/* $NetBSD: cmds.c,v 1.116 2005/06/29 02:31:19 christos Exp $ */ /*- * Copyright (c) 1996-2005 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Luke Mewburn. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, * NASA Ames Research Center. * * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ /* * 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. */ #include #ifndef lint #if 0 static char sccsid[] = "@(#)cmds.c 8.6 (Berkeley) 10/9/94"; #else __RCSID("$NetBSD: cmds.c,v 1.116 2005/06/29 02:31:19 christos Exp $"); #endif #endif /* not lint */ /* * FTP User Program -- Command Routines. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "ftp_var.h" #include "version.h" 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 } }; sigjmp_buf jabort; const char *mname; static int confirm(const char *, const char *); static const char *doprocess(char *, size_t, const char *, int, int, int); static const char *domap(char *, size_t, const char *); static const char *docase(char *, size_t, const char *); static const char *dotrans(char *, size_t, const char *); static int confirm(const char *cmd, const char *file) { const char *errormsg; char line[BUFSIZ]; if (!interactive || confirmrest) return (1); while (1) { fprintf(ttyout, "%s %s [anpqy?]? ", cmd, file); (void)fflush(ttyout); if (getline(stdin, line, sizeof(line), &errormsg) < 0) { mflag = 0; fprintf(ttyout, "%s; %s aborted\n", errormsg, mname); return (0); } switch (tolower((unsigned char)*line)) { case 'a': confirmrest = 1; fprintf(ttyout, "Prompting off for duration of %s.\n", cmd); break; case 'p': interactive = 0; fputs("Interactive mode: off.\n", ttyout); break; case 'q': mflag = 0; fprintf(ttyout, "%s aborted.\n", mname); /* FALLTHROUGH */ case 'n': return (0); case '?': fprintf(ttyout, " confirmation options:\n" "\ta answer `yes' for the duration of %s\n" "\tn answer `no' for this file\n" "\tp turn off `prompt' mode\n" "\tq stop the current %s\n" "\ty answer `yes' for this file\n" "\t? this help list\n", cmd, cmd); continue; /* back to while(1) */ } return (1); } /* NOTREACHED */ } /* * Set transfer type. */ void settype(int argc, char *argv[]) { struct types *p; int comret; if (argc == 0 || argc > 2) { char *sep; UPRINTF("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. */ /*VARARGS*/ void setbinary(int argc, char *argv[]) { if (argc == 0) { UPRINTF("usage: %s\n", argv[0]); code = -1; return; } stype[1] = "binary"; settype(2, stype); } /* * Set ascii transfer type. */ /*VARARGS*/ void setascii(int argc, char *argv[]) { if (argc == 0) { UPRINTF("usage: %s\n", argv[0]); code = -1; return; } stype[1] = "ascii"; settype(2, stype); } /* * Set tenex transfer type. */ /*VARARGS*/ void settenex(int argc, char *argv[]) { if (argc == 0) { UPRINTF("usage: %s\n", argv[0]); code = -1; return; } stype[1] = "tenex"; settype(2, stype); } /* * Set file transfer mode. */ /*ARGSUSED*/ void setftmode(int argc, char *argv[]) { if (argc != 2) { UPRINTF("usage: %s mode-name\n", argv[0]); code = -1; return; } fprintf(ttyout, "We only support %s mode, sorry.\n", modename); code = -1; } /* * Set file transfer format. */ /*ARGSUSED*/ void setform(int argc, char *argv[]) { if (argc != 2) { UPRINTF("usage: %s format\n", argv[0]); code = -1; return; } fprintf(ttyout, "We only support %s format, sorry.\n", formname); code = -1; } /* * Set file transfer structure. */ /*ARGSUSED*/ void setstruct(int argc, char *argv[]) { if (argc != 2) { UPRINTF("usage: %s struct-mode\n", argv[0]); code = -1; return; } fprintf(ttyout, "We only support %s structure, sorry.\n", structname); code = -1; } /* * Send a single file. */ void put(int argc, char *argv[]) { char buf[MAXPATHLEN]; char *cmd; int loc = 0; char *locfile; const char *remfile; if (argc == 2) { argc++; argv[2] = argv[1]; loc++; } if (argc == 0 || (argc == 1 && !another(&argc, &argv, "local-file"))) goto usage; if ((argc < 3 && !another(&argc, &argv, "remote-file")) || argc > 3) { usage: UPRINTF("usage: %s local-file [remote-file]\n", argv[0]); code = -1; return; } if ((locfile = globulize(argv[1])) == NULL) { code = -1; return; } remfile = argv[2]; if (loc) /* If argv[2] is a copy of the old argv[1], update it */ remfile = locfile; cmd = (argv[0][0] == 'a') ? "APPE" : ((sunique) ? "STOU" : "STOR"); remfile = doprocess(buf, sizeof(buf), remfile, 0, loc && ntflag, loc && mapflag); sendrequest(cmd, locfile, remfile, locfile != argv[1] || remfile != argv[2]); free(locfile); } static const char * doprocess(char *dst, size_t dlen, const char *src, int casef, int transf, int mapf) { if (casef) src = docase(dst, dlen, src); if (transf) src = dotrans(dst, dlen, src); if (mapf) src = domap(dst, dlen, src); return src; } /* * Send multiple files. */ void mput(int argc, char *argv[]) { int i; sigfunc oldintr; int ointer; const char *tp; if (argc == 0 || (argc == 1 && !another(&argc, &argv, "local-files"))) { UPRINTF("usage: %s local-files\n", argv[0]); code = -1; return; } mname = argv[0]; mflag = 1; oldintr = xsignal(SIGINT, mintr); if (sigsetjmp(jabort, 1)) mabort(); if (proxy) { char *cp; while ((cp = remglob(argv, 0, NULL)) != NULL) { if (*cp == '\0' || !connected) { mflag = 0; continue; } if (mflag && confirm(argv[0], cp)) { char buf[MAXPATHLEN]; tp = doprocess(buf, sizeof(buf), cp, mcase, ntflag, mapflag); sendrequest((sunique) ? "STOU" : "STOR", cp, tp, cp != tp || !interactive); if (!mflag && fromatty) { ointer = interactive; interactive = 1; if (confirm("Continue with", "mput")) { mflag++; } interactive = ointer; } } } goto cleanupmput; } for (i = 1; i < argc && connected; i++) { char **cpp; glob_t gl; int flags; if (!doglob) { if (mflag && confirm(argv[0], argv[i])) { char buf[MAXPATHLEN]; tp = doprocess(buf, sizeof(buf), argv[i], 0, ntflag, mapflag); 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_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 && connected; cpp++) { if (mflag && confirm(argv[0], *cpp)) { char buf[MAXPATHLEN]; tp = *cpp; tp = doprocess(buf, sizeof(buf), *cpp, 0, ntflag, mapflag); 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); } cleanupmput: (void)xsignal(SIGINT, oldintr); mflag = 0; } void reget(int argc, char *argv[]) { (void)getit(argc, argv, 1, "r+"); } void get(int argc, char *argv[]) { (void)getit(argc, argv, 0, restart_point ? "r+" : "w" ); } /* * Receive one file. * If restartit is 1, restart the xfer always. * If restartit is -1, restart the xfer only if the remote file is newer. */ int getit(int argc, char *argv[], int restartit, const char *mode) { int loc, rval; char *remfile, *olocfile; const char *locfile; char buf[MAXPATHLEN]; loc = rval = 0; if (argc == 2) { argc++; argv[2] = argv[1]; loc++; } if (argc == 0 || (argc == 1 && !another(&argc, &argv, "remote-file"))) goto usage; if ((argc < 3 && !another(&argc, &argv, "local-file")) || argc > 3) { usage: UPRINTF("usage: %s remote-file [local-file]\n", argv[0]); code = -1; return (0); } remfile = argv[1]; if ((olocfile = globulize(argv[2])) == NULL) { code = -1; return (0); } locfile = doprocess(buf, sizeof(buf), olocfile, loc && mcase, loc && ntflag, loc && mapflag); if (restartit) { struct stat stbuf; int ret; if (! features[FEAT_REST_STREAM]) { fprintf(ttyout, "Restart is not supported by the remote server.\n"); return (0); } ret = stat(locfile, &stbuf); if (restartit == 1) { if (ret < 0) { warn("local: %s", locfile); 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", locfile, remfile, mode, remfile != argv[1] || locfile != argv[2], loc); restart_point = 0; freegetit: (void)free(olocfile); return (rval); } /* ARGSUSED */ void mintr(int signo) { alarmtimer(0); if (fromatty) write(fileno(ttyout), "\n", 1); siglongjmp(jabort, 1); } void mabort(void) { int ointer, oconf; if (mflag && fromatty) { ointer = interactive; oconf = confirmrest; interactive = 1; confirmrest = 0; if (confirm("Continue with", mname)) { interactive = ointer; confirmrest = oconf; return; } interactive = ointer; confirmrest = oconf; } mflag = 0; } /* * Get multiple files. */ void mget(int argc, char *argv[]) { sigfunc oldintr; int ointer; char *cp; const char *tp; int restartit; if (argc == 0 || (argc == 1 && !another(&argc, &argv, "remote-files"))) { UPRINTF("usage: %s remote-files\n", argv[0]); code = -1; return; } mname = argv[0]; mflag = 1; restart_point = 0; restartit = 0; if (strcmp(argv[0], "mreget") == 0) { if (! features[FEAT_REST_STREAM]) { fprintf(ttyout, "Restart is not supported by the remote server.