Annotation of libaitcli/src/aitcli.c, revision 1.8.2.4
1.1 misho 1: /*************************************************************************
2: * (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
3: * by Michael Pounov <misho@openbsd-bg.org>
4: *
5: * $Author: misho $
1.8.2.4 ! misho 6: * $Id: aitcli.c,v 1.8.2.3 2013/10/08 09:28:15 misho Exp $
1.1 misho 7: *
1.4 misho 8: **************************************************************************
9: The ELWIX and AITNET software is distributed under the following
10: terms:
11:
12: All of the documentation and software included in the ELWIX and AITNET
13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
14:
1.6 misho 15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
1.4 misho 16: by Michael Pounov <misho@elwix.org>. All rights reserved.
17:
18: Redistribution and use in source and binary forms, with or without
19: modification, are permitted provided that the following conditions
20: are met:
21: 1. Redistributions of source code must retain the above copyright
22: notice, this list of conditions and the following disclaimer.
23: 2. Redistributions in binary form must reproduce the above copyright
24: notice, this list of conditions and the following disclaimer in the
25: documentation and/or other materials provided with the distribution.
26: 3. All advertising materials mentioning features or use of this software
27: must display the following acknowledgement:
28: This product includes software developed by Michael Pounov <misho@elwix.org>
29: ELWIX - Embedded LightWeight unIX and its contributors.
30: 4. Neither the name of AITNET nor the names of its contributors
31: may be used to endorse or promote products derived from this software
32: without specific prior written permission.
33:
34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
37: ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44: SUCH DAMAGE.
45: */
1.1 misho 46: #include "global.h"
1.3 misho 47: #include "cli.h"
1.1 misho 48:
49:
50: #pragma GCC visibility push(hidden)
51:
52: int cli_Errno;
53: char cli_Error[STRSIZ];
54:
1.3 misho 55: #pragma GCC visibility pop
56:
57: // cli_GetErrno() Get error code of last operation
1.6 misho 58: int
1.3 misho 59: cli_GetErrno()
60: {
61: return cli_Errno;
62: }
63:
1.6 misho 64: // cli_GetError() Get error text of last operation
65: const char *
1.3 misho 66: cli_GetError()
67: {
68: return cli_Error;
69: }
70:
71: // cli_SetErr() Set error to variables for internal use!!!
1.6 misho 72: void
1.3 misho 73: cli_SetErr(int eno, char *estr, ...)
74: {
75: va_list lst;
76:
77: cli_Errno = eno;
1.6 misho 78: memset(cli_Error, 0, sizeof cli_Error);
1.3 misho 79: va_start(lst, estr);
1.6 misho 80: vsnprintf(cli_Error, sizeof cli_Error, estr, lst);
1.3 misho 81: va_end(lst);
82: }
1.2 misho 83:
1.3 misho 84: // ------------------------------------------------------------
85:
86: static inline void
87: clrscrEOL(linebuffer_t * __restrict buf)
88: {
89: register int i;
90:
1.8.2.1 misho 91: if (buf && buf->line_prompt) {
1.3 misho 92: write(buf->line_out, K_CR, 1);
1.1 misho 93:
1.3 misho 94: for (i = 0; i < buf->line_len; i++)
95: write(buf->line_out, K_SPACE, 1);
96: }
97: }
1.1 misho 98:
1.3 misho 99: static inline void
100: printfEOL(linebuffer_t * __restrict buf, int len, int prompt)
1.2 misho 101: {
1.3 misho 102: if (buf) {
1.8.2.1 misho 103: if (prompt && buf->line_prompt) {
104: write(buf->line_out, K_CR, 1);
1.3 misho 105: write(buf->line_out, buf->line_prompt, buf->line_bol);
1.8.2.1 misho 106: }
1.3 misho 107:
1.8.2.1 misho 108: write(buf->line_out, buf->line_buf, len == -1 ?
109: buf->line_eol - buf->line_bol: len);
1.3 misho 110: }
1.2 misho 111: }
112:
1.3 misho 113: static inline void
114: printfCR(linebuffer_t * __restrict buf, int prompt)
1.2 misho 115: {
1.8.2.1 misho 116: if (buf && prompt && buf->line_prompt) {
1.3 misho 117: write(buf->line_out, K_CR, 1);
1.8.2.1 misho 118: write(buf->line_out, buf->line_prompt, buf->line_bol);
1.2 misho 119: }
1.3 misho 120: }
121:
122: static inline void
123: printfNL(linebuffer_t * __restrict buf, int prompt)
124: {
125: if (buf) {
126: write(buf->line_out, K_ENTER, 1);
127:
1.8.2.3 misho 128: if (prompt)
1.3 misho 129: if (prompt && buf->line_prompt)
130: write(buf->line_out, buf->line_prompt, buf->line_bol);
131: }
132: }
133:
134: // ------------------------------------------------------------
135:
136: static int
1.7 misho 137: bufCHAR(int idx, void * __restrict cli_buffer)
1.3 misho 138: {
1.7 misho 139: linebuffer_t *buf = cli_buffer;
1.3 misho 140: int pos;
141:
1.7 misho 142: if (!cli_buffer || idx < 0 || idx > MAX_BINDKEY)
1.3 misho 143: return RETCODE_ERR;
144:
145: pos = buf->line_eol - buf->line_bol;
146:
147: if (buf->line_mode == LINEMODE_INS)
148: memmove(buf->line_buf + pos + buf->line_keys[idx].key_len, buf->line_buf + pos,
149: buf->line_len - buf->line_eol);
150: if (buf->line_mode == LINEMODE_INS || buf->line_eol == buf->line_len - 1)
151: buf->line_len += buf->line_keys[idx].key_len;
152: buf->line_eol += buf->line_keys[idx].key_len;
153:
154: memcpy(buf->line_buf + pos, buf->line_keys[idx].key_ch, buf->line_keys[idx].key_len);
155: buf->line_buf[buf->line_len - 1] = 0;
156:
157: write(buf->line_out, buf->line_keys[idx].key_ch, buf->line_keys[idx].key_len);
158:
159: if (buf->line_mode == LINEMODE_INS) {
160: write(buf->line_out, (const u_char*) buf->line_buf + pos + buf->line_keys[idx].key_len,
161: buf->line_len - buf->line_eol);
162: printfEOL(buf, -1, 1);
1.2 misho 163: }
1.3 misho 164: return RETCODE_OK;
165: }
166:
167: static int
1.7 misho 168: bufEOL(int idx, void * __restrict cli_buffer)
1.3 misho 169: {
1.7 misho 170: if (!cli_buffer || idx < 0 || idx > MAX_BINDKEY)
1.3 misho 171: return RETCODE_ERR;
172:
1.7 misho 173: printfCR(cli_buffer, 1);
1.3 misho 174: return RETCODE_EOL;
175: }
176:
177: static int
1.7 misho 178: bufEOF(int idx, void * __restrict cli_buffer)
1.3 misho 179: {
180: /*
1.7 misho 181: if (!cli_buffer || idx < 0 || idx > MAX_BINDKEY)
1.3 misho 182: return RETCODE_ERR;
183: */
184:
185: return RETCODE_EOF;
186: }
187:
188: static int
1.7 misho 189: bufUP(int idx, void * __restrict cli_buffer)
1.3 misho 190: {
1.7 misho 191: linebuffer_t *buf = cli_buffer;
1.3 misho 192: int pos;
193:
1.7 misho 194: if (!cli_buffer || idx < 0 || idx > MAX_BINDKEY)
