1: /*************************************************************************
2: * (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
3: * by Michael Pounov <misho@openbsd-bg.org>
4: *
5: * $Author: misho $
6: * $Id: aitcli.h,v 1.3.2.1 2011/03/16 17:43:07 misho Exp $
7: *
8: *************************************************************************/
9: #ifndef __AITCLI_H
10: #define __AITCLI_H
11:
12:
13: #include <termios.h>
14: #include <sys/queue.h>
15:
16:
17: #define STRSIZ 256
18:
19: /* Key definitions */
20:
21: #define K_F1 "\x1b\x4f\x50"
22: #define K_F2 "\x1b\x4f\x51"
23: #define K_F3 "\x1b\x4f\x52"
24: #define K_F4 "\x1b\x4f\x53"
25: #define K_F5 "\x1b\x5b\x31\x35\x7e"
26: #define K_F6 "\x1b\x5b\x31\x37\x7e"
27: #define K_F7 "\x1b\x5b\x31\x38\x7e"
28: #define K_F8 "\x1b\x5b\x31\x39\x7e"
29: #define K_F9 "\x1b\x5b\x32\x30\x7e"
30: #define K_F10 "\x1b\x5b\x32\x31\x7e"
31: #define K_F11 "\x1b\x5b\x32\x33\x7e"
32: #define K_F12 "\x1b\x5b\x32\x34\x7e"
33: #define K_CTRL_F1 "\x1b\x5b\x6b"
34: #define K_CTRL_F2 "\x1b\x5b\x6c"
35: #define K_CTRL_F3 "\x1b\x5b\x6d"
36: #define K_CTRL_F4 "\x1b\x5b\x6e"
37: #define K_CTRL_F5 "\x1b\x5b\x6f"
38: #define K_CTRL_F6 "\x1b\x5b\x70"
39: #define K_CTRL_F7 "\x1b\x5b\x71"
40: #define K_CTRL_F8 "\x1b\x5b\x72"
41: #define K_CTRL_F9 "\x1b\x5b\x73"
42: #define K_CTRL_F10 "\x1b\x5b\x74"
43: #define K_CTRL_F11 "\x1b\x5b\x75"
44: #define K_CTRL_F12 "\x1b\x5b\x76"
45: #define K_CTRL_SH_F1 "\x1b\x5b\x77"
46: #define K_CTRL_SH_F2 "\x1b\x5b\x78"
47: #define K_CTRL_SH_F3 "\x1b\x5b\x79"
48: #define K_CTRL_SH_F4 "\x1b\x5b\x7a"
49: #define K_CTRL_SH_F5 "\x1b\x5b\x40"
50: #define K_CTRL_SH_F6 "\x1b\x5b\x5b"
51: #define K_CTRL_SH_F7 "\x1b\x5b\x5c"
52: #define K_CTRL_SH_F8 "\x1b\x5b\x5d"
53: #define K_CTRL_SH_F9 "\x1b\x5b\x5e"
54: #define K_CTRL_SH_F10 "\x1b\x5b\x5f"
55: #define K_CTRL_SH_F11 "\x1b\x5b\x60"
56: #define K_CTRL_SH_F12 "\x1b\x5b\x7b"
57:
58: #define K_INS "\x1b\x5b\x32\x7e"
59: #define K_DEL "\x1b\x5b\x33\x7e"
60: #define K_PGUP "\x1b\x5b\x35\x7e"
61: #define K_PGDN "\x1b\x5b\x36\x7e"
62: #define K_HOME "\x1b\x5b\x48"
63: #define K_END "\x1b\x5b\x46"
64: #define K_UP "\x1b\x5b\x41"
65: #define K_DOWN "\x1b\x5b\x42"
66: #define K_RIGHT "\x1b\x5b\x43"
67: #define K_LEFT "\x1b\x5b\x44"
68:
69: #define K_NULL "\x0"
70: #define K_CR "\xd"
71: #define K_BTAB "\x1b\x5b\x5a"
72: #define K_TAB "\x9"
73: #define K_ENTER "\xa"
74: #define K_ESC "\x1b"
75: #define K_BACKSPACE "\x7f"
76: #define K_SPACE "\x20"
77:
78: #define K_CTRL_SPACE K_NULL
79: #define K_CTRL_2 K_NULL
80: #define K_CTRL_A "\x1"
81: #define K_CTRL_B "\x2"
82: #define K_CTRL_C "\x3"
83: #define K_CTRL_D "\x4"
84: #define K_CTRL_E "\x5"
85: #define K_CTRL_F "\x6"
86: #define K_CTRL_G "\x7"
87: #define K_CTRL_H "\x8"
88: #define K_CTRL_I K_TAB
89: #define K_CTRL_J K_ENTER
90: #define K_CTRL_K "\xb"
91: #define K_CTRL_L "\xc"
92: #define K_CTRL_M K_ENTER // K_CR
93: #define K_CTRL_N "\xe"
94: #define K_CTRL_O "\xf"
95: #define K_CTRL_P "\x10"
96: #define K_CTRL_Q "\x11"
97: #define K_CTRL_R "\x12"
98: #define K_CTRL_S "\x13"
99: #define K_CTRL_T "\x14"
100: #define K_CTRL_U "\x15"
101: #define K_CTRL_V "\x16"
102: #define K_CTRL_W "\x17"
103: #define K_CTRL_X "\x18"