\n"); return; } restartit = 1; } oldintr = xsignal(SIGINT, mintr); if (sigsetjmp(jabort, 1)) mabort(); while ((cp = remglob(argv, proxy, NULL)) != NULL) { char buf[MAXPATHLEN]; if (*cp == '\0' || !connected) { 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)) continue; tp = doprocess(buf, sizeof(buf), cp, mcase, ntflag, mapflag); if (restartit) { struct stat stbuf; if (stat(tp, &stbuf) == 0) restart_point = stbuf.st_size; else warn("stat %s", tp); } recvrequest("RETR", tp, cp, restart_point ? "r+" : "w", tp != cp || !interactive, 1); restart_point = 0; if (!mflag && fromatty) { ointer = interactive; interactive = 1; if (confirm("Continue with", "mget")) mflag++; interactive = ointer; } } (void)xsignal(SIGINT, oldintr); mflag = 0; } /* * Read list of filenames from a local file and get those */ void fget(int argc, char *argv[]) { char *buf, *mode; FILE *fp; if (argc != 2) { UPRINTF("usage: %s localfile\n", argv[0]); code = -1; return; } fp = fopen(argv[1], "r"); if (fp == NULL) { fprintf(ttyout, "Cannot open source file %s\n", argv[1]); code = -1; return; } argv[0] = "get"; mode = restart_point ? "r+" : "w"; for (; (buf = fparseln(fp, NULL, NULL, "\0\0\0", 0)) != NULL; free(buf)) { if (buf[0] == '\0') continue; argv[1] = buf; (void)getit(argc, argv, 0, mode); } fclose(fp); } const char * onoff(int bool) { return (bool ? "on" : "off"); } /* * Show status. */ /*ARGSUSED*/ void status(int argc, char *argv[]) { if (argc == 0) { UPRINTF("usage: %s\n", argv[0]); code = -1; return; } #ifndef NO_STATUS 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; fallback to active mode: %s.\n", onoff(passivemode), onoff(activefallback)); 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, "Get transfer rate throttle: %s; maximum: %d; increment %d.\n", onoff(rate_get), rate_get, rate_get_incr); fprintf(ttyout, "Put transfer rate throttle: %s; maximum: %d; increment %d.\n", onoff(rate_put), rate_put, rate_put_incr); fprintf(ttyout, "Socket buffer sizes: send %d, receive %d.\n", sndbuf_size, rcvbuf_size); fprintf(ttyout, "Use of PORT cmds: %s.\n", onoff(sendport)); fprintf(ttyout, "Use of EPSV/EPRT cmds for IPv4: %s%s.\n", onoff(epsv4), epsv4bad ? " (disabled for this connection)" : ""); fprintf(ttyout, "Command line editing: %s.\n", #ifdef NO_EDITCOMPLETE "support not compiled in" #else /* !def NO_EDITCOMPLETE */ onoff(editing) #endif /* !def NO_EDITCOMPLETE */ ); if (macnum > 0) { int i; fputs("Macros:\n", ttyout); for (i=0; i 3) { UPRINTF( "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 = xstrdup(argv[2]); (void)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. */ /*VARARGS*/ void setglob(int argc, char *argv[]) { code = togglevar(argc, argv, &doglob, "Globbing"); } /* * Toggle preserving modification times on retrieved files. */ /*VARARGS*/ 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. */ /*VARARGS*/ void setdebug(int argc, char *argv[]) { if (argc == 0 || argc > 2) { UPRINTF("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 { int val; val = strsuftoi(argv[1]); if (val < 0) { fprintf(ttyout, "%s: bad debugging value.\n", 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 == 0 || argc > 2 || (argc == 1 && !another(&argc, &argv, "remote-directory"))) { UPRINTF("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 == COMPLETE) { dirchange = 1; updateremotecwd(); } } /* * Set current working directory on local machine. */ void lcd(int argc, char *argv[]) { char *locdir; code = -1; if (argc == 1) { argc++; argv[1] = localhome; } if (argc != 2) { UPRINTF("usage: %s [local-directory]\n", argv[0]); return; } if ((locdir = globulize(argv[1])) == NULL) return; if (chdir(locdir) == -1) warn("lcd %s", locdir); else { updatelocalcwd(); if (localcwd[0]) { fprintf(ttyout, "Local directory now: %s\n", localcwd); code = 0; } else { fprintf(ttyout, "Unable to determine local directory\n"); } } (void)free(locdir); } /* * Delete a single file. */ void delete(int argc, char *argv[]) { if (argc == 0 || argc > 2 || (argc == 1 && !another(&argc, &argv, "remote-file"))) { UPRINTF("usage: %s remote-file\n", argv[0]); code = -1; return; } if (command("DELE %s", argv[1]) == COMPLETE) dirchange = 1; } /* * Delete multiple files. */ void mdelete(int argc, char *argv[]) { sigfunc oldintr; int ointer; char *cp; if (argc == 0 || (argc == 1 && !another(&argc, &argv, "remote-files"))) { UPRINTF("usage: %s [remote-files]\n", argv[0]); code = -1; return; } mname = argv[0]; mflag = 1; oldintr = xsignal(SIGINT, mintr); if (sigsetjmp(jabort, 1)) mabort(); while ((cp = remglob(argv, 0, NULL)) != NULL) { if (*cp == '\0') { mflag = 0; continue; } if (mflag && confirm(argv[0], cp)) { if (command("DELE %s", cp) == COMPLETE) dirchange = 1; if (!mflag && fromatty) { ointer = interactive; interactive = 1; if (confirm("Continue with", "mdelete")) { mflag++; } interactive = ointer; } } } (void)xsignal(SIGINT, oldintr); mflag = 0; } /* * Rename a remote file. */ void renamefile(int argc, char *argv[]) { if (argc == 0 || (argc == 1 && !another(&argc, &argv, "from-name"))) goto usage; if ((argc < 3 && !another(&argc, &argv, "to-name")) || argc > 3) { usage: UPRINTF("usage: %s from-name to-name\n", argv[0]); code = -1; return; } if (command("RNFR %s", argv[1]) == CONTINUE && command("RNTO %s", argv[2]) == COMPLETE) dirchange = 1; } /* * Get a directory listing of remote files. * Supports being invoked as: * cmd runs * --- ---- * dir, ls LIST * mlsd MLSD * nlist NLST * pdir, pls LIST |$PAGER * mmlsd MLSD |$PAGER */ void ls(int argc, char *argv[]) { const char *cmd; char *remdir, *locfile; int freelocfile, pagecmd, mlsdcmd; remdir = NULL; locfile = "-"; freelocfile = pagecmd = mlsdcmd = 0; /* * the only commands that start with `p' are * the `pager' versions. */ if (argv[0][0] == 'p') pagecmd = 1; if (strcmp(argv[0] + pagecmd , "mlsd") == 0) { if (! features[FEAT_MLST]) { fprintf(ttyout, "MLSD is not supported by the remote server.\n"); return; } mlsdcmd = 1; } if (argc == 0) goto usage; if (mlsdcmd) cmd = "MLSD"; else if (strcmp(argv[0] + pagecmd, "nlist") == 0) cmd = "NLST"; else cmd = "LIST"; if (argc > 1) remdir = argv[1]; if (argc > 2) locfile = argv[2]; if (argc > 3 || ((pagecmd | mlsdcmd) && argc > 2)) { usage: if (pagecmd || mlsdcmd) UPRINTF("usage: %s [remote-path]\n", argv[0]); else UPRINTF("usage: %s [remote-path [local-file]]\n", argv[0]); code = -1; goto freels; } if (pagecmd) { char *p; size_t len; p = getoptionvalue("pager"); if (EMPTYSTRING(p)) p = DEFAULTPAGER; len = strlen(p) + 2; locfile = xmalloc(len); locfile[0] = '|'; (void)strlcpy(locfile + 1, p, len - 1); freelocfile = 1; } else if ((strcmp(locfile, "-") != 0) && *locfile != '|') { mname = argv[0]; if ((locfile = globulize(locfile)) == NULL || !confirm("output to local-file:", locfile)) { code = -1; goto freels; } freelocfile = 1; } recvrequest(cmd, locfile, remdir, "w", 0, 0); freels: if (freelocfile && locfile) (void)free(locfile); } /* * Get a directory listing of multiple remote files. */ void mls(int argc, char *argv[]) { sigfunc oldintr; int ointer, i; int dolist; char *mode, *dest, *odest; if (argc == 0) goto usage; if (argc < 2 && !another(&argc, &argv, "remote-files")) goto usage; if (argc < 3 && !another(&argc, &argv, "local-file")) { usage: UPRINTF("usage: %s remote-files local-file\n", argv[0]); code = -1; return; } odest = dest = argv[argc - 1]; argv[argc - 1] = NULL; mname = argv[0]; if (strcmp(dest, "-") && *dest != '|') if (((dest = globulize(dest)) == NULL) || !confirm("output to local-file:", dest)) { code = -1; return; } dolist = strcmp(argv[0], "mls"); mflag = 1; oldintr = xsignal(SIGINT, mintr); if (sigsetjmp(jabort, 1)) mabort(); for (i = 1; mflag && i < argc-1 && connected; i++) { mode = (i == 1) ? "w" : "a"; recvrequest(dolist ? "LIST" : "NLST", dest, argv[i], mode, 0, 0); if (!mflag && fromatty) { ointer = interactive; interactive = 1; if (confirm("Continue with", argv[0])) { mflag++; } interactive = ointer; } } (void)xsignal(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; sigfunc oldintr; char shellnam[MAXPATHLEN], *shell, *namep; int wait_status; if (argc == 0) { UPRINTF("usage: %s [command [args]]\n", argv[0]); code = -1; return; } oldintr = xsignal(SIGINT, SIG_IGN); if ((pid = fork()) == 0) { for (pid = 3; pid < 20; pid++) (void)close(pid); (void)xsignal(SIGINT, SIG_DFL); shell = getenv("SHELL"); if (shell == NULL) shell = _PATH_BSHELL; namep = strrchr(shell, '/'); if (namep == NULL) namep = shell; else namep++; (void)strlcpy(shellnam, namep, sizeof(shellnam)); if (debug) { fputs(shell, ttyout); putc('\n', ttyout); } if (argc > 1) { execl(shell, shellnam, "-c", altarg, (char *)0); } else { execl(shell, shellnam, (char *)0); } warn("%s", shell); code = -1; exit(1); } if (pid > 0) while (wait(&wait_status) != pid) ; (void)xsignal(SIGINT, oldintr); 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 *password; int n, aflag = 0; if (argc == 0) goto usage; if (argc < 2) (void)another(&argc, &argv, "username"); if (argc < 2 || argc > 4) { usage: UPRINTF("usage: %s username [password [account]]\n", argv[0]); code = -1; return; } n = command("USER %s", argv[1]); if (n == CONTINUE) { if (argc < 3) { password = getpass("Password: "); } else { password = argv[2]; } n = command("PASS %s", password); memset(password, 0, strlen(password)); } if (n == CONTINUE) { aflag++; if (argc < 4) { password = getpass("Account: "); } else { password = argv[3]; } n = command("ACCT %s", password); memset(password, 0, strlen(password)); } if (n != COMPLETE) { fputs("Login failed.