTH_NTLM_WB) {
- /* NTLM authentication is picked and activated */
- CURLcode ntlm =
- Curl_input_ntlm(conn, proxy, auth);
- if(CURLE_OK == ntlm) {
- data->state.authproblem = FALSE;
+ if((authp->avail & CURLAUTH_NTLM) ||
+ (authp->avail & CURLAUTH_NTLM_WB) ||
+ Curl_auth_is_ntlm_supported()) {
+ *availp |= CURLAUTH_NTLM;
+ authp->avail |= CURLAUTH_NTLM;
+
+ if(authp->picked == CURLAUTH_NTLM ||
+ authp->picked == CURLAUTH_NTLM_WB) {
+ /* NTLM authentication is picked and activated */
+ CURLcode result = Curl_input_ntlm(conn, proxy, auth);
+ if(!result) {
+ data->state.authproblem = FALSE;
#ifdef NTLM_WB_ENABLED
- if(authp->picked == CURLAUTH_NTLM_WB) {
- *availp &= ~CURLAUTH_NTLM;
- authp->avail &= ~CURLAUTH_NTLM;
- *availp |= CURLAUTH_NTLM_WB;
- authp->avail |= CURLAUTH_NTLM_WB;
-
- /* Get the challenge-message which will be passed to
- * ntlm_auth for generating the type 3 message later */
- while(*auth && ISSPACE(*auth))
- auth++;
- if(checkprefix("NTLM", auth)) {
- auth += strlen("NTLM");
+ if(authp->picked == CURLAUTH_NTLM_WB) {
+ *availp &= ~CURLAUTH_NTLM;
+ authp->avail &= ~CURLAUTH_NTLM;
+ *availp |= CURLAUTH_NTLM_WB;
+ authp->avail |= CURLAUTH_NTLM_WB;
+
+ /* Get the challenge-message which will be passed to
+ * ntlm_auth for generating the type 3 message later */
while(*auth && ISSPACE(*auth))
auth++;
- if(*auth)
- if((conn->challenge_header = strdup(auth)) == NULL)
- return CURLE_OUT_OF_MEMORY;
+ if(checkprefix("NTLM", auth)) {
+ auth += strlen("NTLM");
+ while(*auth && ISSPACE(*auth))
+ auth++;
+ if(*auth) {
+ conn->challenge_header = strdup(auth);
+ if(!conn->challenge_header)
+ return CURLE_OUT_OF_MEMORY;
+ }
+ }
}
- }
#endif
- }
- else {
- infof(data, "Authentication problem. Ignoring this.\n");
- data->state.authproblem = TRUE;
+ }
+ else {
+ infof(data, "Authentication problem. Ignoring this.\n");
+ data->state.authproblem = TRUE;
+ }
}
}
}
#endif
#ifndef CURL_DISABLE_CRYPTO_AUTH
if(checkprefix("Digest", auth)) {
- if((authp->avail & CURLAUTH_DIGEST) != 0) {
+ if((authp->avail & CURLAUTH_DIGEST) != 0)
infof(data, "Ignoring duplicate digest auth header.\n");
- }
- else {
- CURLdigest dig;
+ else if(Curl_auth_is_digest_supported()) {
+ CURLcode result;
+
*availp |= CURLAUTH_DIGEST;
authp->avail |= CURLAUTH_DIGEST;
/* We call this function on input Digest headers even if Digest
* authentication isn't activated yet, as we need to store the
- * incoming data from this header in case we are gonna use
- * Digest. */
- dig = Curl_input_digest(conn, proxy, auth);
-
- if(CURLDIGEST_FINE != dig) {
+ * incoming data from this header in case we are going to use
+ * Digest */
+ result = Curl_input_digest(conn, proxy, auth);
+ if(result) {
infof(data, "Authentication problem. Ignoring this.\n");
data->state.authproblem = TRUE;
}
while(*auth && ISSPACE(*auth))
auth++;
}
+
return CURLE_OK;
}
*/
static int http_should_fail(struct connectdata *conn)
{
- struct SessionHandle *data;
+ struct Curl_easy *data;
int httpcode;
DEBUGASSERT(conn);
if(httpcode < 400)
return 0;
- if(data->state.resume_from &&
- (data->set.httpreq==HTTPREQ_GET) &&
- (httpcode == 416)) {
- /* "Requested Range Not Satisfiable", just proceed and
- pretend this is no error */
- return 0;
- }
-
/*
** Any code >= 400 that's not 401 or 407 is always
** a terminal error
*/
- if((httpcode != 401) &&
- (httpcode != 407))
+ if((httpcode != 401) && (httpcode != 407))
return 1;
/*
struct HTTP *http = conn->data->req.protop;
size_t fullsize = size * nitems;
- if(0 == http->postsize)
+ if(!http->postsize)
/* nothing to return */
return 0;
/* move backup data into focus and continue on that */
http->postdata = http->backup.postdata;
http->postsize = http->backup.postsize;
- conn->fread_func = http->backup.fread_func;
- conn->fread_in = http->backup.fread_in;
+ conn->data->state.fread_func = http->backup.fread_func;
+ conn->data->state.in = http->backup.fread_in;
http->sending++; /* move one step up */
- http->backup.postsize=0;
+ http->backup.postsize = 0;
}
else
http->postsize = 0;
}
/*
+ * Curl_add_buffer_free() frees all associated resources.
+ */
+void Curl_add_buffer_free(Curl_send_buffer *buff)
+{
+ if(buff) /* deal with NULL input */
+ free(buff->buffer);
+ free(buff);
+}
+
+/*
* Curl_add_buffer_send() sends a header buffer and frees all associated
* memory. Body data may be appended to the header data if desired.
*
{
ssize_t amount;
- CURLcode res;
+ CURLcode result;
char *ptr;
size_t size;
struct HTTP *http = conn->data->req.protop;
DEBUGASSERT(size > included_body_bytes);
- res = Curl_convert_to_network(conn->data, ptr, headersize);
+ result = Curl_convert_to_network(conn->data, ptr, headersize);
/* Curl_convert_to_network calls failf if unsuccessful */
- if(res) {
+ if(result) {
/* conversion failed, free memory and return to the caller */
- if(in->buffer)
- free(in->buffer);
- free(in);
- return res;
+ Curl_add_buffer_free(in);
+ return result;
}
-
- if(conn->handler->flags & PROTOPT_SSL) {
+ if((conn->handler->flags & PROTOPT_SSL ||
+ conn->http_proxy.proxytype == CURLPROXY_HTTPS)
+ && conn->httpversion != 20) {
/* We never send more than CURL_MAX_WRITE_SIZE bytes in one single chunk
when we speak HTTPS, as if only a fraction of it is sent now, this data
needs to fit into the normal read-callback buffer later on and that
buffer is using this size.
*/
- sendsize= (size > CURL_MAX_WRITE_SIZE)?CURL_MAX_WRITE_SIZE:size;
+ sendsize = CURLMIN(size, CURL_MAX_WRITE_SIZE);
/* OpenSSL is very picky and we must send the SAME buffer pointer to the
library when we attempt to re-send this buffer. Sending the same data
else
sendsize = size;
- res = Curl_write(conn, sockfd, ptr, sendsize, &amount);
+ result = Curl_write(conn, sockfd, ptr, sendsize, &amount);
- if(CURLE_OK == res) {
+ if(!result) {
/*
* Note that we may not send the entire chunk at once, and we have a set
* number of data bytes at the end of the big buffer (out of which we may
* only send away a part).
*/
/* how much of the header that was sent */
- size_t headlen = (size_t)amount>headersize?headersize:(size_t)amount;
+ size_t headlen = (size_t)amount>headersize ? headersize : (size_t)amount;
size_t bodylen = amount - headlen;
if(conn->data->set.verbose) {
/* there was body data sent beyond the initial header part, pass that
on to the debug callback too */
Curl_debug(conn->data, CURLINFO_DATA_OUT,
- ptr+headlen, bodylen, conn);
+ ptr + headlen, bodylen, conn);
}
}
- if(bodylen)
- /* since we sent a piece of the body here, up the byte counter for it
- accordingly */
- http->writebytecount += bodylen;
/* 'amount' can never be a very large value here so typecasting it so a
signed 31 bit value should not cause problems even if ssize_t is
*bytes_written += (long)amount;
if(http) {
+ /* if we sent a piece of the body here, up the byte counter for it
+ accordingly */
+ http->writebytecount += bodylen;
+
if((size_t)amount != size) {
/* The whole request could not be sent in one system call. We must
queue it up and send it later when we get the chance. We must not
ptr = in->buffer + amount;
/* backup the currently set pointers */
- http->backup.fread_func = conn->fread_func;
- http->backup.fread_in = conn->fread_in;
+ http->backup.fread_func = conn->data->state.fread_func;
+ http->backup.fread_in = conn->data->state.in;
http->backup.postdata = http->postdata;
http->backup.postsize = http->postsize;
/* set the new pointers for the request-sending */
- conn->fread_func = (curl_read_callback)readmoredata;
- conn->fread_in = (void *)conn;
+ conn->data->state.fread_func = (curl_read_callback)readmoredata;
+ conn->data->state.in = (void *)conn;
http->postdata = ptr;
http->postsize = (curl_off_t)size;
This needs FIXing.
*/
return CURLE_SEND_ERROR;
- else
- conn->writechannel_inuse = FALSE;
+ Curl_pipeline_leave_write(conn);
}
}
- if(in->buffer)
- free(in->buffer);
- free(in);
+ Curl_add_buffer_free(in);
- return res;
+ return result;
}
return result;
}
/* If we failed, we cleanup the whole buffer and return error */
- if(in->buffer)
- free(in->buffer);
+ free(in->buffer);
free(in);
return CURLE_OUT_OF_MEMORY;
}
buffer size that doubles the required size. If this new size
would wrap size_t, then just use the largest possible one */
- if((size > (size_t)-1/2) || (in->size_used > (size_t)-1/2) ||
- (~(size*2) < (in->size_used*2)))
+ if((size > (size_t)-1 / 2) || (in->size_used > (size_t)-1 / 2) ||
+ (~(size * 2) < (in->size_used * 2)))
new_size = (size_t)-1;
else
- new_size = (in->size_used+size)*2;
+ new_size = (in->size_used + size) * 2;
if(in->buffer)
/* we have a buffer, enlarge the existing one */
- new_rb = realloc(in->buffer, new_size);
+ new_rb = Curl_saferealloc(in->buffer, new_size);
else
/* create a new buffer */
new_rb = malloc(new_size);
if(!new_rb) {
/* If we failed, we cleanup the whole buffer and return error */
- Curl_safefree(in->buffer);
free(in);
return CURLE_OUT_OF_MEMORY;
}
const char *start;
const char *end;
- if(!Curl_raw_nequal(headerline, header, hlen))
+ if(!strncasecompare(headerline, header, hlen))
return FALSE; /* doesn't start with header */
/* pass the header */
clen = strlen(content); /* length of the word to find */
/* find the content string in the rest of the line */
- for(;len>=clen;len--, start++) {
- if(Curl_raw_nequal(start, content, clen))
+ for(; len >= clen; len--, start++) {
+ if(strncasecompare(start, content, clen))
return TRUE; /* match! */
}
/* We default to persistent connections. We set this already in this connect
function to make the re-use checks properly be able to check this bit. */
- conn->bits.close = FALSE;
+ connkeep(conn, "HTTP default");
/* the CONNECT procedure might not have been completed */
- result = Curl_proxy_connect(conn);
+ result = Curl_proxy_connect(conn, FIRSTSOCKET);
if(result)
return result;
- if(conn->tunnel_state[FIRSTSOCKET] == TUNNEL_CONNECT)
+ if(conn->bits.proxy_connect_closed)
+ /* this is not an error, just part of the connection negotiation */
+ return CURLE_OK;
+
+ if(CONNECT_FIRSTSOCKET_PROXY_SSL())
+ return CURLE_OK; /* wait for HTTPS proxy SSL initialization to complete */
+
+ if(Curl_connect_ongoing(conn))
/* nothing else to do except wait right now - we're not done here. */
return CURLE_OK;
- if(conn->given->flags & PROTOPT_SSL) {
+ if(conn->given->protocol & CURLPROTO_HTTPS) {
/* perform SSL initialization */
result = https_connecting(conn, done);
if(result)
/* perform SSL initialization for this socket */
result = Curl_ssl_connect_nonblocking(conn, FIRSTSOCKET, done);
if(result)
- conn->bits.close = TRUE; /* a failed connection is marked for closure
- to prevent (bad) re-use or similar */
+ connclose(conn, "Failed HTTPS connection");
+
return result;
}
-#endif
-#if defined(USE_SSLEAY) || defined(USE_GNUTLS) || defined(USE_SCHANNEL) || \
- defined(USE_DARWINSSL) || defined(USE_POLARSSL)
-/* This function is for OpenSSL, GnuTLS, darwinssl, schannel and polarssl only.
