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Commit | Line | Data |
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4b292b55 VB |
1 | /* -*- mode: c; c-file-style: "openbsd" -*- */ |
2 | /* | |
3 | * Copyright (c) 2008 Vincent Bernat <bernat@luffy.cx> | |
4 | * | |
5 | * Permission to use, copy, modify, and/or distribute this software for any | |
6 | * purpose with or without fee is hereby granted, provided that the above | |
7 | * copyright notice and this permission notice appear in all copies. | |
8 | * | |
9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
16 | */ | |
17 | ||
23e7fa38 | 18 | |
4b292b55 VB |
19 | #include <stdio.h> |
20 | #include <stdlib.h> | |
21 | #include <unistd.h> | |
22 | #include <time.h> | |
23 | #include <errno.h> | |
4e5f34c5 | 24 | #include <string.h> |
4b292b55 | 25 | #include <sys/types.h> |
6402fd2c | 26 | #include <sys/stat.h> |
4b292b55 VB |
27 | #include <sys/socket.h> |
28 | #include <sys/un.h> | |
29 | #include <arpa/inet.h> | |
fe80711e | 30 | #include <libgen.h> |
6402fd2c | 31 | #include <dirent.h> |
003620d3 | 32 | #include <signal.h> |
6402fd2c | 33 | #include <sys/queue.h> |
4b292b55 | 34 | |
4b292b55 VB |
35 | #include "client.h" |
36 | ||
4b292b55 VB |
37 | #ifdef HAVE___PROGNAME |
38 | extern const char *__progname; | |
39 | #else | |
fe80711e | 40 | # define __progname "lldpcli" |
4b292b55 VB |
41 | #endif |
42 | ||
9a775667 VB |
43 | /* Global for completion */ |
44 | static struct cmd_node *root = NULL; | |
fe8f9650 | 45 | const char *ctlname = NULL; |
4b292b55 | 46 | |
6402fd2c VB |
47 | static int |
48 | is_lldpctl(const char *name) | |
49 | { | |
50 | static int last_result = -1; | |
51 | if (last_result == -1 && name) { | |
52 | char *basec = strdup(name); | |
53 | if (!basec) return 0; | |
54 | char *bname = basename(basec); | |
55 | last_result = (!strcmp(bname, "lldpctl")); | |
56 | free(basec); | |
57 | } | |
58 | return (last_result == -1)?0:last_result; | |
59 | } | |
60 | ||
4b292b55 | 61 | static void |
9a775667 | 62 | usage() |
4b292b55 | 63 | { |
9a775667 | 64 | fprintf(stderr, "Usage: %s [OPTIONS ...] [COMMAND ...]\n", __progname); |
4b292b55 VB |
65 | fprintf(stderr, "Version: %s\n", PACKAGE_STRING); |
66 | ||
67 | fprintf(stderr, "\n"); | |
68 | ||
69 | fprintf(stderr, "-d Enable more debugging information.\n"); | |
baaa96d1 | 70 | fprintf(stderr, "-u socket Specify the Unix-domain socket used for communication with lldpd(8).\n"); |
4b292b55 | 71 | fprintf(stderr, "-f format Choose output format (plain, keyvalue or xml).\n"); |
6402fd2c | 72 | if (!is_lldpctl(NULL)) |
baaa96d1 | 73 | fprintf(stderr, "-c conf Read the provided configuration file.\n"); |
4b292b55 VB |
74 | |
75 | fprintf(stderr, "\n"); | |
76 | ||
fe80711e | 77 | fprintf(stderr, "see manual page lldpcli(8) for more information\n"); |
4b292b55 VB |
78 | exit(1); |
79 | } | |
80 | ||
9a775667 VB |
81 | static int |
82 | is_privileged() | |
83 | { | |
fe8f9650 VB |
84 | /* Check we can access the control socket with read/write |
85 | * privileges. The `access()` function uses the real UID and real GID, | |
86 | * therefore we don't have to mangle with our identity. */ | |
87 | return (ctlname && access(ctlname, R_OK|W_OK) == 0); | |
9a775667 VB |
88 | } |
89 | ||
90 | static char* | |
23e7fa38 | 91 | prompt() |
9a775667 | 92 | { |
23e7fa38 | 93 | #define CESC "\033" |
