first commit

curl/tests/server/CMakeLists.txt

@@ -0,0 +1,81 @@
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 2009 - 2020, 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.
+#
+###########################################################################
+set(TARGET_LABEL_PREFIX "Test server ")
+
+if(MSVC)
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4306")
+endif()
+
+function(SETUP_EXECUTABLE TEST_NAME)    # ARGN are the files in the test
+  add_executable(${TEST_NAME} EXCLUDE_FROM_ALL ${ARGN})
+  add_dependencies(testdeps ${TEST_NAME})
+  string(TOUPPER ${TEST_NAME} UPPER_TEST_NAME)
+
+  include_directories(
+    ${CURL_SOURCE_DIR}/lib      # To be able to reach "curl_setup_once.h"
+    ${CURL_BINARY_DIR}/lib      # To be able to reach "curl_config.h"
+    ${CURL_BINARY_DIR}/include  # To be able to reach "curl/curl.h"
+    )
+  if(USE_ARES)
+    include_directories(${CARES_INCLUDE_DIR})
+  endif()
+
+  target_link_libraries(${TEST_NAME} ${CURL_LIBS})
+
+  # Test servers simply are standalone programs that do not use libcurl
+  # library.  For convenience and to ease portability of these servers,
+  # some source code files from the libcurl subdirectory are also used
+  # to build the servers.  In order to achieve proper linkage of these
+  # files on Win32 targets it is necessary to build the test servers
+  # with CURL_STATICLIB defined, independently of how libcurl is built.
+  if(BUILD_SHARED_LIBS)
+    set_target_properties(${TEST_NAME} PROPERTIES
+      COMPILE_DEFINITIONS CURL_STATICLIB)       # ${UPPER_TEST_NAME}
+  endif()
+  set_target_properties(${TEST_NAME} PROPERTIES
+    PROJECT_LABEL "${TARGET_LABEL_PREFIX}${TEST_NAME}")
+endfunction()
+
+
+transform_makefile_inc("Makefile.inc"
+  "${CMAKE_CURRENT_BINARY_DIR}/Makefile.inc.cmake")
+include(${CMAKE_CURRENT_BINARY_DIR}/Makefile.inc.cmake)
+
+foreach(EXECUTABLE_NAME ${noinst_PROGRAMS})
+  setup_executable(${EXECUTABLE_NAME} ${${EXECUTABLE_NAME}_SOURCES})
+endforeach()
+
+
+# SET(useful
+# getpart.c getpart.h
+# ${CURL_SOURCE_DIR}/lib/strequal.c
+# ${CURL_SOURCE_DIR}/lib/base64.c
+# ${CURL_SOURCE_DIR}/lib/mprintf.c
+# ${CURL_SOURCE_DIR}/lib/memdebug.c
+# ${CURL_SOURCE_DIR}/lib/timeval.c
+# )
+
+# SETUP_EXECUTABLE(sws sws.c util.c util.h ${useful})
+# SETUP_EXECUTABLE(resolve resolve.c util.c util.h ${useful})
+# SETUP_EXECUTABLE(sockfilt sockfilt.c util.c util.h ${useful} ${CURL_SOURCE_DIR}/lib/inet_pton.c)
+# SETUP_EXECUTABLE(getpart testpart.c ${useful})
+# SETUP_EXECUTABLE(tftpd tftpd.c util.c util.h ${useful} tftp.h)

curl/tests/server/Makefile.am

@@ -0,0 +1,70 @@
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 1998 - 2020, 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.
+#
+###########################################################################
+AUTOMAKE_OPTIONS = foreign nostdinc
+
+# Specify our include paths here, and do it relative to $(top_srcdir) and
+# $(top_builddir), to ensure that these paths which belong to the library
+# being currently built and tested are searched before the library which
+# might possibly already be installed in the system.
+#
+# $(top_srcdir)/include is for libcurl's external include files
+# $(top_builddir)/lib is for libcurl's generated lib/curl_config.h file
+# $(top_srcdir)/lib for libcurl's lib/curl_setup.h and other "borrowed" files
+# $(top_builddir)/ares is for in-tree c-ares's generated ares_build.h file
+# $(top_srcdir)/ares is for in-tree c-ares's external include files
+
+if USE_EMBEDDED_ARES
+AM_CPPFLAGS = -I$(top_srcdir)/include        \
+              -I$(top_builddir)/lib          \
+              -I$(top_srcdir)/lib            \
+              -I$(top_builddir)/ares         \
+              -I$(top_srcdir)/ares
+else
+AM_CPPFLAGS = -I$(top_srcdir)/include        \
+              -I$(top_builddir)/lib          \
+              -I$(top_srcdir)/lib
+endif
+
+# Prevent LIBS from being used for all link targets
+LIBS = $(BLANK_AT_MAKETIME)
+
+if DOING_NATIVE_WINDOWS
+AM_CPPFLAGS += -DCURL_STATICLIB
+endif
+
+# Makefile.inc provides neat definitions
+include Makefile.inc
+
+EXTRA_DIST = base64.pl Makefile.inc CMakeLists.txt
+
+CHECKSRC = $(CS_$(V))
+CS_0 = @echo "  RUN     " $@;
+CS_1 =
+CS_ = $(CS_0)
+
+checksrc:
+	$(CHECKSRC)@PERL@ $(top_srcdir)/lib/checksrc.pl $(srcdir)/*.[ch]
+
+if CURLDEBUG
+# for debug builds, we scan the sources on all regular make invokes
+all-local: checksrc
+endif

curl/tests/server/Makefile.inc

@@ -0,0 +1,113 @@
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 2009 - 2020, 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.
+#
+###########################################################################
+
+noinst_PROGRAMS = getpart resolve rtspd sockfilt sws tftpd fake_ntlm    \
+ socksd disabled mqttd
+
+CURLX_SRCS = \
+ ../../lib/mprintf.c \
+ ../../lib/nonblock.c \
+ ../../lib/strtoofft.c \
+ ../../lib/warnless.c \
+ ../../lib/curl_ctype.c \
+ ../../lib/dynbuf.c \
+ ../../lib/strdup.c \
+ ../../lib/curl_multibyte.c
+
+CURLX_HDRS = \
+ ../../lib/curlx.h \
+ ../../lib/nonblock.h \
+ ../../lib/strtoofft.h \
+ ../../lib/warnless.h \
+ ../../lib/curl_ctype.h \
+ ../../lib/dynbuf.h \
+ ../../lib/strdup.h \
+ ../../lib/curl_multibyte.h
+
+USEFUL = \
+ getpart.c \
+ getpart.h \
+ server_setup.h \
+ ../../lib/base64.c \
+ ../../lib/curl_base64.h \
+ ../../lib/memdebug.c \
+ ../../lib/memdebug.h
+
+UTIL = \
+ util.c \
+ util.h
+
+getpart_SOURCES = $(CURLX_SRCS) $(CURLX_HDRS) $(USEFUL) \
+ testpart.c
+getpart_LDADD = @CURL_NETWORK_AND_TIME_LIBS@
+getpart_CFLAGS = $(AM_CFLAGS)
+
+resolve_SOURCES = $(CURLX_SRCS) $(CURLX_HDRS) $(USEFUL) $(UTIL) \
+ resolve.c
+resolve_LDADD = @CURL_NETWORK_AND_TIME_LIBS@
+resolve_CFLAGS = $(AM_CFLAGS)
+
+rtspd_SOURCES = $(CURLX_SRCS) $(CURLX_HDRS) $(USEFUL) $(UTIL) \
+ server_sockaddr.h \
+ rtspd.c
+rtspd_LDADD = @CURL_NETWORK_AND_TIME_LIBS@
+rtspd_CFLAGS = $(AM_CFLAGS)
+
+sockfilt_SOURCES = $(CURLX_SRCS) $(CURLX_HDRS) $(USEFUL) $(UTIL) \
+ server_sockaddr.h \
+ sockfilt.c \
+ ../../lib/inet_pton.c
+sockfilt_LDADD = @CURL_NETWORK_AND_TIME_LIBS@
+sockfilt_CFLAGS = $(AM_CFLAGS)
+
+socksd_SOURCES = $(CURLX_SRCS) $(CURLX_HDRS) $(USEFUL) $(UTIL) \
+ server_sockaddr.h socksd.c \
+ ../../lib/inet_pton.c
+socksd_LDADD = @CURL_NETWORK_AND_TIME_LIBS@
+socksd_CFLAGS = $(AM_CFLAGS)
+
+mqttd_SOURCES = $(CURLX_SRCS) $(CURLX_HDRS) $(USEFUL) $(UTIL) \
+ server_sockaddr.h mqttd.c \
+ ../../lib/inet_pton.c
+mqttd_LDADD = @CURL_NETWORK_AND_TIME_LIBS@
+mqttd_CFLAGS = $(AM_CFLAGS)
+
+sws_SOURCES = $(CURLX_SRCS) $(CURLX_HDRS) $(USEFUL) $(UTIL) \
+ server_sockaddr.h \
+ sws.c \
+ ../../lib/inet_pton.c
+sws_LDADD = @CURL_NETWORK_AND_TIME_LIBS@
+sws_CFLAGS = $(AM_CFLAGS)
+
+tftpd_SOURCES = $(CURLX_SRCS) $(CURLX_HDRS) $(USEFUL) $(UTIL) \
+ server_sockaddr.h \
+ tftpd.c \
+ tftp.h
+tftpd_LDADD = @CURL_NETWORK_AND_TIME_LIBS@
+tftpd_CFLAGS = $(AM_CFLAGS)
+
+fake_ntlm_SOURCES = $(CURLX_SRCS) $(CURLX_HDRS) $(USEFUL) $(UTIL) \
+ fake_ntlm.c
+fake_ntlm_LDADD = @CURL_NETWORK_AND_TIME_LIBS@
+fake_ntlm_CFLAGS = $(AM_CFLAGS)
+
+disabled_SOURCES = disabled.c

