1 d3e1ab0c 2022-11-24 op /*
  2 d3e1ab0c 2022-11-24 op  * Copyright (c) 2022 Omar Polo <op@omarpolo.com>
  3 d3e1ab0c 2022-11-24 op  *
  4 d3e1ab0c 2022-11-24 op  * Permission to use, copy, modify, and distribute this software for any
  5 d3e1ab0c 2022-11-24 op  * purpose with or without fee is hereby granted, provided that the above
  6 d3e1ab0c 2022-11-24 op  * copyright notice and this permission notice appear in all copies.
  7 d3e1ab0c 2022-11-24 op  *
  8 d3e1ab0c 2022-11-24 op  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  9 d3e1ab0c 2022-11-24 op  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 10 d3e1ab0c 2022-11-24 op  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 11 d3e1ab0c 2022-11-24 op  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 12 d3e1ab0c 2022-11-24 op  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 13 d3e1ab0c 2022-11-24 op  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 14 d3e1ab0c 2022-11-24 op  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 15 d3e1ab0c 2022-11-24 op  */
 16 d3e1ab0c 2022-11-24 op 
 17 d3e1ab0c 2022-11-24 op #include "compat.h"
 18 d3e1ab0c 2022-11-24 op 
 19 d3e1ab0c 2022-11-24 op #if !HAVE_READLINE
 20 d3e1ab0c 2022-11-24 op 
 21 d3e1ab0c 2022-11-24 op #include <stdio.h>
 22 d3e1ab0c 2022-11-24 op #include <string.h>
 23 d3e1ab0c 2022-11-24 op 
 24 d3e1ab0c 2022-11-24 op char *
 25 d3e1ab0c 2022-11-24 op readline(const char *prompt)
 26 d3e1ab0c 2022-11-24 op {
 27 d3e1ab0c 2022-11-24 op 	char *ch, *line = NULL;
 28 d3e1ab0c 2022-11-24 op 	size_t linesize = 0;
 29 d3e1ab0c 2022-11-24 op 	ssize_t linelen;
 30 d3e1ab0c 2022-11-24 op 
 31 d3e1ab0c 2022-11-24 op 	printf("%s", prompt);
 32 d3e1ab0c 2022-11-24 op 	fflush(stdout);
 33 d3e1ab0c 2022-11-24 op 
 34 d3e1ab0c 2022-11-24 op 	linelen = getline(&line, &linesize, stdin);
 35 d3e1ab0c 2022-11-24 op 	if (linelen == -1)
 36 d3e1ab0c 2022-11-24 op 		return NULL;
 37 d3e1ab0c 2022-11-24 op 
 38 d3e1ab0c 2022-11-24 op 	if ((ch = strchr(line, '\n')) != NULL)
 39 d3e1ab0c 2022-11-24 op 		*ch = '\0';
 40 d3e1ab0c 2022-11-24 op 	return line;
 41 d3e1ab0c 2022-11-24 op }
 42 d3e1ab0c 2022-11-24 op 
 43 d3e1ab0c 2022-11-24 op void
 44 d3e1ab0c 2022-11-24 op add_history(const char *line)
 45 d3e1ab0c 2022-11-24 op {
 46 d3e1ab0c 2022-11-24 op 	return;
 47 d3e1ab0c 2022-11-24 op }
 48 d3e1ab0c 2022-11-24 op 
 49 d3e1ab0c 2022-11-24 op void
 50 d3e1ab0c 2022-11-24 op compl_setup(void)
 51 d3e1ab0c 2022-11-24 op {
 52 d3e1ab0c 2022-11-24 op 	return;
 53 d3e1ab0c 2022-11-24 op }
 54 d3e1ab0c 2022-11-24 op 
 55 d3e1ab0c 2022-11-24 op #else /* HAVE_READLINE */
 56 d3e1ab0c 2022-11-24 op 
 57 d3e1ab0c 2022-11-24 op #include <ctype.h>
 58 d3e1ab0c 2022-11-24 op #include <limits.h>