- It should be made to query the generic SSL layer instead. */
static int https_getsock(struct connectdata *conn,
curl_socket_t *socks,
int numsocks)
{
- if(conn->handler->flags & PROTOPT_SSL) {
- struct ssl_connect_data *connssl = &conn->ssl[FIRSTSOCKET];
-
- if(!numsocks)
- return GETSOCK_BLANK;
-
- if(connssl->connecting_state == ssl_connect_2_writing) {
- /* write mode */
- socks[0] = conn->sock[FIRSTSOCKET];
- return GETSOCK_WRITESOCK(0);
- }
- else if(connssl->connecting_state == ssl_connect_2_reading) {
- /* read mode */
- socks[0] = conn->sock[FIRSTSOCKET];
- return GETSOCK_READSOCK(0);
- }
- }
- return CURLE_OK;
-}
-#else
-#ifdef USE_SSL
-static int https_getsock(struct connectdata *conn,
- curl_socket_t *socks,
- int numsocks)
-{
- (void)conn;
- (void)socks;
- (void)numsocks;
+ if(conn->handler->flags & PROTOPT_SSL)
+ return Curl_ssl_getsock(conn, socks, numsocks);
return GETSOCK_BLANK;
}
#endif /* USE_SSL */
-#endif /* USE_SSLEAY || USE_GNUTLS || USE_SCHANNEL */
/*
- * Curl_http_done() gets called from Curl_done() after a single HTTP request
- * has been performed.
+ * Curl_http_done() gets called after a single HTTP request has been
+ * performed.
*/
CURLcode Curl_http_done(struct connectdata *conn,
CURLcode status, bool premature)
{
- struct SessionHandle *data = conn->data;
- struct HTTP *http =data->req.protop;
+ struct Curl_easy *data = conn->data;
+ struct HTTP *http = data->req.protop;
+
+ /* Clear multipass flag. If authentication isn't done yet, then it will get
+ * a chance to be set back to true when we output the next auth header */
+ data->state.authhost.multipass = FALSE;
+ data->state.authproxy.multipass = FALSE;
Curl_unencode_cleanup(conn);
+#ifdef USE_SPNEGO
+ if(data->state.proxyneg.state == GSS_AUTHSENT ||
+ data->state.negotiate.state == GSS_AUTHSENT) {
+ /* add forbid re-use if http-code != 401/407 as a WA only needed for
+ * 401/407 that signal auth failure (empty) otherwise state will be RECV
+ * with current code.
+ * Do not close CONNECT_ONLY connections. */
+ if((data->req.httpcode != 401) && (data->req.httpcode != 407) &&
+ !data->set.connect_only)
+ streamclose(conn, "Negotiate transfer completed");
+ Curl_cleanup_negotiate(data);
+ }
+#endif
+
/* set the proper values (possibly modified on POST) */
- conn->fread_func = data->set.fread_func; /* restore */
- conn->fread_in = data->set.in; /* restore */
conn->seek_func = data->set.seek_func; /* restore */
conn->seek_client = data->set.seek_client; /* restore */
- if(http == NULL)
+ if(!http)
return CURLE_OK;
if(http->send_buffer) {
- Curl_send_buffer *buff = http->send_buffer;
-
- free(buff->buffer);
- free(buff);
+ Curl_add_buffer_free(http->send_buffer);
http->send_buffer = NULL; /* clear the pointer */
}
- if(HTTPREQ_POST_FORM == data->set.httpreq) {
- data->req.bytecount = http->readbytecount + http->writebytecount;
+ Curl_http2_done(conn, premature);
- Curl_formclean(&http->sendit); /* Now free that whole lot */
- if(http->form.fp) {
- /* a file being uploaded was left opened, close it! */
- fclose(http->form.fp);
- http->form.fp = NULL;
- }
- }
- else if(HTTPREQ_PUT == data->set.httpreq)
+ Curl_mime_cleanpart(&http->form);
+
+ switch(data->set.httpreq) {
+ case HTTPREQ_PUT:
+ case HTTPREQ_POST_FORM:
+ case HTTPREQ_POST_MIME:
data->req.bytecount = http->readbytecount + http->writebytecount;
+ break;
+ default:
+ break;
+ }
- if(status != CURLE_OK)
- return (status);
+ if(status)
+ return status;
if(!premature && /* this check is pointless when DONE is called before the
entire operation is complete */
!conn->bits.retry &&
!data->set.connect_only &&
- ((http->readbytecount +
- data->req.headerbytecount -
- data->req.deductheadercount)) <= 0) {
+ (http->readbytecount +
+ data->req.headerbytecount -
+ data->req.deductheadercount) <= 0) {
/* If this connection isn't simply closed to be retried, AND nothing was
read from the HTTP server (that counts), this can't be right so we
return an error here */
return CURLE_OK;
}
-
/*
* Determine if we should use HTTP 1.1 (OR BETTER) for this request. Reasons
* to avoid it include:
* - if any server previously contacted to handle this request only supports
* 1.0.
*/
-static bool use_http_1_1plus(const struct SessionHandle *data,
+static bool use_http_1_1plus(const struct Curl_easy *data,
const struct connectdata *conn)
{
- return ((data->set.httpversion >= CURL_HTTP_VERSION_1_1) ||
- ((data->set.httpversion != CURL_HTTP_VERSION_1_0) &&
- ((conn->httpversion == 11) ||
- ((conn->httpversion != 10) &&
- (data->state.httpversion != 10))))) ? TRUE : FALSE;
+ if((data->state.httpversion == 10) || (conn->httpversion == 10))
+ return FALSE;
+ if((data->set.httpversion == CURL_HTTP_VERSION_1_0) &&
+ (conn->httpversion <= 10))
+ return FALSE;
+ return ((data->set.httpversion == CURL_HTTP_VERSION_NONE) ||
+ (data->set.httpversion >= CURL_HTTP_VERSION_1_1));
+}
+
+static const char *get_http_string(const struct Curl_easy *data,
+ const struct connectdata *conn)
+{
+#ifdef USE_NGHTTP2
+ if(conn->proto.httpc.h2)
+ return "2";
+#endif
+
+ if(use_http_1_1plus(data, conn))
+ return "1.1";
+
+ return "1.0";
}
/* check and possibly add an Expect: header */
-static CURLcode expect100(struct SessionHandle *data,
+static CURLcode expect100(struct Curl_easy *data,
struct connectdata *conn,
Curl_send_buffer *req_buffer)
{
const char *ptr;
data->state.expect100header = FALSE; /* default to false unless it is set
to TRUE below */
- if(conn->httpversion == 20) {
- /* We don't use Expect in HTTP2 */
- return CURLE_OK;
- }
- if(use_http_1_1plus(data, conn)) {
- /* if not doing HTTP 1.0 or disabled explicitly, we add a Expect:
- 100-continue to the headers which actually speeds up post operations
- (as there is one packet coming back from the web server) */
- ptr = Curl_checkheaders(conn, "Expect:");
+ if(use_http_1_1plus(data, conn) &&
+ (conn->httpversion != 20)) {
+ /* if not doing HTTP 1.0 or version 2, or disabled explicitly, we add an
+ Expect: 100-continue to the headers which actually speeds up post
+ operations (as there is one packet coming back from the web server) */
+ ptr = Curl_checkheaders(conn, "Expect");
if(ptr) {
data->state.expect100header =
Curl_compareheader(ptr, "Expect:", "100-continue");
else {
result = Curl_add_bufferf(req_buffer,
"Expect: 100-continue\r\n");
- if(result == CURLE_OK)
+ if(!result)
data->state.expect100header = TRUE;
}
}
+
return result;
}
+enum proxy_use {
+ HEADER_SERVER, /* direct to server */
+ HEADER_PROXY, /* regular request to proxy */
+ HEADER_CONNECT /* sending CONNECT to a proxy */
+};
+
CURLcode Curl_add_custom_headers(struct connectdata *conn,
- bool is_proxy,
+ bool is_connect,
Curl_send_buffer *req_buffer)
{
char *ptr;
- struct curl_slist *headers=
- (is_proxy && conn->data->set.sep_headers)?
- conn->data->set.proxyheaders:conn->data->set.headers;
+ struct curl_slist *h[2];
+ struct curl_slist *headers;
+ int numlists = 1; /* by default */
+ struct Curl_easy *data = conn->data;
+ int i;
- while(headers) {
- ptr = strchr(headers->data, ':');
- if(ptr) {
- /* we require a colon for this to be a true header */
+ enum proxy_use proxy;
- ptr++; /* pass the colon */
- while(*ptr && ISSPACE(*ptr))
- ptr++;
+ if(is_connect)
+ proxy = HEADER_CONNECT;
+ else
+ proxy = conn->bits.httpproxy && !conn->bits.tunnel_proxy?