104: #define K_CTRL_Y "\x19"
105: #define K_CTRL_Z "\x1a"
106: #define K_CTRL_LBRACE "\x1b"
107: #define K_CTRL_PIPE "\x1c"
108: #define K_CTRL_RBRACE "\x1d"
109: #define K_CTRL_6 "\x1e"
110: #define K_CTRL__ "\x1f"
111:
112:
113: #define K_X_CTRL_INS "\x1b\x5b\x32\x3b\x35\x7e"
114: #define K_X_CTRL_DEL "\x1b\x5b\x33\x3b\x35\x7e"
115: #define K_X_CTRL_PGUP "\x1b\x5b\x35\x3b\x35\x7e"
116: #define K_X_CTRL_PGDN "\x1b\x5b\x36\x3b\x35\x7e"
117: #define K_X_CTRL_HOME "\x1b\x5b\x31\x3b\x35\x48"
118: #define K_X_CTRL_END "\x1b\x5b\x31\x3b\x35\x46"
119: #define K_X_CTRL_UP "\x1b\x5b\x31\x3b\x35\x41"
120: #define K_X_CTRL_DOWN "\x1b\x5b\x31\x3b\x35\x42"
121: #define K_X_CTRL_RIGHT "\x1b\x5b\x31\x3b\x35\x43"
122: #define K_X_CTRL_LEFT "\x1b\x5b\x31\x3b\x35\x44"
123:
124: #define K_X_ALT_INS "\x1b\x5b\x32\x3b\x33\x7e"
125: #define K_X_ALT_DEL "\x1b\x5b\x33\x3b\x33\x7e"
126: #define K_X_ALT_PGUP "\x1b\x5b\x35\x3b\x33\x7e"
127: #define K_X_ALT_PGDN "\x1b\x5b\x36\x3b\x33\x7e"
128: #define K_X_ALT_HOME "\x1b\x5b\x31\x3b\x33\x48"
129: #define K_X_ALT_END "\x1b\x5b\x31\x3b\x33\x46"
130: #define K_X_ALT_UP "\x1b\x5b\x31\x3b\x33\x41"
131: #define K_X_ALT_DOWN "\x1b\x5b\x31\x3b\x33\x42"
132: #define K_X_ALT_RIGHT "\x1b\x5b\x31\x3b\x33\x43"
133: #define K_X_ALT_LEFT "\x1b\x5b\x31\x3b\x33\x44"
134:
135: #define K_X_CTL_A_INS "\x1b\x5b\x32\x3b\x37\x7e"
136: #define K_X_CTL_A_DEL "\x1b\x5b\x33\x3b\x37\x7e"
137: #define K_X_CTL_A_PGUP "\x1b\x5b\x35\x3b\x37\x7e"
138: #define K_X_CTL_A_PGDN "\x1b\x5b\x36\x3b\x37\x7e"
139: #define K_X_CTL_A_HOME "\x1b\x5b\x31\x3b\x37\x48"
140: #define K_X_CTL_A_END "\x1b\x5b\x31\x3b\x37\x46"
141: #define K_X_CTL_A_UP "\x1b\x5b\x31\x3b\x37\x41"
142: #define K_X_CTL_A_DOWN "\x1b\x5b\x31\x3b\x37\x42"
143: #define K_X_CTL_A_RIGHT "\x1b\x5b\x31\x3b\x37\x43"
144: #define K_X_CTL_A_LEFT "\x1b\x5b\x31\x3b\x37\x44"
145:
146:
147: /* History types */
148:
149: struct tagHistory {
150: int hist_len;
151: char hist_line[BUFSIZ];
152:
153: TAILQ_ENTRY(tagHistory) hist_next;
154: };
155: typedef TAILQ_HEAD(tqHistoryHead, tagHistory) history_t;
156:
157: /* Bind keys structure types */
158:
159: typedef int (*bindkey_func_t)(int idx, /*linebuffer_t **/ void * __restrict buffer);
160: typedef struct {
161: int key_len;
162: unsigned char key_ch[8];
163: bindkey_func_t key_func;
164: } bindkey_t;
165:
166:
167: /* Commands structure for CLI */
168:
169: typedef int (*cmd_func_t)(/*linebuffer_t **/ void * __restrict buffer, int idx, char ** __restrict args);
170: struct tagCommand {
171: int cmd_level;
172:
173: int cmd_len;
174: char cmd_name[STRSIZ];
175:
176: char cmd_info[STRSIZ];
177: char cmd_help[STRSIZ];
178:
179: cmd_func_t cmd_func;
180:
181: SLIST_ENTRY(tagCommand) cmd_next;
182: };
183: typedef SLIST_HEAD(slCommandHead, tagCommand) commands_t;
184:
185:
186: /* Main structure, Buffer for CLI work with thread models ;-) special designed by M.Punov */
187:
188: typedef struct {
189: char line_mode;
190:
191: char *line_prompt;
192:
193: int line_bol;
194: int line_eol;
195: int line_len;
196: char *line_buf;
197:
198: const struct tagHistory *line_h;
199: history_t line_history;
200:
201: bindkey_t *line_keys;
202:
203: int line_level;