1.3 misho 195: return RETCODE_ERR;
196:
197: if (!buf->line_h)
198: buf->line_h = TAILQ_FIRST(&buf->line_history);
199: else
200: buf->line_h = TAILQ_NEXT(buf->line_h, hist_next);
201: if (!buf->line_h)
202: return RETCODE_OK;
203:
204: clrscrEOL(buf);
205: cli_freeLine(buf);
206:
207: pos = buf->line_eol - buf->line_bol;
208:
209: buf->line_len += buf->line_h->hist_len;
210: buf->line_eol += buf->line_h->hist_len;
211:
212: memcpy(buf->line_buf + pos, buf->line_h->hist_line, buf->line_h->hist_len);
213: buf->line_buf[buf->line_len - 1] = 0;
214:
215: printfEOL(buf, -1, 1);
216: return RETCODE_OK;
217: }
218:
219: static int
1.7 misho 220: bufDOWN(int idx, void * __restrict cli_buffer)
1.3 misho 221: {
1.7 misho 222: linebuffer_t *buf = cli_buffer;
1.3 misho 223: int pos;
224:
1.7 misho 225: if (!cli_buffer || idx < 0 || idx > MAX_BINDKEY)
1.3 misho 226: return RETCODE_ERR;
227:
228: if (!buf->line_h)
229: buf->line_h = TAILQ_LAST(&buf->line_history, tqHistoryHead);
230: else
231: buf->line_h = TAILQ_PREV(buf->line_h, tqHistoryHead, hist_next);
232: if (!buf->line_h)
233: return RETCODE_OK;
234:
235: clrscrEOL(buf);
236: cli_freeLine(buf);
237:
238: pos = buf->line_eol - buf->line_bol;
239:
240: buf->line_len += buf->line_h->hist_len;
241: buf->line_eol += buf->line_h->hist_len;
242:
243: memcpy(buf->line_buf + pos, buf->line_h->hist_line, buf->line_h->hist_len);
244: buf->line_buf[buf->line_len - 1] = 0;
245:
246: printfEOL(buf, -1, 1);
247: return RETCODE_OK;
248: }
249:
250: static int
1.7 misho 251: bufCLR(int idx, void * __restrict cli_buffer)
1.3 misho 252: {
1.7 misho 253: if (!cli_buffer || idx < 0 || idx > MAX_BINDKEY)
1.3 misho 254: return RETCODE_ERR;
255:
1.7 misho 256: clrscrEOL(cli_buffer);
257: cli_freeLine(cli_buffer);
1.3 misho 258:
1.7 misho 259: printfCR(cli_buffer, 1);
1.3 misho 260: return RETCODE_OK;
261: }
262:
263: static int
1.7 misho 264: bufBS(int idx, void * __restrict cli_buffer)
1.3 misho 265: {
1.7 misho 266: linebuffer_t *buf = cli_buffer;
1.3 misho 267:
1.7 misho 268: if (!cli_buffer || idx < 0 || idx > MAX_BINDKEY)
1.3 misho 269: return RETCODE_ERR;
270:
271: if (buf->line_bol < buf->line_eol) {
272: clrscrEOL(buf);
273:
274: buf->line_eol--;
275: buf->line_len--;
276: memmove(buf->line_buf + buf->line_eol - buf->line_bol,
277: buf->line_buf + buf->line_eol - buf->line_bol + 1,
278: buf->line_len - buf->line_eol);
279: buf->line_buf[buf->line_len - 1] = 0;
280:
281: printfEOL(buf, buf->line_len - 1, 1);
282: printfEOL(buf, -1, 1);
283: }
284:
285: return RETCODE_OK;
286: }
287:
288: static int
1.7 misho 289: bufBTAB(int idx, void * __restrict cli_buffer)
1.3 misho 290: {
1.7 misho 291: linebuffer_t *buf = cli_buffer;
1.3 misho 292:
1.7 misho 293: if (!cli_buffer || idx < 0 || idx > MAX_BINDKEY)
1.3 misho 294: return RETCODE_ERR;
295:
296: if (buf->line_bol < buf->line_eol) {
297: clrscrEOL(buf);
298:
299: buf->line_len = buf->line_eol - buf->line_bol + 1;
300: buf->line_buf[buf->line_len - 1] = 0;
301:
302: printfEOL(buf, -1, 1);
1.2 misho 303: }
304:
1.3 misho 305: return RETCODE_OK;
306: }
307:
308: static int
1.7 misho 309: bufMODE(int idx, void * __restrict cli_buffer)
1.3 misho 310: {
1.7 misho 311: linebuffer_t *buf = cli_buffer;
1.3 misho 312:
1.7 misho 313: if (!cli_buffer || idx < 0 || idx > MAX_BINDKEY)
1.3 misho 314: return RETCODE_ERR;
315:
316: buf->line_mode = !buf->line_mode ? LINEMODE_OVER : LINEMODE_INS;
317: return RETCODE_OK;
318: }
319:
320: static int
1.7 misho 321: bufBEGIN(int idx, void * __restrict cli_buffer)
1.3 misho 322: {
1.7 misho 323: linebuffer_t *buf = cli_buffer;
1.3 misho 324:
1.7 misho 325: if (!cli_buffer || idx < 0 || idx > MAX_BINDKEY)
1.3 misho 326: return RETCODE_ERR;
327:
328: buf->line_eol = buf->line_bol;
329:
330: printfCR(buf, 1);
331: return RETCODE_OK;
332: }
333:
334: static int
1.7 misho 335: bufEND(int idx, void * __restrict cli_buffer)
1.3 misho 336: {
1.7 misho 337: linebuffer_t *buf = cli_buffer;
1.3 misho 338:
1.7 misho 339: if (!cli_buffer || idx < 0 || idx > MAX_BINDKEY)
1.3 misho 340: return RETCODE_ERR;
341:
342: buf->line_eol = buf->line_len - 1;
343:
344: printfEOL(buf, -1, 1);
345: return RETCODE_OK;
1.2 misho 346: }
347:
1.3 misho 348: static int
1.7 misho 349: bufLEFT(int idx, void * __restrict cli_buffer)
1.2 misho 350: {
1.7 misho 351: linebuffer_t *buf = cli_buffer;
1.3 misho 352:
1.7 misho 353: if (!cli_buffer || idx < 0 || idx > MAX_BINDKEY)
1.3 misho 354: return RETCODE_ERR;
355:
356: if (buf->line_bol < buf->line_eol)
357: printfEOL(buf, --buf->line_eol - buf->line_bol, 1);
358:
359: return RETCODE_OK;
360: }
1.2 misho 361:
1.3 misho 362: static int
1.7 misho 363: bufRIGHT(int idx, void * __restrict cli_buffer)
1.3 misho 364: {
1.7 misho 365: linebuffer_t *buf = cli_buffer;
1.3 misho 366:
1.7 misho 367: if (!cli_buffer || idx < 0 || idx > MAX_BINDKEY)
1.3 misho 368: return RETCODE_ERR;
369:
370: if (buf->line_eol < buf->line_len - 1)
371: printfEOL(buf, ++buf->line_eol - buf->line_bol, 1);
372:
373: return RETCODE_OK;
374: }
375:
376: static int
1.7 misho 377: bufDEL(int idx, void * __restrict cli_buffer)
1.3 misho 378: {
1.7 misho 379: linebuffer_t *buf = cli_buffer;
1.3 misho 380:
1.7 misho 381: if (!cli_buffer || idx < 0 || idx > MAX_BINDKEY)
1.3 misho 382: return RETCODE_ERR;
383:
384: clrscrEOL(buf);
385:
386: buf->line_len--;
387: memmove(buf->line_buf + buf->line_eol - buf->line_bol,
388: buf->line_buf + buf->line_eol - buf->line_bol + 1,
389: buf->line_len - buf->line_eol);
390: buf->line_buf[buf->line_len - 1] = 0;
391:
392: printfEOL(buf, buf->line_len - 1, 1);
393: printfEOL(buf, -1, 1);
394:
395: return RETCODE_OK;
396: }
397:
398: static int
1.7 misho 399: bufComp(int idx, void * __restrict cli_buffer)
1.3 misho 400: {
1.7 misho 401: linebuffer_t *buf = cli_buffer;
1.3 misho 402: char *str, *s, **app, *items[MAX_PROMPT_ITEMS], szLine[STRSIZ];
403: register int i, j;
404: struct tagCommand *cmd, *c;
405: int pos, ret = RETCODE_OK;
406:
1.7 misho 407: if (!cli_buffer || idx < 0 || idx > MAX_BINDKEY)
1.3 misho 408: return RETCODE_ERR;
409:
1.6 misho 410: str = e_strdup(buf->line_buf);
1.3 misho 411: if (!str)
412: return RETCODE_ERR;
1.2 misho 413: else {
1.3 misho 414: s = str;
1.6 misho 415: str_Trim(s);
1.3 misho 416: }
417:
418: i = j = 0;
419: c = NULL;
420: memset(szLine, 0, STRSIZ);
