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-rw-r--r--.clang-format9
-rw-r--r--.travis.yml3
-rw-r--r--CMakeLists.txt16
-rw-r--r--debian/control1
-rw-r--r--doc/apt.conf.5.xml9
-rw-r--r--doc/examples/configure-index2
-rwxr-xr-xgit-clang-format.sh2
-rw-r--r--methods/CMakeLists.txt26
-rw-r--r--methods/connect.cc438
-rw-r--r--methods/connect.h35
-rw-r--r--methods/ftp.cc27
-rw-r--r--methods/ftp.h7
-rw-r--r--methods/http.cc260
-rw-r--r--methods/http.h10
-rw-r--r--methods/http_main.cc2
-rw-r--r--po/CMakeLists.txt8
-rw-r--r--shippable.yml2
-rwxr-xr-xtest/integration/test-apt-https-no-redirect10
-rwxr-xr-xtest/integration/test-apt-update-failure-propagation6
19 files changed, 601 insertions, 272 deletions
diff --git a/.clang-format b/.clang-format
new file mode 100644
index 000000000..00edbfc92
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,9 @@
+Language: Cpp
+# BasedOnStyle
+
+TabWidth: 8
+UseTab: Always
+IndentWidth: 3
+ColumnLimit: 0
+BreakBeforeBraces: Allman
+AccessModifierOffset: 0
diff --git a/.travis.yml b/.travis.yml
index 023107a68..8aa8dceb6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ sudo: required
dist: trusty
env:
- TEST_SUITE=user CMAKE_FLAGS=
+ - TEST_SUITE=user CMAKE_FLAGS="-DWITH_DOC=OFF -DWITH_CURL=OFF"
- TEST_SUITE=root CMAKE_FLAGS=-DWITH_DOC=OFF
before_install:
- sudo add-apt-repository 'deb http://archive.ubuntu.com/ubuntu/ wily main universe' -y
@@ -14,7 +15,7 @@ before_install:
- sudo apt-get update -qq
install:
- sudo apt-get -qq -y -t wily install gettext liblz4-dev python3-apt
- - sudo apt-get -qq -y -t xenial install cmake ninja-build
+ - sudo apt-get -qq -y -t xenial install cmake ninja-build libgnutls28-dev libcurl4-gnutls-dev
- sudo ./prepare-release travis-ci
before_script:
- ( mkdir build && cd build && cmake -DCMAKE_BUILD_TYPE=Coverage -G Ninja $CMAKE_FLAGS .. )
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 83af9bd5a..a0690923c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -77,9 +77,19 @@ endif()
# apt-transport-https dependencies
-find_package(CURL REQUIRED)
-if (CURL_FOUND)
- set(HAVE_CURL 1)
+option(WITH_CURL "Build curl-based methods" ON)
+if (WITH_CURL)
+ find_package(CURL REQUIRED)
+ if (CURL_FOUND)
+ set(HAVE_CURL 1)
+ endif()
+else()
+ set(HAVE_CURL 0)
+endif()
+
+find_package(GnuTLS REQUIRED)
+if (GNUTLS_FOUND)
+ set(HAVE_GNUTLS 1)
endif()
# (De)Compressor libraries
diff --git a/debian/control b/debian/control
index 96bbef348..04c44eb93 100644
--- a/debian/control
+++ b/debian/control
@@ -14,6 +14,7 @@ Build-Depends: cmake (>= 3.4),
dpkg-dev (>= 1.17.14),
gettext (>= 0.12),
libbz2-dev,
+ libgnutls28-dev (>= 3.4.6),
libcurl4-gnutls-dev (>= 7.19.4~),
libdb-dev,
googletest <!nocheck> | libgtest-dev <!nocheck>,
diff --git a/doc/apt.conf.5.xml b/doc/apt.conf.5.xml
index 260c66c46..54ed78c95 100644
--- a/doc/apt.conf.5.xml
+++ b/doc/apt.conf.5.xml
@@ -357,6 +357,15 @@ APT::Compressor::rev {
</para></listitem>
</varlistentry>
+ <varlistentry><term><option>AllowTLS</option></term>
+ <listitem><para>
+ Allow use of the internal TLS support in the http method. If set to false,
+ this completely disables support for TLS in apt's own methods (excluding
+ the curl-based https method). No TLS-related functions will be called
+ anymore.
+ </para></listitem>
+ </varlistentry>
+
<varlistentry><term><option>PDiffs</option></term>
<listitem><para>Try to download deltas called <literal>PDiffs</literal> for
indexes (like <filename>Packages</filename> files) instead of
diff --git a/doc/examples/configure-index b/doc/examples/configure-index
index aada67bf5..a48d4cb99 100644
--- a/doc/examples/configure-index
+++ b/doc/examples/configure-index
@@ -206,6 +206,8 @@ Acquire
Source-Symlinks "<BOOL>";
ForceHash "<STRING>"; // hashmethod used for expected hash: sha256, sha1 or md5sum
+ AllowTLS "<BOOL>"; // whether support for tls is enabled
+
PDiffs "<BOOL>"; // try to get the IndexFile diffs
PDiffs::FileLimit "<INT>"; // don't use diffs if we would need more than 4 diffs
PDiffs::SizeLimit "<INT>"; // don't use diffs if size of all patches excess X% of the size of the original file
diff --git a/git-clang-format.sh b/git-clang-format.sh
new file mode 100755
index 000000000..7cbb5ccd7
--- /dev/null
+++ b/git-clang-format.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+git clang-format-3.8 --diff "$@" | sed "s#+/\*\}\}\}\*/#+ /*}}}*/#" | patch -p1
diff --git a/methods/CMakeLists.txt b/methods/CMakeLists.txt
index a74c2ce07..9f01ec506 100644
--- a/methods/CMakeLists.txt
+++ b/methods/CMakeLists.txt
@@ -6,13 +6,18 @@ add_executable(gpgv gpgv.cc)
add_executable(cdrom cdrom.cc)
add_executable(http http.cc http_main.cc rfc2553emu.cc connect.cc basehttp.cc)
add_executable(mirror mirror.cc http.cc rfc2553emu.cc connect.cc basehttp.cc)
-add_executable(https https.cc basehttp.cc)
+if (HAVE_CURL)
+ add_executable(https https.cc basehttp.cc)
+endif()
add_executable(ftp ftp.cc rfc2553emu.cc connect.cc)
add_executable(rred rred.cc)
add_executable(rsh rsh.cc)
-# Add target-specific header directories
+target_compile_definitions(http PRIVATE ${GNUTLS_DEFINITIONS})
+target_include_directories(http PRIVATE ${GNUTLS_INCLUDE_DIR})
+if (HAVE_CURL)
target_include_directories(https PRIVATE ${CURL_INCLUDE_DIRS})
+endif()
# Link the executables against the libraries
target_link_libraries(file apt-pkg)
@@ -20,16 +25,23 @@ target_link_libraries(copy apt-pkg)
target_link_libraries(store apt-pkg)
target_link_libraries(gpgv apt-pkg)
target_link_libraries(cdrom apt-pkg)
-target_link_libraries(http apt-pkg)
-target_link_libraries(mirror apt-pkg ${RESOLV_LIBRARIES})
-target_link_libraries(https apt-pkg ${CURL_LIBRARIES})
-target_link_libraries(ftp apt-pkg)
+target_link_libraries(http apt-pkg ${GNUTLS_LIBRARIES})
+target_link_libraries(mirror apt-pkg ${RESOLV_LIBRARIES} ${GNUTLS_LIBRARIES})
+if (HAVE_CURL)
+ target_link_libraries(https apt-pkg ${CURL_LIBRARIES})
+endif()
+target_link_libraries(ftp apt-pkg ${GNUTLS_LIBRARIES})
target_link_libraries(rred apt-pkg)
target_link_libraries(rsh apt-pkg)
# Install the library
-install(TARGETS file copy store gpgv cdrom http https ftp rred rsh mirror
+install(TARGETS file copy store gpgv cdrom http ftp rred rsh mirror
RUNTIME DESTINATION ${CMAKE_INSTALL_LIBEXECDIR}/apt/methods)