9a775667 | 94 | int privileged = is_privileged(); |
23e7fa38 VB |
95 | if (isatty(STDIN_FILENO)) { |
96 | if (privileged) | |
97 | return "[lldpcli] # "; | |
98 | return "[lldpcli] $ "; | |
99 | } | |
100 | return ""; | |
9a775667 VB |
101 | } |
102 | ||
103 | static int must_exit = 0; | |
104 | /** | |
105 | * Exit the interpreter. | |
106 | */ | |
107 | static int | |
108 | cmd_exit(struct lldpctl_conn_t *conn, struct writer *w, | |
109 | struct cmd_env *env, void *arg) | |
4e90a9e0 | 110 | { |
fe80711e | 111 | log_info("lldpctl", "quit lldpcli"); |
9a775667 VB |
112 | must_exit = 1; |
113 | return 1; | |
114 | } | |
115 | ||
116 | /** | |
117 | * Send an "update" request. | |
118 | */ | |
119 | static int | |
120 | cmd_update(struct lldpctl_conn_t *conn, struct writer *w, | |
121 | struct cmd_env *env, void *arg) | |
122 | { | |
123 | log_info("lldpctl", "ask for global update"); | |
124 | ||
125 | lldpctl_atom_t *config = lldpctl_get_configuration(conn); | |
126 | if (config == NULL) { | |
127 | log_warnx("lldpctl", "unable to get configuration from lldpd. %s", | |
128 | lldpctl_last_strerror(conn)); | |
129 | return 0; | |
4e90a9e0 | 130 | } |
9a775667 VB |
131 | if (lldpctl_atom_set_int(config, |
132 | lldpctl_k_config_tx_interval, -1) == NULL) { | |
133 | log_warnx("lldpctl", "unable to ask lldpd for immediate retransmission. %s", | |
134 | lldpctl_last_strerror(conn)); | |
135 | lldpctl_atom_dec_ref(config); | |
136 | return 0; | |
4e90a9e0 | 137 | } |
9a775667 VB |
138 | log_info("lldpctl", "immediate retransmission requested successfuly"); |
139 | lldpctl_atom_dec_ref(config); | |
140 | return 1; | |
141 | } | |
142 | ||
e4ff3ed5 VB |
143 | /** |
144 | * Pause or resume execution of lldpd. | |
145 | * | |
146 | * @param conn The connection to lldpd. | |
147 | * @param pause 1 if we want to pause lldpd, 0 otherwise | |
148 | * @return 1 on success, 0 on error | |
149 | */ | |
150 | static int | |
151 | cmd_pause_resume(lldpctl_conn_t *conn, int pause) | |
152 | { | |
153 | lldpctl_atom_t *config = lldpctl_get_configuration(conn); | |
154 | if (config == NULL) { | |
155 | log_warnx("lldpctl", "unable to get configuration from lldpd. %s", | |
156 | lldpctl_last_strerror(conn)); | |
157 | return 0; | |
158 | } | |
159 | if (lldpctl_atom_get_int(config, lldpctl_k_config_paused) == pause) { | |
4f670a1e | 160 | log_debug("lldpctl", "lldpd is already %s", |
e4ff3ed5 VB |
161 | pause?"paused":"resumed"); |
162 | lldpctl_atom_dec_ref(config); | |
4f670a1e | 163 | return 1; |
e4ff3ed5 VB |
164 | } |
165 | if (lldpctl_atom_set_int(config, | |
166 | lldpctl_k_config_paused, pause) == NULL) { | |
167 | log_warnx("lldpctl", "unable to ask lldpd to %s operations. %s", | |
168 | pause?"pause":"resume", | |
169 | lldpctl_last_strerror(conn)); | |
170 | lldpctl_atom_dec_ref(config); | |
171 | return 0; | |
172 | } | |
173 | log_info("lldpctl", "lldpd should %s operations", | |
174 | pause?"pause":"resume"); | |
175 | lldpctl_atom_dec_ref(config); | |
176 | return 1; | |
177 | } | |
178 | static int | |
179 | cmd_pause(struct lldpctl_conn_t *conn, struct writer *w, | |
180 | struct cmd_env *env, void *arg) { | |
181 | (void)w; (void)env; | |
182 | return cmd_pause_resume(conn, 1); | |
183 | } | |
184 | static int | |
185 | cmd_resume(struct lldpctl_conn_t *conn, struct writer *w, | |
186 | struct cmd_env *env, void *arg) { | |