 59 d3e1ab0c 2022-11-24 op #include <stdio.h>
 60 d3e1ab0c 2022-11-24 op #include <stdlib.h>
 61 d3e1ab0c 2022-11-24 op #include <string.h>
 62 d3e1ab0c 2022-11-24 op 
 63 d3e1ab0c 2022-11-24 op #include <readline/readline.h>
 64 d3e1ab0c 2022-11-24 op #include <readline/history.h>
 65 d3e1ab0c 2022-11-24 op 
 66 d3e1ab0c 2022-11-24 op #include "kami.h"
 67 d3e1ab0c 2022-11-24 op #include "kamiftp.h"
 68 d3e1ab0c 2022-11-24 op 
 69 d3e1ab0c 2022-11-24 op struct compl_state {
 70 d3e1ab0c 2022-11-24 op 	size_t		  size;
 71 d3e1ab0c 2022-11-24 op 	size_t		  len;
 72 d3e1ab0c 2022-11-24 op 	char		**entries;
 73 d3e1ab0c 2022-11-24 op };
 74 d3e1ab0c 2022-11-24 op 
 75 d3e1ab0c 2022-11-24 op static struct compl_state compl_state;
 76 d3e1ab0c 2022-11-24 op static char compl_prfx[PATH_MAX];
 77 d3e1ab0c 2022-11-24 op 
 78 d3e1ab0c 2022-11-24 op static void
 79 d3e1ab0c 2022-11-24 op compl_state_reset(void)
 80 d3e1ab0c 2022-11-24 op {
 81 d3e1ab0c 2022-11-24 op 	size_t i;
 82 d3e1ab0c 2022-11-24 op 
 83 d3e1ab0c 2022-11-24 op 	for (i = 0; i < compl_state.len; ++i)
 84 d3e1ab0c 2022-11-24 op 		free(compl_state.entries[i]);
 85 d3e1ab0c 2022-11-24 op 	free(compl_state.entries);
 86 d3e1ab0c 2022-11-24 op 
 87 e3644194 2022-12-21 op 	memset(&compl_state, 0, sizeof(compl_state));
 88 d3e1ab0c 2022-11-24 op }
 89 d3e1ab0c 2022-11-24 op 
 90 d3e1ab0c 2022-11-24 op static int
 91 d3e1ab0c 2022-11-24 op compl_add_entry(const struct np_stat *st)
 92 d3e1ab0c 2022-11-24 op {
 93 d3e1ab0c 2022-11-24 op 	const char	*sufx = "";
 94 d3e1ab0c 2022-11-24 op 	char		*dup;
 95 d3e1ab0c 2022-11-24 op 
 96 d3e1ab0c 2022-11-24 op 	if (compl_state.len == compl_state.size) {
 97 d3e1ab0c 2022-11-24 op 		size_t newsz = compl_state.size * 1.5;
 98 d3e1ab0c 2022-11-24 op 		void *t;
 99 d3e1ab0c 2022-11-24 op 
100 e3644194 2022-12-21 op 		if (newsz == 0)
101 e3644194 2022-12-21 op 			newsz = 16;
102 e3644194 2022-12-21 op 
103 e3644194 2022-12-21 op 		/* one for the NULL entry at the end */
104 d3e1ab0c 2022-11-24 op 		t = recallocarray(compl_state.entries, compl_state.size,
105 e3644194 2022-12-21 op 		    newsz + 1, sizeof(char *));
106 d3e1ab0c 2022-11-24 op 		if (t == NULL)
107 d3e1ab0c 2022-11-24 op 			return -1;
108 d3e1ab0c 2022-11-24 op 		compl_state.entries = t;
109 d3e1ab0c 2022-11-24 op 		compl_state.size = newsz;
110 d3e1ab0c 2022-11-24 op 	}
111 d3e1ab0c 2022-11-24 op 
112 d3e1ab0c 2022-11-24 op 	if (st->qid.type & QTDIR)
113 d3e1ab0c 2022-11-24 op 		sufx = "/";
114 d3e1ab0c 2022-11-24 op 
115 d3e1ab0c 2022-11-24 op 	if (asprintf(&dup, "%s%s%s", compl_prfx, st->name, sufx) == -1)
116 d3e1ab0c 2022-11-24 op 		return -1;
117 d3e1ab0c 2022-11-24 op 	compl_state.entries[compl_state.len++] = dup;
118 d3e1ab0c 2022-11-24 op 	return 0;
119 d3e1ab0c 2022-11-24 op }
