← Commit list

61f52a97e9

Stefan Eissing
Stefan Eissing
2023-03-30
SUCCESS Duration: 116s

Subject

lib: add `bufq` and `dynhds`

Binary

Download Binary (795 KB)

Architecture & Compiler Flags

Architecture: x86_64-linux-gnu Compiler: gcc (Ubuntu 11.4.0-1ubuntu1~22.04.3) 11.4.0

—

Build Log

$ git checkout -f 61f52a97e9fd1bb79f1b312fe031ceb95fd13d27
Previous HEAD position was 6c6306f300 rtsp: skip malformed RTSP interleaved frame data
HEAD is now at 61f52a97e9 lib: add `bufq` and `dynhds`

$ git clean -fdx
Removing Makefile
Removing Makefile.in
Removing aclocal.m4
Removing autom4te.cache/
Removing compile
Removing config.guess
Removing config.log
Removing config.status
Removing config.sub
Removing configure
Removing curl-config
Removing depcomp
Removing docs/Makefile
Removing docs/Makefile.in
Removing docs/cmdline-opts/Makefile
Removing docs/cmdline-opts/Makefile.in
Removing docs/curl.1
Removing docs/examples/.deps/
Removing docs/examples/Makefile
Removing docs/examples/Makefile.in
Removing docs/libcurl/Makefile
Removing docs/libcurl/Makefile.in
Removing docs/libcurl/opts/Makefile
Removing docs/libcurl/opts/Makefile.in
Removing include/Makefile
Removing include/Makefile.in
Removing include/curl/Makefile
Removing include/curl/Makefile.in
Removing install-sh
Removing lib/.deps/
Removing lib/.dirstamp
Removing lib/.libs/
Removing lib/Makefile
Removing lib/Makefile.in
Removing lib/curl_config.h
Removing lib/curl_config.h.in
Removing lib/curl_multibyte.o
Removing lib/dynbuf.o
Removing lib/libcurl.la
Removing lib/libcurl.plist
Removing lib/libcurl.vers
Removing lib/libcurl_la-altsvc.lo
Removing lib/libcurl_la-altsvc.o
Removing lib/libcurl_la-amigaos.lo
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Removing lib/libcurl_la-asyn-ares.lo
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Removing lib/libcurl_la-asyn-thread.o
Removing lib/libcurl_la-base64.lo
Removing lib/libcurl_la-base64.o
Removing lib/libcurl_la-bufq.lo
Removing lib/libcurl_la-bufq.o
Removing lib/libcurl_la-bufref.lo
Removing lib/libcurl_la-bufref.o
Removing lib/libcurl_la-c-hyper.lo
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$ autoreconf -fi
libtoolize: putting auxiliary files in '.'.
libtoolize: copying file './ltmain.sh'
libtoolize: putting macros in AC_CONFIG_MACRO_DIRS, 'm4'.
libtoolize: copying file 'm4/libtool.m4'
libtoolize: copying file 'm4/ltoptions.m4'
libtoolize: copying file 'm4/ltsugar.m4'
libtoolize: copying file 'm4/ltversion.m4'
libtoolize: copying file 'm4/lt~obsolete.m4'
libtoolize: Remember to add 'LT_INIT' to configure.ac.
configure.ac:123: installing './compile'
configure.ac:416: installing './config.guess'
configure.ac:416: installing './config.sub'
configure.ac:123: installing './install-sh'
configure.ac:129: installing './missing'
docs/examples/Makefile.am: installing './depcomp'
parallel-tests: installing './test-driver'

$ bash -c find . -name config.guess -exec cp /usr/share/misc/config.guess {} \;

$ bash -c find . -name config.sub -exec cp /usr/share/misc/config.sub {} \;

$ chmod +x configure

$ ./configure --disable-shared --without-ssl --disable-docs
checking whether to enable maintainer-specific portions of Makefiles... no
checking whether make supports nested variables... yes
checking whether to enable debug build options... no
checking whether to enable compiler optimizer... (assumed) yes
checking whether to enable strict compiler warnings... no
checking whether to enable compiler warnings as errors... no
checking whether to enable curl debug memory tracking... no
checking whether to enable hiding of library internal symbols... yes
checking whether to enable c-ares for DNS lookups... no
checking whether to disable dependency on -lrt... (assumed no)
checking whether to enable ECH support... no
checking for path separator... :
checking for sed... /usr/bin/sed
checking for grep... /usr/bin/grep
checking that grep -E works... yes
checking for ar... /usr/bin/ar
checking for a BSD-compatible install... /usr/bin/install -c
checking for gcc... ccache gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether the compiler supports GNU C... yes
checking whether ccache gcc accepts -g... yes
checking for ccache gcc option to enable C11 features... none needed
checking whether ccache gcc understands -c and -o together... yes
checking how to run the C preprocessor... ccache gcc -E
checking for stdio.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for strings.h... yes
checking for sys/stat.h... yes
checking for sys/types.h... yes
checking for unistd.h... yes
checking for stdatomic.h... yes
checking if _Atomic is available... yes
checking for a sed that does not truncate output... (cached) /usr/bin/sed
checking for code coverage support... no
checking whether build environment is sane... yes
checking for a race-free mkdir -p... /usr/bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking whether make supports the include directive... yes (GNU style)
checking dependency style of ccache gcc... gcc3
checking curl version... 8.1.0-DEV
checking for httpd... no
checking for apache2... no
checking for apachectl... no
checking for apxs... no
configure: httpd/apache2 not in PATH, httpd tests disabled
configure: apxs not in PATH, httpd tests disabled
checking for nghttpx... no
checking for caddy... no
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking for grep that handles long lines and -e... (cached) /usr/bin/grep
checking for egrep... /usr/bin/grep -E
checking if OS is AIX (to define _ALL_SOURCE)... no
checking if _THREAD_SAFE is already defined... no
checking if _THREAD_SAFE is actually needed... no
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checking whether ln -s works... yes
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checking if mt is a manifest tool... no
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checking if compiler accepts strict warning options... yes
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configure: found both libz and libz.h header
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configure: IDN_LIBS: "-lidn2"
configure: IDN_LDFLAGS: ""
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configure: disables HSTS due to lack of SSL
checking whether to support WebSockets... no
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checking that generated files are newer than configure... done
configure: creating ./config.status
config.status: creating Makefile
config.status: creating docs/Makefile
config.status: creating docs/examples/Makefile
config.status: creating docs/libcurl/Makefile
config.status: creating docs/libcurl/opts/Makefile
config.status: creating docs/cmdline-opts/Makefile
config.status: creating include/Makefile
config.status: creating include/curl/Makefile
config.status: creating src/Makefile
config.status: creating lib/Makefile
config.status: creating scripts/Makefile
config.status: creating lib/libcurl.vers
config.status: creating lib/libcurl.plist
config.status: creating tests/Makefile
config.status: creating tests/config
config.status: creating tests/certs/Makefile
config.status: creating tests/certs/scripts/Makefile
config.status: creating tests/data/Makefile
config.status: creating tests/server/Makefile
config.status: creating tests/libtest/Makefile
config.status: creating tests/unit/Makefile
config.status: creating tests/http/config.ini
config.status: creating tests/http/Makefile
config.status: creating packages/Makefile
config.status: creating packages/vms/Makefile
config.status: creating curl-config
config.status: creating libcurl.pc
config.status: creating lib/curl_config.h
config.status: executing depfiles commands
config.status: executing libtool commands
configure: Configured to build curl/libcurl:

  Host setup:       x86_64-pc-linux-gnu
  Install prefix:   /usr/local
  Compiler:         ccache gcc
   CFLAGS:          -Werror-implicit-function-declaration -O2 -Wno-system-headers
   CPPFLAGS:        
   LDFLAGS:         
   LIBS:            -lpsl -lz

  curl version:     8.1.0-DEV
  SSL:              no      (--with-{openssl,gnutls,nss,mbedtls,wolfssl,schannel,secure-transport,amissl,bearssl,rustls} )
  SSH:              no      (--with-{libssh,libssh2})
  zlib:             enabled
  brotli:           no      (--with-brotli)
  zstd:             no      (--with-zstd)
  GSS-API:          no      (--with-gssapi)
  GSASL:            no      (libgsasl not found)
  TLS-SRP:          no      (--enable-tls-srp)
  resolver:         POSIX threaded
  IPv6:             enabled
  Unix sockets:     enabled
  IDN:              no      (--with-{libidn2,winidn})
  Build libcurl:    Shared=no, Static=yes
  Built-in manual:  enabled
  --libcurl option: enabled (--disable-libcurl-option)
  Verbose errors:   enabled (--disable-verbose)
  Code coverage:    disabled
  SSPI:             no      (--enable-sspi)
  ca cert bundle:   no
  ca cert path:     
  ca fallback:      
  LDAP:             no      (--enable-ldap / --with-ldap-lib / --with-lber-lib)
  LDAPS:            no      (--enable-ldaps)
  RTSP:             enabled
  RTMP:             no      (--with-librtmp)
  PSL:              enabled
  Alt-svc:          enabled (--disable-alt-svc)
  Headers API:      enabled (--disable-headers-api)
  HSTS:             no      (--enable-hsts)
  HTTP1:            enabled (internal)
  HTTP2:            no      (--with-nghttp2, --with-hyper)
  HTTP3:            no      (--with-ngtcp2 --with-nghttp3, --with-quiche, --with-msh3)
  ECH:              no      (--enable-ech)
  WebSockets:       no      (--enable-websockets)
  Protocols:        DICT FILE FTP GOPHER HTTP IMAP MQTT POP3 RTSP SMTP TELNET TFTP
  Features:         AsynchDNS IPv6 Largefile PSL UnixSockets alt-svc libz threadsafe

configure: WARNING: unrecognized options: --disable-docs
configure: WARNING: Cannot find libraries for LDAP support: LDAP disabled
configure: WARNING: libgsasl was not found
configure: WARNING: Cannot find libraries for IDN support: IDN disabled
configure: WARNING: unrecognized options: --disable-docs