+ HEADER_PROXY:HEADER_SERVER;
- if(*ptr) {
- /* only send this if the contents was non-blank */
-
- if(conn->allocptr.host &&
- /* a Host: header was sent already, don't pass on any custom Host:
- header as that will produce *two* in the same request! */
- checkprefix("Host:", headers->data))
- ;
- else if(conn->data->set.httpreq == HTTPREQ_POST_FORM &&
- /* this header (extended by formdata.c) is sent later */
- checkprefix("Content-Type:", headers->data))
- ;
- else if(conn->bits.authneg &&
- /* while doing auth neg, don't allow the custom length since
- we will force length zero then */
- checkprefix("Content-Length", headers->data))
- ;
- else if(conn->allocptr.te &&
- /* when asking for Transfer-Encoding, don't pass on a custom
- Connection: */
- checkprefix("Connection", headers->data))
- ;
- else {
- CURLcode result = Curl_add_bufferf(req_buffer, "%s\r\n",
- headers->data);
- if(result)
- return result;
+ switch(proxy) {
+ case HEADER_SERVER:
+ h[0] = data->set.headers;
+ break;
+ case HEADER_PROXY:
+ h[0] = data->set.headers;
+ if(data->set.sep_headers) {
+ h[1] = data->set.proxyheaders;
+ numlists++;
+ }
+ break;
+ case HEADER_CONNECT:
+ if(data->set.sep_headers)
+ h[0] = data->set.proxyheaders;
+ else
+ h[0] = data->set.headers;
+ break;
+ }
+
+ /* loop through one or two lists */
+ for(i = 0; i < numlists; i++) {
+ headers = h[i];
+
+ while(headers) {
+ char *semicolonp = NULL;
+ ptr = strchr(headers->data, ':');
+ if(!ptr) {
+ char *optr;
+ /* no colon, semicolon? */
+ ptr = strchr(headers->data, ';');
+ if(ptr) {
+ optr = ptr;
+ ptr++; /* pass the semicolon */
+ while(*ptr && ISSPACE(*ptr))
+ ptr++;
+
+ if(*ptr) {
+ /* this may be used for something else in the future */
+ optr = NULL;
+ }
+ else {
+ if(*(--ptr) == ';') {
+ /* send no-value custom header if terminated by semicolon */
+ *ptr = ':';
+ semicolonp = ptr;
+ }
+ }
+ ptr = optr;
}
}
- }
- else {
- ptr = strchr(headers->data, ';');
if(ptr) {
+ /* we require a colon for this to be a true header */
- ptr++; /* pass the semicolon */
+ ptr++; /* pass the colon */
while(*ptr && ISSPACE(*ptr))
ptr++;
- if(*ptr) {
- /* this may be used for something else in the future */
- }
- else {
- if(*(--ptr) == ';') {
- CURLcode result;
-
- /* send no-value custom header if terminated by semicolon */
- *ptr = ':';
- result = Curl_add_bufferf(req_buffer, "%s\r\n",
- headers->data);
- if(result)
- return result;
+ if(*ptr || semicolonp) {
+ /* only send this if the contents was non-blank or done special */
+ CURLcode result = CURLE_OK;
+
+ if(conn->allocptr.host &&
+ /* a Host: header was sent already, don't pass on any custom Host:
+ header as that will produce *two* in the same request! */
+ checkprefix("Host:", headers->data))
+ ;
+ else if(data->set.httpreq == HTTPREQ_POST_FORM &&
+ /* this header (extended by formdata.c) is sent later */
+ checkprefix("Content-Type:", headers->data))
+ ;
+ else if(data->set.httpreq == HTTPREQ_POST_MIME &&
+ /* this header is sent later */
+ checkprefix("Content-Type:", headers->data))
+ ;
+ else if(conn->bits.authneg &&
+ /* while doing auth neg, don't allow the custom length since
+ we will force length zero then */
+ checkprefix("Content-Length:", headers->data))
+ ;
+ else if(conn->allocptr.te &&
+ /* when asking for Transfer-Encoding, don't pass on a custom
+ Connection: */
+ checkprefix("Connection:", headers->data))
+ ;
+ else if((conn->httpversion == 20) &&
+ checkprefix("Transfer-Encoding:", headers->data))
+ /* HTTP/2 doesn't support chunked requests */
+ ;
+ else if(checkprefix("Authorization:", headers->data) &&
+ /* be careful of sending this potentially sensitive header to
+ other hosts */
+ (data->state.this_is_a_follow &&
+ data->state.first_host &&
+ !data->set.allow_auth_to_other_hosts &&
+ !strcasecompare(data->state.first_host, conn->host.name)))
+ ;
+ else {
+ result = Curl_add_bufferf(req_buffer, "%s\r\n", headers->data);
}
+ if(semicolonp)
+ *semicolonp = ';'; /* put back the semicolon */
+ if(result)
+ return result;
}
}
+ headers = headers->next;
}
- headers = headers->next;
}
+
return CURLE_OK;
}
-CURLcode Curl_add_timecondition(struct SessionHandle *data,
+CURLcode Curl_add_timecondition(struct Curl_easy *data,
Curl_send_buffer *req_buffer)
{
const struct tm *tm;
- char *buf = data->state.buffer;
- CURLcode result = CURLE_OK;
struct tm keeptime;
+ CURLcode result;
+ char datestr[80];
+ const char *condp;
+
+ if(data->set.timecondition == CURL_TIMECOND_NONE)
+ /* no condition was asked for */
+ return CURLE_OK;
result = Curl_gmtime(data->set.timevalue, &keeptime);
if(result) {
}
tm = &keeptime;
+ switch(data->set.timecondition) {
+ default:
+ return CURLE_BAD_FUNCTION_ARGUMENT;
+
+ case CURL_TIMECOND_IFMODSINCE:
+ condp = "If-Modified-Since";
+ break;
+ case CURL_TIMECOND_IFUNMODSINCE:
+ condp = "If-Unmodified-Since";
+ break;
+ case CURL_TIMECOND_LASTMOD:
+ condp = "Last-Modified";
+ break;
+ }
+
/* The If-Modified-Since header family should have their times set in
* GMT as RFC2616 defines: "All HTTP date/time stamps MUST be
* represented in Greenwich Mean Time (GMT), without exception. For the
*/
/* format: "Tue, 15 Nov 1994 12:45:26 GMT" */
- snprintf(buf, BUFSIZE-1,
- "%s, %02d %s %4d %02d:%02d:%02d GMT",
+ snprintf(datestr, sizeof(datestr),
+ "%s: %s, %02d %s %4d %02d:%02d:%02d GMT\r\n",
+ condp,
Curl_wkday[tm->tm_wday?tm->tm_wday-1:6],
tm->tm_mday,
Curl_month[tm->tm_mon],
tm->tm_min,
tm->tm_sec);
- switch(data->set.timecondition) {
- case CURL_TIMECOND_IFMODSINCE:
- default:
- result = Curl_add_bufferf(req_buffer,
- "If-Modified-Since: %s\r\n", buf);
- break;
- case CURL_TIMECOND_IFUNMODSINCE:
- result = Curl_add_bufferf(req_buffer,
- "If-Unmodified-Since: %s\r\n", buf);
- break;
- case CURL_TIMECOND_LASTMOD:
- result = Curl_add_bufferf(req_buffer,
- "Last-Modified: %s\r\n", buf);
- break;
- }
+ result = Curl_add_buffer(req_buffer, datestr, strlen(datestr));
return result;
}
/*
- * Curl_http() gets called from the generic Curl_do() function when a HTTP
+ * Curl_http() gets called from the generic multi_do() function when a HTTP
* request is to be performed. This creates and sends a properly constructed
* HTTP request.
*/
CURLcode Curl_http(struct connectdata *conn, bool *done)
{
- struct SessionHandle *data=conn->data;
- CURLcode result=CURLE_OK;
+ struct Curl_easy *data = conn->data;
+ CURLcode result = CURLE_OK;
struct HTTP *http;
const char *ppath = data->state.path;
bool paste_ftp_userpwd = FALSE;
const char *ptr;
const char *request;
Curl_HttpReq httpreq = data->set.httpreq;
+#if !defined(CURL_DISABLE_COOKIES)
char *addcookies = NULL;
+#endif
curl_off_t included_body = 0;
const char *httpstring;
Curl_send_buffer *req_buffer;
curl_off_t postsize = 0; /* curl_off_t to handle large file sizes */
- int seekerr = CURL_SEEKFUNC_OK;
+ int seekerr = CURL_SEEKFUNC_CANTSEEK;
/* Always consider the DO phase done after this function call, even if there
may be parts of the request that is not yet sent, since we can deal with
the rest of the request in the PERFORM phase. */
*done = TRUE;
- switch (conn->negnpn) {
- case NPN_HTTP2:
- Curl_http2_init(conn);
- Curl_http2_switched(conn);
+ if(conn->httpversion < 20) { /* unless the connection is re-used and already
+ http2 */
+ switch(conn->negnpn) {
+ case CURL_HTTP_VERSION_2:
+ conn->httpversion = 20; /* we know we're on HTTP/2 now */
+
+ result = Curl_http2_switched(conn, NULL, 0);
+ if(result)
+ return result;
break;
- case NPN_HTTP1_1:
+ case CURL_HTTP_VERSION_1_1:
/* continue with HTTP/1.1 when explicitly requested */
break;
default:
- /* and as fallback */
+ /* Check if user wants to use HTTP/2 with clear TCP*/
+#ifdef USE_NGHTTP2
+ if(conn->data->set.httpversion ==
+ CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE) {
+ DEBUGF(infof(data, "HTTP/2 over clean TCP\n"));
+ conn->httpversion = 20;
+
+ result = Curl_http2_switched(conn, NULL, 0);
+ if(result)
+ return result;
+ }
+#endif
break;
+ }
+ }
+ else {
+ /* prepare for a http2 request */
+ result = Curl_http2_setup(conn);
+ if(result)
+ return result;
}
http = data->req.protop;
if(!data->state.this_is_a_follow) {
- /* this is not a followed location, get the original host name */
- if(data->state.first_host)
- /* Free to avoid leaking memory on multiple requests*/
- free(data->state.first_host);
+ /* Free to avoid leaking memory on multiple requests*/
+ free(data->state.first_host);
data->state.first_host = strdup(conn->host.name);
if(!data->state.first_host)
return CURLE_OUT_OF_MEMORY;
+
+ data->state.first_remote_port = conn->remote_port;
}
http->writebytecount = http->readbytecount = 0;
- if((conn->handler->protocol&(CURLPROTO_HTTP|CURLPROTO_FTP)) &&
+ if((conn->handler->protocol&(PROTO_FAMILY_HTTP|CURLPROTO_FTP)) &&
data->set.upload) {
httpreq = HTTPREQ_PUT;
}
switch(httpreq) {
case HTTPREQ_POST:
case HTTPREQ_POST_FORM:
+ case HTTPREQ_POST_MIME:
request = "POST";
break;
case HTTPREQ_PUT:
request = "PUT";
break;
+ case HTTPREQ_OPTIONS:
+ request = "OPTIONS";
+ break;
default: /* this should never happen */
case HTTPREQ_GET:
request = "GET";
it might have been used in the proxy connect, but if we have got a header
with the user-agent string specified, we erase the previously made string
here. */
- if(Curl_checkheaders(conn, "User-Agent:") && conn->allocptr.uagent) {
+ if(Curl_checkheaders(conn, "User-Agent")) {
free(conn->allocptr.uagent);
- conn->allocptr.uagent=NULL;
+ conn->allocptr.uagent = NULL;
}
/* setup the authentication headers */
if(result)
return result;
- if((data->state.authhost.multi || data->state.authproxy.multi) &&
+ if((data->state.authhost.multipass || data->state.authproxy.multipass) &&
(httpreq != HTTPREQ_GET) &&
(httpreq != HTTPREQ_HEAD)) {
/* Auth is required and we are not authenticated yet. Make a PUT or POST
conn->bits.authneg = FALSE;
Curl_safefree(conn->allocptr.ref);
- if(data->change.referer && !Curl_checkheaders(conn, "Referer:")) {