120 d3e1ab0c 2022-11-24 op 
121 d3e1ab0c 2022-11-24 op static void
122 d3e1ab0c 2022-11-24 op cleanword(char *buf, int brkspc)
123 d3e1ab0c 2022-11-24 op {
124 d3e1ab0c 2022-11-24 op 	char	*cmd;
125 d3e1ab0c 2022-11-24 op 	int	 escape, quote;
126 d3e1ab0c 2022-11-24 op 
127 d3e1ab0c 2022-11-24 op 	while (brkspc && isspace((unsigned char)*buf))
128 d3e1ab0c 2022-11-24 op 		memmove(buf, buf + 1, strlen(buf));
129 d3e1ab0c 2022-11-24 op 
130 d3e1ab0c 2022-11-24 op 	escape = quote = 0;
131 d3e1ab0c 2022-11-24 op 	for (cmd = buf; *cmd != '\0'; ++cmd) {
132 d3e1ab0c 2022-11-24 op 		if (escape) {
133 d3e1ab0c 2022-11-24 op 			escape = 0;
134 d3e1ab0c 2022-11-24 op 			continue;
135 d3e1ab0c 2022-11-24 op 		}
136 d3e1ab0c 2022-11-24 op 		if (*cmd == '\\')
137 d3e1ab0c 2022-11-24 op 			goto skip;
138 d3e1ab0c 2022-11-24 op 		if (*cmd == quote) {
139 d3e1ab0c 2022-11-24 op 			quote = 0;
140 d3e1ab0c 2022-11-24 op 			goto skip;
141 d3e1ab0c 2022-11-24 op 		}
142 d3e1ab0c 2022-11-24 op 		if (*cmd == '\'' || *cmd == '"') {
143 d3e1ab0c 2022-11-24 op 			quote = *cmd;
144 d3e1ab0c 2022-11-24 op 			goto skip;
145 d3e1ab0c 2022-11-24 op 		}
146 d3e1ab0c 2022-11-24 op 		if (quote)
147 d3e1ab0c 2022-11-24 op 			continue;
148 d3e1ab0c 2022-11-24 op 		if (brkspc && isspace((unsigned char)*cmd))
149 d3e1ab0c 2022-11-24 op 			break;
150 d3e1ab0c 2022-11-24 op 		continue;
151 d3e1ab0c 2022-11-24 op 
152 d3e1ab0c 2022-11-24 op 	skip:
153 d3e1ab0c 2022-11-24 op 		memmove(cmd, cmd + 1, strlen(cmd));
154 d3e1ab0c 2022-11-24 op 		cmd--;
155 d3e1ab0c 2022-11-24 op 	}
156 d3e1ab0c 2022-11-24 op 	*cmd = '\0';
157 d3e1ab0c 2022-11-24 op }
158 d3e1ab0c 2022-11-24 op 
159 d3e1ab0c 2022-11-24 op static int
160 d3e1ab0c 2022-11-24 op tellcmd(char *buf)
161 d3e1ab0c 2022-11-24 op {
162 d3e1ab0c 2022-11-24 op 	size_t i;
163 d3e1ab0c 2022-11-24 op 
164 d3e1ab0c 2022-11-24 op 	cleanword(buf, 1);
165 d3e1ab0c 2022-11-24 op 	for (i = 0; i < nitems(cmds); ++i) {
166 d3e1ab0c 2022-11-24 op 		if (!strcmp(cmds[i].name, buf))
167 d3e1ab0c 2022-11-24 op 			return cmds[i].cmdtype;
168 d3e1ab0c 2022-11-24 op 	}
169 d3e1ab0c 2022-11-24 op 
170 d3e1ab0c 2022-11-24 op 	return CMD_UNKNOWN;
171 d3e1ab0c 2022-11-24 op }
172 d3e1ab0c 2022-11-24 op 
173 d3e1ab0c 2022-11-24 op static int
174 d3e1ab0c 2022-11-24 op tell_argno(const char *cmd, int *cmdtype)
175 d3e1ab0c 2022-11-24 op {
176 d3e1ab0c 2022-11-24 op 	char		 cmd0[64];	/* plenty of space */
177 d3e1ab0c 2022-11-24 op 	const char	*start = cmd;
178 d3e1ab0c 2022-11-24 op 	int		 escape, quote;
179 d3e1ab0c 2022-11-24 op 	int		 argno = 0;
180 d3e1ab0c 2022-11-24 op 
181 d3e1ab0c 2022-11-24 op 	*cmdtype = CMD_UNKNOWN;
182 d3e1ab0c 2022-11-24 op 
183 d3e1ab0c 2022-11-24 op 	/* find which argument needs to be completed */
