diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml new file mode 100644 index 0000000000000000000000000000000000000000..37e068b1f0f0d36dad8a9b0259356468ab32d56b --- /dev/null +++ b/.gitlab-ci.yml @@ -0,0 +1,18 @@ +stages: + - update-from-upstream + +include: + - project: 'e/templates' + ref: master + file: '/gitlab-ci/.gitlab-ci-import-updates-from-upstream.yml' + +s: + script: + - 'which xmlstarlet || ( apt-get update -y && apt-get install xmlstarlet -y )' + - git remote add aosp $AOSP_URL + - git fetch aosp + - git checkout $CI_COMMIT_REF_NAME + - git merge $(curl -s https://gitlab.e.foundation/e/os/android/-/raw/$CI_COMMIT_REF_NAME/default.xml | xmlstarlet sel -T -t -m '/manifest/remote[@name="aosp"]/@revision' -v . | awk -F '/' '{print $NF}') + - git push + variables: + AOSP_URL: https://android.googlesource.com/platform/packages/modules/DnsResolver/ diff --git a/getaddrinfo.cpp b/getaddrinfo.cpp index 23e7e44d8b6c2adfa1733916a00561d8b19d065d..e59bb068deb6508869edce9a1981d646352f08bc 100644 --- a/getaddrinfo.cpp +++ b/getaddrinfo.cpp @@ -3,6 +3,7 @@ /* * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. + * Copyright (C) 2021 ECORP * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -319,6 +320,66 @@ int validateHints(const addrinfo* _Nonnull hints) { } // namespace +int shouldBlockRequest(const char* hostname, int uid){ + int sock, len; + struct sockaddr_un server; + char message[1000], server_reply[2000]; + + //Create socket + sock = socket(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0); + if (sock == -1) { + LOG(DEBUG) << "Socket: Could not create socket"; + } + LOG(DEBUG) << "Socket: created"; + + char const* name = "foundation.e.advancedprivacy"; + int nameLen = strlen(name); + server.sun_path[0] = '\0'; /* abstract namespace */ + strncpy(server.sun_path + 1, name, nameLen); + server.sun_family = AF_UNIX; + len = 1 + nameLen + offsetof(struct sockaddr_un, sun_path); + + //Connect to remote server + if (connect(sock, (struct sockaddr *)&server, len) < 0) { + LOG(DEBUG) << "Socket: connect failed. Error"; + close(sock); + return 0; + } + + LOG(DEBUG) << "Socket: Connected"; + + //keep communicating with server + snprintf(message, sizeof(message), "%s,%d", hostname, uid); + + //Send some data + if(send(sock, message, strlen(message), 0) < 0) { + LOG(DEBUG) << "Socket: Send failed"; + close(sock); + return 0; + } + shutdown(sock, SHUT_WR); + //Receive a reply from the server + if (recv(sock, server_reply, 2000, 0) < 0) { + LOG(DEBUG) << "Socket:recv failed"; + close(sock); + return 0; + } + + LOG(DEBUG) << "Socket: Server reply : " << server_reply; + if (strncmp(server_reply, "pass", 4) == 0) { + LOG(DEBUG) << "Socket: Shouldn't block"; + close(sock); + return 0; + } else { + LOG(DEBUG) << "Socket: should block"; + close(sock); + return 1; + } + close(sock); + return 0; + +} + int android_getaddrinfofornetcontext(const char* hostname, const char* servname, const addrinfo* hints, const android_net_context* netcontext, addrinfo** res, NetworkDnsEventReported* event) { @@ -412,6 +473,12 @@ int resolv_getaddrinfo(const char* _Nonnull hostname, const char* servname, cons if (hostname == nullptr && servname == nullptr) return EAI_NONAME; if (hostname == nullptr) return EAI_NODATA; + if (shouldBlockRequest(hostname, netcontext->uid)) { + char* dest = new char[10]; + strncpy(dest, "localhost", strlen("localhost")); + hostname = dest; + } + // servname is allowed to be nullptr // hints is allowed to be nullptr assert(res != nullptr);