409 lines
8.9 KiB
C
409 lines
8.9 KiB
C
/* ftp.c Copyright 1992-2000 by Michael Temari All Rights Reserved
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*
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* ftp An ftp client program for use with TNET.
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*
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* Usage: ftp [host]
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*
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* Version: 0.10 06/21/92 (pre-release not yet completed)
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* 0.20 07/01/92
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* 0.30 01/15/96 (Minix 1.7.1 initial release)
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* 0.40 08/27/96
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* 0.50 03/08/00
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* 1.00 12/12/03 (added ver command)
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* 1.01 02/07/05
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*
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* Author: Michael Temari, <Michael@TemWare.Com>
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*/
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#include <sys/types.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <string.h>
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#include <unistd.h>
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#include "ftp.h"
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#include "local.h"
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#include "file.h"
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#include "other.h"
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#include "net.h"
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char *FtpVersion = "1.01 02/07/05";
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int linkopen;
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int loggedin;
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int type;
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int format;
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int mode;
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int structure;
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int passive;
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int atty;
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int cmdargc;
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char *cmdargv[NUMARGS];
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int printreply = 1;
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char reply[1024];
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#ifdef __NBSD_LIBC
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/* Already declared in stdio.h */
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#define getline ftp_getline
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#endif
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static void makeargs(char *buff);
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int DOver(void);
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int DOhelp(void);
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static int getline(char *line, int len);
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int main(int argc, char *argv[]);
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static void makeargs(buff)
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char *buff;
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{
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int i;
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char *p;
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for(i = 0; i < NUMARGS; i++)
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cmdargv[i] = (char *)0;
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p = buff + strlen(buff) - 1;
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while(p >= buff)
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if(*p == '\r' || *p == '\n' || isspace(*p))
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*p-- = '\0';
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else
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break;
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p = buff;
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cmdargc = 0;
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while(cmdargc < NUMARGS) {
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while(*p && isspace(*p))
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p++;
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if(*p == '\0')
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break;
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cmdargv[cmdargc++] = p;
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while(*p && !isspace(*p)) {
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if(cmdargc == 1)
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*p = tolower(*p);
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p++;
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}
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if(*p == '\0')
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break;
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*p = '\0';
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p++;
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}
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}
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int readline(prompt, buff, len)
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char *prompt;
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char *buff;
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int len;
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{
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char *p;
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printf(prompt); fflush(stdout);
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if(fgets(buff, len, stdin) == (char *)NULL) {
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printf("\nEnd of file on input!\n");
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return(-1);
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}
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p = buff + strlen(buff) - 1;
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while(p >= buff)
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if(*p == '\r' || *p == '\n' || isspace(*p))
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*p-- = '\0';
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else
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break;
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if(!atty) {
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printf("%s\n", buff);
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fflush(stdout);
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}
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return(0);
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}
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static int getline(line, len)
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char *line;
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int len;
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{
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int s;
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int gotcr;
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/* leave room for at end for null */
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len--;
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/* got to be able to put in at least 1 character */
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if(len < 1)
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return(-1);
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gotcr = 0;
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while(len-- > 0) {
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s = read(ftpcomm_fd, line, 1);
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if(s != 1)
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return(-1);
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if(*line == '\n')
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break;
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gotcr = (*line == '\r');
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line++;
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}
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if(gotcr)
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--line;
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*line = '\0';
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return(0);
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}
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int DOgetreply()
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{
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int firsttime;
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int s;
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char code[4];
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do {
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firsttime = 1;
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do {
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if((s = getline(reply, sizeof(reply))) < 0)
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return(s);
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if(printreply) {
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printf("%s\n", reply);
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fflush(stdout);
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}
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if(firsttime) {
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firsttime = 0;
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strncpy(code, reply, 3);
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code[3] = '\0';
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}
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} while(strncmp(reply, code, 3) || reply[3] == '-');
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s = atoi(code);
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} while(s < 200 && s != 125 && s != 150);
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return(s);
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}
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int DOcmdcheck()
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{
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if(!linkopen) {
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printf("You must \"OPEN\" a connection first.\n");
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return(1);
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}
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if(!loggedin) {
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printf("You must login first.\n");
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return(1);
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}
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return(0);
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}
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int DOcommand(ftpcommand, ftparg)
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char *ftpcommand;
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char *ftparg;
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{
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int s;
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#if 1
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static char ss[64];
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if(*ftparg)
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sprintf(ss, "%s %s\r\n", ftpcommand, ftparg);
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else
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sprintf(ss, "%s\r\n", ftpcommand);
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s = write(ftpcomm_fd, ss, strlen(ss));
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if(s != strlen(ss))
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return(-1);
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#else
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s = write(ftpcomm_fd, ftpcommand, strlen(ftpcommand));
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if(s != strlen(ftpcommand))
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return(-1);
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if(*ftparg) {
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s = write(ftpcomm_fd, " ", 1);
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if(s != 1)
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return(-1);
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s = write(ftpcomm_fd, ftparg, strlen(ftparg));