204: commands_t line_cmds;
205:
206: int line_in;
207: int line_out;
208: } linebuffer_t;
209:
210:
211: /* Error support functions */
212:
213: // cli_GetErrno() Get error code of last operation
214: inline int cli_GetErrno();
215: // cli_GetError() Get error text of last operation
216: inline const char *cli_GetError();
217:
218:
219: /* TELNET support for CLI */
220:
221: #define MAX_SUB_LEN 255
222:
223: struct telnetAttrs {
224: unsigned char ta_cmd;
225: unsigned char ta_opt;
226: unsigned char ta_sublen;
227: unsigned char ta_sub[MAX_SUB_LEN];
228: };
229:
230:
231: #ifndef NDEBUG
232: /*
233: * cli_telnetDumpAttrs() Telnet debug attributes list, if NDEBUG defined not include
234: * @attr = attributes list
235: * @nAttr = attributes list size
236: * return: none
237: */
238: void cli_telnetDumpAttrs(struct telnetAttrs *attr, int nAttr);
239: #else
240: extern void cli_telnetDumpAttrs(struct telnetAttrs *, int);
241: #endif
242:
243:
244: /*
245: * cli_telnetRecv() Telnet receive commands, negotiate with telnet peer
246: * @sock = socket for communication
247: * @attr = received attributes list, must be free after use, but if NULL receive in binary mode
248: * @nAttr = received attributes list size, if is NULL receive in binary mode
249: * @pdata = received data in supplied buffer
250: * @datLen = buffer pdata size
251: * return: 0 not present data; -1 error:: can`t read; -2 timeout; -3 EOF; >0 number of received bytes
252: */
253: int cli_telnetRecv(int sock, struct telnetAttrs **attr, int *nAttr, void *data, int datLen);
254: /*
255: * cli_telnetSend() Telnet send commands, negotiate with telnet peer
256: * @sock = socket for communication
257: * @attr = send attributes list
258: * @nAttr = send attributes list size
259: * @data = data for send
260: * @datLen = data size
261: * @Term = Terminate with GA (Go Ahead), 1 send after data GA command
262: * return: 0 not sended commands; -1 error:: can`t send; >0 number of sended bytes
263: */
264: int cli_telnetSend(int sock, struct telnetAttrs *attr, int nAttr, void *data, int datLen, int Term);
265:
266: /*
267: * cli_telnet_Get_SubOpt() Telnet get sub option function
268: * @attr = input attribute
269: * @code = sub-option code for opt
270: * @data = sub-option data
271: * @datLen = data size set max size in input, output return copy size
272: * return: -1 can`t get option; !=-1 option code
273: */
274: inline int cli_telnet_Get_SubOpt(struct telnetAttrs *attr, unsigned char *code,
275: void *data, unsigned char *datLen);
276: /*
277: * cli_telnet_Set_SubOpt() Telnet set sub option function
278: * @attr = output attribute
279: * @opt = attribute option
280: * @code = sub-option code for opt, if 0xff not specified
281: * @data = sub-option data, if NULL not specified
282: * @datLen = data size, if 0 not specified
283: * return: -1 can`t set sub-otion; 0 ok
284: */
285: inline int cli_telnet_Set_SubOpt(struct telnetAttrs *attr, unsigned char opt, unsigned char code,
286: void *data, unsigned char datLen);
287:
288: /*
289: * cli_telnet_GetCmd() Telnet get command
290: * @attr = input attribute
291: * return: -1 can`t get command; !=-1 command <<24 return sublen, <<8 return option, <<0 command
292: */