$ make -j3
Making all in lib
make[1]: Entering directory '/root/asi_db/builds/curl/_worktrees/w0/lib'
make  all-am
make[2]: Entering directory '/root/asi_db/builds/curl/_worktrees/w0/lib'
  CC       libcurl_la-amigaos.lo
  CC       libcurl_la-altsvc.lo
  CC       libcurl_la-asyn-ares.lo
  CC       libcurl_la-asyn-thread.lo
  CC       libcurl_la-base64.lo
  CC       libcurl_la-bufq.lo
  CC       libcurl_la-bufref.lo
  CC       libcurl_la-c-hyper.lo
  CC       libcurl_la-cf-https-connect.lo
  CC       libcurl_la-cf-socket.lo
  CC       libcurl_la-cfilters.lo
  CC       libcurl_la-conncache.lo
  CC       libcurl_la-connect.lo
  CC       libcurl_la-content_encoding.lo
  CC       libcurl_la-cookie.lo
  CC       libcurl_la-curl_addrinfo.lo
  CC       libcurl_la-curl_des.lo
  CC       libcurl_la-curl_endian.lo
  CC       libcurl_la-curl_fnmatch.lo
  CC       libcurl_la-curl_get_line.lo
  CC       libcurl_la-curl_gethostname.lo
  CC       libcurl_la-curl_gssapi.lo
  CC       libcurl_la-curl_log.lo
  CC       libcurl_la-curl_memrchr.lo
  CC       libcurl_la-curl_multibyte.lo
  CC       libcurl_la-curl_ntlm_core.lo
  CC       libcurl_la-curl_ntlm_wb.lo
  CC       libcurl_la-curl_path.lo
  CC       libcurl_la-curl_range.lo
  CC       libcurl_la-curl_rtmp.lo
  CC       libcurl_la-curl_sasl.lo
  CC       libcurl_la-curl_sspi.lo
  CC       libcurl_la-curl_threads.lo
  CC       libcurl_la-dict.lo
  CC       libcurl_la-doh.lo
  CC       libcurl_la-dynbuf.lo
  CC       libcurl_la-dynhds.lo
  CC       libcurl_la-easy.lo
  CC       libcurl_la-easygetopt.lo
  CC       libcurl_la-easyoptions.lo
  CC       libcurl_la-escape.lo
  CC       libcurl_la-file.lo
  CC       libcurl_la-fileinfo.lo
  CC       libcurl_la-fopen.lo
  CC       libcurl_la-formdata.lo
  CC       libcurl_la-ftp.lo
  CC       libcurl_la-ftplistparser.lo
  CC       libcurl_la-getenv.lo
  CC       libcurl_la-getinfo.lo
  CC       libcurl_la-gopher.lo
  CC       libcurl_la-h2h3.lo
  CC       libcurl_la-hash.lo
  CC       libcurl_la-headers.lo
  CC       libcurl_la-hmac.lo
  CC       libcurl_la-hostasyn.lo
  CC       libcurl_la-hostip.lo
  CC       libcurl_la-hostip4.lo
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  CC       libcurl_la-hostsyn.lo
  CC       libcurl_la-hsts.lo
  CC       libcurl_la-http.lo
  CC       libcurl_la-http2.lo
  CC       libcurl_la-http_chunks.lo
  CC       libcurl_la-http_digest.lo
  CC       libcurl_la-http_negotiate.lo
  CC       libcurl_la-http_ntlm.lo
  CC       libcurl_la-http_proxy.lo
  CC       libcurl_la-http_aws_sigv4.lo
  CC       libcurl_la-idn.lo
  CC       libcurl_la-if2ip.lo
  CC       libcurl_la-imap.lo
  CC       libcurl_la-inet_ntop.lo
  CC       libcurl_la-inet_pton.lo
  CC       libcurl_la-krb5.lo
  CC       libcurl_la-ldap.lo
  CC       libcurl_la-llist.lo
  CC       libcurl_la-md4.lo
  CC       libcurl_la-md5.lo
  CC       libcurl_la-memdebug.lo
  CC       libcurl_la-mime.lo
  CC       libcurl_la-mprintf.lo
  CC       libcurl_la-mqtt.lo
  CC       libcurl_la-multi.lo
  CC       libcurl_la-netrc.lo
  CC       libcurl_la-nonblock.lo
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  CC       libcurl_la-openldap.lo
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  CC       libcurl_la-pop3.lo
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  CC       libcurl_la-smb.lo
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  CC       libcurl_la-strcase.lo
  CC       libcurl_la-strdup.lo
  CC       libcurl_la-strerror.lo
  CC       libcurl_la-strtok.lo
  CC       libcurl_la-strtoofft.lo
  CC       libcurl_la-system_win32.lo
  CC       libcurl_la-telnet.lo
  CC       libcurl_la-tftp.lo
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  CC       libcurl_la-timeval.lo
  CC       libcurl_la-transfer.lo
  CC       libcurl_la-url.lo
  CC       libcurl_la-urlapi.lo
  CC       libcurl_la-version.lo
  CC       libcurl_la-version_win32.lo
  CC       libcurl_la-warnless.lo
  CC       libcurl_la-ws.lo
  CC       vauth/libcurl_la-cleartext.lo
  CC       vauth/libcurl_la-cram.lo
  CC       vauth/libcurl_la-digest.lo
  CC       vauth/libcurl_la-digest_sspi.lo
  CC       vauth/libcurl_la-gsasl.lo
  CC       vauth/libcurl_la-krb5_gssapi.lo
  CC       vauth/libcurl_la-krb5_sspi.lo
  CC       vauth/libcurl_la-ntlm.lo
  CC       vauth/libcurl_la-ntlm_sspi.lo
  CC       vauth/libcurl_la-oauth2.lo
  CC       vauth/libcurl_la-spnego_gssapi.lo
  CC       vauth/libcurl_la-spnego_sspi.lo
  CC       vauth/libcurl_la-vauth.lo
  CC       vtls/libcurl_la-bearssl.lo
  CC       vtls/libcurl_la-gskit.lo
  CC       vtls/libcurl_la-gtls.lo
  CC       vtls/libcurl_la-hostcheck.lo
  CC       vtls/libcurl_la-keylog.lo
  CC       vtls/libcurl_la-mbedtls.lo
  CC       vtls/libcurl_la-mbedtls_threadlock.lo
  CC       vtls/libcurl_la-nss.lo
  CC       vtls/libcurl_la-openssl.lo
  CC       vtls/libcurl_la-rustls.lo
  CC       vtls/libcurl_la-schannel.lo
  CC       vtls/libcurl_la-schannel_verify.lo
  CC       vtls/libcurl_la-sectransp.lo
  CC       vtls/libcurl_la-vtls.lo
  CC       vtls/libcurl_la-wolfssl.lo
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  CC       vssh/libcurl_la-libssh.lo
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  CCLD     libcurl.la
make[2]: Leaving directory '/root/asi_db/builds/curl/_worktrees/w0/lib'
make[1]: Leaving directory '/root/asi_db/builds/curl/_worktrees/w0/lib'
Making all in src
make[1]: Entering directory '/root/asi_db/builds/curl/_worktrees/w0/src'
Making all in ../docs
make[2]: Entering directory '/root/asi_db/builds/curl/_worktrees/w0/docs'
Making all in .
make[3]: Entering directory '/root/asi_db/builds/curl/_worktrees/w0/docs'
if test "..x" != "..x" -a -e "./curl.1"; then \
	/usr/bin/install -c -m 644 "./curl.1" /root/asi_db/builds/curl/_worktrees/w0/docs/curl.1; fi
cd cmdline-opts && make
make[4]: Entering directory '/root/asi_db/builds/curl/_worktrees/w0/docs/cmdline-opts'
  GENERATE ../../docs/curl.1
make[4]: Leaving directory '/root/asi_db/builds/curl/_worktrees/w0/docs/cmdline-opts'
make[3]: Leaving directory '/root/asi_db/builds/curl/_worktrees/w0/docs'
Making all in cmdline-opts
make[3]: Entering directory '/root/asi_db/builds/curl/_worktrees/w0/docs/cmdline-opts'
make[3]: Nothing to be done for 'all'.
make[3]: Leaving directory '/root/asi_db/builds/curl/_worktrees/w0/docs/cmdline-opts'
make[2]: Leaving directory '/root/asi_db/builds/curl/_worktrees/w0/docs'
make[2]: Entering directory '/root/asi_db/builds/curl/_worktrees/w0/src'
  CC       tool_binmode.o
  CC       slist_wc.o
  CC       tool_bname.o
  CC       tool_cb_dbg.o
  CC       tool_cb_hdr.o
  CC       tool_cb_prg.o
  CC       tool_cb_rea.o
  CC       tool_cb_see.o
  CC       tool_cb_wrt.o
  CC       tool_cfgable.o
  CC       tool_dirhie.o
  CC       tool_doswin.o
  CC       tool_easysrc.o
  CC       tool_filetime.o
  CC       tool_findfile.o
  CC       tool_formparse.o
  CC       tool_getparam.o
  CC       tool_getpass.o
  CC       tool_help.o
  CC       tool_helpers.o
  HUGE     tool_hugehelp.c
  CC       tool_libinfo.o
  CC       tool_listhelp.o
  CC       tool_main.o
  CC       tool_msgs.o
  CC       tool_operate.o
  CC       tool_operhlp.o
  CC       tool_paramhlp.o
  CC       tool_parsecfg.o
  CC       tool_progress.o
  CC       tool_stderr.o
  CC       tool_strdup.o
  CC       tool_setopt.o
  CC       tool_sleep.o
  CC       tool_urlglob.o
  CC       tool_util.o
  CC       tool_vms.o
  CC       tool_writeout.o
  CC       tool_xattr.o
  CC       tool_writeout_json.o
  CC       ../lib/strtoofft.o
  CC       ../lib/timediff.o
  CC       ../lib/nonblock.o
  CC       ../lib/warnless.o
  CC       ../lib/curl_multibyte.o
  CC       ../lib/version_win32.o
  CC       ../lib/dynbuf.o
  CC       tool_hugehelp.o
  CCLD     curl
make[2]: Leaving directory '/root/asi_db/builds/curl/_worktrees/w0/src'
make[1]: Leaving directory '/root/asi_db/builds/curl/_worktrees/w0/src'
make[1]: Entering directory '/root/asi_db/builds/curl/_worktrees/w0'
make[1]: Nothing to be done for 'all-am'.
make[1]: Leaving directory '/root/asi_db/builds/curl/_worktrees/w0'

