1 //
2 //
3 // Copyright 2017 gRPC authors.
4 //
5 // Licensed under the Apache License, Version 2.0 (the "License");
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
8 //
9 // http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
16 //
17 //
18
19 #include "src/core/lib/address_utils/parse_address.h"
20 #ifdef GRPC_HAVE_UNIX_SOCKET
21 #ifdef GPR_WINDOWS
22 // clang-format off
23 #include <ws2def.h>
24 #include <afunix.h>
25 // clang-format on
26 #else
27 #include <sys/un.h>
28 #endif // GPR_WINDOWS
29 #endif // GRPC_HAVE_UNIX_SOCKET
30
31 #ifdef GRPC_HAVE_VSOCK
32 #include <linux/vm_sockets.h>
33 #endif
34
35 #include <string>
36
37 #include "absl/status/status.h"
38 #include "absl/strings/match.h"
39 #include "gtest/gtest.h"
40
41 #include <grpc/grpc.h>
42 #include <grpc/support/log.h>
43
44 #include "src/core/lib/iomgr/exec_ctx.h"
45 #include "src/core/lib/iomgr/port.h"
46 #include "src/core/lib/iomgr/sockaddr.h"
47 #include "src/core/lib/iomgr/socket_utils.h"
48 #include "test/core/util/test_config.h"
49
50 #ifdef GRPC_HAVE_UNIX_SOCKET
51
test_grpc_parse_unix(const char * uri_text,const char * pathname)52 static void test_grpc_parse_unix(const char* uri_text, const char* pathname) {
53 grpc_core::ExecCtx exec_ctx;
54 absl::StatusOr<grpc_core::URI> uri = grpc_core::URI::Parse(uri_text);
55 if (!uri.ok()) {
56 gpr_log(GPR_ERROR, "%s", uri.status().ToString().c_str());
57 ASSERT_TRUE(uri.ok());
58 }
59 grpc_resolved_address addr;
60
61 ASSERT_TRUE(grpc_parse_uri(*uri, &addr));
62 struct sockaddr_un* addr_un =
63 reinterpret_cast<struct sockaddr_un*>(addr.addr);
64 ASSERT_EQ(AF_UNIX, addr_un->sun_family);
65 ASSERT_STREQ(addr_un->sun_path, pathname);
66 }
67
test_grpc_parse_unix_abstract(const char * uri_text,const char * pathname)68 static void test_grpc_parse_unix_abstract(const char* uri_text,
69 const char* pathname) {
70 grpc_core::ExecCtx exec_ctx;
71 absl::StatusOr<grpc_core::URI> uri = grpc_core::URI::Parse(uri_text);
72 if (!uri.ok()) {
73 gpr_log(GPR_ERROR, "%s", uri.status().ToString().c_str());
74 ASSERT_TRUE(uri.ok());
75 }
76 grpc_resolved_address addr;
77
78 ASSERT_TRUE(grpc_parse_uri(*uri, &addr));
79 struct sockaddr_un* addr_un =
80 reinterpret_cast<struct sockaddr_un*>(addr.addr);
81 ASSERT_EQ(AF_UNIX, addr_un->sun_family);
82 ASSERT_EQ('\0', addr_un->sun_path[0]);
83 ASSERT_TRUE(absl::StartsWith(addr_un->sun_path + 1, pathname));
84 }
85
86 #else // GRPC_HAVE_UNIX_SOCKET
87
test_grpc_parse_unix(const char * uri_text,const char * pathname)88 static void test_grpc_parse_unix(const char* uri_text, const char* pathname) {}
test_grpc_parse_unix_abstract(const char * uri_text,const char * pathname)89 static void test_grpc_parse_unix_abstract(const char* uri_text,
90 const char* pathname) {}
91
92 #endif // GRPC_HAVE_UNIX_SOCKET
93
94 #ifdef GRPC_HAVE_VSOCK
95
test_grpc_parse_vsock(const char * uri_text,uint32_t cid,uint32_t port)96 static void test_grpc_parse_vsock(const char* uri_text, uint32_t cid,
97 uint32_t port) {
98 grpc_core::ExecCtx exec_ctx;
99 absl::StatusOr<grpc_core::URI> uri = grpc_core::URI::Parse(uri_text);
100 if (!uri.ok()) {
101 gpr_log(GPR_ERROR, "%s", uri.status().ToString().c_str());
102 ASSERT_TRUE(uri.ok());
103 }
104 grpc_resolved_address addr;
105
106 ASSERT_TRUE(grpc_parse_uri(*uri, &addr));
107 struct sockaddr_vm* addr_vm =
108 reinterpret_cast<struct sockaddr_vm*>(addr.addr);
109 ASSERT_EQ(AF_VSOCK, addr_vm->svm_family);
110 ASSERT_EQ(grpc_ntohl(addr_vm->svm_cid), cid);