+ if(data->change.referer && !Curl_checkheaders(conn, "Referer")) {
conn->allocptr.ref = aprintf("Referer: %s\r\n", data->change.referer);
if(!conn->allocptr.ref)
return CURLE_OUT_OF_MEMORY;
else
conn->allocptr.ref = NULL;
- if(data->set.str[STRING_COOKIE] && !Curl_checkheaders(conn, "Cookie:"))
+#if !defined(CURL_DISABLE_COOKIES)
+ if(data->set.str[STRING_COOKIE] && !Curl_checkheaders(conn, "Cookie"))
addcookies = data->set.str[STRING_COOKIE];
+#endif
- if(!Curl_checkheaders(conn, "Accept-Encoding:") &&
+ if(!Curl_checkheaders(conn, "Accept-Encoding") &&
data->set.str[STRING_ENCODING]) {
Curl_safefree(conn->allocptr.accept_encoding);
conn->allocptr.accept_encoding =
if(!conn->allocptr.accept_encoding)
return CURLE_OUT_OF_MEMORY;
}
+ else {
+ Curl_safefree(conn->allocptr.accept_encoding);
+ conn->allocptr.accept_encoding = NULL;
+ }
#ifdef HAVE_LIBZ
/* we only consider transfer-encoding magic if libz support is built-in */
- if(!Curl_checkheaders(conn, "TE:") &&
+ if(!Curl_checkheaders(conn, "TE") &&
data->set.http_transfer_encoding) {
/* When we are to insert a TE: header in the request, we must also insert
TE in a Connection: header, so we need to merge the custom provided
Connection: header and prevent the original to get sent. Note that if
the user has inserted his/hers own TE: header we don't do this magic
but then assume that the user will handle it all! */
- char *cptr = Curl_checkheaders(conn, "Connection:");
+ char *cptr = Curl_checkheaders(conn, "Connection");
#define TE_HEADER "TE: gzip\r\n"
Curl_safefree(conn->allocptr.te);
+ if(cptr) {
+ cptr = Curl_copy_header_value(cptr);
+ if(!cptr)
+ return CURLE_OUT_OF_MEMORY;
+ }
+
/* Create the (updated) Connection: header */
- conn->allocptr.te = cptr? aprintf("%s, TE\r\n" TE_HEADER, cptr):
- strdup("Connection: TE\r\n" TE_HEADER);
+ conn->allocptr.te = aprintf("Connection: %s%sTE\r\n" TE_HEADER,
+ cptr ? cptr : "", (cptr && *cptr) ? ", ":"");
+ free(cptr);
if(!conn->allocptr.te)
return CURLE_OUT_OF_MEMORY;
}
#endif
- if(conn->httpversion == 20)
- /* In HTTP2 forbids Transfer-Encoding: chunked */
- ptr = NULL;
+ switch(httpreq) {
+ case HTTPREQ_POST_MIME:
+ http->sendit = &data->set.mimepost;
+ break;
+ case HTTPREQ_POST_FORM:
+ /* Convert the form structure into a mime structure. */
+ Curl_mime_cleanpart(&http->form);
+ result = Curl_getformdata(data, &http->form, data->set.httppost,
+ data->state.fread_func);
+ if(result)
+ return result;
+ http->sendit = &http->form;
+ break;
+ default:
+ http->sendit = NULL;
+ }
+
+ if(http->sendit) {
+ const char *cthdr = Curl_checkheaders(conn, "Content-Type");
+
+ /* Read and seek body only. */
+ http->sendit->flags |= MIME_BODY_ONLY;
+
+ /* Prepare the mime structure headers & set content type. */
+
+ if(cthdr)
+ for(cthdr += 13; *cthdr == ' '; cthdr++)
+ ;
+ else if(http->sendit->kind == MIMEKIND_MULTIPART)
+ cthdr = "multipart/form-data";
+
+ curl_mime_headers(http->sendit, data->set.headers, 0);
+ result = Curl_mime_prepare_headers(http->sendit, cthdr,
+ NULL, MIMESTRATEGY_FORM);
+ curl_mime_headers(http->sendit, NULL, 0);
+ if(!result)
+ result = Curl_mime_rewind(http->sendit);
+ if(result)
+ return result;
+ http->postsize = Curl_mime_size(http->sendit);
+ }
+
+ ptr = Curl_checkheaders(conn, "Transfer-Encoding");
+ if(ptr) {
+ /* Some kind of TE is requested, check if 'chunked' is chosen */
+ data->req.upload_chunky =
+ Curl_compareheader(ptr, "Transfer-Encoding:", "chunked");
+ }
else {
- ptr = Curl_checkheaders(conn, "Transfer-Encoding:");
- if(ptr) {
- /* Some kind of TE is requested, check if 'chunked' is chosen */
- data->req.upload_chunky =
- Curl_compareheader(ptr, "Transfer-Encoding:", "chunked");
- }
- else {
- if((conn->handler->protocol&CURLPROTO_HTTP) &&
- data->set.upload &&
- (data->set.infilesize == -1)) {
- if(conn->bits.authneg)
- /* don't enable chunked during auth neg */
- ;
- else if(use_http_1_1plus(data, conn)) {
- /* HTTP, upload, unknown file size and not HTTP 1.0 */
- data->req.upload_chunky = TRUE;
- }
- else {
- failf(data, "Chunky upload is not supported by HTTP 1.0");
- return CURLE_UPLOAD_FAILED;
- }
+ if((conn->handler->protocol & PROTO_FAMILY_HTTP) &&
+ (((httpreq == HTTPREQ_POST_MIME || httpreq == HTTPREQ_POST_FORM) &&
+ http->postsize < 0) ||
+ (data->set.upload && data->state.infilesize == -1))) {
+ if(conn->bits.authneg)
+ /* don't enable chunked during auth neg */
+ ;
+ else if(use_http_1_1plus(data, conn)) {
+ /* HTTP, upload, unknown file size and not HTTP 1.0 */
+ data->req.upload_chunky = TRUE;
}
else {
- /* else, no chunky upload */
- data->req.upload_chunky = FALSE;
+ failf(data, "Chunky upload is not supported by HTTP 1.0");
+ return CURLE_UPLOAD_FAILED;
}
-
- if(data->req.upload_chunky)
- te = "Transfer-Encoding: chunked\r\n";
}
+ else {
+ /* else, no chunky upload */
+ data->req.upload_chunky = FALSE;
+ }
+
+ if(data->req.upload_chunky)
+ te = "Transfer-Encoding: chunked\r\n";
}
Curl_safefree(conn->allocptr.host);
- ptr = Curl_checkheaders(conn, "Host:");
+ ptr = Curl_checkheaders(conn, "Host");
if(ptr && (!data->state.this_is_a_follow ||
- Curl_raw_equal(data->state.first_host, conn->host.name))) {
+ strcasecompare(data->state.first_host, conn->host.name))) {
#if !defined(CURL_DISABLE_COOKIES)
/* If we have a given custom Host: header, we extract the host name in
order to possibly use it for cookie reasons later on. We only allow the
}
#endif
- conn->allocptr.host = NULL;
+ if(strcmp("Host:", ptr)) {
+ conn->allocptr.host = aprintf("Host:%s\r\n", &ptr[5]);
+ if(!conn->allocptr.host)
+ return CURLE_OUT_OF_MEMORY;
+ }
+ else
+ /* when clearing the header */
+ conn->allocptr.host = NULL;
}
else {
/* When building Host: headers, we must put the host name within
}
#ifndef CURL_DISABLE_PROXY
- if(conn->bits.httpproxy && !conn->bits.tunnel_proxy) {
+ if(conn->bits.httpproxy && !conn->bits.tunnel_proxy) {
/* Using a proxy but does not tunnel through it */
/* The path sent to the proxy is in fact the entire URL. But if the remote
/* when doing ftp, append ;type=<a|i> if not present */
char *type = strstr(ppath, ";type=");
if(type && type[6] && type[7] == 0) {
- switch (Curl_raw_toupper(type[6])) {
+ switch(Curl_raw_toupper(type[6])) {
case 'A':
case 'D':
case 'I':
}
#endif /* CURL_DISABLE_PROXY */
- if(HTTPREQ_POST_FORM == httpreq) {
- /* we must build the whole post sequence first, so that we have a size of
- the whole transfer before we start to send it */
- result = Curl_getformdata(data, &http->sendit, data->set.httppost,
- Curl_checkheaders(conn, "Content-Type:"),
- &http->postsize);
- if(result)
- return result;
- }
-
- http->p_accept = Curl_checkheaders(conn, "Accept:")?NULL:"Accept: */*\r\n";
+ http->p_accept = Curl_checkheaders(conn, "Accept")?NULL:"Accept: */*\r\n";
- if(( (HTTPREQ_POST == httpreq) ||
- (HTTPREQ_POST_FORM == httpreq) ||
- (HTTPREQ_PUT == httpreq) ) &&
+ if((HTTPREQ_POST == httpreq || HTTPREQ_PUT == httpreq) &&
data->state.resume_from) {
/**********************************************************************
* Resuming upload in HTTP means that we PUT or POST and that we have
* a Range: header that will be passed along. We need to "fast forward"
* the file the given number of bytes and decrease the assume upload
* file size before we continue this venture in the dark lands of HTTP.
+ * Resuming mime/form posting at an offset > 0 has no sense and is ignored.
*********************************************************************/
- if(data->state.resume_from < 0 ) {
+ if(data->state.resume_from < 0) {
/*
* This is meant to get the size of the present remote-file by itself.
* We don't support this now. Bail out!
/* Now, let's read off the proper amount of bytes from the
input. */
if(conn->seek_func) {
+ Curl_set_in_callback(data, true);
seekerr = conn->seek_func(conn->seek_client, data->state.resume_from,
SEEK_SET);
+ Curl_set_in_callback(data, false);
}
if(seekerr != CURL_SEEKFUNC_OK) {
+ curl_off_t passed = 0;
+
if(seekerr != CURL_SEEKFUNC_CANTSEEK) {
failf(data, "Could not seek stream");
return CURLE_READ_ERROR;
}
/* when seekerr == CURL_SEEKFUNC_CANTSEEK (can't seek to offset) */
- else {
- curl_off_t passed=0;
- do {
- size_t readthisamountnow =
- (data->state.resume_from - passed > CURL_OFF_T_C(BUFSIZE)) ?
- BUFSIZE : curlx_sotouz(data->state.resume_from - passed);
-
- size_t actuallyread =
- data->set.fread_func(data->state.buffer, 1, readthisamountnow,
- data->set.in);
-
- passed += actuallyread;
- if((actuallyread == 0) || (actuallyread > readthisamountnow)) {
- /* this checks for greater-than only to make sure that the
- CURL_READFUNC_ABORT return code still aborts */
- failf(data, "Could only read %" CURL_FORMAT_CURL_OFF_T
- " bytes from the input", passed);
- return CURLE_READ_ERROR;
- }
- } while(passed < data->state.resume_from);
- }
+ do {
+ size_t readthisamountnow =
+ (data->state.resume_from - passed > data->set.buffer_size) ?
+ (size_t)data->set.buffer_size :
+ curlx_sotouz(data->state.resume_from - passed);
+
+ size_t actuallyread =
+ data->state.fread_func(data->state.buffer, 1, readthisamountnow,
+ data->state.in);
+
+ passed += actuallyread;
+ if((actuallyread == 0) || (actuallyread > readthisamountnow)) {
+ /* this checks for greater-than only to make sure that the
+ CURL_READFUNC_ABORT return code still aborts */
+ failf(data, "Could only read %" CURL_FORMAT_CURL_OFF_T
+ " bytes from the input", passed);
+ return CURLE_READ_ERROR;
+ }
+ } while(passed < data->state.resume_from);
}
/* now, decrease the size of the read */
- if(data->set.infilesize>0) {
- data->set.infilesize -= data->state.resume_from;
+ if(data->state.infilesize>0) {
+ data->state.infilesize -= data->state.resume_from;
- if(data->set.infilesize <= 0) {
+ if(data->state.infilesize <= 0) {
failf(data, "File already completely uploaded");
return CURLE_PARTIAL_FILE;
}
* ones if any such are specified.