Commit Diff GitHub →

lib/Makefile.inc +4 -0lib/bufq.c +604 -0lib/bufq.h +261 -0lib/dynhds.c +303 -0lib/dynhds.h +155 -0lib/http.c +271 -0lib/http.h +50 -0tests/data/Makefile.inc +1 -1tests/data/test2601 +22 -0tests/data/test2602 +22 -0tests/unit/CMakeLists.txt +1 -1tests/unit/Makefile.am +4 -0tests/unit/Makefile.inc +1 -1tests/unit/unit2601.c +246 -0tests/unit/unit2602.c +125 -0
lib/Makefile.inc+4 -0
@@ -105,6 +105,7 @@ LIB_CFILES = \
asyn-ares.c \
asyn-thread.c \
base64.c \
+ bufq.c \
bufref.c \
c-hyper.c \
cf-https-connect.c \
@@ -135,6 +136,7 @@ LIB_CFILES = \
dict.c \
doh.c \
dynbuf.c \
+ dynhds.c \
easy.c \
easygetopt.c \
easyoptions.c \
@@ -230,6 +232,7 @@ LIB_HFILES = \
amigaos.h \
arpa_telnet.h \
asyn.h \
+ bufq.h \
bufref.h \
c-hyper.h \
cf-https-connect.h \
@@ -273,6 +276,7 @@ LIB_HFILES = \
dict.h \
doh.h \
dynbuf.h \
+ dynhds.h \
easy_lock.h \
easyif.h \
easyoptions.h \
lib/bufq.c+604 -0
@@ -0,0 +1,604 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) Daniel Stenberg, <[email protected]>, 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 https://curl.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
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * SPDX-License-Identifier: curl
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+#include "bufq.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+static bool chunk_is_empty(const struct buf_chunk *chunk)
+{
+ return chunk->r_offset >= chunk->w_offset;
+}
+
+static bool chunk_is_full(const struct buf_chunk *chunk)
+{
+ return chunk->w_offset >= chunk->dlen;
+}
+
+static size_t chunk_len(const struct buf_chunk *chunk)
+{
+ return chunk->w_offset - chunk->r_offset;
+}
+
+static size_t chunk_space(const struct buf_chunk *chunk)
+{
+ return chunk->dlen - chunk->w_offset;
+}
+
+static void chunk_reset(struct buf_chunk *chunk)
+{
+ chunk->next = NULL;
+ chunk->r_offset = chunk->w_offset = 0;
+}
+
+static size_t chunk_append(struct buf_chunk *chunk,
+ const unsigned char *buf, size_t len)
+{
+ unsigned char *p = &chunk->x.data[chunk->w_offset];
+ size_t n = chunk->dlen - chunk->w_offset;
+ DEBUGASSERT(chunk->dlen >= chunk->w_offset);
+ if(n) {
+ n = CURLMIN(n, len);
+ memcpy(p, buf, n);
+ chunk->w_offset += n;
+ }
+ return n;
+}
+
+static size_t chunk_read(struct buf_chunk *chunk,
+ unsigned char *buf, size_t len)
+{
+ unsigned char *p = &chunk->x.data[chunk->r_offset];
+ size_t n = chunk->w_offset - chunk->r_offset;
+ DEBUGASSERT(chunk->w_offset >= chunk->r_offset);
+ if(n) {
+ n = CURLMIN(n, len);
+ memcpy(buf, p, n);
+ chunk->r_offset += n;
+ }
+ return n;
+}
+
+static ssize_t chunk_slurp(struct buf_chunk *chunk,
+ Curl_bufq_reader *reader,
+ void *reader_ctx, CURLcode *err)
+{
+ unsigned char *p = &chunk->x.data[chunk->w_offset];
+ size_t n = chunk->dlen - chunk->w_offset;
+ ssize_t nread;
+
+ DEBUGASSERT(chunk->dlen >= chunk->w_offset);
+ if(!n) {
+ *err = CURLE_AGAIN;
+ return -1;
+ }
+ nread = reader(reader_ctx, p, n, err);
+ if(nread > 0) {
+ DEBUGASSERT((size_t)nread <= n);
+ chunk->w_offset += nread;
+ }
+ return nread;
+}
+
+static void chunk_peek(const struct buf_chunk *chunk,
+ const unsigned char **pbuf, size_t *plen)
+{
+ DEBUGASSERT(chunk->w_offset >= chunk->r_offset);
+ *pbuf = &chunk->x.data[chunk->r_offset];
+ *plen = chunk->w_offset - chunk->r_offset;
+}
+
+static void chunk_peek_at(const struct buf_chunk *chunk, size_t offset,
+ const unsigned char **pbuf, size_t *plen)
+{
+ offset += chunk->r_offset;
+ DEBUGASSERT(chunk->w_offset >= offset);
+ *pbuf = &chunk->x.data[offset];
+ *plen = chunk->w_offset - offset;
+}
+
+static size_t chunk_skip(struct buf_chunk *chunk, size_t amount)
+{
+ size_t n = chunk->w_offset - chunk->r_offset;
+ DEBUGASSERT(chunk->w_offset >= chunk->r_offset);
+ if(n) {
+ n = CURLMIN(n, amount);
+ chunk->r_offset += n;
+ }
+ return n;
+}
+
+static void chunk_list_free(struct buf_chunk **anchor)
+{
+ struct buf_chunk *chunk;
+ while(*anchor) {
+ chunk = *anchor;
+ *anchor = chunk->next;
+ free(chunk);
+ }
+}
+
+
+
+void Curl_bufcp_init(struct bufc_pool *pool,
+ size_t chunk_size, size_t spare_max)
+{
+ DEBUGASSERT(chunk_size > 0);
+ DEBUGASSERT(spare_max > 0);
+ memset(pool, 0, sizeof(*pool));
+ pool->chunk_size = chunk_size;
+ pool->spare_max = spare_max;
+}
+
+CURLcode Curl_bufcp_take(struct bufc_pool *pool,
+ struct buf_chunk **pchunk)
+{
+ struct buf_chunk *chunk = NULL;
+
+ if(pool->spare) {
+ chunk = pool->spare;
+ pool->spare = chunk->next;
+ --pool->spare_count;
+ chunk_reset(chunk);
+ *pchunk = chunk;
+ return CURLE_OK;
+ }
+
+ chunk = calloc(1, sizeof(*chunk) + pool->chunk_size);
+ if(!chunk) {
+ *pchunk = NULL;
+ return CURLE_OUT_OF_MEMORY;
+ }
+ chunk->dlen = pool->chunk_size;
+ *pchunk = chunk;
+ return CURLE_OK;
+}
+
+void Curl_bufcp_put(struct bufc_pool *pool,
+ struct buf_chunk *chunk)
+{
+ if(pool->spare_count >= pool->spare_max) {
+ free(chunk);
+ }
+ else {
+ chunk_reset(chunk);
+ chunk->next = pool->spare;
+ pool->spare = chunk;
+ ++pool->spare_count;
+ }
+}
+
+void Curl_bufcp_free(struct bufc_pool *pool)
+{
+ chunk_list_free(&pool->spare);
+ pool->spare_count = 0;
+}
+
+static void bufq_init(struct bufq *q, struct bufc_pool *pool,
+ size_t chunk_size, size_t max_chunks, int opts)
+{
+ DEBUGASSERT(chunk_size > 0);
+ DEBUGASSERT(max_chunks > 0);
+ memset(q, 0, sizeof(*q));
+ q->chunk_size = chunk_size;
+ q->max_chunks = max_chunks;
+ q->pool = pool;
+ q->opts = opts;
+}
+
+void Curl_bufq_init2(struct bufq *q, size_t chunk_size, size_t max_chunks,
+ int opts)
+{
+ bufq_init(q, NULL, chunk_size, max_chunks, opts);
+}
+
+void Curl_bufq_init(struct bufq *q, size_t chunk_size, size_t max_chunks)
+{
+ bufq_init(q, NULL, chunk_size, max_chunks, BUFQ_OPT_NONE);
+}
+
+void Curl_bufq_initp(struct bufq *q, struct bufc_pool *pool,
+ size_t max_chunks, int opts)
+{
+ bufq_init(q, pool, pool->chunk_size, max_chunks, opts);
+}
+
+void Curl_bufq_free(struct bufq *q)
+{
+ chunk_list_free(&q->head);
+ chunk_list_free(&q->spare);
+ q->tail = NULL;
+ q->chunk_count = 0;
+}
+
+void Curl_bufq_reset(struct bufq *q)
+{
+ struct buf_chunk *chunk;
+ while(q->head) {
+ chunk = q->head;
+ q->head = chunk->next;
+ chunk->next = q->spare;
+ q->spare = chunk;
+ }
+ q->tail = NULL;
+}
+
+size_t Curl_bufq_len(const struct bufq *q)
+{
+ const struct buf_chunk *chunk = q->head;
+ size_t len = 0;
+ while(chunk) {
+ len += chunk_len(chunk);
+ chunk = chunk->next;
+ }
+ return len;
+}
+
+size_t Curl_bufq_space(const struct bufq *q)
+{
+ size_t space = 0;
+ if(q->tail)
+ space += chunk_space(q->tail);
+ if(q->chunk_count < q->max_chunks) {
+ space += (q->max_chunks - q->chunk_count) * q->chunk_size;
+ }
+ return space;
+}
+
+bool Curl_bufq_is_empty(const struct bufq *q)
+{
+ return !q->head || chunk_is_empty(q->head);
+}
+
+bool Curl_bufq_is_full(const struct bufq *q)
+{
+ if(!q->tail || q->spare)
+ return FALSE;
+ if(q->chunk_count < q->max_chunks)
+ return FALSE;
+ if(q->chunk_count > q->max_chunks)
+ return TRUE;
+ /* we have no spares and cannot make more, is the tail full? */
+ return chunk_is_full(q->tail);
+}
+
+static size_t data_pass_size(struct bufq *q)
+{
+ (void)q;
+ return 4*1024;
+}
+
+static struct buf_chunk *get_spare(struct bufq *q)
+{
+ struct buf_chunk *chunk = NULL;
+
+ if(q->spare) {
+ chunk = q->spare;
+ q->spare = chunk->next;
+ chunk_reset(chunk);
+ return chunk;
+ }
+
+ if(q->chunk_count >= q->max_chunks && (!(q->opts & BUFQ_OPT_SOFT_LIMIT)))
+ return NULL;
+
+ if(q->pool) {
+ if(Curl_bufcp_take(q->pool, &chunk))
+ return NULL;
+ ++q->chunk_count;
+ return chunk;
+ }
+ else {
+ chunk = calloc(1, sizeof(*chunk) + q->chunk_size);
+ if(!chunk)
+ return NULL;
+ chunk->dlen = q->chunk_size;
+ ++q->chunk_count;
+ return chunk;
+ }
+}
+
+static void prune_head(struct bufq *q)
+{
+ struct buf_chunk *chunk;
+
+ while(q->head && chunk_is_empty(q->head)) {
+ chunk = q->head;
+ q->head = chunk->next;
+ if(q->tail == chunk)
+ q->tail = q->head;
+ if(q->pool) {
+ Curl_bufcp_put(q->pool, chunk);
+ --q->chunk_count;
+ }
+ else if((q->chunk_count > q->max_chunks) ||
+ (q->opts & BUFQ_OPT_NO_SPARES)) {
+ /* SOFT_LIMIT allowed us more than max. free spares until
+ * we are at max again. Or free them if we are configured
+ * to not use spares. */
+ free(chunk);
+ --q->chunk_count;
+ }
+ else {
+ chunk->next = q->spare;
+ q->spare = chunk;
+ }
+ }
+}
+
+static struct buf_chunk *get_non_full_tail(struct bufq *q)
+{
+ struct buf_chunk *chunk;
+
+ if(q->tail && !chunk_is_full(q->tail))
+ return q->tail;
+ chunk = get_spare(q);
+ if(chunk) {
+ /* new tail, and possibly new head */
+ if(q->tail) {
+ q->tail->next = chunk;
+ q->tail = chunk;
+ }
+ else {
+ DEBUGASSERT(!q->head);
+ q->head = q->tail = chunk;
+ }
+ }
+ return chunk;
+}
+
+ssize_t Curl_bufq_write(struct bufq *q,
+ const unsigned char *buf, size_t len,
+ CURLcode *err)
+{
+ struct buf_chunk *tail;
+ ssize_t nwritten = 0;
+ size_t n;
+
+ while(len) {
+ tail = get_non_full_tail(q);
+ if(!tail) {
+ if(q->chunk_count < q->max_chunks) {