add_slaves(${CMAKE_INSTALL_LIBEXECDIR}/apt/methods store gzip lzma bzip2 xz)
add_slaves(${CMAKE_INSTALL_LIBEXECDIR}/apt/methods rsh ssh)
+if (HAVE_CURL)
+ install(TARGETS https RUNTIME DESTINATION ${CMAKE_INSTALL_LIBEXECDIR}/apt/methods)
+else()
+ add_slaves(${CMAKE_INSTALL_LIBEXECDIR}/apt/methods http https)
+endif()
diff --git a/methods/connect.cc b/methods/connect.cc
index f6fb14769..0103b5873 100644
--- a/methods/connect.cc
+++ b/methods/connect.cc
@@ -20,6 +20,9 @@
#include <apt-pkg/configuration.h>
#include <apt-pkg/srvrec.h>
+#include <gnutls/gnutls.h>
+#include <gnutls/x509.h>
+
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
@@ -34,6 +37,7 @@
#include <arpa/inet.h>
#include <netdb.h>
+#include "aptmethod.h"
#include "connect.h"
#include "rfc2553emu.h"
#include <apti18n.h>
@@ -76,16 +80,46 @@ static bool ConnectionAllowed(char const * const Service, std::string const &Hos
return true;
}
/*}}}*/
+
+// File Descriptor based Fd /*{{{*/
+struct FdFd : public MethodFd
+{
+ int fd = -1;
+ int Fd() APT_OVERRIDE { return fd; }
+ ssize_t Read(void *buf, size_t count) APT_OVERRIDE { return ::read(fd, buf, count); }
+ ssize_t Write(void *buf, size_t count) APT_OVERRIDE { return ::write(fd, buf, count); }
+ int Close() APT_OVERRIDE
+ {
+ int result = 0;
+ if (fd != -1)
+ result = ::close(fd);
+ fd = -1;
+ return result;
+ }
+};
+
+bool MethodFd::HasPending()
+{
+ return false;
+}
+std::unique_ptr<MethodFd> MethodFd::FromFd(int iFd)
+{
+ FdFd *fd = new FdFd();
+ fd->fd = iFd;
+ return std::unique_ptr<MethodFd>(fd);
+}
+ /*}}}*/
// DoConnect - Attempt a connect operation /*{{{*/
// ---------------------------------------------------------------------
/* This helper function attempts a connection to a single address. */
-static bool DoConnect(struct addrinfo *Addr,std::string const &Host,
- unsigned long TimeOut,int &Fd,pkgAcqMethod *Owner)
+static bool DoConnect(struct addrinfo *Addr, std::string const &Host,
+ unsigned long TimeOut, std::unique_ptr<MethodFd> &Fd, aptMethod *Owner)
{
// Show a status indicator
char Name[NI_MAXHOST];
char Service[NI_MAXSERV];
-
+ Fd.reset(new FdFd());
+
Name[0] = 0;
Service[0] = 0;
getnameinfo(Addr->ai_addr,Addr->ai_addrlen,
@@ -107,20 +141,21 @@ static bool DoConnect(struct addrinfo *Addr,std::string const &Host,
}
// Get a socket
- if ((Fd = socket(Addr->ai_family,Addr->ai_socktype,
- Addr->ai_protocol)) < 0)
+ if ((static_cast<FdFd *>(Fd.get())->fd = socket(Addr->ai_family, Addr->ai_socktype,
+ Addr->ai_protocol)) < 0)
return _error->Errno("socket",_("Could not create a socket for %s (f=%u t=%u p=%u)"),
Name,Addr->ai_family,Addr->ai_socktype,Addr->ai_protocol);
-
- SetNonBlock(Fd,true);
- if (connect(Fd,Addr->ai_addr,Addr->ai_addrlen) < 0 &&
+
+ SetNonBlock(Fd->Fd(), true);
+ if (connect(Fd->Fd(), Addr->ai_addr, Addr->ai_addrlen) < 0 &&
errno != EINPROGRESS)
return _error->Errno("connect",_("Cannot initiate the connection "
"to %s:%s (%s)."),Host.c_str(),Service,Name);
/* This implements a timeout for connect by opening the connection
nonblocking */
- if (WaitFd(Fd,true,TimeOut) == false) {
+ if (WaitFd(Fd->Fd(), true, TimeOut) == false)
+ {
bad_addr.insert(bad_addr.begin(), std::string(Name));
Owner->SetFailReason("Timeout");
return _error->Error(_("Could not connect to %s:%s (%s), "
@@ -130,7 +165,7 @@ static bool DoConnect(struct addrinfo *Addr,std::string const &Host,
// Check the socket for an error condition
unsigned int Err;
unsigned int Len = sizeof(Err);
- if (getsockopt(Fd,SOL_SOCKET,SO_ERROR,&Err,&Len) != 0)
+ if (getsockopt(Fd->Fd(), SOL_SOCKET, SO_ERROR, &Err, &Len) != 0)
return _error->Errno("getsockopt",_("Failed"));
if (Err != 0)
@@ -150,8 +185,8 @@ static bool DoConnect(struct addrinfo *Addr,std::string const &Host,
/*}}}*/
// Connect to a given Hostname /*{{{*/
static bool ConnectToHostname(std::string const &Host, int const Port,
- const char * const Service, int DefPort, int &Fd,
- unsigned long const TimeOut, pkgAcqMethod * const Owner)
+ const char *const Service, int DefPort, std::unique_ptr<MethodFd> &Fd,
+ unsigned long const TimeOut, aptMethod *const Owner)
{
if (ConnectionAllowed(Service, Host) == false)
return false;
@@ -254,10 +289,9 @@ static bool ConnectToHostname(std::string const &Host, int const Port,
{
LastUsed = CurHost;
return true;
- }
- close(Fd);
- Fd = -1;
-
+ }
+ Fd->Close();
+
// Ignore UNIX domain sockets
do
{
@@ -286,9 +320,9 @@ static bool ConnectToHostname(std::string const &Host, int const Port,
// Connect - Connect to a server /*{{{*/
// ---------------------------------------------------------------------
/* Performs a connection to the server (including SRV record lookup) */
-bool Connect(std::string Host,int Port,const char *Service,
- int DefPort,int &Fd,
- unsigned long TimeOut,pkgAcqMethod *Owner)
+bool Connect(std::string Host, int Port, const char *Service,
+ int DefPort, std::unique_ptr<MethodFd> &Fd,
+ unsigned long TimeOut, aptMethod *Owner)
{
if (_error->PendingError() == true)
return false;
@@ -340,3 +374,369 @@ bool Connect(std::string Host,int Port,const char *Service,
_error->MergeWithStack();
return ret;
}
+ /*}}}*/
+// UnwrapSocks - Handle SOCKS setup /*{{{*/
+// ---------------------------------------------------------------------
+/* This does socks magic */
+static bool TalkToSocksProxy(int const ServerFd, std::string const &Proxy,
+ char const *const type, bool const ReadWrite, uint8_t *const ToFrom,
+ unsigned int const Size, unsigned int const Timeout)
+{
+ if (WaitFd(ServerFd, ReadWrite, Timeout) == false)
+ return _error->Error("Waiting for the SOCKS proxy %s to %s timed out", URI::SiteOnly(Proxy).c_str(), type);
+ if (ReadWrite == false)
+ {
+ if (FileFd::Read(ServerFd, ToFrom, Size) == false)
+ return _error->Error("Reading the %s from SOCKS proxy %s failed", type, URI::SiteOnly(Proxy).c_str());
+ }
+ else
+ {
+ if (FileFd::Write(ServerFd, ToFrom, Size) == false)
+ return _error->Error("Writing the %s to SOCKS proxy %s failed", type, URI::SiteOnly(Proxy).c_str());
+ }
+ return true;
+}
+
+bool UnwrapSocks(std::string Host, int Port, URI Proxy, std::unique_ptr<MethodFd> &Fd,
+ unsigned long Timeout, aptMethod *Owner)
+{
+ /* We implement a very basic SOCKS5 client here complying mostly to RFC1928 expect
+ * for not offering GSSAPI auth which is a must (we only do no or user/pass auth).
