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-rw-r--r--docs/INTERNALS.md2
-rw-r--r--docs/TODO7
-rw-r--r--lib/content_encoding.c574
-rw-r--r--lib/content_encoding.h45
-rw-r--r--lib/http.c68
-rw-r--r--lib/http_chunks.c42
-rw-r--r--lib/transfer.c37
-rw-r--r--lib/url.c14
-rw-r--r--lib/urldata.h24
-rw-r--r--tests/data/Makefile.inc2
-rw-r--r--tests/data/test230200
11 files changed, 734 insertions, 281 deletions
diff --git a/docs/INTERNALS.md b/docs/INTERNALS.md
index 6c1d5baf2..fb9d50378 100644
--- a/docs/INTERNALS.md
+++ b/docs/INTERNALS.md
@@ -673,7 +673,7 @@ Content Encoding
where string is the intended value of the Accept-Encoding header.
- Currently, libcurl does not support multiple encodings and only
+ Currently, libcurl does support multiple encodings but only
understands how to process responses that use the "deflate" or "gzip"
Content-Encoding, so the only values for [`CURLOPT_ACCEPT_ENCODING`][5]
that will work (besides "identity," which does nothing) are "deflate"
diff --git a/docs/TODO b/docs/TODO
index b10323a9d..3e5f8bd75 100644
--- a/docs/TODO
+++ b/docs/TODO
@@ -67,7 +67,6 @@
5.7 Brotli compression
5.8 QUIC
5.9 Leave secure cookies alone
- 5.10 Support Multiple Content-Encodings
6. TELNET
6.1 ditch stdin
@@ -538,12 +537,6 @@ This is not detailed in any FTP specification.
https://tools.ietf.org/html/draft-ietf-httpbis-cookie-alone-01
-5.10 Support Multiple Content-Encodings
-
- RFC 7231 Section 3.1.2.2 allows multiple encodings for a single request. Using
- this may result in lower bandwidth and promotes a more resource-friendly web.
- Currently, Chrome and Firefox support multiple encodings.
-
6. TELNET
diff --git a/lib/content_encoding.c b/lib/content_encoding.c
index 110226034..76a9e6866 100644
--- a/lib/content_encoding.c
+++ b/lib/content_encoding.c
@@ -22,16 +22,23 @@
#include "curl_setup.h"
-#ifdef HAVE_LIBZ
-
#include "urldata.h"
#include <curl/curl.h>
+#include <stddef.h>
#include "sendf.h"
+#include "http.h"
#include "content_encoding.h"
#include "strdup.h"
+#include "strcase.h"
#include "curl_memory.h"
#include "memdebug.h"
+#define CONTENT_ENCODING_DEFAULT "identity"
+
+#ifndef CURL_DISABLE_HTTP
+
+#ifdef HAVE_LIBZ
+
/* Comment this out if zlib is always going to be at least ver. 1.2.0.4
(doing so will reduce code size slightly). */
#define OLD_ZLIB_SUPPORT 1
@@ -49,6 +56,21 @@
#define COMMENT 0x10 /* bit 4 set: file comment present */
#define RESERVED 0xE0 /* bits 5..7: reserved */
+typedef enum {
+ ZLIB_UNINIT, /* uninitialized */
+ ZLIB_INIT, /* initialized */
+ ZLIB_GZIP_HEADER, /* reading gzip header */
+ ZLIB_GZIP_INFLATING, /* inflating gzip stream */
+ ZLIB_INIT_GZIP /* initialized in transparent gzip mode */
+} zlibInitState;
+
+/* Writer parameters. */
+typedef struct {
+ zlibInitState zlib_init; /* zlib init state */
+ z_stream z; /* State structure for zlib. */
+} zlib_params;
+
+
static voidpf
zalloc_cb(voidpf opaque, unsigned int items, unsigned int size)
{
@@ -79,19 +101,27 @@ process_zlib_error(struct connectdata *conn, z_stream *z)
}
static CURLcode
-exit_zlib(z_stream *z, zlibInitState *zlib_init, CURLcode result)
+exit_zlib(struct connectdata *conn,
+ z_stream *z, zlibInitState *zlib_init, CURLcode result)
{
- inflateEnd(z);
- *zlib_init = ZLIB_UNINIT;
+ if(*zlib_init == ZLIB_GZIP_HEADER)
+ Curl_safefree(z->next_in);
+
+ if(*zlib_init != ZLIB_UNINIT) {
+ if(inflateEnd(z) != Z_OK && result == CURLE_OK)
+ result = process_zlib_error(conn, z);
+ *zlib_init = ZLIB_UNINIT;
+ }
+
return result;
}
static CURLcode
-inflate_stream(struct connectdata *conn,
- struct SingleRequest *k)
+inflate_stream(struct connectdata *conn, contenc_writer *writer)
{
+ zlib_params *zp = (zlib_params *) &writer->params;
int allow_restart = 1;
- z_stream *z = &k->z; /* zlib state structure */
+ z_stream *z = &zp->z; /* zlib state structure */
uInt nread = z->avail_in;
Bytef *orig_in = z->next_in;
int status; /* zlib status */
@@ -102,35 +132,31 @@ inflate_stream(struct connectdata *conn,
large to hold on the stack */
decomp = malloc(DSIZ);
if(decomp == NULL) {
- return exit_zlib(z, &k->zlib_init, CURLE_OUT_OF_MEMORY);
+ return exit_zlib(conn, z, &zp->zlib_init, CURLE_OUT_OF_MEMORY);
}
/* because the buffer size is fixed, iteratively decompress and transfer to
the client via client_write. */
for(;;) {
/* (re)set buffer for decompressed output for every iteration */
- z->next_out = (Bytef *)decomp;
+ z->next_out = (Bytef *) decomp;
z->avail_out = DSIZ;
status = inflate(z, Z_SYNC_FLUSH);
if(status == Z_OK || status == Z_STREAM_END) {
allow_restart = 0;
- if((DSIZ - z->avail_out) && (!k->ignorebody)) {
- result = Curl_client_write(conn, CLIENTWRITE_BODY, decomp,
+ result = Curl_unencode_write(conn, writer->downstream, decomp,
DSIZ - z->avail_out);
- /* if !CURLE_OK, clean up, return */
- if(result) {
- free(decomp);
- return exit_zlib(z, &k->zlib_init, result);
- }
+ /* if !CURLE_OK, clean up, return */
+ if(result) {
+ free(decomp);
+ return exit_zlib(conn, z, &zp->zlib_init, result);
}
/* Done? clean up, return */
if(status == Z_STREAM_END) {
free(decomp);
- if(inflateEnd(z) == Z_OK)
- return exit_zlib(z, &k->zlib_init, result);
- return exit_zlib(z, &k->zlib_init, process_zlib_error(conn, z));
+ return exit_zlib(conn, z, &zp->zlib_init, result);
}
/* Done with these bytes, exit */
@@ -148,7 +174,8 @@ inflate_stream(struct connectdata *conn,