\n", ttyout); return; } if (!aflag && argc == 4) { password = argv[3]; (void)command("ACCT %s", password); memset(password, 0, strlen(password)); } connected = -1; getremoteinfo(); } /* * Print working directory on remote machine. */ /*VARARGS*/ void pwd(int argc, char *argv[]) { code = -1; if (argc != 1) { UPRINTF("usage: %s\n", argv[0]); return; } if (! remotecwd[0]) updateremotecwd(); if (! remotecwd[0]) fprintf(ttyout, "Unable to determine remote directory\n"); else { fprintf(ttyout, "Remote directory: %s\n", remotecwd); code = 0; } } /* * Print working directory on local machine. */ void lpwd(int argc, char *argv[]) { code = -1; if (argc != 1) { UPRINTF("usage: %s\n", argv[0]); return; } if (! localcwd[0]) updatelocalcwd(); if (! localcwd[0]) fprintf(ttyout, "Unable to determine local directory\n"); else { fprintf(ttyout, "Local directory: %s\n", localcwd); code = 0; } } /* * Make a directory. */ void makedir(int argc, char *argv[]) { int r; if (argc == 0 || argc > 2 || (argc == 1 && !another(&argc, &argv, "directory-name"))) { UPRINTF("usage: %s directory-name\n", argv[0]); code = -1; return; } r = command("MKD %s", argv[1]); if (r == ERROR && code == 500) { if (verbose) fputs("MKD command not recognized, trying XMKD.\n", ttyout); r = command("XMKD %s", argv[1]); } if (r == COMPLETE) dirchange = 1; } /* * Remove a directory. */ void removedir(int argc, char *argv[]) { int r; if (argc == 0 || argc > 2 || (argc == 1 && !another(&argc, &argv, "directory-name"))) { UPRINTF("usage: %s directory-name\n", argv[0]); code = -1; return; } r = command("RMD %s", argv[1]); if (r == ERROR && code == 500) { if (verbose) fputs("RMD command not recognized, trying XRMD.\n", ttyout); r = command("XRMD %s", argv[1]); } if (r == COMPLETE) dirchange = 1; } /* * Send a line, verbatim, to the remote machine. */ void quote(int argc, char *argv[]) { if (argc == 0 || (argc == 1 && !another(&argc, &argv, "command line to send"))) { UPRINTF("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 == 0 || (argc == 1 && !another(&argc, &argv, "arguments to SITE command"))){ UPRINTF("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; char buf[BUFSIZ]; /* must be >= sizeof(line) */ (void)strlcpy(buf, initial, sizeof(buf)); for (i = 1; i < argc; i++) { (void)strlcat(buf, argv[i], sizeof(buf)); if (i < (argc - 1)) (void)strlcat(buf, " ", sizeof(buf)); } if (command("%s", buf) == PRELIM) { while (getreply(0) == PRELIM) continue; } dirchange = 1; } void do_chmod(int argc, char *argv[]) { if (argc == 0 || (argc == 1 && !another(&argc, &argv, "mode"))) goto usage; if ((argc < 3 && !another(&argc, &argv, "remote-file")) || argc > 3) { usage: UPRINTF("usage: %s mode remote-file\n", argv[0]); code = -1; return; } (void)command("SITE CHMOD %s %s", argv[1], argv[2]); } #define COMMAND_1ARG(argc, argv, cmd) \ if (argc == 1) \ command(cmd); \ else \ command(cmd " %s", argv[1]) void do_umask(int argc, char *argv[]) { int oldverbose = verbose; if (argc == 0) { UPRINTF("usage: %s [umask]\n", argv[0]); code = -1; return; } verbose = 1; COMMAND_1ARG(argc, argv, "SITE UMASK"); verbose = oldverbose; } void idlecmd(int argc, char *argv[]) { int oldverbose = verbose; if (argc < 1 || argc > 2) { UPRINTF("usage: %s [seconds]\n", argv[0]); code = -1; return; } verbose = 1; COMMAND_1ARG(argc, argv, "SITE IDLE"); verbose = oldverbose; } /* * Ask the other side for help. */ void rmthelp(int argc, char *argv[]) { int oldverbose = verbose; if (argc == 0) { UPRINTF("usage: %s\n", argv[0]); code = -1; return; } verbose = 1; COMMAND_1ARG(argc, argv, "HELP"); verbose = oldverbose; } /* * Terminate session and exit. * May be called with 0, NULL. */ /*VARARGS*/ void quit(int argc, char *argv[]) { /* this may be called with argc == 0, argv == NULL */ if (argc == 0 && argv != NULL) { UPRINTF("usage: %s\n", argv[0]); code = -1; return; } if (connected) disconnect(0, NULL); pswitch(1); if (connected) disconnect(0, NULL); exit(0); } /* * Terminate session, but don't exit. * May be called with 0, NULL. */ void disconnect(int argc, char *argv[]) { /* this may be called with argc == 0, argv == NULL */ if (argc == 0 && argv != NULL) { UPRINTF("usage: %s\n", argv[0]); code = -1; return; } if (!connected) return; (void)command("QUIT"); cleanuppeer(); } void account(int argc, char *argv[]) { char *ap; if (argc == 0 || argc > 2) { UPRINTF("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); } sigjmp_buf abortprox; void proxabort(int notused) { sigint_raised = 1; alarmtimer(0); if (!proxy) { pswitch(1); } if (connected) { proxflag = 1; } else { proxflag = 0; } pswitch(0); siglongjmp(abortprox, 1); } void doproxy(int argc, char *argv[]) { struct cmd *c; int cmdpos; sigfunc oldintr; if (argc == 0 || (argc == 1 && !another(&argc, &argv, "command"))) { UPRINTF("usage: %s command\n", argv[0]); code = -1; return; } c = getcmd(argv[1]); if (c == (struct cmd *) -1) { fputs("?Ambiguous command.