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#include <sys/socket.h>
#include <sys/un.h>
#include <iostream>
#include <sstream>
#include "abrtlib.h"
#include "CommLayerInner.h"
#include "ABRTException.h"
#include "CrashTypesSocket.h"
#include "CrashWatcher.h"
#include "CommLayerServerSocket.h"
void CCommLayerServerSocket::Send(const std::string& pData, GIOChannel *pDestination)
{
ssize_t ret = -1;
gsize len = pData.length();
int offset = 0;
GError *err = NULL;
gchar* message = new gchar[len + 3];
memcpy(message, pData.c_str(), len);
message[len] = MESSAGE_END_MARKER;
message[len + 1] = '\n';
message[len + 2] = '\0';
len = 0;
while (len != strlen(message + offset))
{
offset += len;
ret = g_io_channel_write_chars(pDestination, message + offset, strlen(message + offset), &len, &err);
if (ret == G_IO_STATUS_ERROR)
{
warn_client("Error during sending data.");
}
}
g_io_channel_flush(pDestination, &err);
delete[] message;
}
std::string CCommLayerServerSocket::GetSenderUID(int pSenderSocket)
{
struct ucred creds;
socklen_t len = sizeof(creds);
if (getsockopt(pSenderSocket, SOL_SOCKET, SO_PEERCRED, &creds, &len) == -1)
{
throw CABRTException(EXCEP_ERROR, "CCommLayerServerSocket::GetSenderUID(): Error can get sender uid.");
}
std::stringstream ss;
ss << creds.uid;
return ss.str();
}
gboolean CCommLayerServerSocket::client_socket_cb(GIOChannel *source, GIOCondition condition, gpointer data)
{
CCommLayerServerSocket* serverSocket = static_cast<CCommLayerServerSocket*>(data);
std::string senderUID = serverSocket->GetSenderUID(g_io_channel_unix_get_fd(source));
gchar buff[1];
gsize len;
GIOStatus ret;
GError *err = NULL;
bool receivingMessage = true;
std::string message = "";
if (condition & G_IO_HUP ||
condition & G_IO_ERR ||
condition & G_IO_NVAL)
{
log("Socket client disconnected");
g_io_channel_unref(serverSocket->m_mapClientChannels[g_io_channel_unix_get_fd(source)]);
serverSocket->m_mapClientChannels.erase(g_io_channel_unix_get_fd(source));
return FALSE;
}
// TODO: rewrite this
while (receivingMessage)
{
ret = g_io_channel_read_chars(source, buff, 1, &len, &err);
if (ret == G_IO_STATUS_ERROR)
{
warn_client(std::string("Error while reading data from client socket: ") + err->message);
return FALSE;
}
message += buff[0];
if (message.length() > 2 &&
message[message.length() - 2] == MESSAGE_END_MARKER &&
message[message.length() - 1] == '\n')
{
receivingMessage = false;
message = message.substr(0, message.length() - 2);
}
}
serverSocket->ProcessMessage(message, source);
return TRUE;
}
gboolean CCommLayerServerSocket::server_socket_cb(GIOChannel *source, GIOCondition condition, gpointer data)
{
CCommLayerServerSocket* serverSocket = static_cast<CCommLayerServerSocket*>(data);
int socket;
struct sockaddr_un remote;
socklen_t len = sizeof(remote);
if (condition & G_IO_HUP ||
condition & G_IO_ERR ||
condition & G_IO_NVAL)
{
warn_client("Server socket error.");
return FALSE;
}
if ((socket = accept(serverSocket->m_nSocket, (struct sockaddr *)&remote, &len)) == -1)
{
warn_client("Server can not accept client.");
return TRUE;
}
log("New socket client connected");
GIOChannel* gSocket = g_io_channel_unix_new(socket);
if (!g_io_add_watch(gSocket,
static_cast<GIOCondition>(G_IO_IN |G_IO_PRI| G_IO_ERR | G_IO_HUP | G_IO_NVAL),
static_cast<GIOFunc>(client_socket_cb),
data))
{
warn_client("Can not init g_io_channel.");
return TRUE;
}
serverSocket->m_mapClientChannels[socket] = gSocket;
return TRUE;
}
void CCommLayerServerSocket::ProcessMessage(const std::string& pMessage, GIOChannel *pSource)
{
std::string UID = GetSenderUID(g_io_channel_unix_get_fd(pSource));
if (!strncmp(pMessage.c_str(), MESSAGE_GET_CRASH_INFOS, sizeof(MESSAGE_GET_CRASH_INFOS) - 1))
{
vector_crash_infos_t crashInfos = GetCrashInfos(UID);
std::string message = MESSAGE_GET_CRASH_INFOS + crash_infos_to_string(crashInfos);
Send(message, pSource);
}
else if (!strncmp(pMessage.c_str(), MESSAGE_REPORT, sizeof(MESSAGE_REPORT) - 1))
{
std::string message = pMessage.substr(sizeof(MESSAGE_REPORT) - 1);
map_crash_report_t report = string_to_crash_report(message);
Report(report, UID);
}
else if (!strncmp(pMessage.c_str(), MESSAGE_CREATE_REPORT, sizeof(MESSAGE_CREATE_REPORT) - 1))
{
// std::string UUID = pMessage.substr(sizeof(MESSAGE_CREATE_REPORT) - 1);
// map_crash_report_t crashReport = CreateReport(UUID, UID);
//use CreateReportThread instead of CreateReport?
