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-rw-r--r--examples/bind/bind-9.14.1.patch390
1 files changed, 0 insertions, 390 deletions
diff --git a/examples/bind/bind-9.14.1.patch b/examples/bind/bind-9.14.1.patch
deleted file mode 100644
index b1e2a48e..00000000
--- a/examples/bind/bind-9.14.1.patch
+++ /dev/null
@@ -1,390 +0,0 @@
-diff -Nur ORIG.bind-9.14.1/bin/named/main.c bind-9.14.1/bin/named/main.c
---- ORIG.bind-9.14.1/bin/named/main.c 2019-04-06 22:09:59.000000000 +0200
-+++ bind-9.14.1/bin/named/main.c 2019-05-09 16:26:27.615239219 +0200
-@@ -1347,11 +1347,285 @@
- }
- #endif /* HAVE_LIBSCF */
-
-+#include <named/globals.h>
-+
-+#include <arpa/inet.h>
-+#include <errno.h>
-+#include <fcntl.h>
-+#include <net/if.h>
-+#include <net/route.h>
-+#include <netinet/ip6.h>
-+#include <netinet/tcp.h>
-+#include <pthread.h>
-+#include <sched.h>
-+#include <sys/ioctl.h>
-+#include <sys/resource.h>
-+#include <sys/socket.h>
-+#include <sys/stat.h>
-+#include <sys/time.h>
-+#include <sys/types.h>
-+#include <sys/uio.h>
-+#include <sys/wait.h>
-+#include <unistd.h>
-+
-+#include <libhfcommon/util.h>
-+#include <libhfuzz/libhfuzz.h>
-+
-+static void enter_namespaces(void)
-+{
-+ if (linuxEnterNs(CLONE_NEWUSER | CLONE_NEWNET | CLONE_NEWNS | CLONE_NEWIPC) == false) {
-+ exit(1);
-+ }
-+ if (linuxIfaceUp("lo") == false) {
-+ exit(1);
-+ }
-+ if (linuxMountTmpfs("/tmp") == false) {
-+ exit(1);
-+ }
-+}
-+
-+static size_t rlen = 0;
-+static const uint8_t* rbuf = NULL;
-+
-+__attribute__((no_sanitize("memory")))
-+__attribute__((no_sanitize("address"))) static void*
-+bind_thr(void* unused __attribute__((unused)))
-+{
-+ while (!named_g_run_done) {
-+ usleep(300000);
-+ }
-+
-+ int myfd = socket(AF_INET, SOCK_STREAM, IPPROTO_IP);
-+ if (myfd == -1) {
-+ perror("socket");
-+ exit(1);
-+ }
-+ int val = 1;
-+ if (setsockopt(myfd, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val)) == -1) {
-+ perror("setsockopt(SO_REUSEADDR)");
-+ }
-+
-+ const struct sockaddr_in saddr = {
-+ .sin_family = AF_INET,
-+ .sin_port = htons(53),
-+ .sin_addr.s_addr = inet_addr("127.0.0.2"),
-+ };
-+ if (bind(myfd, &saddr, sizeof(saddr)) == -1) {
-+ perror("bind");
-+ exit(1);
-+ }
-+
-+ if (listen(myfd, SOMAXCONN) == -1) {
-+ perror("listen");
-+ exit(1);
-+ }
-+
-+ for (;;) {
-+ struct sockaddr_in cli;
-+ socklen_t cli_len = sizeof(cli);
-+
-+ int nfd = accept(myfd, &cli, &cli_len);
-+ if (nfd == -1) {
-+ perror("accept");
-+ exit(1);
-+ }
-+
-+ static char b[1024 * 1024];
-+ ssize_t sz = recv(nfd, b, sizeof(b), 0);
-+ if (sz <= 0) {
-+ perror("recv");
-+ _exit(1);
-+ }
-+ if (sz < 4) {
-+ close(nfd);
-+ continue;
-+ }
-+ if (rlen < 1) {
-+ close(nfd);
-+ continue;
-+ }
-+
-+ /* It's a response, so set QR bit to 1 */
-+ uint8_t qr = rbuf[0] | 0x80;
-+
-+ uint16_t t_l = htons(rlen + 2);
-+ const struct iovec iov[] = {
-+ {
-+ .iov_base = &t_l,
-+ .iov_len = sizeof(t_l),
-+ },
-+ {
-+ .iov_base = &b[2],
-+ .iov_len = 2,
-+ },
-+ {
-+ .iov_base = &qr,
-+ .iov_len = 1,
-+ },
-+ {
-+ .iov_base = (void*)&rbuf[1],
-+ .iov_len = rlen - 1,
-+ },
-+ };
-+
-+ if (writev(nfd, iov, 4) == -1) {
-+ perror("writev() failed");
-+ }
-+
-+ close(nfd);
-+ }
-+
-+ return NULL;
-+}
-+
