opensips: initial integration. (#6420)

* opensips: initial integration.

* opensips: include primary contact

6 files changed, 196 insertions, 0 deletions

diff --git a/projects/opensips/Dockerfile b/projects/opensips/Dockerfile
new file mode 100755
index 000000000..c7b364a42
--- /dev/null
+++ b/projects/opensips/Dockerfile
@@ -0,0 +1,25 @@
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://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.
+#
+################################################################################
+
+FROM gcr.io/oss-fuzz-base/base-builder
+RUN apt-get update && apt-get install -y bison flex libssl-dev pkg-config
+RUN git clone https://github.com/OpenSIPS/opensips
+
+COPY patch.diff $SRC/
+COPY build.sh $SRC/
+COPY fuzz_*.c $SRC/opensips/parser/
+
+WORKDIR opensips
diff --git a/projects/opensips/build.sh b/projects/opensips/build.sh
new file mode 100755
index 000000000..9aeb9cd0f
--- /dev/null
+++ b/projects/opensips/build.sh
@@ -0,0 +1,27 @@
+#!/bin/bash -eu
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://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.
+#
+################################################################################
+
+git apply  --ignore-space-change --ignore-whitespace $SRC/patch.diff
+
+make static
+
+rm main.o
+mkdir objects && find . -name "*.o" -exec cp {} ./objects/ \;
+ar -r libopensips.a ./objects/*.o
+
+$CC $CFLAGS $LIB_FUZZING_ENGINE ./parser/fuzz_msg_parser.o ./libopensips.a  -ldl -lresolv -o $OUT/fuzz_msg_parser
+$CC $CFLAGS $LIB_FUZZING_ENGINE ./parser/fuzz_uri_parser.o ./libopensips.a  -ldl -lresolv -o $OUT/fuzz_uri_parser
diff --git a/projects/opensips/fuzz_msg_parser.c b/projects/opensips/fuzz_msg_parser.c
new file mode 100644
index 000000000..4daec4266
--- /dev/null
+++ b/projects/opensips/fuzz_msg_parser.c
@@ -0,0 +1,41 @@
+/* Copyright 2021 Google LLC
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+      http://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 "../parser/sdp/sdp.h"
+
+#include "../cachedb/test/test_cachedb.h"
+#include "../lib/test/test_csv.h"
+#include "../mem/test/test_malloc.h"
+#include "../str.h"
+
+#include "../context.h"
+#include "../dprint.h"
+#include "../globals.h"
+#include "../lib/list.h"
+#include "../sr_module.h"
+#include "../sr_module_deps.h"
+
+int LLVMFuzzerTestOneInput(const char *data, size_t size) {
+  ensure_global_context();
+  struct sip_uri u;
+
+  if (size <= 1) {
+    return 0;
+  }
+
+  struct sip_msg orig_inv = {};
+  orig_inv.buf = (char *)data;
+  orig_inv.len = size;
+
+  parse_msg(orig_inv.buf, orig_inv.len, &orig_inv);
+  free_sip_msg(&orig_inv);
+  return 0;
+}
diff --git a/projects/opensips/fuzz_uri_parser.c b/projects/opensips/fuzz_uri_parser.c
new file mode 100644
index 000000000..1a1647458
--- /dev/null
+++ b/projects/opensips/fuzz_uri_parser.c
@@ -0,0 +1,40 @@
+/* Copyright 2021 Google LLC
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+      http://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 "../cachedb/test/test_cachedb.h"
+#include "../lib/test/test_csv.h"
+#include "../mem/test/test_malloc.h"
+#include "../str.h"
+
+#include "../context.h"
+#include "../dprint.h"
+#include "../globals.h"
+#include "../lib/list.h"
+#include "../sr_module.h"
+#include "../sr_module_deps.h"