+ * We also expect the SOCKS5 server to do hostname lookup (aka socks5h) */
+ std::string const ProxyInfo = URI::SiteOnly(Proxy);
+ Owner->Status(_("Connecting to %s (%s)"), "SOCKS5h proxy", ProxyInfo.c_str());
+#define APT_WriteOrFail(TYPE, DATA, LENGTH) \
+ if (TalkToSocksProxy(Fd->Fd(), ProxyInfo, TYPE, true, DATA, LENGTH, Timeout) == false) \
+ return false
+#define APT_ReadOrFail(TYPE, DATA, LENGTH) \
+ if (TalkToSocksProxy(Fd->Fd(), ProxyInfo, TYPE, false, DATA, LENGTH, Timeout) == false) \
+ return false
+ if (Host.length() > 255)
+ return _error->Error("Can't use SOCKS5h as hostname %s is too long!", Host.c_str());
+ if (Proxy.User.length() > 255 || Proxy.Password.length() > 255)
+ return _error->Error("Can't use user&pass auth as they are too long (%lu and %lu) for the SOCKS5!", Proxy.User.length(), Proxy.Password.length());
+ if (Proxy.User.empty())
+ {
+ uint8_t greeting[] = {0x05, 0x01, 0x00};
+ APT_WriteOrFail("greet-1", greeting, sizeof(greeting));
+ }
+ else
+ {
+ uint8_t greeting[] = {0x05, 0x02, 0x00, 0x02};
+ APT_WriteOrFail("greet-2", greeting, sizeof(greeting));
+ }
+ uint8_t greeting[2];
+ APT_ReadOrFail("greet back", greeting, sizeof(greeting));
+ if (greeting[0] != 0x05)
+ return _error->Error("SOCKS proxy %s greets back with wrong version: %d", ProxyInfo.c_str(), greeting[0]);
+ if (greeting[1] == 0x00)
+ ; // no auth has no method-dependent sub-negotiations
+ else if (greeting[1] == 0x02)
+ {
+ if (Proxy.User.empty())
+ return _error->Error("SOCKS proxy %s negotiated user&pass auth, but we had not offered it!", ProxyInfo.c_str());
+ // user&pass auth sub-negotiations are defined by RFC1929
+ std::vector<uint8_t> auth = {{0x01, static_cast<uint8_t>(Proxy.User.length())}};
+ std::copy(Proxy.User.begin(), Proxy.User.end(), std::back_inserter(auth));
+ auth.push_back(static_cast<uint8_t>(Proxy.Password.length()));
+ std::copy(Proxy.Password.begin(), Proxy.Password.end(), std::back_inserter(auth));
+ APT_WriteOrFail("user&pass auth", auth.data(), auth.size());
+ uint8_t authstatus[2];
+ APT_ReadOrFail("auth report", authstatus, sizeof(authstatus));
+ if (authstatus[0] != 0x01)
+ return _error->Error("SOCKS proxy %s auth status response with wrong version: %d", ProxyInfo.c_str(), authstatus[0]);
+ if (authstatus[1] != 0x00)
+ return _error->Error("SOCKS proxy %s reported authorization failure: username or password incorrect? (%d)", ProxyInfo.c_str(), authstatus[1]);
+ }
+ else
+ return _error->Error("SOCKS proxy %s greets back having not found a common authorization method: %d", ProxyInfo.c_str(), greeting[1]);
+ union {
+ uint16_t *i;
+ uint8_t *b;
+ } portu;
+ uint16_t port = htons(static_cast<uint16_t>(Port));
+ portu.i = &port;
+ std::vector<uint8_t> request = {{0x05, 0x01, 0x00, 0x03, static_cast<uint8_t>(Host.length())}};
+ std::copy(Host.begin(), Host.end(), std::back_inserter(request));
+ request.push_back(portu.b[0]);
+ request.push_back(portu.b[1]);
+ APT_WriteOrFail("request", request.data(), request.size());
+ uint8_t response[4];
+ APT_ReadOrFail("first part of response", response, sizeof(response));
+ if (response[0] != 0x05)
+ return _error->Error("SOCKS proxy %s response with wrong version: %d", ProxyInfo.c_str(), response[0]);
+ if (response[2] != 0x00)
+ return _error->Error("SOCKS proxy %s has unexpected non-zero reserved field value: %d", ProxyInfo.c_str(), response[2]);
+ std::string bindaddr;
+ if (response[3] == 0x01) // IPv4 address
+ {
+ uint8_t ip4port[6];
+ APT_ReadOrFail("IPv4+Port of response", ip4port, sizeof(ip4port));
+ portu.b[0] = ip4port[4];
+ portu.b[1] = ip4port[5];
+ port = ntohs(*portu.i);
+ strprintf(bindaddr, "%d.%d.%d.%d:%d", ip4port[0], ip4port[1], ip4port[2], ip4port[3], port);
+ }
+ else if (response[3] == 0x03) // hostname
+ {
+ uint8_t namelength;
+ APT_ReadOrFail("hostname length of response", &namelength, 1);
+ uint8_t hostname[namelength + 2];
+ APT_ReadOrFail("hostname of response", hostname, sizeof(hostname));
+ portu.b[0] = hostname[namelength];
+ portu.b[1] = hostname[namelength + 1];
+ port = ntohs(*portu.i);
+ hostname[namelength] = '\0';
+ strprintf(bindaddr, "%s:%d", hostname, port);
+ }
+ else if (response[3] == 0x04) // IPv6 address
+ {
+ uint8_t ip6port[18];
+ APT_ReadOrFail("IPv6+port of response", ip6port, sizeof(ip6port));
+ portu.b[0] = ip6port[16];
+ portu.b[1] = ip6port[17];
+ port = ntohs(*portu.i);
+ strprintf(bindaddr, "[%02X%02X:%02X%02X:%02X%02X:%02X%02X:%02X%02X:%02X%02X:%02X%02X:%02X%02X]:%d",
+ ip6port[0], ip6port[1], ip6port[2], ip6port[3], ip6port[4], ip6port[5], ip6port[6], ip6port[7],
+ ip6port[8], ip6port[9], ip6port[10], ip6port[11], ip6port[12], ip6port[13], ip6port[14], ip6port[15],
+ port);
+ }
+ else
+ return _error->Error("SOCKS proxy %s destination address is of unknown type: %d",
+ ProxyInfo.c_str(), response[3]);
+ if (response[1] != 0x00)
+ {
+ char const *errstr = nullptr;
+ auto errcode = response[1];
+ // Tor error reporting can be a bit arcane, lets try to detect & fix it up
+ if (bindaddr == "0.0.0.0:0")
+ {
+ auto const lastdot = Host.rfind('.');
+ if (lastdot == std::string::npos || Host.substr(lastdot) != ".onion")
+ ;
+ else if (errcode == 0x01)
+ {
+ auto const prevdot = Host.rfind('.', lastdot - 1);
+ if (lastdot == 16 && prevdot == std::string::npos)
+ ; // valid .onion address
+ else if (prevdot != std::string::npos && (lastdot - prevdot) == 17)
+ ; // valid .onion address with subdomain(s)
+ else
+ {
+ errstr = "Invalid hostname: onion service name must be 16 characters long";
+ Owner->SetFailReason("SOCKS");
+ }
+ }
+ // in all likelihood the service is either down or the address has
+ // a typo and so "Host unreachable" is the better understood error
+ // compared to the technically correct "TLL expired".
