/* * Copyright (c) 1985 Regents of the University of California. * 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 California, Berkeley. 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 sccsid[] = "@(#)cmds.c 5.8 (Berkeley) 6/29/88"; #endif /* not lint */ /* * FTP User Program -- Command Routines. */ #include "ftp_var.h" #include <sys/socket.h> #include <arpa/ftp.h> #include <signal.h> #include <stdio.h> #include <errno.h> #include <netdb.h> #include <ctype.h> #include <sys/wait.h> extern char *globerr; extern char **glob(); extern char *home; extern short gflag; extern char *remglob(); extern char *getenv(); extern char *index(); extern char *rindex(); char *mname; jmp_buf jabort; char *dotrans(), *domap(); /* * Connect to peer server and * auto-login, if possible. */ setpeer(argc, argv) int argc; char *argv[]; { char *host, *hookup(); int port; if (connected) { printf("Already connected to %s, use close first.\n", hostname); code = -1; return; } if (argc < 2) { (void) strcat(line, " "); printf("(to) "); (void) gets(&line[strlen(line)]); makeargv(); argc = margc; argv = margv; } if (argc > 3) { printf("usage: %s host-name [port]\n", argv[0]); code = -1; return; } port = sp->s_port; if (argc > 2) { port = atoi(argv[2]); if (port <= 0) { printf("%s: bad port number-- %s\n", argv[1], argv[2]); printf ("usage: %s host-name [port]\n", argv[0]); code = -1; return; } port = htons(port); } host = hookup(argv[1], port); if (host) { connected = 1; if (autologin) (void) login(argv[1]); } } struct types { char *t_name; char *t_mode; int t_type; char *t_arg; } types[] = { { "ascii", "A", TYPE_A, 0 }, { "binary", "I", TYPE_I, 0 }, { "image", "I", TYPE_I, 0 }, { "ebcdic", "E", TYPE_E, 0 }, { "tenex", "L", TYPE_L, bytename }, 0 }; /* * Set transfer type. */ settype(argc, argv) char *argv[]; { register struct types *p; int comret; if (argc > 2) { char *sep; printf("usage: %s [", argv[0]); sep = " "; for (p = types; p->t_name; p++) { printf("%s%s", sep, p->t_name); if (*sep == ' ') sep = " | "; } printf(" ]\n"); code = -1; return; } if (argc < 2) { printf("Using %s mode to transfer files.\n", typename); code = 0; return; } for (p = types; p->t_name; p++) if (strcmp(argv[1], p->t_name) == 0) break; if (p->t_name == 0) { printf("%s: unknown mode\n", argv[1]); code = -1; return; } if ((p->t_arg != NULL) && (*(p->t_arg) != '\0')) comret = command ("TYPE %s %s", p->t_mode, p->t_arg); else comret = command("TYPE %s", p->t_mode); if (comret == COMPLETE) { (void) strcpy(typename, p->t_name); type = p->t_type; } } /* * Set binary transfer type. */ /*VARARGS*/ setbinary() { call(settype, "type", "binary", 0); } /* * Set ascii transfer type. */ /*VARARGS*/ setascii() { call(settype, "type", "ascii", 0); } /* * Set tenex transfer type. */ /*VARARGS*/ settenex() { call(settype, "type", "tenex", 0); } /* * Set ebcdic transfer type. */ /*VARARGS*/ setebcdic() { call(settype, "type", "ebcdic", 0); } /* * Set file transfer mode. */ /*ARGSUSED*/ setmode(argc, argv) char *argv[]; { printf("We only support %s mode, sorry.\n", modename); code = -1; } /* * Set file transfer format. */ /*ARGSUSED*/ setform(argc, argv) char *argv[]; { printf("We only support %s format, sorry.\n", formname); code = -1; } /* * Set file transfer structure. */ /*ARGSUSED*/ setstruct(argc, argv) char *argv[]; { printf("We only support %s structure, sorry.