diff options
Diffstat (limited to 'contrib/tnftp/src/cmds.c')
| -rw-r--r-- | contrib/tnftp/src/cmds.c | 2797 |
1 files changed, 2797 insertions, 0 deletions
diff --git a/contrib/tnftp/src/cmds.c b/contrib/tnftp/src/cmds.c new file mode 100644 index 0000000..7be3a77 --- /dev/null +++ b/contrib/tnftp/src/cmds.c @@ -0,0 +1,2797 @@ +/* $NetBSD: cmds.c,v 1.17 2010/01/12 06:55:47 lukem Exp $ */ +/* from NetBSD: cmds.c,v 1.130 2009/07/13 19:05:41 roy Exp */ + +/*- + * Copyright (c) 1996-2009 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. + * + * 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 "tnftp.h" + +#if 0 /* tnftp */ + +#include <sys/cdefs.h> +#ifndef lint +#if 0 +static char sccsid[] = "@(#)cmds.c 8.6 (Berkeley) 10/9/94"; +#else +__RCSID(" NetBSD: cmds.c,v 1.130 2009/07/13 19:05:41 roy Exp "); +#endif +#endif /* not lint */ + +/* + * FTP User Program -- Command Routines. + */ +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/stat.h> +#include <sys/wait.h> +#include <arpa/ftp.h> + +#include <ctype.h> +#include <err.h> +#include <glob.h> +#include <limits.h> +#include <netdb.h> +#include <paths.h> +#include <stddef.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <unistd.h> + +#endif /* tnftp */ + +#include "ftp_var.h" +#include "version.h" + +static struct types { + const char *t_name; + const char *t_mode; + int t_type; + const 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, NULL, 0, NULL } +}; + +static sigjmp_buf jabort; + +static int confirm(const char *, const char *); +static void mintr(int); +static void mabort(const char *); +static void set_type(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 *); + +/* + * Confirm if "cmd" is to be performed upon "file". + * If "file" is NULL, generate a "Continue with" prompt instead. + */ +static int +confirm(const char *cmd, const char *file) +{ + const char *errormsg; + char cline[BUFSIZ]; + const char *promptleft, *promptright; + + if (!interactive || confirmrest) + return (1); + if (file == NULL) { + promptleft = "Continue with"; + promptright = cmd; + } else { + promptleft = cmd; + promptright = file; + } + while (1) { + fprintf(ttyout, "%s %s [anpqy?]? ", promptleft, promptright); + (void)fflush(ttyout); + if (get_line(stdin, cline, sizeof(cline), &errormsg) < 0) { + mflag = 0; + fprintf(ttyout, "%s; %s aborted\n", errormsg, cmd); + return (0); + } + switch (tolower((unsigned char)*cline)) { + 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", cmd); + /* 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; + + if (argc == 0 || argc > 2) { + const 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; + } + set_type(argv[1]); +} + +void +set_type(const char *ttype) +{ + struct types *p; + int comret; + + for (p = types; p->t_name; p++) + if (strcmp(ttype, p->t_name) == 0) + break; + if (p->t_name == 0) { + fprintf(ttyout, "%s: unknown mode.\n", ttype); + 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 (ftp_debug == 0 && show == 0) + verbose = 0; + for (p = types; p->t_name; p++) + if (newtype == p->t_type) + break; + if (p->t_name == 0) { + errx(1, "changetype: unknown type %d", newtype); + } + 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; +} + +/* + * Set binary transfer type. + */ +/*VARARGS*/ +void +setbinary(int argc, char *argv[]) +{ + + if (argc == 0) { + UPRINTF("usage: %s\n", argv[0]); + code = -1; + return; + } + set_type("binary"); +} + +/* + * Set ascii transfer type. + */ +/*VARARGS*/ +void +setascii(int argc, char *argv[]) +{ + + if (argc == 0) { + UPRINTF("usage: %s\n", argv[0]); + code = -1; + return; + } + set_type("ascii"); +} + +/* + * Set tenex transfer type. + */ +/*VARARGS*/ +void +settenex(int argc, char *argv[]) +{ + + if (argc == 0) { + UPRINTF("usage: %s\n", argv[0]); + code = -1; + return; + } + set_type("tenex"); +} + +/* + * 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]; + const 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; + } + mflag = 1; + oldintr = xsignal(SIGINT, mintr); + if (sigsetjmp(jabort, 1)) + mabort(argv[0]); + 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(argv[0], NULL)) { + 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(argv[0], NULL)) { + 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("Glob pattern `%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(argv[0], NULL)) { + 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 *gmode) +{ + 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("Can't stat `%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, gmode, + remfile != argv[1] || locfile != argv[2], loc); + restart_point = 0; + freegetit: + (void)free(olocfile); + return (rval); +} + +/* ARGSUSED */ +static void +mintr(int signo) +{ + + alarmtimer(0); + if (fromatty) + write(fileno(ttyout), "\n", 1); + siglongjmp(jabort, 1); +} + +static void +mabort(const char *cmd) +{ + int ointer, oconf; + + if (mflag && fromatty) { + ointer = interactive; + oconf = confirmrest; + interactive = 1; + confirmrest = 0; + if (confirm(cmd, NULL)) { + 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 volatile restartit; + + if (argc == 0 || + (argc == 1 && !another(&argc, &argv, "remote-files"))) { + UPRINTF("usage: %s remote-files\n", argv[0]); + code = -1; + return; + } + 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(argv[0]); + 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("Can't 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(argv[0], NULL)) + 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[]) +{ + const char *gmode; + FILE *fp; + char buf[MAXPATHLEN], cmdbuf[MAX_C_NAME]; + + if (argc != 2) { + UPRINTF("usage: %s localfile\n", argv[0]); + code = -1; + return; + } + + fp = fopen(argv[1], "r"); + if (fp == NULL) { + fprintf(ttyout, "Can't open source file %s\n", argv[1]); + code = -1; + return; + } + + (void)strlcpy(cmdbuf, "get", sizeof(cmdbuf)); + argv[0] = cmdbuf; + gmode = restart_point ? "r+" : "w"; + + while (get_line(fp, buf, sizeof(buf), NULL) >= 0) { + if (buf[0] == '\0') + continue; + argv[1] = buf; + (void)getit(argc, argv, 0, gmode); + } + fclose(fp); +} + +const char * +onoff(int val) +{ + + return (val ? "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, "Use of EPSV/EPRT cmds for IPv6: %s%s.\n", onoff(epsv6), + epsv6bad ? " (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<macnum; i++) { + fprintf(ttyout, "\t%s\n", macros[i].mac_name); + } + } +#endif /* !def NO_STATUS */ + fprintf(ttyout, "Version: %s %s\n", FTP_PRODUCT, FTP_VERSION); + code = 0; +} + +/* + * Toggle a variable + */ +int +togglevar(int argc, char *argv[], int *var, const char *mesg) +{ + if (argc == 1) { + *var = !*var; + } else if (argc == 2 && strcasecmp(argv[1], "on") == 0) { + *var = 1; + } else if (argc == 2 && strcasecmp(argv[1], "off") == 0) { + *var = 0; + } else { + UPRINTF("usage: %s [ on | off ]\n", argv[0]); + return (-1); + } + if (mesg) + fprintf(ttyout, "%s %s.\n", mesg, onoff(*var)); + return (*var); +} + +/* + * Set beep on cmd completed mode. + */ +/*VARARGS*/ +void +setbell(int argc, char *argv[]) +{ + + code = togglevar(argc, argv, &bell, "Bell mode"); +} + +/* + * Set command line editing + */ +/*VARARGS*/ +void +setedit(int argc, char *argv[]) +{ + +#ifdef NO_EDITCOMPLETE + if (argc == 0) { + UPRINTF("usage: %s\n", argv[0]); + code = -1; + return; + } + if (verbose) + fputs("Editing support not compiled in; ignoring command.