293: inline unsigned int cli_telnet_GetCmd(struct telnetAttrs *attr);
294: /*
295: * cli_telnet_SetCmd() Telnet set command
296: * @attr = input attribute
297: * @cmd = command
298: * @opt = option, if 0xff not specified
299: * @arg1 = sub-option code, if 0xff not specified
300: * @arg2 = sub-option data, if NULL not specified
301: * @arg3 = sub-option data size, if 0 not specified data
302: * return: -1 can`t set command; !=-1 ok
303: */
304: inline int cli_telnet_SetCmd(struct telnetAttrs *attr, unsigned char cmd, unsigned char opt, ...);
305:
306: /*
307: * cli_telnet_Answer() Automatic generate commands answer to send from telnet
308: * @caps = Array of capability options
309: * @nCaps = number of capability options
310: * @attr = input attribute
311: * @nAttr = number of input attributes
312: * @ans = output answered attributes, must be free() after use
313: * @Ans = number of output answered attributes
314: * return: -1 can`t answer; !=-1 ok
315: */
316: int cli_telnet_Answer(unsigned char *caps, int nCaps, struct telnetAttrs *attr, int nAttr,
317: struct telnetAttrs **ans, int *Ans);
318:
319:
320: // Add capability option, x = 0 false, 1 true
321: #define ADD_CAPS(opt, x) ((opt) | (x) ? 0x80 : 0)
322: // Is supported this option ...
323: #define SUP_CAPS(caps) ((caps) & 0x80)
324: // get capability option
325: #define CAP(caps) ((caps) & 0x7f)
326:
327:
328: /* CLI Helper functions */
329:
330: /*
331: * cli_Cmd_Unsupported() Builtin helper function for unsupported commands
332: * @buffer = CLI buffer
333: * @idx = Selected command ID
334: * @args = Parsed arguments array
335: * return: RETCODE_OK ok
336: */
337: int cli_Cmd_Unsupported(void * __restrict buffer, int idx, char ** __restrict args);
338:
339:
340: /* CLI Functions */
341:
342: /*
343: * cli_BindKey() Bind function to key
344: * @key = key structure
345: * @buffer = CLI buffer
346: * return: RETCODE_ERR error, RETCODE_OK ok, >0 bind at position
347: */
348: int cli_BindKey(bindkey_t * __restrict key, linebuffer_t * __restrict buffer);
349:
350:
351: /*
352: * cli_addCommand() Add command to CLI session
353: * @buffer = CLI buffer
354: * @csCmd = Command name
355: * @cliLevel = Level in CLI, -1 unprivi(view from all), 0 main config, 1 sub config ...
356: * @funcCmd = Callback function when user call command
357: * @csInfo = Inline information for command
358: * @csHelp = Help line when call help
359: * return: RETCODE_ERR error, RETCODE_OK ok
360: */
361: int
362: cli_addCommand(linebuffer_t * __restrict buffer, const char *csCmd, int cliLevel, cmd_func_t funcCmd,
363: const char *csInfo, const char *csHelp);
364: /*
365: * cli_delCommand() Delete command from CLI session
366: * @buffer = CLI buffer
367: * @csCmd = Command name
368: * @cliLevel = Level in CLI, -1 unprivi(view from all), 0 main config, 1 sub config ...
369: * return: RETCODE_ERR error, RETCODE_OK ok
370: */
371: int
372: cli_delCommand(linebuffer_t * __restrict buffer, const char *csCmd, int cliLevel);
373: /*
374: * cli_updCommand() Update command in CLI session
375: * @buffer = CLI buffer
376: * @csCmd = Command name
377: * @cliLevel = Level in CLI, -1 unprivi(view from all), 0 main config, 1 sub config ...