+ else if (errcode == 0x06)
+ errcode = 0x04;
+ }
+ if (errstr == nullptr)
+ {
+ switch (errcode)
+ {
+ case 0x01:
+ errstr = "general SOCKS server failure";
+ Owner->SetFailReason("SOCKS");
+ break;
+ case 0x02:
+ errstr = "connection not allowed by ruleset";
+ Owner->SetFailReason("SOCKS");
+ break;
+ case 0x03:
+ errstr = "Network unreachable";
+ Owner->SetFailReason("ConnectionTimedOut");
+ break;
+ case 0x04:
+ errstr = "Host unreachable";
+ Owner->SetFailReason("ConnectionTimedOut");
+ break;
+ case 0x05:
+ errstr = "Connection refused";
+ Owner->SetFailReason("ConnectionRefused");
+ break;
+ case 0x06:
+ errstr = "TTL expired";
+ Owner->SetFailReason("Timeout");
+ break;
+ case 0x07:
+ errstr = "Command not supported";
+ Owner->SetFailReason("SOCKS");
+ break;
+ case 0x08:
+ errstr = "Address type not supported";
+ Owner->SetFailReason("SOCKS");
+ break;
+ default:
+ errstr = "Unknown error";
+ Owner->SetFailReason("SOCKS");
+ break;
+ }
+ }
+ return _error->Error("SOCKS proxy %s could not connect to %s (%s) due to: %s (%d)",
+ ProxyInfo.c_str(), Host.c_str(), bindaddr.c_str(), errstr, response[1]);
+ }
+ else if (Owner->DebugEnabled())
+ ioprintf(std::clog, "http: SOCKS proxy %s connection established to %s (%s)\n",
+ ProxyInfo.c_str(), Host.c_str(), bindaddr.c_str());
+
+ if (WaitFd(Fd->Fd(), true, Timeout) == false)
+ return _error->Error("SOCKS proxy %s reported connection to %s (%s), but timed out",
+ ProxyInfo.c_str(), Host.c_str(), bindaddr.c_str());
+#undef APT_ReadOrFail
+#undef APT_WriteOrFail
+
+ return true;
+}
+ /*}}}*/
+// UnwrapTLS - Handle TLS connections /*{{{*/
+// ---------------------------------------------------------------------
+/* Performs a TLS handshake on the socket */
+struct TlsFd : public MethodFd
+{
+ std::unique_ptr<MethodFd> UnderlyingFd;
+ gnutls_session_t session;
+ gnutls_certificate_credentials_t credentials;
+ std::string hostname;
+
+ int Fd() APT_OVERRIDE { return UnderlyingFd->Fd(); }
+
+ ssize_t Read(void *buf, size_t count) APT_OVERRIDE
+ {
+ return HandleError(gnutls_record_recv(session, buf, count));
+ }
+ ssize_t Write(void *buf, size_t count) APT_OVERRIDE
+ {
+ return HandleError(gnutls_record_send(session, buf, count));
+ }
+
+ template <typename T>
+ T HandleError(T err)
+ {
+ if (err < 0 && gnutls_error_is_fatal(err))
+ errno = EIO;
+ else if (err < 0)
+ errno = EAGAIN;
+ else
+ errno = 0;
+ return err;
+ }
+
+ int Close() APT_OVERRIDE
+ {
+ if (HandleError(gnutls_bye(session, GNUTLS_SHUT_RDWR)) < 0)
+ return -1;
+ return UnderlyingFd->Close();
+ }
+
+ bool HasPending() APT_OVERRIDE
+ {
+ return gnutls_record_check_pending(session) > 0;
+ }
+};
+
+bool UnwrapTLS(std::string Host, std::unique_ptr<MethodFd> &Fd,
+ unsigned long Timeout, aptMethod *Owner)
+{
+ if (_config->FindB("Acquire::AllowTLS", true) == false)
+ return _error->Error("TLS support has been disabled: Acquire::AllowTLS is false.");
+
+ int err;
+ TlsFd *tlsFd = new TlsFd();
+
+ tlsFd->hostname = Host;
+ tlsFd->UnderlyingFd = MethodFd::FromFd(-1); // For now
+
+ gnutls_init(&tlsFd->session, GNUTLS_CLIENT | GNUTLS_NONBLOCK);
+ gnutls_transport_set_int(tlsFd->session, dynamic_cast<FdFd *>(Fd.get())->fd);
+ gnutls_certificate_allocate_credentials(&tlsFd->credentials);
+
+ // Credential setup
+ if ((err = gnutls_certificate_set_x509_system_trust(tlsFd->credentials)) <= 0)
+ return _error->Error("Could not load TLS certificates: %s", gnutls_strerror(err));
+
+ std::string fileinfo = Owner->ConfigFind("CaInfo", "");
+ if (!fileinfo.empty())
+ {
+ gnutls_certificate_set_verify_flags(tlsFd->credentials, GNUTLS_VERIFY_ALLOW_X509_V1_CA_CRT);
+ err = gnutls_certificate_set_x509_trust_file(tlsFd->credentials, fileinfo.c_str(), GNUTLS_X509_FMT_PEM);
+ if (err < 0)
+ return _error->Error("Could not load CaInfo certificate: %s", gnutls_strerror(err));
+ }
+
+ // TODO: IssuerCert AKA CURLOPT_ISSUERCERT
+ // TODO: Emulate SslForceVersion AKA CURLOPT_SSLVERSION?
+
+ // For client authentication, certificate file ...
+ std::string const cert = Owner->ConfigFind("SslCert", "");
+ std::string const key = Owner->ConfigFind("SslKey", "");
+ if (cert.empty() == false)
+ {
+ if ((err = gnutls_certificate_set_x509_key_file(
+ tlsFd->credentials,
+ cert.c_str(),
+ key.empty() ? cert.c_str() : key.c_str(),
+ GNUTLS_X509_FMT_PEM)) < 0)
+ {
+ return _error->Error("Could not load client certificate or key: %s", gnutls_strerror(err));
+ }
+ }
+
+ // CRL file
+ std::string const crlfile = Owner->ConfigFind("CrlFile", "");
+ if (crlfile.empty() == false)
+ {
+ if ((err = gnutls_certificate_set_x509_crl_file(tlsFd->credentials,
+ crlfile.c_str(),
+ GNUTLS_X509_FMT_PEM)) < 0)
+ return _error->Error("Could not load CrlFile: %s", gnutls_strerror(err));
+ }
+
+ if ((err = gnutls_credentials_set(tlsFd->session, GNUTLS_CRD_CERTIFICATE, tlsFd->credentials)) < 0)
+ return _error->Error("Could not set CaInfo certificate: %s", gnutls_strerror(err));
+
+ if ((err = gnutls_set_default_priority(tlsFd->session)) < 0)
+ return _error->Error("Could not set algorithm preferences: %s", gnutls_strerror(err));
+
+ if (Owner->ConfigFindB("Verify-Peer", true) || Owner->ConfigFindB("Verify-Host", true))
+ {
+ gnutls_session_set_verify_cert(tlsFd->session, tlsFd->hostname.c_str(), 0);
+ }
+ if ((err = gnutls_server_name_set(tlsFd->session, GNUTLS_NAME_DNS, tlsFd->hostname.c_str(), tlsFd->hostname.length())) < 0)
+ return _error->Error("Could not set SNI name: %s", gnutls_strerror(err));
+
+ // Do the handshake. Our socket is non-blocking, so we need to call WaitFd()
+ // accordingly.
+ do
+ {
+ err = gnutls_handshake(tlsFd->session);
+ if ((err == GNUTLS_E_INTERRUPTED || err == GNUTLS_E_AGAIN) &&
+ WaitFd(Fd->Fd(), gnutls_record_get_direction(tlsFd->session) == 1, Timeout) == false)
+ return _error->Errno("select", "Could not wait for server fd");
+ } while (err < 0 && gnutls_error_is_fatal(err) == 0);
+
+ if (err < 0)
+ {
+ // Print reason why validation failed.
+ if (err == GNUTLS_E_CERTIFICATE_VERIFICATION_ERROR)
+ {
+ gnutls_datum_t txt;
+ auto type = gnutls_certificate_type_get(tlsFd->session);
+ auto status = gnutls_session_get_verify_cert_status(tlsFd->session);
+ if (gnutls_certificate_verification_status_print(status,
+ type, &txt, 0) == 0)
+ {
+ _error->Error("Certificate verification failed: %s", txt.data);
+ }
+ gnutls_free(txt.data);
+ }
+ return _error->Error("Could not handshake: %s", gnutls_strerror(err));
+ }
+
+ tlsFd->UnderlyingFd = std::move(Fd);
+ Fd.reset(tlsFd);
+ return true;
+}
+ /*}}}*/
diff --git a/methods/connect.h b/methods/connect.h
index bbe1bb35d..4456d660d 100644
--- a/methods/connect.h
+++ b/methods/connect.h
@@ -10,12 +10,41 @@
#ifndef CONNECT_H
#define CONNECT_H
+#include <memory>
+#include <stddef.h>
#include <string>
-class pkgAcqMethod;
+class aptMethod;
+
+/**
+ * \brief Small representation of a file descriptor for network traffic.