curl/tests/server/base64.pl

@@ -0,0 +1,30 @@
+#!/usr/bin/env perl
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 2004 - 2020, 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.
+#
+###########################################################################
+
+use MIME::Base64 qw(encode_base64);
+
+my $buf;
+while(read(STDIN, $buf, 60*57)) {
+    my $enc = encode_base64($buf);
+    print "$enc";
+}

curl/tests/server/disabled.c

@@ -0,0 +1,83 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2020, 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.
+ *
+ ***************************************************************************/
+
+/*
+ * The purpose of this tool is to figure out which, if any, features that are
+ * disabled which should otherwise exist and work. These aren't visible in
+ * regular curl -V output.
+ *
+ * Disabled protocols are visible in curl_version_info() and are not included
+ * in this table.
+ */
+
+#include "curl_setup.h"
+#include "multihandle.h" /* for ENABLE_WAKEUP */
+#include <stdio.h>
+
+static const char *disabled[]={
+#ifdef CURL_DISABLE_COOKIES
+  "cookies",
+#endif
+#ifdef CURL_DISABLE_CRYPTO_AUTH
+  "crypto",
+#endif
+#ifdef CURL_DISABLE_DOH
+  "DoH",
+#endif
+#ifdef CURL_DISABLE_HTTP_AUTH
+  "HTTP-auth",
+#endif
+#ifdef CURL_DISABLE_MIME
+  "Mime",
+#endif
+#ifdef CURL_DISABLE_NETRC
+  "netrc",
+#endif
+#ifdef CURL_DISABLE_PARSEDATE
+  "parsedate",
+#endif
+#ifdef CURL_DISABLE_PROXY
+  "proxy",
+#endif
+#ifdef CURL_DISABLE_SHUFFLE_DNS
+  "shuffle-dns",
+#endif
+#ifdef CURL_DISABLE_TYPECHECK
+  "typecheck",
+#endif
+#ifdef CURL_DISABLE_VERBOSE_STRINGS
+  "verbose-strings",
+#endif
+#ifndef ENABLE_WAKEUP
+  "wakeup",
+#endif
+  NULL
+};
+
+int main(void)
+{
+  int i;
+  for(i = 0; disabled[i]; i++)
+    printf("%s\n", disabled[i]);
+
+  return 0;
+}

curl/tests/server/fake_ntlm.c

@@ -0,0 +1,278 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2010, Mandy Wu, <[email protected]>
+ * Copyright (C) 2011 - 2020, 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.
+ *
+ ***************************************************************************/
+#include "server_setup.h"
+
+/*
+ * This is a fake ntlm_auth, which is used for testing NTLM single-sign-on.
+ * When DEBUGBUILD is defined, libcurl invoke this tool instead of real winbind
+ * daemon helper /usr/bin/ntlm_auth. This tool will accept commands and
+ * responses with a pre-written string saved in test case test2005.
+ */
+
+#define ENABLE_CURLX_PRINTF
+#include "curlx.h" /* from the private lib dir */
+#include "getpart.h"
+#include "util.h"
+
+/* include memdebug.h last */
+#include "memdebug.h"
+
+#define LOGFILE "log/fake_ntlm%ld.log"
+
+const char *serverlogfile;
+
+/*
+ * Returns an allocated buffer with printable representation of input
+ * buffer contents or returns NULL on out of memory condition.
+ */
+static char *printable(char *inbuf, size_t inlength)
+{
+  char *outbuf;
+  char *newbuf;
+  size_t newsize;
+  size_t outsize;
+  size_t outincr = 0;
+  size_t i, o = 0;
+
+#define HEX_FMT_STR  "[0x%02X]"
+#define HEX_STR_LEN  6
+#define NOTHING_STR  "[NOTHING]"
+#define NOTHING_LEN  9
+
+  if(!inlength)
+    inlength = strlen(inbuf);
+
+  if(inlength) {
+    outincr = ((inlength/2) < (HEX_STR_LEN + 1)) ?
+      HEX_STR_LEN + 1 : inlength/2;
+    outsize = inlength + outincr;
+  }
+  else
+    outsize = NOTHING_LEN + 1;
+
+  outbuf = malloc(outsize);
+  if(!outbuf)
+    return NULL;
+
+  if(!inlength) {
+    msnprintf(&outbuf[0], outsize, "%s", NOTHING_STR);
+    return outbuf;
+  }
+
+  for(i = 0; i<inlength; i++) {
+
+    if(o > outsize - (HEX_STR_LEN + 1)) {
+      newsize = outsize + outincr;
+      newbuf = realloc(outbuf, newsize);
+      if(!newbuf) {
+        free(outbuf);
+        return NULL;
+      }
+      outbuf = newbuf;
+      outsize = newsize;
+    }
+
+    if((inbuf[i] > 0x20) && (inbuf[i] < 0x7F)) {
+      outbuf[o] = inbuf[i];
+      o++;
+    }
+    else {
+      msnprintf(&outbuf[o], outsize - o, HEX_FMT_STR, inbuf[i]);
+      o += HEX_STR_LEN;
+    }
+
+  }
+  outbuf[o] = '\0';
+
+  return outbuf;
+}
+
+int main(int argc, char *argv[])
+{
+  char buf[1024];
+  char logfilename[256];
+  FILE *stream;
+  int error;
+  char *type1_input = NULL, *type3_input = NULL;
+  char *type1_output = NULL, *type3_output = NULL;
+  size_t size = 0;
+  long testnum;
+  const char *env;
+  int arg = 1;
+  const char *helper_user = "unknown";
+  const char *helper_proto = "unknown";
+  const char *helper_domain = "unknown";
+  bool use_cached_creds = FALSE;
+  char *msgbuf;
+
+  buf[0] = '\0';
+
+  while(argc > arg) {
+    if(!strcmp("--use-cached-creds", argv[arg])) {
+      use_cached_creds = TRUE;
+      arg++;
+    }
+    else if(!strcmp("--helper-protocol", argv[arg])) {
+      arg++;
+      if(argc > arg)
+        helper_proto = argv[arg++];
+    }
+    else if(!strcmp("--username", argv[arg])) {
+      arg++;
+      if(argc > arg)
+        helper_user = argv[arg++];
+    }
+    else if(!strcmp("--domain", argv[arg])) {
+      arg++;
+      if(argc > arg)
+        helper_domain = argv[arg++];
+    }
+    else {
+      puts("Usage: fake_ntlm [option]\n"
+           " --use-cached-creds\n"
+           " --helper-protocol [protocol]\n"
+           " --username [username]\n"
+           " --domain [domain]");
+      exit(1);
+    }
+  }
+
+  env = getenv("CURL_NTLM_AUTH_TESTNUM");
+  if(env) {
+    char *endptr;
+    long lnum = strtol(env, &endptr, 10);
+    if((endptr != env + strlen(env)) || (lnum < 1L)) {
+      fprintf(stderr, "Test number not valid in CURL_NTLM_AUTH_TESTNUM");
+      exit(1);
+    }
+    testnum = lnum;
+  }
+  else {
+    fprintf(stderr, "Test number not specified in CURL_NTLM_AUTH_TESTNUM");
+    exit(1);
+  }
+
+  /* logmsg cannot be used until this file name is set */
+  msnprintf(logfilename, sizeof(logfilename), LOGFILE, testnum);
+  serverlogfile = logfilename;
+
+  logmsg("fake_ntlm (user: %s) (proto: %s) (domain: %s) (cached creds: %s)",
+         helper_user, helper_proto, helper_domain,
+         (use_cached_creds) ? "yes" : "no");
+
+  env = getenv("CURL_NTLM_AUTH_SRCDIR");
+  if(env) {
+    path = env;
+  }
+
+  stream = test2fopen(testnum);
+  if(!stream) {
+    error = errno;
+    logmsg("fopen() failed with error: %d %s", error, strerror(error));
+    logmsg("Couldn't open test file %ld", testnum);
+    exit(1);
+  }
+  else {
+    /* get the ntlm_auth input/output */
+    error = getpart(&type1_input, &size, "ntlm_auth_type1", "input", stream);
+    fclose(stream);
+    if(error || size == 0) {
+      logmsg("getpart() type 1 input failed with error: %d", error);
+      exit(1);
+    }
+  }
+
+  stream = test2fopen(testnum);
+  if(!stream) {
+    error = errno;
+    logmsg("fopen() failed with error: %d %s", error, strerror(error));
+    logmsg("Couldn't open test file %ld", testnum);
+  }
+  else {
+    size = 0;
+    error = getpart(&type3_input, &size, "ntlm_auth_type3", "input", stream);
+    fclose(stream);
+    if(error || size == 0) {
+      logmsg("getpart() type 3 input failed with error: %d", error);
+      exit(1);
+    }
+  }
+
+  while(fgets(buf, sizeof(buf), stdin)) {
+    if(strcmp(buf, type1_input) == 0) {
+      stream = test2fopen(testnum);
+      if(!stream) {
+        error = errno;
+        logmsg("fopen() failed with error: %d %s", error, strerror(error));
+        logmsg("Couldn't open test file %ld", testnum);
+        exit(1);
+      }
+      else {
+        size = 0;
+        error = getpart(&type1_output, &size, "ntlm_auth_type1", "output",
+                        stream);
+        fclose(stream);
+        if(error || size == 0) {
+          logmsg("getpart() type 1 output failed with error: %d", error);
+          exit(1);
+        }
+      }
+      printf("%s", type1_output);
+      fflush(stdout);
+    }
+    else if(strncmp(buf, type3_input, strlen(type3_input)) == 0) {
+      stream = test2fopen(testnum);
+      if(!stream) {
+        error = errno;
+        logmsg("fopen() failed with error: %d %s", error, strerror(error));
+        logmsg("Couldn't open test file %ld", testnum);
+        exit(1);
+      }
+      else {
+        size = 0;
+        error = getpart(&type3_output, &size, "ntlm_auth_type3", "output",
+                        stream);
+        fclose(stream);
+        if(error || size == 0) {
+          logmsg("getpart() type 3 output failed with error: %d", error);
+          exit(1);
+        }
+      }
+      printf("%s", type3_output);
+      fflush(stdout);
+    }
+    else {
+      printf("Unknown request\n");
+      msgbuf = printable(buf, 0);
+      if(msgbuf) {
+        logmsg("invalid input: '%s'\n", msgbuf);
+        free(msgbuf);
+      }
+      else
+        logmsg("OOM formatting invalid input: '%s'\n", buf);
+      exit(1);
+    }
+  }
+  logmsg("Exit");
+  return 1;
+}