184 d3e1ab0c 2022-11-24 op 	while (*cmd) {
185 d3e1ab0c 2022-11-24 op 		while (isspace((unsigned char)*cmd))
186 d3e1ab0c 2022-11-24 op 			cmd++;
187 d3e1ab0c 2022-11-24 op 		if (*cmd == '\0')
188 d3e1ab0c 2022-11-24 op 			break;
189 d3e1ab0c 2022-11-24 op 
190 d3e1ab0c 2022-11-24 op 		escape = quote = 0;
191 d3e1ab0c 2022-11-24 op 		for (; *cmd; ++cmd) {
192 d3e1ab0c 2022-11-24 op 			if (escape) {
193 d3e1ab0c 2022-11-24 op 				escape = 0;
194 d3e1ab0c 2022-11-24 op 				continue;
195 d3e1ab0c 2022-11-24 op 			}
196 d3e1ab0c 2022-11-24 op 			if (*cmd == '\\') {
197 d3e1ab0c 2022-11-24 op 				escape = 1;
198 d3e1ab0c 2022-11-24 op 				continue;
199 d3e1ab0c 2022-11-24 op 			}
200 d3e1ab0c 2022-11-24 op 			if (*cmd == quote) {
201 d3e1ab0c 2022-11-24 op 				quote = 0;
202 d3e1ab0c 2022-11-24 op 				continue;
203 d3e1ab0c 2022-11-24 op 			}
204 d3e1ab0c 2022-11-24 op 			if (*cmd == '\'' || *cmd == '\"') {
205 d3e1ab0c 2022-11-24 op 				quote = *cmd;
206 d3e1ab0c 2022-11-24 op 				continue;
207 d3e1ab0c 2022-11-24 op 			}
208 d3e1ab0c 2022-11-24 op 			if (quote)
209 d3e1ab0c 2022-11-24 op 				continue;
210 d3e1ab0c 2022-11-24 op 			if (isspace((unsigned char)*cmd))
211 d3e1ab0c 2022-11-24 op 				break;
212 d3e1ab0c 2022-11-24 op 		}
213 d3e1ab0c 2022-11-24 op 		if (isspace((unsigned char)*cmd))
214 d3e1ab0c 2022-11-24 op 			argno++;
215 d3e1ab0c 2022-11-24 op 
216 d3e1ab0c 2022-11-24 op 		if (argno == 1 && strlcpy(cmd0, start, sizeof(cmd0)) <
217 d3e1ab0c 2022-11-24 op 		    sizeof(cmd0))
218 d3e1ab0c 2022-11-24 op 			*cmdtype = tellcmd(cmd0);
219 d3e1ab0c 2022-11-24 op 	}
220 d3e1ab0c 2022-11-24 op 
221 d3e1ab0c 2022-11-24 op 	return argno;
222 d3e1ab0c 2022-11-24 op }
223 d3e1ab0c 2022-11-24 op 
224 d3e1ab0c 2022-11-24 op static char *
225 d3e1ab0c 2022-11-24 op ftp_cmdname_generator(const char *text, int state)
226 d3e1ab0c 2022-11-24 op {
227 d3e1ab0c 2022-11-24 op 	static size_t	 i, len;
228 d3e1ab0c 2022-11-24 op 	struct cmd	*cmd;
229 d3e1ab0c 2022-11-24 op 
230 d3e1ab0c 2022-11-24 op 	if (state == 0) {
231 d3e1ab0c 2022-11-24 op 		i = 0;
232 d3e1ab0c 2022-11-24 op 		len = strlen(text);
233 d3e1ab0c 2022-11-24 op 	}
234 d3e1ab0c 2022-11-24 op 
235 d3e1ab0c 2022-11-24 op 	while (i < nitems(cmds)) {
236 d3e1ab0c 2022-11-24 op 		cmd = &cmds[i++];
237 d3e1ab0c 2022-11-24 op 		if (strncmp(text, cmd->name, len) == 0)
238 d3e1ab0c 2022-11-24 op 			return strdup(cmd->name);
239 d3e1ab0c 2022-11-24 op 	}
240 d3e1ab0c 2022-11-24 op 
241 d3e1ab0c 2022-11-24 op 	return NULL;
242 d3e1ab0c 2022-11-24 op }
243 d3e1ab0c 2022-11-24 op 
244 d3e1ab0c 2022-11-24 op static char *
245 d3e1ab0c 2022-11-24 op ftp_bool_generator(const char *text, int state)
246 d3e1ab0c 2022-11-24 op {
247 d3e1ab0c 2022-11-24 op 	static const char	*toks[] = { "on", "off" };
