/* $OpenBSD: cmds.c,v 1.58 2008/05/13 02:09:38 ray Exp $ */ /* $NetBSD: cmds.c,v 1.27 1997/08/18 10:20:15 lukem Exp $ */ /* * Copyright (C) 1997 and 1998 WIDE Project. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the project nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Copyright (c) 1985, 1989, 1993, 1994 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #if !defined(lint) && !defined(SMALL) static const char rcsid[] = "$OpenBSD: cmds.c,v 1.58 2008/05/13 02:09:38 ray Exp $"; #endif /* not lint and not SMALL */ /* * FTP User Program -- Command Routines. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include "ftp_var.h" #include "pathnames.h" jmp_buf jabort; char *mname; char *home = "/"; 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 }, { NULL } }; /* * Set transfer type. */ void settype(int argc, char *argv[]) { struct types *p; int comret; if (argc > 2) { char *sep; fprintf(ttyout, "usage: %s [", argv[0]); sep = " "; for (p = types; p->t_name; p++) { fprintf(ttyout, "%s%s", sep, p->t_name); sep = " | "; } fputs(" ]\n", ttyout); code = -1; return; } if (argc < 2) { fprintf(ttyout, "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) { fprintf(ttyout, "%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)strlcpy(typename, p->t_name, sizeof typename); curtype = type = p->t_type; } } /* * Internal form of settype; changes current type in use with server * without changing our notion of the type for data transfers. * Used to change to and from ascii for listings. */ void changetype(int newtype, int show) { struct types *p; int comret, oldverbose = verbose; if (newtype == 0) newtype = TYPE_I; if (newtype == curtype) return; if (debug == 0 && show == 0) verbose = 0; for (p = types; p->t_name; p++) if (newtype == p->t_type) break; if (p->t_name == 0) { warnx("internal error: unknown type %d.", newtype); return; } if (newtype == TYPE_L && bytename[0] != '\0') comret = command("TYPE %s %s", p->t_mode, bytename); else comret = command("TYPE %s", p->t_mode); if (comret == COMPLETE) curtype = newtype; verbose = oldverbose; } char *stype[] = { "type", "", 0 }; /* * Set binary transfer type. */ /*ARGSUSED*/ void setbinary(int argc, char *argv[]) { stype[1] = "binary"; settype(2, stype); } /* * Set ascii transfer type. */ /*ARGSUSED*/ void setascii(int argc, char *argv[]) { stype[1] = "ascii"; settype(2, stype); } /* * Set tenex transfer type. */ /*ARGSUSED*/ void settenex(int argc, char *argv[]) { stype[1] = "tenex"; settype(2, stype); } /* * Set file transfer mode. */ /*ARGSUSED*/ void setftmode(int argc, char *argv[]) { fprintf(ttyout, "We only support %s mode, sorry.\n", modename); code = -1; } /* * Set file transfer format. */ /*ARGSUSED*/ void setform(int argc, char *argv[]) { fprintf(ttyout, "We only support %s format, sorry.\n", formname); code = -1; } /* * Set file transfer structure. */ /*ARGSUSED*/ void setstruct(int argc, char *argv[]) { fprintf(ttyout, "We only support %s structure, sorry.\n", structname); code = -1; } /* * Send a single file. */ void put(int argc, char *argv[]) { char *cmd; int loc = 0; char *oldargv1, *oldargv2; if (argc == 2) { argc++; argv[2] = argv[1]; loc++; } if (argc < 2 && !another(&argc, &argv, "local-file")) goto usage; if ((argc < 3 && !another(&argc, &argv, "remote-file")) || argc > 3) { usage: fprintf(ttyout, "usage: %s local-file [ remote-file ]\n", argv[0]); code = -1; return; } oldargv1 = argv[1]; oldargv2 = argv[2]; 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], argv[1] != oldargv1 || argv[2] != oldargv2); if (oldargv1 != argv[1]) /* free up after globulize() */ free(argv[1]); } /* * Send