lttng-ctl: Expose sessiond cmd_clear_session command
[lttng-tools.git] / src / common / uri.c
CommitLineData
3a5713da
DG
1/*
2 * Copyright (C) 2012 - David Goulet <dgoulet@efficios.com>
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License, version 2 only, as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
11 * more details.
12 *
13 * You should have received a copy of the GNU General Public License along with
14 * this program; if not, write to the Free Software Foundation, Inc., 51
15 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
16 */
17
6c1c0768 18#define _LGPL_SOURCE
13083fa6 19#include <assert.h>
3a5713da 20#include <arpa/inet.h>
507af6fc 21#include <common/compat/netdb.h>
3a5713da
DG
22#include <stdlib.h>
23#include <string.h>
24#include <sys/socket.h>
25
26#include <common/common.h>
27#include <common/defaults.h>
a4b92340 28#include <common/utils.h>
3a5713da
DG
29
30#include "uri.h"
31
1b7c93cb
JG
32#define LOOPBACK_ADDR_IPV4 "127.0.0.1"
33#define LOOPBACK_ADDR_IPV6 "::1"
34
3a5713da
DG
35enum uri_proto_code {
36 P_NET, P_NET6, P_FILE, P_TCP, P_TCP6,
37};
38
39struct uri_proto {
a4b92340
DG
40 const char *name;
41 const char *leading_string;
3a5713da
DG
42 enum uri_proto_code code;
43 enum lttng_proto_type type;
44 enum lttng_dst_type dtype;
45};
46
47/* Supported protocols */
48static const struct uri_proto proto_uri[] = {
a4b92340
DG
49 { .name = "file", .leading_string = "file://", .code = P_FILE, .type = 0, .dtype = LTTNG_DST_PATH },
50 { .name = "net", .leading_string = "net://", .code = P_NET, .type = LTTNG_TCP, .dtype = LTTNG_DST_IPV4 },
60782118 51 { .name = "net4", .leading_string = "net4://", .code = P_NET, .type = LTTNG_TCP, .dtype = LTTNG_DST_IPV4 },
a4b92340
DG
52 { .name = "net6", .leading_string = "net6://", .code = P_NET6, .type = LTTNG_TCP, .dtype = LTTNG_DST_IPV6 },
53 { .name = "tcp", .leading_string = "tcp://", .code = P_TCP, .type = LTTNG_TCP, .dtype = LTTNG_DST_IPV4 },
60782118 54 { .name = "tcp4", .leading_string = "tcp4://", .code = P_TCP, .type = LTTNG_TCP, .dtype = LTTNG_DST_IPV4 },
a4b92340
DG
55 { .name = "tcp6", .leading_string = "tcp6://", .code = P_TCP6, .type = LTTNG_TCP, .dtype = LTTNG_DST_IPV6 },
56 /* Invalid proto marking the end of the array. */
57 { NULL, NULL, 0, 0, 0 }
3a5713da
DG
58};
59
a4b92340
DG
60/*
61 * Return pointer to the character in s matching one of the characters in
62 * accept. If nothing is found, return pointer to the end of string (eos).
63 */
7aa6679a 64static inline const char *strpbrk_or_eos(const char *s, const char *accept)
a4b92340
DG
65{
66 char *p = strpbrk(s, accept);
67 if (p == NULL) {
68 p = strchr(s, '\0');
69 }
70
71 return p;
72}
73
3a5713da
DG
74/*
75 * Validate if proto is a supported protocol from proto_uri array.
76 */
a4b92340 77static const struct uri_proto *get_uri_proto(const char *uri_str)
3a5713da 78{
a4b92340 79 const struct uri_proto *supported = NULL;
3a5713da
DG
80
81 /* Safety net */
a4b92340 82 if (uri_str == NULL) {
3a5713da
DG
83 goto end;
84 }
85
86 for (supported = &proto_uri[0];
a4b92340
DG
87 supported->leading_string != NULL; ++supported) {
88 if (strncasecmp(uri_str, supported->leading_string,
89 strlen(supported->leading_string)) == 0) {
3a5713da
DG
90 goto end;
91 }
92 }
93
94 /* Proto not found */
95 return NULL;
96
97end:
98 return supported;
99}
100
00e2e675
DG
101/*
102 * Set network address from string into dst. Supports both IP string and
103 * hostname.
