Bug Summary

File:lib/lwan.c
Warning:line 338, column 17
Potential leak of memory pointed to by 'value_copy'

Annotated Source Code

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clang -cc1 -cc1 -triple x86_64-pc-linux-gnu -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name lwan.c -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 2 -fhalf-no-semantic-interposition -mframe-pointer=all -fmath-errno -ffp-contract=on -fno-rounding-math -mconstructor-aliases -fno-plt -funwind-tables=2 -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/home/buildbot/lwan-worker/clang-analyze/build/src/lib -resource-dir /usr/lib/clang/14.0.6 -include /home/buildbot/lwan-worker/clang-analyze/build/lwan-build-config.h -D _FILE_OFFSET_BITS=64 -D _TIME_BITS=64 -I /home/buildbot/lwan-worker/clang-analyze/build/src/lib/missing -I /usr/include/luajit-2.1 -I /usr/include/valgrind -I /home/buildbot/lwan-worker/clang-analyze/build/src/lib -I /home/buildbot/lwan-worker/clang-analyze/build -internal-isystem /usr/lib/clang/14.0.6/include -internal-isystem /usr/local/include -internal-isystem /usr/bin/../lib64/gcc/x86_64-pc-linux-gnu/12.2.0/../../../../x86_64-pc-linux-gnu/include -internal-externc-isystem /include -internal-externc-isystem /usr/include -Wno-unused-parameter -Wno-free-nonheap-object -std=gnu11 -fdebug-compilation-dir=/home/buildbot/lwan-worker/clang-analyze/build/src/lib -ferror-limit 19 -stack-protector 2 -fgnuc-version=4.2.1 -analyzer-output=html -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /home/buildbot/lwan-worker/clang-analyze/CLANG/2022-10-15-173221-3577288-1 -x c /home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c
1/*
2 * lwan - web server
3 * Copyright (c) 2012, 2013 L. A. F. Pereira <l@tia.mat.br>
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
18 * USA.
19 */
20
21#define _GNU_SOURCE
22#include <assert.h>
23#include <ctype.h>
24#include <dlfcn.h>
25#include <errno(*__errno_location ()).h>
26#include <fcntl.h>
27#include <libproc.h>
28#include <limits.h>
29#include <signal.h>
30#include <stdlib.h>
31#include <string.h>
32#include <sys/resource.h>
33#include <sys/socket.h>
34#include <sys/types.h>
35#include <unistd.h>
36
37#include "lwan-private.h"
38
39#include "lwan-config.h"
40#include "lwan-http-authorize.h"
41
42#if defined(LWAN_HAVE_LUA)
43#include "lwan-lua.h"
44#endif
45
46/* Ideally, this would check if all items in enum lwan_request_flags,
47 * when bitwise-or'd together, would not have have any bit set that
48 * is also set in REQUEST_METHOD_MASK. */
49static_assert_Static_assert(REQUEST_ACCEPT_DEFLATE > REQUEST_METHOD_MASK,
50 "enough bits to store request methods");
51
52/* See detect_fastest_monotonic_clock() */
53clockid_t monotonic_clock_id = CLOCK_MONOTONIC1;
54
55static const struct lwan_config default_config = {
56 .listener = "localhost:8080",
57 .keep_alive_timeout = 15,
58 .quiet = false0,
59 .proxy_protocol = false0,
60 .allow_cors = false0,
61 .expires = 1 * ONE_WEEK(((60 * 60) * 24) * 7),
62 .n_threads = 0,
63 .max_post_data_size = 10 * DEFAULT_BUFFER_SIZE4096,
64 .allow_post_temp_file = false0,
65 .max_put_data_size = 10 * DEFAULT_BUFFER_SIZE4096,
66 .allow_put_temp_file = false0,
67};
68
69LWAN_HANDLER_ROUTE(brew_coffee, NULL /* do not autodetect this route */)static enum lwan_http_status lwan_handler_brew_coffee( struct
lwan_request *, struct lwan_response *, void *); static const
struct lwan_handler_info __attribute__((used, section("lwan_handler"
))) __attribute__((aligned(8))) lwan_handler_info_brew_coffee
= { .name = "brew_coffee", .route = ((void*)0), .handler = lwan_handler_brew_coffee
, }; __attribute__((used)) static enum lwan_http_status lwan_handler_brew_coffee
( struct lwan_request *request __attribute__((unused)), struct
lwan_response *response __attribute__((unused)), void *data __attribute__
((unused)))
70{
71 /* Placeholder handler so that __start_lwan_handler and __stop_lwan_handler
72 * symbols will get defined.
73 */
74 return HTTP_I_AM_A_TEAPOT;
75}
76
77__attribute__((no_sanitize_address))
78static void *find_handler(const char *name)
79{
80 const struct lwan_handler_info *handler;
81
82 LWAN_SECTION_FOREACH(lwan_handler, handler)for (handler = ({ extern const typeof(*handler) __start_lwan_handler
[]; __start_lwan_handler; }); handler < ({ extern const typeof
(*handler) __stop_lwan_handler[]; __stop_lwan_handler; }); (handler
)++)
{
83 if (streq(handler->name, name))
84 return handler->handler;
85 }
86
87 return NULL((void*)0);
88}
89
90__attribute__((no_sanitize_address))
91static const struct lwan_module *find_module(const char *name)
92{
93 const struct lwan_module_info *module;
94
95 LWAN_SECTION_FOREACH(lwan_module, module)for (module = ({ extern const typeof(*module) __start_lwan_module
[]; __start_lwan_module; }); module < ({ extern const typeof
(*module) __stop_lwan_module[]; __stop_lwan_module; }); (module
)++)
{
96 if (streq(module->name, name))
97 return module->module;
98 }
99
100 return NULL((void*)0);
101}
102
103static void destroy_urlmap(void *data)
104{