multiple files. */ void mput(int argc, char *argv[]) { int i; sig_t oldintr; int ointer; char *tp; if (argc < 2 && !another(&argc, &argv, "local-files")) { fprintf(ttyout, "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)) != 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) != '\0') { if (isupper(*tp2)) { *tp2 = tolower(*tp2); } tp++; tp2++; } } tp = tmpbuf; } if (ntflag) { tp = dotrans(tp); } if (mapflag) { tp = domap(tp); } sendrequest((sunique) ? "STOU" : "STOR", cp, tp, cp != tp || !interactive); 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++) { char **cpp; glob_t gl; int flags; 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, tp != argv[i] || !interactive); if (!mflag && fromatty) { ointer = interactive; interactive = 1; if (confirm("Continue with", "mput")) { mflag++; } interactive = ointer; } } continue; } memset(&gl, 0, sizeof(gl)); flags = GLOB_BRACE|GLOB_NOCHECK|GLOB_QUOTE|GLOB_TILDE; if (glob(argv[i], flags, NULL, &gl) || gl.gl_pathc == 0) { warnx("%s: not found", argv[i]); globfree(&gl); continue; } for (cpp = gl.gl_pathv; 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, *cpp != tp || !interactive); if (!mflag && fromatty) { ointer = interactive; interactive = 1; if (confirm("Continue with", "mput")) { mflag++; } interactive = ointer; } } } globfree(&gl); } (void)signal(SIGINT, oldintr); mflag = 0; } void reget(int argc, char *argv[]) { (void)getit(argc, argv, 1, "r+w"); } void get(int argc, char *argv[]) { (void)getit(argc, argv, 0, restart_point ? "r+w" : "w" ); } /* * Receive one file. */ int getit(int argc, char *argv[], int restartit, const char *mode) { int loc = 0; int rval = 0; char *oldargv1, *oldargv2, *globargv2; if (argc == 2) { argc++; argv[2] = argv[1]; loc++; } if (argc < 2 && !another(&argc, &argv, "remote-file")) goto usage; if ((argc < 3 && !another(&argc, &argv, "local-file")) || argc > 3) { usage: fprintf(ttyout, "usage: %s remote-file [ local-file ]\n", argv[0]); code = -1; return (0); } oldargv1 = argv[1]; oldargv2 = argv[2]; if (!globulize(&argv[2])) { code = -1; return (0); } globargv2 = argv[2]; 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) != '\0') { if (isupper(*tp2)) { *tp2 = tolower(*tp2); } tp++; tp2++; } argv[2] = tmpbuf; } } if (loc && ntflag) argv[2] = dotrans(argv[2]); if (loc && mapflag) argv[2] = domap(argv[2]); if (restartit) { struct stat stbuf; int ret; ret = stat(argv[2], &stbuf); if (restartit == 1) { if (ret < 0) { warn("local: %s", argv[2]); goto freegetit; } restart_point = stbuf.st_size; } else { if (ret == 0) { time_t mtime; mtime = remotemodtime(argv[1], 0); if (mtime == -1) goto freegetit; if (stbuf.st_mtime >= mtime) { rval = 1; goto freegetit; } } } } recvrequest("RETR", argv[2], argv[1], mode, argv[1] != oldargv1 || argv[2] != oldargv2, loc); restart_point = 0; freegetit: if (oldargv2 != globargv2) /* free up after globulize() */ free(globargv2); return (rval); } /* XXX - Signal race. */ /* ARGSUSED */ void mabort(int signo) { int ointer, oconf; alarmtimer(0); putc('\n', ttyout); (void)fflush(ttyout); if (mflag && fromatty) { ointer = interactive; oconf = confirmrest; interactive = 1; confirmrest = 0; if (confirm("Continue with", mname)) { interactive = ointer; confirmrest = oconf; longjmp(jabort, 1); } interactive = ointer; confirmrest = oconf; } mflag = 0; longjmp(jabort, 1); } /* * Get multiple files. */ void mget(int argc, char *argv[]) { sig_t oldintr; int ch, ointer; char *cp, *tp, *tp2, tmpbuf[MAXPATHLEN], localcwd[MAXPATHLEN]; if (argc < 2 && !another(&argc, &argv, "remote-files")) { fprintf(ttyout, "usage: %s remote-files\n", argv[0]); code = -1; return; } mname = argv[0]; mflag = 1; if (getcwd(localcwd, sizeof(localcwd)) == NULL) err(1, "can't get cwd"); oldintr = signal(SIGINT, mabort); (void)setjmp(jabort); while ((cp = remglob(argv, proxy, NULL)) != NULL) { if (*cp == '\0') { mflag = 0; continue; } if (!mflag) continue; if (!fileindir(cp, localcwd)) { fprintf(ttyout, "Skipping non-relative filename `%s'\n", cp); continue; } if (confirm(argv[0], cp)) { tp = cp; if (mcase) { for (tp2 = tmpbuf; (ch = *tp++) != 0; ) *tp2++ = isupper(ch) ? tolower(ch) : ch; *tp2 = '\0'; tp = tmpbuf; } if (ntflag) tp = dotrans(tp); if (mapflag) tp = domap(tp); recvrequest("RETR", tp, cp, "w", tp != cp || !interactive, 1); if (!mflag && fromatty) { ointer = interactive; interactive = 1; if (confirm("Continue with", "mget")) { mflag++; } interactive = ointer; } } } (void)signal(SIGINT, oldintr); mflag = 0; } char * onoff(int bool) { return (bool ? "on" : "off"); } /* * Show status. */ /*ARGSUSED*/ void status(int argc, char *argv[]) { int i; if (connected) fprintf(ttyout, "Connected %sto %s.\n", connected == -1 ? "and logged in" : "", hostname); else fputs("Not connected.\n", ttyout); if (!proxy) { pswitch(1); if (connected) { fprintf(ttyout, "Connected for proxy commands to %s.\n", hostname); } else { fputs("No proxy connection.\n", ttyout); } pswitch(0); } fprintf(ttyout, "Gate ftp: %s, server %s, port %s.\n", onoff(gatemode), *gateserver ? gateserver : "(none)", gateport); fprintf(ttyout, "Passive mode: %s.\n", onoff(passivemode)); fprintf(ttyout, "Mode: %s; Type: %s; Form: %s; Structure: %s.\n", modename, typename, formname, structname); fprintf(ttyout, "Verbose: %s; Bell: %s; Prompting: %s; Globbing: %s.\n", onoff(verbose), onoff(bell), onoff(interactive), onoff(doglob)); fprintf(ttyout, "Store unique: %s; Receive unique: %s.\n", onoff(sunique), onoff(runique)); fprintf(ttyout, "Preserve modification times: %s.\n", onoff(preserve)); fprintf(ttyout, "Case: %s; CR stripping: %s.\n", onoff(mcase), onoff(crflag)); if (ntflag) { fprintf(ttyout, "Ntrans: (in) %s (out) %s\n", ntin, ntout); } else { fputs("Ntrans: off.\n", ttyout); } if (mapflag) { fprintf(ttyout, "Nmap: (in) %s (out) %s\n", mapin, mapout); } else { fputs("Nmap: off.\n", ttyout); } fprintf(ttyout, "Hash mark printing: %s; Mark count: %d; Progress bar: %s.\n", onoff(hash), mark, onoff(progress)); fprintf(ttyout, "Use of PORT/LPRT cmds: %s.\n", onoff(sendport)); fprintf(ttyout, "Use of EPSV/EPRT cmds for IPv4: %s%s.\n", onoff(epsv4), epsv4bad ? " (disabled for this connection)" : ""); #ifndef SMALL fprintf(ttyout, "Command line editing: %s.\n", onoff(editing)); #endif /* !SMALL */ if (macnum > 0) { fputs("Macros:\n", ttyout); for (i=0; i 3) { fprintf(ttyout, "usage: %s [ on | off | gateserver [ port ] ]\n", argv[0]); code = -1; return; } else if (argc < 2) { gatemode = !gatemode; } else { if (argc == 2 && strcasecmp(argv[1], "on") == 0) gatemode = 1; else if (argc == 2 && strcasecmp(argv[1], "off") == 0) gatemode = 0; else { if (argc == 3) { gateport = strdup(argv[2]); if (gateport == NULL) err(1, NULL); } strlcpy(gsbuf, argv[1], sizeof(gsbuf)); gateserver = gsbuf; gatemode = 1; } } if (gatemode && (gateserver == NULL || *gateserver == '\0')) { fprintf(ttyout, "Disabling gate-ftp mode - no gate-ftp server defined.\n"); gatemode = 0; } else { fprintf(ttyout, "Gate ftp: %s, server %s, port %s.