curl/tests/server/getpart.c

@@ -0,0 +1,482 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2020, 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.
+ *
+ ***************************************************************************/
+#include "server_setup.h"
+
+#include "getpart.h"
+
+#define ENABLE_CURLX_PRINTF
+/* make the curlx header define all printf() functions to use the curlx_*
+   versions instead */
+#include "curlx.h" /* from the private lib dir */
+
+/* just to please curl_base64.h we create a fake struct */
+struct Curl_easy {
+  int fake;
+};
+
+#include "curl_base64.h"
+#include "curl_memory.h"
+
+/* include memdebug.h last */
+#include "memdebug.h"
+
+#define EAT_SPACE(p) while(*(p) && ISSPACE(*(p))) (p)++
+
+#define EAT_WORD(p)  while(*(p) && !ISSPACE(*(p)) && ('>' != *(p))) (p)++
+
+#ifdef DEBUG_GETPART
+#define show(x) printf x
+#else
+#define show(x) Curl_nop_stmt
+#endif
+
+#if defined(_MSC_VER) && defined(_DLL)
+#  pragma warning(disable:4232) /* MSVC extension, dllimport identity */
+#endif
+
+curl_malloc_callback Curl_cmalloc = (curl_malloc_callback)malloc;
+curl_free_callback Curl_cfree = (curl_free_callback)free;
+curl_realloc_callback Curl_crealloc = (curl_realloc_callback)realloc;
+curl_strdup_callback Curl_cstrdup = (curl_strdup_callback)strdup;
+curl_calloc_callback Curl_ccalloc = (curl_calloc_callback)calloc;
+#if defined(WIN32) && defined(UNICODE)
+curl_wcsdup_callback Curl_cwcsdup = (curl_wcsdup_callback)_wcsdup;
+#endif
+
+#if defined(_MSC_VER) && defined(_DLL)
+#  pragma warning(default:4232) /* MSVC extension, dllimport identity */
+#endif
+
+
+/*
+ * Curl_convert_clone() returns a malloced copy of the source string (if
+ * returning CURLE_OK), with the data converted to network format. This
+ * function is used by base64 code in libcurl built to support data
+ * conversion. This is a DUMMY VERSION that returns data unmodified - for
+ * use by the test server only.
+ */
+CURLcode Curl_convert_clone(struct Curl_easy *data,
+                            const char *indata,
+                            size_t insize,
+                            char **outbuf);
+CURLcode Curl_convert_clone(struct Curl_easy *data,
+                            const char *indata,
+                            size_t insize,
+                            char **outbuf)
+{
+  char *convbuf;
+  (void)data;
+
+  convbuf = malloc(insize);
+  if(!convbuf)
+    return CURLE_OUT_OF_MEMORY;
+
+  memcpy(convbuf, indata, insize);
+  *outbuf = convbuf;
+  return CURLE_OK;
+}
+
+/*
+ * readline()
+ *
+ * Reads a complete line from a file into a dynamically allocated buffer.
+ *
+ * Calling function may call this multiple times with same 'buffer'
+ * and 'bufsize' pointers to avoid multiple buffer allocations. Buffer
+ * will be reallocated and 'bufsize' increased until whole line fits in
+ * buffer before returning it.
+ *
+ * Calling function is responsible to free allocated buffer.
+ *
+ * This function may return:
+ *   GPE_OUT_OF_MEMORY
+ *   GPE_END_OF_FILE
+ *   GPE_OK
+ */
+
+static int readline(char **buffer, size_t *bufsize, FILE *stream)
+{
+  size_t offset = 0;
+  char *newptr;
+
+  if(!*buffer) {
+    *buffer = malloc(128);
+    if(!*buffer)
+      return GPE_OUT_OF_MEMORY;
+    *bufsize = 128;
+  }
+
+  for(;;) {
+    size_t length;
+    int bytestoread = curlx_uztosi(*bufsize - offset);
+
+    if(!fgets(*buffer + offset, bytestoread, stream))
+      return (offset != 0) ? GPE_OK : GPE_END_OF_FILE;
+
+    length = offset + strlen(*buffer + offset);
+    if(*(*buffer + length - 1) == '\n')
+      break;
+    offset = length;
+    if(length < *bufsize - 1)
+      continue;
+
+    newptr = realloc(*buffer, *bufsize * 2);
+    if(!newptr)
+      return GPE_OUT_OF_MEMORY;
+    *buffer = newptr;
+    *bufsize *= 2;
+  }
+
+  return GPE_OK;
+}
+
+/*
+ * appenddata()
+ *
+ * This appends data from a given source buffer to the end of the used part of
+ * a destination buffer. Arguments relative to the destination buffer are, the
+ * address of a pointer to the destination buffer 'dst_buf', the length of data
+ * in destination buffer excluding potential null string termination 'dst_len',
+ * the allocated size of destination buffer 'dst_alloc'. All three destination
+ * buffer arguments may be modified by this function. Arguments relative to the
+ * source buffer are, a pointer to the source buffer 'src_buf' and indication
+ * whether the source buffer is base64 encoded or not 'src_b64'.
+ *
+ * If the source buffer is indicated to be base64 encoded, this appends the
+ * decoded data, binary or whatever, to the destination. The source buffer
+ * may not hold binary data, only a null terminated string is valid content.
+ *
+ * Destination buffer will be enlarged and relocated as needed.
+ *
+ * Calling function is responsible to provide preallocated destination
+ * buffer and also to deallocate it when no longer needed.
+ *
+ * This function may return:
+ *   GPE_OUT_OF_MEMORY
+ *   GPE_OK
+ */
+
+static int appenddata(char  **dst_buf,   /* dest buffer */
+                      size_t *dst_len,   /* dest buffer data length */
+                      size_t *dst_alloc, /* dest buffer allocated size */
+                      char   *src_buf,   /* source buffer */
+                      int     src_b64)   /* != 0 if source is base64 encoded */
+{
+  size_t need_alloc = 0;
+  size_t src_len = strlen(src_buf);
+
+  if(!src_len)
+    return GPE_OK;
+
+  need_alloc = src_len + *dst_len + 1;
+
+  if(src_b64) {
+    if(src_buf[src_len - 1] == '\r')
+      src_len--;
+
+    if(src_buf[src_len - 1] == '\n')
+      src_len--;
+  }
+
+  /* enlarge destination buffer if required */
+  if(need_alloc > *dst_alloc) {
+    size_t newsize = need_alloc * 2;
+    char *newptr = realloc(*dst_buf, newsize);
+    if(!newptr) {
+      return GPE_OUT_OF_MEMORY;
+    }
+    *dst_alloc = newsize;
+    *dst_buf = newptr;
+  }
+
+  /* memcpy to support binary blobs */
+  memcpy(*dst_buf + *dst_len, src_buf, src_len);
+  *dst_len += src_len;
+  *(*dst_buf + *dst_len) = '\0';
+
+  return GPE_OK;
+}
+
+static int decodedata(char  **buf,   /* dest buffer */
+                      size_t *len)   /* dest buffer data length */
+{
+  CURLcode error = CURLE_OK;
+  unsigned char *buf64 = NULL;
+  size_t src_len = 0;
+
+  if(!*len)
+    return GPE_OK;
+
+  /* base64 decode the given buffer */
+  error = Curl_base64_decode(*buf, &buf64, &src_len);
+  if(error)
+    return GPE_OUT_OF_MEMORY;
+
+  if(!src_len) {
+    /*
+    ** currently there is no way to tell apart an OOM condition in
+    ** Curl_base64_decode() from zero length decoded data. For now,
+    ** let's just assume it is an OOM condition, currently we have
+    ** no input for this function that decodes to zero length data.
+    */
+    free(buf64);
+
+    return GPE_OUT_OF_MEMORY;
+  }
+
+  /* memcpy to support binary blobs */
+  memcpy(*buf, buf64, src_len);
+  *len = src_len;
+  *(*buf + src_len) = '\0';
+
+  free(buf64);
+
+  return GPE_OK;
+}
+
+/*
+ * getpart()
+ *
+ * This returns whole contents of specified XML-like section and subsection
+ * from the given file. This is mostly used to retrieve a specific part from
+ * a test definition file for consumption by test suite servers.
+ *
+ * Data is returned in a dynamically allocated buffer, a pointer to this data
+ * and the size of the data is stored at the addresses that caller specifies.
+ *
+ * If the returned data is a string the returned size will be the length of
+ * the string excluding null termination. Otherwise it will just be the size
+ * of the returned binary data.
+ *
+ * Calling function is responsible to free returned buffer.
+ *
+ * This function may return:
+ *   GPE_NO_BUFFER_SPACE
+ *   GPE_OUT_OF_MEMORY
+ *   GPE_OK
+ */
+
+int getpart(char **outbuf, size_t *outlen,
+            const char *main, const char *sub, FILE *stream)
+{
+# define MAX_TAG_LEN 79
+  char couter[MAX_TAG_LEN + 1]; /* current outermost section */
+  char cmain[MAX_TAG_LEN + 1];  /* current main section */
+  char csub[MAX_TAG_LEN + 1];   /* current sub section */
+  char ptag[MAX_TAG_LEN + 1];   /* potential tag */
+  char patt[MAX_TAG_LEN + 1];   /* potential attributes */
+  char *buffer = NULL;
+  char *ptr;
+  char *end;
+  union {
+    ssize_t sig;
+     size_t uns;
+  } len;
+  size_t bufsize = 0;
+  size_t outalloc = 256;
+  int in_wanted_part = 0;
+  int base64 = 0;
+  int error;
+
+  enum {
+    STATE_OUTSIDE = 0,
+    STATE_OUTER   = 1,
+    STATE_INMAIN  = 2,
+    STATE_INSUB   = 3,
+    STATE_ILLEGAL = 4
+  } state = STATE_OUTSIDE;
+
+  *outlen = 0;
+  *outbuf = malloc(outalloc);
+  if(!*outbuf)
+    return GPE_OUT_OF_MEMORY;
+  *(*outbuf) = '\0';
+
+  couter[0] = cmain[0] = csub[0] = ptag[0] = patt[0] = '\0';
+
+  while((error = readline(&buffer, &bufsize, stream)) == GPE_OK) {
+
+    ptr = buffer;
+    EAT_SPACE(ptr);
+
+    if('<' != *ptr) {
+      if(in_wanted_part) {
+        show(("=> %s", buffer));
+        error = appenddata(outbuf, outlen, &outalloc, buffer, base64);
+        if(error)
+          break;
+      }
+      continue;
+    }
+
+    ptr++;
+
+    if('/' == *ptr) {
+      /*
+      ** closing section tag
+      */
+
+      ptr++;
+      end = ptr;
+      EAT_WORD(end);
+      len.sig = end - ptr;
+      if(len.sig > MAX_TAG_LEN) {
+        error = GPE_NO_BUFFER_SPACE;
+        break;
+      }
+      memcpy(ptag, ptr, len.uns);
+      ptag[len.uns] = '\0';
+
+      if((STATE_INSUB == state) && !strcmp(csub, ptag)) {
+        /* end of current sub section */
+        state = STATE_INMAIN;
+        csub[0] = '\0';
+        if(in_wanted_part) {
+          /* end of wanted part */
+          in_wanted_part = 0;
+
+          /* Do we need to base64 decode the data? */
+          if(base64) {
+            error = decodedata(outbuf, outlen);
+            if(error)
+              return error;
+          }
+          break;
+        }
+      }
+      else if((STATE_INMAIN == state) && !strcmp(cmain, ptag)) {
+        /* end of current main section */
+        state = STATE_OUTER;
+        cmain[0] = '\0';
+        if(in_wanted_part) {
+          /* end of wanted part */
+          in_wanted_part = 0;
+
+          /* Do we need to base64 decode the data? */
+          if(base64) {
+            error = decodedata(outbuf, outlen);
+            if(error)
+              return error;
+          }
+          break;
+        }
+      }
+      else if((STATE_OUTER == state) && !strcmp(couter, ptag)) {
+        /* end of outermost file section */
+        state = STATE_OUTSIDE;
+        couter[0] = '\0';
+        if(in_wanted_part) {
+          /* end of wanted part */
+          in_wanted_part = 0;
+          break;
+        }
+      }
+
+    }
+    else if(!in_wanted_part) {
+      /*
+      ** opening section tag
+      */
+
+      /* get potential tag */
+      end = ptr;
+      EAT_WORD(end);
+      len.sig = end - ptr;
+      if(len.sig > MAX_TAG_LEN) {
+        error = GPE_NO_BUFFER_SPACE;
+        break;
+      }
+      memcpy(ptag, ptr, len.uns);
+      ptag[len.uns] = '\0';
+
+      /* ignore comments, doctypes and xml declarations */
+      if(('!' == ptag[0]) || ('?' == ptag[0])) {
+        show(("* ignoring (%s)", buffer));
+        continue;
+      }
+
+      /* get all potential attributes */
+      ptr = end;
+      EAT_SPACE(ptr);
+      end = ptr;
+      while(*end && ('>' != *end))
+        end++;
+      len.sig = end - ptr;
+      if(len.sig > MAX_TAG_LEN) {
+        error = GPE_NO_BUFFER_SPACE;
+        break;
+      }
+      memcpy(patt, ptr, len.uns);
+      patt[len.uns] = '\0';
+
+      if(STATE_OUTSIDE == state) {
+        /* outermost element (<testcase>) */
+        strcpy(couter, ptag);
+        state = STATE_OUTER;
+        continue;
+      }
+      else if(STATE_OUTER == state) {
+        /* start of a main section */
+        strcpy(cmain, ptag);
+        state = STATE_INMAIN;
+        continue;
+      }
+      else if(STATE_INMAIN == state) {
+        /* start of a sub section */
+        strcpy(csub, ptag);
+        state = STATE_INSUB;
+        if(!strcmp(cmain, main) && !strcmp(csub, sub)) {
+          /* start of wanted part */
+          in_wanted_part = 1;
+          if(strstr(patt, "base64="))
+              /* bit rough test, but "mostly" functional, */
+              /* treat wanted part data as base64 encoded */
+              base64 = 1;
+        }
+        continue;
+      }
+
+    }
+
+    if(in_wanted_part) {
+      show(("=> %s", buffer));
+      error = appenddata(outbuf, outlen, &outalloc, buffer, base64);
+      if(error)
+        break;
+    }
+
+  } /* while */
+
+  free(buffer);
+
+  if(error != GPE_OK) {
+    if(error == GPE_END_OF_FILE)
+      error = GPE_OK;
+    else {
+      free(*outbuf);
+      *outbuf = NULL;
+      *outlen = 0;
+    }
+  }
+
+  return error;
+}

curl/tests/server/getpart.h

@@ -0,0 +1,34 @@
+#ifndef HEADER_CURL_SERVER_GETPART_H
+#define HEADER_CURL_SERVER_GETPART_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2020, 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.
+ *
+ ***************************************************************************/
+#include "server_setup.h"
+
+#define GPE_NO_BUFFER_SPACE -2
+#define GPE_OUT_OF_MEMORY   -1
+#define GPE_OK               0
+#define GPE_END_OF_FILE      1
+
+int getpart(char **outbuf, size_t *outlen,
+            const char *main, const char *sub, FILE *stream);
+
+#endif /* HEADER_CURL_SERVER_GETPART_H */

