+++ /dev/null
-/*
- * traffic-analyzer VFS module. Measure the smb traffic users create
- * on the net.
- *
- * Copyright (C) Holger Hetterich, 2008
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "includes.h"
-#include "safe_string.h"
-#include <sys/socket.h>
-#include <stdlib.h>
-#include <sys/time.h>
-
-
-/* abstraction for the send_over_network function */
-#define UNIX_DOMAIN_SOCKET 1
-#define INTERNET_SOCKET 0
-
-
-/* Prototypes */
-
-extern userdom_struct current_user_info;
-
-static int vfs_smb_traffic_analyzer_debug_level = DBGC_VFS;
-
-NTSTATUS init_samba_module(void);
-
-static ssize_t smb_traffic_analyzer_write(vfs_handle_struct *handle,
- files_struct *fsp, const void *data, size_t n);
-
-static ssize_t smb_traffic_analyzer_read(vfs_handle_struct *handle,
- files_struct *fsp, void *data, size_t n);
-
-static ssize_t smb_traffic_analyzer_pwrite(vfs_handle_struct *handle,
- files_struct *fsp, const void *data, size_t n,
- SMB_OFF_T offset);
-
-static ssize_t smb_traffic_analyzer_pread(vfs_handle_struct *handle,
- files_struct *fsp, void *data, size_t n, SMB_OFF_T offset);
-
-
-/* VFS operations we use */
-
-static vfs_op_tuple smb_traffic_analyzer_tuples[] = {
-
- {SMB_VFS_OP(smb_traffic_analyzer_read), SMB_VFS_OP_READ,
- SMB_VFS_LAYER_LOGGER},
- {SMB_VFS_OP(smb_traffic_analyzer_pread), SMB_VFS_OP_PREAD,
- SMB_VFS_LAYER_LOGGER},
- {SMB_VFS_OP(smb_traffic_analyzer_write), SMB_VFS_OP_WRITE,
- SMB_VFS_LAYER_LOGGER},
- {SMB_VFS_OP(smb_traffic_analyzer_pwrite), SMB_VFS_OP_PWRITE,
- SMB_VFS_LAYER_LOGGER},
- {SMB_VFS_OP(NULL),SMB_VFS_OP_NOOP,SMB_VFS_LAYER_NOOP}
-
- };
-
-
-/* Module initialization */
-
-NTSTATUS init_samba_module(void)
-{
- NTSTATUS ret = smb_register_vfs(SMB_VFS_INTERFACE_VERSION, \
- "smb_traffic_analyzer", smb_traffic_analyzer_tuples);
-
- if (!NT_STATUS_IS_OK(ret))
- return ret;
-
- vfs_smb_traffic_analyzer_debug_level =
- debug_add_class("smb_traffic_analyzer");
-
- if (vfs_smb_traffic_analyzer_debug_level == -1) {
- vfs_smb_traffic_analyzer_debug_level = DBGC_VFS;
- DEBUG(1, ("smb_traffic_analyzer: Couldn't register custom"
- "debugging class!\n"));
- } else {
- DEBUG(3, ("smb_traffic_analyzer: Debug class number of"
- "'smb_traffic_analyzer': %d\n", \
- vfs_smb_traffic_analyzer_debug_level));
- }
-
- return ret;
-}
-
-/* create the timestamp in sqlite compatible format */
-static void get_timestamp( char *String )
-{
- struct timeval tv;
- struct timezone tz;
- struct tm *tm;
- int seconds;
-
- gettimeofday(&tv, &tz);
- tm=localtime(&tv.tv_sec);
- seconds=(float) (tv.tv_usec / 1000);
-
- fstr_sprintf(String,"%04d-%02d-%02d %02d:%02d:%02d.%03d", \
- tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday, \
- tm->tm_hour, tm->tm_min, tm->tm_sec, (int)seconds);
-
-}
-
-static int smb_traffic_analyzer_connMode( vfs_handle_struct *handle)
-{
- connection_struct *conn = handle->conn;
- const char *Mode;
- Mode=lp_parm_const_string(SNUM(conn), "smb_traffic_analyzer","mode", \
- "internet_socket");
- if (strstr(Mode,"unix_domain_socket")) {
- return UNIX_DOMAIN_SOCKET;
- } else {
- return INTERNET_SOCKET;
- }
-
-}
-
-
-
-/* Send data over a internet socket */
-static void smb_traffic_analyzer_send_data_inet_socket( char *String,
- vfs_handle_struct *handle, const char *file_name,
- bool Write)
-{
- /* Create a streaming Socket */
- const char *Hostname;
- int sockfd, result;
- int port;
- struct sockaddr_in their_addr;
- struct hostent *hp;