\n", structname); code = -1; } /* * Send a single file. */ put(argc, argv) int argc; char *argv[]; { char *cmd; int loc = 0; char *oldargv1; if (argc == 2) { argc++; argv[2] = argv[1]; loc++; } if (argc < 2) { (void) strcat(line, " "); printf("(local-file) "); (void) gets(&line[strlen(line)]); makeargv(); argc = margc; argv = margv; } if (argc < 2) { usage: printf("usage:%s local-file remote-file\n", argv[0]); code = -1; return; } if (argc < 3) { (void) strcat(line, " "); printf("(remote-file) "); (void) gets(&line[strlen(line)]); makeargv(); argc = margc; argv = margv; } if (argc < 3) goto usage; oldargv1 = argv[1]; if (!globulize(&argv[1])) { code = -1; return; } /* * If "globulize" modifies argv[1], and argv[2] is a copy of * the old argv[1], make it a copy of the new argv[1]. */ if (argv[1] != oldargv1 && argv[2] == oldargv1) { argv[2] = argv[1]; } cmd = (argv[0][0] == 'a') ? "APPE" : ((sunique) ? "STOU" : "STOR"); if (loc && ntflag) { argv[2] = dotrans(argv[2]); } if (loc && mapflag) { argv[2] = domap(argv[2]); } sendrequest(cmd, argv[1], argv[2]); } /* * Send multiple files. */ mput(argc, argv) char *argv[]; { register int i; int ointer, (*oldintr)(), mabort(); extern jmp_buf jabort; char *tp; if (argc < 2) { (void) strcat(line, " "); printf("(local-files) "); (void) gets(&line[strlen(line)]); makeargv(); argc = margc; argv = margv; } if (argc < 2) { printf("usage:%s local-files\n", argv[0]); code = -1; return; } mname = argv[0]; mflag = 1; oldintr = signal(SIGINT, mabort); (void) setjmp(jabort); if (proxy) { char *cp, *tp2, tmpbuf[MAXPATHLEN]; while ((cp = remglob(argv,0)) != NULL) { if (*cp == 0) { mflag = 0; continue; } if (mflag && confirm(argv[0], cp)) { tp = cp; if (mcase) { while (*tp && !islower(*tp)) { tp++; } if (!*tp) { tp = cp; tp2 = tmpbuf; while ((*tp2 = *tp) != NULL) { if (isupper(*tp2)) { *tp2 = 'a' + *tp2 - 'A'; } tp++; tp2++; } } tp = tmpbuf; } if (ntflag) { tp = dotrans(tp); } if (mapflag) { tp = domap(tp); } sendrequest((sunique) ? "STOU" : "STOR", cp,tp); if (!mflag && fromatty) { ointer = interactive; interactive = 1; if (confirm("Continue with","mput")) { mflag++; } interactive = ointer; } } } (void) signal(SIGINT, oldintr); mflag = 0; return; } for (i = 1; i < argc; i++) { register char **cpp, **gargs; if (!doglob) { if (mflag && confirm(argv[0], argv[i])) { tp = (ntflag) ? dotrans(argv[i]) : argv[i]; tp = (mapflag) ? domap(tp) : tp; sendrequest((sunique) ? "STOU" : "STOR", argv[i], tp); if (!mflag && fromatty) { ointer = interactive; interactive = 1; if (confirm("Continue with","mput")) { mflag++; } interactive = ointer; } } continue; } gargs = glob(argv[i]); if (globerr != NULL) { printf("%s\n", globerr); if (gargs) blkfree(gargs); continue; } for (cpp = gargs; cpp && *cpp != NULL; cpp++) { if (mflag && confirm(argv[0], *cpp)) { tp = (ntflag) ? dotrans(*cpp) : *cpp; tp = (mapflag) ? domap(tp) : tp; sendrequest((sunique) ? "STOU" : "STOR", *cpp, tp); if (!mflag && fromatty) { ointer = interactive; interactive = 1; if (confirm("Continue with","mput")) { mflag++; } interactive = ointer; } } } if (gargs != NULL) blkfree(gargs); } (void) signal(SIGINT, oldintr); mflag = 0; } /* * Receive one file. */ get(argc, argv) char *argv[]; { int loc = 0; if (argc == 2) { argc++; argv[2] = argv[1]; loc++; } if (argc < 2) { (void) strcat(line, " "); printf("(remote-file) "); (void) gets(&line[strlen(line)]); makeargv(); argc = margc; argv = margv; } if (argc < 2) { usage: printf("usage: %s remote-file [ local-file ]\n", argv[0]); code = -1; return; } if (argc < 3) { (void) strcat(line, " "); printf("(local-file) "); (void) gets(&line[strlen(line)]); makeargv(); argc = margc; argv = margv; } if (argc < 3) goto usage; if (!globulize(&argv[2])) { code = -1; return; } if (loc && mcase) { char *tp = argv[1], *tp2, tmpbuf[MAXPATHLEN]; while (*tp && !islower(*tp)) { tp++; } if (!