Merge pull request #1796 from ethomson/fix_inet_pton Fix p_inet_pton on windows
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diff --git a/src/win32/posix.h b/src/win32/posix.h
index 5f924a0..24cba23 100644
--- a/src/win32/posix.h
+++ b/src/win32/posix.h
@@ -12,6 +12,13 @@
#include "utf-conv.h"
#include "dir.h"
+/* define some standard errnos that the runtime may be missing. for example,
+ * mingw lacks EAFNOSUPPORT. */
+
+#ifndef EAFNOSUPPORT
+# define EAFNOSUPPORT (INT_MAX-1)
+#endif
+
GIT_INLINE(int) p_link(const char *old, const char *new)
{
GIT_UNUSED(old);
diff --git a/src/win32/posix_w32.c b/src/win32/posix_w32.c
index 087adcc..2f49052 100644
--- a/src/win32/posix_w32.c
+++ b/src/win32/posix_w32.c
@@ -518,44 +518,40 @@ p_gmtime_r (const time_t *timer, struct tm *result)
return result;
}
-int p_inet_pton(int af, const char* src, void* dst)
+int p_inet_pton(int af, const char *src, void *dst)
{
- union {
- struct sockaddr_in6 sin6;
- struct sockaddr_in sin;
- } sa;
- int srcsize;
+ struct sockaddr_storage sin;
+ void *addr;
+ int sin_len = sizeof(struct sockaddr_storage), addr_len;
+ int error = 0;
- switch(af)
- {
- case AF_INET:
- sa.sin.sin_family = AF_INET;
- srcsize = (int)sizeof(sa.sin);
- break;
- case AF_INET6:
- sa.sin6.sin6_family = AF_INET6;
- srcsize = (int)sizeof(sa.sin6);
- break;
- default:
- errno = WSAEPFNOSUPPORT;
- return -1;
+ if (af == AF_INET) {
+ addr = &((struct sockaddr_in *)&sin)->sin_addr;
+ addr_len = sizeof(struct in_addr);
+ } else if (af == AF_INET6) {
+ addr = &((struct sockaddr_in6 *)&sin)->sin6_addr;
+ addr_len = sizeof(struct in6_addr);
+ } else {
+ errno = EAFNOSUPPORT;
+ return -1;
}
- if (WSAStringToAddress((LPSTR)src, af, NULL, (struct sockaddr *) &sa, &srcsize) != 0)
- {
- errno = WSAGetLastError();
- return -1;
+ if ((error = WSAStringToAddressA((LPSTR)src, af, NULL, (LPSOCKADDR)&sin, &sin_len)) == 0) {
+ memcpy(dst, addr, addr_len);
+ return 1;
}
- switch(af)
- {
- case AF_INET:
- memcpy(dst, &sa.sin.sin_addr, sizeof(sa.sin.sin_addr));
- break;
- case AF_INET6:
- memcpy(dst, &sa.sin6.sin6_addr, sizeof(sa.sin6.sin6_addr));
- break;
+ switch(WSAGetLastError()) {
+ case WSAEINVAL:
+ return 0;
+ case WSAEFAULT:
+ errno = ENOSPC;
+ return -1;
+ case WSA_NOT_ENOUGH_MEMORY:
+ errno = ENOMEM;
+ return -1;
}
- return 1;
+ errno = EINVAL;
+ return -1;
}
diff --git a/tests-clar/core/posix.c b/tests-clar/core/posix.c
new file mode 100644
index 0000000..0d9443f
--- /dev/null
+++ b/tests-clar/core/posix.c
@@ -0,0 +1,84 @@
+#ifndef _WIN32
+# include <arpa/inet.h>
+#else
+# include <ws2tcpip.h>
+# ifdef _MSC_VER
+# pragma comment(lib, "ws2_32")
+# endif
+#endif
+
+#include "clar_libgit2.h"
+#include "posix.h"
+
+void test_core_posix__initialize(void)
+{
+#ifdef GIT_WIN32
+ /* on win32, the WSA context needs to be initialized
+ * before any socket calls can be performed */
+ WSADATA wsd;
+
+ cl_git_pass(WSAStartup(MAKEWORD(2,2), &wsd));
+ cl_assert(LOBYTE(wsd.wVersion) == 2 && HIBYTE(wsd.wVersion) == 2);
+#endif
+}
+
+void test_core_posix__inet_pton(void)
+{
+ struct in_addr addr;
+ struct in6_addr addr6;
+ size_t i;
+
+ struct in_addr_data {
+ const char *p;
+ const uint8_t n[4];
+ };
+
+ struct in6_addr_data {
+ const char *p;
+ const uint8_t n[16];
+ };
+
+ static struct in_addr_data in_addr_data[] = {
+ { "0.0.0.0", { 0, 0, 0, 0 } },
+ { "10.42.101.8", { 10, 42, 101, 8 } },
+ { "127.0.0.1", { 127, 0, 0, 1 } },
+ { "140.177.10.12", { 140, 177, 10, 12 } },
+ { "204.232.175.90", { 204, 232, 175, 90 } },
+ { "255.255.255.255", { 255, 255, 255, 255 } },
+ };
+
+ static struct in6_addr_data in6_addr_data[] = {
+ { "::", { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } },
+ { "::1", { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 } },
+ { "0:0:0:0:0:0:0:1", { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 } },
+ { "2001:db8:8714:3a90::12", { 0x20, 0x01, 0x0d, 0xb8, 0x87, 0x14, 0x3a, 0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12 } },
+ { "fe80::f8ba:c2d6:86be:3645", { 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xba, 0xc2, 0xd6, 0x86, 0xbe, 0x36, 0x45 } },
+ { "::ffff:204.152.189.116", { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xcc, 0x98, 0xbd, 0x74 } },
+ };
+
+ /* Test some ipv4 addresses */
+ for (i = 0; i < 6; i++) {
+ cl_assert(p_inet_pton(AF_INET, in_addr_data[i].p, &addr) == 1);
+ cl_assert(memcmp(&addr, in_addr_data[i].n, sizeof(struct in_addr)) == 0);
+ }
+
+ /* Test some ipv6 addresses */
+ for (i = 0; i < 6; i++) {
+ cl_assert(p_inet_pton(AF_INET6, in6_addr_data[i].p, &addr6) == 1);
+ cl_assert(memcmp(&addr6, in6_addr_data[i].n, sizeof(struct in6_addr)) == 0);
+ }
+
+ /* Test some invalid strings */
+ cl_assert(p_inet_pton(AF_INET, "", &addr) == 0);
+ cl_assert(p_inet_pton(AF_INET, "foo", &addr) == 0);
+ cl_assert(p_inet_pton(AF_INET, " 127.0.0.1", &addr) == 0);
+ cl_assert(p_inet_pton(AF_INET, "bar", &addr) == 0);
+ cl_assert(p_inet_pton(AF_INET, "10.foo.bar.1", &addr) == 0);
+
+ /* Test unsupported address families */
+ cl_git_fail(p_inet_pton(12, "52.472", NULL)); /* AF_DECnet */
+ cl_assert_equal_i(EAFNOSUPPORT, errno);
+
+ cl_git_fail(p_inet_pton(5, "315.124", NULL)); /* AF_CHAOS */
+ cl_assert_equal_i(EAFNOSUPPORT, errno);
+}