- char Sender[200];
- char TimeStamp[200];
- int yes = 1;
- connection_struct *conn;
-
- if ((sockfd=socket(AF_INET, SOCK_STREAM,0)) == -1) {
- DEBUG(1, ("unable to create socket, error is %s",
- strerror(errno)));
- return;
- }
- if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &yes, \
- sizeof(int)) == -1) {
- DEBUG(1, ("unable to set socket options, error is %s",
- strerror(errno)));
- return;
- }
- /* get port number, target system from the config parameters */
- conn=handle->conn;
-
- Hostname=lp_parm_const_string(SNUM(conn), "smb_traffic_analyzer",
- "host", "localhost");
-
- port = atoi( lp_parm_const_string(SNUM(conn),
- "smb_traffic_analyzer", "port", "9430"));
-
- hp = gethostbyname(Hostname);
- if (hp == NULL) {
- DEBUG(1, ("smb_traffic_analyzer: Unkown Hostname of"
- "target system!\n"));
- }
- DEBUG(3,("smb_traffic_analyzer: Internet socket mode. Hostname: %s,"
- "Port: %i\n", Hostname, port));
-
- their_addr.sin_family = AF_INET;
- their_addr.sin_port = htons(port);
- their_addr.sin_addr.s_addr = INADDR_ANY;
- memset(their_addr.sin_zero, '\0', sizeof(their_addr.sin_zero));
- memcpy(hp->h_addr, &their_addr.sin_addr, hp->h_length);
- their_addr.sin_port=htons(port);
- result=connect( sockfd, &their_addr, sizeof( struct sockaddr_in));
- if ( result < 0 ) {
- DEBUG(1, ("smb_traffic_analyzer: Couldn't connect to inet"
- "socket!\n"));
- }
- safe_strcpy(Sender, String, sizeof(Sender) - 1);
- safe_strcat(Sender, ",\"", sizeof(Sender) - 1);
- safe_strcat(Sender, get_current_username(), sizeof(Sender) - 1);
- safe_strcat(Sender, "\",\"", sizeof(Sender) - 1);
- safe_strcat(Sender, current_user_info.domain, sizeof(Sender) - 1);
- safe_strcat(Sender, "\",\"", sizeof(Sender) - 1);
- if (Write)
- safe_strcat(Sender, "W", sizeof(Sender) - 1);
- else
- safe_strcat(Sender, "R", sizeof(Sender) - 1);
- safe_strcat(Sender, "\",\"", sizeof(Sender) - 1);
- safe_strcat(Sender, handle->conn->connectpath, sizeof(Sender) - 1);
- safe_strcat(Sender, "\",\"", sizeof(Sender) - 1);
- safe_strcat(Sender, file_name, sizeof(Sender) - 1);
- safe_strcat(Sender, "\",\"", sizeof(Sender) - 1);
- get_timestamp(TimeStamp);
- safe_strcat(Sender, TimeStamp, sizeof(Sender) - 1);
- safe_strcat(Sender, "\");", sizeof(Sender) - 1);
- DEBUG(10, ("smb_traffic_analyzer: sending %s\n", Sender));
- if ( send(sockfd, Sender, strlen(Sender), 0) == -1 ) {
- DEBUG(1, ("smb_traffic_analyzer: error sending data to socket!\n"));
- return ;
- }
-
- /* one operation, close the socket */
- close(sockfd);
-}
-
-
-
-/* Send data over a unix domain socket */
-static void smb_traffic_analyzer_send_data_unix_socket( char *String ,
- vfs_handle_struct *handle, const char *file_name,
- bool Write)
-{
- /* Create the socket to stad */
- int len, sock;
- struct sockaddr_un remote;
- char Sender[200];
- char TimeStamp[200];
- DEBUG(7, ("smb_traffic_analyzer: Unix domain socket mode. Using "
- "/var/tmp/stadsocket\n"));
- if ((sock = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
- DEBUG(1, ("smb_traffic_analyzer: Couldn create socket,"
- "make sure stad is running!\n"));
- }
- remote.sun_family = AF_UNIX;
- safe_strcpy(remote.sun_path, "/var/tmp/stadsocket",
- sizeof(remote.sun_path) - 1);
- len=strlen(remote.sun_path) + sizeof(remote.sun_family);
- if (connect(sock, (struct sockaddr *)&remote, len) == -1 ) {
- DEBUG(1, ("smb_traffic_analyzer: Could not connect to"
- "socket, make sure\nstad is running!\n"));
- }