104 */
105static int set_ip_address(const char *addr, int af, char *dst, size_t size)
106{
107 int ret;
108 unsigned char buf[sizeof(struct in6_addr)];
109 struct hostent *record;
110
13083fa6
DG
111 assert(addr);
112 assert(dst);
113
114 memset(dst, 0, size);
115
00e2e675
DG
116 /* Network protocol */
117 ret = inet_pton(af, addr, buf);
118 if (ret < 1) {
119 /* We consider the dst to be an hostname or an invalid IP char */
507af6fc 120 record = lttng_gethostbyname2(addr, af);
1b7c93cb
JG
121 if (record) {
122 /* Translate IP to string */
123 if (!inet_ntop(af, record->h_addr_list[0], dst, size)) {
124 PERROR("inet_ntop");
125 goto error;
126 }
127 } else if (!strcmp(addr, "localhost") &&
128 (af == AF_INET || af == AF_INET6)) {
129 /*
130 * Some systems may not have "localhost" defined in
131 * accordance with IETF RFC 6761. According to this RFC,
132 * applications may recognize "localhost" names as
133 * special and resolve to the appropriate loopback
134 * address.
135 *
136 * We choose to use the system name resolution API first
137 * to honor its network configuration. If this fails, we
138 * resolve to the appropriate loopback address. This is
139 * done to accomodate systems which may want to start
140 * tracing before their network configured.
141 */
142 const char *loopback_addr = af == AF_INET ?
143 LOOPBACK_ADDR_IPV4 : LOOPBACK_ADDR_IPV6;
144 const size_t loopback_addr_len = af == AF_INET ?
145 sizeof(LOOPBACK_ADDR_IPV4) :
146 sizeof(LOOPBACK_ADDR_IPV6);
147
148 DBG2("Could not resolve localhost address, using fallback");
149 if (loopback_addr_len > size) {
150 ERR("Could not resolve localhost address; destination string is too short");
151 goto error;
152 }
153 strcpy(dst, loopback_addr);
154 } else {
00e2e675 155 /* At this point, the IP or the hostname is bad */
00e2e675
DG
156 goto error;
157 }
00e2e675 158 } else {
13083fa6
DG
159 if (size > 0) {
160 strncpy(dst, addr, size);
161 dst[size - 1] = '\0';
162 }
00e2e675
DG
163 }
164
a4b92340 165 DBG2("IP address resolved to %s", dst);
00e2e675
DG
166 return 0;
167
168error:
1b7c93cb 169 ERR("URI parse bad hostname %s for af %d", addr, af);
00e2e675
DG
170 return -1;
171}
172
bc894455
DG
173/*
174 * Set default URI attribute which is basically the given stream type and the
175 * default port if none is set in the URI.
176 */
177static void set_default_uri_attr(struct lttng_uri *uri,
178 enum lttng_stream_type stype)
179{
180 uri->stype = stype;
181 if (uri->dtype != LTTNG_DST_PATH && uri->port == 0) {
182 uri->port = (stype == LTTNG_STREAM_CONTROL) ?
183 DEFAULT_NETWORK_CONTROL_PORT : DEFAULT_NETWORK_DATA_PORT;
184 }
185}
186
187/*
188 * Compare two URL destination.
189 *
190 * Return 0 is equal else is not equal.
191 */
192static int compare_destination(struct lttng_uri *ctrl, struct lttng_uri *data)
193{
194 int ret;
195
196 assert(ctrl);
197 assert(data);
198
199 switch (ctrl->dtype) {
200 case LTTNG_DST_IPV4:
201 ret = strncmp(ctrl->dst.ipv4, data->dst.ipv4, sizeof(ctrl->dst.ipv4));
202 break;
203 case LTTNG_DST_IPV6:
204 ret = strncmp(ctrl->dst.ipv6, data->dst.ipv6, sizeof(ctrl->dst.ipv6));
205 break;
206 default:
207 ret = -1;
208 break;
209 }
210
211 return ret;
212}
213
ad20f474
DG
214/*
215 * Build a string URL from a lttng_uri object.