+ *
+ * This provides support for TLS, SOCKS, and HTTP CONNECT proxies.
+ */
+struct MethodFd
+{
+ /// \brief Returns -1 for unusable, or an fd to select() on otherwise
+ virtual int Fd() = 0;
+ /// \brief Should behave like read(2)
+ virtual ssize_t Read(void *buf, size_t count) = 0;
+ /// \brief Should behave like write(2)
+ virtual ssize_t Write(void *buf, size_t count) = 0;
+ /// \brief Closes the file descriptor. Can be called multiple times.
+ virtual int Close() = 0;
+ /// \brief Destructor
+ virtual ~MethodFd(){};
+ /// \brief Construct a MethodFd from a UNIX file descriptor
+ static std::unique_ptr<MethodFd> FromFd(int iFd);
+ /// \brief If there is pending data.
+ virtual bool HasPending();
+};
+
+bool Connect(std::string To, int Port, const char *Service, int DefPort,
+ std::unique_ptr<MethodFd> &Fd, unsigned long TimeOut, aptMethod *Owner);
+
+bool UnwrapSocks(std::string To, int Port, URI Proxy, std::unique_ptr<MethodFd> &Fd, unsigned long Timeout, aptMethod *Owner);
+bool UnwrapTLS(std::string To, std::unique_ptr<MethodFd> &Fd, unsigned long Timeout, aptMethod *Owner);
-bool Connect(std::string To,int Port,const char *Service,int DefPort,
- int &Fd,unsigned long TimeOut,pkgAcqMethod *Owner);
void RotateDNS();
#endif
diff --git a/methods/ftp.cc b/methods/ftp.cc
index d789637a8..f4986f648 100644
--- a/methods/ftp.cc
+++ b/methods/ftp.cc
@@ -73,8 +73,8 @@ time_t FtpMethod::FailTime = 0;
// FTPConn::FTPConn - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* */
-FTPConn::FTPConn(URI Srv) : Len(0), ServerFd(-1), DataFd(-1),
- DataListenFd(-1), ServerName(Srv),
+FTPConn::FTPConn(URI Srv) : Len(0), ServerFd(MethodFd::FromFd(-1)), DataFd(-1),
+ DataListenFd(-1), ServerName(Srv),
ForceExtended(false), TryPassive(true),
PeerAddrLen(0), ServerAddrLen(0)
{
@@ -96,8 +96,7 @@ FTPConn::~FTPConn()
/* Just tear down the socket and data socket */
void FTPConn::Close()
{
- close(ServerFd);
- ServerFd = -1;
+ ServerFd->Close();
close(DataFd);
DataFd = -1;
close(DataListenFd);
@@ -112,10 +111,10 @@ void FTPConn::Close()
// ---------------------------------------------------------------------
/* Connect to the server using a non-blocking connection and perform a
login. */
-bool FTPConn::Open(pkgAcqMethod *Owner)
+bool FTPConn::Open(aptMethod *Owner)
{
// Use the already open connection if possible.
- if (ServerFd != -1)
+ if (ServerFd->Fd() != -1)
return true;
Close();
@@ -178,12 +177,12 @@ bool FTPConn::Open(pkgAcqMethod *Owner)
// Get the remote server's address
PeerAddrLen = sizeof(PeerAddr);
- if (getpeername(ServerFd,(sockaddr *)&PeerAddr,&PeerAddrLen) != 0)
+ if (getpeername(ServerFd->Fd(), (sockaddr *)&PeerAddr, &PeerAddrLen) != 0)
return _error->Errno("getpeername",_("Unable to determine the peer name"));
// Get the local machine's address
ServerAddrLen = sizeof(ServerAddr);
- if (getsockname(ServerFd,(sockaddr *)&ServerAddr,&ServerAddrLen) != 0)
+ if (getsockname(ServerFd->Fd(), (sockaddr *)&ServerAddr, &ServerAddrLen) != 0)
return _error->Errno("getsockname",_("Unable to determine the local name"));
return Res;
@@ -314,7 +313,7 @@ bool FTPConn::Login()
/* This performs a very simple buffered read. */
bool FTPConn::ReadLine(string &Text)
{
- if (ServerFd == -1)
+ if (ServerFd->Fd() == -1)
return false;
// Suck in a line
@@ -339,14 +338,14 @@ bool FTPConn::ReadLine(string &Text)
}
// Wait for some data..
- if (WaitFd(ServerFd,false,TimeOut) == false)
+ if (WaitFd(ServerFd->Fd(), false, TimeOut) == false)
{
Close();
return _error->Error(_("Connection timeout"));
}
// Suck it back
- int Res = read(ServerFd,Buffer + Len,sizeof(Buffer) - Len);
+ int Res = ServerFd->Read(Buffer + Len, sizeof(Buffer) - Len);
if (Res == 0)
_error->Error(_("Server closed the connection"));
if (Res <= 0)
@@ -451,13 +450,13 @@ bool FTPConn::WriteMsg(unsigned int &Ret,string &Text,const char *Fmt,...)
unsigned long Start = 0;
while (Len != 0)
{
- if (WaitFd(ServerFd,true,TimeOut) == false)
+ if (WaitFd(ServerFd->Fd(), true, TimeOut) == false)
{
Close();
return _error->Error(_("Connection timeout"));
}
-
- int Res = write(ServerFd,S + Start,Len);
+
+ int Res = ServerFd->Write(S + Start, Len);
if (Res <= 0)
{
_error->Errno("write",_("Write error"));
diff --git a/methods/ftp.h b/methods/ftp.h
index 6a12475a0..5b23dba41 100644
--- a/methods/ftp.h
+++ b/methods/ftp.h
@@ -10,8 +10,9 @@
#ifndef APT_FTP_H
#define APT_FTP_H
-#include <apt-pkg/strutl.h>
#include "aptmethod.h"
+#include "connect.h"
+#include <apt-pkg/strutl.h>
#include <sys/socket.h>
#include <sys/types.h>
@@ -22,7 +23,7 @@ class FTPConn
{
char Buffer[1024*10];
unsigned long Len;
- int ServerFd;
+ std::unique_ptr<MethodFd> ServerFd;
int DataFd;
int DataListenFd;
URI ServerName;
@@ -55,7 +56,7 @@ class FTPConn
bool WriteMsg(unsigned int &Ret,std::string &Text,const char *Fmt,...);
// Connection control
- bool Open(pkgAcqMethod *Owner);
+ bool Open(aptMethod *Owner);
void Close();
bool GoPasv();
bool ExtGoPasv();
diff --git a/methods/http.cc b/methods/http.cc
index 9f5959548..b302c896d 100644
--- a/methods/http.cc
+++ b/methods/http.cc
@@ -95,7 +95,7 @@ void CircleBuf::Reset()
// ---------------------------------------------------------------------
/* This fills up the buffer with as much data as is in the FD, assuming it
is non-blocking.. */
-bool CircleBuf::Read(int Fd)
+bool CircleBuf::Read(std::unique_ptr<MethodFd> const &Fd)
{
while (1)
{
@@ -126,11 +126,11 @@ bool CircleBuf::Read(int Fd)
// Write the buffer segment
ssize_t Res;
if(CircleBuf::BwReadLimit) {
- Res = read(Fd,Buf + (InP%Size),
- BwReadMax > LeftRead() ? LeftRead() : BwReadMax);
+ Res = Fd->Read(Buf + (InP % Size),
+ BwReadMax > LeftRead() ? LeftRead() : BwReadMax);
} else
- Res = read(Fd,Buf + (InP%Size),LeftRead());
-
+ Res = Fd->Read(Buf + (InP % Size), LeftRead());
+
if(Res > 0 && BwReadLimit > 0)
CircleBuf::BwTickReadData += Res;
@@ -193,7 +193,7 @@ void CircleBuf::FillOut()
// CircleBuf::Write - Write from the buffer into a FD /*{{{*/
// ---------------------------------------------------------------------
/* This empties the buffer into the FD. */
-bool CircleBuf::Write(int Fd)
+bool CircleBuf::Write(std::unique_ptr<MethodFd> const &Fd)
{
while (1)
{
@@ -208,7 +208,7 @@ bool CircleBuf::Write(int Fd)
// Write the buffer segment
ssize_t Res;
- Res = write(Fd,Buf + (OutP%Size),LeftWrite());
+ Res = Fd->Write(Buf + (OutP % Size), LeftWrite());
if (Res == 0)
return false;
@@ -291,34 +291,17 @@ CircleBuf::~CircleBuf()
HttpServerState::HttpServerState(URI Srv,HttpMethod *Owner) : ServerState(Srv, Owner), In(Owner, 64*1024), Out(Owner, 4*1024)
{
TimeOut = Owner->ConfigFindI("Timeout", TimeOut);
+ ServerFd = MethodFd::FromFd(-1);
Reset();
}
/*}}}*/
// HttpServerState::Open - Open a connection to the server /*{{{*/
// ---------------------------------------------------------------------
/* This opens a connection to the server. */
-static bool TalkToSocksProxy(int const ServerFd, std::string const &Proxy,
- char const * const type, bool const ReadWrite, uint8_t * const ToFrom,
- unsigned int const Size, unsigned int const Timeout)
-{
- if (WaitFd(ServerFd, ReadWrite, Timeout) == false)
- return _error->Error("Waiting for the SOCKS proxy %s to %s timed out", URI::SiteOnly(Proxy).c_str(), type);
- if (ReadWrite == false)
- {
- if (FileFd::Read(ServerFd, ToFrom, Size) == false)
- return _error->Error("Reading the %s from SOCKS proxy %s failed", type, URI::SiteOnly(Proxy).c_str());
- }
- else
- {
- if (FileFd::Write(ServerFd, ToFrom, Size) == false)
- return _error->Error("Writing the %s to SOCKS proxy %s failed", type, URI::SiteOnly(Proxy).c_str());
- }
- return true;
-}
bool HttpServerState::Open()
{
// Use the already open connection if possible.