+ *err = CURLE_OUT_OF_MEMORY;
+ return -1;
+ }
+ break;
+ }
+ n = chunk_append(tail, buf, len);
+ DEBUGASSERT(n);
+ nwritten += n;
+ buf += n;
+ len -= n;
+ }
+ if(nwritten == 0 && len) {
+ *err = CURLE_AGAIN;
+ return -1;
+ }
+ *err = CURLE_OK;
+ return nwritten;
+}
+
+ssize_t Curl_bufq_read(struct bufq *q, unsigned char *buf, size_t len,
+ CURLcode *err)
+{
+ ssize_t nread = 0;
+ size_t n;
+
+ *err = CURLE_OK;
+ while(len && q->head) {
+ n = chunk_read(q->head, buf, len);
+ if(n) {
+ nread += n;
+ buf += n;
+ len -= n;
+ }
+ prune_head(q);
+ }
+ if(nread == 0) {
+ *err = CURLE_AGAIN;
+ return -1;
+ }
+ return nread;
+}
+
+bool Curl_bufq_peek(const struct bufq *q,
+ const unsigned char **pbuf, size_t *plen)
+{
+ if(q->head && !chunk_is_empty(q->head)) {
+ chunk_peek(q->head, pbuf, plen);
+ return TRUE;
+ }
+ *pbuf = NULL;
+ *plen = 0;
+ return FALSE;
+}
+
+bool Curl_bufq_peek_at(const struct bufq *q, size_t offset,
+ const unsigned char **pbuf, size_t *plen)
+{
+ struct buf_chunk *c = q->head;
+ size_t clen;
+
+ while(c) {
+ clen = chunk_len(c);
+ if(!clen)
+ break;
+ if(offset >= clen) {
+ offset -= clen;
+ c = c->next;
+ continue;
+ }
+ chunk_peek_at(c, offset, pbuf, plen);
+ return TRUE;
+ }
+ *pbuf = NULL;
+ *plen = 0;
+ return FALSE;
+}
+
+void Curl_bufq_skip(struct bufq *q, size_t amount)
+{
+ size_t n;
+
+ while(amount && q->head) {
+ n = chunk_skip(q->head, amount);
+ amount -= n;
+ prune_head(q);
+ }
+}
+
+ssize_t Curl_bufq_pass(struct bufq *q, Curl_bufq_writer *writer,
+ void *writer_ctx, CURLcode *err)
+{
+ const unsigned char *buf;
+ size_t blen;
+ ssize_t nwritten = 0;
+
+ while(Curl_bufq_peek(q, &buf, &blen)) {
+ ssize_t chunk_written;
+
+ chunk_written = writer(writer_ctx, buf, blen, err);
+ if(chunk_written < 0) {
+ if(!nwritten || *err != CURLE_AGAIN) {
+ /* blocked on first write or real error, fail */
+ nwritten = -1;
+ }
+ break;
+ }
+ Curl_bufq_skip(q, (size_t)chunk_written);
+ nwritten += chunk_written;
+ }
+ return nwritten;
+}
+
+ssize_t Curl_bufq_write_pass(struct bufq *q,
+ const unsigned char *buf, size_t len,
+ Curl_bufq_writer *writer, void *writer_ctx,
+ CURLcode *err)
+{
+ ssize_t nwritten = 0, n;
+ bool prefer_direct = (len >= data_pass_size(q));
+
+ *err = CURLE_OK;
+ while(len) {
+ if(Curl_bufq_is_full(q) || (!Curl_bufq_is_empty(q) && prefer_direct)) {
+ /* try to make room in case we are full
+ * or empty the buffer when adding "large" data */
+ n = Curl_bufq_pass(q, writer, writer_ctx, err);
+ if(n < 0) {
+ if(*err != CURLE_AGAIN) {
+ /* real error, fail */
+ return -1;
+ }
+ /* would block */
+ }
+ }
+
+ if(Curl_bufq_is_empty(q) && prefer_direct) {
+ /* empty and `data` is "large", try passing directly */
+ n = writer(writer_ctx, buf, len, err);
+ if(n < 0) {
+ if(*err != CURLE_AGAIN) {
+ /* real error, fail */
+ return -1;
+ }
+ /* passing would block */
+ n = 0;
+ }
+ buf += (size_t)n;
+ len -= (size_t)n;
+ nwritten += (size_t)n;
+ }
+
+ if(len) {
+ /* Add whatever is remaining now to bufq */
+ n = Curl_bufq_write(q, buf, len, err);
+ if(n < 0) {
+ if(*err != CURLE_AGAIN) {
+ /* real error, fail */
+ return -1;
+ }
+ /* no room in bufq, bail out */
+ goto out;
+ }
+ /* Maybe only part of `data` has been added, continue to loop */
+ buf += (size_t)n;
+ len -= (size_t)n;
+ nwritten += (size_t)n;
+ }
+ }
+
+out:
+ return nwritten;
+}
+
+ssize_t Curl_bufq_slurp(struct bufq *q, Curl_bufq_reader *reader,
+ void *reader_ctx, CURLcode *err)
+{
+ struct buf_chunk *tail = NULL;
+ ssize_t nread = 0, chunk_nread;
+
+ *err = CURLE_AGAIN;
+ while(1) {
+ tail = get_non_full_tail(q);
+ if(!tail) {
+ if(q->chunk_count < q->max_chunks) {
+ *err = CURLE_OUT_OF_MEMORY;
+ return -1;
+ }
+ else if(nread) {
+ /* full, return what we read */
+ return nread;
+ }
+ else {
+ /* full, blocked */
+ *err = CURLE_AGAIN;
+ return -1;
+ }
+ }
+
+ chunk_nread = chunk_slurp(tail, reader, reader_ctx, err);
+ if(chunk_nread < 0) {
+ if(!nread || *err != CURLE_AGAIN) {
+ /* blocked on first read or real error, fail */
+ nread = -1;
+ }
+ break;
+ }
+ else if(chunk_nread == 0) {
+ /* eof */
+ *err = CURLE_OK;
+ break;
+ }
+ nread += chunk_nread;
+ /* give up slurping when we get less bytes than we asked for */
+ if(!chunk_is_full(tail))
+ break;
+ }
+ return nread;
+}
lib/bufq.h+261 -0
@@ -0,0 +1,261 @@
+#ifndef HEADER_CURL_BUFQ_H
+#define HEADER_CURL_BUFQ_H
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) Daniel Stenberg, <[email protected]>, 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 https://curl.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
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * SPDX-License-Identifier: curl
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+
+/**
+ * A chunk of bytes for reading and writing.
+ * The size is fixed a creation with read and write offset
+ * for where unread content is.
+ */
+struct buf_chunk {
+ struct buf_chunk *next; /* to keep it in a list */
+ size_t dlen; /* the amount of allocated x.data[] */
+ size_t r_offset; /* first unread bytes */
+ size_t w_offset; /* one after last written byte */
+ union {
+ unsigned char data[1]; /* the buffer for `dlen` bytes */
+ void *dummy; /* alignment */
+ } x;
+};
+
+/**
+ * A pool for providing/keeping a number of chunks of the same size
+ *
+ * The same pool can be shared by many `bufq` instances. However, a pool
+ * is not thread safe. All bufqs using it are supposed to operate in the
+ * same thread.
+ */
+struct bufc_pool {
+ struct buf_chunk *spare; /* list of available spare chunks */
+ size_t chunk_size; /* the size of chunks in this pool */
+ size_t spare_count; /* current number of spare chunks in list */
+ size_t spare_max; /* max number of spares to keep */
+};
+
+void Curl_bufcp_init(struct bufc_pool *pool,
+ size_t chunk_size, size_t spare_max);
+
+CURLcode Curl_bufcp_take(struct bufc_pool *pool,
+ struct buf_chunk **pchunk);
+void Curl_bufcp_put(struct bufc_pool *pool,
+ struct buf_chunk *chunk);
+
+void Curl_bufcp_free(struct bufc_pool *pool);
+
+/**
+ * A queue of byte chunks for reading and writing.
+ * Reading is done from `head`, writing is done to `tail`.
+ *
+ * `bufq`s can be empty or full or neither. Its `len` is the number
+ * of bytes that can be read. For an empty bufq, `len` will be 0.
+ *
+ * By default, a bufq can hold up to `max_chunks * chunk_size` number
+ * of bytes. When `max_chunks` are used (in the `head` list) and the
+ * `tail` chunk is full, the bufq will report that it is full.
+ *
+ * On a full bufq, `len` may be less than the maximum number of bytes,
+ * e.g. when the head chunk is partially read. `len` may also become
+ * larger than the max when option `BUFQ_OPT_SOFT_LIMIT` is used.
+ *
+ * By default, writing to a full bufq will return (-1, CURLE_AGAIN). Same
+ * as reading from an empty bufq.
+ * With `BUFQ_OPT_SOFT_LIMIT` set, a bufq will allow writing becond this
+ * limit and use more than `max_chunks`. However it will report that it
+ * is full nevertheless. This is provided for situation where writes
+ * preferably never fail (except for memory exhaustion).
+ *
+ * By default and without a pool, a bufq will keep chunks that read
+ * read empty in its `spare` list. Option `BUFQ_OPT_NO_SPARES` will
+ * disable that and free chunks once they become empty.
+ *
+ * When providing a pool to a bufq, all chunk creation and spare handling
+ * will be delegated to that pool.
+ */
+struct bufq {
+ struct buf_chunk *head; /* chunk with bytes to read from */
+ struct buf_chunk *tail; /* chunk to write to */
+ struct buf_chunk *spare; /* list of free chunks, unless `pool` */
+ struct bufc_pool *pool; /* optional pool for free chunks */
+ size_t chunk_count; /* current number of chunks in `head+spare` */
+ size_t max_chunks; /* max `head` chunks to use */
+ size_t chunk_size; /* size of chunks to manage */
+ int opts; /* options for handling queue, see below */
+};
+
+/**
+ * Default behaviour: chunk limit is "hard", meaning attempts to write
+ * more bytes than can be hold in `max_chunks` is refused and will return
+ * -1, CURLE_AGAIN. */
+#define BUFQ_OPT_NONE (0)
+/**
+ * Make `max_chunks` a "soft" limit. A bufq will report that it is "full"
+ * when `max_chunks` are used, but allows writing beyond this limit.
+ */
+#define BUFQ_OPT_SOFT_LIMIT (1 << 0)
+/**
+ * Do not keep spare chunks.
+ */
+#define BUFQ_OPT_NO_SPARES (1 << 1)
+
+/**
+ * Initialize a buffer queue that can hold up to `max_chunks` buffers
+ * each of size `chunk_size`. The bufq will not allow writing of
+ * more bytes than can be held in `max_chunks`.
+ */
+void Curl_bufq_init(struct bufq *q, size_t chunk_size, size_t max_chunks);
+
+/**
+ * Initialize a buffer queue that can hold up to `max_chunks` buffers
+ * each of size `chunk_size` with the given options. See `BUFQ_OPT_*`.
+ */
+void Curl_bufq_init2(struct bufq *q, size_t chunk_size,
+ size_t max_chunks, int opts);
+
+void Curl_bufq_initp(struct bufq *q, struct bufc_pool *pool,
+ size_t max_chunks, int opts);