216 */
90e535ef 217LTTNG_HIDDEN
ad20f474
DG
218int uri_to_str_url(struct lttng_uri *uri, char *dst, size_t size)
219{
220 int ipver, ret;
221 const char *addr;
07b86b52 222 char proto[5], port[7];
ad20f474
DG
223
224 assert(uri);
225 assert(dst);
226
227 if (uri->dtype == LTTNG_DST_PATH) {
228 ipver = 0;
229 addr = uri->dst.path;
28fcbaeb
JD
230 (void) snprintf(proto, sizeof(proto), "file");
231 (void) snprintf(port, sizeof(port), "%s", "");
ad20f474
DG
232 } else {
233 ipver = (uri->dtype == LTTNG_DST_IPV4) ? 4 : 6;
234 addr = (ipver == 4) ? uri->dst.ipv4 : uri->dst.ipv6;
b664f89a 235 (void) snprintf(proto, sizeof(proto), "tcp%d", ipver);
28fcbaeb 236 (void) snprintf(port, sizeof(port), ":%d", uri->port);
ad20f474
DG
237 }
238
239 ret = snprintf(dst, size, "%s://%s%s%s%s/%s", proto,
240 (ipver == 6) ? "[" : "", addr, (ipver == 6) ? "]" : "",
241 port, uri->subdir);
242 if (ret < 0) {
243 PERROR("snprintf uri to url");
244 }
245
246 return ret;
247}
248
3a5713da
DG
249/*
250 * Compare two URIs.
251 *
252 * Return 0 if equal else 1.
253 */
90e535ef 254LTTNG_HIDDEN
3a5713da
DG
255int uri_compare(struct lttng_uri *uri1, struct lttng_uri *uri2)
256{
257 return memcmp(uri1, uri2, sizeof(struct lttng_uri));
258}
259
260/*
261 * Free URI memory.
262 */
90e535ef 263LTTNG_HIDDEN
3a5713da
DG
264void uri_free(struct lttng_uri *uri)
265{
0e428499 266 free(uri);
3a5713da
DG
267}
268
00e2e675
DG
269/*
270 * Parses a string URI to a lttng_uri. This function can potentially return
271 * more than one URI in uris so the size of the array is returned and uris is
272 * allocated and populated. Caller must free(3) the array.
273 *
274 * This function can not detect the stream type of the URI so the caller has to
275 * make sure the correct type (stype) is set on the return URI(s). The default
276 * port must also be set by the caller if the returned URI has its port set to
277 * zero.
a4b92340
DG
278 *
279 * NOTE: A good part of the following code was inspired from the "wget" source
280 * tree from the src/url.c file and url_parse() function. Also, the
281 * strpbrk_or_eos() function found above is also inspired by the same code.
282 * This code was originally licensed GPLv2 so we acknolwedge the Free Software
283 * Foundation here for the work and to make sure we are compliant with it.
00e2e675 284 */
90e535ef 285LTTNG_HIDDEN
3a5713da
DG
286ssize_t uri_parse(const char *str_uri, struct lttng_uri **uris)
287{
a4b92340 288 int ret, i = 0;
3a5713da
DG
289 /* Size of the uris array. Default is 1 */
290 ssize_t size = 1;
a4b92340 291 char subdir[PATH_MAX];
b35d8a57
DG
292 unsigned int ctrl_port = 0;
293 unsigned int data_port = 0;
a4b92340
DG
294 struct lttng_uri *tmp_uris;
295 char *addr_f = NULL;
3a5713da 296 const struct uri_proto *proto;
a4b92340
DG
297 const char *purl, *addr_e, *addr_b, *subdir_b = NULL;
298 const char *seps = ":/\0";
3a5713da
DG
299
300 /*
301 * The first part is the protocol portion of a maximum of 5 bytes for now.
b35d8a57
DG
302 * The second part is the hostname or IP address. The 255 bytes size is the
303 * limit found in the RFC 1035 for the total length of a domain name
304 * (https://www.ietf.org/rfc/rfc1035.txt). Finally, for the net://
305 * protocol, two ports CAN be specified.
