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/*
* Copyright (c) 1992 The Regents of the University of Texas System.
* Copyright (c) 1993 The Regents of the University of Texas System.
* Copyright (c) 1994 The Regents of the University of Texas System.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted provided
* that the above copyright notice and this paragraph are duplicated in all
* such forms and that any documentation, advertising materials, and other
* materials related to such distribution and use acknowledge that the
* software was developed by the University of Texas. The name of the
* University may not be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#ifndef lint
static char copyright[] =
"@(#) Copyright (c) 1993 The Regents of the University of Texas System.\n\
All rights reserved.\n";
static char rcsid[] =
"$Id: ftp.c,v 1.2 1994/05/26 22:03:35 jones Exp $\n";
static char rcspath[] =
"$Source: /mintaka/u0/xx/ss/jones/jones.old/mftp.src/moxftp-2.2/RCS/ftp.c,v $\n";
#endif
/* $Log: ftp.c,v $
* Revision 1.2 1994/05/26 22:03:35 jones
* More meaning full connection close message.
*
* Revision 1.1 1994/03/14 18:55:53 jones
* Initial revision
*
*/
#include "machine.h"
#include "defs.h"
#include "proto/ftp.h"
int LAST_RESPONSE = 0;
char last_response[1000];
struct _netrc netrc[MAX_NETRC];
int NUM_NETRC = 0;
/*
* See rfc959.
*/
struct _ftp_response ftp_response[] = {
{ "" , 00004, "No ftp response"}, /* 0 Error abort */
{ "" , 00001, "Dummy"}, /* 1 No error */
{ "" , 00401, "Dummy 2"}, /* 2 No error Error OK */
{ "777", 01004, "Error restart"}, /* 3 Error restart */
{ "776", 02004, "Error reconnect"}, /* 4 Error reconnect */
{ "110", 00002, "Restart marker reply."},
{ "125", 00002, "REPLY_PERLIMINARY"},
{ "120", 00002, "Service ready in nnn minutes."},
{ "125", 00002, "Data connection already open; transfer starting."},
{ "150", 00002, "File status okay; about to open data connection."},
{ "200", 00001, "Command okay."},
{ "202", 00001, "Command not implemented, superfluous at this site."},
{ "211", 00001, "System status, or system help reply."},
{ "212", 00001, "Directory status."},
{ "213", 00001, "File status."},
{ "214", 00001, "Help message."},
{ "215", 00001, "NAME system type."},
{ "220", 00001, "Service ready for new user."},
{ "221", 00001, "Service closing control connection."},
{ "225", 00001, "Data connection open; no transfer in progress."},
{ "226", 00001, "Closing data connection."},
{ "227", 00001, "Entering Passive Mode (h1,h2,h3,h4,p1,p2)."},
{ "230", 00001, "User logged in, proceed."},
{ "250", 00001, "Requested file action okay, completed."},
{ "251", 00001, "PATHNAME created."}, /* suppect but some do return it */
{ "257", 00001, "PATHNAME created."},
{ "331", 00002, "User name okay, need password."},
{ "332", 00022, "Need account for login."},
{ "350", 00002, "Requested file action pending further information."},
{ "421", 00014, "Service not available, closing control connection."},
{ "425", 01044, "Can't open data connection."},
{ "426", 00004, "Connection closed; transfer aborted."},
{ "450", 00004, "Requested file action not taken."},
{ "451", 00004, "Requested action aborted: local error in processing."},
{ "452", 00004, "Requested action not taken."},
{ "500", 00004, "Syntax error, command unrecognized."},
{ "501", 00004, "Syntax error in parameters or arguments."},
{ "502", 00004, "Command not implemented."},
{ "503", 00004, "Bad sequence of commands."},
{ "504", 00004, "Command not implemented for that parameter."},
{ "530", 00014, "Not logged in."},
{ "532", 00024, "Need account for storing files."},
{ "550", 00004, "Requested action not taken."},
{ "551", 00004, "Requested action aborted: page type unknown."},
{ "552", 00004, "Requested file action aborted."},
{ "553", 00004, "Requested action not taken."}
};
#define NUM_RESPONSE (sizeof(ftp_response)/sizeof(struct _ftp_response))
#define DEFAULT 0
#define LOGIN 1
#define PASSWD 2
#define ACCOUNT 3
#define MACH 4
#define REMOTE_DIR 5
#define LOCAL_DIR 6
#define NOTE 7
static struct toktab {
char *tokstr;
int value;
} toktab[]= {
"default", DEFAULT,
"login", LOGIN,
"password", PASSWD,
"passwd", PASSWD,
"account", ACCOUNT,
"machine", MACH,
"remote_dir", REMOTE_DIR,
"local_dir", LOCAL_DIR,
"note", NOTE,