378: * @funcCmd = Callback function when user call command
379: * @csInfo = Inline information for command
380: * @csHelp = Help line when call help
381: * return: RETCODE_ERR error, RETCODE_OK ok
382: */
383: int
384: cli_updCommand(linebuffer_t * __restrict buffer, const char *csCmd, int cliLevel, cmd_func_t funcCmd,
385: const char *csInfo, const char *csHelp);
386:
387:
388: /*
389: * cli_addHistory() Add line to history
390: * @buffer = CLI buffer
391: * @str = Add custom text or if NULL use readed line from CLI buffer
392: * return: RETCODE_ERR error, RETCODE_OK ok
393: */
394: int cli_addHistory(linebuffer_t * __restrict buffer, const char * __restrict str);
395: /*
396: * cli_saveHistory() Save history to file
397: * @buffer = CLI buffer
398: * @histfile = History filename, if NULL will be use default name
399: * @lines = Maximum history lines to save
400: * return: RETCODE_ERR error, RETCODE_OK ok
401: */
402: int cli_saveHistory(linebuffer_t * __restrict buffer, const char *histfile, int lines);
403: /*
404: * cli_loadHistory() Load history from file
405: * @buffer = CLI buffer
406: * @histfile = History filename, if NULL will be use default name
407: * return: RETCODE_ERR error, RETCODE_OK ok
408: */
409: int cli_loadHistory(linebuffer_t * __restrict buffer, const char *histfile);
410: /*
411: * cli_resetHistory() Reset history search in CLI session
412: * @buffer = CLI buffer
413: * return: none
414: */
415: inline void cli_resetHistory(linebuffer_t * __restrict buffer);
416:
417: /*
418: * cli_freeLine() Clear entire line
419: * @buffer = CLI buffer
420: * return: RETCODE_ERR error, RETCODE_OK ok
421: */
422: inline int cli_freeLine(linebuffer_t * __restrict buffer);
423: /*
424: * cli_setPrompt() Set new prompt for CLI session
425: * @buffer = CLI buffer
426: * @prompt = new text for prompt or if NULL disable prompt
427: * return: none
428: */
429: inline void cli_setPrompt(linebuffer_t * __restrict buffer, const char *prompt);
430: /*
431: * cli_Printf() Send message to CLI session
432: * @buffer = CLI buffer
433: * @fmt = printf format string
434: * @... = arguments defined in fmt
435: * return: none
436: */
437: inline void cli_Printf(linebuffer_t * __restrict buffer, char *fmt, ...);
438: /*
439: * cli_PrintHelp() Print help screen
440: * @buffer = CLI buffer
441: * return: none
442: */
443: inline void cli_PrintHelp(linebuffer_t * __restrict buffer);
444:
445: /*
446: * cliEnd() Clear data, Free resources and close CLI session
447: * @buffer = CLI buffer
448: * return: RETCODE_ERR error, RETCODE_OK ok
449: */
450: void cliEnd(linebuffer_t * __restrict buffer);
451: /*
452: * cliInit() Start CLI session, allocate memory for resources and bind keys
453: * @fin = Input device handle
454: * @fout = Output device handle
455: * @prompt = text for prompt, if NULL disable prompt
456: * return: NULL if error or !=NULL CLI buffer
457: */
458: linebuffer_t *cliInit(int fin, int fout, const char *prompt);
459:
460: /*
461: * cliInitLine() Init CLI input line terminal
462: * @buffer = CLI buffer
463: * return: none
464: */
465: int cliInitLine(linebuffer_t * __restrict buffer);
466: /*
467: * cliReadLine() Read line from opened CLI session
468: * @buffer = CLI buffer
469: * return: NULL if error or !=NULL readed line, must be free after use!
470: */
471: char *cliReadLine(linebuffer_t * __restrict buffer);
472:
473: /*
474: * cliLoop() CLI main loop
475: * @buffer = CLI buffer
476: * @csHistFile = History file name
477: * return: RETCODE_ERR error, RETCODE_OK ok
478: */
479: int cliLoop(linebuffer_t * __restrict buffer, const char *csHistFile);
480: /*
481: * cliNetLoop() CLI network main loop binded to socket
482: * @buffer = CLI buffer
483: * @csHistFile = History file name
484: * @sock = client socket
485: * @term = stdin termios
486: * @win = window size of tty
487: * return: RETCODE_ERR error, RETCODE_OK ok
488: */
489: int cliNetLoop(linebuffer_t * __restrict buffer, const char *csHistFile, int sock);
490:
491:
492: #endif
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