\n", ttyout); code = -1; return; } if (c == 0) { fputs("?Invalid command.\n", ttyout); code = -1; return; } if (!c->c_proxy) { fputs("?Invalid proxy command.\n", ttyout); code = -1; return; } if (sigsetjmp(abortprox, 1)) { code = -1; return; } oldintr = xsignal(SIGINT, proxabort); pswitch(1); if (c->c_conn && !connected) { fputs("Not connected.\n", ttyout); pswitch(0); (void)xsignal(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); argv[1] = c->c_name; (*c->c_handler)(argc-1, argv+1); if (connected) { proxflag = 1; } else { proxflag = 0; } pswitch(0); (void)xsignal(SIGINT, oldintr); } void setcase(int argc, char *argv[]) { code = togglevar(argc, argv, &mcase, "Case mapping"); } /* * convert the given name to lower case if it's all upper case, into * a static buffer which is returned to the caller */ static const char * docase(char *dst, size_t dlen, const char *src) { size_t i; int dochange = 1; for (i = 0; src[i] != '\0' && i < dlen - 1; i++) { dst[i] = src[i]; if (islower((unsigned char)dst[i])) dochange = 0; } dst[i] = '\0'; if (dochange) { for (i = 0; dst[i] != '\0'; i++) if (isupper((unsigned char)dst[i])) dst[i] = tolower((unsigned char)dst[i]); } return dst; } void setcr(int argc, char *argv[]) { code = togglevar(argc, argv, &crflag, "Carriage Return stripping"); } void setntrans(int argc, char *argv[]) { if (argc == 0 || argc > 3) { UPRINTF("usage: %s [inchars [outchars]]\n", argv[0]); code = -1; return; } 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)); } static const char * dotrans(char *dst, size_t dlen, const char *src) { const char *cp1; char *cp2 = dst; size_t i, ostop; for (ostop = 0; *(ntout + ostop) && ostop < 16; ostop++) continue; for (cp1 = src; *cp1; cp1++) { int found = 0; for (i = 0; *(ntin + i) && i < 16; i++) { if (*cp1 == *(ntin + i)) { found++; if (i < ostop) { *cp2++ = *(ntout + i); if (cp2 - dst >= dlen - 1) goto out; } break; } } if (!found) { *cp2++ = *cp1; } } out: *cp2 = '\0'; return dst; } void setnmap(int argc, char *argv[]) { char *cp; if (argc == 1) { mapflag = 0; fputs("Nmap off.\n", ttyout); code = mapflag; return; } if (argc == 0 || (argc < 3 && !another(&argc, &argv, "mapout")) || argc > 3) { UPRINTF("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)strlcpy(mapin, altarg, MAXPATHLEN); while (*++cp == ' ') continue; (void)strlcpy(mapout, cp, MAXPATHLEN); } static const char * domap(char *dst, size_t dlen, const char *src) { const char *cp1 = src; char *cp2 = mapin; const 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; } cp2 = dst; *cp2 = '\0'; cp1 = mapout; while (*cp1) { match = 0; switch (*cp1) { case '\\': if (*(cp1 + 1)) { *cp2++ = *++cp1; } break; case '[': LOOP: if (*++cp1 == '$' && isdigit((unsigned char)*(cp1+1))) { if (*++cp1 == '0') { const char *cp3 = src; while (*cp3) { *cp2++ = *cp3++; } match = 1; } else if (toks[toknum = *cp1 - '1']) { const char *cp3 = tp[toknum]; while (cp3 != te[toknum]) { *cp2++ = *cp3++; } match = 1; } } else { while (*cp1 && *cp1 != ',' && *cp1 != ']') { if (*cp1 == '\\') { cp1++; } else if (*cp1 == '$' && isdigit((unsigned char)*(cp1+1))) { if (*++cp1 == '0') { const char *cp3 = src; while (*cp3) { *cp2++ = *cp3++; } } else if (toks[toknum = *cp1 - '1']) { const char *cp3=tp[toknum]; while (cp3 != te[toknum]) { *cp2++ = *cp3++; } } } else if (*cp1) { *cp2++ = *cp1++; } } if (!*cp1) { fputs( "nmap: unbalanced brackets.\n", ttyout); return (src); } match = 1; cp1--; } if (match) { while (*++cp1 && *cp1 != ']') { if (*cp1 == '\\' && *(cp1 + 1)) { cp1++; } } if (!*cp1) { fputs( "nmap: unbalanced brackets.