0, 0
};
#define MAX_T 100
static int current = 0;
static int max = 0;
static char *token[MAX_T];
void
Devine_Last_Response(output, msg)
struct _output *output;
char *msg;
{
struct _output *next = output;
int i;
while(next) {
for (i=0; i<next->lines; i++) {
char *cp = next->output[i];
if (bsdstrstr(cp, "too many anonymous users") != NULL) {
strcpy(last_response, "Too many anonymous users");
return;
}
}
next = next->next;
}
strcpy(last_response, msg);
}
void
Set_Note(line)
char *line;
{
char host[1000], note[1000];
int n,i;
n = sscanf(line, "%s %[^$]", host, note);
if (n != 2) return;
for (i=0; i< NUM_NETRC; i++) {
if (strcmp(host, netrc[i].host) == 0) {
netrc[i].note = XtNewString(note);
return;
}
}
}
int
ftp_status(output)
struct _output *output;
{
int i,j;
int last_good = 0;
struct _output *next = output;
char *s;
if (!output) return 0;
last_response[0] = '\0';
while(next) {
for (j=0; j<next->lines; j++) {
char *cp = next->output[j];
if (bsdstrstr(cp, "bytes received") != NULL) continue;
if (bsdstrstr(cp, "bytes sent") != NULL) continue;
for (i=0; i< NUM_RESPONSE; i++) {
if (strncmp(cp, ftp_response[i].code, 3) == 0) break;
}
if (i != NUM_RESPONSE) {
strcpy(last_response, next->output[j]);
s = INDEX(last_response, '\n');
if (s) *s = '\0';
if (Debug>3)
fprintf(stderr,"xxxx last_response;%s\n",last_response);
LAST_RESPONSE = i;
if(ftp_response[i].status & FTP_ERROR) {
if (ftp_response[i].status & FTP_NEED_LOGIN) {
Set_Status("Connection closed by peer");
Devine_Last_Response(output,
"Connection closed by peer");
Set_Reconnect(0);
return i;
}
if (ftp_response[i].status & FTP_NEED_RESTART) {
Set_Reconnect(1);
}
return LAST_RESPONSE;
}
last_good = i;
}
}
next = next->next;
}
LAST_RESPONSE = last_good;
return last_good;
}
static char *
get_note()
{
char *line;
if (max && current < max) {
line = concat(NULL, token[current]);
current++;
while(current < max) {
line = concat(line, " ");
line = concat(line, token[current]);
current++;
}
} else {
line = concat(NULL, " ");
}
return line;
}
static char *
next(file)
FILE *file;
{
char line[2000];
char *cp;
char *next_t;
int i;
agein:
if (max && current < max) {
current++;
return token[current-1];
}
if (max) {
for (i=0; i < max; i++) {
XtFree(token[i]);
}
}
current = 0;
max = 0;
if (fgets(line, sizeof(line), file) == NULL) return NULL;
cp = line;
next_t = XtMalloc(strlen(cp)+1);
while(cp = Next_Token(cp, next_t)) {
token[max] = next_t;
max++;
if (max == MAX_T) break;
next_t = XtMalloc(strlen(cp)+1);
}
XtFree(next_t);
goto agein;
}
void
read_netrc(input, name, host, type)
FILE *input;
char *name;
char *host;
int type;
{
char *t;
char *next();
char *get_note();
char *cp;
int n,i;
while(t = next(input)) {
if (NUM_NETRC == MAX_NETRC) break;
for (i=0; toktab[i].tokstr; i++) {
if(strcmp(toktab[i].tokstr, t) == 0) break;
}
if (!toktab[i].tokstr) continue;
/*
* Ignore REMOTE_DIR, LOCAL_DIR, and NOTE in .netrc.
*/
if (!type && toktab[i].value >= REMOTE_DIR) continue;
switch(toktab[i].value) {
case DEFAULT:
break;
case LOGIN:
t = next(input);
if (!t) break;
netrc[NUM_NETRC].user = XtNewString(t);
break;
case MACH:
t = next(input);
if (!t) break;
if (netrc[NUM_NETRC].host) {
NUM_NETRC++;
if (NUM_NETRC == MAX_NETRC) break;
}
netrc[NUM_NETRC].host = XtNewString(t);
break;
case PASSWD:
t = next(input);
if (!t) break;
if (!name || !bsdstrstr(t,"USER")) {
netrc[NUM_NETRC].pass = XtNewString(t);
} else {
char *cp = NULL;
cp = concat(cp, name);
cp = concat(cp, "@");
cp = concat(cp, host);
netrc[NUM_NETRC].pass = cp;
}
break;
case REMOTE_DIR:
t = next(input);
if (!t) break;
netrc[NUM_NETRC].remote_dir = XtNewString(t);
break;
case LOCAL_DIR:
t = next(input);
if (!t) break;
netrc[NUM_NETRC].local_dir = XtNewString(t);
break;
case NOTE:
t = get_note();
if (!t) break;
netrc[NUM_NETRC].note = XtNewString(t);
XtFree(t);
break;
case ACCOUNT:
break;
}
}
while(t = next(input));
if (NUM_NETRC < MAX_NETRC && netrc[NUM_NETRC].host) NUM_NETRC++;
}
void
response(text)
char *text;
{
char *err;
char *cp;
if (last_response[0]) {
while ((cp = INDEX(last_response,'\n')) != NULL) *cp = '\0';
err = concat(NULL, text);
err = concat(err , "- Last Response is:");
err = concat(err , last_response);
Set_Status(err);
XtFree(err);
} else {
Set_Status(text) ;
}
}
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