248 d3e1ab0c 2022-11-24 op 	static size_t		 i, len;
249 d3e1ab0c 2022-11-24 op 	const char		*tok;
250 d3e1ab0c 2022-11-24 op 
251 d3e1ab0c 2022-11-24 op 	if (state == 0) {
252 d3e1ab0c 2022-11-24 op 		i = 0;
253 d3e1ab0c 2022-11-24 op 		len = strlen(text);
254 d3e1ab0c 2022-11-24 op 	}
255 d3e1ab0c 2022-11-24 op 
256 d3e1ab0c 2022-11-24 op 	while ((tok = toks[i++]) != NULL) {
257 d3e1ab0c 2022-11-24 op 		if (strncmp(text, tok, len) == 0)
258 d3e1ab0c 2022-11-24 op 			return strdup(tok);
259 d3e1ab0c 2022-11-24 op 	}
260 d3e1ab0c 2022-11-24 op 	return NULL;
261 d3e1ab0c 2022-11-24 op }
262 d3e1ab0c 2022-11-24 op 
263 d3e1ab0c 2022-11-24 op static char *
264 d3e1ab0c 2022-11-24 op ftp_dirent_generator(const char *text, int state)
265 d3e1ab0c 2022-11-24 op {
266 d3e1ab0c 2022-11-24 op 	static size_t	 i, len;
267 d3e1ab0c 2022-11-24 op 	const char	*entry;
268 d3e1ab0c 2022-11-24 op 
269 d3e1ab0c 2022-11-24 op 	if (state == 0) {
270 d3e1ab0c 2022-11-24 op 		i = 0;
271 d3e1ab0c 2022-11-24 op 		len = strlen(text);
272 d3e1ab0c 2022-11-24 op 	}
273 d3e1ab0c 2022-11-24 op 
274 d3e1ab0c 2022-11-24 op 	while (i < compl_state.len) {
275 d3e1ab0c 2022-11-24 op 		entry = compl_state.entries[i++];
276 d3e1ab0c 2022-11-24 op 		if (strncmp(text, entry, len) == 0)
277 d3e1ab0c 2022-11-24 op 			return strdup(entry);
278 d3e1ab0c 2022-11-24 op 	}
279 d3e1ab0c 2022-11-24 op 	return NULL;
280 d3e1ab0c 2022-11-24 op }
281 d3e1ab0c 2022-11-24 op 
282 d3e1ab0c 2022-11-24 op static char **
283 d3e1ab0c 2022-11-24 op ftp_remote_files(const char *text, int start, int end)
284 d3e1ab0c 2022-11-24 op {
285 d3e1ab0c 2022-11-24 op 	const char	*dir;
286 d3e1ab0c 2022-11-24 op 	char		 t[PATH_MAX];
287 d3e1ab0c 2022-11-24 op 	char		*s, *e;
288 d3e1ab0c 2022-11-24 op 
289 d3e1ab0c 2022-11-24 op 	strlcpy(t, text, sizeof(t));
290 d3e1ab0c 2022-11-24 op 	cleanword(t, 0);
291 d3e1ab0c 2022-11-24 op 
292 d3e1ab0c 2022-11-24 op 	if (!strcmp(t, "..")) {
293 d3e1ab0c 2022-11-24 op 		char **cs;
294 d3e1ab0c 2022-11-24 op 		if ((cs = calloc(2, sizeof(*cs))) == NULL)
295 d3e1ab0c 2022-11-24 op 			return NULL;
296 d3e1ab0c 2022-11-24 op 		cs[0] = strdup("../");
297 d3e1ab0c 2022-11-24 op 		return cs;
298 d3e1ab0c 2022-11-24 op 	}
299 d3e1ab0c 2022-11-24 op 
300 d3e1ab0c 2022-11-24 op 	s = t;
301 d3e1ab0c 2022-11-24 op 	if (!strncmp(s, "./", 2)) {
302 d3e1ab0c 2022-11-24 op 		s++;
303 d3e1ab0c 2022-11-24 op 		while (*s == '/')
304 d3e1ab0c 2022-11-24 op 			s++;
305 d3e1ab0c 2022-11-24 op 	}
306 d3e1ab0c 2022-11-24 op 
307 d3e1ab0c 2022-11-24 op 	if ((e = strrchr(s, '/')) != NULL)
308 d3e1ab0c 2022-11-24 op 		e[1] = '\0';
309 d3e1ab0c 2022-11-24 op 	dir = t;
310 d3e1ab0c 2022-11-24 op 
311 d3e1ab0c 2022-11-24 op 	if (!strcmp(dir, "."))
