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https://github.com/reactos/reactos.git
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595 lines
12 KiB
C
595 lines
12 KiB
C
/*
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* Copyright (c) 1985, 1989 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that the above copyright notice and this paragraph are
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* duplicated in all such forms and that any documentation,
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* advertising materials, and other materials related to such
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* distribution and use acknowledge that the software was developed
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* by the University of California, Berkeley. The name of the
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* University may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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/*
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* FTP User Program -- Command Interface.
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*/
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#include "precomp.h"
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#include <fcntl.h>
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#ifndef lint
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char copyright[] =
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"@(#) Copyright (c) 1985, 1989 Regents of the University of California.\n\
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All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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static char sccsid[] = "@(#)main.c based on 5.13 (Berkeley) 3/14/89";
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#endif /* not lint */
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#if defined(sun) && !defined(FD_SET)
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typedef int uid_t;
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#endif
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uid_t getuid(void);
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void intr(void);
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void lostpeer(void);
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char *getlogin(void);
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short portnum;
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char home[128];
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char *globerr;
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int autologin;
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/* Lot's of options... */
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/*
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* Options and other state info.
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*/
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int trace; /* trace packets exchanged */
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int hash; /* print # for each buffer transferred */
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//int sendport; /* use PORT cmd for each data connection */
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int verbose; /* print messages coming back from server */
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int connected; /* connected to server */
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int fromatty; /* input is from a terminal */
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int interactive; /* interactively prompt on m* cmds */
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int debug; /* debugging level */
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int bell; /* ring bell on cmd completion */
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int doglob; /* glob local file names */
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int proxy; /* proxy server connection active */
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int passivemode;
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int proxflag; /* proxy connection exists */
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int sunique; /* store files on server with unique name */
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int runique; /* store local files with unique name */
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int mcase; /* map upper to lower case for mget names */
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int ntflag; /* use ntin ntout tables for name translation */
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int mapflag; /* use mapin mapout templates on file names */
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int code; /* return/reply code for ftp command */
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int crflag; /* if 1, strip car. rets. on ascii gets */
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char pasv[64]; /* passive port for proxy data connection */
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char *altarg; /* argv[1] with no shell-like preprocessing */
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char ntin[17]; /* input translation table */
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char ntout[17]; /* output translation table */
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// #include <sys/param.h>
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char mapin[MAXPATHLEN]; /* input map template */
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char mapout[MAXPATHLEN]; /* output map template */
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char typename[32]; /* name of file transfer type */
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int type; /* file transfer type */
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char structname[32]; /* name of file transfer structure */
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int stru; /* file transfer structure */
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char formname[32]; /* name of file transfer format */
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int form; /* file transfer format */
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char modename[32]; /* name of file transfer mode */
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int mode; /* file transfer mode */
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char bytename[32]; /* local byte size in ascii */
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int bytesize; /* local byte size in binary */
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jmp_buf toplevel; /* non-local goto stuff for cmd scanner */
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char line[200]; /* input line buffer */
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char *stringbase; /* current scan point in line buffer */
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char argbuf[200]; /* argument storage buffer */
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char *argbase; /* current storage point in arg buffer */
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int margc; /* count of arguments on input line */
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const char *margv[20]; /* args parsed from input line */
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int cpend; /* flag: if != 0, then pending server reply */
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int mflag; /* flag: if != 0, then active multi command */
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int options; /* used during socket creation */
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int macnum; /* number of defined macros */
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struct macel macros[16];
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char macbuf[4096];
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/*
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* Need to start a listen on the data channel
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* before we send the command, otherwise the
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* server's connect may fail.
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*/
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int sendport = -1;
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static const char *slurpstring();
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int main(int argc, const char *argv[])
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{
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const char *cp;
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int top;
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#if 0
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char homedir[MAXPATHLEN];
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#endif
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int err;
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WORD wVerReq;
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WSADATA WSAData;
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struct servent *sp; /* service spec for tcp/ftp */
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/* Disable output buffering, for the benefit of Emacs. */
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//setbuf(stdout, NULL);
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_fmode = O_BINARY; // This causes an error somewhere.
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wVerReq = MAKEWORD(1,1);
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err = WSAStartup(wVerReq, &WSAData);
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if (err != 0)
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{
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fprintf(stderr, "Could not initialize Windows socket interface.");
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exit(1);
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}
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sp = getservbyname("ftp", "tcp");
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if (sp == 0) {
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fprintf(stderr, "ftp: ftp/tcp: unknown service\n");
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exit(1);
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}
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portnum = sp->s_port;
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doglob = 1;
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interactive = 1;
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autologin = 1;
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argc--, argv++;
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while (argc > 0 && **argv == '-') {
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for (cp = *argv + 1; *cp; cp++)
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switch (*cp) {
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case 'd':
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options |= SO_DEBUG;
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debug++;
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break;
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case 'v':
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verbose++;
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break;
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case 't':
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trace++;
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break;
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case 'i':
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interactive = 0;
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break;
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case 'n':
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autologin = 0;
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break;
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case 'g':
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doglob = 0;
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break;
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default:
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fprintf(stdout,
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"ftp: %c: unknown option\n", *cp);
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exit(1);
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}
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argc--, argv++;
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}
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// fromatty = isatty(fileno(stdin));
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fromatty = 1; // Strengthen this test
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/*
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* Set up defaults for FTP.