- if (ServerFd != -1)
+ if (ServerFd->Fd() != -1)
return true;
Close();
@@ -360,165 +343,15 @@ bool HttpServerState::Open()
if (Proxy.empty() == false)
Owner->AddProxyAuth(Proxy, ServerName);
+ bool tls = ServerName.Access == "https";
if (Proxy.Access == "socks5h")
{
if (Connect(Proxy.Host, Proxy.Port, "socks", 1080, ServerFd, TimeOut, Owner) == false)
return false;
- /* We implement a very basic SOCKS5 client here complying mostly to RFC1928 expect
- * for not offering GSSAPI auth which is a must (we only do no or user/pass auth).
- * We also expect the SOCKS5 server to do hostname lookup (aka socks5h) */
- std::string const ProxyInfo = URI::SiteOnly(Proxy);
- Owner->Status(_("Connecting to %s (%s)"),"SOCKS5h proxy",ProxyInfo.c_str());
- auto const Timeout = Owner->ConfigFindI("TimeOut", 120);
- #define APT_WriteOrFail(TYPE, DATA, LENGTH) if (TalkToSocksProxy(ServerFd, ProxyInfo, TYPE, true, DATA, LENGTH, Timeout) == false) return false
- #define APT_ReadOrFail(TYPE, DATA, LENGTH) if (TalkToSocksProxy(ServerFd, ProxyInfo, TYPE, false, DATA, LENGTH, Timeout) == false) return false
- if (ServerName.Host.length() > 255)
- return _error->Error("Can't use SOCKS5h as hostname %s is too long!", ServerName.Host.c_str());
- if (Proxy.User.length() > 255 || Proxy.Password.length() > 255)
- return _error->Error("Can't use user&pass auth as they are too long (%lu and %lu) for the SOCKS5!", Proxy.User.length(), Proxy.Password.length());
- if (Proxy.User.empty())
- {
- uint8_t greeting[] = { 0x05, 0x01, 0x00 };
- APT_WriteOrFail("greet-1", greeting, sizeof(greeting));
- }
- else
- {
- uint8_t greeting[] = { 0x05, 0x02, 0x00, 0x02 };
- APT_WriteOrFail("greet-2", greeting, sizeof(greeting));
- }
- uint8_t greeting[2];
- APT_ReadOrFail("greet back", greeting, sizeof(greeting));
- if (greeting[0] != 0x05)
- return _error->Error("SOCKS proxy %s greets back with wrong version: %d", ProxyInfo.c_str(), greeting[0]);
- if (greeting[1] == 0x00)
- ; // no auth has no method-dependent sub-negotiations
- else if (greeting[1] == 0x02)
- {
- if (Proxy.User.empty())
- return _error->Error("SOCKS proxy %s negotiated user&pass auth, but we had not offered it!", ProxyInfo.c_str());
- // user&pass auth sub-negotiations are defined by RFC1929
- std::vector<uint8_t> auth = {{ 0x01, static_cast<uint8_t>(Proxy.User.length()) }};
- std::copy(Proxy.User.begin(), Proxy.User.end(), std::back_inserter(auth));
- auth.push_back(static_cast<uint8_t>(Proxy.Password.length()));
- std::copy(Proxy.Password.begin(), Proxy.Password.end(), std::back_inserter(auth));
- APT_WriteOrFail("user&pass auth", auth.data(), auth.size());
- uint8_t authstatus[2];
- APT_ReadOrFail("auth report", authstatus, sizeof(authstatus));
- if (authstatus[0] != 0x01)
- return _error->Error("SOCKS proxy %s auth status response with wrong version: %d", ProxyInfo.c_str(), authstatus[0]);
- if (authstatus[1] != 0x00)
- return _error->Error("SOCKS proxy %s reported authorization failure: username or password incorrect? (%d)", ProxyInfo.c_str(), authstatus[1]);
- }
- else
- return _error->Error("SOCKS proxy %s greets back having not found a common authorization method: %d", ProxyInfo.c_str(), greeting[1]);
- union { uint16_t * i; uint8_t * b; } portu;
- uint16_t port = htons(static_cast<uint16_t>(ServerName.Port == 0 ? 80 : ServerName.Port));
- portu.i = &port;
- std::vector<uint8_t> request = {{ 0x05, 0x01, 0x00, 0x03, static_cast<uint8_t>(ServerName.Host.length()) }};
- std::copy(ServerName.Host.begin(), ServerName.Host.end(), std::back_inserter(request));
- request.push_back(portu.b[0]);
- request.push_back(portu.b[1]);
- APT_WriteOrFail("request", request.data(), request.size());
- uint8_t response[4];
- APT_ReadOrFail("first part of response", response, sizeof(response));
- if (response[0] != 0x05)
- return _error->Error("SOCKS proxy %s response with wrong version: %d", ProxyInfo.c_str(), response[0]);
- if (response[2] != 0x00)
- return _error->Error("SOCKS proxy %s has unexpected non-zero reserved field value: %d", ProxyInfo.c_str(), response[2]);
- std::string bindaddr;
- if (response[3] == 0x01) // IPv4 address
- {
- uint8_t ip4port[6];
- APT_ReadOrFail("IPv4+Port of response", ip4port, sizeof(ip4port));
- portu.b[0] = ip4port[4];
- portu.b[1] = ip4port[5];
- port = ntohs(*portu.i);
- strprintf(bindaddr, "%d.%d.%d.%d:%d", ip4port[0], ip4port[1], ip4port[2], ip4port[3], port);
- }
- else if (response[3] == 0x03) // hostname
- {
- uint8_t namelength;
- APT_ReadOrFail("hostname length of response", &namelength, 1);
- uint8_t hostname[namelength + 2];
- APT_ReadOrFail("hostname of response", hostname, sizeof(hostname));
- portu.b[0] = hostname[namelength];
- portu.b[1] = hostname[namelength + 1];
- port = ntohs(*portu.i);
- hostname[namelength] = '\0';
- strprintf(bindaddr, "%s:%d", hostname, port);
- }
- else if (response[3] == 0x04) // IPv6 address
- {
- uint8_t ip6port[18];
- APT_ReadOrFail("IPv6+port of response", ip6port, sizeof(ip6port));
- portu.b[0] = ip6port[16];
- portu.b[1] = ip6port[17];
- port = ntohs(*portu.i);
- strprintf(bindaddr, "[%02X%02X:%02X%02X:%02X%02X:%02X%02X:%02X%02X:%02X%02X:%02X%02X:%02X%02X]:%d",
- ip6port[0], ip6port[1], ip6port[2], ip6port[3], ip6port[4], ip6port[5], ip6port[6], ip6port[7],
- ip6port[8], ip6port[9], ip6port[10], ip6port[11], ip6port[12], ip6port[13], ip6port[14], ip6port[15],
- port);
- }
- else
- return _error->Error("SOCKS proxy %s destination address is of unknown type: %d",
- ProxyInfo.c_str(), response[3]);
- if (response[1] != 0x00)
- {
- char const * errstr = nullptr;
- auto errcode = response[1];
- // Tor error reporting can be a bit arcane, lets try to detect & fix it up
- if (bindaddr == "0.0.0.0:0")
- {
- auto const lastdot = ServerName.Host.rfind('.');
- if (lastdot == std::string::npos || ServerName.Host.substr(lastdot) != ".onion")
- ;
- else if (errcode == 0x01)
- {
- auto const prevdot = ServerName.Host.rfind('.', lastdot - 1);
- if (lastdot == 16 && prevdot == std::string::npos)
- ; // valid .onion address
- else if (prevdot != std::string::npos && (lastdot - prevdot) == 17)
- ; // valid .onion address with subdomain(s)
- else
- {
- errstr = "Invalid hostname: onion service name must be 16 characters long";
- Owner->SetFailReason("SOCKS");
- }
- }
- // in all likelihood the service is either down or the address has
- // a typo and so "Host unreachable" is the better understood error
- // compared to the technically correct "TLL expired".