curl/tests/server/resolve.c

@@ -0,0 +1,156 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2020, 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.
+ *
+ ***************************************************************************/
+#include "server_setup.h"
+
+/* Purpose
+ *
+ * Resolve the given name, using system name resolve functions (NOT any
+ * function provided by libcurl). Used to see if the name exists and thus if
+ * we can allow a test case to use it for testing.
+ *
+ * Like if 'localhost' actual exists etc.
+ *
+ */
+
+#ifdef HAVE_SIGNAL_H
+#include <signal.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef _XOPEN_SOURCE_EXTENDED
+/* This define is "almost" required to build on HPUX 11 */
+#include <arpa/inet.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+
+#define ENABLE_CURLX_PRINTF
+/* make the curlx header define all printf() functions to use the curlx_*
+   versions instead */
+#include "curlx.h" /* from the private lib dir */
+#include "util.h"
+
+/* include memdebug.h last */
+#include "memdebug.h"
+
+static bool use_ipv6 = FALSE;
+static const char *ipv_inuse = "IPv4";
+
+const char *serverlogfile = ""; /* for a util.c function we don't use */
+
+int main(int argc, char *argv[])
+{
+  int arg = 1;
+  const char *host = NULL;
+  int rc = 0;
+
+  while(argc>arg) {
+    if(!strcmp("--version", argv[arg])) {
+      printf("resolve IPv4%s\n",
+#if defined(CURLRES_IPV6)
+             "/IPv6"
+#else
+             ""
+#endif
+             );
+      return 0;
+    }
+    else if(!strcmp("--ipv6", argv[arg])) {
+      ipv_inuse = "IPv6";
+      use_ipv6 = TRUE;
+      arg++;
+    }
+    else if(!strcmp("--ipv4", argv[arg])) {
+      /* for completeness, we support this option as well */
+      ipv_inuse = "IPv4";
+      use_ipv6 = FALSE;
+      arg++;
+    }
+    else {
+      host = argv[arg++];
+    }
+  }
+  if(!host) {
+    puts("Usage: resolve [option] <host>\n"
+         " --version\n"
+         " --ipv4"
+#if defined(CURLRES_IPV6)
+         "\n --ipv6"
+#endif
+         );
+    return 1;
+  }
+
+#ifdef WIN32
+  win32_init();
+  atexit(win32_cleanup);
+#endif
+
+#if defined(CURLRES_IPV6)
+  if(use_ipv6) {
+    /* Check that the system has IPv6 enabled before checking the resolver */
+    curl_socket_t s = socket(PF_INET6, SOCK_DGRAM, 0);
+    if(s == CURL_SOCKET_BAD)
+      /* an IPv6 address was requested and we can't get/use one */
+      rc = -1;
+    else {
+      sclose(s);
+    }
+  }
+
+  if(rc == 0) {
+    /* getaddrinfo() resolve */
+    struct addrinfo *ai;
+    struct addrinfo hints;
+
+    memset(&hints, 0, sizeof(hints));
+    hints.ai_family = use_ipv6 ? PF_INET6 : PF_INET;
+    hints.ai_socktype = SOCK_STREAM;
+    hints.ai_flags = 0;
+    /* Use parenthesis around functions to stop them from being replaced by
+       the macro in memdebug.h */
+    rc = (getaddrinfo)(host, "80", &hints, &ai);
+    if(rc == 0)
+      (freeaddrinfo)(ai);
+  }
+#else
+  if(use_ipv6) {
+    puts("IPv6 support has been disabled in this program");
+    return 1;
+  }
+  else {
+    /* gethostbyname() resolve */
+    struct hostent *he;
+
+    he = gethostbyname(host);
+
+    rc = !he;
+  }
+#endif
+
+  if(rc)
+    printf("Resolving %s '%s' didn't work\n", ipv_inuse, host);
+
+  return !!rc;
+}

curl/tests/server/server_setup.h

@@ -0,0 +1,29 @@
+#ifndef HEADER_CURL_SERVER_SETUP_H
+#define HEADER_CURL_SERVER_SETUP_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2020, 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.
+ *
+ ***************************************************************************/
+
+#define CURL_NO_OLDIES
+
+#include "curl_setup.h" /* portability help from the lib directory */
+
+#endif /* HEADER_CURL_SERVER_SETUP_H */

curl/tests/server/server_sockaddr.h

@@ -0,0 +1,41 @@
+#ifndef HEADER_CURL_SERVER_SOCKADDR_H
+#define HEADER_CURL_SERVER_SOCKADDR_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2020, 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.
+ *
+ ***************************************************************************/
+#include "server_setup.h"
+
+#ifdef HAVE_SYS_UN_H
+#include <sys/un.h> /* for sockaddr_un */
+#endif
+
+typedef union {
+  struct sockaddr      sa;
+  struct sockaddr_in   sa4;
+#ifdef ENABLE_IPV6
+  struct sockaddr_in6  sa6;
+#endif
+#ifdef USE_UNIX_SOCKETS
+  struct sockaddr_un   sau;
+#endif
+} srvr_sockaddr_union_t;
+
+#endif /* HEADER_CURL_SERVER_SOCKADDR_H */

curl/tests/server/testpart.c

@@ -0,0 +1,49 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2020, 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.
+ *
+ ***************************************************************************/
+#include "server_setup.h"
+
+#include "getpart.h"
+
+#include "curl_printf.h"
+
+/* include memdebug.h last */
+#include "memdebug.h"
+
+int main(int argc, char **argv)
+{
+  char  *part;
+  size_t partlen;
+
+  if(argc< 3) {
+    printf("./testpart main sub\n");
+  }
+  else {
+    int rc = getpart(&part, &partlen, argv[1], argv[2], stdin);
+    size_t i;
+    if(rc)
+      return rc;
+    for(i = 0; i < partlen; i++)
+      printf("%c", part[i]);
+    free(part);
+  }
+  return 0;
+}

curl/tests/server/tftp.h

@@ -0,0 +1,61 @@
+#ifndef HEADER_CURL_SERVER_TFTP_H
+#define HEADER_CURL_SERVER_TFTP_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2020, 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.
+ *
+ ***************************************************************************/
+#include "server_setup.h"
+
+/* This file is a rewrite/clone of the arpa/tftp.h file for systems without
+   it. */
+
+#define SEGSIZE 512 /* data segment size */
+
+#if defined(__GNUC__) && ((__GNUC__ >= 3) || \
+  ((__GNUC__ == 2) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ >= 7)))
+#  define PACKED_STRUCT __attribute__((__packed__))
+#else
+#  define PACKED_STRUCT /*NOTHING*/
+#endif
+
+/* Using a packed struct as binary in a program is begging for problems, but
+   the tftpd server was written like this so we have this struct here to make
+   things build. */
+
+struct tftphdr {
+  short th_opcode;         /* packet type */
+  unsigned short th_block; /* all sorts of things */
+  char th_data[1];         /* data or error string */
+} PACKED_STRUCT;
+
+#define th_stuff th_block
+#define th_code  th_block
+#define th_msg   th_data
+
+#define EUNDEF    0
+#define ENOTFOUND 1
+#define EACCESS   2
+#define ENOSPACE  3
+#define EBADOP    4
+#define EBADID    5
+#define EEXISTS   6
+#define ENOUSER   7
+
+#endif /* HEADER_CURL_SERVER_TFTP_H */