111 ASSERT_EQ(addr_vm->svm_port, port);
112 }
113
114 #else // GRPC_HAVE_VSOCK
115
test_grpc_parse_vsock(const char *,...)116 static void test_grpc_parse_vsock(const char* /* uri_text */, ...) {}
117
118 #endif // GRPC_HAVE_VSOCK
119
test_grpc_parse_ipv4(const char * uri_text,const char * host,unsigned short port)120 static void test_grpc_parse_ipv4(const char* uri_text, const char* host,
121 unsigned short port) {
122 grpc_core::ExecCtx exec_ctx;
123 absl::StatusOr<grpc_core::URI> uri = grpc_core::URI::Parse(uri_text);
124 if (!uri.ok()) {
125 gpr_log(GPR_ERROR, "%s", uri.status().ToString().c_str());
126 ASSERT_TRUE(uri.ok());
127 }
128 grpc_resolved_address addr;
129 char ntop_buf[GRPC_INET_ADDRSTRLEN];
130
131 ASSERT_TRUE(grpc_parse_ipv4(*uri, &addr));
132 grpc_sockaddr_in* addr_in = reinterpret_cast<grpc_sockaddr_in*>(addr.addr);
133 ASSERT_EQ(GRPC_AF_INET, addr_in->sin_family);
134 ASSERT_NE(nullptr, grpc_inet_ntop(GRPC_AF_INET, &addr_in->sin_addr, ntop_buf,
135 sizeof(ntop_buf)));
136 ASSERT_STREQ(ntop_buf, host);
137 ASSERT_EQ(grpc_ntohs(addr_in->sin_port), port);
138 }
139
test_grpc_parse_ipv6(const char * uri_text,const char * host,unsigned short port,uint32_t scope_id)140 static void test_grpc_parse_ipv6(const char* uri_text, const char* host,
141 unsigned short port, uint32_t scope_id) {
142 grpc_core::ExecCtx exec_ctx;
143 absl::StatusOr<grpc_core::URI> uri = grpc_core::URI::Parse(uri_text);
144 if (!uri.ok()) {
145 gpr_log(GPR_ERROR, "%s", uri.status().ToString().c_str());
146 ASSERT_TRUE(uri.ok());
147 }
148 grpc_resolved_address addr;
149 char ntop_buf[GRPC_INET6_ADDRSTRLEN];
150 ASSERT_TRUE(grpc_parse_ipv6(*uri, &addr));
151 grpc_sockaddr_in6* addr_in6 = reinterpret_cast<grpc_sockaddr_in6*>(addr.addr);
152 ASSERT_EQ(GRPC_AF_INET6, addr_in6->sin6_family);
153 ASSERT_NE(nullptr, grpc_inet_ntop(GRPC_AF_INET6, &addr_in6->sin6_addr,
154 ntop_buf, sizeof(ntop_buf)));
155 ASSERT_STREQ(ntop_buf, host);
156 ASSERT_EQ(grpc_ntohs(addr_in6->sin6_port), port);
157 ASSERT_EQ(addr_in6->sin6_scope_id, scope_id);
158 }
159
160 // Test parsing invalid ipv6 addresses (valid uri_text but invalid ipv6 addr)
test_grpc_parse_ipv6_invalid(const char * uri_text)161 static void test_grpc_parse_ipv6_invalid(const char* uri_text) {
162 grpc_core::ExecCtx exec_ctx;
163 absl::StatusOr<grpc_core::URI> uri = grpc_core::URI::Parse(uri_text);
164 if (!uri.ok()) {
165 gpr_log(GPR_ERROR, "%s", uri.status().ToString().c_str());
166 ASSERT_TRUE(uri.ok());
167 }
168 grpc_resolved_address addr;
169 ASSERT_FALSE(grpc_parse_ipv6(*uri, &addr));
170 }
171
TEST(ParseAddressTest,MainTest)172 TEST(ParseAddressTest, MainTest) {
173 grpc_init();
174
175 test_grpc_parse_unix("unix:/path/name", "/path/name");
176 test_grpc_parse_unix_abstract("unix-abstract:foobar", "foobar");
177 test_grpc_parse_vsock("vsock:-1:12345", -1, 12345);
178 test_grpc_parse_ipv4("ipv4:192.0.2.1:12345", "192.0.2.1", 12345);
179 test_grpc_parse_ipv6("ipv6:[2001:db8::1]:12345", "2001:db8::1", 12345, 0);
180 test_grpc_parse_ipv6("ipv6:[2001:db8::1%252]:12345", "2001:db8::1", 12345, 2);
181
182 // Address length greater than GRPC_INET6_ADDRSTRLEN
183 test_grpc_parse_ipv6_invalid(
184 "ipv6:WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW45%"
185 "25v6:45%25x$1*");
186
187 grpc_shutdown();
188 }
189
main(int argc,char ** argv)190 int main(int argc, char** argv) {
191 grpc::testing::TestEnvironment env(&argc, argv);
192 ::testing::InitGoogleTest(&argc, argv);
193 return RUN_ALL_TESTS();
194 }
195