- safe_strcpy(Sender, String, sizeof(Sender) - 1);
- safe_strcat(Sender, ",\"", sizeof(Sender) - 1);
- safe_strcat(Sender, get_current_username(), sizeof(Sender) - 1);
- safe_strcat(Sender,"\",\"",sizeof(Sender) - 1);
- safe_strcat(Sender, current_user_info.domain, sizeof(Sender) - 1);
- safe_strcat(Sender, "\",\"", sizeof(Sender) - 1);
- if (Write)
- safe_strcat(Sender, "W", sizeof(Sender) - 1);
- else
- safe_strcat(Sender, "R", sizeof(Sender) - 1);
- safe_strcat(Sender, "\",\"", sizeof(Sender) - 1);
- safe_strcat(Sender, handle->conn->connectpath, sizeof(Sender) - 1);
- safe_strcat(Sender, "\",\"", sizeof(Sender) - 1);
- safe_strcat(Sender, file_name, sizeof(Sender) - 1);
- safe_strcat(Sender, "\",\"", sizeof(Sender) - 1);
- get_timestamp(TimeStamp);
- safe_strcat(Sender, TimeStamp, sizeof(Sender) - 1);
- safe_strcat(Sender, "\");", sizeof(Sender) - 1);
-
- DEBUG(10, ("smb_traffic_analyzer: sending %s\n", Sender));
- if ( send(sock, Sender, strlen(Sender), 0) == -1 ) {
- DEBUG(1, ("smb_traffic_analyzer: error sending data to"
- "socket!\n"));
- return;
- }
-
- /* one operation, close the socket */
- close(sock);
-
- return;
-}
-
-static void smb_traffic_analyzer_send_data( char *Buffer , vfs_handle_struct \
- *handle, char *file_name, bool Write, files_struct *fsp)
-{
-
- if (smb_traffic_analyzer_connMode(handle) == UNIX_DOMAIN_SOCKET) {
- smb_traffic_analyzer_send_data_unix_socket(Buffer, handle, \
- fsp->fsp_name, Write);
- } else {
- smb_traffic_analyzer_send_data_inet_socket(Buffer, handle, \
- fsp->fsp_name, Write);
- }
-}
-
-
-
-/* VFS Functions: write, read, pread, pwrite for now */
-
-static ssize_t smb_traffic_analyzer_read(vfs_handle_struct *handle, \
- files_struct *fsp, void *data, size_t n)
-{
- ssize_t result;
- char Buffer[100];
-
- result = SMB_VFS_NEXT_READ(handle, fsp, data, n);
- DEBUG(10, ("smb_traffic_analyzer: READ: %s\n", fsp->fsp_name ));
-
- fstr_sprintf(Buffer, "%u", (uint) result);
-
- smb_traffic_analyzer_send_data(Buffer, handle, fsp->fsp_name, false, fsp);
- return result;
-}
-
-
-static ssize_t smb_traffic_analyzer_pread(vfs_handle_struct *handle, \
- files_struct *fsp, void *data, size_t n, SMB_OFF_T offset)
-{
- ssize_t result;
- char Buffer[100];
-
- result = SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
-
- DEBUG(10, ("smb_traffic_analyzer: READ: %s\n", fsp->fsp_name ));
-
- fstr_sprintf(Buffer,"%u", (uint) result);
- smb_traffic_analyzer_send_data(Buffer, handle, fsp->fsp_name, false, fsp);
-
- return result;
-}
-
-static ssize_t smb_traffic_analyzer_write(vfs_handle_struct *handle, \
- files_struct *fsp, const void *data, size_t n)
-{
- ssize_t result;
- char Buffer[100];
-
- result = SMB_VFS_NEXT_WRITE(handle, fsp, data, n);
-
- DEBUG(10, ("smb_traffic_analyzer: WRITE: %s\n", fsp->fsp_name ));
-
- fstr_sprintf(Buffer, "%u", (uint) result);
- smb_traffic_analyzer_send_data(Buffer, handle, fsp->fsp_name, \
- true, fsp );
- return result;
-}
-
-static ssize_t smb_traffic_analyzer_pwrite(vfs_handle_struct *handle, \
- files_struct *fsp, const void *data, size_t n, SMB_OFF_T offset)
-{
- ssize_t result;
- char Buffer[100];
-
- result = SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
-
- DEBUG(10, ("smb_traffic_analyzer: PWRITE: %s\n", fsp->fsp_name ));
-
- fstr_sprintf(Buffer, "%u", (uint) result);
- smb_traffic_analyzer_send_data(Buffer, handle, fsp->fsp_name, true, fsp);
- return result;
-}
-
git.samba.org / samba.git / blobdiff