- else if (errcode == 0x06)
- errcode = 0x04;
- }
- if (errstr == nullptr)
- {
- switch (errcode)
- {
- case 0x01: errstr = "general SOCKS server failure"; Owner->SetFailReason("SOCKS"); break;
- case 0x02: errstr = "connection not allowed by ruleset"; Owner->SetFailReason("SOCKS"); break;
- case 0x03: errstr = "Network unreachable"; Owner->SetFailReason("ConnectionTimedOut"); break;
- case 0x04: errstr = "Host unreachable"; Owner->SetFailReason("ConnectionTimedOut"); break;
- case 0x05: errstr = "Connection refused"; Owner->SetFailReason("ConnectionRefused"); break;
- case 0x06: errstr = "TTL expired"; Owner->SetFailReason("Timeout"); break;
- case 0x07: errstr = "Command not supported"; Owner->SetFailReason("SOCKS"); break;
- case 0x08: errstr = "Address type not supported"; Owner->SetFailReason("SOCKS"); break;
- default: errstr = "Unknown error"; Owner->SetFailReason("SOCKS"); break;
- }
- }
- return _error->Error("SOCKS proxy %s could not connect to %s (%s) due to: %s (%d)",
- ProxyInfo.c_str(), ServerName.Host.c_str(), bindaddr.c_str(), errstr, response[1]);
- }
- else if (Owner->DebugEnabled())
- ioprintf(std::clog, "http: SOCKS proxy %s connection established to %s (%s)\n",
- ProxyInfo.c_str(), ServerName.Host.c_str(), bindaddr.c_str());
-
- if (WaitFd(ServerFd, true, Timeout) == false)
- return _error->Error("SOCKS proxy %s reported connection to %s (%s), but timed out",
- ProxyInfo.c_str(), ServerName.Host.c_str(), bindaddr.c_str());
- #undef APT_ReadOrFail
- #undef APT_WriteOrFail
+ if (UnwrapSocks(ServerName.Host, ServerName.Port == 0 ? 80 : ServerName.Port,
+ Proxy, ServerFd, Owner->ConfigFindI("TimeOut", 120), Owner) == false)
+ return false;
}
else
{
@@ -539,8 +372,13 @@ bool HttpServerState::Open()
Port = Proxy.Port;
Host = Proxy.Host;
}
- return Connect(Host,Port,"http",80,ServerFd,TimeOut,Owner);
+ if (!Connect(Host, Port, tls ? "https" : "http", tls ? 443 : 80, ServerFd, TimeOut, Owner))
+ return false;
}
+
+ if (tls && UnwrapTLS(ServerName.Host, ServerFd, TimeOut, Owner) == false)
+ return false;
+
return true;
}
/*}}}*/
@@ -549,8 +387,7 @@ bool HttpServerState::Open()
/* */
bool HttpServerState::Close()
{
- close(ServerFd);
- ServerFd = -1;
+ ServerFd->Close();
return true;
}
/*}}}*/
@@ -672,7 +509,7 @@ bool HttpServerState::WriteResponse(const std::string &Data) /*{{{*/
/*}}}*/
APT_PURE bool HttpServerState::IsOpen() /*{{{*/
{
- return (ServerFd != -1);
+ return (ServerFd->Fd() != -1);
}
/*}}}*/
bool HttpServerState::InitHashes(HashStringList const &ExpectedHashes) /*{{{*/
@@ -685,7 +522,7 @@ bool HttpServerState::InitHashes(HashStringList const &ExpectedHashes) /*{{{*/
void HttpServerState::Reset() /*{{{*/
{
ServerState::Reset();
- ServerFd = -1;
+ ServerFd->Close();
}
/*}}}*/
@@ -710,7 +547,7 @@ bool HttpServerState::Die(RequestState &Req)
SetNonBlock(Req.File.Fd(),false);
while (In.WriteSpace() == true)
{
- if (In.Write(Req.File.Fd()) == false)
+ if (In.Write(MethodFd::FromFd(Req.File.Fd())) == false)
return _error->Errno("write",_("Error writing to the file"));
// Done
@@ -762,7 +599,7 @@ bool HttpServerState::Flush(FileFd * const File)
while (In.WriteSpace() == true)
{
- if (In.Write(File->Fd()) == false)
+ if (In.Write(MethodFd::FromFd(File->Fd())) == false)
return _error->Errno("write",_("Error writing to file"));
if (In.IsLimit() == true)
return true;
@@ -781,38 +618,45 @@ bool HttpServerState::Flush(FileFd * const File)
bool HttpServerState::Go(bool ToFile, RequestState &Req)
{
// Server has closed the connection
- if (ServerFd == -1 && (In.WriteSpace() == false ||
- ToFile == false))
+ if (ServerFd->Fd() == -1 && (In.WriteSpace() == false ||
+ ToFile == false))
return false;
-
+
+ // Handle server IO
+ if (ServerFd->HasPending() && In.ReadSpace() == true)
+ {
+ errno = 0;
+ if (In.Read(ServerFd) == false)
+ return Die(Req);
+ }
+
fd_set rfds,wfds;
FD_ZERO(&rfds);
FD_ZERO(&wfds);
/* Add the server. We only send more requests if the connection will
be persisting */
- if (Out.WriteSpace() == true && ServerFd != -1
- && Persistent == true)
- FD_SET(ServerFd,&wfds);
- if (In.ReadSpace() == true && ServerFd != -1)
- FD_SET(ServerFd,&rfds);
-
+ if (Out.WriteSpace() == true && ServerFd->Fd() != -1 && Persistent == true)
+ FD_SET(ServerFd->Fd(), &wfds);
+ if (In.ReadSpace() == true && ServerFd->Fd() != -1)
+ FD_SET(ServerFd->Fd(), &rfds);
+
// Add the file
- int FileFD = -1;
+ auto FileFD = MethodFd::FromFd(-1);
if (Req.File.IsOpen())
- FileFD = Req.File.Fd();
-
- if (In.WriteSpace() == true && ToFile == true && FileFD != -1)
- FD_SET(FileFD,&wfds);
+ FileFD = MethodFd::FromFd(Req.File.Fd());
+
+ if (In.WriteSpace() == true && ToFile == true && FileFD->Fd() != -1)
+ FD_SET(FileFD->Fd(), &wfds);
// Add stdin
if (Owner->ConfigFindB("DependOnSTDIN", true) == true)
FD_SET(STDIN_FILENO,&rfds);
// Figure out the max fd
- int MaxFd = FileFD;
- if (MaxFd < ServerFd)
- MaxFd = ServerFd;
+ int MaxFd = FileFD->Fd();
+ if (MaxFd < ServerFd->Fd())
+ MaxFd = ServerFd->Fd();
// Select
struct timeval tv;
@@ -833,14 +677,14 @@ bool HttpServerState::Go(bool ToFile, RequestState &Req)
}
// Handle server IO
- if (ServerFd != -1 && FD_ISSET(ServerFd,&rfds))
+ if (ServerFd->Fd() != -1 && FD_ISSET(ServerFd->Fd(), &rfds))
{
errno = 0;
if (In.Read(ServerFd) == false)
return Die(Req);
}
-
- if (ServerFd != -1 && FD_ISSET(ServerFd,&wfds))
+
+ if (ServerFd->Fd() != -1 && FD_ISSET(ServerFd->Fd(), &wfds))
{
errno = 0;
if (Out.Write(ServerFd) == false)
@@ -848,7 +692,7 @@ bool HttpServerState::Go(bool ToFile, RequestState &Req)
}
// Send data to the file
- if (FileFD != -1 && FD_ISSET(FileFD,&wfds))
+ if (FileFD->Fd() != -1 && FD_ISSET(FileFD->Fd(), &wfds))
{
if (In.Write(FileFD) == false)
return _error->Errno("write",_("Error writing to output file"));