421: if (*s) {
422: memset(items, 0, sizeof(char*) * MAX_PROMPT_ITEMS);
1.8.2.1 misho 423: for (app = items, i = 0; app < items + MAX_PROMPT_ITEMS - 1 &&
424: (*app = strsep(&s, " \t"));
1.3 misho 425: *app ? i++ : i, *app ? app++ : app);
426:
427: if (i) {
428: SLIST_FOREACH(cmd, &buf->line_cmds, cmd_next) {
429: if (cmd->cmd_level == buf->line_level &&
1.8.2.1 misho 430: !strncmp(cmd->cmd_name, items[0],
431: strlen(items[0]))) {
432: if (strncmp(cmd->cmd_name, CLI_CMD_SEP,
433: strlen(CLI_CMD_SEP))) {
1.3 misho 434: j++;
435: c = cmd;
436: strlcat(szLine, " ", STRSIZ);
437: strlcat(szLine, cmd->cmd_name, STRSIZ);
438: }
439: }
440: }
1.2 misho 441:
1.3 misho 442: if (i > 1 && c) {
443: /* we are on argument of command and has complition info */
444: j++; // always must be j > 1 ;) for arguments
445: strlcpy(szLine, c->cmd_info, STRSIZ);
446: }
447: } else {
448: /* we have valid char but i == 0, this case is illegal */
449: ret = RETCODE_ERR;
450: goto endcomp;
1.2 misho 451: }
1.3 misho 452: } else {
453: /* we on 0 position of prompt, show commands for this level */
454: SLIST_FOREACH(cmd, &buf->line_cmds, cmd_next) {
455: if (cmd->cmd_level == buf->line_level)
456: if (strncmp(cmd->cmd_name, CLI_CMD_SEP, strlen(CLI_CMD_SEP))) {
457: j++;
458: c = cmd;
459: strlcat(szLine, " ", STRSIZ);
460: strlcat(szLine, cmd->cmd_name, STRSIZ);
461: }
462: }
463: }
1.2 misho 464:
1.3 misho 465: /* completion show actions ... */
466: if (j > 1 && c) {
467: printfNL(buf, 0);
468: write(buf->line_out, szLine, strlen(szLine));
469: printfNL(buf, 1);
470: printfEOL(buf, buf->line_len - 1, 1);
471: printfEOL(buf, -1, 1);
1.2 misho 472: }
1.3 misho 473: if (j == 1 && c) {
474: clrscrEOL(buf);
475: cli_freeLine(buf);
476:
477: pos = buf->line_eol - buf->line_bol;
478:
479: buf->line_len += c->cmd_len + 1;
480: buf->line_eol += c->cmd_len + 1;
481:
482: memcpy(buf->line_buf + pos, c->cmd_name, c->cmd_len);
483: buf->line_buf[pos + c->cmd_len] = (u_char) *K_SPACE;
484: buf->line_buf[buf->line_len - 1] = 0;
1.2 misho 485:
1.3 misho 486: printfEOL(buf, -1, 1);
1.2 misho 487: }
488:
1.3 misho 489: endcomp:
1.6 misho 490: e_free(str);
1.3 misho 491: return ret;
492: }
493:
494: static int
1.7 misho 495: bufHelp(int idx, void * __restrict cli_buffer)
1.3 misho 496: {
1.7 misho 497: linebuffer_t *buf = cli_buffer;
1.3 misho 498:
1.7 misho 499: if (!cli_buffer || idx < 0 || idx > MAX_BINDKEY)
1.3 misho 500: return RETCODE_ERR;
501:
502: cli_Cmd_Help(buf, -1, NULL);
503:
504: printfEOL(buf, buf->line_len - 1, 1);
505: printfEOL(buf, -1, 1);
506: return RETCODE_OK;
507: }
508:
509:
510: /*
1.6 misho 511: * cli_Printf() - Send message to CLI session
512: *
1.7 misho 513: * @cli_buffer = CLI buffer
1.3 misho 514: * @fmt = printf format string
515: * @... = arguments defined in fmt
516: * return: none
517: */
1.6 misho 518: void
1.7 misho 519: cli_Printf(linebuffer_t * __restrict cli_buffer, char *fmt, ...)
1.3 misho 520: {
521: va_list lst;
522: FILE *f;
523:
524: if (fmt) {
1.7 misho 525: f = fdopen(cli_buffer->line_out, "a");
1.3 misho 526: if (!f) {
527: LOGERR;
528: return;
529: }
530:
531: va_start(lst, fmt);
532: vfprintf(f, fmt, lst);
533: va_end(lst);
534: } else
1.6 misho 535: cli_SetErr(EINVAL, "Invalid input parameters ...");
1.3 misho 536: }
537:
538: /*
1.6 misho 539: * cli_PrintHelp() - Print help screen
540: *
1.7 misho 541: * @cli_buffer = CLI buffer
1.3 misho 542: * return: none
543: */
1.6 misho 544: void
1.7 misho 545: cli_PrintHelp(linebuffer_t * __restrict cli_buffer)
1.3 misho 546: {
1.7 misho 547: if (cli_buffer) {
548: bufHelp(0, cli_buffer);
549: clrscrEOL(cli_buffer);
1.3 misho 550: } else
1.6 misho 551: cli_SetErr(EINVAL, "Invalid input parameters ...");
1.3 misho 552: }
553:
554:
555: /*
1.6 misho 556: * cli_BindKey() - Bind function to key
557: *
1.3 misho 558: * @key = key structure
1.7 misho 559: * @cli_buffer = CLI buffer
1.3 misho 560: * return: RETCODE_ERR error, RETCODE_OK ok, >0 bind at position
561: */
562: int
1.7 misho 563: cli_BindKey(bindkey_t * __restrict key, linebuffer_t * __restrict cli_buffer)
1.3 misho 564: {
565: register int i;
566:
1.7 misho 567: if (!key || !cli_buffer) {
1.6 misho 568: cli_SetErr(EINVAL, "Invalid input parameters ...");
1.3 misho 569: return RETCODE_ERR;
1.2 misho 570: }
1.3 misho 571:
572: for (i = 0; i < MAX_BINDKEY; i++)
1.7 misho 573: if (key->key_len == cli_buffer->line_keys[i].key_len &&
574: !memcmp(key->key_ch, cli_buffer->line_keys[i].key_ch,
575: key->key_len)) {
576: cli_buffer->line_keys[i].key_func = key->key_func;
1.3 misho 577: return i;
578: }
579:
580: return RETCODE_OK;
1.2 misho 581: }
582:
583:
1.3 misho 584: /*
1.6 misho 585: * cli_addCommand() - Add command to CLI session
586: *
1.7 misho 587: * @cli_buffer = CLI buffer
1.3 misho 588: * @csCmd = Command name
589: * @cliLevel = Level in CLI, -1 unprivi(view from all), 0 main config, 1 sub config ...
590: * @funcCmd = Callback function when user call command
591: * @csInfo = Inline information for command
592: * @csHelp = Help line when call help
593: * return: RETCODE_ERR error, RETCODE_OK ok
594: */
595: int
1.7 misho 596: cli_addCommand(linebuffer_t * __restrict cli_buffer, const char *csCmd,
597: int cliLevel, cmd_func_t funcCmd,
1.3 misho 598: const char *csInfo, const char *csHelp)
1.1 misho 599: {
1.3 misho 600: struct tagCommand *cmd;
601:
1.7 misho 602: if (!cli_buffer || !csCmd) {
1.6 misho 603: cli_SetErr(EINVAL, "Invalid input parameters ...");
1.3 misho 604: return RETCODE_ERR;
605: }
606:
1.6 misho 607: cmd = e_malloc(sizeof(struct tagCommand));
1.3 misho 608: if (!cmd) {
609: LOGERR;
610: return RETCODE_ERR;
611: } else
612: memset(cmd, 0, sizeof(struct tagCommand));
613:
614: cmd->cmd_level = cliLevel;
615: cmd->cmd_func = funcCmd;
616: cmd->cmd_len = strlcpy(cmd->cmd_name, csCmd, STRSIZ);
617: if (csInfo)
618: strlcpy(cmd->cmd_info, csInfo, STRSIZ);
619: if (csHelp)
620: strlcpy(cmd->cmd_help, csHelp, STRSIZ);
1.7 misho 621: SLIST_INSERT_HEAD(&cli_buffer->line_cmds, cmd, cmd_next);
1.3 misho 622: return RETCODE_OK;
1.1 misho 623: }
624:
1.3 misho 625: /*
1.6 misho 626: * cli_delCommand() - Delete command from CLI session
627: *
1.7 misho 628: * @cli_buffer = CLI buffer
1.3 misho 629: * @csCmd = Command name
630: * @cliLevel = Level in CLI, -1 unprivi(view from all), 0 main config, 1 sub config ...
