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transfer-encoding: added new option and cmdline

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Added CURLOPT_TRANSFER_ENCODING as the option to set to request Transfer
Encoding in HTTP requests (if built zlib enabled). I also renamed
CURLOPT_ENCODING to CURLOPT_ACCEPT_ENCODING (while keeping the old name
around) to reduce the confusion when we have to encoding options for
HTTP.

--tr-encoding is now the new command line option for curl to request
this, and thus I updated the test cases accordingly.
This commit is contained in:
Daniel Stenberg 2011-04-14 22:45:42 +02:00
parent ebb37eac8b
commit 8e4fb01e64
11 changed files with 61 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
docs/libcurl/symbols-in-versions
View File

@ -282,6 +282,7 @@ CURLOPTTYPE_FUNCTIONPOINT 7.1
CURLOPTTYPE_LONG 7.1
CURLOPTTYPE_OBJECTPOINT 7.1
CURLOPTTYPE_OFF_T 7.11.0
CURLOPT_ACCEPT_ENCODING 7.21.6
CURLOPT_ADDRESS_SCOPE 7.19.0
CURLOPT_APPEND 7.17.0
CURLOPT_AUTOREFERER 7.1
@ -485,6 +486,7 @@ CURLOPT_TLSAUTH_PASSWORD 7.21.4
CURLOPT_TLSAUTH_TYPE 7.21.4
CURLOPT_TLSAUTH_USERNAME 7.21.4
CURLOPT_TRANSFERTEXT 7.1.1
CURLOPT_TRANSFER_ENCODING 7.21.6
CURLOPT_UNRESTRICTED_AUTH 7.10.4
CURLOPT_UPLOAD 7.1
CURLOPT_URL 7.1

20
include/curl/curl.h
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@ -517,7 +517,8 @@ typedef enum {
#ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
the obsolete stuff removed! */
/* Backwards compatibility with older names */
/* compatibility with older names */
#define CURLOPT_ENCODING CURLOPT_ACCEPT_ENCODING
/* The following were added in 7.21.5, April 2011 */
#define CURLE_UNKNOWN_TELNET_OPTION CURLE_UNKNOWN_OPTION
@ -1103,8 +1104,9 @@ typedef enum {
CINIT(PROXYTYPE, LONG, 101),
/* Set the Accept-Encoding string. Use this to tell a server you would like
the response to be compressed. */
CINIT(ENCODING, OBJECTPOINT, 102),
the response to be compressed. Before 7.21.6, this was known as
CURLOPT_ENCODING */
CINIT(ACCEPT_ENCODING, OBJECTPOINT, 102),
/* Set pointer to private data */
CINIT(PRIVATE, OBJECTPOINT, 103),
@ -1462,6 +1464,18 @@ typedef enum {
/* Set authentication type for authenticated TLS */
CINIT(TLSAUTH_TYPE, OBJECTPOINT, 206),
/* Set to 1 to enable the "TE:" header in HTTP requests to ask for
compressed transfer-encoded responses. Set to 0 to disable the use of TE:
in outgoing requests. The current default is 0, but it might change in a
future libcurl release.
libcurl will ask for the compressed methods it knows of, and if that
isn't any, it will not ask for transfer-encoding at all even if this
option is set to 1.
*/
CINIT(TRANSFER_ENCODING, LONG, 207),
CURLOPT_LASTENTRY /* the last unused */
} CURLoption;

4
include/curl/typecheck-gcc.h
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@ -7,7 +7,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2010, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 1998 - 2011, 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
@ -224,7 +224,7 @@ _CURL_WARNING(_curl_easy_getinfo_err_curl_slist,
(option) == CURLOPT_PROXYUSERNAME || \
(option) == CURLOPT_PROXYPASSWORD || \
(option) == CURLOPT_NOPROXY || \
(option) == CURLOPT_ENCODING || \
(option) == CURLOPT_ACCEPT_ENCODING || \
(option) == CURLOPT_REFERER || \
(option) == CURLOPT_USERAGENT || \
(option) == CURLOPT_COOKIE || \

19
lib/http.c
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@ -1733,21 +1733,28 @@ CURLcode Curl_http(struct connectdata *conn, bool *done)
return CURLE_OUT_OF_MEMORY;
}
if(Curl_checkheaders(data, "TE:")) {
/* When we 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 */
#ifdef HAVE_LIBZ
/* we only consider transfer-encoding magic if libz support is built-in */
if(!Curl_checkheaders(data, "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(data, "Connection:");
#define TE_HEADER "TE: gzip\r\n"
Curl_safefree(conn->allocptr.te);
/* Create the (updated) Connection: header */
conn->allocptr.te = cptr? aprintf("%s, TE\r\n", cptr):
strdup("Connection: TE\r\n");
conn->allocptr.te = cptr? aprintf("%s, TE\r\n" TE_HEADER, cptr):
strdup("Connection: TE\r\n" TE_HEADER);
if(!conn->allocptr.te)
return CURLE_OUT_OF_MEMORY;
}
#endif
ptr = Curl_checkheaders(data, "Transfer-Encoding:");
if(ptr) {

6
lib/url.c
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@ -1076,7 +1076,7 @@ CURLcode Curl_setopt(struct SessionHandle *data, CURLoption option,
data->set.http_auto_referer = (bool)(0 != va_arg(param, long));
break;
case CURLOPT_ENCODING:
case CURLOPT_ACCEPT_ENCODING:
/*
* String to use at the value of Accept-Encoding header.
*
@ -1092,6 +1092,10 @@ CURLcode Curl_setopt(struct SessionHandle *data, CURLoption option,
(char *) ALL_CONTENT_ENCODINGS: argptr);
break;
case CURLOPT_TRANSFER_ENCODING:
data->set.http_transfer_encoding = (bool)(0 != va_arg(param, long));
break;
case CURLOPT_FOLLOWLOCATION:
/*
* Follow Location: header hints on a HTTP-server.