curl/tests/server/util.c

@@ -0,0 +1,838 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2020, 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.
+ *
+ ***************************************************************************/
+#include "server_setup.h"
+
+#ifdef HAVE_SIGNAL_H
+#include <signal.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef _XOPEN_SOURCE_EXTENDED
+/* This define is "almost" required to build on HPUX 11 */
+#include <arpa/inet.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef HAVE_POLL_H
+#include <poll.h>
+#elif defined(HAVE_SYS_POLL_H)
+#include <sys/poll.h>
+#endif
+#ifdef __MINGW32__
+#include <w32api.h>
+#endif
+
+#define ENABLE_CURLX_PRINTF
+/* make the curlx header define all printf() functions to use the curlx_*
+   versions instead */
+#include "curlx.h" /* from the private lib dir */
+#include "getpart.h"
+#include "util.h"
+#include "timeval.h"
+
+#ifdef USE_WINSOCK
+#undef  EINTR
+#define EINTR    4 /* errno.h value */
+#undef  EINVAL
+#define EINVAL  22 /* errno.h value */
+#endif
+
+/* MinGW with w32api version < 3.6 declared in6addr_any as extern,
+   but lacked the definition */
+#if defined(ENABLE_IPV6) && defined(__MINGW32__)
+#if (__W32API_MAJOR_VERSION < 3) || \
+    ((__W32API_MAJOR_VERSION == 3) && (__W32API_MINOR_VERSION < 6))
+const struct in6_addr in6addr_any = {{ IN6ADDR_ANY_INIT }};
+#endif /* w32api < 3.6 */
+#endif /* ENABLE_IPV6 && __MINGW32__*/
+
+static struct timeval tvnow(void);
+
+/* This function returns a pointer to STATIC memory. It converts the given
+ * binary lump to a hex formatted string usable for output in logs or
+ * whatever.
+ */
+char *data_to_hex(char *data, size_t len)
+{
+  static char buf[256*3];
+  size_t i;
+  char *optr = buf;
+  char *iptr = data;
+
+  if(len > 255)
+    len = 255;
+
+  for(i = 0; i < len; i++) {
+    if((data[i] >= 0x20) && (data[i] < 0x7f))
+      *optr++ = *iptr++;
+    else {
+      msnprintf(optr, 4, "%%%02x", *iptr++);
+      optr += 3;
+    }
+  }
+  *optr = 0; /* in case no sprintf was used */
+
+  return buf;
+}
+
+void logmsg(const char *msg, ...)
+{
+  va_list ap;
+  char buffer[2048 + 1];
+  FILE *logfp;
+  struct timeval tv;
+  time_t sec;
+  struct tm *now;
+  char timebuf[20];
+  static time_t epoch_offset;
+  static int    known_offset;
+
+  if(!serverlogfile) {
+    fprintf(stderr, "Error: serverlogfile not set\n");
+    return;
+  }
+
+  tv = tvnow();
+  if(!known_offset) {
+    epoch_offset = time(NULL) - tv.tv_sec;
+    known_offset = 1;
+  }
+  sec = epoch_offset + tv.tv_sec;
+  /* !checksrc! disable BANNEDFUNC 1 */
+  now = localtime(&sec); /* not thread safe but we don't care */
+
+  msnprintf(timebuf, sizeof(timebuf), "%02d:%02d:%02d.%06ld",
+            (int)now->tm_hour, (int)now->tm_min, (int)now->tm_sec,
+            (long)tv.tv_usec);
+
+  va_start(ap, msg);
+  mvsnprintf(buffer, sizeof(buffer), msg, ap);
+  va_end(ap);
+
+  logfp = fopen(serverlogfile, "ab");
+  if(logfp) {
+    fprintf(logfp, "%s %s\n", timebuf, buffer);
+    fclose(logfp);
+  }
+  else {
+    int error = errno;
+    fprintf(stderr, "fopen() failed with error: %d %s\n",
+            error, strerror(error));
+    fprintf(stderr, "Error opening file: %s\n", serverlogfile);
+    fprintf(stderr, "Msg not logged: %s %s\n", timebuf, buffer);
+  }
+}
+
+#ifdef WIN32
+/* use instead of perror() on generic windows */
+void win32_perror(const char *msg)
+{
+  char buf[512];
+  DWORD err = SOCKERRNO;
+
+  if(!FormatMessageA((FORMAT_MESSAGE_FROM_SYSTEM |
+                      FORMAT_MESSAGE_IGNORE_INSERTS), NULL, err,
+                     LANG_NEUTRAL, buf, sizeof(buf), NULL))
+    msnprintf(buf, sizeof(buf), "Unknown error %lu (%#lx)", err, err);
+  if(msg)
+    fprintf(stderr, "%s: ", msg);
+  fprintf(stderr, "%s\n", buf);
+}
+#endif  /* WIN32 */
+
+#ifdef USE_WINSOCK
+void win32_init(void)
+{
+  WORD wVersionRequested;
+  WSADATA wsaData;
+  int err;
+
+  wVersionRequested = MAKEWORD(2, 2);
+  err = WSAStartup(wVersionRequested, &wsaData);
+
+  if(err != 0) {
+    perror("Winsock init failed");
+    logmsg("Error initialising winsock -- aborting");
+    exit(1);
+  }
+
+  if(LOBYTE(wsaData.wVersion) != LOBYTE(wVersionRequested) ||
+     HIBYTE(wsaData.wVersion) != HIBYTE(wVersionRequested) ) {
+    WSACleanup();
+    perror("Winsock init failed");
+    logmsg("No suitable winsock.dll found -- aborting");
+    exit(1);
+  }
+}
+
+void win32_cleanup(void)
+{
+  WSACleanup();
+}
+#endif  /* USE_WINSOCK */
+
+/* set by the main code to point to where the test dir is */
+const char *path = ".";
+
+FILE *test2fopen(long testno)
+{
+  FILE *stream;
+  char filename[256];
+  /* first try the alternative, preprocessed, file */
+  msnprintf(filename, sizeof(filename), ALTTEST_DATA_PATH, ".", testno);
+  stream = fopen(filename, "rb");
+  if(stream)
+    return stream;
+
+  /* then try the source version */
+  msnprintf(filename, sizeof(filename), TEST_DATA_PATH, path, testno);
+  stream = fopen(filename, "rb");
+
+  return stream;
+}
+
+/*
+ * Portable function used for waiting a specific amount of ms.
+ * Waiting indefinitely with this function is not allowed, a
+ * zero or negative timeout value will return immediately.
+ *
+ * Return values:
+ *   -1 = system call error, or invalid timeout value
+ *    0 = specified timeout has elapsed
+ */
+int wait_ms(int timeout_ms)
+{
+#if !defined(MSDOS) && !defined(USE_WINSOCK)
+#ifndef HAVE_POLL_FINE
+  struct timeval pending_tv;
+#endif
+  struct timeval initial_tv;
+  int pending_ms;
+#endif
+  int r = 0;
+
+  if(!timeout_ms)
+    return 0;
+  if(timeout_ms < 0) {
+    errno = EINVAL;
+    return -1;
+  }
+#if defined(MSDOS)
+  delay(timeout_ms);
+#elif defined(USE_WINSOCK)
+  Sleep(timeout_ms);
+#else
+  pending_ms = timeout_ms;
+  initial_tv = tvnow();
+  do {
+    int error;
+#if defined(HAVE_POLL_FINE)
+    r = poll(NULL, 0, pending_ms);
+#else
+    pending_tv.tv_sec = pending_ms / 1000;
+    pending_tv.tv_usec = (pending_ms % 1000) * 1000;
+    r = select(0, NULL, NULL, NULL, &pending_tv);
+#endif /* HAVE_POLL_FINE */
+    if(r != -1)
+      break;
+    error = errno;
+    if(error && (error != EINTR))
+      break;
+    pending_ms = timeout_ms - (int)timediff(tvnow(), initial_tv);
+    if(pending_ms <= 0)
+      break;
+  } while(r == -1);
+#endif /* USE_WINSOCK */
+  if(r)
+    r = -1;
+  return r;
+}
+
+int write_pidfile(const char *filename)
+{
+  FILE *pidfile;
+  curl_off_t pid;
+
+  pid = (curl_off_t)getpid();
+  pidfile = fopen(filename, "wb");
+  if(!pidfile) {
+    logmsg("Couldn't write pid file: %s %s", filename, strerror(errno));
+    return 0; /* fail */
+  }
+#if defined(WIN32) || defined(_WIN32)
+  /* store pid + 65536 to avoid conflict with Cygwin/msys PIDs, see also:
+   * - https://cygwin.com/git/?p=newlib-cygwin.git;a=commit; ↵
+   *   h=b5e1003722cb14235c4f166be72c09acdffc62ea
+   * - https://cygwin.com/git/?p=newlib-cygwin.git;a=commit; ↵
+   *   h=448cf5aa4b429d5a9cebf92a0da4ab4b5b6d23fe
+   */
+  pid += 65536;
+#endif
+  fprintf(pidfile, "%" CURL_FORMAT_CURL_OFF_T "\n", pid);
+  fclose(pidfile);
+  logmsg("Wrote pid %" CURL_FORMAT_CURL_OFF_T " to %s", pid, filename);
+  return 1; /* success */
+}
+
+/* store the used port number in a file */
+int write_portfile(const char *filename, int port)
+{
+  FILE *portfile = fopen(filename, "wb");
+  if(!portfile) {
+    logmsg("Couldn't write port file: %s %s", filename, strerror(errno));