(void) inflateEnd(z); /* don't care about the return code */
if(inflateInit2(z, -MAX_WBITS) != Z_OK) {
free(decomp);
- return exit_zlib(z, &k->zlib_init, process_zlib_error(conn, z));
+ zp->zlib_init = ZLIB_UNINIT; /* inflateEnd() already called. */
+ return exit_zlib(conn, z, &zp->zlib_init, process_zlib_error(conn, z));
}
z->next_in = orig_in;
z->avail_in = nread;
@@ -157,36 +184,97 @@ inflate_stream(struct connectdata *conn,
}
else { /* Error; exit loop, handle below */
free(decomp);
- return exit_zlib(z, &k->zlib_init, process_zlib_error(conn, z));
+ return exit_zlib(conn, z, &zp->zlib_init, process_zlib_error(conn, z));
}
}
- /* Will never get here */
+ /* UNREACHED */
}
-CURLcode
-Curl_unencode_deflate_write(struct connectdata *conn,
- struct SingleRequest *k,
- ssize_t nread)
+
+/* Deflate handler. */
+static CURLcode deflate_init_writer(struct connectdata *conn,
+ contenc_writer *writer)
{
- z_stream *z = &k->z; /* zlib state structure */
+ zlib_params *zp = (zlib_params *) &writer->params;
+ z_stream *z = &zp->z; /* zlib state structure */
- /* Initialize zlib? */
- if(k->zlib_init == ZLIB_UNINIT) {
- memset(z, 0, sizeof(z_stream));
- z->zalloc = (alloc_func)zalloc_cb;
- z->zfree = (free_func)zfree_cb;
+ if(!writer->downstream)
+ return CURLE_WRITE_ERROR;
- if(inflateInit(z) != Z_OK)
- return process_zlib_error(conn, z);
- k->zlib_init = ZLIB_INIT;
- }
+ /* Initialize zlib */
+ z->zalloc = (alloc_func) zalloc_cb;
+ z->zfree = (free_func) zfree_cb;
+
+ if(inflateInit(z) != Z_OK)
+ return process_zlib_error(conn, z);
+ zp->zlib_init = ZLIB_INIT;
+ return CURLE_OK;
+}
+
+static CURLcode deflate_unencode_write(struct connectdata *conn,
+ contenc_writer *writer,
+ const char *buf, size_t nbytes)
+{
+ zlib_params *zp = (zlib_params *) &writer->params;
+ z_stream *z = &zp->z; /* zlib state structure */
/* Set the compressed input when this function is called */
- z->next_in = (Bytef *)k->str;
- z->avail_in = (uInt)nread;
+ z->next_in = (Bytef *) buf;
+ z->avail_in = (uInt) nbytes;
/* Now uncompress the data */
- return inflate_stream(conn, k);
+ return inflate_stream(conn, writer);
+}
+
+static void deflate_close_writer(struct connectdata *conn,
+ contenc_writer *writer)
+{
+ zlib_params *zp = (zlib_params *) &writer->params;
+ z_stream *z = &zp->z; /* zlib state structure */
+
+ exit_zlib(conn, z, &zp->zlib_init, CURLE_OK);
+}
+
+static const content_encoding deflate_encoding = {
+ "deflate",
+ NULL,
+ deflate_init_writer,
+ deflate_unencode_write,
+ deflate_close_writer,
+ sizeof(zlib_params)
+};
+
+
+/* Gzip handler. */
+static CURLcode gzip_init_writer(struct connectdata *conn,
+ contenc_writer *writer)
+{
+ zlib_params *zp = (zlib_params *) &writer->params;
+ z_stream *z = &zp->z; /* zlib state structure */
+
+ if(!writer->downstream)
+ return CURLE_WRITE_ERROR;
+
+ /* Initialize zlib */
+ z->zalloc = (alloc_func) zalloc_cb;
+ z->zfree = (free_func) zfree_cb;
+
+ if(strcmp(zlibVersion(), "1.2.0.4") >= 0) {
+ /* zlib ver. >= 1.2.0.4 supports transparent gzip decompressing */
+ if(inflateInit2(z, MAX_WBITS + 32) != Z_OK) {
+ return process_zlib_error(conn, z);
+ }
+ zp->zlib_init = ZLIB_INIT_GZIP; /* Transparent gzip decompress state */
+ }
+ else {
+ /* we must parse the gzip header ourselves */
+ if(inflateInit2(z, -MAX_WBITS) != Z_OK) {
+ return process_zlib_error(conn, z);
+ }
+ zp->zlib_init = ZLIB_INIT; /* Initial call state */
+ }
+
+ return CURLE_OK;
}
#ifdef OLD_ZLIB_SUPPORT
@@ -273,47 +361,25 @@ static enum {
}
#endif
-CURLcode
-Curl_unencode_gzip_write(struct connectdata *conn,
- struct SingleRequest *k,
- ssize_t nread)
+static CURLcode gzip_unencode_write(struct connectdata *conn,
+ contenc_writer *writer,
+ const char *buf, size_t nbytes)
{
- z_stream *z = &k->z; /* zlib state structure */
-
- /* Initialize zlib? */
- if(k->zlib_init == ZLIB_UNINIT) {
- memset(z, 0, sizeof(z_stream));
- z->zalloc = (alloc_func)zalloc_cb;
- z->zfree = (free_func)zfree_cb;
-
- if(strcmp(zlibVersion(), "1.2.0.4") >= 0) {
- /* zlib ver. >= 1.2.0.4 supports transparent gzip decompressing */
- if(inflateInit2(z, MAX_WBITS + 32) != Z_OK) {
- return process_zlib_error(conn, z);
- }
- k->zlib_init = ZLIB_INIT_GZIP; /* Transparent gzip decompress state */
- }
- else {
- /* we must parse the gzip header ourselves */
- if(inflateInit2(z, -MAX_WBITS) != Z_OK) {
- return process_zlib_error(conn, z);
- }
- k->zlib_init = ZLIB_INIT; /* Initial call state */
- }
- }
+ zlib_params *zp = (zlib_params *) &writer->params;
+ z_stream *z = &zp->z; /* zlib state structure */
- if(k->zlib_init == ZLIB_INIT_GZIP) {
+ if(zp->zlib_init == ZLIB_INIT_GZIP) {
/* Let zlib handle the gzip decompression entirely */
- z->next_in = (Bytef *)k->str;
- z->avail_in = (uInt)nread;
+ z->next_in = (Bytef *) buf;
+ z->avail_in = (uInt) nbytes;
/* Now uncompress the data */
- return inflate_stream(conn, k);
+ return inflate_stream(conn, writer);
}
#ifndef OLD_ZLIB_SUPPORT
/* Support for old zlib versions is compiled away and we are running with
an old version, so return an error. */
- return exit_zlib(z, &k->zlib_init, CURLE_WRITE_ERROR);
+ return exit_zlib(conn, z, &zp->zlib_init, CURLE_WRITE_ERROR);
#else
/* This next mess is to get around the potential case where there isn't
@@ -326,18 +392,18 @@ Curl_unencode_gzip_write(struct connectdata *conn,
* can handle the gzip header themselves.