3a5713da
DG
306 */
307
00e2e675 308 DBG3("URI string: %s", str_uri);
3a5713da 309
a4b92340 310 proto = get_uri_proto(str_uri);
3a5713da 311 if (proto == NULL) {
a4b92340 312 ERR("URI parse unknown protocol %s", str_uri);
3a5713da
DG
313 goto error;
314 }
315
a4b92340
DG
316 purl = str_uri;
317
3a5713da 318 if (proto->code == P_NET || proto->code == P_NET6) {
a4b92340 319 /* Special case for net:// which requires two URI objects */
3a5713da
DG
320 size = 2;
321 }
322
a4b92340
DG
323 /* Allocate URI array */
324 tmp_uris = zmalloc(sizeof(struct lttng_uri) * size);
325 if (tmp_uris == NULL) {
326 PERROR("zmalloc uri");
327 goto error;
328 }
329
00e2e675 330 memset(subdir, 0, sizeof(subdir));
a4b92340
DG
331 purl += strlen(proto->leading_string);
332
333 /* Copy known value to the first URI. */
334 tmp_uris[0].dtype = proto->dtype;
335 tmp_uris[0].proto = proto->type;
336
337 if (proto->code == P_FILE) {
338 if (*purl != '/') {
339 ERR("Missing destination full path.");
340 goto free_error;
00e2e675 341 }
a4b92340
DG
342
343 strncpy(tmp_uris[0].dst.path, purl, sizeof(tmp_uris[0].dst.path));
344 tmp_uris[0].dst.path[sizeof(tmp_uris[0].dst.path) - 1] = '\0';
345 DBG3("URI file destination: %s", purl);
346 goto end;
3a5713da
DG
347 }
348
a4b92340
DG
349 /* Assume we are at the beginning of an address or host of some sort. */
350 addr_b = purl;
3a5713da 351
a4b92340
DG
352 /*
353 * Handle IPv6 address inside square brackets as mention by RFC 2732. IPv6
354 * address that does not start AND end with brackets will be rejected even
355 * if valid.
356 *
357 * proto://[<addr>]...
358 * ^
359 */
360 if (*purl == '[') {
361 /* Address begins after '[' */
362 addr_b = purl + 1;
363 addr_e = strchr(addr_b, ']');
364 if (addr_e == NULL || addr_b == addr_e) {
365 ERR("Broken IPv6 address %s", addr_b);
366 goto free_error;
367 }
368
369 /* Moving parsed URL pointer after the final bracket ']' */
370 purl = addr_e + 1;
371
372 /*
373 * The closing bracket must be followed by a seperator or NULL char.
374 */
375 if (strchr(seps, *purl) == NULL) {
376 ERR("Unknown symbol after IPv6 address: %s", purl);
377 goto free_error;
378 }
379 } else {
380 purl = strpbrk_or_eos(purl, seps);
381 addr_e = purl;
382 }
383
384 /* Check if we at least have a char for the addr or hostname. */
385 if (addr_b == addr_e) {
386 ERR("No address or hostname detected.");
387 goto free_error;
388 }
389
390 addr_f = utils_strdupdelim(addr_b, addr_e);
391 if (addr_f == NULL) {
392 goto free_error;
3a5713da
DG
393 }
394
a4b92340
DG
395 /*
396 * Detect PORT after address. The net/net6 protocol allows up to two port
397 * so we can define the control and data port.
398 */
399 while (*purl == ':') {
a4b92340
DG
400 const char *port_b, *port_e;
401 char *port_f;
402
403 /* Update pass counter */
404 i++;
405
406 /*
407 * Maximum of two ports is possible if P_NET/NET6. Bigger than that,
408 * two much stuff.
409 */
410 if ((i == 2 && (proto->code != P_NET && proto->code != P_NET6))
411 || i > 2) {
412 break;
413 }
414
415 /*
416 * Move parsed URL to port value.
417 * proto://addr_host:PORT1:PORT2/foo/bar
418 * ^
419 */
420 ++purl;
421 port_b = purl;
422 purl = strpbrk_or_eos(purl, seps);
423 port_e = purl;
424
425 if (port_b != port_e) {
c617c0c6
MD
426 int port;
427
a4b92340
DG
428 port_f = utils_strdupdelim(port_b, port_e);
429 if (port_f == NULL) {
430 goto free_error;
431 }
432
433 port = atoi(port_f);
434 if (port > 0xffff || port <= 0x0) {
435 ERR("Invalid port number %d", port);
436 free(port_f);
437 goto free_error;
438 }
439 free(port_f);
440
441 if (i == 1) {
442 ctrl_port = port;
443 } else {
444 data_port = port;
445 }
446 }
447 };
448
449 /* Check for a valid subdir or trailing garbage */
450 if (*purl == '/') {
451 /*
452 * Move to subdir value.