631: * return: RETCODE_ERR error, RETCODE_OK ok
632: */
633: int
1.7 misho 634: cli_delCommand(linebuffer_t * __restrict cli_buffer, const char *csCmd, int cliLevel)
1.1 misho 635: {
1.3 misho 636: struct tagCommand *cmd;
637: int ret = RETCODE_OK;
638:
1.7 misho 639: if (!cli_buffer || !csCmd) {
1.6 misho 640: cli_SetErr(EINVAL, "Invalid input parameters ...");
1.3 misho 641: return RETCODE_ERR;
642: }
643:
1.7 misho 644: SLIST_FOREACH(cmd, &cli_buffer->line_cmds, cmd_next)
1.3 misho 645: if (cmd->cmd_level == cliLevel && !strcmp(cmd->cmd_name, csCmd)) {
646: ret = 1;
1.7 misho 647: SLIST_REMOVE(&cli_buffer->line_cmds, cmd, tagCommand, cmd_next);
1.6 misho 648: e_free(cmd);
1.3 misho 649: break;
650: }
651:
652: return ret;
1.1 misho 653: }
654:
1.3 misho 655: /*
1.6 misho 656: * cli_updCommand() - Update command in CLI session
657: *
1.7 misho 658: * @cli_buffer = CLI buffer
1.3 misho 659: * @csCmd = Command name
660: * @cliLevel = Level in CLI, -1 unprivi(view from all), 0 main config, 1 sub config ...
661: * @funcCmd = Callback function when user call command
662: * @csInfo = Inline information for command
663: * @csHelp = Help line when call help
664: * return: RETCODE_ERR error, RETCODE_OK ok
665: */
666: int
1.7 misho 667: cli_updCommand(linebuffer_t * __restrict cli_buffer, const char *csCmd,
668: int cliLevel, cmd_func_t funcCmd,
1.3 misho 669: const char *csInfo, const char *csHelp)
1.1 misho 670: {
1.3 misho 671: struct tagCommand *cmd;
672: int ret = RETCODE_OK;
673:
1.7 misho 674: if (!cli_buffer || !csCmd) {
1.6 misho 675: cli_SetErr(EINVAL, "Invalid input parameters ...");
1.3 misho 676: return RETCODE_ERR;
677: }
678:
1.7 misho 679: SLIST_FOREACH(cmd, &cli_buffer->line_cmds, cmd_next)
1.3 misho 680: if (cmd->cmd_level == cliLevel && !strcmp(cmd->cmd_name, csCmd)) {
681: ret = 1;
682:
683: if (funcCmd)
684: cmd->cmd_func = funcCmd;
685: if (csInfo)
686: strlcpy(cmd->cmd_info, csInfo, STRSIZ);
687: if (csHelp)
688: strlcpy(cmd->cmd_help, csHelp, STRSIZ);
689:
690: break;
691: }
1.1 misho 692:
1.3 misho 693: return ret;
1.1 misho 694: }
695:
696:
697: /*
1.6 misho 698: * cli_addHistory() - Add line to history
699: *
1.7 misho 700: * @cli_buffer = CLI buffer
1.3 misho 701: * @str = Add custom text or if NULL use readed line from CLI buffer
702: * return: RETCODE_ERR error, RETCODE_OK ok
1.1 misho 703: */
1.3 misho 704: int
1.7 misho 705: cli_addHistory(linebuffer_t * __restrict cli_buffer, const char * __restrict str)
1.1 misho 706: {
1.3 misho 707: struct tagHistory *h;
708:
1.7 misho 709: if (!cli_buffer) {
1.6 misho 710: cli_SetErr(EINVAL, "Invalid input parameters ...");
1.3 misho 711: return RETCODE_ERR;
712: }
713:
1.6 misho 714: if (!(h = e_malloc(sizeof(struct tagHistory)))) {
1.3 misho 715: LOGERR;
716: return RETCODE_ERR;
717: } else
718: memset(h, 0, sizeof(struct tagHistory));
719:
720: if (str) {
721: if (!*str) {
1.6 misho 722: e_free(h);
1.3 misho 723: return RETCODE_OK;
724: }
725:
726: h->hist_len = strlcpy(h->hist_line, str, BUFSIZ);
727: } else {
1.7 misho 728: if (!*cli_buffer->line_buf || cli_buffer->line_len < 2) {
1.6 misho 729: e_free(h);
1.3 misho 730: return RETCODE_OK;
731: }
732:
1.7 misho 733: memcpy(h->hist_line, cli_buffer->line_buf, (h->hist_len = cli_buffer->line_len));
1.6 misho 734: str_Trim(h->hist_line);
1.3 misho 735: h->hist_len = strlen(h->hist_line);
736: }
1.1 misho 737:
1.7 misho 738: TAILQ_INSERT_HEAD(&cli_buffer->line_history, h, hist_next);
1.3 misho 739: return h->hist_len;
740: }
1.1 misho 741:
1.3 misho 742: /*
1.6 misho 743: * cli_saveHistory() - Save history to file
744: *
1.7 misho 745: * @cli_buffer = CLI buffer
1.3 misho 746: * @histfile = History filename, if NULL will be use default name
747: * @lines = Maximum history lines to save
748: * return: RETCODE_ERR error, RETCODE_OK ok
749: */
750: int
1.7 misho 751: cli_saveHistory(linebuffer_t * __restrict cli_buffer, const char *histfile, int lines)
1.3 misho 752: {
753: FILE *f;
754: mode_t mode;
755: char szFName[MAXPATHLEN];
756: struct tagHistory *h;
757:
1.7 misho 758: if (!cli_buffer) {
1.6 misho 759: cli_SetErr(EINVAL, "Invalid input parameters ...");
1.3 misho 760: return RETCODE_ERR;
761: }
762: if (!histfile)
763: strlcpy(szFName, HISTORY_FILE, MAXPATHLEN);
764: else
765: strlcpy(szFName, histfile, MAXPATHLEN);
766:
767: mode = umask(0177);
768: f = fopen(szFName, "w");
769: if (!f) {
1.1 misho 770: LOGERR;
1.3 misho 771: return RETCODE_ERR;
772: }
773:
1.7 misho 774: TAILQ_FOREACH(h, &cli_buffer->line_history, hist_next) {
1.3 misho 775: fprintf(f, "%s\n", h->hist_line);
776:
777: if (lines)
778: lines--;
779: else
780: break;
781: }
1.1 misho 782:
1.3 misho 783: fclose(f);
784: umask(mode);
785:
786: return RETCODE_OK;
1.1 misho 787: }
788:
1.3 misho 789: /*
1.6 misho 790: * cli_loadHistory() - Load history from file
791: *
1.7 misho 792: * @cli_buffer = CLI buffer
1.3 misho 793: * @histfile = History filename, if NULL will be use default name
794: * return: RETCODE_ERR error, RETCODE_OK ok
795: */
796: int
1.7 misho 797: cli_loadHistory(linebuffer_t * __restrict cli_buffer, const char *histfile)
1.3 misho 798: {
799: FILE *f;
800: char szFName[MAXPATHLEN], buf[BUFSIZ];
801: struct tagHistory *h;
802:
1.7 misho 803: if (!cli_buffer) {
1.6 misho 804: cli_SetErr(EINVAL, "Invalid input parameters ...");
1.3 misho 805: return RETCODE_ERR;
806: }
807: if (!histfile)
808: strlcpy(szFName, HISTORY_FILE, MAXPATHLEN);
809: else
810: strlcpy(szFName, histfile, MAXPATHLEN);
811:
812: f = fopen(szFName, "r");
813: if (!f)
814: return RETCODE_OK;
815:
816: while (fgets(buf, BUFSIZ, f)) {
817: if (!*buf || *buf == '#')
818: continue;
819: else
1.6 misho 820: str_Trim(buf);
1.3 misho 821:
1.6 misho 822: if (!(h = e_malloc(sizeof(struct tagHistory)))) {
1.3 misho 823: LOGERR;
824: fclose(f);
825: return RETCODE_ERR;
826: } else
827: memset(h, 0, sizeof(struct tagHistory));
828:
829: h->hist_len = strlcpy(h->hist_line, buf, BUFSIZ);
1.7 misho 830: TAILQ_INSERT_TAIL(&cli_buffer->line_history, h, hist_next);
1.3 misho 831: }
832:
833: fclose(f);
834:
835: return RETCODE_OK;
836: }
1.1 misho 837:
838: /*
1.6 misho 839: * cli_resetHistory() - Reset history search in CLI session
840: *
1.7 misho 841: * @cli_buffer = CLI buffer
1.1 misho 842: * return: none
843: */
1.6 misho 844: void
1.7 misho 845: cli_resetHistory(linebuffer_t * __restrict cli_buffer)
1.1 misho 846: {
1.7 misho 847: cli_buffer->line_h = NULL;
1.1 misho 848: }
849:
1.3 misho 850:
1.1 misho 851: /*
1.6 misho 852: * cli_freeLine() - Clear entire line
