Initial commit of BoringSSL for Android.

1 files changed, 298 insertions, 0 deletions

diff --git a/src/tool/transport_common.cc b/src/tool/transport_common.cc
new file mode 100644
index 0000000..c05742e
--- /dev/null
+++ b/src/tool/transport_common.cc
@@ -0,0 +1,298 @@
+/* Copyright (c) 2014, Google Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
+
+#include <openssl/base.h>
+
+#include <string>
+#include <vector>
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+
+#if !defined(OPENSSL_WINDOWS)
+#include <arpa/inet.h>
+#include <fcntl.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <sys/select.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#else
+#define NOMINMAX
+#include <io.h>
+#pragma warning(push, 3)
+#include <WinSock2.h>
+#include <WS2tcpip.h>
+#pragma warning(pop)
+
+typedef int ssize_t;
+#pragma comment(lib, "Ws2_32.lib")
+#endif
+
+#include <openssl/err.h>
+#include <openssl/ssl.h>
+
+#include "internal.h"
+
+
+#if !defined(OPENSSL_WINDOWS)
+static int closesocket(int sock) {
+  return close(sock);
+}
+#endif
+
+bool InitSocketLibrary() {
+#if defined(OPENSSL_WINDOWS)
+  WSADATA wsaData;
+  int err = WSAStartup(MAKEWORD(2, 2), &wsaData);
+  if (err != 0) {
+    fprintf(stderr, "WSAStartup failed with error %d\n", err);
+    return false;
+  }
+#endif
+  return true;
+}
+
+// Connect sets |*out_sock| to be a socket connected to the destination given
+// in |hostname_and_port|, which should be of the form "www.example.com:123".
+// It returns true on success and false otherwise.
+bool Connect(int *out_sock, const std::string &hostname_and_port) {
+  const size_t colon_offset = hostname_and_port.find_last_of(':');
+  std::string hostname, port;
+
+  if (colon_offset == std::string::npos) {
+    hostname = hostname_and_port;
+    port = "443";
+  } else {
+    hostname = hostname_and_port.substr(0, colon_offset);
+    port = hostname_and_port.substr(colon_offset + 1);
+  }
+
+  struct addrinfo hint, *result;
+  memset(&hint, 0, sizeof(hint));
+  hint.ai_family = AF_UNSPEC;
+  hint.ai_socktype = SOCK_STREAM;
+
+  int ret = getaddrinfo(hostname.c_str(), port.c_str(), &hint, &result);
+  if (ret != 0) {
+    fprintf(stderr, "getaddrinfo returned: %s\n", gai_strerror(ret));
+    return false;
+  }
+
+  bool ok = false;
+  char buf[256];
+
+  *out_sock =
+      socket(result->ai_family, result->ai_socktype, result->ai_protocol);
+  if (*out_sock < 0) {
+    perror("socket");
+    goto out;
+  }
+
+  switch (result->ai_family) {
+    case AF_INET: {
+      struct sockaddr_in *sin =
+          reinterpret_cast<struct sockaddr_in *>(result->ai_addr);
+      fprintf(stderr, "Connecting to %s:%d\n",
+              inet_ntop(result->ai_family, &sin->sin_addr, buf, sizeof(buf)),
+              ntohs(sin->sin_port));
+      break;
+    }
+    case AF_INET6: {
+      struct sockaddr_in6 *sin6 =
+          reinterpret_cast<struct sockaddr_in6 *>(result->ai_addr);
+      fprintf(stderr, "Connecting to [%s]:%d\n",
+              inet_ntop(result->ai_family, &sin6->sin6_addr, buf, sizeof(buf)),
+              ntohs(sin6->sin6_port));
+      break;
+    }
+  }
+
+  if (connect(*out_sock, result->ai_addr, result->ai_addrlen) != 0) {
+    perror("connect");
+    goto out;
+  }
+  ok = true;
+
+out:
+  freeaddrinfo(result);
+  return ok;
+}
+
+bool Accept(int *out_sock, const std::string &port) {
+  struct sockaddr_in addr, cli_addr;
+  socklen_t cli_addr_len = sizeof(cli_addr);
+  memset(&addr, 0, sizeof(addr));
+
+  addr.sin_family = AF_INET;
+  addr.sin_addr.s_addr = INADDR_ANY;
+  addr.sin_port = htons(atoi(port.c_str()));
+
+  bool ok = false;
+  int server_sock = -1;
+
+  server_sock =
+      socket(addr.sin_family, SOCK_STREAM, 0);
+  if (server_sock < 0) {