187 | (void)w; (void)env; | |
188 | return cmd_pause_resume(conn, 0); | |
189 | } | |
190 | ||
191 | ||
35f6f4fb | 192 | #ifdef HAVE_LIBREADLINE |
23e7fa38 VB |
193 | static int |
194 | _cmd_complete(int all) | |
9a775667 | 195 | { |
23e7fa38 VB |
196 | char **argv = NULL; |
197 | int argc = 0; | |
198 | int rc = 1; | |
608b5669 VB |
199 | size_t len = strlen(rl_line_buffer); |
200 | char *line = malloc(len + 2); | |
23e7fa38 | 201 | if (!line) return -1; |
608b5669 | 202 | strlcpy(line, rl_line_buffer, len + 2); |
23e7fa38 VB |
203 | line[rl_point] = 2; /* empty character, will force a word */ |
204 | line[rl_point+1] = 0; | |
205 | ||
206 | if (tokenize_line(line, &argc, &argv) != 0) | |
9a775667 VB |
207 | goto end; |
208 | ||
23e7fa38 | 209 | char *compl = commands_complete(root, argc, (const char **)argv, all); |
07f2c567 VB |
210 | if (compl && strlen(argv[argc-1]) < strlen(compl)) { |
211 | if (rl_insert_text(compl + strlen(argv[argc-1])) < 0) { | |
9a775667 VB |
212 | free(compl); |
213 | goto end; | |
214 | } | |
215 | free(compl); | |
23e7fa38 | 216 | rc = 0; |
9a775667 VB |
217 | goto end; |
218 | } | |
23e7fa38 | 219 | /* No completion or several completion available. */ |
af35cabd | 220 | free(compl); |
35f6f4fb VB |
221 | fprintf(stderr, "\n"); |
222 | rl_forced_update_display(); | |
23e7fa38 | 223 | rc = 0; |
9a775667 | 224 | end: |
23e7fa38 VB |
225 | free(line); |
226 | tokenize_free(argc, argv); | |
9a775667 VB |
227 | return rc; |
228 | } | |
229 | ||
23e7fa38 VB |
230 | static int |
231 | cmd_complete(int count, int ch) | |
9a775667 | 232 | { |
23e7fa38 | 233 | return _cmd_complete(0); |
9a775667 VB |
234 | } |
235 | ||
23e7fa38 VB |
236 | static int |
237 | cmd_help(int count, int ch) | |
9a775667 | 238 | { |
23e7fa38 | 239 | return _cmd_complete(1); |
9a775667 | 240 | } |
35f6f4fb VB |
241 | #else |
242 | static char* | |
02987888 | 243 | readline(const char *p) |
35f6f4fb VB |
244 | { |
245 | static char line[2048]; | |
02987888 | 246 | fprintf(stderr, "%s", p); |
35f6f4fb VB |
247 | fflush(stderr); |
248 | if (fgets(line, sizeof(line) - 2, stdin) == NULL) | |
249 | return NULL; | |
250 | return line; | |
251 | } | |
252 | #endif | |
9a775667 | 253 | |
6402fd2c VB |
254 | /** |
255 | * Execute a tokenized command and display its output. | |
256 | * | |
257 | * @param conn The connection to lldpd. | |
258 | * @param fmt Output format. | |
259 | * @param argc Number of arguments. | |
260 | * @param argv Array of arguments. | |
261 | * @return 0 if an error occurred, 1 otherwise | |
262 | */ | |
263 | static int | |
264 | cmd_exec(lldpctl_conn_t *conn, const char *fmt, int argc, const char **argv) | |
265 | { | |
266 | /* Init output formatter */ | |
267 | struct writer *w; | |
268 | ||
269 | if (strcmp(fmt, "plain") == 0) w = txt_init(stdout); | |
270 | else if (strcmp(fmt, "keyvalue") == 0) w = kv_init(stdout); | |
271 | #ifdef USE_XML | |
272 | else if (strcmp(fmt, "xml") == 0) w = xml_init(stdout); | |
273 | #endif | |
274 | #ifdef USE_JSON | |
275 | else if (strcmp(fmt, "json") == 0) w = json_init(stdout); | |
276 | #endif | |
277 | else w = txt_init(stdout); | |
278 | ||
279 | /* Execute command */ | |
280 | int rc = commands_execute(conn, w, | |
281 | root, argc, argv); | |
282 | if (rc != 0) { | |
283 | log_info("lldpctl", "an error occurred while executing last command"); | |
284 | w->finish(w); | |
