diff options
Diffstat (limited to 'tests/fuzz')
| -rw-r--r-- | tests/fuzz/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | tests/fuzz/Makefile.am | 57 | ||||
| -rw-r--r-- | tests/fuzz/Makefile.in | 880 | ||||
| -rw-r--r-- | tests/fuzz/Makefile.inc | 19 | ||||
| -rw-r--r-- | tests/fuzz/README | 14 | ||||
| -rw-r--r-- | tests/fuzz/curl_fuzzer.c | 128 |
6 files changed, 1099 insertions, 0 deletions
diff --git a/tests/fuzz/CMakeLists.txt b/tests/fuzz/CMakeLists.txt new file mode 100644 index 00000000..aefedf26 --- /dev/null +++ b/tests/fuzz/CMakeLists.txt @@ -0,0 +1 @@ +# FIXME, probably adapt from file in ../unit diff --git a/tests/fuzz/Makefile.am b/tests/fuzz/Makefile.am new file mode 100644 index 00000000..0d20d792 --- /dev/null +++ b/tests/fuzz/Makefile.am @@ -0,0 +1,57 @@ +#*************************************************************************** +# _ _ ____ _ +# Project ___| | | | _ \| | +# / __| | | | |_) | | +# | (__| |_| | _ <| |___ +# \___|\___/|_| \_\_____| +# +# Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al. +# +# This software is licensed as described in the file COPYING, which +# you should have received as part of this distribution. The terms +# are also available at https://curl.haxx.se/docs/copyright.html. +# +# You may opt to use, copy, modify, merge, publish, distribute and/or sell +# copies of the Software, and permit persons to whom the Software is +# 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_builddir)/include/curl for generated curlbuild.h included from curl.h +# $(top_builddir)/include for generated curlbuild.h inc. from lib/curl_setup.h +# $(top_srcdir)/include is for libcurl's external include files +# $(top_builddir)/lib is for libcurl's generated lib/curl_config.h file +# $(top_srcdir)/lib for libcurl's lib/curl_setup.h and other "borrowed" files + +AM_CPPFLAGS = -I$(top_builddir)/include/curl \ + -I$(top_builddir)/include \ + -I$(top_srcdir)/include \ + -I$(top_builddir)/lib \ + -I$(top_srcdir)/lib \ + -I$(top_srcdir)/tests/fuzz + +EXTRA_DIST = Makefile.inc CMakeLists.txt + +LIBS = -lpthread -lFuzzer -lstdc++ -lm +LDFLAGS = -L/usr/lib/llvm-5.0/lib #-L/home/daniel/src/Fuzzer/ + +LDADD = $(top_builddir)/lib/libcurl.la \ + @LDFLAGS@ @LIBCURL_LIBS@ + +# Makefile.inc provides neat definitions +include Makefile.inc + +checksrc: + @PERL@ $(top_srcdir)/lib/checksrc.pl $(srcdir)/*.c + +noinst_PROGRAMS = $(FUZZPROGS) + diff --git a/tests/fuzz/Makefile.in b/tests/fuzz/Makefile.in new file mode 100644 index 00000000..8bce86b3 --- /dev/null +++ b/tests/fuzz/Makefile.in @@ -0,0 +1,880 @@ +# Makefile.in generated by automake 1.15.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2017 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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The terms +# are also available at https://curl.haxx.se/docs/copyright.html. +# +# You may opt to use, copy, modify, merge, publish, distribute and/or sell +# copies of the Software, and permit persons to whom the Software is +# 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_builddir)/include/curl for generated curlbuild.h included from curl.h +# $(top_builddir)/include for generated curlbuild.h inc. from lib/curl_setup.h +# $(top_srcdir)/include is for libcurl's external include files +# $(top_builddir)/lib is for libcurl's generated lib/curl_config.h file +# $(top_srcdir)/lib for libcurl's lib/curl_setup.h and other "borrowed" files +AM_CPPFLAGS = -I$(top_builddir)/include/curl \ + -I$(top_builddir)/include \ + -I$(top_srcdir)/include \ + -I$(top_builddir)/lib \ + -I$(top_srcdir)/lib \ + -I$(top_srcdir)/tests/fuzz + +EXTRA_DIST = Makefile.inc CMakeLists.txt +LDADD = $(top_builddir)/lib/libcurl.la \ + @LDFLAGS@ @LIBCURL_LIBS@ + +FUZZPROGS = http11 ftp imap pop3 httpupload http2 +http11_SOURCES = curl_fuzzer.c +http11_CPPFLAGS = $(AM_CPPFLAGS) +ftp_SOURCES = curl_fuzzer.c +ftp_CPPFLAGS = -DFUZZER_FTP $(AM_CPPFLAGS) +imap_SOURCES = curl_fuzzer.c +imap_CPPFLAGS = -DFUZZER_IMAP $(AM_CPPFLAGS) +pop3_SOURCES = curl_fuzzer.c +pop3_CPPFLAGS = -DFUZZER_POP3 $(AM_CPPFLAGS) +httpupload_SOURCES = curl_fuzzer.c +httpupload_CPPFLAGS = -DFUZZER_HTTP_UPLOAD $(AM_CPPFLAGS) +http2_SOURCES = curl_fuzzer.c +http2_CPPFLAGS = -DFUZZER_HTTP2 $(AM_CPPFLAGS) +all: all-am + +.SUFFIXES: +.SUFFIXES: .c .lo .o .obj +$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(srcdir)/Makefile.inc $(am__configure_deps) + @for dep in $?; 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+# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +################################################################################ +*/ + +#include <errno.h> +#include <fcntl.h> +#include <netinet/in.h> +#include <stddef.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/select.h> +#include <sys/socket.h> +#include <sys/stat.h> +#include <sys/time.h> +#include <sys/types.h> +#include <unistd.h> + +#include <curl/curl.h> + +static const void *cur_data; +static int cur_size = -1; +static int server_fd = -1; +static int client_fd = -1; +static int wrote = 0; + +static void fail(const char *why) { + perror(why); + exit(1); +} + +static curl_socket_t open_sock(void *ctx, curlsocktype purpose, + struct curl_sockaddr *address) { + if(cur_size == -1) { + fail("not fuzzing"); + } + if(server_fd != -1 || client_fd != -1) { + fail("already connected"); + } + int fds[2]; + if(socketpair(AF_UNIX, SOCK_STREAM, 0, fds)) { + fail("socketpair"); + } + server_fd = fds[0]; + client_fd = fds[1]; + if(write(server_fd, cur_data, cur_size) != cur_size) { + fail("write"); + } + if(shutdown(server_fd, SHUT_WR)) { + fail("shutdown"); + } + return client_fd; +} + +static int set_opt(void *ctx, curl_socket_t curlfd, curlsocktype purpose) { + return CURL_SOCKOPT_ALREADY_CONNECTED; +} + +static size_t write_callback(char *ptr, size_t size, size_t n, void *ctx) { + return size * n; +} + +static size_t read_callback(char *buf, size_t size, size_t n, void *ctx) { + if(wrote || size * n == 0) { + return 0; + } + wrote = 1; + buf[0] = 'a'; + return 1; +} + +int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { + cur_data = Data; + cur_size = Size; + wrote = 0; + CURL *curl = curl_easy_init(); + curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback); + curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback); + curl_easy_setopt(curl, CURLOPT_OPENSOCKETFUNCTION, open_sock); + curl_easy_setopt(curl, CURLOPT_SOCKOPTFUNCTION, set_opt); +#if defined(FUZZER_FTP) + curl_easy_setopt(curl, CURLOPT_URL, "ftp://user@localhost/file.txt"); +#elif defined(FUZZER_IMAP) + curl_easy_setopt(curl, CURLOPT_USERNAME, "user"); + curl_easy_setopt(curl, CURLOPT_PASSWORD, "secret"); + curl_easy_setopt(curl, CURLOPT_URL, "imap://localhost"); +#elif defined(FUZZER_POP3) + curl_easy_setopt(curl, CURLOPT_USERNAME, "user"); + curl_easy_setopt(curl, CURLOPT_PASSWORD, "secret"); + curl_easy_setopt(curl, CURLOPT_URL, "pop3://localhost"); +#elif defined(FUZZER_HTTP_UPLOAD) + curl_easy_setopt(curl, CURLOPT_URL, "http://localhost/"); + curl_easy_setopt(curl, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); + curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L); +#elif defined(FUZZER_HTTP2) + curl_easy_setopt(curl, CURLOPT_URL, "http://localhost/"); + /* use non-TLS HTTP/2 without HTTP/1.1 Upgrade: */ + curl_easy_setopt(curl, CURLOPT_HTTP_VERSION, + CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE); +#else + curl_easy_setopt(curl, CURLOPT_URL, "http://localhost/"); + curl_easy_setopt(curl, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); +#endif + curl_easy_perform(curl); + curl_easy_cleanup(curl); + close(server_fd); + close(client_fd); + server_fd = -1; + client_fd = -1; + cur_data = NULL; + cur_size = -1; + return 0; +} |