*/
- switch(k->zlib_init) {
+ switch(zp->zlib_init) {
/* Skip over gzip header? */
case ZLIB_INIT:
{
/* Initial call state */
ssize_t hlen;
- switch(check_gzip_header((unsigned char *)k->str, nread, &hlen)) {
+ switch(check_gzip_header((unsigned char *) buf, nbytes, &hlen)) {
case GZIP_OK:
- z->next_in = (Bytef *)k->str + hlen;
- z->avail_in = (uInt)(nread - hlen);
- k->zlib_init = ZLIB_GZIP_INFLATING; /* Inflating stream state */
+ z->next_in = (Bytef *) buf + hlen;
+ z->avail_in = (uInt) (nbytes - hlen);
+ zp->zlib_init = ZLIB_GZIP_INFLATING; /* Inflating stream state */
break;
case GZIP_UNDERFLOW:
@@ -348,19 +414,19 @@ Curl_unencode_gzip_write(struct connectdata *conn,
* the first place, and it's even more unlikely for a transfer to fail
* immediately afterwards, it should seldom be a problem.
*/
- z->avail_in = (uInt)nread;
+ z->avail_in = (uInt) nbytes;
z->next_in = malloc(z->avail_in);
if(z->next_in == NULL) {
- return exit_zlib(z, &k->zlib_init, CURLE_OUT_OF_MEMORY);
+ return exit_zlib(conn, z, &zp->zlib_init, CURLE_OUT_OF_MEMORY);
}
- memcpy(z->next_in, k->str, z->avail_in);
- k->zlib_init = ZLIB_GZIP_HEADER; /* Need more gzip header data state */
+ memcpy(z->next_in, buf, z->avail_in);
+ zp->zlib_init = ZLIB_GZIP_HEADER; /* Need more gzip header data state */
/* We don't have any data to inflate yet */
return CURLE_OK;
case GZIP_BAD:
default:
- return exit_zlib(z, &k->zlib_init, process_zlib_error(conn, z));
+ return exit_zlib(conn, z, &zp->zlib_init, process_zlib_error(conn, z));
}
}
@@ -370,22 +436,22 @@ Curl_unencode_gzip_write(struct connectdata *conn,
{
/* Need more gzip header data state */
ssize_t hlen;
- z->avail_in += (uInt)nread;
+ z->avail_in += (uInt) nbytes;
z->next_in = Curl_saferealloc(z->next_in, z->avail_in);
if(z->next_in == NULL) {
- return exit_zlib(z, &k->zlib_init, CURLE_OUT_OF_MEMORY);
+ return exit_zlib(conn, z, &zp->zlib_init, CURLE_OUT_OF_MEMORY);
}
/* Append the new block of data to the previous one */
- memcpy(z->next_in + z->avail_in - nread, k->str, nread);
+ memcpy(z->next_in + z->avail_in - nbytes, buf, nbytes);
switch(check_gzip_header(z->next_in, z->avail_in, &hlen)) {
case GZIP_OK:
/* This is the zlib stream data */
free(z->next_in);
/* Don't point into the malloced block since we just freed it */
- z->next_in = (Bytef *)k->str + hlen + nread - z->avail_in;
- z->avail_in = (uInt)(z->avail_in - hlen);
- k->zlib_init = ZLIB_GZIP_INFLATING; /* Inflating stream state */
+ z->next_in = (Bytef *) buf + hlen + nbytes - z->avail_in;
+ z->avail_in = (uInt) (z->avail_in - hlen);
+ zp->zlib_init = ZLIB_GZIP_INFLATING; /* Inflating stream state */
break;
case GZIP_UNDERFLOW:
@@ -394,8 +460,7 @@ Curl_unencode_gzip_write(struct connectdata *conn,
case GZIP_BAD:
default:
- free(z->next_in);
- return exit_zlib(z, &k->zlib_init, process_zlib_error(conn, z));
+ return exit_zlib(conn, z, &zp->zlib_init, process_zlib_error(conn, z));
}
}
@@ -404,8 +469,8 @@ Curl_unencode_gzip_write(struct connectdata *conn,
case ZLIB_GZIP_INFLATING:
default:
/* Inflating stream state */
- z->next_in = (Bytef *)k->str;
- z->avail_in = (uInt)nread;
+ z->next_in = (Bytef *) buf;
+ z->avail_in = (uInt) nbytes;
break;
}
@@ -415,17 +480,332 @@ Curl_unencode_gzip_write(struct connectdata *conn,
}
/* We've parsed the header, now uncompress the data */
- return inflate_stream(conn, k);
+ return inflate_stream(conn, writer);
#endif
}
+static void gzip_close_writer(struct connectdata *conn,
+ contenc_writer *writer)
+{
+ zlib_params *zp = (zlib_params *) &writer->params;
+ z_stream *z = &zp->z; /* zlib state structure */
+
+ exit_zlib(conn, z, &zp->zlib_init, CURLE_OK);
+}
+
+static const content_encoding gzip_encoding = {
+ "gzip",
+ "x-gzip",
+ gzip_init_writer,
+ gzip_unencode_write,
+ gzip_close_writer,
+ sizeof(zlib_params)
+};
+
+#endif /* HAVE_LIBZ */
+
+
+/* Identity handler. */
+static CURLcode identity_init_writer(struct connectdata *conn,
+ contenc_writer *writer)
+{
+ (void) conn;
+ return writer->downstream? CURLE_OK: CURLE_WRITE_ERROR;
+}
+
+static CURLcode identity_unencode_write(struct connectdata *conn,
+ contenc_writer *writer,
+ const char *buf, size_t nbytes)
+{
+ return Curl_unencode_write(conn, writer->downstream, buf, nbytes);
+}
+
+static void identity_close_writer(struct connectdata *conn,
+ contenc_writer *writer)
+{
+ (void) conn;
+ (void) writer;
+}
+
+static const content_encoding identity_encoding = {
+ "identity",
+ NULL,
+ identity_init_writer,
+ identity_unencode_write,