+
+#include "parse_uri.h"
+
+int LLVMFuzzerTestOneInput(const char *data, size_t size) {
+  ensure_global_context();
+  struct sip_uri u;
+
+  char *new_str = (char *)malloc(size + 1);
+  if (new_str == NULL) {
+    return 0;
+  }
+  memcpy(new_str, data, size);
+  new_str[size] = '\0';
+
+  parse_uri(STR_L(new_str), &u);
+
+  free(new_str);
+}
diff --git a/projects/opensips/patch.diff b/projects/opensips/patch.diff
new file mode 100644
index 000000000..a382129ed
--- /dev/null
+++ b/projects/opensips/patch.diff
@@ -0,0 +1,57 @@
+diff --git a/Makefile.conf.template b/Makefile.conf.template
+index 5a76e0a35..2570db165 100644
+--- a/Makefile.conf.template
++++ b/Makefile.conf.template
+@@ -69,17 +69,19 @@ exclude_modules?= aaa_diameter aaa_radius auth_jwt b2b_logic_xml cachedb_cassand
+ 
+ include_modules?=
+ 
+-DEFS+= -DPKG_MALLOC #Use a faster malloc
+-DEFS+= -DSHM_MMAP #Use mmap instead of SYSV shared memory
+-DEFS+= -DUSE_MCAST #Compile in support for IP Multicast
++#DEFS+= -DPKG_MALLOC #Use a faster malloc
++#DEFS+= -DSHM_MMAP #Use mmap instead of SYSV shared memory
++#DEFS+= -DUSE_MCAST #Compile in support for IP Multicast
+ DEFS+= -DDISABLE_NAGLE #Disable the TCP NAgle Algorithm ( lower delay )
+ DEFS+= -DSTATISTICS #Enable the statistics manager
++DEFS+= -DSYSTEM_MALLOC
++DEFS+= -DSHM_MMAP
+ DEFS+= -DHAVE_RESOLV_RES #Support for changing some of the resolver parameters
+ # Specifying exactly 1 allocator will cause it to be inlined (fastest)
+-DEFS+= -DF_MALLOC #Fast memory allocator with minimal runtime overhead
+-DEFS+= -DQ_MALLOC #Quality assurance memory allocator with runtime safety checks
+-DEFS+= -DHP_MALLOC #High performance allocator with fine-grained locking
+-DEFS+= -DDBG_MALLOC #Include additional, debug-enabled allocator flavors
++#DEFS+= -DF_MALLOC #Fast memory allocator with minimal runtime overhead
++#DEFS+= -DQ_MALLOC #Quality assurance memory allocator with runtime safety checks
++#DEFS+= -DHP_MALLOC #High performance allocator with fine-grained locking
++#DEFS+= -DDBG_MALLOC #Include additional, debug-enabled allocator flavors
+ #DEFS+= -DNO_DEBUG #Compile out all debug messages
+ #DEFS+= -DNO_LOG #Compile out all logging
+ #DEFS_GROUP_START
+diff --git a/parser/msg_parser.c b/parser/msg_parser.c
+index db09aff7f..99ea58435 100644
+--- a/parser/msg_parser.c
++++ b/parser/msg_parser.c
+@@ -263,7 +263,7 @@ error_bad_hdr:
+ 	set_err_reply(400, "bad headers");
+ error:
+ 	LM_DBG("error exit\n");
+-	update_stat( bad_msg_hdr, 1);
++	//update_stat( bad_msg_hdr, 1);
+ 	hdr->type=HDR_ERROR_T;
+ 	hdr->len=tmp-hdr->name.s;
+ 	return tmp;
+diff --git a/parser/parse_uri.c b/parser/parse_uri.c
+index 364d91c1f..2f1ff1130 100644
+--- a/parser/parse_uri.c
++++ b/parser/parse_uri.c
+@@ -1628,7 +1628,7 @@ error_bug:
+ error_exit:
+ 	ser_error=E_BAD_URI;
+ 	uri->type=ERROR_URI_T;
+-	update_stat(bad_URIs, 1);
++	//update_stat(bad_URIs, 1);
+ 	return E_BAD_URI;
+ }
+ 
diff --git a/projects/opensips/project.yaml b/projects/opensips/project.yaml
new file mode 100755
index 000000000..ff7091745
--- /dev/null
+++ b/projects/opensips/project.yaml
@@ -0,0 +1,6 @@
+homepage: "https://opensips.org/"
+main_repo: "https://github.com/OpenSIPS/opensips"
+primary_contact: "liviu@opensips.org"
+language: c
+auto_ccs:
+  - "david@adalogics.com"