853: *
1.7 misho 854: * @cli_buffer = CLI buffer
1.3 misho 855: * return: RETCODE_ERR error, RETCODE_OK ok
1.2 misho 856: */
1.6 misho 857: int
1.7 misho 858: cli_freeLine(linebuffer_t * __restrict cli_buffer)
1.2 misho 859: {
1.3 misho 860: int code = RETCODE_ERR;
1.2 misho 861:
1.7 misho 862: if (cli_buffer) {
863: if (cli_buffer->line_buf)
864: e_free(cli_buffer->line_buf);
865:
866: cli_buffer->line_buf = e_malloc(BUFSIZ);
867: if (cli_buffer->line_buf) {
868: memset(cli_buffer->line_buf, 0, BUFSIZ);
869: cli_buffer->line_eol = cli_buffer->line_bol;
870: cli_buffer->line_len = 1 + cli_buffer->line_eol;
1.2 misho 871:
1.3 misho 872: code = RETCODE_OK;
873: } else
874: LOGERR;
875: } else
1.6 misho 876: cli_SetErr(EINVAL, "Invalid input parameters ...");
1.2 misho 877:
1.3 misho 878: return code;
1.2 misho 879: }
880:
881: /*
1.6 misho 882: * cli_setPrompt() - Set new prompt for CLI session
883: *
1.7 misho 884: * @cli_buffer = CLI buffer
1.3 misho 885: * @prompt = new text for prompt or if NULL disable prompt
886: * return: none
1.2 misho 887: */
1.6 misho 888: void
1.7 misho 889: cli_setPrompt(linebuffer_t * __restrict cli_buffer, const char *prompt)
1.2 misho 890: {
1.7 misho 891: if (cli_buffer) {
892: if (cli_buffer->line_prompt) {
893: e_free(cli_buffer->line_prompt);
894: cli_buffer->line_prompt = NULL;
895: cli_buffer->line_bol = 0;
1.3 misho 896: }
897:
898: if (prompt) {
1.7 misho 899: cli_buffer->line_prompt = e_strdup(prompt);
900: if (cli_buffer->line_prompt) {
901: cli_buffer->line_bol = strlen(cli_buffer->line_prompt);
902: cli_buffer->line_eol = cli_buffer->line_bol;
903: cli_buffer->line_len = 1 + cli_buffer->line_eol;
1.3 misho 904: } else
905: LOGERR;
906: }
907: } else
1.6 misho 908: cli_SetErr(EINVAL, "Invalid input parameters ...");
1.2 misho 909: }
910:
1.3 misho 911:
1.2 misho 912: /*
1.6 misho 913: * cliEnd() - Clear data, Free resources and close CLI session
914: *
1.7 misho 915: * @cli_buffer = CLI buffer
1.3 misho 916: * return: RETCODE_ERR error, RETCODE_OK ok
1.2 misho 917: */
1.3 misho 918: void
1.7 misho 919: cliEnd(linebuffer_t * __restrict cli_buffer)
1.2 misho 920: {
1.3 misho 921: struct tagHistory *h;
922: struct tagCommand *c;
923:
1.7 misho 924: if (cli_buffer) {
925: while ((c = SLIST_FIRST(&cli_buffer->line_cmds))) {
926: SLIST_REMOVE_HEAD(&cli_buffer->line_cmds, cmd_next);
1.6 misho 927: e_free(c);
1.3 misho 928: }
1.7 misho 929: while ((h = TAILQ_FIRST(&cli_buffer->line_history))) {
930: TAILQ_REMOVE(&cli_buffer->line_history, h, hist_next);
1.6 misho 931: e_free(h);
1.3 misho 932: }
933:
1.7 misho 934: if (cli_buffer->line_prompt)
935: e_free(cli_buffer->line_prompt);
1.2 misho 936:
1.7 misho 937: if (cli_buffer->line_keys)
938: e_free(cli_buffer->line_keys);
939: if (cli_buffer->line_buf)
940: e_free(cli_buffer->line_buf);
1.2 misho 941:
1.7 misho 942: e_free(cli_buffer);
943: cli_buffer = NULL;
1.3 misho 944: } else
1.6 misho 945: cli_SetErr(EINVAL, "Invalid input parameters ...");
1.3 misho 946: }
947:
948: /*
1.6 misho 949: * cliInit() - Start CLI session, allocate memory for resources and bind keys
950: *
1.3 misho 951: * @fin = Input device handle
952: * @fout = Output device handle
953: * @prompt = text for prompt, if NULL disable prompt
954: * return: NULL if error or !=NULL CLI buffer
955: */
956: linebuffer_t *
957: cliInit(int fin, int fout, const char *prompt)
958: {
1.7 misho 959: linebuffer_t *cli_buffer;
1.3 misho 960: bindkey_t *keys;
961: register int i;
962:
963: /* init buffer */
1.7 misho 964: cli_buffer = e_malloc(sizeof(linebuffer_t));
965: if (!cli_buffer) {
1.3 misho 966: LOGERR;
967: return NULL;
968: } else {
1.7 misho 969: memset(cli_buffer, 0, sizeof(linebuffer_t));
1.3 misho 970:
1.7 misho 971: cli_buffer->line_in = fin;
972: cli_buffer->line_out = fout;
1.3 misho 973:
1.7 misho 974: TAILQ_INIT(&cli_buffer->line_history);
975: SLIST_INIT(&cli_buffer->line_cmds);
1.3 misho 976:
977: if (prompt) {
1.7 misho 978: cli_buffer->line_prompt = e_strdup(prompt);
979: if (!cli_buffer->line_prompt) {
1.3 misho 980: LOGERR;
1.7 misho 981: e_free(cli_buffer);
1.3 misho 982: return NULL;
983: } else
1.7 misho 984: cli_buffer->line_eol = cli_buffer->line_bol =
985: strlen(cli_buffer->line_prompt);
1.8.2.1 misho 986: } else
987: cli_buffer->line_mode = LINEMODE_OVER;
1.3 misho 988: }
1.7 misho 989: cli_buffer->line_buf = e_malloc(BUFSIZ);
990: if (!cli_buffer->line_buf) {
1.3 misho 991: LOGERR;
1.7 misho 992: if (cli_buffer->line_prompt)
993: e_free(cli_buffer->line_prompt);
994: e_free(cli_buffer);
1.3 misho 995: return NULL;
996: } else {
1.7 misho 997: memset(cli_buffer->line_buf, 0, BUFSIZ);
998: cli_buffer->line_len = 1 + cli_buffer->line_eol;
1.3 misho 999: }
1.6 misho 1000: keys = e_calloc(MAX_BINDKEY + 1, sizeof(bindkey_t));
1.3 misho 1001: if (!keys) {
1002: LOGERR;
1.7 misho 1003: if (cli_buffer->line_prompt)
1004: e_free(cli_buffer->line_prompt);
1005: e_free(cli_buffer->line_buf);
1006: e_free(cli_buffer);
1.3 misho 1007: return NULL;
1008: } else
1009: memset(keys, 0, sizeof(bindkey_t) * (MAX_BINDKEY + 1));
1010:
1011: /* add helper functions */
1.7 misho 1012: cli_addCommand(cli_buffer, "exit", 0, cli_Cmd_Exit, "exit <cr>", "Exit from console");
1013: cli_addCommand(cli_buffer, "help", 0, cli_Cmd_Help, "help [command] <cr>", "Help screen");
1014: cli_addCommand(cli_buffer, "-------", 0, NULL, "-------------------------", NULL);
1.3 misho 1015:
1016: /* fill key bindings */
1.6 misho 1017: /* ascii chars & ctrl+chars */
1.3 misho 1018: for (i = 0; i < 256; i++) {
1019: *keys[i].key_ch = (u_char) i;
1020: keys[i].key_len = 1;
1021:
1022: if (!i || i == *K_CTRL_D)
1023: keys[i].key_func = bufEOF;
1024: if (i == *K_CTRL_M || i == *K_CTRL_J)
1025: keys[i].key_func = bufEOL;
1.8.2.1 misho 1026: if (cli_buffer->line_prompt && (i == *K_CTRL_H || i == *K_BACKSPACE))
1.3 misho 1027: keys[i].key_func = bufBS;
1.8.2.1 misho 1028: if (cli_buffer->line_prompt && i == *K_CTRL_C)
1.3 misho 1029: keys[i].key_func = bufCLR;
1.8.2.1 misho 1030: if (cli_buffer->line_prompt && i == *K_CTRL_A)
1.3 misho 1031: keys[i].key_func = bufBEGIN;
1.8.2.1 misho 1032: if (cli_buffer->line_prompt && i == *K_CTRL_E)
1.3 misho 1033: keys[i].key_func = bufEND;
1.8.2.1 misho 1034: if (cli_buffer->line_prompt && i == *K_TAB)
1.3 misho 1035: keys[i].key_func = bufComp;
1036: if (i >= *K_SPACE && i < *K_BACKSPACE)
1037: keys[i].key_func = bufCHAR;
1038: if (i > *K_BACKSPACE && i < 0xff)
1039: keys[i].key_func = bufCHAR;
1.8.2.1 misho 1040: if (cli_buffer->line_prompt && i == '?')