+    return 0; /* fail */
+  }
+  fprintf(portfile, "%d\n", port);
+  fclose(portfile);
+  logmsg("Wrote port %d to %s", port, filename);
+  return 1; /* success */
+}
+
+void set_advisor_read_lock(const char *filename)
+{
+  FILE *lockfile;
+  int error = 0;
+  int res;
+
+  do {
+    lockfile = fopen(filename, "wb");
+  } while((lockfile == NULL) && ((error = errno) == EINTR));
+  if(lockfile == NULL) {
+    logmsg("Error creating lock file %s error: %d %s",
+           filename, error, strerror(error));
+    return;
+  }
+
+  do {
+    res = fclose(lockfile);
+  } while(res && ((error = errno) == EINTR));
+  if(res)
+    logmsg("Error closing lock file %s error: %d %s",
+           filename, error, strerror(error));
+}
+
+void clear_advisor_read_lock(const char *filename)
+{
+  int error = 0;
+  int res;
+
+  /*
+  ** Log all removal failures. Even those due to file not existing.
+  ** This allows to detect if unexpectedly the file has already been
+  ** removed by a process different than the one that should do this.
+  */
+
+  do {
+    res = unlink(filename);
+  } while(res && ((error = errno) == EINTR));
+  if(res)
+    logmsg("Error removing lock file %s error: %d %s",
+           filename, error, strerror(error));
+}
+
+
+/* Portable, consistent toupper (remember EBCDIC). Do not use toupper() because
+   its behavior is altered by the current locale. */
+static char raw_toupper(char in)
+{
+#if !defined(CURL_DOES_CONVERSIONS)
+  if(in >= 'a' && in <= 'z')
+    return (char)('A' + in - 'a');
+#else
+  switch(in) {
+  case 'a':
+    return 'A';
+  case 'b':
+    return 'B';
+  case 'c':
+    return 'C';
+  case 'd':
+    return 'D';
+  case 'e':
+    return 'E';
+  case 'f':
+    return 'F';
+  case 'g':
+    return 'G';
+  case 'h':
+    return 'H';
+  case 'i':
+    return 'I';
+  case 'j':
+    return 'J';
+  case 'k':
+    return 'K';
+  case 'l':
+    return 'L';
+  case 'm':
+    return 'M';
+  case 'n':
+    return 'N';
+  case 'o':
+    return 'O';
+  case 'p':
+    return 'P';
+  case 'q':
+    return 'Q';
+  case 'r':
+    return 'R';
+  case 's':
+    return 'S';
+  case 't':
+    return 'T';
+  case 'u':
+    return 'U';
+  case 'v':
+    return 'V';
+  case 'w':
+    return 'W';
+  case 'x':
+    return 'X';
+  case 'y':
+    return 'Y';
+  case 'z':
+    return 'Z';
+  }
+#endif
+
+  return in;
+}
+
+int strncasecompare(const char *first, const char *second, size_t max)
+{
+  while(*first && *second && max) {
+    if(raw_toupper(*first) != raw_toupper(*second)) {
+      break;
+    }
+    max--;
+    first++;
+    second++;
+  }
+  if(0 == max)
+    return 1; /* they are equal this far */
+
+  return raw_toupper(*first) == raw_toupper(*second);
+}
+
+#if defined(WIN32) && !defined(MSDOS)
+
+static struct timeval tvnow(void)
+{
+  /*
+  ** GetTickCount() is available on _all_ Windows versions from W95 up
+  ** to nowadays. Returns milliseconds elapsed since last system boot,
+  ** increases monotonically and wraps once 49.7 days have elapsed.
+  **
+  ** GetTickCount64() is available on Windows version from Windows Vista
+  ** and Windows Server 2008 up to nowadays. The resolution of the
+  ** function is limited to the resolution of the system timer, which
+  ** is typically in the range of 10 milliseconds to 16 milliseconds.
+  */
+  struct timeval now;
+#if defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0600) && \
+    (!defined(__MINGW32__) || defined(__MINGW64_VERSION_MAJOR))
+  ULONGLONG milliseconds = GetTickCount64();
+#else
+  DWORD milliseconds = GetTickCount();
+#endif
+  now.tv_sec = (long)(milliseconds / 1000);
+  now.tv_usec = (long)((milliseconds % 1000) * 1000);
+  return now;
+}
+
+#elif defined(HAVE_CLOCK_GETTIME_MONOTONIC)
+
+static struct timeval tvnow(void)
+{
+  /*
+  ** clock_gettime() is granted to be increased monotonically when the
+  ** monotonic clock is queried. Time starting point is unspecified, it
+  ** could be the system start-up time, the Epoch, or something else,
+  ** in any case the time starting point does not change once that the
+  ** system has started up.
+  */
+  struct timeval now;
+  struct timespec tsnow;
+  if(0 == clock_gettime(CLOCK_MONOTONIC, &tsnow)) {
+    now.tv_sec = tsnow.tv_sec;
+    now.tv_usec = (int)(tsnow.tv_nsec / 1000);
+  }
+  /*
+  ** Even when the configure process has truly detected monotonic clock
+  ** availability, it might happen that it is not actually available at
+  ** run-time. When this occurs simply fallback to other time source.
+  */
+#ifdef HAVE_GETTIMEOFDAY
+  else
+    (void)gettimeofday(&now, NULL);
+#else
+  else {
+    now.tv_sec = (long)time(NULL);
+    now.tv_usec = 0;
+  }
+#endif
+  return now;
+}
+
+#elif defined(HAVE_GETTIMEOFDAY)
+
+static struct timeval tvnow(void)
+{
+  /*
+  ** gettimeofday() is not granted to be increased monotonically, due to
+  ** clock drifting and external source time synchronization it can jump
+  ** forward or backward in time.
+  */
+  struct timeval now;
+  (void)gettimeofday(&now, NULL);
+  return now;
+}
+
+#else
+
+static struct timeval tvnow(void)
+{
+  /*
+  ** time() returns the value of time in seconds since the Epoch.
+  */
+  struct timeval now;
+  now.tv_sec = (long)time(NULL);
+  now.tv_usec = 0;
+  return now;
+}
+
+#endif
+
+long timediff(struct timeval newer, struct timeval older)
+{
+  timediff_t diff = newer.tv_sec-older.tv_sec;
+  if(diff >= (LONG_MAX/1000))
+    return LONG_MAX;
+  else if(diff <= (LONG_MIN/1000))
+    return LONG_MIN;
+  return (long)(newer.tv_sec-older.tv_sec)*1000+
+    (long)(newer.tv_usec-older.tv_usec)/1000;
+}
+
+/* do-nothing macro replacement for systems which lack siginterrupt() */
+
+#ifndef HAVE_SIGINTERRUPT
+#define siginterrupt(x,y) do {} while(0)
+#endif
+
+/* vars used to keep around previous signal handlers */
+
+typedef RETSIGTYPE (*SIGHANDLER_T)(int);
+
+#ifdef SIGHUP
+static SIGHANDLER_T old_sighup_handler  = SIG_ERR;
+#endif
+
+#ifdef SIGPIPE
+static SIGHANDLER_T old_sigpipe_handler = SIG_ERR;
+#endif
+
+#ifdef SIGALRM
+static SIGHANDLER_T old_sigalrm_handler = SIG_ERR;
+#endif
+
+#ifdef SIGINT
+static SIGHANDLER_T old_sigint_handler  = SIG_ERR;
+#endif
+
+#ifdef SIGTERM
+static SIGHANDLER_T old_sigterm_handler = SIG_ERR;
+#endif
+
+#if defined(SIGBREAK) && defined(WIN32)
+static SIGHANDLER_T old_sigbreak_handler = SIG_ERR;
+#endif
+
+#ifdef WIN32
+static DWORD thread_main_id = 0;
+static HANDLE thread_main_window = NULL;
+static HWND hidden_main_window = NULL;
+#endif
+
+/* var which if set indicates that the program should finish execution */
+volatile int got_exit_signal = 0;
+
+/* if next is set indicates the first signal handled in exit_signal_handler */
+volatile int exit_signal = 0;
+
+#ifdef WIN32
+/* event which if set indicates that the program should finish */
+HANDLE exit_event = NULL;
+#endif
+
+/* signal handler that will be triggered to indicate that the program
+ * should finish its execution in a controlled manner as soon as possible.
+ * The first time this is called it will set got_exit_signal to one and
+ * store in exit_signal the signal that triggered its execution.
+ */
+static RETSIGTYPE exit_signal_handler(int signum)
+{
+  int old_errno = errno;
+  logmsg("exit_signal_handler: %d", signum);
+  if(got_exit_signal == 0) {
+    got_exit_signal = 1;
+    exit_signal = signum;
+#ifdef WIN32
+    if(exit_event)
