b62081305a
Keep I8N1 and quarantine port code. Replace our security fix with NetBSD's (their idea was better).
374 lines
8.7 KiB
C
374 lines
8.7 KiB
C
/* $Id$ */
|
|
/* $NetBSD: complete.c,v 1.11 1997/09/13 09:05:53 lukem Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1997 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Luke Mewburn.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef SMALL
|
|
|
|
#include <sys/cdefs.h>
|
|
#ifndef lint
|
|
__RCSID("$Id$");
|
|
__RCSID_SOURCE("$NetBSD: complete.c,v 1.11 1997/09/13 09:05:53 lukem Exp $");
|
|
#endif /* not lint */
|
|
|
|
/*
|
|
* FTP user program - command and file completion routines
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <ctype.h>
|
|
#include <err.h>
|
|
#include <dirent.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "ftp_var.h"
|
|
|
|
static int
|
|
comparstr(a, b)
|
|
const void *a, *b;
|
|
{
|
|
return (strcoll(*(char **)a, *(char **)b));
|
|
}
|
|
|
|
/*
|
|
* Determine if complete is ambiguous. If unique, insert.
|
|
* If no choices, error. If unambiguous prefix, insert that.
|
|
* Otherwise, list choices. words is assumed to be filtered
|
|
* to only contain possible choices.
|
|
* Args:
|
|
* word word which started the match
|
|
* list list by default
|
|
* words stringlist containing possible matches
|
|
*/
|
|
static unsigned char
|
|
complete_ambiguous(word, list, words)
|
|
char *word;
|
|
int list;
|
|
StringList *words;
|
|
{
|
|
char insertstr[MAXPATHLEN];
|
|
char *lastmatch;
|
|
int i, j;
|
|
size_t matchlen, wordlen;
|
|
|
|
wordlen = strlen(word);
|
|
if (words->sl_cur == 0)
|
|
return (CC_ERROR); /* no choices available */
|
|
|
|
if (words->sl_cur == 1) { /* only once choice available */
|
|
(void)strcpy(insertstr, words->sl_str[0]);
|
|
if (el_insertstr(el, insertstr + wordlen) == -1)
|
|
return (CC_ERROR);
|
|
else
|
|
return (CC_REFRESH);
|
|
}
|
|
|
|
if (!list) {
|
|
matchlen = 0;
|
|
lastmatch = words->sl_str[0];
|
|
matchlen = strlen(lastmatch);
|
|
for (i = 1 ; i < words->sl_cur ; i++) {
|
|
for (j = wordlen ; j < strlen(words->sl_str[i]); j++)
|
|
if (lastmatch[j] != words->sl_str[i][j])
|
|
break;
|
|
if (j < matchlen)
|
|
matchlen = j;
|
|
}
|
|
if (matchlen > wordlen) {
|
|
(void)strncpy(insertstr, lastmatch, matchlen);
|
|
insertstr[matchlen] = '\0';
|
|
if (el_insertstr(el, insertstr + wordlen) == -1)
|
|
return (CC_ERROR);
|
|
else
|
|
/*
|
|
* XXX: really want CC_REFRESH_BEEP
|
|
*/
|
|
return (CC_REFRESH);
|
|
}
|
|
}
|
|
|
|
putchar('\n');
|
|
qsort(words->sl_str, words->sl_cur, sizeof(char *), comparstr);
|
|
list_vertical(words);
|
|
return (CC_REDISPLAY);
|
|
}
|
|
|
|
/*
|
|
* Complete a command
|
|
*/
|
|
static unsigned char
