| 1 | /* |
| 2 | * Babeltrace common functions |
| 3 | * |
| 4 | * Copyright 2016 Philippe Proulx <pproulx@efficios.com> |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to deal |
| 8 | * in the Software without restriction, including without limitation the rights |
| 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 10 | * copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | |
| 25 | #include <unistd.h> |
| 26 | #include <string.h> |
| 27 | #include <sys/types.h> |
| 28 | #include <pwd.h> |
| 29 | #include <unistd.h> |
| 30 | #include <assert.h> |
| 31 | #include <ctype.h> |
| 32 | #include <glib.h> |
| 33 | #include <babeltrace/babeltrace-internal.h> |
| 34 | #include <babeltrace/common-internal.h> |
| 35 | |
| 36 | #define SYSTEM_PLUGIN_PATH INSTALL_LIBDIR "/babeltrace/plugins" |
| 37 | #define HOME_ENV_VAR "HOME" |
| 38 | #define HOME_PLUGIN_SUBPATH "/.local/lib/babeltrace/plugins" |
| 39 | |
| 40 | BT_HIDDEN |
| 41 | const char *bt_common_get_system_plugin_path(void) |
| 42 | { |
| 43 | return SYSTEM_PLUGIN_PATH; |
| 44 | } |
| 45 | |
| 46 | BT_HIDDEN |
| 47 | bool bt_common_is_setuid_setgid(void) |
| 48 | { |
| 49 | return (geteuid() != getuid() || getegid() != getgid()); |
| 50 | } |
| 51 | |
| 52 | static char *bt_secure_getenv(const char *name) |
| 53 | { |
| 54 | if (bt_common_is_setuid_setgid()) { |
| 55 | printf_error("Disregarding %s environment variable for setuid/setgid binary", |
| 56 | name); |
| 57 | return NULL; |
| 58 | } |
| 59 | return getenv(name); |
| 60 | } |
| 61 | |
| 62 | static const char *get_home_dir(void) |
| 63 | { |
| 64 | char *val = NULL; |
| 65 | struct passwd *pwd; |
| 66 | |
| 67 | val = bt_secure_getenv(HOME_ENV_VAR); |
| 68 | if (val) { |
| 69 | goto end; |
| 70 | } |
| 71 | /* Fallback on password file. */ |
| 72 | pwd = getpwuid(getuid()); |
| 73 | if (!pwd) { |
| 74 | goto end; |
| 75 | } |
| 76 | val = pwd->pw_dir; |
| 77 | end: |
| 78 | return val; |
| 79 | } |
| 80 | |
| 81 | BT_HIDDEN |
| 82 | char *bt_common_get_home_plugin_path(void) |
| 83 | { |
| 84 | char *path = NULL; |
| 85 | const char *home_dir; |
| 86 | |
| 87 | home_dir = get_home_dir(); |
| 88 | if (!home_dir) { |
| 89 | goto end; |
| 90 | } |
| 91 | |
| 92 | if (strlen(home_dir) + strlen(HOME_PLUGIN_SUBPATH) + 1 >= PATH_MAX) { |
| 93 | printf_error("Home directory path is too long: `%s`\n", |
| 94 | home_dir); |
| 95 | goto end; |
| 96 | } |
| 97 | |
| 98 | path = malloc(PATH_MAX); |
| 99 | if (!path) { |
| 100 | goto end; |
| 101 | } |
| 102 | |
| 103 | strcpy(path, home_dir); |
| 104 | strcat(path, HOME_PLUGIN_SUBPATH); |
| 105 | |
| 106 | end: |
| 107 | return path; |
| 108 | } |
| 109 | |
| 110 | BT_HIDDEN |
| 111 | int bt_common_append_plugin_path_dirs(const char *paths, GPtrArray *dirs) |
| 112 | { |
| 113 | int ret = 0; |
| 114 | const char *at; |
| 115 | const char *end; |
| 116 | size_t init_dirs_len; |
| 117 | |
| 118 | assert(dirs); |
| 119 | init_dirs_len = dirs->len; |
| 120 | |