+ identity_close_writer,
+ 0
+};
+
+
+/* supported content encodings table. */
+static const content_encoding * const encodings[] = {
+ &identity_encoding,
+#ifdef HAVE_LIBZ
+ &deflate_encoding,
+ &gzip_encoding,
+#endif
+ NULL
+};
+
+
+/* Return a list of comma-separated names of supported encodings. */
+char *Curl_all_content_encodings(void)
+{
+ size_t len = 0;
+ const content_encoding * const *cep;
+ const content_encoding *ce;
+ char *ace;
+ char *p;
+
+ for(cep = encodings; *cep; cep++) {
+ ce = *cep;
+ if(!strcasecompare(ce->name, CONTENT_ENCODING_DEFAULT))
+ len += strlen(ce->name) + 2;
+ }
+
+ if(!len)
+ return strdup(CONTENT_ENCODING_DEFAULT);
+
+ ace = malloc(len);
+ if(ace) {
+ p = ace;
+ for(cep = encodings; *cep; cep++) {
+ ce = *cep;
+ if(!strcasecompare(ce->name, CONTENT_ENCODING_DEFAULT)) {
+ strcpy(p, ce->name);
+ p += strlen(p);
+ *p++ = ',';
+ *p++ = ' ';
+ }
+ }
+ p[-2] = '\0';
+ }
+
+ return ace;
+}
+
+
+/* Real client writer: no downstream. */
+static CURLcode client_init_writer(struct connectdata *conn,
+ contenc_writer *writer)
+{
+ (void) conn;
+ return writer->downstream? CURLE_WRITE_ERROR: CURLE_OK;
+}
+
+static CURLcode client_unencode_write(struct connectdata *conn,
+ contenc_writer *writer,
+ const char *buf, size_t nbytes)
+{
+ struct Curl_easy *data = conn->data;
+ struct SingleRequest *k = &data->req;
+
+ (void) writer;
+
+ if(!nbytes || k->ignorebody)
+ return CURLE_OK;
+
+ return Curl_client_write(conn, CLIENTWRITE_BODY, (char *) buf, nbytes);
+}
+
+static void client_close_writer(struct connectdata *conn,
+ contenc_writer *writer)
+{
+ (void) conn;
+ (void) writer;
+}
+
+static const content_encoding client_encoding = {
+ NULL,
+ NULL,
+ client_init_writer,
+ client_unencode_write,
+ client_close_writer,
+ 0
+};
+
+
+/* Deferred error dummy writer. */
+static CURLcode error_init_writer(struct connectdata *conn,
+ contenc_writer *writer)
+{
+ (void) conn;
+ return writer->downstream? CURLE_OK: CURLE_WRITE_ERROR;
+}
+
+static CURLcode error_unencode_write(struct connectdata *conn,
+ contenc_writer *writer,
+ const char *buf, size_t nbytes)
+{
+ char *all = Curl_all_content_encodings();
+
+ (void) writer;
+ (void) buf;
+ (void) nbytes;
+
+ if(!all)
+ return CURLE_OUT_OF_MEMORY;
+ failf(conn->data, "Unrecognized content encoding type. "
+ "libcurl understands %s content encodings.", all);
+ free(all);
+ return CURLE_BAD_CONTENT_ENCODING;
+}
+
+static void error_close_writer(struct connectdata *conn,
+ contenc_writer *writer)
+{
+ (void) conn;
+ (void) writer;
+}
+
+static const content_encoding error_encoding = {
+ NULL,
+ NULL,
+ error_init_writer,
+ error_unencode_write,
+ error_close_writer,
+ 0
+};
+
+/* Create an unencoding writer stage using the given handler. */
+static contenc_writer *new_unencoding_writer(struct connectdata *conn,
+ const content_encoding *handler,
+ contenc_writer *downstream)
+{
+ size_t sz = offsetof(contenc_writer, params) + handler->paramsize;
+ contenc_writer *writer = (contenc_writer *) malloc(sz);
+
+ if(writer) {
+ memset(writer, 0, sz);
+ writer->handler = handler;
+ writer->downstream = downstream;
+ if(handler->init_writer(conn, writer)) {
+ free(writer);
+ writer = NULL;
+ }
+ }
+
+ return writer;
+}
+
+/* Write data using an unencoding writer stack. */
+CURLcode Curl_unencode_write(struct connectdata *conn, contenc_writer *writer,
+ const char *buf, size_t nbytes)
+{
+ return writer->handler->unencode_write(conn, writer, buf, nbytes);
+}
+
+/* Close and clean-up the connection's writer stack. */
void Curl_unencode_cleanup(struct connectdata *conn)
{
struct Curl_easy *data = conn->data;
struct SingleRequest *k = &data->req;
- z_stream *z = &k->z;
- if(k->zlib_init != ZLIB_UNINIT)
- (void) exit_zlib(z, &k->zlib_init, CURLE_OK);
+ contenc_writer *writer = k->writer_stack;
+
+ while(writer) {
+ k->writer_stack = writer->downstream;
+ writer->handler->close_writer(conn, writer);
+ free(writer);
+ writer = k->writer_stack;
+ }
}
-#endif /* HAVE_LIBZ */
+/* Find the content encoding by name. */
+static const content_encoding *find_encoding(const char *name, size_t len)
+{
+ const content_encoding * const *cep;
+ const content_encoding *ce;
+
+ for(cep = encodings; *cep; cep++) {
+ ce = *cep;
+ if((strncasecompare(name, ce->name, len) && !ce->name[len]) ||
+ (ce->alias && strncasecompare(name, ce->alias, len) && !ce->alias[len]))
+ return ce;
+ }
+ return NULL;
+}
+
+/* Set-up the unencoding stack from the Content-Encoding header value.