*/
if(((httpreq == HTTPREQ_GET) || (httpreq == HTTPREQ_HEAD)) &&
- !Curl_checkheaders(conn, "Range:")) {
+ !Curl_checkheaders(conn, "Range")) {
/* if a line like this was already allocated, free the previous one */
- if(conn->allocptr.rangeline)
- free(conn->allocptr.rangeline);
+ free(conn->allocptr.rangeline);
conn->allocptr.rangeline = aprintf("Range: bytes=%s\r\n",
data->state.range);
}
- else if((httpreq != HTTPREQ_GET) &&
- !Curl_checkheaders(conn, "Content-Range:")) {
+ else if((httpreq == HTTPREQ_POST || httpreq == HTTPREQ_PUT) &&
+ !Curl_checkheaders(conn, "Content-Range")) {
/* if a line like this was already allocated, free the previous one */
- if(conn->allocptr.rangeline)
- free(conn->allocptr.rangeline);
+ free(conn->allocptr.rangeline);
if(data->set.set_resume_from < 0) {
/* Upload resume was asked for, but we don't know the size of the
conn->allocptr.rangeline =
aprintf("Content-Range: bytes 0-%" CURL_FORMAT_CURL_OFF_T
"/%" CURL_FORMAT_CURL_OFF_T "\r\n",
- data->set.infilesize - 1, data->set.infilesize);
+ data->state.infilesize - 1, data->state.infilesize);
}
else if(data->state.resume_from) {
/* This is because "resume" was selected */
- curl_off_t total_expected_size=
- data->state.resume_from + data->set.infilesize;
+ curl_off_t total_expected_size =
+ data->state.resume_from + data->state.infilesize;
conn->allocptr.rangeline =
aprintf("Content-Range: bytes %s%" CURL_FORMAT_CURL_OFF_T
"/%" CURL_FORMAT_CURL_OFF_T "\r\n",
append total size */
conn->allocptr.rangeline =
aprintf("Content-Range: bytes %s/%" CURL_FORMAT_CURL_OFF_T "\r\n",
- data->state.range, data->set.infilesize);
+ data->state.range, data->state.infilesize);
}
if(!conn->allocptr.rangeline)
return CURLE_OUT_OF_MEMORY;
}
}
- /* Use 1.1 unless the user specifically asked for 1.0 or the server only
- supports 1.0 */
- httpstring= use_http_1_1plus(data, conn)?"1.1":"1.0";
+ httpstring = get_http_string(data, conn);
/* initialize a dynamic send-buffer */
req_buffer = Curl_add_buffer_init();
if(result)
return result;
+ if(data->set.str[STRING_TARGET])
+ ppath = data->set.str[STRING_TARGET];
+
/* url */
if(paste_ftp_userpwd)
result = Curl_add_bufferf(req_buffer, "ftp://%s:%s@%s",
Curl_add_bufferf(req_buffer,
"%s" /* ftp typecode (;type=x) */
" HTTP/%s\r\n" /* HTTP version */
+ "%s" /* host */
"%s" /* proxyuserpwd */
"%s" /* userpwd */
"%s" /* range */
"%s" /* user agent */
- "%s" /* host */
"%s" /* accept */
"%s" /* TE: */
"%s" /* accept-encoding */
ftp_typecode,
httpstring,
+ (conn->allocptr.host?conn->allocptr.host:""),
conn->allocptr.proxyuserpwd?
conn->allocptr.proxyuserpwd:"",
conn->allocptr.userpwd?conn->allocptr.userpwd:"",
*data->set.str[STRING_USERAGENT] &&
conn->allocptr.uagent)?
conn->allocptr.uagent:"",
- (conn->allocptr.host?conn->allocptr.host:""),
http->p_accept?http->p_accept:"",
conn->allocptr.te?conn->allocptr.te:"",
(data->set.str[STRING_ENCODING] &&
conn->allocptr.ref:"" /* Referer: <data> */,
(conn->bits.httpproxy &&
!conn->bits.tunnel_proxy &&
- !Curl_checkProxyheaders(conn, "Proxy-Connection:"))?
+ !Curl_checkProxyheaders(conn, "Proxy-Connection"))?
"Proxy-Connection: Keep-Alive\r\n":"",
te
);
- /*
- * Free userpwd now --- cannot reuse this for Negotiate and possibly NTLM
- * with basic and digest, it will be freed anyway by the next request
- */
-
- Curl_safefree (conn->allocptr.userpwd);
- conn->allocptr.userpwd = NULL;
+ /* clear userpwd and proxyuserpwd to avoid re-using old credentials
+ * from re-used connections */
+ Curl_safefree(conn->allocptr.userpwd);
+ Curl_safefree(conn->allocptr.proxyuserpwd);
if(result)
return result;
if(!(conn->handler->flags&PROTOPT_SSL) &&
- (data->set.httpversion == CURL_HTTP_VERSION_2_0)) {
- /* append HTTP2 updrade magic stuff to the HTTP request if it isn't done
+ conn->httpversion != 20 &&
+ (data->set.httpversion == CURL_HTTP_VERSION_2)) {
+ /* append HTTP2 upgrade magic stuff to the HTTP request if it isn't done
over SSL */
result = Curl_http2_request_upgrade(req_buffer, conn);
if(result)
#if !defined(CURL_DISABLE_COOKIES)
if(data->cookies || addcookies) {
- struct Cookie *co=NULL; /* no cookies from start */
- int count=0;
+ struct Cookie *co = NULL; /* no cookies from start */
+ int count = 0;
if(data->cookies) {
Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE);
Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE);
}
if(co) {
- struct Cookie *store=co;
+ struct Cookie *store = co;
/* now loop through all cookies that matched */
while(co) {
if(co->value) {
}
co = co->next; /* next cookie please */
}
- Curl_cookie_freelist(store, FALSE); /* free the cookie list */
+ Curl_cookie_freelist(store);
}
- if(addcookies && (CURLE_OK == result)) {
+ if(addcookies && !result) {
if(!count)
result = Curl_add_bufferf(req_buffer, "Cookie: ");
- if(CURLE_OK == result) {
- result = Curl_add_bufferf(req_buffer, "%s%s",
- count?"; ":"",
+ if(!result) {
+ result = Curl_add_bufferf(req_buffer, "%s%s", count?"; ":"",
addcookies);
count++;
}
}
- if(count && (CURLE_OK == result))
+ if(count && !result)
result = Curl_add_buffer(req_buffer, "\r\n", 2);
if(result)
}
#endif
- if(data->set.timecondition) {
- result = Curl_add_timecondition(data, req_buffer);
- if(result)
- return result;
- }
+ result = Curl_add_timecondition(data, req_buffer);
+ if(result)
+ return result;
result = Curl_add_custom_headers(conn, FALSE, req_buffer);
if(result)
return result;
http->postdata = NULL; /* nothing to post at this point */
- Curl_pgrsSetUploadSize(data, 0); /* upload size is 0 atm */
+ Curl_pgrsSetUploadSize(data, -1); /* upload size is unknown atm */
/* If 'authdone' is FALSE, we must not set the write socket index to the
Curl_transfer() call below, as we're not ready to actually upload any
switch(httpreq) {
- case HTTPREQ_POST_FORM:
- if(!http->sendit || conn->bits.authneg) {
- /* nothing to post! */
- result = Curl_add_bufferf(req_buffer, "Content-Length: 0\r\n\r\n");
- if(result)
- return result;
-
- result = Curl_add_buffer_send(req_buffer, conn,
- &data->info.request_size, 0, FIRSTSOCKET);
- if(result)
- failf(data, "Failed sending POST request");
- else
- /* setup variables for the upcoming transfer */
- Curl_setup_transfer(conn, FIRSTSOCKET, -1, TRUE, &http->readbytecount,
- -1, NULL);
- break;
- }
-
- if(Curl_FormInit(&http->form, http->sendit)) {
- failf(data, "Internal HTTP POST error!");
- return CURLE_HTTP_POST_ERROR;
- }
-
- /* Get the currently set callback function pointer and store that in the
- form struct since we might want the actual user-provided callback later
- on. The conn->fread_func pointer itself will be changed for the
- multipart case to the function that returns a multipart formatted
- stream. */
- http->form.fread_func = conn->fread_func;
-
- /* Set the read function to read from the generated form data */
- conn->fread_func = (curl_read_callback)Curl_FormReader;
- conn->fread_in = &http->form;
+ case HTTPREQ_PUT: /* Let's PUT the data to the server! */
- http->sending = HTTPSEND_BODY;
+ if(conn->bits.authneg)
+ postsize = 0;
+ else
+ postsize = data->state.infilesize;
- if(!data->req.upload_chunky &&
- !Curl_checkheaders(conn, "Content-Length:")) {
+ if((postsize != -1) && !data->req.upload_chunky &&
+ (conn->bits.authneg || !Curl_checkheaders(conn, "Content-Length"))) {
/* only add Content-Length if not uploading chunked */
result = Curl_add_bufferf(req_buffer,
"Content-Length: %" CURL_FORMAT_CURL_OFF_T
- "\r\n", http->postsize);
+ "\r\n", postsize);
if(result)
return result;
}
- result = expect100(data, conn, req_buffer);
- if(result)
- return result;
-
- {
-
- /* Get Content-Type: line from Curl_formpostheader.
- */
- char *contentType;
- size_t linelength=0;
- contentType = Curl_formpostheader((void *)&http->form,
- &linelength);
- if(!contentType) {
- failf(data, "Could not get Content-Type header line!");
- return CURLE_HTTP_POST_ERROR;
- }
-
- result = Curl_add_buffer(req_buffer, contentType, linelength);
+ if(postsize != 0) {
+ result = expect100(data, conn, req_buffer);
if(result)
return result;
}
- /* make the request end in a true CRLF */
- result = Curl_add_buffer(req_buffer, "\r\n", 2);
+ result = Curl_add_buffer(req_buffer, "\r\n", 2); /* end of headers */
if(result)
return result;
- /* set upload size to the progress meter */
- Curl_pgrsSetUploadSize(data, http->postsize);
+ /* set the upload size to the progress meter */
+ Curl_pgrsSetUploadSize(data, postsize);
- /* fire away the whole request to the server */
+ /* this sends the buffer and frees all the buffer resources */
result = Curl_add_buffer_send(req_buffer, conn,
&data->info.request_size, 0, FIRSTSOCKET);
if(result)
- failf(data, "Failed sending POST request");
+ failf(data, "Failed sending PUT request");
else
- /* setup variables for the upcoming transfer */
+ /* prepare for transfer */
Curl_setup_transfer(conn, FIRSTSOCKET, -1, TRUE,
- &http->readbytecount, FIRSTSOCKET,
- &http->writebytecount);
-
- if(result) {
- Curl_formclean(&http->sendit); /* free that whole lot */
- return result;
- }
-
- /* convert the form data */
- result = Curl_convert_form(data, http->sendit);
- if(result) {
- Curl_formclean(&http->sendit); /* free that whole lot */
+ &http->readbytecount, postsize?FIRSTSOCKET:-1,
+ postsize?&http->writebytecount:NULL);
+ if(result)
return result;
- }
-
break;
- case HTTPREQ_PUT: /* Let's PUT the data to the server! */
+ case HTTPREQ_POST_FORM:
+ case HTTPREQ_POST_MIME:
+ /* This is form posting using mime data. */
+ if(conn->bits.authneg) {
+ /* nothing to post! */
+ result = Curl_add_bufferf(req_buffer, "Content-Length: 0\r\n\r\n");
+ if(result)
+ return result;
- if(conn->bits.authneg)
- postsize = 0;
- else
- postsize = data->set.infilesize;
+ result = Curl_add_buffer_send(req_buffer, conn,
+ &data->info.request_size, 0, FIRSTSOCKET);
+ if(result)
+ failf(data, "Failed sending POST request");
+ else
+ /* setup variables for the upcoming transfer */
+ Curl_setup_transfer(conn, FIRSTSOCKET, -1, TRUE, &http->readbytecount,
+ -1, NULL);
+ break;
+ }
- if((postsize != -1) && !data->req.upload_chunky &&
- !Curl_checkheaders(conn, "Content-Length:")) {
- /* only add Content-Length if not uploading chunked */
+ postsize = http->postsize;
+
+ /* We only set Content-Length and allow a custom Content-Length if
+ we don't upload data chunked, as RFC2616 forbids us to set both
+ kinds of headers (Transfer-Encoding: chunked and Content-Length) */
+ if(postsize != -1 && !data->req.upload_chunky &&
+ (conn->bits.authneg || !Curl_checkheaders(conn, "Content-Length"))) {
+ /* we allow replacing this header if not during auth negotiation,
+ although it isn't very wise to actually set your own */
result = Curl_add_bufferf(req_buffer,
"Content-Length: %" CURL_FORMAT_CURL_OFF_T
"\r\n", postsize);
return result;
}
- if(postsize != 0) {
+ /* Output mime-generated headers. */
+ {
+ struct curl_slist *hdr;
+
+ for(hdr = http->sendit->curlheaders; hdr; hdr = hdr->next) {
+ result = Curl_add_bufferf(req_buffer, "%s\r\n", hdr->data);
+ if(result)
+ return result;
+ }
+ }
+
+ /* For really small posts we don't use Expect: headers at all, and for
+ the somewhat bigger ones we allow the app to disable it. Just make
+ sure that the expect100header is always set to the preferred value
+ here. */
+ ptr = Curl_checkheaders(conn, "Expect");
+ if(ptr) {
+ data->state.expect100header =
+ Curl_compareheader(ptr, "Expect:", "100-continue");
+ }
+ else if(postsize > EXPECT_100_THRESHOLD || postsize < 0) {
result = expect100(data, conn, req_buffer);
if(result)
return result;
}
+ else
+ data->state.expect100header = FALSE;
- result = Curl_add_buffer(req_buffer, "\r\n", 2); /* end of headers */
+ /* make the request end in a true CRLF */
+ result = Curl_add_buffer(req_buffer, "\r\n", 2);
if(result)
return result;
/* set the upload size to the progress meter */
Curl_pgrsSetUploadSize(data, postsize);
+ /* Read from mime structure. */
+ data->state.fread_func = (curl_read_callback) Curl_mime_read;
+ data->state.in = (void *) http->sendit;
+ http->sending = HTTPSEND_BODY;
+
/* this sends the buffer and frees all the buffer resources */
result = Curl_add_buffer_send(req_buffer, conn,
&data->info.request_size, 0, FIRSTSOCKET);
if(result)
- failf(data, "Failed sending PUT request");
+ failf(data, "Failed sending POST request");
else
/* prepare for transfer */
Curl_setup_transfer(conn, FIRSTSOCKET, -1, TRUE,
postsize?&http->writebytecount:NULL);
if(result)
return result;
+
break;
case HTTPREQ_POST:
if(conn->bits.authneg)
postsize = 0;
- else {
- /* figure out the size of the postfields */
- postsize = (data->set.postfieldsize != -1)?
