diff options
Diffstat (limited to 'usr.bin/ftp/main.c')
| -rw-r--r-- | usr.bin/ftp/main.c | 711 |
1 files changed, 0 insertions, 711 deletions
diff --git a/usr.bin/ftp/main.c b/usr.bin/ftp/main.c deleted file mode 100644 index b5bfc6f..0000000 --- a/usr.bin/ftp/main.c +++ /dev/null @@ -1,711 +0,0 @@ -/* $NetBSD: main.c,v 1.26 1997/10/14 16:31:22 christos Exp $ */ - -/* - * 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. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. 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. - */ - -#include <sys/cdefs.h> -#ifndef lint -__COPYRIGHT("@(#) Copyright (c) 1985, 1989, 1993, 1994\ -\tThe Regents of the University of California. All rights reserved."); -#endif /* not lint */ - -#ifndef lint -#if 0 -static char sccsid[] = "@(#)main.c 8.6 (Berkeley) 10/9/94"; -#else -__RCSID("$FreeBSD$"); -__RCSID_SOURCE("$NetBSD: main.c,v 1.26 1997/10/14 16:31:22 christos Exp $"); -#endif -#endif /* not lint */ - -/* - * FTP User Program -- Command Interface. - */ -#include <sys/types.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <arpa/inet.h> - -#include <err.h> -#include <errno.h> -#include <locale.h> -#include <netdb.h> -#include <pwd.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#include "ftp_var.h" -#include "pathnames.h" - -int family = AF_UNSPEC; - -int main __P((int, char **)); - -int -main(argc, argv) - int argc; - char *argv[]; -{ - int ch, top, rval; - struct passwd *pw = NULL; - char *cp, homedir[MAXPATHLEN], *s; - int dumbterm; - char *src_addr = NULL; - - (void) setlocale(LC_ALL, ""); - - ftpport = "ftp"; - httpport = "http"; - gateport = NULL; - cp = getenv("FTPSERVERPORT"); - if (cp != NULL) - asprintf(&gateport, "%s", cp); - if (!gateport) - asprintf(&gateport, "ftpgate"); - doglob = 1; - interactive = 1; - autologin = 1; - passivemode = 0; - restricted_data_ports = 1; - preserve = 1; - verbose = 0; - progress = 0; - gatemode = 0; -#ifndef SMALL - editing = 0; - el = NULL; - hist = NULL; -#endif - mark = HASHBYTES; - marg_sl = sl_init(); - if ((tmpdir = getenv("TMPDIR")) == NULL) - tmpdir = _PATH_TMP; - - cp = strrchr(argv[0], '/'); - cp = (cp == NULL) ? argv[0] : cp + 1; - if ((s = getenv("FTP_PASSIVE_MODE")) != NULL - && strcasecmp(s, "no") != 0) - passivemode = 1; - if (strcmp(cp, "pftp") == 0) - passivemode = 1; - else if (strcmp(cp, "gate-ftp") == 0) - gatemode = 1; - - gateserver = getenv("FTPSERVER"); - if (gateserver == NULL || *gateserver == '\0') - gateserver = GATE_SERVER; - if (gatemode) { - if (*gateserver == '\0') { - warnx( -"Neither $FTPSERVER nor GATE_SERVER is defined; disabling gate-ftp"); - gatemode = 0; - } - } - - cp = getenv("TERM"); - if (cp == NULL || strcmp(cp, "dumb") == 0) - dumbterm = 1; - else - dumbterm = 0; - fromatty = isatty(fileno(stdin)); - if (fromatty) { - verbose = 1; /* verbose if from a tty */ -#ifndef SMALL - if (! dumbterm) - editing = 1; /* editing mode on if tty is usable */ -#endif - } - if (isatty(fileno(stdout)) && !dumbterm) - progress = 1; /* progress bar on if tty is usable */ - - while ((ch = getopt(argc, argv, "46adeginpP:s:tUvV")) != -1) { - switch (ch) { - case '4': - family = AF_INET; - break; -#ifdef INET6 - case '6': - family = AF_INET6; - break; -#endif - case 'a': - anonftp = 1; - break; - - case 'd': - options |= SO_DEBUG; - debug++; - break; - - case 'e': -#ifndef SMALL - editing = 0; -#endif - break; - - case 'g': - doglob = 0; - break; - - case 'i': - interactive = 0; - break; - - case 'n': - autologin = 0; - break; - - case 'p': - passivemode = 1; - break; - - case 'P': - ftpport = optarg; - break; - - case 's': - dobind = 1; - src_addr = optarg; - break; - - case 't': - trace = 1; - break; - - case 'U': - restricted_data_ports = 0; - break; - - case 'v': - verbose = 1; - break; - - case 'V': - verbose = 0; - break; - - default: - usage(); - } - } - argc -= optind; - argv += optind; - - cpend = 0; /* no pending replies */ - proxy = 0; /* proxy not active */ - crflag = 1; /* strip c.r. on ascii gets */ - sendport = -1; /* not using ports */ - - if (dobind) { - struct addrinfo hints; - struct addrinfo *res; - int error; - - memset(&hints, 0, sizeof(hints)); - hints.ai_family = family; - hints.ai_socktype = SOCK_STREAM; - error = getaddrinfo(src_addr, NULL, &hints, &res); - if (error) { - warnx("%s: %s", src_addr, gai_strerror(error)); - if (error == EAI_SYSTEM) - warnx("%s", strerror(errno)); - exit(1); - } - bindres0 = res; - } - - /* - * Set up the home directory in case we're globbing. - */ - cp = getlogin(); - if (cp != NULL) { - pw = getpwnam(cp); - } - if (pw == NULL) - pw = getpwuid(getuid()); - if (pw != NULL) { - home = homedir; - (void)strcpy(home, pw->pw_dir); - } - - setttywidth(0); - (void)signal(SIGWINCH, setttywidth); - -#ifdef __GNUC__ /* XXX: to shut up gcc warnings */ - (void)&argc; - (void)&argv; -#endif - - if (argc > 0) { - if (strchr(argv[0], ':') != NULL && ! isipv6addr(argv[0])) { - anonftp = 1; /* Handle "automatic" transfers. */ - rval = auto_fetch(argc, argv); - if (rval >= 0) /* -1 == connected and cd-ed */ - exit(rval); - } else { - char *xargv[4], **xargp = xargv; - -#ifdef __GNUC__ /* XXX: to shut up gcc warnings */ - (void)&xargp; -#endif - if (setjmp(toplevel)) - exit(0); - (void)signal(SIGINT, (sig_t)intr); - (void)signal(SIGPIPE, (sig_t)lostpeer); - *xargp++ = __progname; - *xargp++ = argv[0]; /* host */ - if (argc > 1) - *xargp++ = argv[1]; /* port */ - *xargp = NULL; - setpeer(xargp-xargv, xargv); - } - } -#ifndef SMALL - controlediting(); -#endif /* !SMALL */ - top = setjmp(toplevel) == 0; - if (top) { - (void)signal(SIGINT, (sig_t)intr); - (void)signal(SIGPIPE, (sig_t)lostpeer); - } - for (;;) { - cmdscanner(top); - top = 1; - } -} - -void -intr() -{ - - alarmtimer(0); - longjmp(toplevel, 1); -} - -void -lostpeer() -{ - - alarmtimer(0); - if (connected) { - if (cout != NULL) { - (void)shutdown(fileno(cout), 1+1); - (void)fclose(cout); - cout = NULL; - } - if (data >= 0) { - (void)shutdown(data, 1+1); - (void)close(data); - data = -1; - } - connected = 0; - } - pswitch(1); - if (connected) { - if (cout != NULL) { - (void)shutdown(fileno(cout), 1+1); - (void)fclose(cout); - cout = NULL; - } - connected = 0; - } - proxflag = 0; - pswitch(0); -} - -/* - * Generate