+      (void)SetEvent(exit_event);
+#endif
+  }
+  (void)signal(signum, exit_signal_handler);
+  errno = old_errno;
+}
+
+#ifdef WIN32
+/* CTRL event handler for Windows Console applications to simulate
+ * SIGINT, SIGTERM and SIGBREAK on CTRL events and trigger signal handler.
+ *
+ * Background information from MSDN:
+ * SIGINT is not supported for any Win32 application. When a CTRL+C
+ * interrupt occurs, Win32 operating systems generate a new thread
+ * to specifically handle that interrupt. This can cause a single-thread
+ * application, such as one in UNIX, to become multithreaded and cause
+ * unexpected behavior.
+ * [...]
+ * The SIGILL and SIGTERM signals are not generated under Windows.
+ * They are included for ANSI compatibility. Therefore, you can set
+ * signal handlers for these signals by using signal, and you can also
+ * explicitly generate these signals by calling raise. Source:
+ * https://docs.microsoft.com/de-de/cpp/c-runtime-library/reference/signal
+ */
+static BOOL WINAPI ctrl_event_handler(DWORD dwCtrlType)
+{
+  int signum = 0;
+  logmsg("ctrl_event_handler: %d", dwCtrlType);
+  switch(dwCtrlType) {
+#ifdef SIGINT
+    case CTRL_C_EVENT: signum = SIGINT; break;
+#endif
+#ifdef SIGTERM
+    case CTRL_CLOSE_EVENT: signum = SIGTERM; break;
+#endif
+#ifdef SIGBREAK
+    case CTRL_BREAK_EVENT: signum = SIGBREAK; break;
+#endif
+    default: return FALSE;
+  }
+  if(signum) {
+    logmsg("ctrl_event_handler: %d -> %d", dwCtrlType, signum);
+    raise(signum);
+  }
+  return TRUE;
+}
+/* Window message handler for Windows applications to add support
+ * for graceful process termination via taskkill (without /f) which
+ * sends WM_CLOSE to all Windows of a process (even hidden ones).
+ *
+ * Therefore we create and run a hidden Window in a separate thread
+ * to receive and handle the WM_CLOSE message as SIGTERM signal.
+ */
+static LRESULT CALLBACK main_window_proc(HWND hwnd, UINT uMsg,
+                                         WPARAM wParam, LPARAM lParam)
+{
+  int signum = 0;
+  if(hwnd == hidden_main_window) {
+    switch(uMsg) {
+#ifdef SIGTERM
+      case WM_CLOSE: signum = SIGTERM; break;
+#endif
+      case WM_DESTROY: PostQuitMessage(0); break;
+    }
+    if(signum) {
+      logmsg("main_window_proc: %d -> %d", uMsg, signum);
+      raise(signum);
+    }
+  }
+  return DefWindowProc(hwnd, uMsg, wParam, lParam);
+}
+/* Window message queue loop for hidden main window, details see above.
+ */
+static DWORD WINAPI main_window_loop(LPVOID lpParameter)
+{
+  WNDCLASS wc;
+  BOOL ret;
+  MSG msg;
+
+  ZeroMemory(&wc, sizeof(wc));
+  wc.lpfnWndProc = (WNDPROC)main_window_proc;
+  wc.hInstance = (HINSTANCE)lpParameter;
+  wc.lpszClassName = TEXT("MainWClass");
+  if(!RegisterClass(&wc)) {
+    perror("RegisterClass failed");
+    return (DWORD)-1;
+  }
+
+  hidden_main_window = CreateWindowEx(0, TEXT("MainWClass"),
+                                      TEXT("Recv WM_CLOSE msg"),
+                                      WS_OVERLAPPEDWINDOW,
+                                      CW_USEDEFAULT, CW_USEDEFAULT,
+                                      CW_USEDEFAULT, CW_USEDEFAULT,
+                                      (HWND)NULL, (HMENU)NULL,
+                                      wc.hInstance, (LPVOID)NULL);
+  if(!hidden_main_window) {
+    perror("CreateWindowEx failed");
+    return (DWORD)-1;
+  }
+
+  do {
+    ret = GetMessage(&msg, NULL, 0, 0);
+    if(ret == -1) {
+      perror("GetMessage failed");
+      return (DWORD)-1;
+    }
+    else if(ret) {
+      if(msg.message == WM_APP) {
+        DestroyWindow(hidden_main_window);
+      }
+      else if(msg.hwnd && !TranslateMessage(&msg)) {
+        DispatchMessage(&msg);
+      }
+    }
+  } while(ret);
+
+  hidden_main_window = NULL;
+  return (DWORD)msg.wParam;
+}
+#endif
+
+void install_signal_handlers(bool keep_sigalrm)
+{
+#ifdef WIN32
+  /* setup windows exit event before any signal can trigger */
+  exit_event = CreateEvent(NULL, TRUE, FALSE, NULL);
+  if(!exit_event)
+    logmsg("cannot create exit event");
+#endif
+#ifdef SIGHUP
+  /* ignore SIGHUP signal */
+  old_sighup_handler = signal(SIGHUP, SIG_IGN);
+  if(old_sighup_handler == SIG_ERR)
+    logmsg("cannot install SIGHUP handler: %s", strerror(errno));
+#endif
+#ifdef SIGPIPE
+  /* ignore SIGPIPE signal */
+  old_sigpipe_handler = signal(SIGPIPE, SIG_IGN);
+  if(old_sigpipe_handler == SIG_ERR)
+    logmsg("cannot install SIGPIPE handler: %s", strerror(errno));
+#endif
+#ifdef SIGALRM
+  if(!keep_sigalrm) {
+    /* ignore SIGALRM signal */
+    old_sigalrm_handler = signal(SIGALRM, SIG_IGN);
+    if(old_sigalrm_handler == SIG_ERR)
+      logmsg("cannot install SIGALRM handler: %s", strerror(errno));
+  }
+#else
+  (void)keep_sigalrm;
+#endif
+#ifdef SIGINT
+  /* handle SIGINT signal with our exit_signal_handler */
+  old_sigint_handler = signal(SIGINT, exit_signal_handler);
+  if(old_sigint_handler == SIG_ERR)
+    logmsg("cannot install SIGINT handler: %s", strerror(errno));
+  else
+    siginterrupt(SIGINT, 1);
+#endif
+#ifdef SIGTERM
+  /* handle SIGTERM signal with our exit_signal_handler */
+  old_sigterm_handler = signal(SIGTERM, exit_signal_handler);
+  if(old_sigterm_handler == SIG_ERR)
+    logmsg("cannot install SIGTERM handler: %s", strerror(errno));
+  else
+    siginterrupt(SIGTERM, 1);
+#endif
+#if defined(SIGBREAK) && defined(WIN32)
+  /* handle SIGBREAK signal with our exit_signal_handler */
+  old_sigbreak_handler = signal(SIGBREAK, exit_signal_handler);
+  if(old_sigbreak_handler == SIG_ERR)
+    logmsg("cannot install SIGBREAK handler: %s", strerror(errno));
+  else
+    siginterrupt(SIGBREAK, 1);
+#endif
+#ifdef WIN32
+  if(!SetConsoleCtrlHandler(ctrl_event_handler, TRUE))
+    logmsg("cannot install CTRL event handler");
+  thread_main_window = CreateThread(NULL, 0,
+                                    &main_window_loop,
+                                    (LPVOID)GetModuleHandle(NULL),
+                                    0, &thread_main_id);
+  if(!thread_main_window || !thread_main_id)
+    logmsg("cannot start main window loop");
+#endif
+}
+
+void restore_signal_handlers(bool keep_sigalrm)
+{
+#ifdef SIGHUP
+  if(SIG_ERR != old_sighup_handler)
+    (void)signal(SIGHUP, old_sighup_handler);
+#endif
+#ifdef SIGPIPE
+  if(SIG_ERR != old_sigpipe_handler)
+    (void)signal(SIGPIPE, old_sigpipe_handler);
+#endif
+#ifdef SIGALRM
+  if(!keep_sigalrm) {
+    if(SIG_ERR != old_sigalrm_handler)
+      (void)signal(SIGALRM, old_sigalrm_handler);
+  }
+#else
+  (void)keep_sigalrm;
+#endif
+#ifdef SIGINT
+  if(SIG_ERR != old_sigint_handler)
+    (void)signal(SIGINT, old_sigint_handler);
+#endif
+#ifdef SIGTERM
+  if(SIG_ERR != old_sigterm_handler)
+    (void)signal(SIGTERM, old_sigterm_handler);
+#endif
+#if defined(SIGBREAK) && defined(WIN32)
+  if(SIG_ERR != old_sigbreak_handler)
+    (void)signal(SIGBREAK, old_sigbreak_handler);
+#endif
+#ifdef WIN32
+  (void)SetConsoleCtrlHandler(ctrl_event_handler, FALSE);
+  if(thread_main_window && thread_main_id) {
+    if(PostThreadMessage(thread_main_id, WM_APP, 0, 0)) {
+      if(WaitForSingleObjectEx(thread_main_window, INFINITE, TRUE)) {
+        if(CloseHandle(thread_main_window)) {
+          thread_main_window = NULL;
+          thread_main_id = 0;
+        }
+      }
+    }
+  }
+  if(exit_event) {
+    if(CloseHandle(exit_event)) {
+      exit_event = NULL;
+    }
+  }
+#endif
+}