+ * See RFC 7231 section 3.1.2.2. */
+CURLcode Curl_build_unencoding_stack(struct connectdata *conn,
+ const char *enclist, int maybechunked)
+{
+ struct Curl_easy *data = conn->data;
+ struct SingleRequest *k = &data->req;
+
+ do {
+ const char *name;
+ size_t namelen;
+
+ /* Parse a single encoding name. */
+ while(ISSPACE(*enclist) || *enclist == ',')
+ enclist++;
+
+ name = enclist;
+
+ for(namelen = 0; *enclist && *enclist != ','; enclist++)
+ if(!ISSPACE(*enclist))
+ namelen = enclist - name + 1;
+
+ /* Special case: chunked encoding is handled at the reader level. */
+ if(maybechunked && namelen == 7 && strncasecompare(name, "chunked", 7)) {
+ k->chunk = TRUE; /* chunks coming our way. */
+ Curl_httpchunk_init(conn); /* init our chunky engine. */
+ }
+ else if(namelen) {
+ const content_encoding *encoding = find_encoding(name, namelen);
+ contenc_writer *writer;
+
+ if(!k->writer_stack) {
+ k->writer_stack = new_unencoding_writer(conn, &client_encoding, NULL);
+
+ if(!k->writer_stack)
+ return CURLE_OUT_OF_MEMORY;
+ }
+
+ if(!encoding)
+ encoding = &error_encoding; /* Defer error at stack use. */
+
+ /* Stack the unencoding stage. */
+ writer = new_unencoding_writer(conn, encoding, k->writer_stack);
+ if(!writer)
+ return CURLE_OUT_OF_MEMORY;
+ k->writer_stack = writer;
+ }
+ } while(*enclist);
+
+ return CURLE_OK;
+}
+
+#else
+/* Stubs for builds without HTTP. */
+CURLcode Curl_build_unencoding_stack(struct connectdata *conn,
+ const char *enclist, int maybechunked)
+{
+ (void) conn;
+ (void) enclist;
+ (void) maybechunked;
+ return CURLE_NOT_BUILT_IN;
+}
+
+CURLcode Curl_unencode_write(struct connectdata *conn, contenc_writer *writer,
+ const char *buf, size_t nbytes)
+{
+ (void) conn;
+ (void) writer;
+ (void) buf;
+ (void) nbytes;
+ return CURLE_NOT_BUILT_IN;
+}
+
+void Curl_unencode_cleanup(struct connectdata *conn)
+{
+ (void) conn;
+}
+
+char *Curl_all_content_encodings(void)
+{
+ return strdup(CONTENT_ENCODING_DEFAULT); /* Satisfy caller. */
+}
+
+#endif /* CURL_DISABLE_HTTP */
diff --git a/lib/content_encoding.h b/lib/content_encoding.h
index 3fadd2899..4cd52be62 100644
--- a/lib/content_encoding.h
+++ b/lib/content_encoding.h
@@ -7,7 +7,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, 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
@@ -23,26 +23,33 @@
***************************************************************************/
#include "curl_setup.h"
-/*
- * Comma-separated list all supported Content-Encodings ('identity' is implied)
- */
-#ifdef HAVE_LIBZ
-#define ALL_CONTENT_ENCODINGS "deflate, gzip"
-/* force a cleanup */
-void Curl_unencode_cleanup(struct connectdata *conn);
-#else
-#define ALL_CONTENT_ENCODINGS "identity"
-#define Curl_unencode_cleanup(x) Curl_nop_stmt
-#endif
+/* Decoding writer. */
+typedef struct contenc_writer_s contenc_writer;
+typedef struct content_encoding_s content_encoding;
+
+struct contenc_writer_s {
+ const content_encoding *handler; /* Encoding handler. */
+ contenc_writer *downstream; /* Downstream writer. */
+ void *params; /* Encoding-specific storage (variable length). */
+};
-CURLcode Curl_unencode_deflate_write(struct connectdata *conn,
- struct SingleRequest *req,
- ssize_t nread);
+/* Content encoding writer. */
+struct content_encoding_s {
+ const char *name; /* Encoding name. */
+ const char *alias; /* Encoding name alias. */
+ CURLcode (*init_writer)(struct connectdata *conn, contenc_writer *writer);
+ CURLcode (*unencode_write)(struct connectdata *conn, contenc_writer *writer,
+ const char *buf, size_t nbytes);
+ void (*close_writer)(struct connectdata *conn, contenc_writer *writer);
+ size_t paramsize;
+};
-CURLcode
-Curl_unencode_gzip_write(struct connectdata *conn,
- struct SingleRequest *k,
- ssize_t nread);
+CURLcode Curl_build_unencoding_stack(struct connectdata *conn,
+ const char *enclist, int maybechunked);
+CURLcode Curl_unencode_write(struct connectdata *conn, contenc_writer *writer,
+ const char *buf, size_t nbytes);
+void Curl_unencode_cleanup(struct connectdata *conn);
+char *Curl_all_content_encodings(void);
#endif /* HEADER_CURL_CONTENT_ENCODING_H */
diff --git a/lib/http.c b/lib/http.c
index 0716f8eea..def51abc3 100644
--- a/lib/http.c
+++ b/lib/http.c
@@ -3103,7 +3103,7 @@ CURLcode Curl_http_readwrite_headers(struct Curl_easy *data,
!(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. */
@@ -3613,51 +3613,9 @@ CURLcode Curl_http_readwrite_headers(struct Curl_easy *data,
* 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
- /* 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]) {
@@ -3668,21 +3626,9 @@ CURLcode Curl_http_readwrite_headers(struct Curl_easy *data,
* 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;
+ 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]-
diff --git a/lib/http_chunks.c b/lib/http_chunks.c
index 92d773112..161642969 100644
--- a/lib/http_chunks.c
+++ b/lib/http_chunks.c
@@ -187,49 +187,17 @@ CHUNKcode Curl_httpchunk_read(struct connectdata *conn,
piece = curlx_sotouz((ch->datasize >= length)?length:ch->datasize);
/* Write the data portion available */
-#ifdef HAVE_LIBZ
- switch(conn->data->set.http_ce_skip?