285 | return 0; | |
286 | } | |
287 | w->finish(w); | |
288 | return 1; | |
289 | } | |
290 | ||
291 | /** | |
292 | * Execute a command line and display its output. | |
293 | * | |
294 | * @param conn The connection to lldpd. | |
295 | * @param fmt Output format. | |
296 | * @param line Line to execute. | |
297 | * @return -1 if an error occurred, 0 if nothing was executed. 1 otherwise. | |
298 | */ | |
299 | static int | |
300 | parse_and_exec(lldpctl_conn_t *conn, const char *fmt, const char *line) | |
301 | { | |
302 | int cargc = 0; char **cargv = NULL; | |
303 | int n; | |
304 | log_debug("lldpctl", "tokenize command line"); | |
305 | n = tokenize_line(line, &cargc, &cargv); | |
306 | switch (n) { | |
307 | case -1: | |
308 | log_warnx("lldpctl", "internal error while tokenizing"); | |
309 | return -1; | |
310 | case 1: | |
311 | log_warnx("lldpctl", "unmatched quotes"); | |
312 | return -1; | |
313 | } | |
ddd75166 VB |
314 | if (cargc != 0) |
315 | n = cmd_exec(conn, fmt, cargc, (const char **)cargv); | |
6402fd2c | 316 | tokenize_free(cargc, cargv); |
ddd75166 VB |
317 | return (cargc == 0)?0: |
318 | (n == 0)?-1: | |
319 | 1; | |
6402fd2c VB |
320 | } |
321 | ||
9a775667 VB |
322 | static struct cmd_node* |
323 | register_commands() | |
324 | { | |
325 | root = commands_root(); | |
326 | register_commands_show(root); | |
327 | register_commands_watch(root); | |
328 | if (is_privileged()) { | |
329 | commands_new( | |
330 | commands_new(root, "update", "Update information and send LLDPU on all ports", | |
331 | NULL, NULL, NULL), | |
332 | NEWLINE, "Update information and send LLDPU on all ports", | |
333 | NULL, cmd_update, NULL); | |
334 | register_commands_configure(root); | |
335 | } | |
25272118 VB |
336 | commands_new(root, "help", "Get help on a possible command", |
337 | NULL, cmd_store_env_and_pop, "help"); | |
e4ff3ed5 VB |
338 | commands_new( |
339 | commands_new(root, "pause", "Pause lldpd operations", NULL, NULL, NULL), | |
340 | NEWLINE, "Pause lldpd operations", NULL, cmd_pause, NULL); | |
341 | commands_new( | |
342 | commands_new(root, "resume", "Resume lldpd operations", NULL, NULL, NULL), | |
343 | NEWLINE, "Resume lldpd operations", NULL, cmd_resume, NULL); | |
9a775667 VB |
344 | commands_new( |
345 | commands_new(root, "exit", "Exit interpreter", NULL, NULL, NULL), | |
346 | NEWLINE, "Exit interpreter", NULL, cmd_exit, NULL); | |
347 | return root; | |
4e90a9e0 VB |
348 | } |
349 | ||
6402fd2c VB |
350 | struct input { |
351 | TAILQ_ENTRY(input) next; | |
352 | char *name; | |
353 | }; | |
354 | TAILQ_HEAD(inputs, input); | |
fe80711e | 355 | static int |
6402fd2c | 356 | filter(const struct dirent *dir) |
fe80711e | 357 | { |
6402fd2c VB |
358 | if (strlen(dir->d_name) < 5) return 0; |
359 | if (strcmp(dir->d_name + strlen(dir->d_name) - 5, ".conf")) return 0; | |
360 | return 1; | |
361 | } | |
362 | ||
363 | /** | |
364 | * Append a new input file/directory to the list of inputs. | |
365 | * | |
366 | * @param arg Directory or file name to add. | |
367 | * @param inputs List of inputs | |
368 | * @param acceptdir 1 if we accept a directory, 0 otherwise | |
369 | */ | |
370 | static void | |
371 | input_append(const char *arg, struct inputs *inputs, int acceptdir) | |
372 | { | |
373 | struct stat statbuf; | |
374 | if (stat(arg, &statbuf) == -1) { | |