\n", + ttyout); +#else /* !def NO_EDITCOMPLETE */ + code = togglevar(argc, argv, &editing, "Editing mode"); + controlediting(); +#endif /* !def NO_EDITCOMPLETE */ +} + +/* + * Turn on packet tracing. + */ +/*VARARGS*/ +void +settrace(int argc, char *argv[]) +{ + + code = togglevar(argc, argv, &trace, "Packet tracing"); +} + +/* + * Toggle hash mark printing during transfers, or set hash mark bytecount. + */ +/*VARARGS*/ +void +sethash(int argc, char *argv[]) +{ + if (argc == 1) + hash = !hash; + else if (argc != 2) { + UPRINTF("usage: %s [ on | off | bytecount ]\n", + argv[0]); + code = -1; + return; + } else if (strcasecmp(argv[1], "on") == 0) + hash = 1; + else if (strcasecmp(argv[1], "off") == 0) + hash = 0; + else { + int nmark; + + nmark = strsuftoi(argv[1]); + if (nmark < 1) { + fprintf(ttyout, "mark: bad bytecount value `%s'.\n", + argv[1]); + code = -1; + return; + } + mark = nmark; + hash = 1; + } + fprintf(ttyout, "Hash mark printing %s", onoff(hash)); + if (hash) + fprintf(ttyout, " (%d bytes/hash mark)", mark); + fputs(".\n", ttyout); + if (hash) + progress = 0; + code = hash; +} + +/* + * Turn on printing of server echo's. + */ +/*VARARGS*/ +void +setverbose(int argc, char *argv[]) +{ + + code = togglevar(argc, argv, &verbose, "Verbose mode"); +} + +/* + * Toggle PORT/LPRT cmd use before each data connection. + */ +/*VARARGS*/ +void +setport(int argc, char *argv[]) +{ + + code = togglevar(argc, argv, &sendport, "Use of PORT/LPRT cmds"); +} + +/* + * Toggle transfer progress bar. + */ +/*VARARGS*/ +void +setprogress(int argc, char *argv[]) +{ + + code = togglevar(argc, argv, &progress, "Progress bar"); + if (progress) + hash = 0; +} + +/* + * Turn on interactive prompting during mget, mput, and mdelete. + */ +/*VARARGS*/ +void +setprompt(int argc, char *argv[]) +{ + + code = togglevar(argc, argv, &interactive, "Interactive mode"); +} + +/* + * Toggle gate-ftp mode, or set gate-ftp server + */ +/*VARARGS*/ +void +setgate(int argc, char *argv[]) +{ + static char gsbuf[MAXHOSTNAMELEN]; + + if (argc == 0 || argc > 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 = ftp_strdup(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) + ftp_debug = 1; + else if (strcasecmp(argv[1], "off") == 0) + ftp_debug = 0; + else { + int val; + + val = strsuftoi(argv[1]); + if (val < 0) { + fprintf(ttyout, "%s: bad debugging value.\n", + argv[1]); + code = -1; + return; + } + ftp_debug = val; + } + } else + ftp_debug = !ftp_debug; + if (ftp_debug) + options |= SO_DEBUG; + else + options &= ~SO_DEBUG; + fprintf(ttyout, "Debugging %s (ftp_debug=%d).\n", onoff(ftp_debug), ftp_debug); + code = ftp_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("Can't chdir `%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; + } + mflag = 1; + oldintr = xsignal(SIGINT, mintr); + if (sigsetjmp(jabort, 1)) + mabort(argv[0]); + 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(argv[0], NULL)) { + 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 |$PAGER + * pmlsd MLSD |$PAGER + */ +void +ls(int argc, char *argv[]) +{ + const char *cmd; + char *remdir, *locbuf; + const char *locfile; + int pagecmd, mlsdcmd; + + remdir = NULL; + locbuf = NULL; + locfile = "-"; + 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) { + const char *p; + size_t len; + + p = getoptionvalue("pager"); + if (EMPTYSTRING(p)) + p = DEFAULTPAGER; + len = strlen(p) + 2; + locbuf = ftp_malloc(len); + locbuf[0] = '|'; + (void)strlcpy(locbuf + 1, p, len - 1); + locfile = locbuf; + } else if ((strcmp(locfile, "-") != 0) && *locfile != '|') { + if ((locbuf = globulize(locfile)) == NULL || + !confirm("output to local-file:", locbuf)) { + code = -1; + goto freels; + } + locfile = locbuf; + } + recvrequest(cmd, locfile, remdir, "w", 