1.3 misho 1041: keys[i].key_func = bufHelp;
1042: }
1.6 misho 1043: /* alt+chars */
1.3 misho 1044: for (i = 256; i < 512; i++) {
1045: keys[i].key_ch[0] = 0x1b;
1046: keys[i].key_ch[1] = (u_char) i - 256;
1047: keys[i].key_len = 2;
1048: }
1049:
1.6 misho 1050: /* 3 bytes */
1.3 misho 1051: keys[i].key_len = sizeof K_F1 - 1;
1052: memcpy(keys[i].key_ch, K_F1, keys[i].key_len);
1053: i++;
1054: keys[i].key_len = sizeof K_F2 - 1;
1055: memcpy(keys[i].key_ch, K_F2, keys[i].key_len);
1056: i++;
1057: keys[i].key_len = sizeof K_F3 - 1;
1058: memcpy(keys[i].key_ch, K_F3, keys[i].key_len);
1059: i++;
1060: keys[i].key_len = sizeof K_F4 - 1;
1061: memcpy(keys[i].key_ch, K_F4, keys[i].key_len);
1062: i++;
1063: keys[i].key_len = sizeof K_CTRL_SH_F1 - 1;
1064: memcpy(keys[i].key_ch, K_CTRL_SH_F1, keys[i].key_len);
1065: i++;
1066: keys[i].key_len = sizeof K_CTRL_SH_F2 - 1;
1067: memcpy(keys[i].key_ch, K_CTRL_SH_F2, keys[i].key_len);
1068: i++;
1069: keys[i].key_len = sizeof K_CTRL_SH_F3 - 1;
1070: memcpy(keys[i].key_ch, K_CTRL_SH_F3, keys[i].key_len);
1071: i++;
1072: keys[i].key_len = sizeof K_CTRL_SH_F4 - 1;
1073: memcpy(keys[i].key_ch, K_CTRL_SH_F4, keys[i].key_len);
1074: i++;
1075: keys[i].key_len = sizeof K_CTRL_SH_F5 - 1;
1076: memcpy(keys[i].key_ch, K_CTRL_SH_F5, keys[i].key_len);
1077: i++;
1078: keys[i].key_len = sizeof K_CTRL_SH_F6 - 1;
1079: memcpy(keys[i].key_ch, K_CTRL_SH_F6, keys[i].key_len);
1080: i++;
1081: keys[i].key_len = sizeof K_CTRL_SH_F7 - 1;
1082: memcpy(keys[i].key_ch, K_CTRL_SH_F7, keys[i].key_len);
1083: i++;
1084: keys[i].key_len = sizeof K_CTRL_SH_F8 - 1;
1085: memcpy(keys[i].key_ch, K_CTRL_SH_F8, keys[i].key_len);
1086: i++;
1087: keys[i].key_len = sizeof K_CTRL_SH_F9 - 1;
1088: memcpy(keys[i].key_ch, K_CTRL_SH_F9, keys[i].key_len);
1089: i++;
1090: keys[i].key_len = sizeof K_CTRL_SH_F10 - 1;
1091: memcpy(keys[i].key_ch, K_CTRL_SH_F10, keys[i].key_len);
1092: i++;
1093: keys[i].key_len = sizeof K_CTRL_SH_F11 - 1;
1094: memcpy(keys[i].key_ch, K_CTRL_SH_F11, keys[i].key_len);
1095: i++;
1096: keys[i].key_len = sizeof K_CTRL_SH_F12 - 1;
1097: memcpy(keys[i].key_ch, K_CTRL_SH_F12, keys[i].key_len);
1098: i++;
1099: keys[i].key_len = sizeof K_CTRL_F1 - 1;
1100: memcpy(keys[i].key_ch, K_CTRL_F1, keys[i].key_len);
1101: i++;
1102: keys[i].key_len = sizeof K_CTRL_F2 - 1;
1103: memcpy(keys[i].key_ch, K_CTRL_F2, keys[i].key_len);
1104: i++;
1105: keys[i].key_len = sizeof K_CTRL_F3 - 1;
1106: memcpy(keys[i].key_ch, K_CTRL_F3, keys[i].key_len);
1107: i++;
1108: keys[i].key_len = sizeof K_CTRL_F4 - 1;
1109: memcpy(keys[i].key_ch, K_CTRL_F4, keys[i].key_len);
1110: i++;
1111: keys[i].key_len = sizeof K_CTRL_F5 - 1;
1112: memcpy(keys[i].key_ch, K_CTRL_F5, keys[i].key_len);
1113: i++;
1114: keys[i].key_len = sizeof K_CTRL_F6 - 1;
1115: memcpy(keys[i].key_ch, K_CTRL_F6, keys[i].key_len);
1116: i++;
1117: keys[i].key_len = sizeof K_CTRL_F7 - 1;
1118: memcpy(keys[i].key_ch, K_CTRL_F7, keys[i].key_len);
1119: i++;
1120: keys[i].key_len = sizeof K_CTRL_F8 - 1;
1121: memcpy(keys[i].key_ch, K_CTRL_F8, keys[i].key_len);
1122: i++;
1123: keys[i].key_len = sizeof K_CTRL_F9 - 1;
1124: memcpy(keys[i].key_ch, K_CTRL_F9, keys[i].key_len);
1125: i++;
1126: keys[i].key_len = sizeof K_CTRL_F10 - 1;
1127: memcpy(keys[i].key_ch, K_CTRL_F10, keys[i].key_len);
1128: i++;
1129: keys[i].key_len = sizeof K_CTRL_F11 - 1;
1130: memcpy(keys[i].key_ch, K_CTRL_F11, keys[i].key_len);
1131: i++;
1132: keys[i].key_len = sizeof K_CTRL_F12 - 1;
1133: memcpy(keys[i].key_ch, K_CTRL_F12, keys[i].key_len);
1134: i++;
1135: keys[i].key_len = sizeof K_HOME - 1;
1.8.2.1 misho 1136: if (cli_buffer->line_prompt)
1137: keys[i].key_func = bufBEGIN;
1.3 misho 1138: memcpy(keys[i].key_ch, K_HOME, keys[i].key_len);
1139: i++;
1140: keys[i].key_len = sizeof K_END - 1;
1.8.2.1 misho 1141: if (cli_buffer->line_prompt)
1142: keys[i].key_func = bufEND;
1.3 misho 1143: memcpy(keys[i].key_ch, K_END, keys[i].key_len);
1144: i++;
1145: keys[i].key_len = sizeof K_UP - 1;
1.8.2.1 misho 1146: if (cli_buffer->line_prompt)
1147: keys[i].key_func = bufUP;
1.3 misho 1148: memcpy(keys[i].key_ch, K_UP, keys[i].key_len);
1149: i++;
1150: keys[i].key_len = sizeof K_DOWN - 1;
1.8.2.1 misho 1151: if (cli_buffer->line_prompt)
1152: keys[i].key_func = bufDOWN;
1.3 misho 1153: memcpy(keys[i].key_ch, K_DOWN, keys[i].key_len);
1154: i++;
1155: keys[i].key_len = sizeof K_RIGHT - 1;
1.8.2.1 misho 1156: if (cli_buffer->line_prompt)
1157: keys[i].key_func = bufRIGHT;
1.3 misho 1158: memcpy(keys[i].key_ch, K_RIGHT, keys[i].key_len);
1159: i++;
1160: keys[i].key_len = sizeof K_LEFT - 1;
1.8.2.1 misho 1161: if (cli_buffer->line_prompt)
1162: keys[i].key_func = bufLEFT;
1.3 misho 1163: memcpy(keys[i].key_ch, K_LEFT, keys[i].key_len);
1164: i++;
1165: keys[i].key_len = sizeof K_BTAB - 1;
1.8.2.1 misho 1166: if (cli_buffer->line_prompt)
1167: keys[i].key_func = bufBTAB;
1.3 misho 1168: memcpy(keys[i].key_ch, K_BTAB, keys[i].key_len);
1169: i++;
1.6 misho 1170: /* 4 bytes */
1.3 misho 1171: keys[i].key_len = sizeof K_INS - 1;
1.8.2.1 misho 1172: if (cli_buffer->line_prompt)
1173: keys[i].key_func = bufMODE;
1.3 misho 1174: memcpy(keys[i].key_ch, K_INS, keys[i].key_len);
1175: i++;