- data->set.postfieldsize:
- (data->set.postfields? (curl_off_t)strlen(data->set.postfields):-1);
- }
+ else
+ /* the size of the post body */
+ postsize = data->state.infilesize;
/* We only set Content-Length and allow a custom Content-Length if
we don't upload data chunked, as RFC2616 forbids us to set both
kinds of headers (Transfer-Encoding: chunked and Content-Length) */
if((postsize != -1) && !data->req.upload_chunky &&
- !Curl_checkheaders(conn, "Content-Length:")) {
+ (conn->bits.authneg || !Curl_checkheaders(conn, "Content-Length"))) {
/* we allow replacing this header if not during auth negotiation,
although it isn't very wise to actually set your own */
result = Curl_add_bufferf(req_buffer,
return result;
}
- if(!Curl_checkheaders(conn, "Content-Type:")) {
+ if(!Curl_checkheaders(conn, "Content-Type")) {
result = Curl_add_bufferf(req_buffer,
"Content-Type: application/"
"x-www-form-urlencoded\r\n");
the somewhat bigger ones we allow the app to disable it. Just make
sure that the expect100header is always set to the preferred value
here. */
- ptr = Curl_checkheaders(conn, "Expect:");
+ ptr = Curl_checkheaders(conn, "Expect");
if(ptr) {
data->state.expect100header =
Curl_compareheader(ptr, "Expect:", "100-continue");
}
- else if(postsize > TINY_INITIAL_POST_SIZE || postsize < 0) {
+ else if(postsize > EXPECT_100_THRESHOLD || postsize < 0) {
result = expect100(data, conn, req_buffer);
if(result)
return result;
its size. */
if(conn->httpversion != 20 &&
!data->state.expect100header &&
- (postsize < MAX_INITIAL_POST_SIZE)) {
+ (postsize < MAX_INITIAL_POST_SIZE)) {
/* if we don't use expect: 100 AND
postsize is less than MAX_INITIAL_POST_SIZE
if(postsize) {
/* Append the POST data chunky-style */
result = Curl_add_bufferf(req_buffer, "%x\r\n", (int)postsize);
- if(CURLE_OK == result) {
+ if(!result) {
result = Curl_add_buffer(req_buffer, data->set.postfields,
(size_t)postsize);
- if(CURLE_OK == result)
- result = Curl_add_buffer(req_buffer, "\r\n", 2);
+ if(!result)
+ result = Curl_add_buffer(req_buffer, "\r\n", 2);
included_body = postsize + 2;
}
}
- if(CURLE_OK == result)
- result = Curl_add_buffer(req_buffer,
- "\x30\x0d\x0a\x0d\x0a", 5);
+ if(!result)
+ result = Curl_add_buffer(req_buffer, "\x30\x0d\x0a\x0d\x0a", 5);
/* 0 CR LF CR LF */
included_body += 5;
}
http->sending = HTTPSEND_BODY;
- conn->fread_func = (curl_read_callback)readmoredata;
- conn->fread_in = (void *)conn;
+ data->state.fread_func = (curl_read_callback)readmoredata;
+ data->state.in = (void *)conn;
/* set the upload size to the progress meter */
Curl_pgrsSetUploadSize(data, http->postsize);
return result;
}
- else if(data->set.postfieldsize) {
+ else if(data->state.infilesize) {
/* set the upload size to the progress meter */
Curl_pgrsSetUploadSize(data, postsize?postsize:-1);
data->req.upload_done = TRUE;
data->req.keepon &= ~KEEP_SEND; /* we're done writing */
data->req.exp100 = EXP100_SEND_DATA; /* already sent */
+ Curl_expire_done(data, EXPIRE_100_TIMEOUT);
}
}
+ if((conn->httpversion == 20) && data->req.upload_chunky)
+ /* upload_chunky was set above to set up the request in a chunky fashion,
+ but is disabled here again to avoid that the chunked encoded version is
+ actually used when sending the request body over h2 */
+ data->req.upload_chunky = FALSE;
return result;
}
* Returns TRUE if member of the list matches prefix of string
*/
static bool
-checkhttpprefix(struct SessionHandle *data,
+checkhttpprefix(struct Curl_easy *data,
const char *s)
{
struct curl_slist *head = data->set.http200aliases;
/* convert from the network encoding using a scratch area */
char *scratch = strdup(s);
if(NULL == scratch) {
- failf (data, "Failed to allocate memory for conversion!");
+ failf(data, "Failed to allocate memory for conversion!");
return FALSE; /* can't return CURLE_OUT_OF_MEMORY so return FALSE */
}
- if(CURLE_OK != Curl_convert_from_network(data, scratch, strlen(s)+1)) {
+ if(CURLE_OK != Curl_convert_from_network(data, scratch, strlen(s) + 1)) {
/* Curl_convert_from_network calls failf if unsuccessful */
free(scratch);
return FALSE; /* can't return CURLE_foobar so return FALSE */
#ifndef CURL_DISABLE_RTSP
static bool
-checkrtspprefix(struct SessionHandle *data,
+checkrtspprefix(struct Curl_easy *data,
const char *s)
{
+ bool result = FALSE;
#ifdef CURL_DOES_CONVERSIONS
/* convert from the network encoding using a scratch area */
char *scratch = strdup(s);
if(NULL == scratch) {
- failf (data, "Failed to allocate memory for conversion!");
+ failf(data, "Failed to allocate memory for conversion!");
return FALSE; /* can't return CURLE_OUT_OF_MEMORY so return FALSE */
}
- if(CURLE_OK != Curl_convert_from_network(data, scratch, strlen(s)+1)) {
+ if(CURLE_OK != Curl_convert_from_network(data, scratch, strlen(s) + 1)) {
/* Curl_convert_from_network calls failf if unsuccessful */
- free(scratch);
- return FALSE; /* can't return CURLE_foobar so return FALSE */
+ result = FALSE; /* can't return CURLE_foobar so return FALSE */
}
- s = scratch;
+ else
+ result = checkprefix("RTSP/", scratch)? TRUE: FALSE;
+ free(scratch);
#else
(void)data; /* unused */
+ result = checkprefix("RTSP/", s)? TRUE: FALSE;
#endif /* CURL_DOES_CONVERSIONS */
- if(checkprefix("RTSP/", s))
- return TRUE;
- else
- return FALSE;
+
+ return result;
}
#endif /* CURL_DISABLE_RTSP */
static bool
-checkprotoprefix(struct SessionHandle *data, struct connectdata *conn,
+checkprotoprefix(struct Curl_easy *data, struct connectdata *conn,
const char *s)
{
#ifndef CURL_DISABLE_RTSP
* header. We make sure that the full string fit in the allocated header
* buffer, or else we enlarge it.
*/
-static CURLcode header_append(struct SessionHandle *data,
+static CURLcode header_append(struct Curl_easy *data,
struct SingleRequest *k,
size_t length)
{
- if(k->hbuflen + length >= data->state.headersize) {
+ size_t newsize = k->hbuflen + length;
+ if(newsize > CURL_MAX_HTTP_HEADER) {
+ /* The reason to have a max limit for this is to avoid the risk of a bad
+ server feeding libcurl with a never-ending header that will cause
+ reallocs infinitely */
+ failf(data, "Rejected %zd bytes header (max is %d)!", newsize,
+ CURL_MAX_HTTP_HEADER);
+ return CURLE_OUT_OF_MEMORY;
+ }
+ if(newsize >= data->state.headersize) {
/* We enlarge the header buffer as it is too small */
char *newbuff;
size_t hbufp_index;
- size_t newsize;
-
- if(k->hbuflen + length > CURL_MAX_HTTP_HEADER) {
- /* The reason to have a max limit for this is to avoid the risk of a bad
- server feeding libcurl with a never-ending header that will cause
- reallocs infinitely */
- failf (data, "Avoided giant realloc for header (max is %d)!",
- CURL_MAX_HTTP_HEADER);
- return CURLE_OUT_OF_MEMORY;
- }
- newsize=CURLMAX((k->hbuflen+ length)*3/2, data->state.headersize*2);
+ newsize = CURLMAX((k->hbuflen + length) * 3 / 2, data->state.headersize*2);
hbufp_index = k->hbufp - data->state.headerbuff;
newbuff = realloc(data->state.headerbuff, newsize);
if(!newbuff) {
- failf (data, "Failed to alloc memory for big header!");
+ failf(data, "Failed to alloc memory for big header!");
return CURLE_OUT_OF_MEMORY;
}
- data->state.headersize=newsize;
+ data->state.headersize = newsize;
data->state.headerbuff = newbuff;
k->hbufp = data->state.headerbuff + hbufp_index;
}
return CURLE_OK;
}
-static void print_http_error(struct SessionHandle *data)
+static void print_http_error(struct Curl_easy *data)
{
struct SingleRequest *k = &data->req;
char *beg = k->p;
/*
* Read any HTTP header lines from the server and pass them to the client app.