\n", onoff(gatemode), *gateserver ? gateserver : "(none)", gateport); } code = gatemode; } /* * Toggle metacharacter interpretation on local file names. */ /*ARGSUSED*/ void setglob(int argc, char *argv[]) { code = togglevar(argc, argv, &doglob, "Globbing"); } /* * Toggle preserving modification times on retrieved files. */ /*ARGSUSED*/ void setpreserve(int argc, char *argv[]) { code = togglevar(argc, argv, &preserve, "Preserve modification times"); } /* * Set debugging mode on/off and/or set level of debugging. */ /*ARGSUSED*/ void setdebug(int argc, char *argv[]) { if (argc > 2) { fprintf(ttyout, "usage: %s [ on | off | debuglevel ]\n", argv[0]); code = -1; return; } else if (argc == 2) { if (strcasecmp(argv[1], "on") == 0) debug = 1; else if (strcasecmp(argv[1], "off") == 0) debug = 0; else { const char *errstr; int val; val = strtonum(argv[1], 0, INT_MAX, &errstr); if (errstr) { fprintf(ttyout, "debugging value is %s: %s\n", errstr, argv[1]); code = -1; return; } debug = val; } } else debug = !debug; if (debug) options |= SO_DEBUG; else options &= ~SO_DEBUG; fprintf(ttyout, "Debugging %s (debug=%d).\n", onoff(debug), debug); code = debug > 0; } /* * Set current working directory on remote machine. */ void cd(int argc, char *argv[]) { int r; if ((argc < 2 && !another(&argc, &argv, "remote-directory")) || argc > 2) { fprintf(ttyout, "usage: %s remote-directory\n", argv[0]); code = -1; return; } r = command("CWD %s", argv[1]); if (r == ERROR && code == 500) { if (verbose) fputs("CWD command not recognized, trying XCWD.\n", ttyout); r = command("XCWD %s", argv[1]); } if (r == ERROR && code == 550) { dirchange = 0; return; } if (r == COMPLETE) dirchange = 1; } /* * Set current working directory on local machine. */ void lcd(int argc, char *argv[]) { char buf[MAXPATHLEN]; char *oldargv1; if (argc < 2) argc++, argv[1] = home; if (argc != 2) { fprintf(ttyout, "usage: %s local-directory\n", argv[0]); code = -1; return; } oldargv1 = argv[1]; if (!globulize(&argv[1])) { code = -1; return; } if (chdir(argv[1]) < 0) { warn("local: %s", argv[1]); code = -1; } else { if (getcwd(buf, sizeof(buf)) != NULL) fprintf(ttyout, "Local directory now %s\n", buf); else warn("getcwd: %s", argv[1]); code = 0; } if (oldargv1 != argv[1]) /* free up after globulize() */ free(argv[1]); } /* * Delete a single file. */ void deletecmd(int argc, char *argv[]) { if ((argc < 2 && !another(&argc, &argv, "remote-file")) || argc > 2) { fprintf(ttyout, "usage: %s remote-file\n", argv[0]); code = -1; return; } (void)command("DELE %s", argv[1]); } /* * Delete multiple files. */ void mdelete(int argc, char *argv[]) { sig_t oldintr; int ointer; char *cp; if (argc < 2 && !another(&argc, &argv, "remote-files")) { fprintf(ttyout, "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)) != 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. */ void renamefile(int argc, char *argv[]) { if (argc < 2 && !another(&argc, &argv, "from-name")) goto usage; if ((argc < 3 && !another(&argc, &argv, "to-name")) || argc > 3) { usage: fprintf(ttyout, "usage: %s from-name to-name\n", argv[0]); code = -1; return; } if (command("RNFR %s", argv[1]) == CONTINUE) (void)command("RNTO %s", argv[2]); } /* * Get a directory listing of remote files. */ void ls(int argc, char *argv[]) { const char *cmd; char *oldargv2, *globargv2; if (argc < 2) argc++, argv[1] = NULL; if (argc < 3) argc++, argv[2] = "-"; if (argc > 3) { fprintf(ttyout, "usage: %s remote-directory local-file\n", argv[0]); code = -1; return; } cmd = strcmp(argv[0], "nlist") == 0 ? "NLST" : "LIST"; oldargv2 = argv[2]; if (strcmp(argv[2], "-") && !globulize(&argv[2])) { code = -1; return; } globargv2 = argv[2]; if (strcmp(argv[2], "-") && *argv[2] != '|' && (!globulize(&argv[2]) || !confirm("output to local-file:", argv[2]))) { code = -1; goto freels; } recvrequest(cmd, argv[2], argv[1], "w", 0, 0); /* flush results in case commands are coming from a pipe */ fflush(ttyout); freels: if (argv[2] != globargv2) /* free up after globulize() */ free(argv[2]); if (globargv2 != oldargv2) free(globargv2); } /* * Get a directory listing of multiple remote files. */ void mls(int argc, char *argv[]) { sig_t oldintr; int ointer, i; char lmode[1], *dest, *odest; if (argc < 2 && !another(&argc, &argv, "remote-files")) goto usage; if (argc < 3 && !another(&argc, &argv, "local-file")) { usage: fprintf(ttyout, "usage: %s remote-files local-file\n", argv[0]); code = -1; return; } odest = dest = argv[argc - 1]; argv[argc - 1] = NULL; if (strcmp(dest, "-") && *dest != '|') if (!globulize(&dest) || !confirm("output to local-file:", dest)) { code = -1; return; } mname = argv[0]; mflag = 1; oldintr = signal(SIGINT, mabort); (void)setjmp(jabort); for (i = 1; mflag && i < argc-1; ++i) { *lmode = (i == 1) ? 'w' : 'a'; recvrequest("LIST", dest, argv[i], lmode, 0, 0); if (!mflag && fromatty) { ointer = interactive; interactive = 1; if (confirm("Continue with", argv[0])) { mflag ++; } interactive = ointer; } } (void)signal(SIGINT, oldintr); mflag = 0; if (dest != odest) /* free up after globulize() */ free(dest); } /* * Do a shell escape */ /*ARGSUSED*/ void shell(int argc, char *argv[]) { pid_t pid; sig_t old1, old2; char shellnam[MAXPATHLEN], *shellp, *namep; int 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); shellp = getenv("SHELL"); if (shellp == NULL || *shellp == '\0') shellp = _PATH_BSHELL; namep = strrchr(shellp, '/'); if (namep == NULL) namep = shellp; shellnam[0] = '-'; (void)strlcpy(shellnam + 1, ++namep, sizeof(shellnam) - 1); if (strcmp(namep, "sh") != 0) shellnam[0] = '+'; if (debug) { fputs(shellp, ttyout); fputc('\n', ttyout); (void)fflush(ttyout); } if (argc > 1) { execl(shellp, shellnam, "-c", altarg, (char *)0); } else { execl(shellp, shellnam, (char *)0); } warn("%s", shellp); code = -1; exit(1); } if (pid > 0) while (wait(&wait_status) != pid) ; (void)signal(SIGINT, old1); (void)signal(SIGQUIT, old2); if (pid == -1) { warn("Try again later"); code = -1; } else { code = 0; } } /* * Send new user information (re-login) */ void user(int argc, char *argv[]) { char acctname[80]; int n, aflag = 0; if (argc < 2) (void)another(&argc, &argv, "username"); if (argc < 2 || argc > 4) { fprintf(ttyout, "usage: %s username [password] [account]\n", argv[0]); code = -1; return; } n = command("USER %s", argv[1]); if (n == CONTINUE) { if (argc < 3 ) argv[2] = getpass("Password:"), argc++; n = command("PASS %s", argv[2]); } if (n == CONTINUE) { if (argc < 4) { (void)fputs("Account: ", ttyout); (void)fflush(ttyout); if (fgets(acctname, sizeof(acctname), stdin) == NULL) goto fail; acctname[strcspn(acctname, "\n")] = '\0'; argv[3] = acctname; argc++; } n = command("ACCT %s", argv[3]); aflag++; } if (n != COMPLETE) { fail: fputs("Login failed.\n", ttyout); return; } if (!aflag && argc == 4) { (void)command("ACCT %s", argv[3]); } connected = -1; } /* * Print working directory on remote machine. */ /*ARGSUSED*/ void pwd(int argc, char *argv[]) { int oldverbose = verbose; /* * If we aren't verbose, this doesn't do anything! */ verbose = 1; if (command("PWD") == ERROR && code == 500) { fputs("PWD command not recognized, trying XPWD.\n", ttyout); (void)command("XPWD"); } verbose = oldverbose; } /* * Print working directory on local machine. */ /* ARGSUSED */ void lpwd(int argc, char *argv[]) { char buf[MAXPATHLEN]; if (getcwd(buf, sizeof(buf)) != NULL) fprintf(ttyout, "Local directory %s\n", buf); else warn("getcwd"); code = 0; } /* * Make a directory. */ void makedir(int argc, char *argv[]) { if ((argc < 2 && !another(&argc, &argv, "directory-name")) || argc > 2) { fprintf(ttyout, "usage: %s directory-name\n", argv[0]); code = -1; return; } if (command("MKD %s", argv[1]) == ERROR && code == 500) { if (verbose) fputs("MKD command not recognized, trying XMKD.