-+static void rndloop(int sock)
-+{
-+ const struct sockaddr_in bsaddr = {
-+ .sin_family = AF_INET,
-+ .sin_port = htons(0),
-+ .sin_addr.s_addr = htonl((((uint32_t)util_rnd64()) & 0x00FFFFFF) | 0x7F000000),
-+ };
-+ if (bind(sock, (const struct sockaddr*)&bsaddr, sizeof(bsaddr)) == -1) {
-+ perror("bind");
-+ }
-+}
-+
-+__attribute__((no_sanitize("memory")))
-+__attribute__((no_sanitize("address"))) static void*
-+connect_thr(void* unused __attribute__((unused)))
-+{
-+ while (!named_g_run_done) {
-+ usleep(300000);
-+ }
-+
-+ for (;;) {
-+ int myfd = socket(AF_INET, SOCK_STREAM, IPPROTO_IP);
-+ if (myfd == -1) {
-+ perror("socket");
-+ exit(1);
-+ }
-+ int val = 1;
-+ if (setsockopt(myfd, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val)) == -1) {
-+ perror("setsockopt(SO_REUSEADDR)");
-+ }
-+
-+ rndloop(myfd);
-+
-+ const struct sockaddr_in saddr = {
-+ .sin_family = AF_INET,
-+ .sin_port = htons(53),
-+ .sin_addr.s_addr = htonl(INADDR_LOOPBACK),
-+ };
-+ if (connect(myfd, &saddr, sizeof(saddr)) == -1) {
-+ close(myfd);
-+ continue;
-+ }
-+
-+ const uint8_t* buf;
-+ size_t len;
-+
-+ if (named_g_fuzz_type == isc_fuzz_client) {
-+ HF_ITER(&buf, &len);
-+
-+ rlen = 0;
-+ rbuf = NULL;
-+
-+ if (len < 32) {
-+ close(myfd);
-+ continue;
-+ }
-+
-+ uint32_t tmplen = *((const uint32_t*)buf);
-+
-+ buf = &buf[sizeof(uint32_t)];
-+ len -= sizeof(uint32_t);
-+
-+ tmplen %= len;
-+
-+ rbuf = &buf[tmplen];
-+ rlen = len - tmplen;
-+ len = tmplen;
-+ } else {
-+ static const uint8_t qbuf[] = {
-+ 0x88, 0x0c, 0x01, 0x20, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
-+ 0x00, 0x01, 0x0a, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61,
-+ 0x61, 0x61, 0x61, 0x07, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c,
-+ 0x65, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x29, 0x10,
-+ 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00
-+ };
-+ buf = qbuf;
-+ len = sizeof(qbuf);
-+ HF_ITER(&rbuf, &rlen);
-+ }
-+
-+ uint16_t t_l = htons(len);
-+ const struct iovec iov[] = {
-+ {
-+ .iov_base = &t_l,
-+ .iov_len = sizeof(t_l),
-+ },
-+ {
-+ .iov_base = (void*)buf,
-+ .iov_len = len,
-+ },
-+ };
-+
-+ if (writev(myfd, iov, 2) == -1) {
-+ perror("write");
-+ close(myfd);
-+ continue;
-+ }
-+
-+ if (shutdown(myfd, SHUT_WR) == -1) {
-+ if (errno == ENOTCONN) {
-+ close(myfd);
-+ continue;
-+ }
-+ perror("shutdown");
-+ _exit(1);
-+ }
-+
-+ uint8_t b[1024 * 512];
-+ while (recv(myfd, b, sizeof(b), 0) > 0)
-+ ;
-+ close(myfd);
-+ }
-+}
-+
-+static void launch_thr(void)
-+{
-+ pthread_attr_t attr;
-+ pthread_attr_init(&attr);
-+ pthread_attr_setstacksize(&attr, 1024 * 1024 * 4);
-+ pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
-+
-+ pthread_t t;
-+ if (pthread_create(&t, &attr, bind_thr, NULL) < 0) {
-+ perror("pthread_create(bind_thr)");
-+ exit(1);
-+ }
-+
-+ pthread_attr_init(&attr);
-+ pthread_attr_setstacksize(&attr, 1024 * 1024 * 4);
-+ pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
-+ if (pthread_create(&t, &attr, connect_thr, NULL) < 0) {
-+ perror("pthread_create(connect_thr)");
-+ exit(1);
-+ }
-+}
-+
- /* main entry point, possibly hooked */
-
--int
--main(int argc, char *argv[]) {
-- isc_result_t result;