*/
-CURLcode Curl_http_readwrite_headers(struct SessionHandle *data,
+CURLcode Curl_http_readwrite_headers(struct Curl_easy *data,
struct connectdata *conn,
ssize_t *nread,
bool *stop_reading)
{
CURLcode result;
struct SingleRequest *k = &data->req;
+ ssize_t onread = *nread;
+ char *ostr = k->str;
/* header line within buffer loop */
do {
}
/* decrease the size of the remaining (supposed) header line */
- rest_length = (k->end_ptr - k->str)+1;
+ rest_length = (k->end_ptr - k->str) + 1;
*nread -= (ssize_t)rest_length;
k->str = k->end_ptr + 1; /* move past new line */
else {
/* this was all we read so it's all a bad header */
k->badheader = HEADER_ALLBAD;
- *nread = (ssize_t)rest_length;
+ *nread = onread;
+ k->str = ostr;
+ return CURLE_OK;
}
break;
}
#endif /* CURL_DOES_CONVERSIONS */
if(100 <= k->httpcode && 199 >= k->httpcode) {
- /*
- * We have made a HTTP PUT or POST and this is 1.1-lingo
- * that tells us that the server is OK with this and ready
- * to receive the data.
- * However, we'll get more headers now so we must get
- * back into the header-parsing state!
- */
- k->header = TRUE;
- k->headerline = 0; /* restart the header line counter */
-
/* "A user agent MAY ignore unexpected 1xx status responses." */
switch(k->httpcode) {
case 100:
+ /*
+ * We have made a HTTP PUT or POST and this is 1.1-lingo
+ * that tells us that the server is OK with this and ready
+ * to receive the data.
+ * However, we'll get more headers now so we must get
+ * back into the header-parsing state!
+ */
+ k->header = TRUE;
+ k->headerline = 0; /* restart the header line counter */
+
/* if we did wait for this do enable write now! */
- if(k->exp100) {
+ if(k->exp100 > EXP100_SEND_DATA) {
k->exp100 = EXP100_SEND_DATA;
k->keepon |= KEEP_SEND;
+ Curl_expire_done(data, EXPIRE_100_TIMEOUT);
}
break;
case 101:
/* Switching Protocols */
if(k->upgr101 == UPGR101_REQUESTED) {
+ /* Switching to HTTP/2 */
infof(data, "Received 101\n");
k->upgr101 = UPGR101_RECEIVED;
- /* switch to http2 now */
- Curl_http2_switched(conn);
+ /* we'll get more headers (HTTP/2 response) */
+ k->header = TRUE;
+ k->headerline = 0; /* restart the header line counter */
+
+ /* switch to http2 now. The bytes after response headers
+ are also processed here, otherwise they are lost. */
+ result = Curl_http2_switched(conn, k->str, *nread);
+ if(result)
+ return result;
+ *nread = 0;
+ }
+ else {
+ /* Switching to another protocol (e.g. WebSocket) */
+ k->header = FALSE; /* no more header to parse! */
}
break;
default:
+ /* the status code 1xx indicates a provisional response, so
+ we'll get another set of headers */
+ k->header = TRUE;
+ k->headerline = 0; /* restart the header line counter */
break;
}
}
k->header = FALSE; /* no more header to parse! */
if((k->size == -1) && !k->chunk && !conn->bits.close &&
- (conn->httpversion >= 11) &&
+ (conn->httpversion == 11) &&
!(conn->handler->protocol & CURLPROTO_RTSP) &&
data->set.httpreq != HTTPREQ_HEAD) {
/* On HTTP 1.1, when connection is not to get closed, but no
- Content-Length nor Content-Encoding chunked have been
+ Content-Length nor Transfer-Encoding chunked have been
received, according to RFC2616 section 4.4 point 5, we
assume that the server will close the connection to
signal the end of the document. */
infof(data, "no chunk, no close, no size. Assume close to "
"signal end\n");
- conn->bits.close = TRUE;
+ streamclose(conn, "HTTP: No end-of-message indicator");
}
}
+ /* At this point we have some idea about the fate of the connection.
+ If we are closing the connection it may result auth failure. */
+#if defined(USE_NTLM)
+ if(conn->bits.close &&
+ (((data->req.httpcode == 401) &&
+ (conn->ntlm.state == NTLMSTATE_TYPE2)) ||
+ ((data->req.httpcode == 407) &&
+ (conn->proxyntlm.state == NTLMSTATE_TYPE2)))) {
+ infof(data, "Connection closure while negotiating auth (HTTP 1.0?)\n");
+ data->state.authproblem = TRUE;
+ }
+#endif
+
/*
* When all the headers have been parsed, see if we should give
* up and return an error.
*/
if(http_should_fail(conn)) {
- failf (data, "The requested URL returned error: %d",
- k->httpcode);
+ failf(data, "The requested URL returned error: %d",
+ k->httpcode);
return CURLE_HTTP_RETURNED_ERROR;
}
data->req.deductheadercount =
(100 <= k->httpcode && 199 >= k->httpcode)?data->req.headerbytecount:0;
- if(!*stop_reading) {
- /* Curl_http_auth_act() checks what authentication methods
- * that are available and decides which one (if any) to
- * use. It will set 'newurl' if an auth method was picked. */
- result = Curl_http_auth_act(conn);
+ /* Curl_http_auth_act() checks what authentication methods
+ * that are available and decides which one (if any) to
+ * use. It will set 'newurl' if an auth method was picked. */
+ result = Curl_http_auth_act(conn);
- if(result)
- return result;
+ if(result)
+ return result;
- if(k->httpcode >= 300) {
- if((!conn->bits.authneg) && !conn->bits.close &&
- !conn->bits.rewindaftersend) {
- /*
- * General treatment of errors when about to send data. Including :
- * "417 Expectation Failed", while waiting for 100-continue.
- *
- * The check for close above is done simply because of something
- * else has already deemed the connection to get closed then
- * something else should've considered the big picture and we
- * avoid this check.
- *
- * rewindaftersend indicates that something has told libcurl to
- * continue sending even if it gets discarded
+ if(k->httpcode >= 300) {
+ if((!conn->bits.authneg) && !conn->bits.close &&
+ !conn->bits.rewindaftersend) {
+ /*
+ * General treatment of errors when about to send data. Including :
+ * "417 Expectation Failed", while waiting for 100-continue.
+ *
+ * The check for close above is done simply because of something
+ * else has already deemed the connection to get closed then
+ * something else should've considered the big picture and we
+ * avoid this check.
+ *
+ * rewindaftersend indicates that something has told libcurl to
+ * continue sending even if it gets discarded
+ */
+
+ switch(data->set.httpreq) {
+ case HTTPREQ_PUT:
+ case HTTPREQ_POST:
+ case HTTPREQ_POST_FORM:
+ case HTTPREQ_POST_MIME:
+ /* We got an error response. If this happened before the whole
+ * request body has been sent we stop sending and mark the
+ * connection for closure after we've read the entire response.
*/
-
- switch(data->set.httpreq) {
- case HTTPREQ_PUT:
- case HTTPREQ_POST:
- case HTTPREQ_POST_FORM:
- /* We got an error response. If this happened before the whole
- * request body has been sent we stop sending and mark the
- * connection for closure after we've read the entire response.
- */
- if(!k->upload_done) {
+ Curl_expire_done(data, EXPIRE_100_TIMEOUT);
+ if(!k->upload_done) {
+ if(data->set.http_keep_sending_on_error) {
+ infof(data, "HTTP error before end of send, keep sending\n");
+ if(k->exp100 > EXP100_SEND_DATA) {
+ k->exp100 = EXP100_SEND_DATA;
+ k->keepon |= KEEP_SEND;
+ }
+ }
+ else {
infof(data, "HTTP error before end of send, stop sending\n");
- conn->bits.close = TRUE; /* close after this */
+ streamclose(conn, "Stop sending data before everything sent");
k->upload_done = TRUE;
k->keepon &= ~KEEP_SEND; /* don't send */
if(data->state.expect100header)
k->exp100 = EXP100_FAILED;
}
- break;
-
- default: /* default label present to avoid compiler warnings */
- break;
}
+ break;
+
+ default: /* default label present to avoid compiler warnings */
+ break;
}
}
*/
if(data->set.opt_no_body)
*stop_reading = TRUE;
+#ifndef CURL_DISABLE_RTSP
+ else if((conn->handler->protocol & CURLPROTO_RTSP) &&
+ (data->set.rtspreq == RTSPREQ_DESCRIBE) &&
+ (k->size <= -1))
+ /* Respect section 4.4 of rfc2326: If the Content-Length header is
+ absent, a length 0 must be assumed. It will prevent libcurl from
+ hanging on DESCRIBE request that got refused for whatever
+ reason */
+ *stop_reading = TRUE;
+#endif
else {
/* If we know the expected size of this document, we set the
maximum download size to the size of the expected
k->maxdownload = k->size;
}
- /* If max download size is *zero* (nothing) we already
- have nothing and can safely return ok now! */
- if(0 == k->maxdownload)
+ /* If max download size is *zero* (nothing) we already have
+ nothing and can safely return ok now! But for HTTP/2, we'd
+ like to call http2_handle_stream_close to properly close a
+ stream. In order to do this, we keep reading until we
+ close the stream. */
+ if(0 == k->maxdownload
+#if defined(USE_NGHTTP2)
+ && !((conn->handler->protocol & PROTO_FAMILY_HTTP) &&
+ conn->httpversion == 20)
+#endif
+ )
*stop_reading = TRUE;
if(*stop_reading) {
#define HEADER1 scratch
#define SCRATCHSIZE 21
CURLcode res;
- char scratch[SCRATCHSIZE+1]; /* "HTTP/major.minor 123" */
+ char scratch[SCRATCHSIZE + 1]; /* "HTTP/major.minor 123" */
/* We can't really convert this yet because we
don't know if it's the 1st header line or the body.
So we do a partial conversion into a scratch area,
#define HEADER1 k->p /* no conversion needed, just use k->p */
#endif /* CURL_DOES_CONVERSIONS */
- if(conn->handler->protocol & CURLPROTO_HTTP) {
+ if(conn->handler->protocol & PROTO_FAMILY_HTTP) {
+ /*
+ * https://tools.ietf.org/html/rfc7230#section-3.1.2
+ *
+ * The response code is always a three-digit number in HTTP as the spec
+ * says. We try to allow any number here, but we cannot make
+ * guarantees on future behaviors since it isn't within the protocol.