\n", ttyout); (void)command("XMKD %s", argv[1]); } } /* * Remove a directory. */ void removedir(int argc, char *argv[]) { if ((argc < 2 && !another(&argc, &argv, "directory-name")) || argc > 2) { fprintf(ttyout, "usage: %s directory-name\n", argv[0]); code = -1; return; } if (command("RMD %s", argv[1]) == ERROR && code == 500) { if (verbose) fputs("RMD command not recognized, trying XRMD.\n", ttyout); (void)command("XRMD %s", argv[1]); } } /* * Send a line, verbatim, to the remote machine. */ void quote(int argc, char *argv[]) { if (argc < 2 && !another(&argc, &argv, "command line to send")) { fprintf(ttyout, "usage: %s line-to-send\n", argv[0]); code = -1; return; } quote1("", argc, argv); } /* * Send a SITE command to the remote machine. The line * is sent verbatim to the remote machine, except that the * word "SITE" is added at the front. */ void site(int argc, char *argv[]) { if (argc < 2 && !another(&argc, &argv, "arguments to SITE command")) { fprintf(ttyout, "usage: %s line-to-send\n", argv[0]); code = -1; return; } quote1("SITE", argc, argv); } /* * Turn argv[1..argc) into a space-separated string, then prepend initial text. * Send the result as a one-line command and get response. */ void quote1(const char *initial, int argc, char *argv[]) { int i, len; char buf[BUFSIZ]; /* must be >= sizeof(line) */ (void)strlcpy(buf, initial, sizeof(buf)); if (argc > 1) { for (i = 1, len = strlen(buf); i < argc && len < sizeof(buf)-1; i++) { /* Space for next arg */ if (len > 1) buf[len++] = ' '; /* Sanity check */ if (len >= sizeof(buf) - 1) break; /* Copy next argument, NUL terminate always */ strlcpy(&buf[len], argv[i], sizeof(buf) - len); /* Update string length */ len = strlen(buf); } } /* Make double (triple?) sure the sucker is NUL terminated */ buf[sizeof(buf) - 1] = '\0'; if (command("%s", buf) == PRELIM) { while (getreply(0) == PRELIM) continue; } } void do_chmod(int argc, char *argv[]) { if (argc < 2 && !another(&argc, &argv, "mode")) goto usage; if ((argc < 3 && !another(&argc, &argv, "file-name")) || argc > 3) { usage: fprintf(ttyout, "usage: %s mode file-name\n", argv[0]); code = -1; return; } (void)command("SITE CHMOD %s %s", argv[1], argv[2]); } void do_umask(int argc, char *argv[]) { int oldverbose = verbose; verbose = 1; (void)command(argc == 1 ? "SITE UMASK" : "SITE UMASK %s", argv[1]); verbose = oldverbose; } void idle(int argc, char *argv[]) { int oldverbose = verbose; verbose = 1; (void)command(argc == 1 ? "SITE IDLE" : "SITE IDLE %s", argv[1]); verbose = oldverbose; } /* * Ask the other side for help. */ void rmthelp(int argc, char *argv[]) { int oldverbose = verbose; verbose = 1; (void)command(argc == 1 ? "HELP" : "HELP %s", argv[1]); verbose = oldverbose; } /* * Terminate session and exit. */ /*ARGSUSED*/ void quit(int argc, char *argv[]) { if (connected) disconnect(0, 0); pswitch(1); if (connected) { disconnect(0, 0); } exit(0); } /* * Terminate session, but don't exit. */ /* ARGSUSED */ void disconnect(int argc, char *argv[]) { if (!connected) return; (void)command("QUIT"); if (cout) { (void)fclose(cout); } cout = NULL; connected = 0; data = -1; if (!proxy) { macnum = 0; } } void account(int argc, char *argv[]) { char *ap; if (argc > 2) { fprintf(ttyout, "usage: %s [password]\n", argv[0]); code = -1; return; } else if (argc == 2) ap = argv[1]; else ap = getpass("Account:"); (void)command("ACCT %s", ap); } jmp_buf abortprox; /* ARGSUSED */ void proxabort(int signo) { alarmtimer(0); if (!proxy) { pswitch(1); } if (connected) { proxflag = 1; } else { proxflag = 0; } pswitch(0); longjmp(abortprox, 1); } void doproxy(int argc, char *argv[]) { struct cmd *c; int cmdpos; sig_t oldintr; if (argc < 2 && !another(&argc, &argv, "command")) { fprintf(ttyout, "usage: %s command\n", argv[0]); code = -1; return; } c = getcmd(argv[1]); if (c == (struct cmd *) -1) { fputs("?Ambiguous command.