*tp) { tp = argv[2]; tp2 = tmpbuf; while ((*tp2 = *tp) != NULL) { if (isupper(*tp2)) { *tp2 = 'a' + *tp2 - 'A'; } tp++; tp2++; } argv[2] = tmpbuf; } } if (loc && ntflag) { argv[2] = dotrans(argv[2]); } if (loc && mapflag) { argv[2] = domap(argv[2]); } recvrequest("RETR", argv[2], argv[1], "w"); } mabort() { int ointer; extern jmp_buf jabort; printf("\n"); (void) fflush(stdout); if (mflag && fromatty) { ointer = interactive; interactive = 1; if (confirm("Continue with", mname)) { interactive = ointer; longjmp(jabort,0); } interactive = ointer; } mflag = 0; longjmp(jabort,0); } /* * Get multiple files. */ mget(argc, argv) char *argv[]; { char *cp, *tp, *tp2, tmpbuf[MAXPATHLEN]; int ointer, (*oldintr)(), mabort(); extern jmp_buf jabort; if (argc < 2) { (void) strcat(line, " "); printf("(remote-files) "); (void) gets(&line[strlen(line)]); makeargv(); argc = margc; argv = margv; } if (argc < 2) { printf("usage:%s remote-files\n", argv[0]); code = -1; return; } mname = argv[0]; mflag = 1; oldintr = signal(SIGINT,mabort); (void) setjmp(jabort); while ((cp = remglob(argv,proxy)) != NULL) { if (*cp == '\0') { mflag = 0; continue; } if (mflag && confirm(argv[0], cp)) { tp = cp; if (mcase) { while (*tp && !islower(*tp)) { tp++; } if (!*tp) { tp = cp; tp2 = tmpbuf; while ((*tp2 = *tp) != NULL) { if (isupper(*tp2)) { *tp2 = 'a' + *tp2 - 'A'; } tp++; tp2++; } } tp = tmpbuf; } if (ntflag) { tp = dotrans(tp); } if (mapflag) { tp = domap(tp); } recvrequest("RETR", tp, cp, "w"); if (!mflag && fromatty) { ointer = interactive; interactive = 1; if (confirm("Continue with","mget")) { mflag++; } interactive = ointer; } } } (void) signal(SIGINT,oldintr); mflag = 0; } char * remglob(argv,doswitch) char *argv[]; int doswitch; { char temp[16]; static char buf[MAXPATHLEN]; static FILE *ftemp = NULL; static char **args; int oldverbose, oldhash; char *cp, *mode; if (!mflag) { if (!doglob) { args = NULL; } else { if (ftemp) { (void) fclose(ftemp); ftemp = NULL; } } return(NULL); } if (!doglob) { if (args == NULL) args = argv; if ((cp = *++args) == NULL) args = NULL; return (cp); } if (ftemp == NULL) { (void) strcpy(temp, "/tmp/ftpXXXXXX"); (void) mktemp(temp); oldverbose = verbose, verbose = 0; oldhash = hash, hash = 0; if (doswitch) { pswitch(!proxy); } for (mode = "w"; *++argv != NULL; mode = "a") recvrequest ("NLST", temp, *argv, mode); if (doswitch) { pswitch(!proxy); } verbose = oldverbose; hash = oldhash; ftemp = fopen(temp, "r"); (void) unlink(temp); if (ftemp == NULL) { printf("can't find list of remote files, oops\n"); return (NULL); } } if (fgets(buf, sizeof (buf), ftemp) == NULL) { (void) fclose(ftemp), ftemp = NULL; return (NULL); } if ((cp = index(buf, '\n')) != NULL) *cp = '\0'; return (buf); } char * onoff(bool) int bool; { return (bool ? "on" : "off"); } /* * Show status. */ /*ARGSUSED*/ status(argc, argv) char *argv[]; { int i; if (connected) printf("Connected to %s.\n", hostname); else printf("Not connected.\n"); if (!proxy) { pswitch(1); if (connected) { printf("Connected for proxy commands to %s.\n", hostname); } else { printf("No proxy connection.