-+int main(int argc, char* argv[])
-+{
-+ if (!getenv("NO_FUZZ")) {
-+ named_g_fuzz_addr = "127.0.0.1:53";
-+ named_g_fuzz_type = isc_fuzz_client;
-+ enter_namespaces();
-+ launch_thr();
-+ }
-+
-+ isc_result_t result;
- #ifdef HAVE_LIBSCF
- char *instance = NULL;
- #endif
-diff -Nur ORIG.bind-9.14.1/compile.sh bind-9.14.1/compile.sh
---- ORIG.bind-9.14.1/compile.sh 1970-01-01 01:00:00.000000000 +0100
-+++ bind-9.14.1/compile.sh 2019-05-09 16:27:15.139211816 +0200
-@@ -0,0 +1,20 @@
-+#!/bin/sh
-+
-+set -ex
-+
-+export CC="$HOME"/src/honggfuzz/hfuzz_cc/hfuzz-clang
-+export CXX="$HOME"/src/honggfuzz/hfuzz_cc/hfuzz-clang++
-+export CFLAGS="-fsanitize=address -Wno-shift-negative-value -Wno-logical-not-parentheses -g -ggdb -O0 -D__AFL_COMPILER"
-+./configure \
-+ --prefix="$HOME"/fuzz/bind/dist/ \
-+ --without-gssapi \
-+ --disable-chroot \
-+ --disable-linux-caps \
-+ --without-libtool \
-+ --enable-epoll \
-+ --enable-fuzzing=afl \
-+ --disable-backtrace \
-+ --with-openssl=yes
-+
-+make clean
-+make -j$(nproc)
-diff -Nur ORIG.bind-9.14.1/lib/dns/request.c bind-9.14.1/lib/dns/request.c
---- ORIG.bind-9.14.1/lib/dns/request.c 2019-04-06 22:09:59.000000000 +0200
-+++ bind-9.14.1/lib/dns/request.c 2019-05-09 16:26:27.615239219 +0200
-@@ -760,7 +760,7 @@
- goto cleanup;
- }
-
-- if ((options & DNS_REQUESTOPT_TCP) != 0 || r.length > 512)
-+ if ((options & DNS_REQUESTOPT_TCP) != 0 || r.length >= 0)
- tcp = true;
- share = (options & DNS_REQUESTOPT_SHARE);
-
-@@ -1050,6 +1050,8 @@
- dns_compress_t cctx;
- bool cleanup_cctx = false;
-
-+ options |= DNS_REQUESTOPT_TCP;
-+
- REQUIRE(bufferp != NULL && *bufferp == NULL);
-
- req_log(ISC_LOG_DEBUG(3), "request_render");
-diff -Nur ORIG.bind-9.14.1/lib/dns/resolver.c bind-9.14.1/lib/dns/resolver.c
---- ORIG.bind-9.14.1/lib/dns/resolver.c 2019-04-06 22:09:59.000000000 +0200
-+++ bind-9.14.1/lib/dns/resolver.c 2019-05-09 16:26:27.619239217 +0200
-@@ -1951,7 +1951,7 @@
- goto stop_idle_timer;
- }
- query->mctx = fctx->mctx;
-- query->options = options;
-+ query->options = options | DNS_FETCHOPT_TCP;
- query->attributes = 0;
- query->sends = 0;
- query->connects = 0;
-diff -Nur ORIG.bind-9.14.1/lib/isc/random.c bind-9.14.1/lib/isc/random.c
---- ORIG.bind-9.14.1/lib/isc/random.c 2019-04-06 22:09:59.000000000 +0200
-+++ bind-9.14.1/lib/isc/random.c 2019-05-09 16:26:27.619239217 +0200
-@@ -96,6 +96,7 @@
- isc_random8(void) {
- RUNTIME_CHECK(isc_once_do(&isc_random_once,
- isc_random_initialize) == ISC_R_SUCCESS);
-+ return 1;
- return (next() & 0xff);
- }
-
-@@ -103,6 +104,7 @@
- isc_random16(void) {
- RUNTIME_CHECK(isc_once_do(&isc_random_once,
- isc_random_initialize) == ISC_R_SUCCESS);
-+ return 1;
- return (next() & 0xffff);
- }
-
-@@ -110,6 +112,7 @@
- isc_random32(void) {
- RUNTIME_CHECK(isc_once_do(&isc_random_once,
- isc_random_initialize) == ISC_R_SUCCESS);
-+ return 1;
- return (next());
- }
-
-@@ -124,6 +127,13 @@
- RUNTIME_CHECK(isc_once_do(&isc_random_once,
- isc_random_initialize) == ISC_R_SUCCESS);
-
-+ for (size_t z = 0; z < buflen; z++) {
-+ char * b = (char*)buf;
-+ b[z] = z + 1;
-+ }
-+ return;
-+
-+
- for (i = 0; i + sizeof(r) <= buflen; i += sizeof(r)) {
- r = next();
- memmove((uint8_t *)buf + i, &r, sizeof(r));