diff --git a/methods/http.h b/methods/http.h
index c79a6454e..3336fb780 100644
--- a/methods/http.h
+++ b/methods/http.h
@@ -13,11 +13,13 @@
#include <apt-pkg/strutl.h>
+#include <iostream>
+#include <memory>
#include <string>
#include <sys/time.h>
-#include <iostream>
#include "basehttp.h"
+#include "connect.h"
using std::cout;
using std::endl;
@@ -66,11 +68,11 @@ class CircleBuf
unsigned long long TotalWriten;
// Read data in
- bool Read(int Fd);
+ bool Read(std::unique_ptr<MethodFd> const &Fd);
bool Read(std::string const &Data);
// Write data out
- bool Write(int Fd);
+ bool Write(std::unique_ptr<MethodFd> const &Fd);
bool WriteTillEl(std::string &Data,bool Single = false);
// Control the write limit
@@ -95,7 +97,7 @@ struct HttpServerState: public ServerState
// This is the connection itself. Output is data FROM the server
CircleBuf In;
CircleBuf Out;
- int ServerFd;
+ std::unique_ptr<MethodFd> ServerFd;
protected:
virtual bool ReadHeaderLines(std::string &Data) APT_OVERRIDE;
diff --git a/methods/http_main.cc b/methods/http_main.cc
index 1e56044b7..90a0450e2 100644
--- a/methods/http_main.cc
+++ b/methods/http_main.cc
@@ -11,7 +11,7 @@ int main(int, const char *argv[])
// closes the connection (this is dealt with via ServerDie())
signal(SIGPIPE, SIG_IGN);
std::string Binary = flNotDir(argv[0]);
- if (Binary.find('+') == std::string::npos && Binary != "http")
+ if (Binary.find('+') == std::string::npos && Binary != "https" && Binary != "http")
Binary.append("+http");
return HttpMethod(std::move(Binary)).Loop();
}
diff --git a/po/CMakeLists.txt b/po/CMakeLists.txt
index 258c9b050..2630a2f89 100644
--- a/po/CMakeLists.txt
+++ b/po/CMakeLists.txt
@@ -10,12 +10,18 @@ apt_add_translation_domain(
EXCLUDE_LANGUAGES ${languages_excluded}
)
+if (HAVE_CURL)
+ set(curl_methods https)
+else()
+ set(curl_methods)
+endif()
+
apt_add_translation_domain(
DOMAIN apt
TARGETS apt apt-cache apt-get apt-config apt-cdrom apt-helper apt-mark
apt-private
# Methods
- file copy store gpgv cdrom http https ftp rred rsh mirror
+ file copy store gpgv cdrom http ${curl_methods} ftp rred rsh mirror
SCRIPTS ../dselect/install ../dselect/update
EXCLUDE_LANGUAGES ${languages_excluded}
)
diff --git a/shippable.yml b/shippable.yml
index ad72afc80..e144d94d5 100644
--- a/shippable.yml
+++ b/shippable.yml
@@ -9,7 +9,7 @@ build:
- apt-get install -qq build-essential
- ./prepare-release travis-ci
- mkdir build
- - ( cd build && cmake .. )
+ - ( cd build && cmake -DWITH_CURL=OFF .. )
- make -C build -j 4
- CTEST_OUTPUT_ON_FAILURE=1 make -C build test
- ./test/integration/run-tests -q
diff --git a/test/integration/test-apt-https-no-redirect b/test/integration/test-apt-https-no-redirect
index d6c630d5f..05e97159c 100755
--- a/test/integration/test-apt-https-no-redirect
+++ b/test/integration/test-apt-https-no-redirect
@@ -14,7 +14,7 @@ echo 'alright' > aptarchive/working
changetohttpswebserver
webserverconfig 'aptwebserver::redirect::replace::/redirectme/' "http://localhost:${APTHTTPPORT}/"
webserverconfig 'aptwebserver::redirect::replace::/redirectme2/' "https://localhost:${APTHTTPSPORT}/"
-echo 'Dir::Bin::Methods::https+http "https";' > rootdir/etc/apt/apt.conf.d/99add-https-http-method
+echo 'Dir::Bin::Methods::https+http "http";' > rootdir/etc/apt/apt.conf.d/99add-https-http-method
msgtest 'download of a file works via' 'http'
testsuccess --nomsg downloadfile "http://localhost:${APTHTTPPORT}/working" httpfile
@@ -26,13 +26,9 @@ testfileequal httpsfile 'alright'
rm -f httpfile httpsfile
msgtest 'download of http file works via' 'https+http'
-testsuccess --nomsg downloadfile "http://localhost:${APTHTTPPORT}/working" httpfile
+testsuccess --nomsg downloadfile "https+http://localhost:${APTHTTPPORT}/working" httpfile
testfileequal httpfile 'alright'
-
-msgtest 'download of https file works via' 'https+http'
-testsuccess --nomsg downloadfile "https://localhost:${APTHTTPSPORT}/working" httpsfile
-testfileequal httpsfile 'alright'
-rm -f httpfile httpsfile
+rm -f httpfile
msgtest 'download of a file does not work if' 'https redirected to http'
testfailure --nomsg downloadfile "https://localhost:${APTHTTPSPORT}/redirectme/working" redirectfile
diff --git a/test/integration/test-apt-update-failure-propagation b/test/integration/test-apt-update-failure-propagation
index 1361b1b93..9ca6e481f 100755
--- a/test/integration/test-apt-update-failure-propagation
+++ b/test/integration/test-apt-update-failure-propagation
@@ -100,7 +100,13 @@ for FILE in rootdir/etc/apt/sources.list.d/*-stable-* ; do
sed -i -e "s#:${APTHTTPSPORT}/#:666/#" "$FILE"
done
testwarning aptget update -o Dir::Bin::Methods::https="${OLDMETHODS}/https"
+if grep -q WITH_CURL:BOOL=OFF $PROJECT_BINARY_DIR/CMakeCache.txt; then
+testequalor2 "W: Failed to fetch https://localhost:666/dists/stable/InRelease Failed to connect to localhost port 666: Connection refused
+W: Some index files failed to download. They have been ignored, or old ones used instead." "W: Failed to fetch https://localhost:666/dists/stable/InRelease Could not connect to localhost:666 (127.0.0.1). - connect (111: Connection refused)
+W: Some index files failed to download. They have been ignored, or old ones used instead." tail -n 2 rootdir/tmp/testwarning.output
+else
testequalor2 "W: Failed to fetch https://localhost:666/dists/stable/InRelease Failed to connect to localhost port 666: Connection refused
W: Some index files failed to download. They have been ignored, or old ones used instead." "W: Failed to fetch https://localhost:666/dists/stable/InRelease couldn't connect to host
W: Some index files failed to download. They have been ignored, or old ones used instead." tail -n 2 rootdir/tmp/testwarning.output
+fi
posttest
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-01 23:21:13 +0000