\n", ttyout); (void)fflush(ttyout); code = -1; return; } if (c == 0) { fputs("?Invalid command.\n", ttyout); (void)fflush(ttyout); code = -1; return; } if (!c->c_proxy) { fputs("?Invalid proxy command.\n", ttyout); (void)fflush(ttyout); code = -1; return; } if (setjmp(abortprox)) { code = -1; return; } oldintr = signal(SIGINT, proxabort); pswitch(1); if (c->c_conn && !connected) { fputs("Not connected.\n", ttyout); (void)fflush(ttyout); pswitch(0); (void)signal(SIGINT, oldintr); code = -1; return; } cmdpos = strcspn(line, " \t"); if (cmdpos > 0) /* remove leading "proxy " from input buffer */ memmove(line, line + cmdpos + 1, strlen(line) - cmdpos + 1); (*c->c_handler)(argc-1, argv+1); if (connected) { proxflag = 1; } else { proxflag = 0; } pswitch(0); (void)signal(SIGINT, oldintr); } void setcase(int argc, char *argv[]) { code = togglevar(argc, argv, &mcase, "Case mapping"); } void setcr(int argc, char *argv[]) { code = togglevar(argc, argv, &crflag, "Carriage Return stripping"); } void setntrans(int argc, char *argv[]) { if (argc == 1) { ntflag = 0; fputs("Ntrans off.\n", ttyout); code = ntflag; return; } ntflag++; code = ntflag; (void)strlcpy(ntin, argv[1], sizeof(ntin)); if (argc == 2) { ntout[0] = '\0'; return; } (void)strlcpy(ntout, argv[2], sizeof(ntout)); } char * dotrans(char *name) { static char new[MAXPATHLEN]; char *cp1, *cp2 = new; int i, ostop, found; for (ostop = 0; *(ntout + ostop) && ostop < 16; ostop++) continue; 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); } void setnmap(int argc, char *argv[]) { char *cp; if (argc == 1) { mapflag = 0; fputs("Nmap off.\n", ttyout); code = mapflag; return; } if ((argc < 3 && !another(&argc, &argv, "mapout")) || argc > 3) { fprintf(ttyout, "usage: %s [mapin mapout]\n", argv[0]); code = -1; return; } mapflag = 1; code = 1; cp = strchr(altarg, ' '); if (proxy) { while(*++cp == ' ') continue; altarg = cp; cp = strchr(altarg, ' '); } *cp = '\0'; (void)strncpy(mapin, altarg, MAXPATHLEN - 1); while (*++cp == ' ') continue; (void)strncpy(mapout, cp, MAXPATHLEN - 1); } char * domap(char *name) { static char new[MAXPATHLEN]; char *cp1 = name, *cp2 = mapin; char *tp[9], *te[9]; int i, toks[9], toknum = 0, 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; } /* FALLTHROUGH */ default: if (*cp2 != *cp1) { match = 0; } break; } if (match && *cp1) { cp1++; } if (match && *cp2) { cp2++; } } if (!match && *cp1) /* last token mismatch */ { toks[toknum] = 0; } 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) { fputs( "nmap: unbalanced brackets.\n", ttyout); return (name); } match = 1; cp2--; } if (match) { while (*++cp2 && *cp2 != ']') { if (*cp2 == '\\' && *(cp2 + 1)) { cp2++; } } if (!*cp2) { fputs( "nmap: unbalanced brackets.\n", ttyout); 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; } /* FALLTHROUGH */ default: *cp1++ = *cp2; break; } cp2++; } *cp1 = '\0'; if (!*new) { return (name); } return (new); } void setpassive(int argc, char *argv[]) { code = togglevar(argc, argv, &passivemode, verbose ? "Passive mode" : NULL); } void setsunique(int argc, char *argv[]) { code = togglevar(argc, argv, &sunique, "Store unique"); } void setrunique(int argc, char *argv[]) { code = togglevar(argc, argv, &runique, "Receive unique"); } /* change directory to parent directory */ /* ARGSUSED */ void cdup(int argc, char *argv[]) { int r; r = command("CDUP"); if (r == ERROR && code == 500) { if (verbose) fputs("CDUP command not recognized, trying XCUP.