\n", ttyout); return (src); } break; } switch (*++cp1) { case ',': goto LOOP; case ']': break; default: cp1--; goto LOOP; } break; case '$': if (isdigit((unsigned char)*(cp1 + 1))) { if (*++cp1 == '0') { const char *cp3 = src; while (*cp3) { *cp2++ = *cp3++; } } else if (toks[toknum = *cp1 - '1']) { const char *cp3 = tp[toknum]; while (cp3 != te[toknum]) { *cp2++ = *cp3++; } } break; } /* intentional drop through */ default: *cp2++ = *cp1; break; } cp1++; } *cp2 = '\0'; return *dst ? dst : src; } void setpassive(int argc, char *argv[]) { if (argc == 1) { passivemode = !passivemode; activefallback = passivemode; } else if (argc != 2) { passiveusage: UPRINTF("usage: %s [ on | off | auto ]\n", argv[0]); code = -1; return; } else if (strcasecmp(argv[1], "on") == 0) { passivemode = 1; activefallback = 0; } else if (strcasecmp(argv[1], "off") == 0) { passivemode = 0; activefallback = 0; } else if (strcasecmp(argv[1], "auto") == 0) { passivemode = 1; activefallback = 1; } else goto passiveusage; fprintf(ttyout, "Passive mode: %s; fallback to active mode: %s.\n", onoff(passivemode), onoff(activefallback)); code = passivemode; } void setepsv4(int argc, char *argv[]) { code = togglevar(argc, argv, &epsv4, verbose ? "EPSV/EPRT on IPv4" : NULL); epsv4bad = 0; } 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"); } int parserate(int argc, char *argv[], int cmdlineopt) { int dir, max, incr, showonly; sigfunc oldusr1, oldusr2; if (argc > 4 || (argc < (cmdlineopt ? 3 : 2))) { usage: if (cmdlineopt) UPRINTF( "usage: %s (all|get|put),maximum-bytes[,increment-bytes]]\n", argv[0]); else UPRINTF( "usage: %s (all|get|put) [maximum-bytes [increment-bytes]]\n", argv[0]); return -1; } dir = max = incr = showonly = 0; #define RATE_GET 1 #define RATE_PUT 2 #define RATE_ALL (RATE_GET | RATE_PUT) if (strcasecmp(argv[1], "all") == 0) dir = RATE_ALL; else if (strcasecmp(argv[1], "get") == 0) dir = RATE_GET; else if (strcasecmp(argv[1], "put") == 0) dir = RATE_PUT; else goto usage; if (argc >= 3) { if ((max = strsuftoi(argv[2])) < 0) goto usage; } else showonly = 1; if (argc == 4) { if ((incr = strsuftoi(argv[3])) <= 0) goto usage; } else incr = DEFAULTINCR; oldusr1 = xsignal(SIGUSR1, SIG_IGN); oldusr2 = xsignal(SIGUSR2, SIG_IGN); if (dir & RATE_GET) { if (!showonly) { rate_get = max; rate_get_incr = incr; } if (!cmdlineopt || verbose) fprintf(ttyout, "Get transfer rate throttle: %s; maximum: %d; increment %d.\n", onoff(rate_get), rate_get, rate_get_incr); } if (dir & RATE_PUT) { if (!showonly) { rate_put = max; rate_put_incr = incr; } if (!cmdlineopt || verbose) fprintf(ttyout, "Put transfer rate throttle: %s; maximum: %d; increment %d.\n", onoff(rate_put), rate_put, rate_put_incr); } (void)xsignal(SIGUSR1, oldusr1); (void)xsignal(SIGUSR2, oldusr2); return 0; } void setrate(int argc, char *argv[]) { code = parserate(argc, argv, 0); } /* change directory to parent directory */ void cdup(int argc, char *argv[]) { int r; if (argc == 0) { UPRINTF("usage: %s\n", argv[0]); code = -1; return; } 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; updateremotecwd(); } } /* * Restart transfer at specific point */ void restart(int argc, char *argv[]) { if (argc == 0 || argc > 2) { UPRINTF("usage: %s [restart-point]\n", argv[0]); code = -1; return; } if (! features[FEAT_REST_STREAM]) { fprintf(ttyout, "Restart is not supported by the remote server.\n"); return; } if (argc == 2) { off_t rp; char *ep; rp = STRTOLL(argv[1], &ep, 10); if (rp < 0 || *ep != '\0') fprintf(ttyout, "restart: Invalid offset `%s'\n", argv[1]); else restart_point = rp; } if (restart_point == 0) fputs("No restart point defined.\n", ttyout); else fprintf(ttyout, "Restarting at " LLF " for next get, put or append\n", (LLT)restart_point); } /* * Show remote system type */ void syst(int argc, char *argv[]) { int oldverbose = verbose; if (argc == 0) { UPRINTF("usage: %s\n", argv[0]); code = -1; return; } verbose = 1; /* If we aren't verbose, this doesn't do anything! */ (void)command("SYST"); verbose = oldverbose; } void macdef(int argc, char *argv[]) { char *tmp; int c; if (argc == 0) goto usage; 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) { usage: UPRINTF("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 == 0 || argc > 2 || (argc == 1 && !another(&argc, &argv, "remote-file"))) { UPRINTF("usage: %s remote-file\n", argv[0]); code = -1; return; } size = remotesize(argv[1], 1); if (size != -1) fprintf(ttyout, "%s\t" LLF "\n", argv[1], (LLT)size); code = (size > 0); } /* * Get last modification time of file on remote machine */ void modtime(int argc, char *argv[]) { time_t mtime; if (argc == 0 || argc > 2 || (argc == 1 && !another(&argc, &argv, "remote-file"))) { UPRINTF("usage: %s remote-file\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 > 0); } /* * Show status on remote machine */ void rmtstatus(int argc, char *argv[]) { if (argc == 0) { UPRINTF("usage: %s [remote-file]\n", argv[0]); code = -1; return; } COMMAND_1ARG(argc, argv, "STAT"); } /* * 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 local file through $PAGER. */ void lpage(int argc, char *argv[]) { size_t len; char *p, *pager, *locfile; if (argc == 0 || argc > 2 || (argc == 1 && !another(&argc, &argv, "local-file"))) { UPRINTF("usage: %s local-file\n", argv[0]); code = -1; return; } if ((locfile = globulize(argv[1])) == NULL) { code = -1; return; } p = getoptionvalue("pager"); if (EMPTYSTRING(p)) p = DEFAULTPAGER; len = strlen(p) + strlen(locfile) + 2; pager = xmalloc(len); (void)strlcpy(pager, p, len); (void)strlcat(pager, " ", len); (void)strlcat(pager, locfile, len); system(pager); code = 0; (void)free(pager); (void)free(locfile); } /* * Display one remote file through $PAGER. */ void page(int argc, char *argv[]) { int ohash, orestart_point, overbose; size_t len; char *p, *pager; if (argc == 0 || argc > 2 || (argc == 1 && !another(&argc, &argv, "remote-file"))) { UPRINTF("usage: %s remote-file\n", argv[0]); code = -1; return; } p = getoptionvalue("pager"); if (EMPTYSTRING(p)) p = DEFAULTPAGER; len = strlen(p) + 2; pager = xmalloc(len); pager[0] = '|'; (void)strlcpy(pager + 1, p, len - 1); ohash = hash; orestart_point = restart_point; overbose = verbose; hash = restart_point = verbose = 0; recvrequest("RETR", pager, argv[1], "r+", 1, 0); hash = ohash; restart_point = orestart_point; verbose = overbose; (void)free(pager); } /* * Set the socket send or receive buffer size. */ void setxferbuf(int argc, char *argv[]) { int size, dir; if (argc != 2) { usage: UPRINTF("usage: %s size\n", argv[0]); code = -1; return; } if (strcasecmp(argv[0], "sndbuf") == 0) dir = RATE_PUT; else if (strcasecmp(argv[0], "rcvbuf") == 0) dir = RATE_GET; else if (strcasecmp(argv[0], "xferbuf") == 0) dir = RATE_ALL; else goto usage; if ((size = strsuftoi(argv[1])) == -1) goto usage; if (size == 0) { fprintf(ttyout, "%s: size must be positive.\n", argv[0]); goto usage; } if (dir & RATE_PUT) sndbuf_size = size; if (dir & RATE_GET) rcvbuf_size = size; fprintf(ttyout, "Socket buffer sizes: send %d, receive %d.\n", sndbuf_size, rcvbuf_size); code = 0; } /* * Set or display options (defaults are provided by various env vars) */ void setoption(int argc, char *argv[]) { struct option *o; code = -1; if (argc == 0 || (argc != 1 && argc != 3)) { UPRINTF("usage: %s [option value]\n", argv[0]); return; } #define OPTIONINDENT ((int) sizeof("http_proxy")) if (argc == 1) { for (o = optiontab; o->name != NULL; o++) { fprintf(ttyout, "%-*s\t%s\n", OPTIONINDENT, o->name, o->value ? o->value : ""); } } else { o = getoption(argv[1]); if (o == NULL) { fprintf(ttyout, "No such option `%s'.\n", argv[1]); return; } FREEPTR(o->value); o->value = xstrdup(argv[2]); if (verbose) fprintf(ttyout, "Setting `%s' to `%s'.\n", o->name, o->value); } code = 0; } /* * Unset an option */ void unsetoption(int argc, char *argv[]) { struct option *o; code = -1; if (argc == 0 || argc != 2) { UPRINTF("usage: %s option\n", argv[0]); return; } o = getoption(argv[1]); if (o == NULL) { fprintf(ttyout, "No such option `%s'.\n", argv[1]); return; } FREEPTR(o->value); fprintf(ttyout, "Unsetting `%s'.\n", o->name); code = 0; } /* * Display features supported by the remote host. */ void feat(int argc, char *argv[]) { int oldverbose = verbose; if (argc == 0) { UPRINTF("usage: %s\n", argv[0]); code = -1; return; } if (! features[FEAT_FEAT]) { fprintf(ttyout, "FEAT is not supported by the remote server.\n"); return; } verbose = 1; /* If we aren't verbose, this doesn't do anything! */ (void)command("FEAT"); verbose = oldverbose; } void mlst(int argc, char *argv[]) { int oldverbose = verbose; if (argc < 1 || argc > 2) { UPRINTF("usage: %s [remote-path]\n", argv[0]); code = -1; return; } if (! features[FEAT_MLST]) { fprintf(ttyout, "MLST is not supported by the remote server.\n"); return; } verbose = 1; /* If we aren't verbose, this doesn't do anything! */ COMMAND_1ARG(argc, argv, "MLST"); verbose = oldverbose; } void opts(int argc, char *argv[]) { int oldverbose = verbose; if (argc < 2 || argc > 3) { UPRINTF("usage: %s command [options]\n", argv[0]); code = -1; return; } if (! features[FEAT_FEAT]) { fprintf(ttyout, "OPTS is not supported by the remote server.\n"); return; } verbose = 1; /* If we aren't verbose, this doesn't do anything! */ if (argc == 2) command("OPTS %s", argv[1]); else command("OPTS %s %s", argv[1], argv[2]); verbose = oldverbose; }