+
+/**
+ * Reset the buffer queue to be empty. Will keep any allocated buffer
+ * chunks around.
+ */
+void Curl_bufq_reset(struct bufq *q);
+
+/**
+ * Free all resources held by the buffer queue.
+ */
+void Curl_bufq_free(struct bufq *q);
+
+/**
+ * Return the total amount of data in the queue.
+ */
+size_t Curl_bufq_len(const struct bufq *q);
+
+/**
+ * Return the total amount of free space in the queue.
+ * The returned length is the number of bytes that can
+ * be expected to be written successfully to the bufq,
+ * providing no memory allocations fail.
+ */
+size_t Curl_bufq_space(const struct bufq *q);
+
+/**
+ * Returns TRUE iff there is no data in the buffer queue.
+ */
+bool Curl_bufq_is_empty(const struct bufq *q);
+
+/**
+ * Returns TRUE iff there is no space left in the buffer queue.
+ */
+bool Curl_bufq_is_full(const struct bufq *q);
+
+/**
+ * Write buf to the end of the buffer queue. The buf is copied
+ * and the amount of copied bytes is returned.
+ * A return code of -1 indicates an error, setting `err` to the
+ * cause. An err of CURLE_AGAIN is returned if the buffer queue is full.
+ */
+ssize_t Curl_bufq_write(struct bufq *q,
+ const unsigned char *buf, size_t len,
+ CURLcode *err);
+
+/**
+ * Read buf from the start of the buffer queue. The buf is copied
+ * and the amount of copied bytes is returned.
+ * A return code of -1 indicates an error, setting `err` to the
+ * cause. An err of CURLE_AGAIN is returned if the buffer queue is empty.
+ */
+ssize_t Curl_bufq_read(struct bufq *q, unsigned char *buf, size_t len,
+ CURLcode *err);
+
+/**
+ * Peek at the head chunk in the buffer queue. Returns a pointer to
+ * the chunk buf (at the current offset) and its length. Does not
+ * modify the buffer queue.
+ * Returns TRUE iff bytes are available. Sets `pbuf` to NULL and `plen`
+ * to 0 when no bytes are available.
+ * Repeated calls return the same information until the buffer queue
+ * is modified, see `Curl_bufq_skip()``
+ */
+bool Curl_bufq_peek(const struct bufq *q,
+ const unsigned char **pbuf, size_t *plen);
+
+bool Curl_bufq_peek_at(const struct bufq *q, size_t offset,
+ const unsigned char **pbuf, size_t *plen);
+
+/**
+ * Tell the buffer queue to discard `amount` buf bytes at the head
+ * of the queue. Skipping more buf than is currently buffered will
+ * just empty the queue.
+ */
+void Curl_bufq_skip(struct bufq *q, size_t amount);
+
+typedef ssize_t Curl_bufq_writer(void *writer_ctx,
+ const unsigned char *buf, size_t len,
+ CURLcode *err);
+/**
+ * Passes the chunks in the buffer queue to the writer and returns
+ * the amount of buf written. A writer may return -1 and CURLE_AGAIN
+ * to indicate blocking at which point the queue will stop and return
+ * the amount of buf passed so far.
+ * -1 is returned on any other errors reported by the writer.
+ * Note that in case of a -1 chunks may have been written and
+ * the buffer queue will have different length than before.
+ */
+ssize_t Curl_bufq_pass(struct bufq *q, Curl_bufq_writer *writer,
+ void *writer_ctx, CURLcode *err);
+
+typedef ssize_t Curl_bufq_reader(void *reader_ctx,
+ unsigned char *buf, size_t len,
+ CURLcode *err);
+
+/**
+ * Read date and append it to the end of the buffer queue until the
+ * reader returns blocking or the queue is full. A reader returns
+ * -1 and CURLE_AGAIN to indicate blocking.
+ * Returns the total amount of buf read (may be 0) or -1 on other
+ * reader errors.
+ * Note that in case of a -1 chunks may have been read and
+ * the buffer queue will have different length than before.
+ */
+ssize_t Curl_bufq_slurp(struct bufq *q, Curl_bufq_reader *reader,
+ void *reader_ctx, CURLcode *err);
+
+
+/**
+ * Write buf to the end of the buffer queue.
+ * Will write bufq content or passed `buf` directly using the `writer`
+ * callback when it sees fit. 'buf' might get passed directly
+ * on or is placed into the buffer, depending on `len` and current
+ * amount buffered, chunk size, etc.
+ */
+ssize_t Curl_bufq_write_pass(struct bufq *q,
+ const unsigned char *buf, size_t len,
+ Curl_bufq_writer *writer, void *writer_ctx,
+ CURLcode *err);
+
+#endif /* HEADER_CURL_BUFQ_H */
lib/dynhds.c+303 -0
@@ -0,0 +1,303 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) Daniel Stenberg, <[email protected]>, 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 https://curl.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
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * SPDX-License-Identifier: curl
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+#include "dynhds.h"
+#include "strcase.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+
+static struct dynhds_entry *
+entry_new(const char *name, size_t namelen,
+ const char *value, size_t valuelen)
+{
+ struct dynhds_entry *e;
+ char *p;
+
+ DEBUGASSERT(name);
+ DEBUGASSERT(value);
+ e = calloc(1, sizeof(*e) + namelen + valuelen + 2);
+ if(!e)
+ return NULL;
+ e->name = p = ((char *)e) + sizeof(*e);
+ memcpy(p, name, namelen);
+ e->namelen = namelen;
+ e->value = p += namelen + 1; /* leave a \0 at the end of name */
+ memcpy(p, value, valuelen);
+ e->valuelen = valuelen;
+ return e;
+}
+
+static void entry_free(struct dynhds_entry *e)
+{
+ free(e);
+}
+
+void Curl_dynhds_init(struct dynhds *dynhds, size_t max_entries,
+ size_t max_strs_size)
+{
+ DEBUGASSERT(dynhds);
+ DEBUGASSERT(max_strs_size);
+ dynhds->hds = NULL;
+ dynhds->hds_len = dynhds->hds_allc = dynhds->strs_len = 0;
+ dynhds->max_entries = max_entries;
+ dynhds->max_strs_size = max_strs_size;
+}
+
+void Curl_dynhds_free(struct dynhds *dynhds)
+{
+ DEBUGASSERT(dynhds);
+ if(dynhds->hds && dynhds->hds_len) {
+ size_t i;
+ DEBUGASSERT(dynhds->hds);
+ for(i = 0; i < dynhds->hds_len; ++i) {
+ entry_free(dynhds->hds[i]);
+ }
+ }
+ Curl_safefree(dynhds->hds);
+ dynhds->hds_len = dynhds->hds_allc = dynhds->strs_len = 0;
+}
+
+void Curl_dynhds_reset(struct dynhds *dynhds)
+{
+ DEBUGASSERT(dynhds);
+ if(dynhds->hds_len) {
+ size_t i;
+ DEBUGASSERT(dynhds->hds);
+ for(i = 0; i < dynhds->hds_len; ++i) {
+ entry_free(dynhds->hds[i]);
+ dynhds->hds[i] = NULL;
+ }
+ }
+ dynhds->hds_len = dynhds->strs_len = 0;
+}
+
+size_t Curl_dynhds_count(struct dynhds *dynhds)
+{
+ return dynhds->hds_len;
+}
+
+struct dynhds_entry *Curl_dynhds_getn(struct dynhds *dynhds, size_t n)
+{
+ DEBUGASSERT(dynhds);
+ return (n < dynhds->hds_len)? dynhds->hds[n] : NULL;
+}
+
+struct dynhds_entry *Curl_dynhds_get(struct dynhds *dynhds, const char *name,
+ size_t namelen)
+{
+ size_t i;
+ for(i = 0; i < dynhds->hds_len; ++i) {
+ if(dynhds->hds[i]->namelen == namelen &&
+ strncasecompare(dynhds->hds[i]->name, name, namelen)) {
+ return dynhds->hds[i];
+ }
+ }
+ return NULL;
+}
+
+struct dynhds_entry *Curl_dynhds_cget(struct dynhds *dynhds, const char *name)
+{
+ return Curl_dynhds_get(dynhds, name, strlen(name));
+}
+
+bool Curl_dynhds_contains(struct dynhds *dynhds,
+ const char *name, size_t namelen)
+{
+ return !!Curl_dynhds_get(dynhds, name, namelen);
+}
+
+bool Curl_dynhds_ccontains(struct dynhds *dynhds, const char *name)
+{
+ return Curl_dynhds_contains(dynhds, name, strlen(name));
+}
+
+CURLcode Curl_dynhds_add(struct dynhds *dynhds,
+ const char *name, size_t namelen,
+ const char *value, size_t valuelen)
+{
+ struct dynhds_entry *entry = NULL;
+ CURLcode result = CURLE_OUT_OF_MEMORY;
+
+ DEBUGASSERT(dynhds);
+ if(dynhds->max_entries && dynhds->hds_len >= dynhds->max_entries)
+ return CURLE_OUT_OF_MEMORY;
+ if(dynhds->strs_len + namelen + valuelen > dynhds->max_strs_size)
+ return CURLE_OUT_OF_MEMORY;
+
+ entry = entry_new(name, namelen, value, valuelen);
+ if(!entry)
+ goto out;
+
+ if(dynhds->hds_len + 1 >= dynhds->hds_allc) {
+ size_t nallc = dynhds->hds_len + 16;
+ struct dynhds_entry **nhds;
+
+ if(dynhds->max_entries && nallc > dynhds->max_entries)
+ nallc = dynhds->max_entries;
+
+ nhds = calloc(nallc, sizeof(struct dynhds_entry *));
+ if(!nhds)
+ goto out;
+ if(dynhds->hds) {
+ memcpy(nhds, dynhds->hds,
+ dynhds->hds_len * sizeof(struct dynhds_entry *));
+ Curl_safefree(dynhds->hds);
+ }
+ dynhds->hds = nhds;
+ dynhds->hds_allc = nallc;
+ }
+ dynhds->hds[dynhds->hds_len++] = entry;
+ entry = NULL;
+ dynhds->strs_len += namelen + valuelen;
+ result = CURLE_OK;
+
+out:
+ if(entry)
+ entry_free(entry);
+ return result;
+}
+
+CURLcode Curl_dynhds_cadd(struct dynhds *dynhds,
+ const char *name, const char *value)
+{
+ return Curl_dynhds_add(dynhds, name, strlen(name), value, strlen(value));
+}
+
+CURLcode Curl_dynhds_set(struct dynhds *dynhds,
+ const char *name, size_t namelen,
+ const char *value, size_t valuelen)
+{
+ Curl_dynhds_remove(dynhds, name, namelen);
+ return Curl_dynhds_add(dynhds, name, namelen, value, valuelen);
+}
+
+CURLcode Curl_dynhds_cset(struct dynhds *dynhds,
+ const char *name, const char *value)
+{
+ return Curl_dynhds_set(dynhds, name, strlen(name), value, strlen(value));
+}
+
+CURLcode Curl_dynhds_h1_cadd_line(struct dynhds *dynhds, const char *line)
+{
+ const char *p;