375 | log_info("lldpctl", "cannot find configuration file/directory %s", | |
376 | arg); | |
377 | return; | |
fe80711e | 378 | } |
6402fd2c VB |
379 | |
380 | if (!S_ISDIR(statbuf.st_mode)) { | |
381 | struct input *input = malloc(sizeof(struct input)); | |
382 | if (!input) { | |
383 | log_warn("lldpctl", "not enough memory to process %s", | |
384 | arg); | |
385 | return; | |
386 | } | |
387 | log_debug("lldpctl", "input: %s", arg); | |
388 | input->name = strdup(arg); | |
389 | TAILQ_INSERT_TAIL(inputs, input, next); | |
390 | return; | |
391 | } | |
392 | if (!acceptdir) { | |
393 | log_debug("lldpctl", "skip directory %s", | |
394 | arg); | |
395 | return; | |
396 | } | |
397 | ||
398 | struct dirent **namelist = NULL; | |
399 | int n = scandir(arg, &namelist, filter, alphasort); | |
400 | if (n < 0) { | |
401 | log_warnx("lldpctl", "unable to read directory %s", | |
402 | arg); | |
403 | return; | |
404 | } | |
405 | for (int i=0; i < n; i++) { | |
406 | char *fullname; | |
407 | if (asprintf(&fullname, "%s/%s", arg, namelist[i]->d_name) != -1) { | |
408 | input_append(fullname, inputs, 0); | |
409 | free(fullname); | |
410 | } | |
411 | free(namelist[i]); | |
412 | } | |
413 | free(namelist); | |
fe80711e VB |
414 | } |
415 | ||
4b292b55 VB |
416 | int |
417 | main(int argc, char *argv[]) | |
418 | { | |
9a775667 | 419 | int ch, debug = 1, rc = EXIT_FAILURE; |
6402fd2c | 420 | const char *fmt = "plain"; |
048355f3 | 421 | lldpctl_conn_t *conn = NULL; |
f7242beb | 422 | const char *options = is_lldpctl(argv[0])?"hdvf:":"hdsvf:c:u:"; |
9a775667 | 423 | |
6402fd2c VB |
424 | int gotinputs = 0; |
425 | struct inputs inputs; | |
426 | TAILQ_INIT(&inputs); | |
427 | ||
fe8f9650 VB |
428 | ctlname = lldpctl_get_default_transport(); |
429 | ||
003620d3 ST |
430 | signal(SIGHUP, SIG_IGN); |
431 | ||
6402fd2c VB |
432 | /* Initialize logging */ |
433 | while ((ch = getopt(argc, argv, options)) != -1) { | |
434 | switch (ch) { | |
435 | case 'd': debug++; break; | |
51534ef3 | 436 | case 's': debug--; break; |
6402fd2c VB |
437 | } |
438 | } | |
439 | log_init(debug, __progname); | |
4b292b55 VB |
440 | |
441 | /* Get and parse command line options */ | |
6402fd2c VB |
442 | optind = 1; |
443 | while ((ch = getopt(argc, argv, options)) != -1) { | |
4b292b55 | 444 | switch (ch) { |
6402fd2c | 445 | case 'd': break; |
51534ef3 | 446 | case 's': break; |
4b292b55 VB |
447 | case 'h': |
448 | usage(); | |
449 | break; | |
0262adbb ZM |
450 | case 'u': |
451 | ctlname = optarg; | |
452 | break; | |
4b292b55 VB |
453 | case 'v': |
454 | fprintf(stdout, "%s\n", PACKAGE_VERSION); | |
455 | exit(0); | |
456 | break; | |
4b292b55 VB |
457 | case 'f': |
458 | fmt = optarg; | |
459 | break; | |
6402fd2c VB |
460 | case 'c': |
461 | gotinputs = 1; | |
462 | input_append(optarg, &inputs, 1); | |
463 | break; | |
4b292b55 VB |
464 | default: |
465 | usage(); | |
466 | } | |
467 | } | |
468 | ||
9a775667 VB |
469 | /* Register commands */ |
470 | root = register_commands(); | |
471 | ||
6402fd2c VB |
472 | /* Make a connection */ |
473 | log_debug("lldpctl", "connect to lldpd"); | |
0262adbb | 474 | conn = lldpctl_new_name(ctlname, NULL, NULL, NULL); |
6402fd2c VB |
475 | if (conn == NULL) goto end; |
476 | ||
477 | /* Process file inputs */ | |
478 | while (gotinputs && !TAILQ_EMPTY(&inputs)) { | |
87dfd175 VB |
479 | /* coverity[use_after_free] |