|
|
complete_command(word, list)
|
|
char *word;
|
|
int list;
|
|
{
|
|
struct cmd *c;
|
|
StringList *words;
|
|
size_t wordlen;
|
|
unsigned char rv;
|
|
|
|
words = sl_init();
|
|
wordlen = strlen(word);
|
|
|
|
for (c = cmdtab; c->c_name != NULL; c++) {
|
|
if (wordlen > strlen(c->c_name))
|
|
continue;
|
|
if (strncmp(word, c->c_name, wordlen) == 0)
|
|
sl_add(words, c->c_name);
|
|
}
|
|
|
|
rv = complete_ambiguous(word, list, words);
|
|
sl_free(words, 0);
|
|
return (rv);
|
|
}
|
|
|
|
/*
|
|
* Complete a local file
|
|
*/
|
|
static unsigned char
|
|
complete_local(word, list)
|
|
char *word;
|
|
int list;
|
|
{
|
|
StringList *words;
|
|
char dir[MAXPATHLEN];
|
|
char *file;
|
|
DIR *dd;
|
|
struct dirent *dp;
|
|
unsigned char rv;
|
|
|
|
if ((file = strrchr(word, '/')) == NULL) {
|
|
dir[0] = '.';
|
|
dir[1] = '\0';
|
|
file = word;
|
|
} else {
|
|
if (file == word) {
|
|
dir[0] = '/';
|
|
dir[1] = '\0';
|
|
} else {
|
|
(void)strncpy(dir, word, file - word);
|
|
dir[file - word] = '\0';
|
|
}
|
|
file++;
|
|
}
|
|
|
|
if ((dd = opendir(dir)) == NULL)
|
|
return (CC_ERROR);
|
|
|
|
words = sl_init();
|
|
|
|
for (dp = readdir(dd); dp != NULL; dp = readdir(dd)) {
|
|
if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, ".."))
|
|
continue;
|
|
if (strlen(file) > dp->d_namlen)
|
|
continue;
|
|
if (strncmp(file, dp->d_name, strlen(file)) == 0) {
|
|
char *tcp;
|
|
|
|
tcp = strdup(dp->d_name);
|
|
if (tcp == NULL)
|
|
errx(1, "Can't allocate memory for local dir");
|
|
sl_add(words, tcp);
|
|
}
|
|
}
|
|
closedir(dd);
|
|
|
|
rv = complete_ambiguous(file, list, words);
|
|
sl_free(words, 1);
|
|
return (rv);
|
|
}
|
|
|
|
/*
|
|
* Complete a remote file
|
|
*/
|
|
static unsigned char
|
|
complete_remote(word, list)
|
|
char *word;
|
|
int list;
|
|
{
|
|
static StringList *dirlist;
|
|
static char lastdir[MAXPATHLEN];
|
|
StringList *words;
|
|
char dir[MAXPATHLEN];
|
|
char *file, *cp;
|
|
int i;
|
|
unsigned char rv;
|
|
|
|
char *dummyargv[] = { "complete", dir, NULL };
|
|
|
|
if ((file = strrchr(word, '/')) == NULL) {
|
|
dir[0] = '.';
|
|
dir[1] = '\0';
|
|
file = word;
|
|
} else {
|
|
cp = file;
|
|
while (*cp == '/' && cp > word)
|
|
cp--;
|
|
(void)strncpy(dir, word, cp - word + 1);
|
|
dir[cp - word + 1] = '\0';
|
|
file++;
|
|
}
|
|
|
|
if (dirchange || strcmp(dir, lastdir) != 0) { /* dir not cached */
|
|
char *emesg;
|
|
|
|
if (dirlist != NULL)
|
|
sl_free(dirlist, 1);
|
|
dirlist = sl_init();
|
|
|
|
mflag = 1;
|
|
emesg = NULL;
|
|
while ((cp = remglob(dummyargv, 0, &emesg)) != NULL) {
|
|
char *tcp;
|
|
|
|
if (!mflag)
|
|
continue;
|
|
if (*cp == '\0') {
|
|
mflag = 0;
|
|
continue;
|
|
}
|
|
tcp = strrchr(cp, '/');
|
|