+ const char *name;
+ size_t namelen;
+ const char *value;
+ size_t valuelen;
+
+ if(!line)
+ return CURLE_OK;
+ p = strchr(line, ':');
+ if(!p) {
+ return CURLE_BAD_FUNCTION_ARGUMENT;
+ }
+
+ name = line;
+ namelen = p - line;
+ p++; /* move past the colon */
+ while(ISBLANK(*p))
+ p++;
+ value = p;
+ p = strchr(value, '\r');
+ if(!p)
+ p = strchr(value, '\n');
+ valuelen = p? ((size_t)(p - value)) : strlen(value);
+
+ return Curl_dynhds_add(dynhds, name, namelen, value, valuelen);
+}
+
+size_t Curl_dynhds_count_name(struct dynhds *dynhds,
+ const char *name, size_t namelen)
+{
+ size_t n = 0;
+ if(dynhds->hds_len) {
+ size_t i;
+ for(i = 0; i < dynhds->hds_len; ++i) {
+ if((namelen == dynhds->hds[i]->namelen) &&
+ strncasecompare(name, dynhds->hds[i]->name, namelen))
+ ++n;
+ }
+ }
+ return n;
+}
+
+size_t Curl_dynhds_ccount_name(struct dynhds *dynhds, const char *name)
+{
+ return Curl_dynhds_count_name(dynhds, name, strlen(name));
+}
+
+size_t Curl_dynhds_remove(struct dynhds *dynhds,
+ const char *name, size_t namelen)
+{
+ size_t n = 0;
+ if(dynhds->hds_len) {
+ size_t i, len;
+ for(i = 0; i < dynhds->hds_len; ++i) {
+ if((namelen == dynhds->hds[i]->namelen) &&
+ strncasecompare(name, dynhds->hds[i]->name, namelen)) {
+ ++n;
+ --dynhds->hds_len;
+ dynhds->strs_len -= (dynhds->hds[i]->namelen +
+ dynhds->hds[i]->valuelen);
+ entry_free(dynhds->hds[i]);
+ len = dynhds->hds_len - i; /* remaining entries */
+ if(len) {
+ memmove(&dynhds->hds[i], &dynhds->hds[i + 1],
+ len * sizeof(dynhds->hds[i]));
+ }
+ --i; /* do this index again */
+ }
+ }
+ }
+ return n;
+}
+
+size_t Curl_dynhds_cremove(struct dynhds *dynhds, const char *name)
+{
+ return Curl_dynhds_remove(dynhds, name, strlen(name));
+}
+
+CURLcode Curl_dynhds_h1_dprint(struct dynhds *dynhds, struct dynbuf *dbuf)
+{
+ CURLcode result = CURLE_OK;
+ size_t i;
+
+ if(!dynhds->hds_len)
+ return result;
+
+ for(i = 0; i < dynhds->hds_len; ++i) {
+ result = Curl_dyn_addf(dbuf, "%.*s: %.*s\r\n",
+ (int)dynhds->hds[i]->namelen, dynhds->hds[i]->name,
+ (int)dynhds->hds[i]->valuelen, dynhds->hds[i]->value);
+ if(result)
+ break;
+ }
+
+ return result;
+}
lib/dynhds.h+155 -0
@@ -0,0 +1,155 @@
+#ifndef HEADER_CURL_DYNHDS_H
+#define HEADER_CURL_DYNHDS_H
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) Daniel Stenberg, <[email protected]>, 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 https://curl.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
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * SPDX-License-Identifier: curl
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+#include "dynbuf.h"
+
+struct dynbuf;
+
+/**
+ * A single header entry.
+ * `name` and `value` are non-NULL and always NUL terminated.
+ */
+struct dynhds_entry {
+ char *name;
+ char *value;
+ size_t namelen;
+ size_t valuelen;
+};
+
+struct dynhds {
+ struct dynhds_entry **hds;
+ size_t hds_len; /* number of entries in hds */
+ size_t hds_allc; /* size of hds allocation */
+ size_t max_entries; /* size limit number of entries */
+ size_t strs_len; /* length of all strings */
+ size_t max_strs_size; /* max length of all strings */
+};
+
+/**
+ * Init for use on first time or after a reset.
+ * Allow `max_entries` headers to be added, 0 for unlimited.
+ * Allow size of all name and values added to not exceed `max_strs_size``
+ */
+void Curl_dynhds_init(struct dynhds *dynhds, size_t max_entries,
+ size_t max_strs_size);
+/**
+ * Frees all data held in `dynhds`, but not the struct itself.
+ */
+void Curl_dynhds_free(struct dynhds *dynhds);
+
+/**
+ * Reset `dyndns` to the initial init state. May keep allocations
+ * around.
+ */
+void Curl_dynhds_reset(struct dynhds *dynhds);
+
+/**
+ * Return the number of header entries.
+ */
+size_t Curl_dynhds_count(struct dynhds *dynhds);
+
+/**
+ * Return the n-th header entry or NULL if it does not exist.
+ */
+struct dynhds_entry *Curl_dynhds_getn(struct dynhds *dynhds, size_t n);
+
+/**
+ * Return the 1st header entry of the name or NULL if none exists.
+ */
+struct dynhds_entry *Curl_dynhds_get(struct dynhds *dynhds,
+ const char *name, size_t namelen);
+struct dynhds_entry *Curl_dynhds_cget(struct dynhds *dynhds, const char *name);
+
+/**
+ * Return TRUE iff one or more headers with the given name exist.
+ */
+bool Curl_dynhds_contains(struct dynhds *dynhds,
+ const char *name, size_t namelen);
+bool Curl_dynhds_ccontains(struct dynhds *dynhds, const char *name);
+
+/**
+ * Return how often the given name appears in `dynhds`.
+ * Names are case-insensitive.
+ */
+size_t Curl_dynhds_count_name(struct dynhds *dynhds,
+ const char *name, size_t namelen);
+
+/**
+ * Return how often the given 0-terminated name appears in `dynhds`.
+ * Names are case-insensitive.
+ */
+size_t Curl_dynhds_ccount_name(struct dynhds *dynhds, const char *name);
+
+/**
+ * Add a header, name + value, to `dynhds` at the end. Does *not*
+ * check for duplicate names.
+ */
+CURLcode Curl_dynhds_add(struct dynhds *dynhds,
+ const char *name, size_t namelen,
+ const char *value, size_t valuelen);
+
+/**
+ * Add a header, c-string name + value, to `dynhds` at the end.
+ */
+CURLcode Curl_dynhds_cadd(struct dynhds *dynhds,
+ const char *name, const char *value);
+
+/**
+ * Remove all entries with the given name.
+ * Returns number of entries removed.
+ */
+size_t Curl_dynhds_remove(struct dynhds *dynhds,
+ const char *name, size_t namelen);
+size_t Curl_dynhds_cremove(struct dynhds *dynhds, const char *name);
+
+/**
+ * Set the give header name and value, replacing any entries with
+ * the same name. The header is added at the end of all (remaining)
+ * entries.
+ */
+CURLcode Curl_dynhds_set(struct dynhds *dynhds,
+ const char *name, size_t namelen,
+ const char *value, size_t valuelen);
+CURLcode Curl_dynhds_cset(struct dynhds *dynhds,
+ const char *name, const char *value);
+
+/**
+ * Add a single header from a HTTP/1.1 formatted line at the end. Line
+ * may contain a delimiting \r\n or just \n. And characters after
+ * that will be ignored.
+ */
+CURLcode Curl_dynhds_h1_cadd_line(struct dynhds *dynhds, const char *line);
+
+
+/**
+ * Add the headers to the given `dynbuf` in HTTP/1.1 format with
+ * cr+lf line endings. Will NOT output a last empty line.
+ */
+CURLcode Curl_dynhds_h1_dprint(struct dynhds *dynhds, struct dynbuf *dbuf);
+
+#endif /* HEADER_CURL_DYNHDS_H */
lib/http.c+271 -0
@@ -71,6 +71,7 @@
#include "url.h"
#include "share.h"
#include "hostip.h"
+#include "dynhds.h"
#include "http.h"
#include "select.h"
#include "parsedate.h" /* for the week day and month names */
@@ -1713,6 +1714,157 @@ CURLcode Curl_http_compile_trailers(struct curl_slist *trailers,
return result;
}
+static bool hd_name_eq(const char *n1, size_t n1len,
+ const char *n2, size_t n2len)
+{
+ if(n1len == n2len) {
+ return strncasecompare(n1, n2, n1len);
+ }
+ return FALSE;
+}
+
+CURLcode Curl_dynhds_add_custom(struct Curl_easy *data,
+ bool is_connect,
+ struct dynhds *hds)
+{
+ struct connectdata *conn = data->conn;
+ char *ptr;
+ struct curl_slist *h[2];
+ struct curl_slist *headers;
+ int numlists = 1; /* by default */
+ int i;
+
+#ifndef CURL_DISABLE_PROXY
+ enum proxy_use proxy;
+
+ if(is_connect)
+ proxy = HEADER_CONNECT;
+ else
+ proxy = conn->bits.httpproxy && !conn->bits.tunnel_proxy?
+ HEADER_PROXY:HEADER_SERVER;
+
+ 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;
+ }
+#else
+ (void)is_connect;
+ h[0] = data->set.headers;
+#endif
+
+ /* loop through one or two lists */
+ for(i = 0; i < numlists; i++) {
+ for(headers = h[i]; headers; headers = headers->next) {
+ const char *name, *value;
+ size_t namelen, valuelen;
+
+ /* There are 2 quirks in place for custom headers:
+ * 1. setting only 'name:' to suppress a header from being sent
+ * 2. setting only 'name;' to send an empty (illegal) header
+ */
+ ptr = strchr(headers->data, ':');
+ if(ptr) {
+ name = headers->data;
+ namelen = ptr - headers->data;
+ ptr++; /* pass the colon */
+ while(*ptr && ISSPACE(*ptr))
+ ptr++;
+ if(*ptr) {
+ value = ptr;
+ valuelen = strlen(value);
+ }
+ else {
+ /* quirk #1, suppress this header */
+ continue;
+ }
+ }
+ else {
+ ptr = strchr(headers->data, ';');
+
+ if(!ptr) {
+ /* neither : nor ; in provided header value. We seem
+ * to ignore this silently */
+ continue;
+ }
+
+ name = headers->data;
+ namelen = ptr - headers->data;
+ ptr++; /* pass the semicolon */
+ while(*ptr && ISSPACE(*ptr))
+ ptr++;
+ if(!*ptr) {
+ /* quirk #2, send an empty header */
+ value = "";
+ valuelen = 0;
+ }
+ else {
+ /* this may be used for something else in the future,
+ * ignore this for now */
+ continue;
+ }
+ }
+
+ DEBUGASSERT(name && value);
+ if(data->state.aptr.host &&
+ /* a Host: header was sent already, don't pass on any custom Host:
+ header as that will produce *two* in the same request! */
+ hd_name_eq(name, namelen, STRCONST("Host:")))
+ ;
+ else if(data->state.httpreq == HTTPREQ_POST_FORM &&
+ /* this header (extended by formdata.c) is sent later */