453 * proto://addr_host:PORT1:PORT2/foo/bar
454 * ^
455 */
456 ++purl;
457 subdir_b = purl;
458 } else if (*purl != '\0') {
459 ERR("Trailing characters not recognized: %s", purl);
460 goto free_error;
461 }
462
463 /* We have enough valid information to create URI(s) object */
464
3a5713da 465 /* Copy generic information */
a4b92340 466 tmp_uris[0].port = ctrl_port;
3a5713da 467
a4b92340
DG
468 /* Copy subdirectory if one. */
469 if (subdir_b) {
470 strncpy(tmp_uris[0].subdir, subdir_b, sizeof(tmp_uris[0].subdir));
471 tmp_uris[0].subdir[sizeof(tmp_uris[0].subdir) - 1] = '\0';
472 }
3a5713da
DG
473
474 switch (proto->code) {
3a5713da 475 case P_NET:
a4b92340
DG
476 ret = set_ip_address(addr_f, AF_INET, tmp_uris[0].dst.ipv4,
477 sizeof(tmp_uris[0].dst.ipv4));
3a5713da
DG
478 if (ret < 0) {
479 goto free_error;
480 }
481
a4b92340 482 memcpy(tmp_uris[1].dst.ipv4, tmp_uris[0].dst.ipv4, sizeof(tmp_uris[1].dst.ipv4));
3a5713da 483
a4b92340
DG
484 tmp_uris[1].dtype = proto->dtype;
485 tmp_uris[1].proto = proto->type;
486 tmp_uris[1].port = data_port;
3a5713da
DG
487 break;
488 case P_NET6:
a4b92340
DG
489 ret = set_ip_address(addr_f, AF_INET6, tmp_uris[0].dst.ipv6,
490 sizeof(tmp_uris[0].dst.ipv6));
3a5713da
DG
491 if (ret < 0) {
492 goto free_error;
493 }
494
a4b92340 495 memcpy(tmp_uris[1].dst.ipv6, tmp_uris[0].dst.ipv6, sizeof(tmp_uris[1].dst.ipv6));
3a5713da 496
a4b92340
DG
497 tmp_uris[1].dtype = proto->dtype;
498 tmp_uris[1].proto = proto->type;
499 tmp_uris[1].port = data_port;
3a5713da
DG
500 break;
501 case P_TCP:
a4b92340
DG
502 ret = set_ip_address(addr_f, AF_INET, tmp_uris[0].dst.ipv4,
503 sizeof(tmp_uris[0].dst.ipv4));
3a5713da
DG
504 if (ret < 0) {
505 goto free_error;
506 }
507 break;
508 case P_TCP6:
a4b92340
DG
509 ret = set_ip_address(addr_f, AF_INET6, tmp_uris[0].dst.ipv6,
510 sizeof(tmp_uris[0].dst.ipv6));
3a5713da
DG
511 if (ret < 0) {
512 goto free_error;
513 }
514 break;
515 default:
516 goto free_error;
517 }
518
a4b92340
DG
519end:
520 DBG3("URI dtype: %d, proto: %d, host: %s, subdir: %s, ctrl: %d, data: %d",
521 proto->dtype, proto->type, (addr_f == NULL) ? "" : addr_f,
522 (subdir_b == NULL) ? "" : subdir_b, ctrl_port, data_port);
523
524 free(addr_f);
3a5713da 525
a4b92340 526 *uris = tmp_uris;
3a5713da
DG
527 return size;
528
529free_error:
a4b92340
DG
530 free(addr_f);
531 free(tmp_uris);
3a5713da
DG
532error:
533 return -1;
534}
bc894455
DG
535
536/*
537 * Parse a string URL and creates URI(s) returning the size of the populated
538 * array.