1176: keys[i].key_len = sizeof K_DEL - 1;
1.8.2.1 misho 1177: if (cli_buffer->line_prompt)
1178: keys[i].key_func = bufDEL;
1.3 misho 1179: memcpy(keys[i].key_ch, K_DEL, keys[i].key_len);
1180: i++;
1181: keys[i].key_len = sizeof K_PGUP - 1;
1182: memcpy(keys[i].key_ch, K_PGUP, keys[i].key_len);
1183: i++;
1184: keys[i].key_len = sizeof K_PGDN - 1;
1185: memcpy(keys[i].key_ch, K_PGDN, keys[i].key_len);
1186: i++;
1.6 misho 1187: /* 5 bytes */
1.3 misho 1188: keys[i].key_len = sizeof K_F5 - 1;
1189: memcpy(keys[i].key_ch, K_F5, keys[i].key_len);
1190: i++;
1191: keys[i].key_len = sizeof K_F6 - 1;
1192: memcpy(keys[i].key_ch, K_F6, keys[i].key_len);
1193: i++;
1194: keys[i].key_len = sizeof K_F7 - 1;
1195: memcpy(keys[i].key_ch, K_F7, keys[i].key_len);
1196: i++;
1197: keys[i].key_len = sizeof K_F8 - 1;
1198: memcpy(keys[i].key_ch, K_F8, keys[i].key_len);
1199: i++;
1200: keys[i].key_len = sizeof K_F9 - 1;
1201: memcpy(keys[i].key_ch, K_F9, keys[i].key_len);
1202: i++;
1203: keys[i].key_len = sizeof K_F10 - 1;
1204: memcpy(keys[i].key_ch, K_F10, keys[i].key_len);
1205: i++;
1206: keys[i].key_len = sizeof K_F11 - 1;
1207: memcpy(keys[i].key_ch, K_F11, keys[i].key_len);
1208: i++;
1209: keys[i].key_len = sizeof K_F12 - 1;
1210: memcpy(keys[i].key_ch, K_F12, keys[i].key_len);
1211: i++;
1212:
1.7 misho 1213: cli_buffer->line_keys = keys;
1214: return cli_buffer;
1.2 misho 1215: }
1216:
1217: /*
1.6 misho 1218: * cliInitLine() - Init CLI input line terminal
1219: *
1.7 misho 1220: * @cli_buffer = CLI buffer
1.2 misho 1221: * return: none
1222: */
1.3 misho 1223: int
1.7 misho 1224: cliInitLine(linebuffer_t * __restrict cli_buffer)
1.2 misho 1225: {
1226: struct termios t;
1227:
1228: memset(&t, 0, sizeof t);
1.7 misho 1229: tcgetattr(cli_buffer->line_in, &t);
1.8.2.1 misho 1230: t.c_lflag &= ~(ICANON | ISIG | IEXTEN | ECHO |
1231: ECHOCTL | ECHOE | ECHOK | ECHOKE | ECHONL | ECHOPRT);
1.2 misho 1232: t.c_iflag |= IGNBRK;
1233: t.c_cc[VMIN] = 1;
1234: t.c_cc[VTIME] = 0;
1.7 misho 1235: return tcsetattr(cli_buffer->line_in, TCSANOW, &t);
1.3 misho 1236: }
1237:
1238: /*
1.6 misho 1239: * cliReadLine() - Read line from opened CLI session
1240: *
1.7 misho 1241: * @cli_buffer = CLI buffer
1.6 misho 1242: * return: NULL if error or !=NULL readed line, must be e_free after use!
1.3 misho 1243: */
1244: char *
1.7 misho 1245: cliReadLine(linebuffer_t * __restrict cli_buffer)
1.3 misho 1246: {
1247: int code, readLen;
1248: register int i;
1249: struct pollfd fds;
1250: char buf[BUFSIZ], *str = NULL;
1.2 misho 1251:
1.7 misho 1252: if (!cli_buffer) {
1.6 misho 1253: cli_SetErr(EINVAL, "Invalid input parameters ...");
1.3 misho 1254: return NULL;
1255: }
1.2 misho 1256:
1.3 misho 1257: memset(&fds, 0, sizeof fds);
1.7 misho 1258: fds.fd = cli_buffer->line_in;
1.3 misho 1259: fds.events = POLLIN;
1260:
1.7 misho 1261: printfCR(cli_buffer, 1);
1.3 misho 1262: while (42) {
1263: if (poll(&fds, 1, -1) < 1) {
1264: LOGERR;
1265: return str;
1266: }
1267:
1268: memset(buf, 0, sizeof buf);
1.7 misho 1269: readLen = read(cli_buffer->line_in, buf, BUFSIZ);
1.3 misho 1270: if (readLen == -1) {
1271: LOGERR;
1272: return str;
1273: }
1274: if (!readLen) {
1.7 misho 1275: if (cli_buffer->line_buf)
1276: str = e_strdup(cli_buffer->line_buf);
1.3 misho 1277: else
1.6 misho 1278: cli_SetErr(EPIPE, "Unknown state ...");
1.3 misho 1279: return str;
1280: }
1281:
1282: recheck:
1283: for (code = RETCODE_OK, i = MAX_BINDKEY - 1; i > -1; i--)
1.7 misho 1284: if (readLen >= cli_buffer->line_keys[i].key_len &&
1285: !memcmp(cli_buffer->line_keys[i].key_ch, buf,
1286: cli_buffer->line_keys[i].key_len)) {
1287: readLen -= cli_buffer->line_keys[i].key_len;
1.3 misho 1288: if (readLen)
1.7 misho 1289: memmove(buf, buf + cli_buffer->line_keys[i].key_len, readLen);
1.3 misho 1290: else
1.7 misho 1291: memset(buf, 0, cli_buffer->line_keys[i].key_len);
1.3 misho 1292:
1.7 misho 1293: if (cli_buffer->line_keys[i].key_func)
1294: if ((code = cli_buffer->line_keys[i].key_func(i, cli_buffer)))
1.3 misho 1295: readLen = 0;
1296:
1297: if (readLen)
1298: goto recheck;
1299: else
1300: break;
1301: }
1302:
1303: if (code)
1304: break;
1305: }
1.2 misho 1306:
1.7 misho 1307: if (code != RETCODE_ERR && code != RETCODE_EOF && cli_buffer->line_buf)
1308: str = e_strdup(cli_buffer->line_buf);
1.3 misho 1309: return str;
1.2 misho 1310: }
1311:
1.3 misho 1312:
1.2 misho 1313: /*
1.6 misho 1314: * cliNetLoop() - CLI network main loop binded to socket
1315: *
1.7 misho 1316: * @cli_buffer = CLI buffer
1.3 misho 1317: * @csHistFile = History file name
1.2 misho 1318: * @sock = client socket
1.3 misho 1319: * return: RETCODE_ERR error, RETCODE_OK ok
1.2 misho 1320: */
1.3 misho 1321: int
1.7 misho 1322: cliNetLoop(linebuffer_t * __restrict cli_buffer, const char *csHistFile, int sock)
1.2 misho 1323: {
1.3 misho 1324: u_char buf[BUFSIZ];
1325: int pid, stat, pty, r, s, alen, flg, attrlen = 0, ret = 0;
1.2 misho 1326: fd_set fds;
1327: struct timeval tv = { DEFAULT_SOCK_TIMEOUT, 0 };
1328: struct telnetAttrs *a, Attr[10];
1329:
1.3 misho 1330: switch ((pid = forkpty(&pty, NULL, NULL, NULL))) {
1.2 misho 1331: case -1:
1332: LOGERR;
1333: return -1;
1334: case 0:
1.7 misho 1335: if (!cli_buffer) {