312 d3e1ab0c 2022-11-24 op 		strlcpy(compl_prfx, "", sizeof(compl_prfx));
313 d3e1ab0c 2022-11-24 op 	else
314 d3e1ab0c 2022-11-24 op 		strlcpy(compl_prfx, dir, sizeof(compl_prfx));
315 d3e1ab0c 2022-11-24 op 
316 d3e1ab0c 2022-11-24 op 	compl_state_reset();
317 d3e1ab0c 2022-11-24 op 	if (dir_listing(dir, compl_add_entry, 0) == -1)
318 d3e1ab0c 2022-11-24 op 		return NULL;
319 d3e1ab0c 2022-11-24 op 	return rl_completion_matches(text, ftp_dirent_generator);
320 d3e1ab0c 2022-11-24 op }
321 d3e1ab0c 2022-11-24 op 
322 d3e1ab0c 2022-11-24 op static char **
323 d3e1ab0c 2022-11-24 op ftp_completion(const char *text, int start, int end)
324 d3e1ab0c 2022-11-24 op {
325 d3e1ab0c 2022-11-24 op 	int	 argno, cmdtype;
326 d3e1ab0c 2022-11-24 op 	char	*line;
327 d3e1ab0c 2022-11-24 op 
328 d3e1ab0c 2022-11-24 op 	/* don't fall back on the default completion system by default */
329 d3e1ab0c 2022-11-24 op 	rl_attempted_completion_over = 1;
330 d3e1ab0c 2022-11-24 op 
331 d3e1ab0c 2022-11-24 op 	if ((line = rl_copy_text(0, start)) == NULL)
332 d3e1ab0c 2022-11-24 op 		return NULL;
333 d3e1ab0c 2022-11-24 op 
334 d3e1ab0c 2022-11-24 op 	argno = tell_argno(line, &cmdtype);
335 d3e1ab0c 2022-11-24 op 	free(line);
336 d3e1ab0c 2022-11-24 op 	if (argno == 0)
337 d3e1ab0c 2022-11-24 op 		return rl_completion_matches(text, ftp_cmdname_generator);
338 d3e1ab0c 2022-11-24 op 
339 d3e1ab0c 2022-11-24 op 	switch (cmdtype) {
340 d3e1ab0c 2022-11-24 op 	case CMD_BELL:
341 d3e1ab0c 2022-11-24 op 	case CMD_HEXDUMP:
342 d3e1ab0c 2022-11-24 op 	case CMD_VERBOSE:
343 d3e1ab0c 2022-11-24 op 		if (argno != 1)
344 d3e1ab0c 2022-11-24 op 			return NULL;
345 d3e1ab0c 2022-11-24 op 		return rl_completion_matches(text, ftp_bool_generator);
346 d3e1ab0c 2022-11-24 op 
347 d3e1ab0c 2022-11-24 op 	case CMD_BYE:
348 d3e1ab0c 2022-11-24 op 	case CMD_LPWD:
349 d3e1ab0c 2022-11-24 op 		/* no args */
350 d3e1ab0c 2022-11-24 op 		return NULL;
351 d3e1ab0c 2022-11-24 op 
352 d3e1ab0c 2022-11-24 op 	case CMD_CD:
353 d3e1ab0c 2022-11-24 op 	case CMD_EDIT:
354 d3e1ab0c 2022-11-24 op 	case CMD_LS:
355 d3e1ab0c 2022-11-24 op 	case CMD_PAGE:
356 d3e1ab0c 2022-11-24 op 		if (argno != 1)
357 d3e1ab0c 2022-11-24 op 			return NULL;
358 d3e1ab0c 2022-11-24 op 		/* fallthrough */
359 d3e1ab0c 2022-11-24 op 	case CMD_RM:
360 d3e1ab0c 2022-11-24 op 		return ftp_remote_files(text, start, end);
361 d3e1ab0c 2022-11-24 op 
362 d3e1ab0c 2022-11-24 op 	case CMD_GET:
363 d3e1ab0c 2022-11-24 op 		if (argno > 2)
364 d3e1ab0c 2022-11-24 op 			return NULL;
365 d3e1ab0c 2022-11-24 op 		if (argno == 2)