+ hd_name_eq(name, namelen, STRCONST("Content-Type:")))
+ ;
+ else if(data->state.httpreq == HTTPREQ_POST_MIME &&
+ /* this header is sent later */
+ hd_name_eq(name, namelen, STRCONST("Content-Type:")))
+ ;
+ else if(conn->bits.authneg &&
+ /* while doing auth neg, don't allow the custom length since
+ we will force length zero then */
+ hd_name_eq(name, namelen, STRCONST("Content-Length:")))
+ ;
+ else if(data->state.aptr.te &&
+ /* when asking for Transfer-Encoding, don't pass on a custom
+ Connection: */
+ hd_name_eq(name, namelen, STRCONST("Connection:")))
+ ;
+ else if((conn->httpversion >= 20) &&
+ hd_name_eq(name, namelen, STRCONST("Transfer-Encoding:")))
+ /* HTTP/2 doesn't support chunked requests */
+ ;
+ else if((hd_name_eq(name, namelen, STRCONST("Authorization:")) ||
+ hd_name_eq(name, namelen, STRCONST("Cookie:"))) &&
+ /* be careful of sending this potentially sensitive header to
+ other hosts */
+ !Curl_auth_allowed_to_host(data))
+ ;
+ else {
+ CURLcode result;
+
+ result = Curl_dynhds_add(hds, name, namelen, value, valuelen);
+ if(result)
+ return result;
+ }
+ }
+ }
+
+ return CURLE_OK;
+}
+
CURLcode Curl_add_custom_headers(struct Curl_easy *data,
bool is_connect,
#ifndef USE_HYPER
@@ -4344,4 +4496,123 @@ CURLcode Curl_http_readwrite_headers(struct Curl_easy *data,
return CURLE_OK;
}
+
+/* Decode HTTP status code string. */
+CURLcode Curl_http_decode_status(int *pstatus, const char *s, size_t len)
+{
+ CURLcode result = CURLE_BAD_FUNCTION_ARGUMENT;
+ int status = 0;
+ int i;
+
+ if(len != 3)
+ goto out;
+
+ for(i = 0; i < 3; ++i) {
+ char c = s[i];
+
+ if(c < '0' || c > '9')
+ goto out;
+
+ status *= 10;
+ status += c - '0';
+ }
+ result = CURLE_OK;
+out:
+ *pstatus = result? -1 : status;
+ return result;
+}
+
+CURLcode Curl_http_req_make(struct http_req **preq,
+ const char *method,
+ const char *scheme,
+ const char *authority,
+ const char *path)
+{
+ struct http_req *req;
+ CURLcode result = CURLE_OUT_OF_MEMORY;
+ size_t mlen;
+
+ DEBUGASSERT(method);
+ mlen = strlen(method);
+ if(mlen + 1 >= sizeof(req->method))
+ return CURLE_BAD_FUNCTION_ARGUMENT;
+
+ req = calloc(1, sizeof(*req));
+ if(!req)
+ goto out;
+ memcpy(req->method, method, mlen);
+ if(scheme) {
+ req->scheme = strdup(scheme);
+ if(!req->scheme)
+ goto out;
+ }
+ if(authority) {
+ req->authority = strdup(authority);
+ if(!req->authority)
+ goto out;
+ }
+ if(path) {
+ req->path = strdup(path);
+ if(!req->path)
+ goto out;
+ }
+ Curl_dynhds_init(&req->headers, 128, DYN_H2_HEADERS);
+ result = CURLE_OK;
+
+out:
+ if(result && req)
+ Curl_http_req_free(req);
+ *preq = result? NULL : req;
+ return result;
+}
+
+void Curl_http_req_free(struct http_req *req)
+{
+ if(req) {
+ free(req->scheme);
+ free(req->authority);
+ free(req->path);
+ Curl_dynhds_free(&req->headers);
+ free(req);
+ }
+}
+
+CURLcode Curl_http_resp_make(struct http_resp **presp,
+ int status,
+ const char *description)
+{
+ struct http_resp *resp;
+ CURLcode result = CURLE_OUT_OF_MEMORY;
+
+ resp = calloc(1, sizeof(*resp));
+ if(!resp)
+ goto out;
+
+ resp->status = status;
+ if(description) {
+ resp->description = strdup(description);
+ if(!resp->description)
+ goto out;
+ }
+ Curl_dynhds_init(&resp->headers, 128, DYN_H2_HEADERS);
+ result = CURLE_OK;
+
+out:
+ if(result && resp)
+ Curl_http_resp_free(resp);
+ *presp = result? NULL : resp;
+ return result;
+}
+
+void Curl_http_resp_free(struct http_resp *resp)
+{
+ if(resp) {
+ free(resp->description);
+ Curl_dynhds_free(&resp->headers);
+ if(resp->prev)
+ Curl_http_resp_free(resp->prev);
+ free(resp);
+ }
+}
+
#endif /* CURL_DISABLE_HTTP */
lib/http.h+50 -0
@@ -29,6 +29,7 @@
#include <pthread.h>
#endif
+#include "dynhds.h"
#include "ws.h"
typedef enum {
@@ -60,6 +61,7 @@ extern const struct Curl_handler Curl_handler_wss;
#endif
#endif /* websockets */
+struct dynhds;
/* Header specific functions */
bool Curl_compareheader(const char *headerline, /* line to check */
@@ -97,6 +99,10 @@ CURLcode Curl_add_custom_headers(struct Curl_easy *data,
void *headers
#endif
);
+CURLcode Curl_dynhds_add_custom(struct Curl_easy *data,
+ bool is_connect,
+ struct dynhds *hds);
+
CURLcode Curl_http_compile_trailers(struct curl_slist *trailers,
struct dynbuf *buf,
struct Curl_easy *handle);
@@ -328,4 +334,48 @@ Curl_http_output_auth(struct Curl_easy *data,
bool proxytunnel); /* TRUE if this is the request setting
up the proxy tunnel */
+/* Decode HTTP status code string. */
+CURLcode Curl_http_decode_status(int *pstatus, const char *s, size_t len);
+
+/**
+ * All about a core HTTP request, excluding body and trailers
+ */
+struct http_req {
+ char method[12];
+ char *scheme;
+ char *authority;
+ char *path;
+ struct dynhds headers;
+};
+
+/**
+ * Create a HTTP request struct.
+ */
+CURLcode Curl_http_req_make(struct http_req **preq,
+ const char *method,
+ const char *scheme,
+ const char *authority,
+ const char *path);
+
+void Curl_http_req_free(struct http_req *req);
+
+/**
+ * All about a core HTTP response, excluding body and trailers
+ */
+struct http_resp {
+ int status;
+ char *description;
+ struct dynhds headers;
+ struct http_resp *prev;
+};
+
+/**
+ * Create a HTTP response struct.
+ */
+CURLcode Curl_http_resp_make(struct http_resp **presp,
+ int status,
+ const char *description);
+
+void Curl_http_resp_free(struct http_resp *resp);
+
#endif /* HEADER_CURL_HTTP_H */
tests/data/Makefile.inc+1 -1
@@ -250,7 +250,7 @@ test2400 test2401 test2402 test2403 \
\
test2500 test2501 test2502 test2503 \
\
-test2600 \
+test2600 test2601 test2602 \
\
test3000 test3001 test3002 test3003 test3004 test3005 test3006 test3007 \
test3008 test3009 test3010 test3011 test3012 test3013 test3014 test3015 \
tests/data/test2601+22 -0
@@ -0,0 +1,22 @@
+<testcase>
+<info>
+<keywords>
+unittest
+bufq
+</keywords>
+</info>
+
+#
+# Client-side
+<client>
+<server>
+none
+</server>
+<features>
+unittest
+</features>
+ <name>
+bufq unit tests
+ </name>
+</client>
+</testcase>
tests/data/test2602+22 -0
@@ -0,0 +1,22 @@
+<testcase>
+<info>
+<keywords>
+unittest
+dynhds
+</keywords>
+</info>
+
+#
+# Client-side
+<client>
+<server>
+none
+</server>
+<features>
+unittest
+</features>
+ <name>
+dynhds unit tests
+ </name>
+</client>
+</testcase>
tests/unit/CMakeLists.txt+1 -1
@@ -38,7 +38,7 @@ include_directories(
# or else they will fail to link. Some of the tests require the special libcurlu
# build, so filter those out until we get libcurlu.
list(FILTER UNITPROGS EXCLUDE REGEX
- "unit1394|unit1395|unit1604|unit1608|unit1621|unit1650|unit1653|unit1655|unit1660|unit2600")
+ "unit1394|unit1395|unit1604|unit1608|unit1621|unit1650|unit1653|unit1655|unit1660|unit2600|unit2601|unit2602")
if(NOT BUILD_SHARED_LIBS)
foreach(_testfile ${UNITPROGS})
add_executable(${_testfile} EXCLUDE_FROM_ALL ${_testfile}.c ${UNITFILES})
tests/unit/Makefile.am+4 -0
@@ -154,4 +154,8 @@ unit1661_SOURCES = unit1661.c $(UNITFILES)
unit2600_SOURCES = unit2600.c $(UNITFILES)
+unit2601_SOURCES = unit2601.c $(UNITFILES)
+
+unit2602_SOURCES = unit2602.c $(UNITFILES)
+
unit3200_SOURCES = unit3200.c $(UNITFILES)
tests/unit/Makefile.inc+1 -1
@@ -38,5 +38,5 @@ UNITPROGS = unit1300 unit1302 unit1303 unit1304 unit1305 unit1307 \
unit1620 unit1621 \
unit1650 unit1651 unit1652 unit1653 unit1654 unit1655 \
unit1660 unit1661 \
- unit2600 \
+ unit2600 unit2601 unit2602 \
unit3200
tests/unit/unit2601.c+246 -0
@@ -0,0 +1,246 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) Daniel Stenberg, <[email protected]>, 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 https://curl.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
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * SPDX-License-Identifier: curl
+ *
+ ***************************************************************************/
+#include "curlcheck.h"
+
+#include "urldata.h"
+#include "bufq.h"
+#include "curl_log.h"
+
+static CURLcode unit_setup(void)
+{
+ CURLcode res = CURLE_OK;
+ return res;
+}
+
+static void unit_stop(void)
+{
+}
+
+static const char *tail_err(struct bufq *q)
+{
+ struct buf_chunk *chunk;
+
+ if(!q->tail) {
+ return q->head? "tail is NULL, but head is not" : NULL;
+ }
+
+ chunk = q->head;
+ while(chunk) {
+ if(chunk == q->tail) {
+ if(chunk->next) {
+ return "tail points to queue, but not at the end";
+ }
+ return NULL;
+ }
+ chunk = chunk->next;
+ }
+ return "tail not part of queue";
+}
+
+static void dump_bufq(struct bufq *q, const char *msg)
+{
+ struct buf_chunk *chunk;
+ const char *terr;
+ size_t n;
+
+ fprintf(stderr, "bufq[chunk_size=%zu, max_chunks=%zu] %s\n",
+ q->chunk_size, q->max_chunks, msg);
+ fprintf(stderr, "- queue[\n");
+ chunk = q->head;
+ while(chunk) {
+ fprintf(stderr, " chunk[len=%zu, roff=%zu, woff=%zu]\n",
+ chunk->dlen, chunk->r_offset, chunk->w_offset);
+ chunk = chunk->next;
+ }
+ fprintf(stderr, " ]\n");
+ terr = tail_err(q);
+ fprintf(stderr, "- tail: %s\n", terr? terr : "ok");
+ n = 0;
+ chunk = q->spare;
+ while(chunk) {
+ ++n;
+ chunk = chunk->next;
+ }