a prompt - */ -char * -prompt() -{ - return ("ftp> "); -} - -/* - * Command parser. - */ -void -cmdscanner(top) - int top; -{ - struct cmd *c; - int num; - - if (!top -#ifndef SMALL - && !editing -#endif /* !SMALL */ - ) - (void)putchar('\n'); - for (;;) { -#ifndef SMALL - if (!editing) { -#endif /* !SMALL */ - if (fromatty) - fputs(prompt(), stdout); - (void)fflush(stdout); - if (fgets(line, sizeof(line), stdin) == NULL) - quit(0, 0); - num = strlen(line); - if (num == 0) - break; - if (line[--num] == '\n') { - if (num == 0) - break; - line[num] = '\0'; - } else if (num == sizeof(line) - 2) { - puts("sorry, input line too long."); - while ((num = getchar()) != '\n' && num != EOF) - /* void */; - break; - } /* else it was a line without a newline */ -#ifndef SMALL - } else { - const char *buf; - cursor_pos = NULL; - - if ((buf = el_gets(el, &num)) == NULL || num == 0) - quit(0, 0); - if (buf[--num] == '\n') { - if (num == 0) - break; - } else if (num >= sizeof(line)) { - puts("sorry, input line too long."); - break; - } - memcpy(line, buf, num); - line[num] = '\0'; - history(hist, &he, H_ENTER, buf); - } -#endif /* !SMALL */ - - makeargv(); - if (margc == 0) - continue; -#if 0 && !defined(SMALL) /* XXX: don't want el_parse */ - /* - * el_parse returns -1 to signal that it's not been handled - * internally. - */ - if (el_parse(el, margc, margv) != -1) - continue; -#endif /* !SMALL */ - c = getcmd(margv[0]); - if (c == (struct cmd *)-1) { - puts("?Ambiguous command."); - continue; - } - if (c == 0) { - puts("?Invalid command."); - continue; - } - if (c->c_conn && !connected) { - puts("Not connected."); - continue; - } - confirmrest = 0; - (*c->c_handler)(margc, margv); - if (bell && c->c_bell) - (void)putchar('\007'); - if (c->c_handler != help) - break; - } - (void)signal(SIGINT, (sig_t)intr); - (void)signal(SIGPIPE, (sig_t)lostpeer); -} - -struct cmd * -getcmd(name) - const char *name; -{ - const char *p, *q; - struct cmd *c, *found; - int nmatches, longest; - - if (name == NULL) - return (0); - - longest = 0; - nmatches = 0; - found = 0; - for (c = cmdtab; (p = c->c_name) != NULL; c++) { - for (q = name; *q == *p++; q++) - if (*q == 0) /* exact match? */ - return (c); - if (!*q) { /* the name was a prefix */ - if (q - name > longest) { - longest = q - name; - nmatches = 1; - found = c; - } else if (q - name == longest) - nmatches++; - } - } - if (nmatches > 1) - return ((struct cmd *)-1); - return (found); -} - -/* - * Slice a string up into argc/argv. - */ - -int slrflag; - -void -makeargv() -{ - char *argp; - - stringbase = line; /* scan from first of buffer */ - argbase = argbuf; /* store from first of buffer */ - slrflag = 0; - marg_sl->sl_cur = 0; /* reset to start of marg_sl */ - for (margc = 0; ; margc++) { - argp = slurpstring(); - sl_add(marg_sl, argp); - if (argp == NULL) - break; - } -#ifndef SMALL - if (cursor_pos == line) { - cursor_argc = 0; - cursor_argo = 0; - } else if (cursor_pos != NULL) { - cursor_argc = margc; - cursor_argo = strlen(margv[margc-1]); - } -#endif /* !SMALL */ -} - -#ifdef SMALL -#define INC_CHKCURSOR(x) (x)++ -#else /* !SMALL */ -#define INC_CHKCURSOR(x) { (x)++ ; \ - if (x == cursor_pos) { \ - cursor_argc = margc; \ - cursor_argo = ap-argbase; \ - cursor_pos = NULL; \ - } } - -#endif /* !SMALL */ - -/* - * Parse string into argbuf; - * implemented with FSM to - * handle quoting and strings - */ -char * -slurpstring() -{ - int got_one = 0; - char *sb = stringbase; - char *ap = argbase; - char *tmp = argbase; /* will return this if token found */ - - if (*sb == '!' || *sb == '$') { /* recognize ! as a token for shell */ - switch (slrflag) { /* and $ as token for macro invoke */ - case 0: - slrflag++; - INC_CHKCURSOR(stringbase); - return ((*sb == '!') ? "!" : "$"); - /* NOTREACHED */ - case 1: - slrflag++; - altarg = stringbase; - break; - default: - break; - } - } - -S0: - switch (*sb) { - - case '\0': - goto OUT; - - case ' ': - case '\t': - INC_CHKCURSOR(sb); - goto S0; - - default: - switch (slrflag) { - case 0: - slrflag++; - break; - case 1: - slrflag++; - altarg = sb; - break; - default: - break; - } - goto S1; - } - -S1: - switch (*sb) { - - case ' ': - case '\t': - case '\0': - goto OUT; /* end of token */ - - case '\\': - INC_CHKCURSOR(sb); - goto S2; /* slurp next character */ - - case '"': - INC_CHKCURSOR(sb); - goto S3; /* slurp quoted string */ - - default: - *ap = *sb; /* add character to token */ - ap++; - INC_CHKCURSOR(sb); - got_one = 1; - goto S1; - } - -S2: - switch (*sb) { - - case '\0': - goto OUT; - - default: - *ap = *sb; - ap++; - INC_CHKCURSOR(sb); - got_one = 1; - goto S1; - } - -S3: - switch (*sb) { - - case '\0': - goto OUT; - - case '"': - INC_CHKCURSOR(sb); - goto S1; - - default: - *ap = *sb; - ap++; - INC_CHKCURSOR(sb); - got_one = 1; - goto S3; - } - -OUT: - if (got_one) - *ap++ = '\0'; - argbase = ap; /* update storage pointer */ - stringbase = sb; /* update scan pointer */ - if (got_one) { - return (tmp); - } - switch (slrflag) { - case 0: - slrflag++; - break; - case 1: - slrflag++; - altarg = (char *) 0; - break; - default: - break; - } - return ((char *)0); -} - -/* - * Help command. - * Call each command handler with argc == 0 and argv[0] == name. - */ -void -help(argc, argv) - int argc; - char *argv[]; -{ - struct cmd *c; - - if (argc == 1) { - StringList *buf; - - buf = sl_init(); - printf("%sommands may be abbreviated. Commands are:\n\n", - proxy ? "Proxy c" : "C"); - for (c = cmdtab; c < &cmdtab[NCMDS]; c++) - if (c->c_name && (!proxy || c->c_proxy)) - sl_add(buf, c->c_name); - list_vertical(buf); - sl_free(buf, 0); - return; - } - -#define HELPINDENT ((int) sizeof("disconnect")) - - while (--argc > 0) { - char *arg; - - arg = *++argv; - c = getcmd(arg); - if (c == (struct cmd *)-1) - printf("?Ambiguous help command %s\n", arg); - else if (c == (struct cmd *)0) - printf("?Invalid help command %s\n", arg); - else - printf("%-*s\t%s\n", HELPINDENT, - c->c_name, c->c_help); - } -} - -void -usage() -{ - (void)fprintf(stderr, - "usage: %s [-46adeginptUvV] [-P port] [-s src_addr] [host [port]]\n" - " %s host:path[/]\n" - " %s ftp://host[:port]/path[/]\n" - " %s http://host[:port]/file\n", - __progname, __progname, __progname, __progname); - exit(1); -} |