366 d3e1ab0c 2022-11-24 op 			return ftp_remote_files(text, start, end);
367 d3e1ab0c 2022-11-24 op 		/* try local */
368 d3e1ab0c 2022-11-24 op 		rl_attempted_completion_over = 0;
369 d3e1ab0c 2022-11-24 op 		return NULL;
370 d3e1ab0c 2022-11-24 op 
371 d3e1ab0c 2022-11-24 op 	case CMD_LCD:
372 d3e1ab0c 2022-11-24 op 		if (argno != 1)
373 d3e1ab0c 2022-11-24 op 			return NULL;
374 d3e1ab0c 2022-11-24 op 		/* try local  */
375 d3e1ab0c 2022-11-24 op 		rl_attempted_completion_over = 0;
376 d3e1ab0c 2022-11-24 op 		return NULL;
377 d3e1ab0c 2022-11-24 op 
378 d3e1ab0c 2022-11-24 op 	case CMD_PIPE:
379 d3e1ab0c 2022-11-24 op 		if (argno > 2)
380 d3e1ab0c 2022-11-24 op 			return NULL;
381 d3e1ab0c 2022-11-24 op 		if (argno == 1)
382 d3e1ab0c 2022-11-24 op 			return ftp_remote_files(text, start, end);
383 d3e1ab0c 2022-11-24 op 		/* try local */
384 d3e1ab0c 2022-11-24 op 		rl_attempted_completion_over = 0;
385 d3e1ab0c 2022-11-24 op 		return NULL;
386 d3e1ab0c 2022-11-24 op 
387 d3e1ab0c 2022-11-24 op 	case CMD_PUT:
388 d3e1ab0c 2022-11-24 op 		if (argno > 2)
389 d3e1ab0c 2022-11-24 op 			return NULL;
390 d3e1ab0c 2022-11-24 op 		if (argno == 1) {
391 d3e1ab0c 2022-11-24 op 			/* try local */
392 d3e1ab0c 2022-11-24 op 			rl_attempted_completion_over = 0;
393 d3e1ab0c 2022-11-24 op 			return NULL;
394 d3e1ab0c 2022-11-24 op 		}
395 d3e1ab0c 2022-11-24 op 		return ftp_remote_files(text, start, end);
396 d3e1ab0c 2022-11-24 op 
397 d3e1ab0c 2022-11-24 op 	case CMD_RENAME:
398 d3e1ab0c 2022-11-24 op 		if (argno > 2)
399 d3e1ab0c 2022-11-24 op 			return NULL;
400 d3e1ab0c 2022-11-24 op 		return ftp_remote_files(text, start, end);
401 d3e1ab0c 2022-11-24 op 	}
402 d3e1ab0c 2022-11-24 op 
403 d3e1ab0c 2022-11-24 op 	return NULL;
404 d3e1ab0c 2022-11-24 op }
405 d3e1ab0c 2022-11-24 op 
406 d3e1ab0c 2022-11-24 op static int
407 d3e1ab0c 2022-11-24 op ftp_quoted(char *line, int index)
408 d3e1ab0c 2022-11-24 op {
409 d3e1ab0c 2022-11-24 op 	if (index > 0 && line[index - 1] == '\\')
410 d3e1ab0c 2022-11-24 op 		return !ftp_quoted(line, index - 1);
411 d3e1ab0c 2022-11-24 op 	return 0;
412 d3e1ab0c 2022-11-24 op }
413 d3e1ab0c 2022-11-24 op 
414 d3e1ab0c 2022-11-24 op void
415 d3e1ab0c 2022-11-24 op compl_setup(void)
416 d3e1ab0c 2022-11-24 op {
417 d3e1ab0c 2022-11-24 op 	rl_attempted_completion_function = ftp_completion;
418 d3e1ab0c 2022-11-24 op 	rl_completer_word_break_characters = "\t ";
419 d3e1ab0c 2022-11-24 op 	rl_completer_quote_characters = "\"'";
420 d3e1ab0c 2022-11-24 op 	rl_char_is_quoted_p = ftp_quoted;
421 d3e1ab0c 2022-11-24 op }
422 d3e1ab0c 2022-11-24 op 
423 d3e1ab0c 2022-11-24 op #endif