- IDENTITY : data->req.auto_decoding) {
- case IDENTITY:
-#endif
- if(!k->ignorebody) {
- if(!data->set.http_te_skip)
- result = Curl_client_write(conn, CLIENTWRITE_BODY, datap,
- piece);
- else
- result = CURLE_OK;
- }
-#ifdef HAVE_LIBZ
- break;
-
- case DEFLATE:
- /* update data->req.keep.str to point to the chunk data. */
- data->req.str = datap;
- result = Curl_unencode_deflate_write(conn, &data->req,
- (ssize_t)piece);
- break;
-
- case GZIP:
- /* update data->req.keep.str to point to the chunk data. */
- data->req.str = datap;
- result = Curl_unencode_gzip_write(conn, &data->req,
- (ssize_t)piece);
- break;
-
- default:
- failf(conn->data,
- "Unrecognized content encoding type. "
- "libcurl understands `identity', `deflate' and `gzip' "
- "content encodings.");
- return CHUNKE_BAD_ENCODING;
+ if(conn->data->set.http_ce_skip || !k->writer_stack) {
+ if(!k->ignorebody)
+ result = Curl_client_write(conn, CLIENTWRITE_BODY, datap, piece);
}
-#endif
+ else
+ result = Curl_unencode_write(conn, k->writer_stack, datap, piece);
if(result)
return CHUNKE_WRITE_ERROR;
*wrote += piece;
-
ch->datasize -= piece; /* decrease amount left to expect */
datap += piece; /* move read pointer forward */
length -= piece; /* decrease space left in this round */
diff --git a/lib/transfer.c b/lib/transfer.c
index 937477670..8f15b1a15 100644
--- a/lib/transfer.c
+++ b/lib/transfer.c
@@ -779,48 +779,19 @@ static CURLcode readwrite_data(struct Curl_easy *data,
in http_chunks.c.
Make sure that ALL_CONTENT_ENCODINGS contains all the
encodings handled here. */
-#ifdef HAVE_LIBZ
- switch(conn->data->set.http_ce_skip ?
- IDENTITY : k->auto_decoding) {
- case IDENTITY:
-#endif
- /* This is the default when the server sends no
- Content-Encoding header. See Curl_readwrite_init; the
- memset() call initializes k->auto_decoding to zero. */
+ if(conn->data->set.http_ce_skip || !k->writer_stack) {
if(!k->ignorebody) {
-
#ifndef CURL_DISABLE_POP3
- if(conn->handler->protocol&PROTO_FAMILY_POP3)
+ if(conn->handler->protocol & PROTO_FAMILY_POP3)
result = Curl_pop3_write(conn, k->str, nread);
else
#endif /* CURL_DISABLE_POP3 */
-
result = Curl_client_write(conn, CLIENTWRITE_BODY, k->str,
nread);
}
-#ifdef HAVE_LIBZ
- break;
-
- case DEFLATE:
- /* Assume CLIENTWRITE_BODY; headers are not encoded. */
- if(!k->ignorebody)
- result = Curl_unencode_deflate_write(conn, k, nread);
- break;
-
- case GZIP:
- /* Assume CLIENTWRITE_BODY; headers are not encoded. */
- if(!k->ignorebody)
- result = Curl_unencode_gzip_write(conn, k, nread);
- break;
-
- default:
- failf(data, "Unrecognized content encoding type. "
- "libcurl understands `identity', `deflate' and `gzip' "
- "content encodings.");
- result = CURLE_BAD_CONTENT_ENCODING;
- break;
}
-#endif
+ else
+ result = Curl_unencode_write(conn, k->writer_stack, k->str, nread);
}
k->badheader = HEADER_NORMAL; /* taken care of now */
diff --git a/lib/url.c b/lib/url.c
index 374ac6cfa..aeb0c9027 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -1011,9 +1011,17 @@ CURLcode Curl_setopt(struct Curl_easy *data, CURLoption option,
*
*/
argptr = va_arg(param, char *);
- result = setstropt(&data->set.str[STRING_ENCODING],
- (argptr && !*argptr)?
- ALL_CONTENT_ENCODINGS: argptr);
+ if(argptr && !*argptr) {
+ argptr = Curl_all_content_encodings();
+ if(!argptr)
+ result = CURLE_OUT_OF_MEMORY;
+ else {
+ result = setstropt(&data->set.str[STRING_ENCODING], argptr);
+ free(argptr);
+ }
+ }
+ else
+ result = setstropt(&data->set.str[STRING_ENCODING], argptr);
break;
case CURLOPT_TRANSFER_ENCODING:
diff --git a/lib/urldata.h b/lib/urldata.h
index e5aae1430..cfdd8d028 100644
--- a/lib/urldata.h
+++ b/lib/urldata.h
@@ -464,16 +464,6 @@ struct hostname {
#define KEEP_SENDBITS (KEEP_SEND | KEEP_SEND_HOLD | KEEP_SEND_PAUSE)
-#ifdef HAVE_LIBZ
-typedef enum {
- ZLIB_UNINIT, /* uninitialized */
- ZLIB_INIT, /* initialized */
- ZLIB_GZIP_HEADER, /* reading gzip header */
- ZLIB_GZIP_INFLATING, /* inflating gzip stream */
- ZLIB_INIT_GZIP /* initialized in transparent gzip mode */
-} zlibInitState;
-#endif
-
#ifdef CURLRES_ASYNCH
struct Curl_async {
char *hostname;
@@ -561,18 +551,8 @@ struct SingleRequest {
enum expect100 exp100; /* expect 100 continue state */
enum upgrade101 upgr101; /* 101 upgrade state */
- int auto_decoding; /* What content encoding. sec 3.5, RFC2616. */
-
-#define IDENTITY 0 /* No encoding */
-#define DEFLATE 1 /* zlib deflate [RFC 1950 & 1951] */
-#define GZIP 2 /* gzip algorithm [RFC 1952] */
-
-#ifdef HAVE_LIBZ
- zlibInitState zlib_init; /* possible zlib init state;
- undefined if Content-Encoding header. */
- z_stream z; /* State structure for zlib. */
-#endif
-