0, 0); + freels: + if (locbuf) + (void)free(locbuf); +} + +/* + * Get a directory listing of multiple remote files. + */ +void +mls(int argc, char *argv[]) +{ + sigfunc oldintr; + int ointer, i; + int volatile dolist; + char * volatile dest, *odest; + const char *lmode; + + 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; + 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(argv[0]); + for (i = 1; mflag && i < argc-1 && connected; i++) { + lmode = (i == 1) ? "w" : "a"; + recvrequest(dolist ? "LIST" : "NLST", dest, argv[i], lmode, + 0, 0); + if (!mflag && fromatty) { + ointer = interactive; + interactive = 1; + if (confirm(argv[0], NULL)) { + 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]; + const char *shellp, *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); + shellp = getenv("SHELL"); + if (shellp == NULL) + shellp = _PATH_BSHELL; + namep = strrchr(shellp, '/'); + if (namep == NULL) + namep = shellp; + else + namep++; + (void)strlcpy(shellnam, namep, sizeof(shellnam)); + if (ftp_debug) { + fputs(shellp, ttyout); + putc('\n', ttyout); + } + if (argc > 1) { + execl(shellp, shellnam, "-c", altarg, (char *)0); + } + else { + execl(shellp, shellnam, (char *)0); + } + warn("Can't execute `%s'", shellp); + code = -1; + exit(1); + } + if (pid > 0) + while (wait(&wait_status) != pid) + ; + (void)xsignal(SIGINT, oldintr); + if (pid == -1) { + warn("Can't fork a subshell; try again later"); + code = -1; + } else + code = 0; +} + +/* + * Send new user information (re-login) + */ +void +user(int argc, char *argv[]) +{ + char *password; + char emptypass[] = ""; + 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: "); + if (password == NULL) + password = emptypass; + } else { + password = argv[2]; + } + n = command("PASS %s", password); + memset(password, 0, strlen(password)); + } + if (n == CONTINUE) { + aflag++; + if (argc < 4) { + password = getpass("Account: "); + if (password == NULL) + password = emptypass; + } 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; + char emptypass[] = ""; + + 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:"); + if (ap == NULL) + ap = emptypass; + } + (void)command("ACCT %s", ap); + memset(ap, 0, strlen(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; + char cmdbuf[MAX_C_NAME]; + + 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); + (void)strlcpy(cmdbuf, c->c_name, sizeof(cmdbuf)); + argv[1] = cmdbuf; + (*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 >= (ptrdiff_t)(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 +setepsv6(int argc, char *argv[]) +{ + code = togglevar(argc, argv, &epsv6, + verbose ? "EPSV/EPRT on IPv6" : NULL); + epsv6bad = 0; +} + +void +setepsv(int argc, char*argv[]) +{ + setepsv4(argc,argv); + setepsv6(argc,argv); +} + +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], + rfc2822time(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; + const char *p; + char *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 = ftp_malloc(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; + const char *p; + char *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 = ftp_malloc(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 { + set_option(argv[1], argv[2], 1); + } + code = 0; +} + +void +set_option(const char * option, const char * value, int doverbose) +{ + struct option *o; + + o = getoption(option); + if (o == NULL) { + fprintf(ttyout, "No such option `%s'.\n", option); + return; + } + FREEPTR(o->value); + o->value = ftp_strdup(value); + if (verbose && doverbose) + fprintf(ttyout, "Setting `%s' to `%s'.\n", + o->name, o->value); +} + +/* + * 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; +} |