+ fprintf(stderr, "- chunks: %zu\n", q->chunk_count);
+ fprintf(stderr, "- spares: %zu\n", n);
+}
+
+static unsigned char test_data[32*1024];
+
+static void check_bufq(size_t pool_spares,
+ size_t chunk_size, size_t max_chunks,
+ size_t wsize, size_t rsize, int opts)
+{
+ struct bufq q;
+ struct bufc_pool pool;
+ size_t max_len = chunk_size * max_chunks;
+ CURLcode result;
+ ssize_t n, i;
+ size_t nwritten, nread;
+
+ if(pool_spares > 0) {
+ Curl_bufcp_init(&pool, chunk_size, pool_spares);
+ Curl_bufq_initp(&q, &pool, max_chunks, opts);
+ }
+ else {
+ Curl_bufq_init2(&q, chunk_size, max_chunks, opts);
+ }
+
+ fail_unless(q.chunk_size == chunk_size, "chunk_size init wrong");
+ fail_unless(q.max_chunks == max_chunks, "max_chunks init wrong");
+ fail_unless(q.head == NULL, "init: head not NULL");
+ fail_unless(q.tail == NULL, "init: tail not NULL");
+ fail_unless(q.spare == NULL, "init: spare not NULL");
+ fail_unless(Curl_bufq_len(&q) == 0, "init: bufq length != 0");
+
+ n = Curl_bufq_write(&q, test_data, wsize, &result);
+ fail_unless(n >= 0, "write: negative size returned");
+ fail_unless((size_t)n <= wsize, "write: wrong size returned");
+ fail_unless(result == CURLE_OK, "write: wrong result returned");
+
+ /* write empty bufq full */
+ nwritten = 0;
+ Curl_bufq_reset(&q);
+ while(!Curl_bufq_is_full(&q)) {
+ n = Curl_bufq_write(&q, test_data, wsize, &result);
+ if(n >= 0) {
+ nwritten += (size_t)n;
+ }
+ else if(result != CURLE_AGAIN) {
+ fail_unless(result == CURLE_AGAIN, "write-loop: unexpected result");
+ break;
+ }
+ }
+ if(nwritten != max_len) {
+ fprintf(stderr, "%zu bytes written, but max_len=%zu\n",
+ nwritten, max_len);
+ dump_bufq(&q, "after writing full");
+ fail_if(TRUE, "write: bufq full but nwritten wrong");
+ }
+
+ /* read full bufq empty */
+ nread = 0;
+ while(!Curl_bufq_is_empty(&q)) {
+ n = Curl_bufq_read(&q, test_data, rsize, &result);
+ if(n >= 0) {
+ nread += (size_t)n;
+ }
+ else if(result != CURLE_AGAIN) {
+ fail_unless(result == CURLE_AGAIN, "read-loop: unexpected result");
+ break;
+ }
+ }
+ if(nread != max_len) {
+ fprintf(stderr, "%zu bytes read, but max_len=%zu\n",
+ nwritten, max_len);
+ dump_bufq(&q, "after reading empty");
+ fail_if(TRUE, "read: bufq empty but nread wrong");
+ }
+ if(q.tail) {
+ dump_bufq(&q, "after reading empty");
+ fail_if(TRUE, "read empty, but tail is not NULL");
+ }
+
+ for(i = 0; i < 1000; ++i) {
+ n = Curl_bufq_write(&q, test_data, wsize, &result);
+ if(n < 0 && result != CURLE_AGAIN) {
+ fail_unless(result == CURLE_AGAIN, "rw-loop: unexpected write result");
+ break;
+ }
+ n = Curl_bufq_read(&q, test_data, rsize, &result);
+ if(n < 0 && result != CURLE_AGAIN) {
+ fail_unless(result == CURLE_AGAIN, "rw-loop: unexpected read result");
+ break;
+ }
+ }
+
+ /* Test SOFT_LIMIT option */
+ Curl_bufq_free(&q);
+ Curl_bufq_init2(&q, chunk_size, max_chunks, (opts|BUFQ_OPT_SOFT_LIMIT));
+ nwritten = 0;
+ while(!Curl_bufq_is_full(&q)) {
+ n = Curl_bufq_write(&q, test_data, wsize, &result);
+ if(n < 0 || (size_t)n != wsize) {
+ fail_unless(n > 0 && (size_t)n == wsize, "write should be complete");
+ break;
+ }
+ nwritten += (size_t)n;
+ }
+ if(nwritten < max_len) {
+ fprintf(stderr, "%zu bytes written, but max_len=%zu\n",
+ nwritten, max_len);
+ dump_bufq(&q, "after writing full");
+ fail_if(TRUE, "write: bufq full but nwritten wrong");
+ }
+ /* do one more write on a full bufq, should work */
+ n = Curl_bufq_write(&q, test_data, wsize, &result);
+ fail_unless(n > 0 && (size_t)n == wsize, "write should be complete");
+ nwritten += (size_t)n;
+ /* see that we get all out again */
+ nread = 0;
+ while(!Curl_bufq_is_empty(&q)) {
+ n = Curl_bufq_read(&q, test_data, rsize, &result);
+ if(n <= 0) {
+ fail_unless(n > 0, "read-loop: unexpected fail");
+ break;
+ }
+ nread += (size_t)n;
+ }
+ fail_unless(nread == nwritten, "did not get the same out as put in");
+
+ dump_bufq(&q, "at end of test");
+ Curl_bufq_free(&q);
+ if(pool_spares > 0)
+ Curl_bufcp_free(&pool);
+}
+
+UNITTEST_START
+ struct bufq q;
+ ssize_t n;
+ CURLcode result;
+ unsigned char buf[16*1024];
+
+ Curl_bufq_init(&q, 8*1024, 12);
+ n = Curl_bufq_read(&q, buf, 128, &result);
+ fail_unless(n < 0 && result == CURLE_AGAIN, "read empty fail");
+ Curl_bufq_free(&q);
+
+ check_bufq(0, 1024, 4, 128, 128, BUFQ_OPT_NONE);
+ check_bufq(0, 1024, 4, 129, 127, BUFQ_OPT_NONE);
+ check_bufq(0, 1024, 4, 2000, 16000, BUFQ_OPT_NONE);
+ check_bufq(0, 1024, 4, 16000, 3000, BUFQ_OPT_NONE);
+
+ check_bufq(0, 8000, 10, 1234, 1234, BUFQ_OPT_NONE);
+ check_bufq(0, 8000, 10, 8*1024, 4*1024, BUFQ_OPT_NONE);
+
+ check_bufq(0, 1024, 4, 128, 128, BUFQ_OPT_NO_SPARES);
+ check_bufq(0, 1024, 4, 129, 127, BUFQ_OPT_NO_SPARES);
+ check_bufq(0, 1024, 4, 2000, 16000, BUFQ_OPT_NO_SPARES);
+ check_bufq(0, 1024, 4, 16000, 3000, BUFQ_OPT_NO_SPARES);
+
+ check_bufq(8, 1024, 4, 128, 128, BUFQ_OPT_NONE);
+ check_bufq(8, 8000, 10, 1234, 1234, BUFQ_OPT_NONE);
+ check_bufq(8, 1024, 4, 129, 127, BUFQ_OPT_NO_SPARES);
+
+UNITTEST_STOP
tests/unit/unit2602.c+125 -0
@@ -0,0 +1,125 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) Daniel Stenberg, <[email protected]>, 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 https://curl.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
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * SPDX-License-Identifier: curl
+ *
+ ***************************************************************************/
+#include "curlcheck.h"
+
+#include "urldata.h"
+#include "dynbuf.h"
+#include "dynhds.h"
+#include "curl_log.h"
+
+static CURLcode unit_setup(void)
+{
+ return CURLE_OK;
+}
+
+static void unit_stop(void)
+{
+}
+
+
+UNITTEST_START
+
+ struct dynhds hds;
+ struct dynbuf dbuf;
+ CURLcode result;
+ size_t i;
+
+ /* add 1 more header than allowed */
+ Curl_dynhds_init(&hds, 2, 128);
+ fail_if(Curl_dynhds_count(&hds), "should be empty");
+ fail_if(Curl_dynhds_add(&hds, "test1", 5, "123", 3), "add failed");
+ fail_if(Curl_dynhds_add(&hds, "test2", 5, "456", 3), "add failed");
+ /* remove and add without exceeding limits */
+ for(i = 0; i < 100; ++i) {
+ if(Curl_dynhds_remove(&hds, "test2", 5) != 1) {
+ fail_if(TRUE, "should");
+ break;
+ }
+ if(Curl_dynhds_add(&hds, "test2", 5, "456", 3)) {
+ fail_if(TRUE, "add failed");
+ break;
+ }
+ }
+ fail_unless(Curl_dynhds_count(&hds) == 2, "should hold 2");
+ /* set, replacing previous entry without exceeding limits */
+ for(i = 0; i < 100; ++i) {
+ if(Curl_dynhds_set(&hds, "test2", 5, "456", 3)) {
+ fail_if(TRUE, "add failed");
+ break;
+ }
+ }
+ fail_unless(Curl_dynhds_count(&hds) == 2, "should hold 2");
+ /* exceed limit on # of entries */
+ result = Curl_dynhds_add(&hds, "test3", 5, "789", 3);
+ fail_unless(result, "add should have failed");
+
+ fail_unless(Curl_dynhds_count_name(&hds, "test", 4) == 0, "false positive");
+ fail_unless(Curl_dynhds_count_name(&hds, "test1", 4) == 0, "false positive");
+ fail_if(Curl_dynhds_get(&hds, "test1", 4), "false positive");
+ fail_unless(Curl_dynhds_get(&hds, "test1", 5), "false negative");
+ fail_unless(Curl_dynhds_count_name(&hds, "test1", 5) == 1, "should");
+ fail_unless(Curl_dynhds_ccount_name(&hds, "test2") == 1, "should");
+ fail_unless(Curl_dynhds_cget(&hds, "test2"), "should");
+ fail_unless(Curl_dynhds_ccount_name(&hds, "TEST2") == 1, "should");
+ fail_unless(Curl_dynhds_ccontains(&hds, "TesT2"), "should");
+ fail_unless(Curl_dynhds_contains(&hds, "TeSt2", 5), "should");
+ Curl_dynhds_free(&hds);
+
+ /* add header exceeding max overall length */
+ Curl_dynhds_init(&hds, 128, 10);
+ fail_if(Curl_dynhds_add(&hds, "test1", 5, "123", 3), "add failed");
+ fail_unless(Curl_dynhds_add(&hds, "test2", 5, "456", 3), "should fail");
+ fail_if(Curl_dynhds_add(&hds, "t", 1, "1", 1), "add failed");
+ Curl_dynhds_reset(&hds);
+ Curl_dynhds_free(&hds);
+
+ Curl_dynhds_init(&hds, 128, 4*1024);
+ fail_if(Curl_dynhds_add(&hds, "test1", 5, "123", 3), "add failed");
+ fail_if(Curl_dynhds_add(&hds, "test1", 5, "123", 3), "add failed");
+ fail_if(Curl_dynhds_cadd(&hds, "blablabla", "thingies"), "add failed");
+ fail_if(Curl_dynhds_h1_cadd_line(&hds, "blablabla: thingies"), "add failed");
+ fail_unless(Curl_dynhds_ccount_name(&hds, "blablabla") == 2, "should");
+ fail_unless(Curl_dynhds_cremove(&hds, "blablabla") == 2, "should");
+ fail_if(Curl_dynhds_ccontains(&hds, "blablabla"), "should not");
+
+ result = Curl_dynhds_h1_cadd_line(&hds, "blablabla thingies");
+ fail_unless(result, "add should have failed");
+ if(!result) {
+ fail_unless(Curl_dynhds_ccount_name(&hds, "bLABlaBlA") == 0, "should");
+ fail_if(Curl_dynhds_cadd(&hds, "Bla-Bla", "thingies"), "add failed");
+
+ Curl_dyn_init(&dbuf, 32*1024);
+ fail_if(Curl_dynhds_h1_dprint(&hds, &dbuf), "h1 print failed");
+ if(Curl_dyn_ptr(&dbuf)) {
+ fprintf(stderr, "%s", Curl_dyn_ptr(&dbuf));
+ fail_if(strcmp(Curl_dyn_ptr(&dbuf),
+ "test1: 123\r\ntest1: 123\r\nBla-Bla: thingies\r\n"),
+ "h1 format differs");
+ }
+ Curl_dyn_free(&dbuf);
+ }
+
+ Curl_dynhds_free(&hds);
+
+UNITTEST_STOP