+ struct contenc_writer_s *writer_stack; /* Content unencoding stack. */
+ /* See sec 3.5, RFC2616. */
time_t timeofdoc;
long bodywrites;
diff --git a/tests/data/Makefile.inc b/tests/data/Makefile.inc
index 9104f34f5..305f6f318 100644
--- a/tests/data/Makefile.inc
+++ b/tests/data/Makefile.inc
@@ -45,7 +45,7 @@ test190 test191 test192 test193 test194 test195 test196 test197 test198 \
test199 test200 test201 test202 test203 test204 test205 test206 test207 \
test208 test209 test210 test211 test212 test213 test214 test215 test216 \
test217 test218 test219 test220 test221 test222 test223 test224 test225 \
-test226 test227 test228 test229 test231 test233 test234 \
+test226 test227 test228 test229 test230 test231 test233 test234 \
test235 test236 test237 test238 test239 test240 test241 test242 test243 \
test244 test245 test246 test247 test248 test249 test250 test251 test252 \
test253 test254 test255 test256 test257 test258 test259 test260 test261 \
diff --git a/tests/data/test230 b/tests/data/test230
new file mode 100644
index 000000000..cc166a3f1
--- /dev/null
+++ b/tests/data/test230
@@ -0,0 +1,200 @@
+<testcase>
+<info>
+<keywords>
+HTTP
+HTTP GET
+compressed
+</keywords>
+</info>
+#
+# Server-side
+<reply>
+<data base64="yes">
+SFRUUC8xLjEgMjAwIE9LDQpEYXRlOiBNb24sIDI5IE5vdiAyMDA0IDIxOjU2OjUzIEdNVA0KU2Vy
+dmVyOiBBcGFjaGUvMS4zLjMxIChEZWJpYW4gR05VL0xpbnV4KSBtb2RfZ3ppcC8xLjMuMjYuMWEg
+UEhQLzQuMy45LTEgbW9kX3NzbC8yLjguMjAgT3BlblNTTC8wLjkuN2QgbW9kX3BlcmwvMS4yOQ0K
+VmFyeTogQWNjZXB0LUVuY29kaW5nDQpDb250ZW50LVR5cGU6IHRleHQvaHRtbDsgY2hhcnNldD1J
+U08tODg1OS0xDQpDb250ZW50LUVuY29kaW5nOiBkZWZsYXRlLCBpZGVudGl0eSwgZ3ppcA0KQ29u
+dGVudC1MZW5ndGg6IDEzMjgNCg0KH4sIAPpl+lkAAwEZBeb6eJzcWNtu4zYQfTeQf2D91AK2brYT
+OXC0KHLZBM02wdoFuk8GLdE2G0kUSMq5PPTbO5QoibEcr3eDvgRIYnLmnMPhDEmTmXx6SmK0IVxQ
+lp51XcvpIpKGLKLp6qx7M73r+/5o3He7n4LO5JeLu/PZt/tLlHH2DwllP6ZCAhBNv01nl19Qdy1l
+dmrbS07EOiFYWimR9gKHDySN7GXS1zzRd6yhFcmoC6JbWkEHocqm2k1vTqPAPXa9iW0YSkSEJZnj
+KCKAGI/9vuP3PRc5w1PHPfXGE9vwG4Q8Ux9R4DnOsO86fddHjnfqwc9AUyrEqzhSnJC5WDMugzDn
+cR2OYW/jl3kcF3CE0wjFdNGmFhAdHhGhljpnSVJSUoIkY7UAx/wZLRlHYUxJKvuCRgT99fUWSY5T
+sYSKWjCLRshQ3hkMogLhcgSlWqlwVd8ljYk46uRCddQY4jmV+MlCNxKJPMtAX6Dr2ey+V/yd9tAV
+tI86V0X74uZ81kOzy9s/L+Hz9uJ3gF3d3F72iuE/391fX36FNgzwSGKIqZTqZ0zInm7m0AoZe6BE
+FNooz2KGIxgCllqekKiZdQ9lWIhHxiPVhMjSPFkU9un09qgTEi7pkoZQVzD9QTj4mChDgWo8wQjF
+tCAbGXsknERHncVzlaQekmvyZsarslhHndkaqAjD74KmajMJSG2dapVgBpsOec5RJ8bpKscrIooY
+SLqhnKUJDCBAR5fQWBsbKnFM5fNchIyTYHTiD63RycTesm+BM8JDkAwGlntsYCvzFhrm8wB7bWwg
+C5Ne1yzLY8ybsY5HY4hhCMt529MiVAO6A8t3XxFeh2I4ymCc0Su0EQ7HxbnhWyNnYuuO6ZmHLAdd
+z6282vAKUw7iD2qMMYDIFyLkNJNwRIpgoE6H16YSBqVPw/Vc7eXggixxHsuJbRpLGNR/Xh1gGZQ9
+2HloVielrdaLPbFbrEZszRLythAsYMpLFXV42iZD69YCjaZcvRwuB2CtpGiNyOLFO1wEwFpE0RqR
+F5odLgJgLaJojUi4hj1GYrY6XKqmaMFGopHlWXK4IIC1lKI1IhFZHC4CYC2iaI0IE0+HiwBYiyia
+US8RqfPyB2pWEqq6abqxzHMOaRMk0Ou36hqF2YgfKMlGVMXYCENE3RwOV1FoLVMQG52Ecs744Uol
+XmtpslnXhAVVraBZemIKhxyk4MvNzP4bncPpASmjeYJuS8fErhAar76n5JyTmNSZa5nn+v4WnFiu
+Z8EF6Q33G2x1rzo5dvxRi1hdsNocdS/afXHaBSznYu+azATOUQITXjM5l2v4qoactUwlEucSbjKi
+DqnsV93aoE9gnFISo6kkKXzDrya26WxRoEq76/7vAq8ioopsIFt0zmIS3D2mhNe4wlRFapuhVr1q
+CasveE4TmmJpzk5yuCEUtYGC1p2W1/OO97kHe7n7nK7v7+W6e8eFpbE/6r1u93i4zz3eS/bHe73O
+Xrc7+k7c3wlsf2SD1tjl/W67/LAmMngywUMMrqO1Tm18RvI5I2ddTkJ4HSibeknVi7LBmRvZUUPt
+cuwk6nsLuE+Gqhg7XTuZxuOsRd1+uL3FlVSqDQV2uLOjX/Vt6redWiW23mkN4u28seLehuP/L2nO
+T2dsOHhnxtT76uMnyvUGI/cdmXqBp9jHz9LAc4Yn78jSNaFJhOOPn6jhcDTw3pGosA9PffEzeTIs
++qyv/ysUdP4DAAD//4IzEaNjAAAAAP//AwDdOI7RbCh2MRkFAAA=
+</data>
+
+<datacheck>
+HTTP/1.1 200 OK
+Date: Mon, 29 Nov 2004 21:56:53 GMT
+Server: Apache/1.3.31 (Debian GNU/Linux) mod_gzip/1.3.26.1a PHP/4.3.9-1 mod_ssl/2.8.20 OpenSSL/0.9.7d mod_perl/1.29
+Vary: Accept-Encoding
+Content-Type: text/html; charset=ISO-8859-1
+Content-Encoding: deflate, identity, gzip
+Content-Length: 1328
+
+<?xml version="1.0" encoding="ISO-8859-1"?>
+<!DOCTYPE project-listing SYSTEM "http://freshmeat.net/backend/fm-projects-0.4.dtd">
+<project-listing>
+ <project>
+ <project_id>1612</project_id>
+ <date_added>1998-08-21 04:01:29</date_added>
+ <date_updated>2004-10-18 02:22:23</date_updated>
+ <projectname_short>curl</projectname_short>
+ <projectname_full>curl and libcurl</projectname_full>
+ <desc_short>Command line tool and library for client-side URL transfers.</desc_short>
+ <desc_full>curl and libcurl is a tool for transferring files
+using URL syntax. It supports HTTP, HTTPS, FTP,
+FTPS, DICT, TELNET, LDAP, FILE, and GOPHER, as
+well as HTTP-post, HTTP-put, cookies, FTP upload,
+resumed transfers, passwords, portnumbers, SSL
+certificates, Kerberos, and proxies. It is powered
+by libcurl, the client-side URL transfer library.