if (tcp)
|
|
tcp++;
|
|
else
|
|
tcp = cp;
|
|
tcp = strdup(tcp);
|
|
if (tcp == NULL)
|
|
errx(1, "Can't allocate memory for remote dir");
|
|
sl_add(dirlist, tcp);
|
|
}
|
|
if (emesg != NULL) {
|
|
printf("\n%s\n", emesg);
|
|
return (CC_REDISPLAY);
|
|
}
|
|
(void)strcpy(lastdir, dir);
|
|
dirchange = 0;
|
|
}
|
|
|
|
words = sl_init();
|
|
for (i = 0; i < dirlist->sl_cur; i++) {
|
|
cp = dirlist->sl_str[i];
|
|
if (strlen(file) > strlen(cp))
|
|
continue;
|
|
if (strncmp(file, cp, strlen(file)) == 0)
|
|
sl_add(words, cp);
|
|
}
|
|
rv = complete_ambiguous(file, list, words);
|
|
sl_free(words, 0);
|
|
return (rv);
|
|
}
|
|
|
|
/*
|
|
* Generic complete routine
|
|
*/
|
|
unsigned char
|
|
complete(el, ch)
|
|
EditLine *el;
|
|
int ch;
|
|
{
|
|
static char word[FTPBUFLEN];
|
|
static int lastc_argc, lastc_argo;
|
|
|
|
struct cmd *c;
|
|
const LineInfo *lf;
|
|
int celems, dolist;
|
|
size_t len;
|
|
|
|
lf = el_line(el);
|
|
len = lf->lastchar - lf->buffer;
|
|
if (len >= sizeof(line))
|
|
return (CC_ERROR);
|
|
(void)strncpy(line, lf->buffer, len);
|
|
line[len] = '\0';
|
|
cursor_pos = line + (lf->cursor - lf->buffer);
|
|
lastc_argc = cursor_argc; /* remember last cursor pos */
|
|
lastc_argo = cursor_argo;
|
|
makeargv(); /* build argc/argv of current line */
|
|
|
|
if (cursor_argo >= sizeof(word))
|
|
return (CC_ERROR);
|
|
|
|
dolist = 0;
|
|
/* if cursor and word is same, list alternatives */
|
|
if (lastc_argc == cursor_argc && lastc_argo == cursor_argo
|
|
&& strncmp(word, margv[cursor_argc], cursor_argo) == 0)
|
|
dolist = 1;
|
|
else
|
|
(void)strncpy(word, margv[cursor_argc], cursor_argo);
|
|
word[cursor_argo] = '\0';
|
|
|
|
if (cursor_argc == 0)
|
|
return (complete_command(word, dolist));
|
|
|
|
c = getcmd(margv[0]);
|
|
if (c == (struct cmd *)-1 || c == 0)
|
|
return (CC_ERROR);
|
|
celems = strlen(c->c_complete);
|
|
|
|
/* check for 'continuation' completes (which are uppercase) */
|
|
if ((cursor_argc > celems) && (celems > 0)
|
|
&& isupper((unsigned char)c->c_complete[celems-1]))
|
|
cursor_argc = celems;
|
|
|
|
if (cursor_argc > celems)
|
|
return (CC_ERROR);
|
|
|
|
switch (c->c_complete[cursor_argc - 1]) {
|
|
case 'l': /* local complete */
|
|
case 'L':
|
|
return (complete_local(word, dolist));
|
|
case 'r': /* remote complete */
|
|
case 'R':
|
|
if (connected != -1) {
|
|
puts("\nMust be logged in to complete.");
|
|
return (CC_REDISPLAY);
|
|
}
|
|
return (complete_remote(word, dolist));
|
|
case 'c': /* command complete */
|
|
case 'C':
|
|
return (complete_command(word, dolist));
|
|
case 'n': /* no complete */
|
|
default:
|
|
return (CC_ERROR);
|
|
}
|
|
|
|
return (CC_ERROR);
|
|
}
|
|
|
|
#endif /* !SMALL */
|