1.6 misho 1336: cli_SetErr(EINVAL, "Invalid input parameters ...");
1.3 misho 1337: return -1;
1338: } else
1339: close(sock);
1.2 misho 1340:
1.7 misho 1341: ret = cliLoop(cli_buffer, csHistFile) < 0 ? 1 : 0;
1342: cliEnd(cli_buffer);
1.2 misho 1343:
1.8 misho 1344: _exit(ret);
1.2 misho 1345: default:
1.4 misho 1346: cli_telnet_SetCmd(Attr + 0, DO, TELOPT_TTYPE);
1347: cli_telnet_SetCmd(Attr + 1, WILL, TELOPT_ECHO);
1348: cli_telnet_Set_SubOpt(Attr + 2, TELOPT_LFLOW, LFLOW_OFF, NULL, 0);
1349: cli_telnet_Set_SubOpt(Attr + 3, TELOPT_LFLOW, LFLOW_RESTART_XON, NULL, 0);
1350: cli_telnet_SetCmd(Attr + 4, DO, TELOPT_LINEMODE);
1351: if ((ret = cli_telnetSend(sock, Attr, 5, NULL, 0, 0)) == -1)
1.2 misho 1352: return -1;
1.4 misho 1353: else
1.2 misho 1354: flg = 0;
1355:
1356: while (42) {
1.3 misho 1357: if (waitpid(pid, &stat, WNOHANG))
1358: break;
1359:
1.2 misho 1360: FD_ZERO(&fds);
1361: FD_SET(sock, &fds);
1362: FD_SET(pty, &fds);
1363: if ((ret = select(FD_SETSIZE, &fds, NULL, NULL, &tv)) < 1) {
1364: if (!ret)
1365: cli_SetErr(ETIMEDOUT, "Client session timeout ...");
1366:
1367: break;
1368: }
1369:
1370: r = FD_ISSET(sock, &fds) ? sock : pty;
1371: s = FD_ISSET(sock, &fds) ? pty : sock;
1372:
1.3 misho 1373: if (FD_ISSET(sock, &fds)) {
1374: memset(buf, 0, BUFSIZ);
1.4 misho 1375: if ((ret = cli_telnetRecv(sock, &a, &alen, buf, BUFSIZ)) < 0) {
1.3 misho 1376: if (a)
1.6 misho 1377: e_free(a);
1.3 misho 1378:
1379: if (-2 == ret)
1380: continue;
1381: // EOF
1382: if (-3 == ret)
1383: shutdown(sock, SHUT_RD);
1384: break;
1385: }
1386: attrlen = 0;
1387: if (1 == flg && alen) {
1.4 misho 1388: cli_telnet_SetCmd(&Attr[attrlen++], DONT, TELOPT_SGA);
1389: cli_telnet_SetCmd(&Attr[attrlen++], DO, TELOPT_ECHO);
1.3 misho 1390: }
1391: if (2 == flg && alen) {
1.4 misho 1392: cli_telnet_SetCmd(&Attr[attrlen++], WILL, TELOPT_ECHO);
1393: cli_telnet_Set_SubOpt(&Attr[attrlen++], TELOPT_LFLOW,
1.3 misho 1394: LFLOW_OFF, NULL, 0);
1.4 misho 1395: cli_telnet_Set_SubOpt(&Attr[attrlen++], TELOPT_LFLOW,
1.3 misho 1396: LFLOW_RESTART_XON, NULL, 0);
1.4 misho 1397: cli_telnet_SetCmd(&Attr[attrlen++], DONT, TELOPT_LINEMODE);
1.3 misho 1398: }
1.2 misho 1399: if (a)
1.6 misho 1400: e_free(a);
1.2 misho 1401:
1.3 misho 1402: if ((ret = write(pty, buf, ret)) == -1) {
1403: LOGERR;
1404: break;
1405: }
1406: }
1407:
1408: if (FD_ISSET(pty, &fds)) {
1409: memset(buf, 0, BUFSIZ);
1410: if ((ret = read(pty, buf, BUFSIZ)) == -1) {
1411: LOGERR;
1412: break;
1413: }
1414:
1.4 misho 1415: if ((ret = cli_telnetSend(sock, Attr, pty == s ? 0 : attrlen,
1416: buf, ret, 0)) == -1)
1.3 misho 1417: break;
1.4 misho 1418: else
1.3 misho 1419: flg++;
1.2 misho 1420: }
1421: }
1422:
1423: close(pty);
1424: }
1425:
1426: return ret;
1427: }
1428:
1429: /*
1.6 misho 1430: * cliLoop() - CLI main loop
1431: *
1.7 misho 1432: * @cli_buffer = CLI buffer
1.3 misho 1433: * @csHistFile = History file name
1434: * return: RETCODE_ERR error, RETCODE_OK ok
1.1 misho 1435: */
1.3 misho 1436: int
1.7 misho 1437: cliLoop(linebuffer_t * __restrict cli_buffer, const char *csHistFile)
1.1 misho 1438: {
1439: char *line, *s, *t, **app, *items[MAX_PROMPT_ITEMS];
1440: register int i;
1.3 misho 1441: int ret = RETCODE_OK;
1442: struct tagCommand *cmd;
1.1 misho 1443:
1444: /* --- main body of CLI --- */
1.7 misho 1445: cliInitLine(cli_buffer);
1.1 misho 1446:
1.7 misho 1447: if (cli_loadHistory(cli_buffer, csHistFile) == RETCODE_ERR)
1.3 misho 1448: return RETCODE_ERR;
1.1 misho 1449:
1450: do {
1.7 misho 1451: line = cliReadLine(cli_buffer);
1.3 misho 1452: if (!line) {
1.7 misho 1453: printfNL(cli_buffer, 0);
1.1 misho 1454: break;
1.3 misho 1455: } else
1.7 misho 1456: cli_addHistory(cli_buffer, NULL);
1.1 misho 1457: // clear whitespaces
1.4 misho 1458: for (s = line; isspace((int) *s); s++);
1.1 misho 1459: if (*s) {
1.4 misho 1460: for (t = s + strlen(s) - 1; t > s && isspace((int) *t); t--);
1.1 misho 1461: *++t = 0;
1462: }
1463:
1464: if (*s) {
1465: memset(items, 0, sizeof(char*) * MAX_PROMPT_ITEMS);
1.8.2.1 misho 1466: for (app = items; app < items + MAX_PROMPT_ITEMS - 1 &&
1467: (*app = strsep(&s, " \t")); *app ? app++ : app);
1.1 misho 1468:
1469: // exec_cmd ...
1.3 misho 1470: i = 0;
1.7 misho 1471: SLIST_FOREACH(cmd, &cli_buffer->line_cmds, cmd_next) {
1.3 misho 1472: if (*items[0] && !strncmp(cmd->cmd_name, items[0], strlen(items[0])))
1.1 misho 1473: break;
1.3 misho 1474: else
1475: i++;
1476: }
1477:
1.1 misho 1478: if (!cmd) {
1.7 misho 1479: cli_Printf(cli_buffer, "\nCommand '%s' not found!\n", items[0]);
1.1 misho 1480: ret = -1;
1481: } else
1.3 misho 1482: if (cmd->cmd_func) {
1.7 misho 1483: cli_Printf(cli_buffer, "\n");
1.8.2.4 ! misho 1484: ret = cmd->cmd_func(cli_buffer,
! 1485: cli_buffer->line_level, items);
1.3 misho 1486: } else {
1.7 misho 1487: clrscrEOL(cli_buffer);
1488: printfCR(cli_buffer, 1);
1.3 misho 1489: }
1.1 misho 1490: }
1491:
1.7 misho 1492: cli_freeLine(cli_buffer);
1493: cli_resetHistory(cli_buffer);
1.6 misho 1494: e_free(line);
1.1 misho 1495: } while (ret < 1);
1496:
1.7 misho 1497: cli_saveHistory(cli_buffer, csHistFile, HISTORY_LINES);
1.1 misho 1498: return ret;
1499: }
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