\n"); } pswitch(0); } printf("Mode: %s; Type: %s; Form: %s; Structure: %s\n", modename, typename, formname, structname); printf("Verbose: %s; Bell: %s; Prompting: %s; Globbing: %s\n", onoff(verbose), onoff(bell), onoff(interactive), onoff(doglob)); printf("Store unique: %s; Receive unique: %s\n", onoff(sunique), onoff(runique)); printf("Case: %s; CR stripping: %s\n",onoff(mcase),onoff(crflag)); if (ntflag) { printf("Ntrans: (in) %s (out) %s\n", ntin,ntout); } else { printf("Ntrans: off\n"); } if (mapflag) { printf("Nmap: (in) %s (out) %s\n", mapin, mapout); } else { printf("Nmap: off\n"); } printf("Hash mark printing: %s; Use of PORT cmds: %s\n", onoff(hash), onoff(sendport)); if (macnum > 0) { printf("Macros:\n"); for (i=0; i<macnum; i++) { printf("\t%s\n",macros[i].mac_name); } } code = 0; } /* * Set beep on cmd completed mode. */ /*VARARGS*/ setbell() { bell = !bell; printf("Bell mode %s.\n", onoff(bell)); code = bell; } /* * Turn on packet tracing. */ /*VARARGS*/ settrace() { trace = !trace; printf("Packet tracing %s.\n", onoff(trace)); code = trace; } /* * Toggle hash mark printing during transfers. */ /*VARARGS*/ sethash() { hash = !hash; printf("Hash mark printing %s", onoff(hash)); code = hash; if (hash) printf(" (%d bytes/hash mark)", BUFSIZ); printf(".\n"); } /* * Turn on printing of server echo's. */ /*VARARGS*/ setverbose() { verbose = !verbose; printf("Verbose mode %s.\n", onoff(verbose)); code = verbose; } /* * Toggle PORT cmd use before each data connection. */ /*VARARGS*/ setport() { sendport = !sendport; printf("Use of PORT cmds %s.\n", onoff(sendport)); code = sendport; } /* * Turn on interactive prompting * during mget, mput, and mdelete. */ /*VARARGS*/ setprompt() { interactive = !interactive; printf("Interactive mode %s.\n", onoff(interactive)); code = interactive; } /* * Toggle metacharacter interpretation * on local file names. */ /*VARARGS*/ setglob() { doglob = !doglob; printf("Globbing %s.\n", onoff(doglob)); code = doglob; } /* * Set debugging mode on/off and/or * set level of debugging. */ /*VARARGS*/ setdebug(argc, argv) char *argv[]; { int val; if (argc > 1) { val = atoi(argv[1]); if (val < 0) { printf("%s: bad debugging value.\n", argv[1]); code = -1; return; } } else val = !debug; debug = val; if (debug) options |= SO_DEBUG; else options &= ~SO_DEBUG; printf("Debugging %s (debug=%d).\n", onoff(debug), debug); code = debug > 0; } /* * Set current working directory * on remote machine. */ cd(argc, argv) char *argv[]; { if (argc < 2) { (void) strcat(line, " "); printf("(remote-directory) "); (void) gets(&line[strlen(line)]); makeargv(); argc = margc; argv = margv; } if (argc < 2) { printf("usage:%s remote-directory\n", argv[0]); code = -1; return; } (void) command("CWD %s", argv[1]); } /* * Set current working directory * on local machine. */ lcd(argc, argv) char *argv[]; { char buf[MAXPATHLEN]; if (argc < 2) argc++, argv[1] = home; if (argc != 2) { printf("usage:%s local-directory\n", argv[0]); code = -1; return; } if (!globulize(&argv[1])) { code = -1; return; } if (chdir(argv[1]) < 0) { perror(argv[1]); code = -1; return; } printf("Local directory now %s\n", getwd(buf)); code = 0; } /* * Delete a single file. */ delete(argc, argv) char *argv[]; { if (argc < 2) { (void) strcat(line, " "); printf("(remote-file) "); (void) gets(&line[strlen(line)]); makeargv(); argc = margc; argv = margv; } if (argc < 2) { printf("usage:%s remote-file\n", argv[0]); code = -1; return; } (void) command("DELE %s", argv[1]); } /* * Delete multiple files. */ mdelete(argc, argv) char *argv[]; { char *cp; int ointer, (*oldintr)(), mabort(); extern jmp_buf jabort; if (argc < 2) { (void) strcat(line, " "); printf("(remote-files) "); (void) gets(&line[strlen(line)]); makeargv(); argc = margc; argv = margv; } if (argc < 2) { printf("usage:%s remote-files\n", argv[0]); code = -1; return; } mname = argv[0]; mflag = 1; oldintr = signal(SIGINT, mabort); (void) setjmp(jabort); while ((cp = remglob(argv,0)) != NULL) { if (*cp == '\0') { mflag = 0; continue; } if (mflag && confirm(argv[0], cp)) { (void) command("DELE %s", cp); if (!mflag && fromatty) { ointer = interactive; interactive = 1; if (confirm("Continue with", "mdelete")) { mflag++; } interactive = ointer; } } } (void) signal(SIGINT, oldintr); mflag = 0; } /* * Rename a remote file. */ renamefile(argc, argv) char *argv[]; { if (argc < 2) { (void) strcat(line, " "); printf("(from-name) "); (void) gets(&line[strlen(line)]); makeargv(); argc = margc; argv = margv; } if (argc < 2) { usage: printf("%s from-name to-name\n", argv[0]); code = -1; return; } if (argc < 3) { (void) strcat(line, " "); printf("(to-name) "); (void) gets(&line[strlen(line)]); makeargv(); argc = margc; argv = margv; } if (argc < 3) goto usage; if (command("RNFR %s", argv[1]) == CONTINUE) (void) command("RNTO %s", argv[2]); } /* * Get a directory listing * of remote files. */ ls(argc, argv) char *argv[]; { char *cmd; if (argc < 2) argc++, argv[1] = NULL; if (argc < 3) argc++, argv[2] = "-"; if (argc > 3) { printf("usage: %s remote-directory local-file\n", argv[0]); code = -1; return; } cmd = argv[0][0] == 'l' ? "NLST" : "LIST"; if (strcmp(argv[2], "-") && !globulize(&argv[2])) { code = -1; return; } if (strcmp(argv[2], "-") && *argv[2] != '|') if (!globulize(&argv[2]) || !confirm("output to local-file:", argv[2])) { code = -1; return; } recvrequest(cmd, argv[2], argv[1], "w"); } /* * Get a directory listing * of multiple remote files. */ mls(argc, argv) char *argv[]; { char *cmd, mode[1], *dest; int ointer, i, (*oldintr)(), mabort(); extern jmp_buf jabort; if (argc < 2) { (void) strcat(line, " "); printf("(remote-files) "); (void) gets(&line[strlen(line)]); makeargv(); argc = margc; argv = margv; } if (argc < 3) { (void) strcat(line, " "); printf("(local-file) "); (void) gets(&line[strlen(line)]); makeargv(); argc = margc; argv = margv; } if (argc < 3) { printf("usage:%s remote-files local-file\n", argv[0]); code = -1; return; } dest = argv[argc - 1]; argv[argc - 1] = NULL; if (strcmp(dest, "-") && *dest != '|') if (!globulize(&dest) || !confirm("output to local-file:", dest)) { code = -1; return; } cmd = argv[0][1] == 'l' ? "NLST" : "LIST"; mname = argv[0]; mflag = 1; oldintr = signal(SIGINT, mabort); (void) setjmp(jabort); for (i = 1; mflag && i < argc-1; ++i) { *mode = (i == 1) ? 'w' : 'a'; recvrequest(cmd, dest, argv[i], mode); if (!mflag && fromatty) { ointer = interactive; interactive = 1; if (confirm("Continue with", argv[0])) { mflag ++; } interactive = ointer; } } (void) signal(SIGINT, oldintr); mflag = 0; } /* * Do a shell escape */ /*ARGSUSED*/ shell(argc, argv) char *argv[]; { int pid, (*old1)(), (*old2)(); char shellnam[40], *shell, *namep; union wait status; old1 = signal (SIGINT, SIG_IGN); old2 = signal (SIGQUIT, SIG_IGN); if ((pid = fork()) == 0) { for (pid = 3; pid < 20; pid++) (void) close(pid); (void) signal(SIGINT, SIG_DFL); (void) signal(SIGQUIT, SIG_DFL); shell = getenv("SHELL"); if (shell == NULL) shell = "/bin/sh"; namep = rindex(shell,'/'); if (namep == NULL) namep = shell; (void) strcpy(shellnam,"-"); (void) strcat(shellnam, ++namep); if (strcmp(namep, "sh") != 0) shellnam[0] = '+'; if (debug) { printf ("%s\n", shell); (void) fflush (stdout); } if (argc > 1) { execl(shell,shellnam,"-c",altarg,(char *)0); } else { execl(shell,shellnam,(char *)0); } perror(shell); code = -1; exit(1); } if (pid > 0) while (wait(&status) != pid) ; (void) signal(SIGINT, old1); (void) signal(SIGQUIT, old2); if (pid == -1) { perror("Try again later"); code = -1; } else { code = 0; } return (0); } /* * Send new user information (re-login) */ user(argc, argv) int argc; char **argv; { char acct[80], *mygetpass(); int n, aflag = 0; if (argc < 2) { (void) strcat(line, " "); printf("(username) "); (void) gets(&line[strlen(line)]); makeargv(); argc = margc; argv = margv; } if (argc > 4) { printf("usage: %s username [password] [account]\n", argv[0]); code = -1; return (0); } n = command("USER %s", argv[1]); if (n == CONTINUE) { if (argc < 3 ) argv[2] = mygetpass("Password: "), argc++; n = command("PASS %s", argv[2]); } if (n == CONTINUE) { if (argc < 4) { printf("Account: "); (void) fflush(stdout); (void) fgets(acct, sizeof(acct) - 1, stdin); acct[strlen(acct) - 1] = '\0'; argv[3] = acct; argc++; } n = command("ACCT %s", argv[3]); aflag++; } if (n != COMPLETE) { fprintf(stdout, "Login failed.\n"); return (0); } if (!aflag && argc == 4) { (void) command("ACCT %s", argv[3]); } return (1); } /* * Print working directory. */ /*VARARGS*/ pwd() { (void) command("PWD"); } /* * Make a directory. */ makedir(argc, argv) char *argv[]; { if (argc < 2) { (void) strcat(line, " "); printf("(directory-name) "); (void) gets(&line[strlen(line)]); makeargv(); argc = margc; argv = margv; } if (argc < 2) { printf("usage: %s directory-name\n", argv[0]); code = -1; return; } (void) command("MKD %s", argv[1]); } /* * Remove a directory. */ removedir(argc, argv) char *argv[]; { if (argc < 2) { (void) strcat(line, " "); printf("(directory-name) "); (void) gets(&line[strlen(line)]); makeargv(); argc = margc; argv = margv; } if (argc < 2) { printf("usage: %s directory-name\n", argv[0]); code = -1; return; } (void) command("RMD %s", argv[1]); } /* * Send a line, verbatim, to the remote machine. */ quote(argc, argv) char *argv[]; { int i; char buf[BUFSIZ]; if (argc < 2) { (void) strcat(line, " "); printf("(command line to send) "); (void) gets(&line[strlen(line)]); makeargv(); argc = margc; argv = margv; } if (argc < 2) { printf("usage: %s line-to-send\n", argv[0]); code = -1; return; } (void) strcpy(buf, argv[1]); for (i = 2; i < argc; i++) { (void) strcat(buf, " "); (void) strcat(buf, argv[i]); } if (command(buf) == PRELIM) { while (getreply(0) == PRELIM); } } /* * Ask the other side for help. */ rmthelp(argc, argv) char *argv[]; { int oldverbose = verbose; verbose = 1; (void) command(argc == 1 ? "HELP" : "HELP %s", argv[1]); verbose = oldverbose; } /* * Terminate session and exit. */ /*VARARGS*/ quit() { if (connected) disconnect(); pswitch(1); if (connected) { disconnect(); } exit(0); } /* * Terminate session, but don't exit. */ disconnect() { extern FILE *cout; extern int data; if (!connected) return; (void) command("QUIT"); if (cout) { (void) fclose(cout); } cout = NULL; connected = 0; data = -1; if (!proxy) { macnum = 0; } } confirm(cmd, file) char *cmd, *file; { char line[BUFSIZ]; if (!interactive) return (1); printf("%s %s? ", cmd, file); (void) fflush(stdout); (void) gets(line); return (*line != 'n' && *line != 'N'); } fatal(msg) char *msg; { fprintf(stderr, "ftp: %s\n", msg); exit(1); } /* * Glob a local file name specification with * the expectation of a single return value. * Can't control multiple values being expanded * from the expression, we return only the first. */ globulize(cpp) char **cpp; { char **globbed; if (!doglob) return (1); globbed = glob(*cpp); if (globerr != NULL) { printf("%s: %s\n", *cpp, globerr); if (globbed) blkfree(globbed); return (0); } if (globbed) { *cpp = *globbed++; /* don't waste too much memory */ if (*globbed) blkfree(globbed); } return (1); } account(argc,argv) int argc; char **argv; { char acct[50], *mygetpass(), *ap; if (argc > 1) { ++argv; --argc; (void) strncpy(acct,*argv,49); acct[50] = '\0'; while (argc > 1) { --argc; ++argv; (void) strncat(acct,*argv, 49-strlen(acct)); } ap = acct; } else { ap = mygetpass("Account:"); } (void) command("ACCT %s", ap); } jmp_buf abortprox; proxabort() { extern int proxy; if (!proxy) { pswitch(1); } if (connected) { proxflag = 1; } else { proxflag = 0; } pswitch(0); longjmp(abortprox,1); } doproxy(argc,argv) int argc; char *argv[]; { int (*oldintr)(), proxabort(); register struct cmd *c; struct cmd *getcmd(); extern struct cmd cmdtab[]; extern jmp_buf abortprox; if (argc < 2) { (void) strcat(line, " "); printf("(command) "); (void) gets(&line[strlen(line)]); makeargv(); argc = margc; argv = margv; } if (argc < 2) { printf("usage:%s command\n", argv[0]); code = -1; return; } c = getcmd(argv[1]); if (c == (struct cmd *) -1) { printf("?Ambiguous command\n"); (void) fflush(stdout); code = -1; return; } if (c == 0) { printf("?Invalid command\n"); (void) fflush(stdout); code = -1; return; } if (!c->c_proxy) { printf("?Invalid proxy command\n"); (void) fflush(stdout); code = -1; return; } if (setjmp(abortprox)) { code = -1; return; } oldintr = signal(SIGINT, proxabort); pswitch(1); if (c->c_conn && !connected) { printf("Not connected\n"); (void) fflush(stdout); pswitch(0); (void) signal(SIGINT, oldintr); code = -1; return; } (*c->c_handler)(argc-1, argv+1); if (connected) { proxflag = 1; } else { proxflag = 0; } pswitch(0); (void) signal(SIGINT, oldintr); } setcase() { mcase = !mcase; printf("Case mapping %s.\n", onoff(mcase)); code = mcase; } setcr() { crflag = !crflag; printf("Carriage Return stripping %s.\n", onoff(crflag)); code = crflag; } setntrans(argc,argv) int argc; char *argv[]; { if (argc == 1) { ntflag = 0; printf("Ntrans off.\n"); code = ntflag; return; } ntflag++; code = ntflag; (void) strncpy(ntin, argv[1], 16); ntin[16] = '\0'; if (argc == 2) { ntout[0] = '\0'; return; } (void) strncpy(ntout, argv[2], 16); ntout[16] = '\0'; } char * dotrans(name) char *name; { static char new[MAXPATHLEN]; char *cp1, *cp2 = new; register int i, ostop, found; for (ostop = 0; *(ntout + ostop) && ostop < 16; ostop++); for (cp1 = name; *cp1; cp1++) { found = 0; for (i = 0; *(ntin + i) && i < 16; i++) { if (*cp1 == *(ntin + i)) { found++; if (i < ostop) { *cp2++ = *(ntout + i); } break; } } if (!found) { *cp2++ = *cp1; } } *cp2 = '\0'; return(new); } setnmap(argc, argv) int argc; char *argv[]; { char *cp; if (argc == 1) { mapflag = 0; printf("Nmap off.\n"); code = mapflag; return; } if (argc < 3) { (void) strcat(line, " "); printf("(mapout) "); (void) gets(&line[strlen(line)]); makeargv(); argc = margc; argv = margv; } if (argc < 3) { printf("Usage: %s [mapin mapout]\n",argv[0]); code = -1; return; } mapflag = 1; code = 1; cp = index(altarg, ' '); if (proxy) { while(*++cp == ' '); altarg = cp; cp = index(altarg, ' '); } *cp = '\0'; (void) strncpy(mapin, altarg, MAXPATHLEN - 1); while (*++cp == ' '); (void) strncpy(mapout, cp, MAXPATHLEN - 1); } char * domap(name) char *name; { static char