539 */
540LTTNG_HIDDEN
541ssize_t uri_parse_str_urls(const char *ctrl_url, const char *data_url,
542 struct lttng_uri **uris)
543{
544 unsigned int equal = 1, idx = 0;
545 /* Add the "file://" size to the URL maximum size */
546 char url[PATH_MAX + 7];
547 ssize_t size_ctrl = 0, size_data = 0, size;
548 struct lttng_uri *ctrl_uris = NULL, *data_uris = NULL;
549 struct lttng_uri *tmp_uris = NULL;
550
551 /* No URL(s) is allowed. This means that the consumer will be disabled. */
552 if (ctrl_url == NULL && data_url == NULL) {
553 return 0;
554 }
555
556 /* Check if URLs are equal and if so, only use the control URL */
557 if ((ctrl_url && *ctrl_url != '\0') && (data_url && *data_url != '\0')) {
558 equal = !strcmp(ctrl_url, data_url);
559 }
560
561 /*
562 * Since we allow the str_url to be a full local filesystem path, we are
563 * going to create a valid file:// URL if it's the case.
564 *
565 * Check if first character is a '/' or else reject the URL.
566 */
567 if (ctrl_url && ctrl_url[0] == '/') {
568 int ret;
569
570 ret = snprintf(url, sizeof(url), "file://%s", ctrl_url);
571 if (ret < 0) {
572 PERROR("snprintf file url");
573 goto parse_error;
16aa84a9
JR
574 } else if (ret >= sizeof(url)) {
575 PERROR("snprintf file url is too long");
576 goto parse_error;
577
bc894455
DG
578 }
579 ctrl_url = url;
580 }
581
582 /* Parse the control URL if there is one */
583 if (ctrl_url && *ctrl_url != '\0') {
584 size_ctrl = uri_parse(ctrl_url, &ctrl_uris);
585 if (size_ctrl < 1) {
586 ERR("Unable to parse the URL %s", ctrl_url);
587 goto parse_error;
588 }
589
590 /* At this point, we know there is at least one URI in the array */
591 set_default_uri_attr(&ctrl_uris[0], LTTNG_STREAM_CONTROL);
592
593 if (ctrl_uris[0].dtype == LTTNG_DST_PATH &&
594 (data_url && *data_url != '\0')) {
84d66cbd 595 ERR("Cannot have a data URL when destination is file://");
bc894455
DG
596 goto error;
597 }
598
599 /* URL are not equal but the control URL uses a net:// protocol */
600 if (size_ctrl == 2) {
601 if (!equal) {
602 ERR("Control URL uses the net:// protocol and the data URL is "
603 "different. Not allowed.");
604 goto error;
605 } else {
606 set_default_uri_attr(&ctrl_uris[1], LTTNG_STREAM_DATA);
607 /*
608 * The data_url and ctrl_url are equal and the ctrl_url
609 * contains a net:// protocol so we just skip the data part.
610 */
611 data_url = NULL;
612 }
613 }
614 }
615
616 if (data_url && *data_url != '\0') {
617 int ret;
618
619 /* We have to parse the data URL in this case */
620 size_data = uri_parse(data_url, &data_uris);
621 if (size_data < 1) {
622 ERR("Unable to parse the URL %s", data_url);
623 goto error;
624 } else if (size_data == 2) {
625 ERR("Data URL can not be set with the net[4|6]:// protocol");
626 goto error;
627 }
628
629 set_default_uri_attr(&data_uris[0], LTTNG_STREAM_DATA);
630
70bc2efd
JG
631 if (ctrl_uris) {
632 ret = compare_destination(&ctrl_uris[0], &data_uris[0]);
633 if (ret != 0) {
634 ERR("Control and data destination mismatch");
635 goto error;
636 }
bc894455
DG
637 }
638 }
639
640 /* Compute total size */
641 size = size_ctrl + size_data;
642
643 tmp_uris = zmalloc(sizeof(struct lttng_uri) * size);
644 if (tmp_uris == NULL) {
645 PERROR("zmalloc uris");
646 goto error;
647 }
648
649 if (ctrl_uris) {
650 /* It's possible the control URIs array contains more than one URI */
651 memcpy(tmp_uris, ctrl_uris, sizeof(struct lttng_uri) * size_ctrl);
652 ++idx;
653 free(ctrl_uris);
654 }
655
656 if (data_uris) {
657 memcpy(&tmp_uris[idx], data_uris, sizeof(struct lttng_uri));
658 free(data_uris);
659 }
660
661 *uris = tmp_uris;
662
663 return size;
664
665error:
666 free(ctrl_uris);
667 free(data_uris);
668 free(tmp_uris);
669parse_error:
670 return -1;
671}
This page took 0.091985 seconds and 4 git commands to generate.