480 | TAILQ_REMOVE does the right thing */ | |
6402fd2c VB |
481 | struct input *first = TAILQ_FIRST(&inputs); |
482 | log_debug("lldpctl", "process: %s", first->name); | |
483 | FILE *file = fopen(first->name, "r"); | |
484 | if (file) { | |
485 | size_t len; | |
486 | char *line; | |
487 | while ((line = fgetln(file, &len))) { | |
5920dbf7 | 488 | line = strndup(line, len); |
6402fd2c VB |
489 | if (line[len - 1] == '\n') { |
490 | line[len - 1] = '\0'; | |
491 | parse_and_exec(conn, fmt, line); | |
492 | } | |
5920dbf7 | 493 | free(line); |
6402fd2c VB |
494 | } |
495 | fclose(file); | |
496 | } else { | |
497 | log_warn("lldpctl", "unable to open %s", | |
498 | first->name); | |
499 | } | |
500 | TAILQ_REMOVE(&inputs, first, next); | |
501 | free(first->name); | |
502 | free(first); | |
503 | } | |
504 | ||
505 | /* Process additional arguments. First if we are lldpctl (interfaces) */ | |
506 | if (is_lldpctl(NULL)) { | |
507 | char *line = NULL; | |
fe80711e | 508 | for (int i = optind; i < argc; i++) { |
6402fd2c VB |
509 | char *prev = line; |
510 | if (asprintf(&line, "%s%s%s", | |
511 | prev?prev:"show neigh ports ", argv[i], | |
512 | (i == argc - 1)?" details":",") == -1) { | |
fe80711e | 513 | log_warnx("lldpctl", "not enough memory to build list of interfaces"); |
6402fd2c | 514 | free(prev); |
fe80711e VB |
515 | goto end; |
516 | } | |
517 | free(prev); | |
518 | } | |
6402fd2c VB |
519 | if (line == NULL && (line = strdup("show neigh details")) == NULL) { |
520 | log_warnx("lldpctl", "not enough memory to build command line"); | |
521 | goto end; | |
522 | } | |
523 | log_debug("lldpctl", "execute %s", line); | |
524 | if (parse_and_exec(conn, fmt, line) != -1) | |
525 | rc = EXIT_SUCCESS; | |
526 | free(line); | |
527 | goto end; | |
4e90a9e0 VB |
528 | } |
529 | ||
6402fd2c VB |
530 | /* Then, if we are regular lldpcli (command line) */ |
531 | if (optind < argc) { | |
532 | const char **cargv; | |
533 | int cargc; | |
534 | cargv = &((const char **)argv)[optind]; | |
535 | cargc = argc - optind; | |
536 | if (cmd_exec(conn, fmt, cargc, cargv) != -1) | |
537 | rc = EXIT_SUCCESS; | |
538 | goto end; | |
539 | } | |
9a775667 | 540 | |
cdcf7dc5 VB |
541 | if (gotinputs) { |
542 | rc = EXIT_SUCCESS; | |
543 | goto end; | |
544 | } | |
9a775667 | 545 | |
6402fd2c VB |
546 | /* Interactive session */ |
547 | #ifdef HAVE_LIBREADLINE | |
548 | rl_bind_key('?', cmd_help); | |
549 | rl_bind_key('\t', cmd_complete); | |
8b7150e4 | 550 | #endif |
6402fd2c VB |
551 | const char *line; |
552 | do { | |
553 | if ((line = readline(prompt()))) { | |
554 | int n = parse_and_exec(conn, fmt, line); | |
555 | (void)n; | |
556 | #ifdef HAVE_READLINE_HISTORY | |
557 | if (n != 0) add_history(line); | |
4e90a9e0 | 558 | #endif |
fe80711e | 559 | } |
4a22e2c1 | 560 | } while (!must_exit && line != NULL); |
9a775667 | 561 | rc = EXIT_SUCCESS; |
6402fd2c | 562 | |
9a775667 | 563 | end: |
6402fd2c | 564 | while (!TAILQ_EMPTY(&inputs)) { |
87dfd175 VB |
565 | /* coverity[use_after_free] |
566 | TAILQ_REMOVE does the right thing */ | |
6402fd2c VB |
567 | struct input *first = TAILQ_FIRST(&inputs); |
568 | TAILQ_REMOVE(&inputs, first, next); | |
569 | free(first->name); | |
570 | free(first); | |
571 | } | |
9a775667 | 572 | if (conn) lldpctl_release(conn); |
9a775667 VB |
573 | if (root) commands_free(root); |
574 | return rc; | |
4b292b55 | 575 | } |