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*/
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(void) strcpy(typename, "ascii"), type = TYPE_A;
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(void) strcpy(formname, "non-print"), form = FORM_N;
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(void) strcpy(modename, "stream"), mode = MODE_S;
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(void) strcpy(structname, "file"), stru = STRU_F;
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(void) strcpy(bytename, "8"), bytesize = 8;
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if (fromatty)
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verbose++;
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cpend = 0; /* no pending replies */
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proxy = 0; /* proxy not active */
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passivemode = 1; /* passive mode *is* active */
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crflag = 1; /* strip c.r. on ascii gets */
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/*
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* Set up the home directory in case we're globbing.
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*/
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#if 0
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cp = getlogin();
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if (cp != NULL) {
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pw = getpwnam(cp);
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}
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if (pw == NULL)
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pw = getpwuid(getuid());
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if (pw != NULL) {
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home = homedir;
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(void) strcpy(home, pw->pw_dir);
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}
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#endif
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cp = getenv("SystemDrive");
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if (cp != NULL && *cp != 0)
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{
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strcpy(home, cp);
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strcat(home, "/");
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}
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else
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{
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strcpy(home, "C:/");
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}
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if (argc > 0) {
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if (setjmp(toplevel))
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exit(0);
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// (void) signal(SIGINT, intr);
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// (void) signal(SIGPIPE, lostpeer);
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setpeer(argc + 1, argv - 1);
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}
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top = setjmp(toplevel) == 0;
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if (top) {
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// (void) signal(SIGINT, intr);
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// (void) signal(SIGPIPE, lostpeer);
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}
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for (;;) {
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cmdscanner(top);
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top = 1;
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}
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}
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void intr(void)
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{
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longjmp(toplevel, 1);
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}
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void lostpeer(void)
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{
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extern SOCKET cout;
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extern int data;
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if (connected) {
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if (cout) {
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closesocket(cout);
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cout = 0;
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}
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if (data >= 0) {
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(void) shutdown(data, 1+1);
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(void) close(data);
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data = -1;
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}
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connected = 0;
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}
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pswitch(1);
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if (connected) {
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if (cout) {
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closesocket(cout);
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cout = 0;
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}
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connected = 0;
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}
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proxflag = 0;
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pswitch(0);
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}
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/*char *
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tail(char *filename)
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{
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register char *s;
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while (*filename) {
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s = rindex(filename, '/');
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if (s == NULL)
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break;
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if (s[1])
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return (s + 1);
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*s = '\0';
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}
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return (filename);
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}
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*/
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/*
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* Command parser.
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*/
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void cmdscanner(int top)
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{
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register struct cmd *c;
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if (!top)
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(void) putchar('\n');
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for (;;) {
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(void) fflush(stdout);
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if (fromatty) {
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printf("ftp> ");
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(void) fflush(stdout);
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}
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if (gets(line) == 0) {
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if (feof(stdin) || ferror(stdin))
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quit(0, NULL);
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break;
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}
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if (line[0] == 0)
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break;
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makeargv();
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if (margc == 0) {
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continue;
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}
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c = getcmd(margv[0]);
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if (c == (struct cmd *)-1) {
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printf("?Ambiguous command\n");
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continue;
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}
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if (c == 0) {
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printf("?Invalid command\n");
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continue;
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}
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if (c->c_conn && !connected) {
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printf ("Not connected.\n");
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continue;
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}
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(*c->c_handler)(margc, margv);
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if (bell && c->c_bell)
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(void) putchar('\007');
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if (c->c_handler != help)
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break;
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}
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(void) fflush(stdout);
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// (void) signal(SIGINT, intr);
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// (void) signal(SIGPIPE, lostpeer);
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}
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struct cmd *
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getcmd(const char *name)
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{
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extern struct cmd cmdtab[];
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const char *p, *q;
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struct cmd *c, *found;
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int nmatches, longest;
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longest = 0;
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nmatches = 0;
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found = 0;
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for (c = cmdtab; (p = c->c_name); c++) {
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for (q = name; *q == *p++; q++)
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if (*q == 0) /* exact match? */
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return (c);
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if (!*q) { /* the name was a prefix */
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if (q - name > longest) {
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longest = q - name;
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nmatches = 1;
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found = c;
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} else if (q - name == longest)
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nmatches++;
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}
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}
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if (nmatches > 1)
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return ((struct cmd *)-1);
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return (found);
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}
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/*
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* Slice a string up into argc/argv.