| 121 | if (!paths) { |
| 122 | /* Nothing to append */ |
| 123 | goto end; |
| 124 | } |
| 125 | |
| 126 | at = paths; |
| 127 | end = paths + strlen(paths); |
| 128 | |
| 129 | while (at < end) { |
| 130 | GString *path; |
| 131 | const char *next_colon; |
| 132 | |
| 133 | next_colon = strchr(at, ':'); |
| 134 | if (next_colon == at) { |
| 135 | /* |
| 136 | * Empty path: try next character (supported |
| 137 | * to conform to the typical parsing of $PATH). |
| 138 | */ |
| 139 | at++; |
| 140 | continue; |
| 141 | } else if (!next_colon) { |
| 142 | /* No more colon: use the remaining */ |
| 143 | next_colon = paths + strlen(paths); |
| 144 | } |
| 145 | |
| 146 | path = g_string_new(NULL); |
| 147 | if (!path) { |
| 148 | goto error; |
| 149 | } |
| 150 | |
| 151 | g_string_append_len(path, at, next_colon - at); |
| 152 | at = next_colon + 1; |
| 153 | g_ptr_array_add(dirs, path); |
| 154 | } |
| 155 | |
| 156 | goto end; |
| 157 | |
| 158 | error: |
| 159 | ret = -1; |
| 160 | |
| 161 | /* Remove the new entries in dirs */ |
| 162 | while (dirs->len > init_dirs_len) { |
| 163 | g_ptr_array_remove_index(dirs, init_dirs_len); |
| 164 | } |
| 165 | |
| 166 | end: |
| 167 | return ret; |
| 168 | } |
| 169 | |
| 170 | BT_HIDDEN |
| 171 | bool bt_common_colors_supported(void) |
| 172 | { |
| 173 | static bool supports_colors = false; |
| 174 | static bool supports_colors_set = false; |
| 175 | const char *term; |
| 176 | |
| 177 | if (supports_colors_set) { |
| 178 | goto end; |
| 179 | } |
| 180 | |
| 181 | supports_colors_set = true; |
| 182 | |
| 183 | term = getenv("TERM"); |
| 184 | if (!term) { |
| 185 | goto end; |
| 186 | } |
| 187 | |
| 188 | if (strncmp(term, "xterm", 5) != 0 && |
| 189 | strncmp(term, "rxvt", 4) != 0 && |
| 190 | strncmp(term, "konsole", 7) != 0 && |
| 191 | strncmp(term, "gnome", 5) != 0 && |
| 192 | strncmp(term, "screen", 5) != 0 && |
| 193 | strncmp(term, "tmux", 4) != 0 && |
| 194 | strncmp(term, "putty", 5) != 0) { |
| 195 | goto end; |
| 196 | } |
| 197 | |
| 198 | if (!isatty(1)) { |
| 199 | goto end; |
| 200 | } |
| 201 | |
| 202 | supports_colors = true; |
| 203 | |
| 204 | end: |
| 205 | return supports_colors; |
| 206 | } |
| 207 | |
| 208 | BT_HIDDEN |
| 209 | const char *bt_common_color_reset(void) |
| 210 | { |
| 211 | return bt_common_colors_supported() ? BT_COMMON_COLOR_RESET : ""; |
| 212 | } |
| 213 | |
| 214 | BT_HIDDEN |
| 215 | const char *bt_common_color_bold(void) |
| 216 | { |
| 217 | return bt_common_colors_supported() ? BT_COMMON_COLOR_BOLD : ""; |
| 218 | } |
| 219 | |
| 220 | BT_HIDDEN |
| 221 | const char *bt_common_color_fg_default(void) |
| 222 | { |
| 223 | return bt_common_colors_supported() ? BT_COMMON_COLOR_FG_DEFAULT : ""; |
| 224 | } |
| 225 | |
| 226 | BT_HIDDEN |
| 227 | const char *bt_common_color_fg_red(void) |
| 228 | { |
| 229 | return bt_common_colors_supported() ? BT_COMMON_COLOR_FG_RED : ""; |
| 230 | } |
| 231 | |
| 232 | BT_HIDDEN |
| 233 | const char *bt_common_color_fg_green(void) |