curl/tests/server/util.h

@@ -0,0 +1,83 @@
+#ifndef HEADER_CURL_SERVER_UTIL_H
+#define HEADER_CURL_SERVER_UTIL_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2020, 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.
+ *
+ ***************************************************************************/
+#include "server_setup.h"
+
+char *data_to_hex(char *data, size_t len);
+void logmsg(const char *msg, ...);
+long timediff(struct timeval newer, struct timeval older);
+
+#define TEST_DATA_PATH "%s/data/test%ld"
+#define ALTTEST_DATA_PATH "%s/log/test%ld"
+
+#define SERVERLOGS_LOCK "log/serverlogs.lock"
+
+/* global variable, where to find the 'data' dir */
+extern const char *path;
+
+/* global variable, log file name */
+extern const char *serverlogfile;
+
+extern const char *cmdfile;
+
+#if defined(WIN32) || defined(_WIN32)
+#include <process.h>
+#include <fcntl.h>
+
+#define sleep(sec) Sleep ((sec)*1000)
+
+#undef perror
+#define perror(m) win32_perror(m)
+void win32_perror(const char *msg);
+#endif  /* WIN32 or _WIN32 */
+
+#ifdef USE_WINSOCK
+void win32_init(void);
+void win32_cleanup(void);
+#endif  /* USE_WINSOCK */
+
+/* fopens the test case file */
+FILE *test2fopen(long testno);
+
+int wait_ms(int timeout_ms);
+int write_pidfile(const char *filename);
+int write_portfile(const char *filename, int port);
+void set_advisor_read_lock(const char *filename);
+void clear_advisor_read_lock(const char *filename);
+int strncasecompare(const char *first, const char *second, size_t max);
+
+/* global variable which if set indicates that the program should finish */
+extern volatile int got_exit_signal;
+
+/* global variable which if set indicates the first signal handled */
+extern volatile int exit_signal;
+
+#ifdef WIN32
+/* global event which if set indicates that the program should finish */
+extern HANDLE exit_event;
+#endif
+
+void install_signal_handlers(bool keep_sigalrm);
+void restore_signal_handlers(bool keep_sigalrm);
+
+#endif  /* HEADER_CURL_SERVER_UTIL_H */