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*/
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int slrflag;
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void makeargv(void)
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{
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const char **argp;
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margc = 0;
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argp = margv;
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stringbase = line; /* scan from first of buffer */
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argbase = argbuf; /* store from first of buffer */
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slrflag = 0;
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while ((*argp++ = slurpstring()))
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margc++;
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}
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/*
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* Parse string into argbuf;
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* implemented with FSM to
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* handle quoting and strings
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*/
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static const char *
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slurpstring(void)
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{
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int got_one = 0;
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register char *sb = stringbase;
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register char *ap = argbase;
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char *tmp = argbase; /* will return this if token found */
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if (*sb == '!' || *sb == '$') { /* recognize ! as a token for shell */
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switch (slrflag) { /* and $ as token for macro invoke */
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case 0:
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slrflag++;
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stringbase++;
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return ((*sb == '!') ? "!" : "$");
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/* NOTREACHED */
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case 1:
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slrflag++;
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altarg = stringbase;
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break;
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default:
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break;
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}
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}
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S0:
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switch (*sb) {
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case '\0':
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goto OUT1;
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case ' ':
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case '\t':
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sb++; goto S0;
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default:
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switch (slrflag) {
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case 0:
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slrflag++;
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break;
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case 1:
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slrflag++;
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altarg = sb;
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break;
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default:
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break;
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}
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goto S1;
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}
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S1:
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switch (*sb) {
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case ' ':
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case '\t':
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case '\0':
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goto OUT1; /* end of token */
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case '\\':
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sb++; goto S2; /* slurp next character */
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case '"':
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sb++; goto S3; /* slurp quoted string */
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default:
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*ap++ = *sb++; /* add character to token */
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got_one = 1;
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goto S1;
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}
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S2:
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switch (*sb) {
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case '\0':
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goto OUT1;
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default:
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*ap++ = *sb++;
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got_one = 1;
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goto S1;
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}
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S3:
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switch (*sb) {
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case '\0':
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goto OUT1;
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case '"':
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sb++; goto S1;
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default:
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*ap++ = *sb++;
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got_one = 1;
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goto S3;
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}
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OUT1:
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if (got_one)
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*ap++ = '\0';
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argbase = ap; /* update storage pointer */
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stringbase = sb; /* update scan pointer */
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if (got_one) {
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return(tmp);
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}
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switch (slrflag) {
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case 0:
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slrflag++;
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break;
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case 1:
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slrflag++;
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altarg = (char *) 0;
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break;
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default:
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break;
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}
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return((char *)0);
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}
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#define HELPINDENT (sizeof ("directory"))
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/*
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* Help command.
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* Call each command handler with argc == 0 and argv[0] == name.
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*/
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void help(int argc, const char *argv[])
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{
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extern struct cmd cmdtab[];
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struct cmd *c;
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if (argc == 1) {
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register int i, j, w, k;
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int columns, width = 0, lines;
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extern int NCMDS;
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printf("Commands may be abbreviated. Commands are:\n\n");
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for (c = cmdtab; c < &cmdtab[NCMDS]; c++) {
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int len = strlen(c->c_name);
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if (len > width)
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width = len;
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}
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width = (width + 8) &~ 7;
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columns = 80 / width;
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if (columns == 0)
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columns = 1;
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lines = (NCMDS + columns - 1) / columns;
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for (i = 0; i < lines; i++) {
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for (j = 0; j < columns; j++) {
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c = cmdtab + j * lines + i;
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if (c->c_name && (!proxy || c->c_proxy)) {
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printf("%s", c->c_name);
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}
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else if (c->c_name) {
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for (k=0; k < (int) strlen(c->c_name); k++) {
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(void) putchar(' ');
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}
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}
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if (c + lines >= &cmdtab[NCMDS]) {
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printf("\n");
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break;
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}
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w = strlen(c->c_name);
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while (w < width) {
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w = (w + 8) &~ 7;
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(void) putchar('\t');
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}
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}
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}
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(void) fflush(stdout);
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return;
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}
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while (--argc > 0) {
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const char *arg;
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arg = *++argv;
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c = getcmd(arg);
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if (c == (struct cmd *)-1)
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printf("?Ambiguous help command %s\n", arg);
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else if (c == (struct cmd *)0)
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printf("?Invalid help command %s\n", arg);
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else
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printf("%-*s\t%s\n", (int)HELPINDENT,
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c->c_name, c->c_help);
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}
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(void) fflush(stdout);
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}
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