| 234 | { |
| 235 | return bt_common_colors_supported() ? BT_COMMON_COLOR_FG_GREEN : ""; |
| 236 | } |
| 237 | |
| 238 | BT_HIDDEN |
| 239 | const char *bt_common_color_fg_yellow(void) |
| 240 | { |
| 241 | return bt_common_colors_supported() ? BT_COMMON_COLOR_FG_YELLOW : ""; |
| 242 | } |
| 243 | |
| 244 | BT_HIDDEN |
| 245 | const char *bt_common_color_fg_blue(void) |
| 246 | { |
| 247 | return bt_common_colors_supported() ? BT_COMMON_COLOR_FG_BLUE : ""; |
| 248 | } |
| 249 | |
| 250 | BT_HIDDEN |
| 251 | const char *bt_common_color_fg_magenta(void) |
| 252 | { |
| 253 | return bt_common_colors_supported() ? BT_COMMON_COLOR_FG_MAGENTA : ""; |
| 254 | } |
| 255 | |
| 256 | BT_HIDDEN |
| 257 | const char *bt_common_color_fg_cyan(void) |
| 258 | { |
| 259 | return bt_common_colors_supported() ? BT_COMMON_COLOR_FG_CYAN : ""; |
| 260 | } |
| 261 | |
| 262 | BT_HIDDEN |
| 263 | const char *bt_common_color_fg_light_gray(void) |
| 264 | { |
| 265 | return bt_common_colors_supported() ? |
| 266 | BT_COMMON_COLOR_FG_LIGHT_GRAY : ""; |
| 267 | } |
| 268 | |
| 269 | BT_HIDDEN |
| 270 | const char *bt_common_color_bg_default(void) |
| 271 | { |
| 272 | return bt_common_colors_supported() ? BT_COMMON_COLOR_BG_DEFAULT : ""; |
| 273 | } |
| 274 | |
| 275 | BT_HIDDEN |
| 276 | const char *bt_common_color_bg_red(void) |
| 277 | { |
| 278 | return bt_common_colors_supported() ? BT_COMMON_COLOR_BG_RED : ""; |
| 279 | } |
| 280 | |
| 281 | BT_HIDDEN |
| 282 | const char *bt_common_color_bg_green(void) |
| 283 | { |
| 284 | return bt_common_colors_supported() ? BT_COMMON_COLOR_BG_GREEN : ""; |
| 285 | } |
| 286 | |
| 287 | BT_HIDDEN |
| 288 | const char *bt_common_color_bg_yellow(void) |
| 289 | { |
| 290 | return bt_common_colors_supported() ? BT_COMMON_COLOR_BG_YELLOW : ""; |
| 291 | } |
| 292 | |
| 293 | BT_HIDDEN |
| 294 | const char *bt_common_color_bg_blue(void) |
| 295 | { |
| 296 | return bt_common_colors_supported() ? BT_COMMON_COLOR_BG_BLUE : ""; |
| 297 | } |
| 298 | |
| 299 | BT_HIDDEN |
| 300 | const char *bt_common_color_bg_magenta(void) |
| 301 | { |
| 302 | return bt_common_colors_supported() ? BT_COMMON_COLOR_BG_MAGENTA : ""; |
| 303 | } |
| 304 | |
| 305 | BT_HIDDEN |
| 306 | const char *bt_common_color_bg_cyan(void) |
| 307 | { |
| 308 | return bt_common_colors_supported() ? BT_COMMON_COLOR_BG_CYAN : ""; |
| 309 | } |
| 310 | |
| 311 | BT_HIDDEN |
| 312 | const char *bt_common_color_bg_light_gray(void) |
| 313 | { |
| 314 | return bt_common_colors_supported() ? |
| 315 | BT_COMMON_COLOR_BG_LIGHT_GRAY : ""; |
| 316 | } |
| 317 | |
| 318 | BT_HIDDEN |
| 319 | GString *bt_common_string_until(const char *input, const char *escapable_chars, |
| 320 | const char *end_chars, size_t *end_pos) |
| 321 | { |
| 322 | GString *output = g_string_new(NULL); |
| 323 | const char *ch; |
| 324 | const char *es_char; |
| 325 | const char *end_char; |
| 326 | |
| 327 | if (!output) { |
| 328 | goto error; |
| 329 | } |
| 330 | |
