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Diffstat (limited to 'usr.bin/ftp/complete.c')
| -rw-r--r-- | usr.bin/ftp/complete.c | 381 |
1 files changed, 0 insertions, 381 deletions
diff --git a/usr.bin/ftp/complete.c b/usr.bin/ftp/complete.c deleted file mode 100644 index 3c137e2620a..00000000000 --- a/usr.bin/ftp/complete.c +++ /dev/null @@ -1,381 +0,0 @@ -/* $OpenBSD: complete.c,v 1.31 2017/08/01 15:04:44 anton Exp $ */ -/* $NetBSD: complete.c,v 1.10 1997/08/18 10:20:18 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. - * - * 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 - -/* - * FTP user program - command and file completion routines - */ - -#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(const void *, const void *); -static unsigned char complete_ambiguous(char *, int, StringList *); -static unsigned char complete_command(char *, int); -static unsigned char complete_local(char *, int); -static unsigned char complete_remote(char *, int); -static void ftpvis(char *, size_t, const char *, size_t); - -static int -comparstr(const void *a, const void *b) -{ - return (strcmp(*(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(char *word, int list, StringList *words) -{ - char insertstr[PATH_MAX * 2]; - 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 */ - char *p = words->sl_str[0] + wordlen; - ftpvis(insertstr, sizeof(insertstr), p, strlen(p)); - if (el_insertstr(el, insertstr) == -1) - return (CC_ERROR); - else - return (CC_REFRESH); - } - - if (!list) { - 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) { - ftpvis(insertstr, sizeof(insertstr), - lastmatch + wordlen, matchlen - wordlen); - if (el_insertstr(el, insertstr) == -1) - return (CC_ERROR); - else - /* - * XXX: really want CC_REFRESH_BEEP - */ - return (CC_REFRESH); - } - } - - putc('\n', ttyout); - qsort(words->sl_str, words->sl_cur, sizeof(char *), comparstr); - list_vertical(words); - return (CC_REDISPLAY); -} - -/* - * Complete a command - */ -static unsigned char -complete_command(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(char *word, int list) -{ - StringList *words; - char dir[PATH_MAX]; - 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)strlcpy(dir, word, (size_t)(file - word) + 1); - } - 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(char *word, int list) -{ - static StringList *dirlist; - static char lastdir[PATH_MAX]; - StringList *words; - char dir[PATH_MAX]; - 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)strlcpy(dir, word, (size_t)(cp - word + 2)); - file++; - } - - if (dirchange || strcmp(dir, lastdir) != 0) { /* dir not cached */ - char *emesg; - - sl_free(dirlist, 1); - dirlist = sl_init(); - - mflag = 1; - emesg = NULL; - if (debug) - (void)putc('\n', ttyout); - 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) { - fprintf(ttyout, "\n%s\n", emesg); - return (CC_REDISPLAY); - } - (void)strlcpy(lastdir, dir, sizeof lastdir); - 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(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)memcpy(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 if (cursor_argo) - memcpy(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) { - fputs("\nMust be logged in to complete.\n", ttyout); - return (CC_REDISPLAY); - } - return (complete_remote(word, dolist)); - case 'c': /* command complete */ - case 'C': - return (complete_command(word, dolist)); - case 'n': /* no complete */ - return (CC_ERROR); - } - - return (CC_ERROR); -} - -/* - * Copy characters from src into dst, \ quoting characters that require it. - */ -static void -ftpvis(char *dst, size_t dstlen, const char *src, size_t srclen) -{ - size_t di, si; - - di = si = 0; - while (di + 1 < dstlen && si < srclen && src[si] != '\0') { - switch (src[si]) { - case '\\': - case ' ': - case '\t': - case '\r': - case '\n': - case '"': - /* Need room for two characters and NUL, avoiding - * incomplete escape sequences at end of dst. */ - if (di + 3 >= dstlen) - break; - dst[di++] = '\\'; - /* FALLTHROUGH */ - default: - dst[di++] = src[si++]; - } - } - if (dstlen != 0) - dst[di] = '\0'; -} -#endif /* !SMALL */ |