// std::string message = MESSAGE_CREATE_REPORT + crash_report_to_string(crashReport);
// Send(message, pSource);
}
else if (!strncmp(pMessage.c_str(), MESSAGE_DELETE_DEBUG_DUMP, sizeof(MESSAGE_DELETE_DEBUG_DUMP) - 1))
{
std::string UUID = pMessage.substr(sizeof(MESSAGE_DELETE_DEBUG_DUMP) - 1);
DeleteDebugDump(UUID, UID);
}
else
{
warn_client("Received unknown message type.");
}
}
CCommLayerServerSocket::CCommLayerServerSocket()
: CCommLayerServer()
{
struct sockaddr_un local;
unlink(SOCKET_FILE);
m_nSocket = socket(AF_UNIX, SOCK_STREAM, 0);
if (m_nSocket == -1)
{
m_init_error = 1;
perror_msg("CCommLayerServerSocket: can't create AF_UNIX socket");
return;
}
fcntl(m_nSocket, F_SETFD, FD_CLOEXEC);
memset(&local, 0, sizeof(local));
local.sun_family = AF_UNIX;
strcpy(local.sun_path, SOCKET_FILE);
if (bind(m_nSocket, (struct sockaddr *)&local, sizeof(local)) == -1)
{
m_init_error = 1;
perror_msg("CCommLayerServerSocket: can't bind AF_UNIX socket to '%s'", SOCKET_FILE);
return;
}
if (listen(m_nSocket, 5) == -1)
{
m_init_error = 1;
perror_msg("CCommLayerServerSocket: can't listen on AF_UNIX socket");
return;
}
chmod(SOCKET_FILE, SOCKET_PERMISSION);
m_pGSocket = g_io_channel_unix_new(m_nSocket);
if (!g_io_add_watch(m_pGSocket,
static_cast<GIOCondition>(G_IO_IN | G_IO_PRI | G_IO_ERR | G_IO_HUP | G_IO_NVAL),
static_cast<GIOFunc>(server_socket_cb),
this))
{
m_init_error = 1;
perror_msg("CCommLayerServerSocket: can't hook AF_UNIX socket to glb main loop");
return;
}
}
CCommLayerServerSocket::~CCommLayerServerSocket()
{
g_io_channel_unref(m_pGSocket);
close(m_nSocket);
}
vector_crash_infos_t CCommLayerServerSocket::GetCrashInfos(const std::string &pSender)
{
vector_crash_infos_t crashInfos;
crashInfos = ::GetCrashInfos(pSender);
return crashInfos;
}
//reimplement as CreateReportThread(...)?
//map_crash_report_t CCommLayerServerSocket::CreateReport(const std::string &pUUID,const std::string &pSender)
//{
// map_crash_report_t crashReport;
// crashReport = ::CreateReport(pUUID, pSender);
// return crashReport;
//}
report_status_t CCommLayerServerSocket::Report(const map_crash_report_t& pReport, const std::string& pSender)
{
report_status_t rs;
rs = ::Report(pReport, pSender);
return rs;
}
bool CCommLayerServerSocket::DeleteDebugDump(const std::string& pUUID, const std::string& pSender)
{
::DeleteDebugDump(pUUID, pSender);
return true;
}
void CCommLayerServerSocket::Crash(const std::string& arg1)
{
//Send("(CRASH)New Crash Detected: " + arg1);
}
void CCommLayerServerSocket::Error(const std::string& arg1)
{
//Send("(ERROR)Error: " + arg1);
}
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