| 331 | for (ch = input; *ch != '\0'; ch++) { |
| 332 | if (*ch == '\\') { |
| 333 | bool continue_loop = false; |
| 334 | |
| 335 | if (ch[1] == '\0') { |
| 336 | /* `\` at the end of the string: append `\` */ |
| 337 | g_string_append_c(output, *ch); |
| 338 | ch++; |
| 339 | goto set_end_pos; |
| 340 | } |
| 341 | |
| 342 | for (es_char = escapable_chars; *es_char != '\0'; es_char++) { |
| 343 | if (ch[1] == *es_char) { |
| 344 | /* |
| 345 | * `\` followed by an escapable |
| 346 | * character: append the escaped |
| 347 | * character only. |
| 348 | */ |
| 349 | g_string_append_c(output, ch[1]); |
| 350 | ch++; |
| 351 | continue_loop = true; |
| 352 | break; |
| 353 | } |
| 354 | } |
| 355 | |
| 356 | if (continue_loop) { |
| 357 | continue; |
| 358 | } |
| 359 | |
| 360 | /* |
| 361 | * `\` followed by a non-escapable character: |
| 362 | * append `\` and the character. |
| 363 | */ |
| 364 | g_string_append_c(output, *ch); |
| 365 | g_string_append_c(output, ch[1]); |
| 366 | ch++; |
| 367 | continue; |
| 368 | } else { |
| 369 | for (end_char = end_chars; *end_char != '\0'; end_char++) { |
| 370 | if (*ch == *end_char) { |
| 371 | /* |
| 372 | * End character found: |
| 373 | * terminate this loop. |
| 374 | */ |
| 375 | goto set_end_pos; |
| 376 | } |
| 377 | } |
| 378 | |
| 379 | /* Normal character: append */ |
| 380 | g_string_append_c(output, *ch); |
| 381 | } |
| 382 | } |
| 383 | |
| 384 | set_end_pos: |
| 385 | if (end_pos) { |
| 386 | *end_pos = ch - input; |
| 387 | } |
| 388 | |
| 389 | goto end; |
| 390 | |
| 391 | error: |
| 392 | if (output) { |
| 393 | g_string_free(output, TRUE); |
| 394 | } |
| 395 | |
| 396 | end: |
| 397 | return output; |
| 398 | } |
| 399 | |
| 400 | BT_HIDDEN |
| 401 | GString *bt_common_shell_quote(const char *input) |
| 402 | { |
| 403 | GString *output = g_string_new(NULL); |
| 404 | const char *ch; |
| 405 | bool no_quote = true; |
| 406 | |
| 407 | if (!output) { |
| 408 | goto end; |
| 409 | } |
| 410 | |
| 411 | if (strlen(input) == 0) { |
| 412 | g_string_assign(output, "''"); |
| 413 | goto end; |
| 414 | } |
| 415 | |
| 416 | for (ch = input; *ch != '\0'; ch++) { |
| 417 | const char c = *ch; |
| 418 | |
| 419 | if (!g_ascii_isalpha(c) && !g_ascii_isdigit(c) && c != '_' && |
| 420 | c != '@' && c != '%' && c != '+' && c != '=' && |
| 421 | c != ':' && c != ',' && c != '.' && c != '/' && |
| 422 | c != '-') { |
| 423 | no_quote = false; |
| 424 | break; |
| 425 | } |
| 426 | } |
| 427 | |
| 428 | if (no_quote) { |
| 429 | g_string_assign(output, input); |
| 430 | goto end; |
| 431 | } |
| 432 | |
| 433 | g_string_assign(output, "'"); |
| 434 | |
| 435 | for (ch = input; *ch != '\0'; ch++) { |
| 436 | if (*ch == '\'') { |
| 437 | g_string_append(output, "'\"'\"'"); |
| 438 | } else { |
| 439 | g_string_append_c(output, *ch); |
| 440 | } |
| 441 | } |
| 442 | |
| 443 | g_string_append_c(output, '\''); |
| 444 | |
| 445 | end: |
| 446 | return output; |
| 447 | } |