+ */
+ char separator;
nc = sscanf(HEADER1,
- " HTTP/%d.%d %3d",
+ " HTTP/%1d.%1d%c%3d",
&httpversion_major,
&conn->httpversion,
+ &separator,
&k->httpcode);
- if(nc==3) {
+
+ if(nc == 1 && httpversion_major == 2 &&
+ 1 == sscanf(HEADER1, " HTTP/2 %d", &k->httpcode)) {
+ conn->httpversion = 0;
+ nc = 4;
+ separator = ' ';
+ }
+
+ if((nc == 4) && (' ' == separator)) {
conn->httpversion += 10 * httpversion_major;
+
+ if(k->upgr101 == UPGR101_RECEIVED) {
+ /* supposedly upgraded to http2 now */
+ if(conn->httpversion != 20)
+ infof(data, "Lying server, not serving HTTP/2\n");
+ }
}
- else {
+ else if(!nc) {
/* this is the real world, not a Nirvana
NCSA 1.5.x returns this crap when asked for HTTP/1.1
*/
- nc=sscanf(HEADER1, " HTTP %3d", &k->httpcode);
+ nc = sscanf(HEADER1, " HTTP %3d", &k->httpcode);
conn->httpversion = 10;
/* If user has set option HTTP200ALIASES,
}
}
}
+ else {
+ failf(data, "Unsupported HTTP version in response\n");
+ return CURLE_UNSUPPORTED_PROTOCOL;
+ }
}
else if(conn->handler->protocol & CURLPROTO_RTSP) {
+ char separator;
nc = sscanf(HEADER1,
- " RTSP/%d.%d %3d",
+ " RTSP/%1d.%1d%c%3d",
&rtspversion_major,
&conn->rtspversion,
+ &separator,
&k->httpcode);
- if(nc==3) {
+ if((nc == 4) && (' ' == separator)) {
conn->rtspversion += 10 * rtspversion_major;
conn->httpversion = 11; /* For us, RTSP acts like HTTP 1.1 */
}
((k->httpcode != 407) || !conn->bits.proxy_user_passwd) ) {
if(data->state.resume_from &&
- (data->set.httpreq==HTTPREQ_GET) &&
+ (data->set.httpreq == HTTPREQ_GET) &&
(k->httpcode == 416)) {
/* "Requested Range Not Satisfiable", just proceed and
pretend this is no error */
we get one of those fancy headers that tell us the
server keeps it open for us! */
infof(data, "HTTP 1.0, assume close after body\n");
- conn->bits.close = TRUE;
+ connclose(conn, "HTTP/1.0 close after body");
+ }
+ else if(conn->httpversion == 20 ||
+ (k->upgr101 == UPGR101_REQUESTED && k->httpcode == 101)) {
+ DEBUGF(infof(data, "HTTP/2 found, allow multiplexing\n"));
+
+ /* HTTP/2 cannot blacklist multiplexing since it is a core
+ functionality of the protocol */
+ conn->bundle->multiuse = BUNDLE_MULTIPLEX;
}
else if(conn->httpversion >= 11 &&
!conn->bits.close) {
- struct connectbundle *cb_ptr;
-
/* If HTTP version is >= 1.1 and connection is persistent
server supports pipelining. */
DEBUGF(infof(data,
"HTTP 1.1 or later with persistent connection, "
"pipelining supported\n"));
/* Activate pipelining if needed */
- cb_ptr = conn->bundle;
- if(cb_ptr) {
+ if(conn->bundle) {
if(!Curl_pipeline_site_blacklisted(data, conn))
- cb_ptr->server_supports_pipelining = TRUE;
+ conn->bundle->multiuse = BUNDLE_PIPELINING;
}
}
* fields. */
if(data->set.timecondition)
data->info.timecond = TRUE;
- k->size=0;
- k->maxdownload=0;
+ k->size = 0;
+ k->maxdownload = 0;
k->ignorecl = TRUE; /* ignore Content-Length headers */
break;
default:
/* Check for Content-Length: header lines to get size */
if(!k->ignorecl && !data->set.ignorecl &&
checkprefix("Content-Length:", k->p)) {
- curl_off_t contentlength = curlx_strtoofft(k->p+15, NULL, 10);
- if(data->set.max_filesize &&
- contentlength > data->set.max_filesize) {
- failf(data, "Maximum file size exceeded");
- return CURLE_FILESIZE_EXCEEDED;
- }
- if(contentlength >= 0) {
+ curl_off_t contentlength;
+ CURLofft offt = curlx_strtoofft(k->p + 15, NULL, 10, &contentlength);
+
+ if(offt == CURL_OFFT_OK) {
+ if(data->set.max_filesize &&
+ contentlength > data->set.max_filesize) {
+ failf(data, "Maximum file size exceeded");
+ return CURLE_FILESIZE_EXCEEDED;
+ }
k->size = contentlength;
k->maxdownload = k->size;
/* we set the progress download size already at this point
info as soon as possible */
Curl_pgrsSetDownloadSize(data, k->size);
}
+ else if(offt == CURL_OFFT_FLOW) {
+ /* out of range */
+ if(data->set.max_filesize) {
+ failf(data, "Maximum file size exceeded");
+ return CURLE_FILESIZE_EXCEEDED;
+ }
+ streamclose(conn, "overflow content-length");
+ infof(data, "Overflow Content-Length: value!\n");
+ }
else {
- /* Negative Content-Length is really odd, and we know it
- happens for example when older Apache servers send large
- files */
- conn->bits.close = TRUE;
- infof(data, "Negative content-length: %" CURL_FORMAT_CURL_OFF_T
- ", closing after transfer\n", contentlength);
+ /* negative or just rubbish - bad HTTP */
+ failf(data, "Invalid Content-Length: value");
+ return CURLE_WEIRD_SERVER_REPLY;
}
}
/* check for Content-Type: header lines to get the MIME-type */
}
}
else if(checkprefix("Server:", k->p)) {
- char *server_name = Curl_copy_header_value(k->p);
-
- /* Turn off pipelining if the server version is blacklisted */
- if(conn->bundle && conn->bundle->server_supports_pipelining) {
- if(Curl_pipeline_server_blacklisted(data, server_name))
- conn->bundle->server_supports_pipelining = FALSE;
+ if(conn->httpversion < 20) {
+ /* only do this for non-h2 servers */
+ char *server_name = Curl_copy_header_value(k->p);
+
+ /* Turn off pipelining if the server version is blacklisted */
+ if(conn->bundle && (conn->bundle->multiuse == BUNDLE_PIPELINING)) {
+ if(Curl_pipeline_server_blacklisted(data, server_name))
+ conn->bundle->multiuse = BUNDLE_NO_MULTIUSE;
+ }
+ free(server_name);
}
- Curl_safefree(server_name);
}
else if((conn->httpversion == 10) &&
conn->bits.httpproxy &&
* connection will be kept alive for our pleasure.
* Default action for 1.0 is to close.
*/
- conn->bits.close = FALSE; /* don't close when done */
+ connkeep(conn, "Proxy-Connection keep-alive"); /* don't close */
infof(data, "HTTP/1.0 proxy connection set to keep alive!\n");
}
else if((conn->httpversion == 11) &&
* We get a HTTP/1.1 response from a proxy and it says it'll
* close down after this transfer.
*/
- conn->bits.close = TRUE; /* close when done */
+ connclose(conn, "Proxy-Connection: asked to close after done");
infof(data, "HTTP/1.1 proxy connection set close!\n");
}
else if((conn->httpversion == 10) &&
* pleasure. Default action for 1.0 is to close.
*
* [RFC2068, section 19.7.1] */
- conn->bits.close = FALSE; /* don't close when done */
+ connkeep(conn, "Connection keep-alive");
infof(data, "HTTP/1.0 connection set to keep alive!\n");
}
else if(Curl_compareheader(k->p, "Connection:", "close")) {
* the connection will close when this request has been
* served.
*/
- conn->bits.close = TRUE; /* close when done */
+ streamclose(conn, "Connection: close used");
}
else if(checkprefix("Transfer-Encoding:", k->p)) {
/* One or more encodings. We check for chunked and/or a compression
* of chunks, and a chunk-data set to zero signals the
* end-of-chunks. */
- char *start;
-
- /* Find the first non-space letter */
- start = k->p + 18;
-
- for(;;) {
- /* skip whitespaces and commas */
- while(*start && (ISSPACE(*start) || (*start == ',')))
- start++;
-
- if(checkprefix("chunked", start)) {
- k->chunk = TRUE; /* chunks coming our way */
-
- /* init our chunky engine */
- Curl_httpchunk_init(conn);
-
- start += 7;
- }
-
- if(k->auto_decoding)
- /* TODO: we only support the first mentioned compression for now */
- break;
-
- if(checkprefix("identity", start)) {
- k->auto_decoding = IDENTITY;
- start += 8;
- }
- else if(checkprefix("deflate", start)) {
- k->auto_decoding = DEFLATE;
- start += 7;
- }
- else if(checkprefix("gzip", start)) {
- k->auto_decoding = GZIP;
- start += 4;
- }
- else if(checkprefix("x-gzip", start)) {
- k->auto_decoding = GZIP;
- start += 6;
- }
- else if(checkprefix("compress", start)) {
- k->auto_decoding = COMPRESS;
- start += 8;
- }
- else if(checkprefix("x-compress", start)) {
- k->auto_decoding = COMPRESS;
- start += 10;
- }
- else
- /* unknown! */
- break;
-
- }
-
+ result = Curl_build_unencoding_stack(conn, k->p + 18, TRUE);
+ if(result)
+ return result;
}
else if(checkprefix("Content-Encoding:", k->p) &&
- (data->set.str[STRING_ENCODING] ||
- conn->httpversion == 20)) {
+ data->set.str[STRING_ENCODING]) {
/*
* Process Content-Encoding. Look for the values: identity,
* gzip, deflate, compress, x-gzip and x-compress. x-gzip and
* 2616). zlib cannot handle compress. However, errors are
* handled further down when the response body is processed
*/
- char *start;
-
- /* Find the first non-space letter */
- start = k->p + 17;
- while(*start && ISSPACE(*start))
- start++;
-
- /* Record the content-encoding for later use */
- if(checkprefix("identity", start))
- k->auto_decoding = IDENTITY;
- else if(checkprefix("deflate", start))
- k->auto_decoding = DEFLATE;
- else if(checkprefix("gzip", start)
- || checkprefix("x-gzip", start))
- k->auto_decoding = GZIP;
- else if(checkprefix("compress", start)
- || checkprefix("x-compress", start))
- k->auto_decoding = COMPRESS;
+ result = Curl_build_unencoding_stack(conn, k->p + 17, FALSE);
+ if(result)
+ return result;
}
else if(checkprefix("Content-Range:", k->p)) {
/* Content-Range: bytes [num]-
Content-Range: bytes: [num]-
Content-Range: [num]-
+ Content-Range: [asterisk]/[total]
The second format was added since Sun's webserver
JavaWebServer/1.1.1 obviously sends the header this way!
The third added since some servers use that!
+ The forth means the requested range was unsatisfied.
*/
char *ptr = k->p + 14;
- /* Move forward until first digit */
- while(*ptr && !ISDIGIT(*ptr))
+ /* Move forward until first digit or asterisk */
+ while(*ptr && !ISDIGIT(*ptr) && *ptr != '*')
ptr++;
- k->offset = curlx_strtoofft(ptr, NULL, 10);
-
- if(data->state.resume_from == k->offset)
- /* we asked for a resume and we got it */
- k->content_range = TRUE;
+ /* if it truly stopped on a digit */
+ if(ISDIGIT(*ptr)) {
+ if(!curlx_strtoofft(ptr, NULL, 10, &k->offset)) {
+ if(data->state.resume_from == k->offset)
+ /* we asked for a resume and we got it */
+ k->content_range = TRUE;
+ }
+ }
+ else
+ data->state.resume_from = 0; /* get everything */
}
#if !defined(CURL_DISABLE_COOKIES)
else if(data->cookies &&
Curl_share_lock(data, CURL_LOCK_DATA_COOKIE,
CURL_LOCK_ACCESS_SINGLE);
Curl_cookie_add(data,
- data->cookies, TRUE, k->p+11,
+ data->cookies, TRUE, k->p + 11,
/* If there is a custom-set Host: name, use it
here, or else use real peer host name. */
conn->allocptr.cookiehost?
#endif
else if(checkprefix("Last-Modified:", k->p) &&
(data->set.timecondition || data->set.get_filetime) ) {
- time_t secs=time(NULL);
- k->timeofdoc = curl_getdate(k->p+strlen("Last-Modified:"),
+ time_t secs = time(NULL);
+ k->timeofdoc = curl_getdate(k->p + strlen("Last-Modified:"),
&secs);
if(data->set.get_filetime)
- data->info.filetime = (long)k->timeofdoc;
+ data->info.filetime = k->timeofdoc;
}
else if((checkprefix("WWW-Authenticate:", k->p) &&
(401 == k->httpcode)) ||
result = Curl_http_input_auth(conn, proxy, auth);
- Curl_safefree(auth);
+ free(auth);
if(result)
return result;
k->hbufp = data->state.headerbuff;
k->hbuflen = 0;
}
- while(!*stop_reading && *k->str); /* header line within buffer */
+ while(*k->str); /* header line within buffer */
/* We might have reached the end of the header part here, but
there might be a non-header part left in the end of the read
projects / platform / upstream / curl.git / blobdiff