Woops, forgot to add cmd_net.c

git-svn-id: file:///home/svn/framework3/trunk@5174 4d416f70-5f16-0410-b530-b9f4589650da
unstable
HD Moore 2007-10-21 03:12:24 +00:00
parent d77158aaef
commit f38ed1f233
1 changed files with 224 additions and 0 deletions

224
external/source/ipwn/cmd_net.c vendored Normal file
View File

@ -0,0 +1,224 @@
/*
* Copyright (c) 2007 H D Moore <hdm [at] metasploit.com>
* This file is part of the Metasploit Framework.
* $Revision: 2053 $
*/
#include <sys/types.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <limits.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <stdio.h>
#include <dirent.h>
#include <pwd.h>
#include <grp.h>
#include <sys/fcntl.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netdb.h>
\
#include "cmd.h"
void cmd_download(int argc, char * argv[])
{
int src, dst, len, i;
char buff[4096];
char *path, *p, *t;
char *uri;
char *host;
struct sockaddr_in server;
struct hostent *haddr;
int port = 80;
int dmode = 0;
int off = 0;
int clen = 0;
int tot = 0;
// src == socket
p = strstr(argv[1], "http://");
if( p == NULL) {
printf("The url must start with http://\n");
return;
}
p+=7;
t = strstr(p, "/");
if (t == NULL) {
printf("The url must contain a path\n");
return;
}
uri = strdup(t);
*t = '\0';
t = strstr(p, ":");
if (t != NULL) {
*t = '\0';
t++;
port = atoi(t);
}
host = strdup(p);
sprintf(buff, "GET %s HTTP/1.0\r\nHost: %s:%d\r\nConnection: Close\r\nUser-Agent: iPwn\r\n\r\n", uri, host, port);
if( ( haddr = gethostbyname(host) ) == NULL ) {
free(host);
perror("gethostbyname");
return;
}
free(host);
if (port < 1 || port > 65535) {
free(uri);
perror("invalid port");
return;
}
if( ( src = socket ( PF_INET, SOCK_STREAM, IPPROTO_TCP ) ) < 0 ) {
free(uri);
perror("socket");
return;
}
memset ( &server, 0, sizeof( server ) );
server.sin_family = AF_INET;
server.sin_addr.s_addr = *( ( unsigned long * ) haddr->h_addr );
server.sin_port = htons ( port );
if( connect ( src, ( struct sockaddr * )&server, sizeof( server ) ) < 0 ) {
free(uri);
close(src);
perror("connect");
return;
}
if( send( src, buff, strlen(buff), 0 ) != strlen(buff) ) {
free(uri);
close(src);
perror("send");
return;
}
path = strdup(argv[2]);
dst = open(path, O_RDWR | O_CREAT | O_TRUNC, S_IRWXU);
if (dst == -1) {
if(errno == EISDIR) {
t = strrchr(uri, '/');
if (t != NULL) {
t++;
if(strlen(t) == 0) {
free(uri);
t = "download.out";
}
} else {
t = uri;
}
p = malloc(strlen(path) + strlen(t) + 2);
sprintf(p, "%s/%s", path, t);
free(path);
path = p;
dst = open(path, O_RDWR | O_CREAT | O_TRUNC, S_IRWXU);
if ( dst == -1 ) {
close(src);
free(path);
free(uri);
perror("open(dst)");
return;
}
} else {
close(src);
free(path);
free(uri);
perror("open(dst)");
return;
}
}
free(uri);
memset(buff, 0, sizeof(buff));
off = 0;
tot = 0;
while (dmode == 0) {
if (sizeof(buff)-1-off <= 0)
break;
len = read(src, buff+off, sizeof(buff)-1-off);
if (len == -1) break;
if (len == 0) break;
off += len;
p = strstr(buff, "Content-Length:");
if (p) {
p += 15;
clen = atoi(p);
}
t = strstr(buff, "\r\n\r\n");
if (t) {
dmode = 1;
*t = '\0';
t += 4;
i = (int) ((buff + off) - t);
write(dst, t, i);
tot += i;
}
}
printf("\n====================\n");
printf("HTTP Server Response\n");
printf("====================\n\n%s\n\n",buff);
if(! dmode || clen < 0) {
printf("could not parse the server response\n");
close(src);
close(dst);
unlink(path);
free(path);
return;
}
if(clen > 0) {
printf("Receiving %d bytes...\n", clen);
while(clen > 0 && len > 0) {
len = read(src, buff, sizeof(buff));
if (len > 0) {
write(dst, buff, len);
tot += len;
}
clen -= len;
}
} else {
printf("Receiving data...\n");
while(len > 0) {
len = read(src, buff, sizeof(buff));
if (len > 0) {
write(dst, buff, len);
tot += len;
}
}
}
printf("Received %d bytes\n", tot);
close(src);
close(dst);
chmod(path, 0755);
free(path);
}