1
lib/urldata.h
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@ -1456,6 +1456,7 @@ struct UserDefined {
bool hide_progress; /* don't use the progress meter */
bool http_fail_on_error; /* fail on HTTP error codes >= 300 */
bool http_follow_location; /* follow HTTP redirects */
bool http_transfer_encoding; /* request compressed HTTP transfer-encoding */
bool http_disable_hostname_check_before_authentication;
bool include_header; /* include received protocol headers in data output */
bool http_set_referer; /* is a custom referer used */

17
src/main.c
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@ -474,6 +474,7 @@ struct Configurable {
char *cookiefile; /* read from this file */
bool cookiesession; /* new session? */
bool encoding; /* Accept-Encoding please */
bool tr_encoding; /* Transfer-Encoding please */
long authtype; /* auth bitmask */
bool use_resume;
bool resume_from_current;
@ -904,6 +905,7 @@ static void help(void)
" --trace <file> Write a debug trace to the given file",
" --trace-ascii <file> Like --trace but without the hex output",
" --trace-time Add time stamps to trace/verbose output",
" --tr-encoding Request compressed transfer encoding (H)",
" -T/--upload-file <file> Transfer <file> to remote site",
" --url <URL> Set URL to work with",
" -B/--use-ascii Use ASCII/text transfer",
@ -1823,7 +1825,8 @@ static ParameterError getparameter(char *flag, /* f or -long-flag */
{"*g", "trace", TRUE},
{"*h", "trace-ascii", TRUE},
{"*i", "limit-rate", TRUE},
{"*j", "compressed", FALSE}, /* might take an arg someday */
{"*j", "compressed", FALSE},
{"*J", "tr-encoding", FALSE},
{"*k", "digest", FALSE},
{"*l", "negotiate", FALSE},
{"*m", "ntlm", FALSE},
@ -2148,6 +2151,10 @@ static ParameterError getparameter(char *flag, /* f or -long-flag */
config->encoding = toggle;
break;
case 'J': /* --tr-encoding */
config->tr_encoding = toggle;
break;
case 'k': /* --digest */
if(toggle)
config->authtype |= CURLAUTH_DIGEST;
@ -5381,9 +5388,11 @@ operate(struct Configurable *config, int argc, argv_item_t argv[])
if(res != CURLE_OK)
goto show_error;
/* new in curl 7.10 */
my_setopt_str(curl, CURLOPT_ENCODING,
(config->encoding) ? "" : NULL);
if(config->encoding)
my_setopt_str(curl, CURLOPT_ACCEPT_ENCODING, "");
if(config->tr_encoding)
my_setopt(curl, CURLOPT_TRANSFER_ENCODING, 1);
/* new in curl 7.10.7, extended in 7.19.4 but this only sets 0 or 1 */
my_setopt(curl, CURLOPT_FTP_CREATE_MISSING_DIRS,

2
tests/data/test1122
View File

@ -48,7 +48,7 @@ http
HTTP GET gzip transfer-encoded content
</name>
<command>
http://%HOSTIP:%HTTPPORT/1122 -H "TE: gzip"
http://%HOSTIP:%HTTPPORT/1122 --tr-encoding
</command>
</client>

4
tests/data/test1123
View File

@ -178,7 +178,7 @@ http
HTTP GET deflate transfer-encoded content
</name>
<command>
http://%HOSTIP:%HTTPPORT/1123 -H "TE: deflate, gzip"
http://%HOSTIP:%HTTPPORT/1123 --tr-encoding
</command>
</client>
@ -193,7 +193,7 @@ GET /1123 HTTP/1.1
Host: %HOSTIP:%HTTPPORT
Accept: */*
Connection: TE
TE: deflate, gzip
TE: gzip
</protocol>
</verify>

2
tests/data/test1124
View File

@ -47,7 +47,7 @@ http
HTTP GET gzip+chunked transfer-encoded content
</name>
<command>
http://%HOSTIP:%HTTPPORT/1124 -H "TE: gzip"
http://%HOSTIP:%HTTPPORT/1124 --tr-encoding
</command>
</client>

2
tests/data/test1125
View File

@ -48,7 +48,7 @@ http
HTTP GET transfer-encoding with custom Connection:
</name>
<command>
http://%HOSTIP:%HTTPPORT/1125 -H "TE: gzip" -H "Connection: close"
http://%HOSTIP:%HTTPPORT/1125 --tr-encoding -H "Connection: close"
</command>
</client>