\n", ttyout); r = command("XCUP"); } if (r == COMPLETE) dirchange = 1; } /* * Restart transfer at specific point */ void restart(int argc, char *argv[]) { quad_t nrestart_point; char *ep; if (argc != 2) fputs("restart: offset not specified.\n", ttyout); else { nrestart_point = strtoq(argv[1], &ep, 10); if (nrestart_point == QUAD_MAX || *ep != '\0') fputs("restart: invalid offset.\n", ttyout); else { fprintf(ttyout, "Restarting at %lld. Execute get, put " "or append to initiate transfer\n", (long long)nrestart_point); restart_point = nrestart_point; } } } /* * Show remote system type */ /* ARGSUSED */ void syst(int argc, char *argv[]) { (void)command("SYST"); } void macdef(int argc, char *argv[]) { char *tmp; int c; if (macnum == 16) { fputs("Limit of 16 macros have already been defined.\n", ttyout); code = -1; return; } if ((argc < 2 && !another(&argc, &argv, "macro name")) || argc > 2) { fprintf(ttyout, "usage: %s macro_name\n", argv[0]); code = -1; return; } if (interactive) fputs( "Enter macro line by line, terminating it with a null line.\n", ttyout); (void)strlcpy(macros[macnum].mac_name, argv[1], sizeof(macros[macnum].mac_name)); 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) { fputs("macdef: end of file encountered.\n", ttyout); 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) /* LOOP */; if (c == EOF || getchar() == '\n') { fputs("Macro not defined - 4K buffer exceeded.\n", ttyout); code = -1; return; } } } /* * Get size of file on remote machine */ void sizecmd(int argc, char *argv[]) { off_t size; if ((argc < 2 && !another(&argc, &argv, "filename")) || argc > 2) { fprintf(ttyout, "usage: %s filename\n", argv[0]); code = -1; return; } size = remotesize(argv[1], 1); if (size != -1) fprintf(ttyout, "%s\t%lld\n", argv[1], (long long)size); code = size; } /* * Get last modification time of file on remote machine */ void modtime(int argc, char *argv[]) { time_t mtime; if ((argc < 2 && !another(&argc, &argv, "filename")) || argc > 2) { fprintf(ttyout, "usage: %s filename\n", argv[0]); code = -1; return; } mtime = remotemodtime(argv[1], 1); if (mtime != -1) fprintf(ttyout, "%s\t%s", argv[1], asctime(localtime(&mtime))); code = mtime; } /* * Show status on remote machine */ void rmtstatus(int argc, char *argv[]) { (void)command(argc > 1 ? "STAT %s" : "STAT" , argv[1]); } /* * Get file if modtime is more recent than current file */ void newer(int argc, char *argv[]) { if (getit(argc, argv, -1, "w")) fprintf(ttyout, "Local file \"%s\" is newer than remote file \"%s\".\n", argv[2], argv[1]); } /* * Display one file through $PAGER (defaults to "more"). */ void page(int argc, char *argv[]) { int orestart_point, ohash, overbose; char *p, *pager, *oldargv1; if ((argc < 2 && !another(&argc, &argv, "filename")) || argc > 2) { fprintf(ttyout, "usage: %s filename\n", argv[0]); code = -1; return; } oldargv1 = argv[1]; if (!globulize(&argv[1])) { code = -1; return; } p = getenv("PAGER"); if (p == NULL || (*p == '\0')) p = PAGER; if (asprintf(&pager, "|%s", p) == -1) errx(1, "Can't allocate memory for $PAGER"); orestart_point = restart_point; ohash = hash; overbose = verbose; restart_point = hash = verbose = 0; recvrequest("RETR", pager, argv[1], "r+w", 1, 0); (void)free(pager); restart_point = orestart_point; hash = ohash; verbose = overbose; if (oldargv1 != argv[1]) /* free up after globulize() */ free(argv[1]); }