+    perror("socket");
+    goto out;
+  }
+
+  if (bind(server_sock, (struct sockaddr*)&addr, sizeof(addr)) != 0) {
+    perror("connect");
+    goto out;
+  }
+  listen(server_sock, 1);
+  *out_sock = accept(server_sock, (struct sockaddr*)&cli_addr, &cli_addr_len);
+
+  ok = true;
+
+out:
+  closesocket(server_sock);
+  return ok;
+}
+
+void PrintConnectionInfo(const SSL *ssl) {
+  const SSL_CIPHER *cipher = SSL_get_current_cipher(ssl);
+
+  fprintf(stderr, "  Version: %s\n", SSL_get_version(ssl));
+  fprintf(stderr, "  Cipher: %s\n", SSL_CIPHER_get_name(cipher));
+  fprintf(stderr, "  Secure renegotiation: %s\n",
+          SSL_get_secure_renegotiation_support(ssl) ? "yes" : "no");
+}
+
+bool SocketSetNonBlocking(int sock, bool is_non_blocking) {
+  bool ok;
+
+#if defined(OPENSSL_WINDOWS)
+  u_long arg = is_non_blocking;
+  ok = 0 == ioctlsocket(sock, FIONBIO, &arg);
+#else
+  int flags = fcntl(sock, F_GETFL, 0);
+  if (flags < 0) {
+    return false;
+  }
+  if (is_non_blocking) {
+    flags |= O_NONBLOCK;
+  } else {
+    flags &= ~O_NONBLOCK;
+  }
+  ok = 0 == fcntl(sock, F_SETFL, flags);
+#endif
+  if (!ok) {
+    fprintf(stderr, "Failed to set socket non-blocking.\n");
+  }
+  return ok;
+}
+
+// PrintErrorCallback is a callback function from OpenSSL's
+// |ERR_print_errors_cb| that writes errors to a given |FILE*|.
+int PrintErrorCallback(const char *str, size_t len, void *ctx) {
+  fwrite(str, len, 1, reinterpret_cast<FILE*>(ctx));
+  return 1;
+}
+
+bool TransferData(SSL *ssl, int sock) {
+  bool stdin_open = true;
+
+  fd_set read_fds;
+  FD_ZERO(&read_fds);
+
+  if (!SocketSetNonBlocking(sock, true)) {
+    return false;
+  }
+
+  for (;;) {
+    if (stdin_open) {
+      FD_SET(0, &read_fds);
+    }
+    FD_SET(sock, &read_fds);
+
+    int ret = select(sock + 1, &read_fds, NULL, NULL, NULL);
+    if (ret <= 0) {
+      perror("select");
+      return false;
+    }
+
+    if (FD_ISSET(0, &read_fds)) {
+      uint8_t buffer[512];
+      ssize_t n;
+
+      do {
+        n = read(0, buffer, sizeof(buffer));
+      } while (n == -1 && errno == EINTR);
+
+      if (n == 0) {
+        FD_CLR(0, &read_fds);
+        stdin_open = false;
+#if !defined(OPENSSL_WINDOWS)
+        shutdown(sock, SHUT_WR);
+#else
+        shutdown(sock, SD_SEND);
+#endif
+        continue;
+      } else if (n < 0) {
+        perror("read from stdin");
+        return false;
+      }
+
+      if (!SocketSetNonBlocking(sock, false)) {
+        return false;
+      }
+      int ssl_ret = SSL_write(ssl, buffer, n);
+      if (!SocketSetNonBlocking(sock, true)) {
+        return false;
+      }
+
+      if (ssl_ret <= 0) {
+        int ssl_err = SSL_get_error(ssl, ssl_ret);
+        fprintf(stderr, "Error while writing: %d\n", ssl_err);
+        ERR_print_errors_cb(PrintErrorCallback, stderr);
+        return false;
+      } else if (ssl_ret != n) {
+        fprintf(stderr, "Short write from SSL_write.\n");
+        return false;
+      }
+    }
+
+    if (FD_ISSET(sock, &read_fds)) {
+      uint8_t buffer[512];
+      int ssl_ret = SSL_read(ssl, buffer, sizeof(buffer));
+
+      if (ssl_ret < 0) {
+        int ssl_err = SSL_get_error(ssl, ssl_ret);
+        if (ssl_err == SSL_ERROR_WANT_READ) {
+          continue;
+        }
+        fprintf(stderr, "Error while reading: %d\n", ssl_err);
+        ERR_print_errors_cb(PrintErrorCallback, stderr);
+        return false;
+      } else if (ssl_ret == 0) {
+        return true;
+      }
+
+      ssize_t n;
+      do {
+        n = write(1, buffer, ssl_ret);
+      } while (n == -1 && errno == EINTR);
+
+      if (n != ssl_ret) {
+        fprintf(stderr, "Short write to stderr.\n");
+        return false;
+      }
+    }
+  }
+}