diff options
Diffstat (limited to 'usr.bin/ftp/main.c')
-rw-r--r-- | usr.bin/ftp/main.c | 514 |
1 files changed, 0 insertions, 514 deletions
diff --git a/usr.bin/ftp/main.c b/usr.bin/ftp/main.c deleted file mode 100644 index 37fa85b..0000000 --- a/usr.bin/ftp/main.c +++ /dev/null @@ -1,514 +0,0 @@ -/* - * 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. - */ - -#ifndef lint -static char copyright[] = -"@(#) Copyright (c) 1985, 1989, 1993, 1994\n\ - The Regents of the University of California. All rights reserved.\n"; -#endif /* not lint */ - -#ifndef lint -static char sccsid[] = "@(#)main.c 8.4 (Berkeley) 4/3/94"; -#endif /* not lint */ - -/* - * FTP User Program -- Command Interface. - */ -/*#include <sys/ioctl.h>*/ -#include <sys/types.h> -#include <sys/socket.h> - -#include <arpa/ftp.h> - -#include <ctype.h> -#include <err.h> -#include <netdb.h> -#include <pwd.h> -#include <signal.h> -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> - -#include "ftp_var.h" - -int -main(argc, argv) - int argc; - char *argv[]; -{ - int ch, top; - struct passwd *pw = NULL; - char *cp, homedir[MAXPATHLEN]; - - sp = getservbyname("ftp", "tcp"); - if (sp == 0) - errx(1, "ftp/tcp: unknown service"); - doglob = 1; - interactive = 1; - autologin = 1; - - while ((ch = getopt(argc, argv, "dgintv")) != EOF) { - switch (*cp) { - case 'd': - options |= SO_DEBUG; - debug++; - break; - - case 'g': - doglob = 0; - break; - - case 'i': - interactive = 0; - break; - - case 'n': - autologin = 0; - break; - - case 't': - trace++; - break; - - case 'v': - verbose++; - break; - - default: - (void)fprintf(stderr, - "usage: ftp [-dgintv] [host [port]]\n"); - exit(1); - } - } - argc -= optind; - argv += optind; - - fromatty = isatty(fileno(stdin)); - if (fromatty) - verbose++; - cpend = 0; /* no pending replies */ - proxy = 0; /* proxy not active */ - crflag = 1; /* strip c.r. on ascii gets */ - sendport = -1; /* not using ports */ - /* - * 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); - } - if (argc > 0) { - char *xargv[5]; - extern char *__progname; - - if (setjmp(toplevel)) - exit(0); - (void) signal(SIGINT, intr); - (void) signal(SIGPIPE, lostpeer); - xargv[0] = __progname; - xargv[1] = argv[0]; - xargv[2] = argv[1]; - xargv[3] = argv[2]; - xargv[4] = NULL; - setpeer(argc+1, xargv); - } - top = setjmp(toplevel) == 0; - if (top) { - (void) signal(SIGINT, intr); - (void) signal(SIGPIPE, lostpeer); - } - for (;;) { - cmdscanner(top); - top = 1; - } -} - -void -intr() -{ - - longjmp(toplevel, 1); -} - -void -lostpeer() -{ - - 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); -} - -/* -char * -tail(filename) - char *filename; -{ - char *s; - - while (*filename) { - s = strrchr(filename, '/'); - if (s == NULL) - break; - if (s[1]) - return (s + 1); - *s = '\0'; - } - return (filename); -} -*/ - -/* - * Command parser. - */ -void -cmdscanner(top) - int top; -{ - struct cmd *c; - int l; - - if (!top) - (void) putchar('\n'); - for (;;) { - if (fromatty) { - printf("ftp> "); - (void) fflush(stdout); - } - if (fgets(line, sizeof line, stdin) == NULL) - quit(0, 0); - l = strlen(line); - if (l == 0) - break; - if (line[--l] == '\n') { - if (l == 0) - break; - line[l] = '\0'; - } else if (l == sizeof(line) - 2) { - printf("sorry, input line too long\n"); - while ((l = getchar()) != '\n' && l != EOF) - /* void */; - break; - } /* else it was a line without a newline */ - makeargv(); - if (margc == 0) { - continue; - } - c = getcmd(margv[0]); - if (c == (struct cmd *)-1) { - printf("?Ambiguous command\n"); - continue; - } - if (c == 0) { - printf("?Invalid command\n"); - continue; - } - if (c->c_conn && !connected) { - printf("Not connected.\n"); - continue; - } - (*c->c_handler)(margc, margv); - if (bell && c->c_bell) - (void) putchar('\007'); - if (c->c_handler != help) - break; - } - (void) signal(SIGINT, intr); - (void) signal(SIGPIPE, lostpeer); -} - -struct cmd * -getcmd(name) - char *name; -{ - char *p, *q; - struct cmd *c, *found; - int nmatches, longest; - - longest = 0; - nmatches = 0; - found = 0; - for (c = cmdtab; p = c->c_name; 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; - - margc = 0; - argp = margv; - stringbase = line; /* scan from first of buffer */ - argbase = argbuf; /* store from first of buffer */ - slrflag = 0; - while (*argp++ = slurpstring()) - margc++; -} - -/* - * 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++; - stringbase++; - return ((*sb == '!') ? "!" : "$"); - /* NOTREACHED */ - case 1: - slrflag++; - altarg = stringbase; - break; - default: - break; - } - } - -S0: - switch (*sb) { - - case '\0': - goto OUT; - - case ' ': - case '\t': - 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 '\\': - sb++; goto S2; /* slurp next character */ - - case '"': - sb++; goto S3; /* slurp quoted string */ - - default: - *ap++ = *sb++; /* add character to token */ - got_one = 1; - goto S1; - } - -S2: - switch (*sb) { - - case '\0': - goto OUT; - - default: - *ap++ = *sb++; - got_one = 1; - goto S1; - } - -S3: - switch (*sb) { - - case '\0': - goto OUT; - - case '"': - sb++; goto S1; - - default: - *ap++ = *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); -} - -#define HELPINDENT ((int) sizeof ("directory")) - -/* - * 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) { - int i, j, w, k; - int columns, width = 0, lines; - - printf("Commands may be abbreviated. Commands are:\n\n"); - for (c = cmdtab; c < &cmdtab[NCMDS]; c++) { - int len = strlen(c->c_name); - - if (len > width) - width = len; - } - width = (width + 8) &~ 7; - columns = 80 / width; - if (columns == 0) - columns = 1; - lines = (NCMDS + columns - 1) / columns; - for (i = 0; i < lines; i++) { - for (j = 0; j < columns; j++) { - c = cmdtab + j * lines + i; - if (c->c_name && (!proxy || c->c_proxy)) { - printf("%s", c->c_name); - } - else if (c->c_name) { - for (k=0; k < strlen(c->c_name); k++) { - (void) putchar(' '); - } - } - if (c + lines >= &cmdtab[NCMDS]) { - printf("\n"); - break; - } - w = strlen(c->c_name); - while (w < width) { - w = (w + 8) &~ 7; - (void) putchar('\t'); - } - } - } - return; - } - 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); - } -} |