+There are bindings to libcurl for over 20
+languages and environments.
+</desc_full>
+ <vitality_score>5784.57</vitality_score>
+ <vitality_percent>3.16</vitality_percent>
+ <vitality_rank>169</vitality_rank>
+ <popularity_score>6594.54</popularity_score>
+ <popularity_percent>13.81</popularity_percent>
+ <popularity_rank>105</popularity_rank>
+ <rating>8.50</rating>
+ <rating_count>21</rating_count>
+ <rating_rank>183</rating_rank>
+ <subscriptions>323</subscriptions>
+ <branch_name>Default</branch_name>
+ <url_project_page>http://freshmeat.net/projects/curl/</url_project_page>
+ <url_homepage>http://freshmeat.net/redir/curl/1612/url_homepage/</url_homepage>
+ <url_tgz>http://freshmeat.net/redir/curl/1612/url_tgz/</url_tgz>
+ <url_bz2>http://freshmeat.net/redir/curl/1612/url_bz2/</url_bz2>
+ <url_zip>http://freshmeat.net/redir/curl/1612/url_zip/</url_zip>
+ <url_changelog>http://freshmeat.net/redir/curl/1612/url_changelog/</url_changelog>
+ <url_rpm>http://freshmeat.net/redir/curl/1612/url_rpm/</url_rpm>
+ <url_deb>http://freshmeat.net/redir/curl/1612/url_deb/</url_deb>
+ <url_osx>http://freshmeat.net/redir/curl/1612/url_osx/</url_osx>
+ <url_bsdport>http://freshmeat.net/redir/curl/1612/url_bsdport/</url_bsdport>
+ <url_purchase></url_purchase>
+ <url_cvs>http://freshmeat.net/redir/curl/1612/url_cvs/</url_cvs>
+ <url_list>http://freshmeat.net/redir/curl/1612/url_list/</url_list>
+ <url_mirror>http://freshmeat.net/redir/curl/1612/url_mirror/</url_mirror>
+ <url_demo></url_demo>
+ <license>MIT/X Consortium License</license>
+ <latest_release>
+ <latest_release_version>7.12.2</latest_release_version>
+ <latest_release_id>176085</latest_release_id>
+ <latest_release_date>2004-10-18 02:22:23</latest_release_date>
+ </latest_release>
+ <screenshot_thumb></screenshot_thumb>
+ <authors>
+ <author>
+ <author_name>Daniel Stenberg</author_name>
+ <author_url>http://freshmeat.net/~bagder/</author_url>
+ <author_role>Owner</author_role>
+ </author>
+ </authors>
+ <descriminators>
+ <trove_id>12</trove_id>
+ <trove_id>226</trove_id>
+ <trove_id>3</trove_id>
+ <trove_id>2</trove_id>
+ <trove_id>188</trove_id>
+ <trove_id>216</trove_id>
+ <trove_id>200</trove_id>
+ <trove_id>220</trove_id>
+ <trove_id>164</trove_id>
+ <trove_id>90</trove_id>
+ <trove_id>89</trove_id>
+ <trove_id>809</trove_id>
+ <trove_id>150</trove_id>
+ <trove_id>224</trove_id>
+ <trove_id>900</trove_id>
+ <trove_id>839</trove_id>
+ </descriminators>
+ <dependencies>
+ <dependency type="recommended">
+ <dependency_release_id>0</dependency_release_id>
+ <dependency_branch_id>7464</dependency_branch_id>
+ <dependency_project_id>7464</dependency_project_id>
+ <dependency_project_title>OpenSSL (Default)</dependency_project_title>
+ </dependency>
+ <dependency type="optional">
+ <dependency_release_id>0</dependency_release_id>
+ <dependency_branch_id>0</dependency_branch_id>
+ <dependency_project_id>7443</dependency_project_id>
+ <dependency_project_title>OpenLDAP</dependency_project_title>
+ </dependency>
+ <dependency type="optional">
+ <dependency_release_id>0</dependency_release_id>
+ <dependency_branch_id>0</dependency_branch_id>
+ <dependency_project_id>12351</dependency_project_id>
+ <dependency_project_title>zlib</dependency_project_title>
+ </dependency>
+ <dependency type="optional">
+ <dependency_release_id>0</dependency_release_id>
+ <dependency_branch_id>0</dependency_branch_id>
+ <dependency_project_id>32047</dependency_project_id>
+ <dependency_project_title>Heimdal</dependency_project_title>
+ </dependency>
+ <dependency type="optional">
+ <dependency_release_id>0</dependency_release_id>
+ <dependency_branch_id>0</dependency_branch_id>
+ <dependency_project_id>44532</dependency_project_id>
+ <dependency_project_title>c-ares</dependency_project_title>
+ </dependency>
+ </dependencies>
+ </project>
+</project-listing>
+</datacheck>
+
+</reply>
+
+#
+# Client-side
+<client>
+<features>
+libz
+</features>
+<server>
+http
+</server>
+ <name>
+HTTP GET multiply compressed content
+ </name>
+ <command>
+http://%HOSTIP:%HTTPPORT/230 --compressed
+</command>
+</client>
+
+#
+# Verify data after the test has been "shot"
+<verify>
+<strip>
+^User-Agent:.*
+</strip>
+<protocol>
+GET /230 HTTP/1.1
+Host: %HOSTIP:%HTTPPORT
+Accept: */*
+Accept-Encoding: deflate, gzip
+
+</protocol>
+</verify>
+</testcase>