| 448 | |
| 449 | BT_HIDDEN |
| 450 | bool bt_common_string_is_printable(const char *input) |
| 451 | { |
| 452 | const char *ch; |
| 453 | bool printable = true; |
| 454 | assert(input); |
| 455 | |
| 456 | for (ch = input; *ch != '\0'; ch++) { |
| 457 | if (!isprint(*ch) && *ch != '\n' && *ch != '\r' && |
| 458 | *ch != '\t' && *ch != '\v') { |
| 459 | printable = false; |
| 460 | goto end; |
| 461 | } |
| 462 | } |
| 463 | |
| 464 | end: |
| 465 | return printable; |
| 466 | } |
| 467 | |
| 468 | BT_HIDDEN |
| 469 | void bt_common_destroy_lttng_live_url_parts( |
| 470 | struct bt_common_lttng_live_url_parts *parts) |
| 471 | { |
| 472 | if (!parts) { |
| 473 | goto end; |
| 474 | } |
| 475 | |
| 476 | if (parts->proto) { |
| 477 | g_string_free(parts->proto, TRUE); |
| 478 | parts->proto = NULL; |
| 479 | } |
| 480 | |
| 481 | if (parts->hostname) { |
| 482 | g_string_free(parts->hostname, TRUE); |
| 483 | parts->hostname = NULL; |
| 484 | } |
| 485 | |
| 486 | if (parts->target_hostname) { |
| 487 | g_string_free(parts->target_hostname, TRUE); |
| 488 | parts->target_hostname = NULL; |
| 489 | } |
| 490 | |
| 491 | if (parts->session_name) { |
| 492 | g_string_free(parts->session_name, TRUE); |
| 493 | parts->session_name = NULL; |
| 494 | } |
| 495 | |
| 496 | end: |
| 497 | return; |
| 498 | } |
| 499 | |
| 500 | BT_HIDDEN |
| 501 | struct bt_common_lttng_live_url_parts bt_common_parse_lttng_live_url( |
| 502 | const char *url, char *error_buf, size_t error_buf_size) |
| 503 | { |
| 504 | struct bt_common_lttng_live_url_parts parts; |
| 505 | const char *at = url; |
| 506 | size_t end_pos; |
| 507 | |
| 508 | assert(url); |
| 509 | memset(&parts, 0, sizeof(parts)); |
| 510 | parts.port = -1; |
| 511 | |
| 512 | /* Protocol */ |
| 513 | parts.proto = bt_common_string_until(at, "", ":", &end_pos); |
| 514 | if (!parts.proto || parts.proto->len == 0) { |
| 515 | if (error_buf) { |
| 516 | snprintf(error_buf, error_buf_size, "Missing protocol"); |
| 517 | } |
| 518 | |
| 519 | goto error; |
| 520 | } |
| 521 | |
| 522 | if (strcmp(parts.proto->str, "net") == 0) { |
| 523 | g_string_assign(parts.proto, "net4"); |
| 524 | } |
| 525 | |
| 526 | if (strcmp(parts.proto->str, "net4") != 0 && |
| 527 | strcmp(parts.proto->str, "net6") != 0) { |
| 528 | if (error_buf) { |
| 529 | snprintf(error_buf, error_buf_size, |
| 530 | "Unknown protocol: `%s`", parts.proto->str); |
| 531 | } |
| 532 | |
| 533 | goto error; |
| 534 | } |
| 535 | |
| 536 | if (at[end_pos] != ':') { |
| 537 | if (error_buf) { |
| 538 | snprintf(error_buf, error_buf_size, |
| 539 | "Expecting `:` after `%s`", parts.proto->str); |
| 540 | } |
| 541 | |
| 542 | goto error; |
| 543 | } |
| 544 | |
| 545 | at += end_pos; |
| 546 | |
| 547 | /* :// */ |
| 548 | if (strncmp(at, "://", 3) != 0) { |
| 549 | if (error_buf) { |
| 550 | snprintf(error_buf, error_buf_size, |
| 551 | "Expecting `://` after protocol"); |
| 552 | } |
| 553 | |
| 554 | goto error; |
| 555 | } |
| 556 | |