new[MAXPATHLEN]; register char *cp1 = name, *cp2 = mapin; char *tp[9], *te[9]; int i, toks[9], toknum, match = 1; for (i=0; i < 9; ++i) { toks[i] = 0; } while (match && *cp1 && *cp2) { switch (*cp2) { case '\\': if (*++cp2 != *cp1) { match = 0; } break; case '$': if (*(cp2+1) >= '1' && (*cp2+1) <= '9') { if (*cp1 != *(++cp2+1)) { toks[toknum = *cp2 - '1']++; tp[toknum] = cp1; while (*++cp1 && *(cp2+1) != *cp1); te[toknum] = cp1; } cp2++; break; } /* intentional drop through */ default: if (*cp2 != *cp1) { match = 0; } break; } if (*cp1) { cp1++; } if (*cp2) { cp2++; } } cp1 = new; *cp1 = '\0'; cp2 = mapout; while (*cp2) { match = 0; switch (*cp2) { case '\\': if (*(cp2 + 1)) { *cp1++ = *++cp2; } break; case '[': LOOP: if (*++cp2 == '$' && isdigit(*(cp2+1))) { if (*++cp2 == '0') { char *cp3 = name; while (*cp3) { *cp1++ = *cp3++; } match = 1; } else if (toks[toknum = *cp2 - '1']) { char *cp3 = tp[toknum]; while (cp3 != te[toknum]) { *cp1++ = *cp3++; } match = 1; } } else { while (*cp2 && *cp2 != ',' && *cp2 != ']') { if (*cp2 == '\\') { cp2++; } else if (*cp2 == '$' && isdigit(*(cp2+1))) { if (*++cp2 == '0') { char *cp3 = name; while (*cp3) { *cp1++ = *cp3++; } } else if (toks[toknum = *cp2 - '1']) { char *cp3=tp[toknum]; while (cp3 != te[toknum]) { *cp1++ = *cp3++; } } } else if (*cp2) { *cp1++ = *cp2++; } } if (!*cp2) { printf("nmap: unbalanced brackets\n"); return(name); } match = 1; cp2--; } if (match) { while (*++cp2 && *cp2 != ']') { if (*cp2 == '\\' && *(cp2 + 1)) { cp2++; } } if (!*cp2) { printf("nmap: unbalanced brackets\n"); return(name); } break; } switch (*++cp2) { case ',': goto LOOP; case ']': break; default: cp2--; goto LOOP; } break; case '$': if (isdigit(*(cp2 + 1))) { if (*++cp2 == '0') { char *cp3 = name; while (*cp3) { *cp1++ = *cp3++; } } else if (toks[toknum = *cp2 - '1']) { char *cp3 = tp[toknum]; while (cp3 != te[toknum]) { *cp1++ = *cp3++; } } break; } /* intentional drop through */ default: *cp1++ = *cp2; break; } cp2++; } *cp1 = '\0'; if (!*new) { return(name); } return(new); } setsunique() { sunique = !sunique; printf("Store unique %s.\n", onoff(sunique)); code = sunique; } setrunique() { runique = !runique; printf("Receive unique %s.\n", onoff(runique)); code = runique; } /* change directory to perent directory */ cdup() { (void) command("CDUP"); } macdef(argc, argv) int argc; char *argv[]; { char *tmp; int c; if (macnum == 16) { printf("Limit of 16 macros have already been defined\n"); code = -1; return; } if (argc < 2) { (void) strcat(line, " "); printf("(macro name) "); (void) gets(&line[strlen(line)]); makeargv(); argc = margc; argv = margv; } if (argc != 2) { printf("Usage: %s macro_name\n",argv[0]); code = -1; return; } if (interactive) { printf("Enter macro line by line, terminating it with a null line\n"); } (void) strncpy(macros[macnum].mac_name, argv[1], 8); if (macnum == 0) { macros[macnum].mac_start = macbuf; } else { macros[macnum].mac_start = macros[macnum - 1].mac_end + 1; } tmp = macros[macnum].mac_start; while (tmp != macbuf+4096) { if ((c = getchar()) == EOF) { printf("macdef:end of file encountered\n"); code = -1; return; } if ((*tmp = c) == '\n') { if (tmp == macros[macnum].mac_start) { macros[macnum++].mac_end = tmp; code = 0; return; } if (*(tmp-1) == '\0') { macros[macnum++].mac_end = tmp - 1; code = 0; return; } *tmp = '\0'; } tmp++; } while (1) { while ((c = getchar()) != '\n' && c != EOF); if (c == EOF || getchar() == '\n') { printf("Macro not defined - 4k buffer exceeded\n"); code = -1; return; } } }