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if(s != strlen(ftparg))
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return(-1);
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}
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s = write(ftpcomm_fd, "\r\n", 2);
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if(s != 2)
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return(-1);
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#endif
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return(DOgetreply());
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}
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int DOver()
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{
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printf("FTP Version %s\n", FtpVersion);
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return(0);
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}
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int DOhelp()
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{
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char junk[10];
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printf("Command: Description\n");
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printf("! Escape to a shell\n");
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printf("append Append a file to remote host\n");
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printf("ascii Set file transfer type to ascii\n");
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printf("binary Set file transfer type to binary\n");
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printf("block Set file transfer mode to block\n");
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printf("bye Close connection and exit\n");
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printf("cd Change directory on remote host\n");
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printf("close Close connection\n");
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printf("clone Clone a file\n");
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printf("del Remove file on remote host\n");
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printf("dir Display long form remote host directory listing\n");
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printf("exit Close connection and exit\n");
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printf("get Retrieve a file from remote host\n");
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printf("help Display this text\n");
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if(readline("Press ENTER to continue... ", junk, sizeof(junk)))
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return(-1);
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printf("lcd Change directory on local host\n");
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printf("ldir Display long form local host directory listing\n");
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printf("lls Display local host directory listing\n");
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printf("lmkdir Create directory on local host\n");
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printf("lpwd Display current directory on local host\n");
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printf("lrmdir Remove directory on local host\n");
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printf("ls Display remote host directory listing\n");
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printf("mget Retrieve multiple files from remote host\n");
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printf("mkdir Create directory on remote host\n");
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printf("mod Get file modification time\n");
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printf("mput Send multiple files to remote host\n");
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printf("noop Send the ftp NOOP command\n");
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if(readline("Press ENTER to continue... ", junk, sizeof(junk)))
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return(-1);
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printf("open Open connection to remote host\n");
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printf("pass Enter remote user password\n");
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printf("passive Toggle passive mode\n");
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printf("put Send a file to remote host\n");
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printf("putu Send a file to remote host(unique)\n");
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printf("pwd Display current directory on remote host\n");
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printf("quit Close connection and exit\n");
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printf("quote Send raw ftp command to remote host\n");
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printf("reget Restart a partial file retrieve from remote host\n");
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printf("remotehelp Display ftp commands implemented on remote host\n");
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printf("reput Restart a partial file send to remote host\n");
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printf("rm Remove file on remote host\n");
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printf("rmdir Remove directory on remote host\n");
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if(readline("Press ENTER to continue... ", junk, sizeof(junk)))
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return(-1);
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printf("site Send a site specific command\n");
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printf("size Get file size information\n");
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printf("status Get connection/file status information\n");
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printf("stream Set file transfer mode to stream\n");
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printf("system Get remote system type information\n");
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printf("user Enter remote user information\n");
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printf("ver Display client version information\n");
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return(0);
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}
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struct commands {
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char *name;
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int(*func) (void);
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};
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static struct commands commands[] = {
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"!", DOlshell,
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"append", DOappe,
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"ascii", DOascii,
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"binary", DObinary,
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"block", DOblock,
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"bye", DOquit,
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"cd", DOcd,
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"close", DOclose,
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"clone", DOclone,
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"del", DOdelete,
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"dir", DOlist,
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"exit", DOquit,
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"get", DOretr,
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"help", DOhelp,
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"lcd", DOlcd,
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"ldir", DOllist,
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"lls", DOlnlst,
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"lmkdir", DOlmkdir,
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"lpwd", DOlpwd,
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"lrmdir", DOlrmdir,
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"ls", DOnlst,
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"mget", DOMretr,
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"mkdir", DOmkdir,
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"mod", DOmdtm,
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"mput", DOMstor,
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"noop", DOnoop,
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"open", DOopen,
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"pass", DOpass,
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"passive", DOpassive,
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"put", DOstor,
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"putu", DOstou,
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"pwd", DOpwd,
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"quit", DOquit,
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"quote", DOquote,
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"reget", DOrretr,
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"remotehelp", DOremotehelp,
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"reput", DOrstor,
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"rm", DOdelete,
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"rmdir", DOrmdir,
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"site", DOsite,
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"size", DOsize,
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"status", DOstat,
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"stream", DOstream,
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"system", DOsyst,
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"user", DOuser,
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"ver", DOver,
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"", (int (*)())0
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};
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int main(argc, argv)
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int argc;
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char *argv[];
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{
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int s;
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struct commands *cmd;
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static char buffer[128];
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if(NETinit())
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return(-1);
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FTPinit();
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s = 0;
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if(argc > 1) {
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sprintf(buffer, "open %s ", argv[1]);
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makeargs(buffer);
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s = DOopen();
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if(atty && s > 0) {
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sprintf(buffer, "user");
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makeargs(buffer);
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s = DOuser();
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}
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}
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while(s >= 0) {
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s = readline("ftp>", buffer, sizeof(buffer));
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if(s < 0) break;
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makeargs(buffer);
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if(cmdargc == 0) continue;
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for(cmd = commands; *cmd->name != '\0'; cmd++)
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if(!strcmp(cmdargv[0], cmd->name))
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break;
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if(*cmd->name != '\0')
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s = (*cmd->func)();
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else {
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s = 0;
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printf("Command \"%s\" not recognized.\n", cmdargv[0]);
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}
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}
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return(s);
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}
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