| 557 | at += 3; |
| 558 | |
| 559 | /* Hostname */ |
| 560 | parts.hostname = bt_common_string_until(at, "", ":/", &end_pos); |
| 561 | if (!parts.hostname || parts.hostname->len == 0) { |
| 562 | if (error_buf) { |
| 563 | snprintf(error_buf, error_buf_size, "Missing hostname"); |
| 564 | } |
| 565 | |
| 566 | goto error; |
| 567 | } |
| 568 | |
| 569 | if (at[end_pos] == ':') { |
| 570 | /* Port */ |
| 571 | GString *port; |
| 572 | |
| 573 | at += end_pos + 1; |
| 574 | port = bt_common_string_until(at, "", "/", &end_pos); |
| 575 | if (!port || port->len == 0) { |
| 576 | if (error_buf) { |
| 577 | snprintf(error_buf, error_buf_size, "Missing port"); |
| 578 | } |
| 579 | |
| 580 | goto error; |
| 581 | } |
| 582 | |
| 583 | if (sscanf(port->str, "%d", &parts.port) != 1) { |
| 584 | if (error_buf) { |
| 585 | snprintf(error_buf, error_buf_size, |
| 586 | "Invalid port: `%s`", port->str); |
| 587 | } |
| 588 | |
| 589 | g_string_free(port, TRUE); |
| 590 | goto error; |
| 591 | } |
| 592 | |
| 593 | g_string_free(port, TRUE); |
| 594 | |
| 595 | if (parts.port < 0 || parts.port >= 65536) { |
| 596 | if (error_buf) { |
| 597 | snprintf(error_buf, error_buf_size, |
| 598 | "Invalid port: %d", parts.port); |
| 599 | } |
| 600 | |
| 601 | goto error; |
| 602 | } |
| 603 | } |
| 604 | |
| 605 | if (at[end_pos] == '\0') { |
| 606 | goto end; |
| 607 | } |
| 608 | |
| 609 | at += end_pos; |
| 610 | |
| 611 | /* /host/ */ |
| 612 | if (strncmp(at, "/host/", 6) != 0) { |
| 613 | if (error_buf) { |
| 614 | snprintf(error_buf, error_buf_size, |
| 615 | "Expecting `/host/` after hostname or port"); |
| 616 | } |
| 617 | |
| 618 | goto error; |
| 619 | } |
| 620 | |
| 621 | at += 6; |
| 622 | |
| 623 | /* Target hostname */ |
| 624 | parts.target_hostname = bt_common_string_until(at, "", "/", &end_pos); |
| 625 | if (!parts.target_hostname || parts.target_hostname->len == 0) { |
| 626 | if (error_buf) { |
| 627 | snprintf(error_buf, error_buf_size, |
| 628 | "Missing target hostname"); |
| 629 | } |
| 630 | |
| 631 | goto error; |
| 632 | } |
| 633 | |
| 634 | if (at[end_pos] == '\0') { |
| 635 | goto end; |
| 636 | } |
| 637 | |
| 638 | at += end_pos + 1; |
| 639 | |
| 640 | /* Session name */ |
| 641 | parts.session_name = bt_common_string_until(at, "", "/", &end_pos); |
| 642 | if (!parts.session_name || parts.session_name->len == 0) { |
| 643 | if (error_buf) { |
| 644 | snprintf(error_buf, error_buf_size, |
| 645 | "Missing session name"); |
| 646 | } |
| 647 | |
| 648 | goto error; |
| 649 | } |
| 650 | |
| 651 | if (at[end_pos] == '/') { |
| 652 | if (error_buf) { |
| 653 | snprintf(error_buf, error_buf_size, |
| 654 | "Unexpected `/` after session name (`%s`)", |
| 655 | parts.session_name->str); |
| 656 | } |
| 657 | |
| 658 | goto error; |
| 659 | } |
| 660 | |
| 661 | goto end; |
| 662 | |
| 663 | error: |
| 664 | bt_common_destroy_lttng_live_url_parts(&parts); |
| 665 | |
| 666 | end: |
| 667 | return parts; |
| 668 | } |