105 struct lwan_url_map *url_map = data;
106
107 if (url_map->module) {
108 const struct lwan_module *module = url_map->module;
109
110 if (module->destroy)
111 module->destroy(url_map->data);
112 } else if (url_map->data && url_map->flags & HANDLER_DATA_IS_HASH_TABLE) {
113 hash_free(url_map->data);
114 }
115
116 free(url_map->authorization.realm);
117 free(url_map->authorization.password_file);
118 free((char *)url_map->prefix);
119 free(url_map);
120}
121
122static struct lwan_url_map *add_url_map(struct lwan_trie *t, const char *prefix,
123 const struct lwan_url_map *map)
124{
125 struct lwan_url_map *copy = malloc(sizeof(*copy));
126
127 if (!copy)
128 lwan_status_critical_perror("Could not copy URL map")lwan_status_critical_perror_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 128, __FUNCTION__, "Could not copy URL map")
;
129
130 memcpy(copy, map, sizeof(*copy));
131
132 copy->prefix = strdup(prefix ? prefix : copy->prefix);
133 if (!copy->prefix)
134 lwan_status_critical_perror("Could not copy URL prefix")lwan_status_critical_perror_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 134, __FUNCTION__, "Could not copy URL prefix")
;
135
136 copy->prefix_len = strlen(copy->prefix);
137 lwan_trie_add(t, copy->prefix, copy);
138
139 return copy;
140}
141
142static bool_Bool can_override_header(const char *name)
143{
144 /* NOTE: Update lwan_prepare_response_header_full() in lwan-response.c
145 * if new headers are added here. */
146
147 if (strcaseequal_neutral(name, "Date"))
148 return false0;
149 if (strcaseequal_neutral(name, "Expires"))
150 return false0;
151 if (strcaseequal_neutral(name, "WWW-Authenticate"))
152 return false0;
153 if (strcaseequal_neutral(name, "Connection"))
154 return false0;
155 if (strcaseequal_neutral(name, "Content-Type"))
156 return false0;
157 if (strcaseequal_neutral(name, "Transfer-Encoding"))
158 return false0;
159 if (!strncasecmp(name, "Access-Control-Allow-",
160 sizeof("Access-Control-Allow-") - 1))
161 return false0;
162
163 return true1;
164}
165
166static void build_response_headers(struct lwan *l,
167 const struct lwan_key_value *kv)
168{
169 struct lwan_strbuf strbuf;
170 bool_Bool set_server = false0;
171
172 assert(l)((void) sizeof ((l) ? 1 : 0), __extension__ ({ if (l) ; else __assert_fail
("l", "/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 172, __extension__ __PRETTY_FUNCTION__); }))
;
173
174 lwan_strbuf_init(&strbuf);
175
176 for (; kv && kv->key; kv++) {
177 if (!can_override_header(kv->key)) {
178 lwan_status_warning("Cannot override header '%s'", kv->key)lwan_status_warning_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 178, __FUNCTION__, "Cannot override header '%s'", kv->key
)
;
179 } else {
180 if (strcaseequal_neutral(kv->key, "Server"))
181 set_server = true1;
182
183 lwan_strbuf_append_printf(&strbuf, "\r\n%s: %s", kv->key,
184 kv->value);
185 }
186 }
187
188 if (!set_server)
189 lwan_strbuf_append_strz(&strbuf, "\r\nServer: lwan");
190
191 lwan_strbuf_append_strz(&strbuf, "\r\n\r\n");
192
193 l->headers = (struct lwan_value){.value = lwan_strbuf_get_buffer(&strbuf),
194 .len = lwan_strbuf_get_length(&strbuf)};
195}
196
197static void parse_global_headers(struct config *c,
198 struct lwan *lwan)
199{
200 struct lwan_key_value_array hdrs;
201 const struct config_line *l;
202 struct lwan_key_value *kv;
203
204 lwan_key_value_array_init(&hdrs);
205
206 while ((l = config_read_line(c))) {
207 switch (l->type) {
208 case CONFIG_LINE_TYPE_SECTION:
209 config_error(
210 c, "No sections are supported under the 'headers' section");
211 goto cleanup;
212
213 case CONFIG_LINE_TYPE_LINE:
214 kv = lwan_key_value_array_append(&hdrs);
215 if (!kv) {
216 lwan_status_critical_perror(lwan_status_critical_perror_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 217, __FUNCTION__, "Could not allocate memory for custom response header"
)
217 "Could not allocate memory for custom response header")lwan_status_critical_perror_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 217, __FUNCTION__, "Could not allocate memory for custom response header"
)
;
218 }
219
220 kv->key = strdup(l->key);
221 if (!kv->key) {
222 lwan_status_critical_perror(lwan_status_critical_perror_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 223, __FUNCTION__, "Could not allocate memory for custom response header"
)
223 "Could not allocate memory for custom response header")lwan_status_critical_perror_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 223, __FUNCTION__, "Could not allocate memory for custom response header"
)
;
224 }
225
226 kv->value = strdup(l->value);
227 if (!kv->value) {
228 lwan_status_critical_perror(lwan_status_critical_perror_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 229, __FUNCTION__, "Could not allocate memory for custom response header"
)
229 "Could not allocate memory for custom response header")lwan_status_critical_perror_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 229, __FUNCTION__, "Could not allocate memory for custom response header"
)
;
230 }
231 break;
232
233 case CONFIG_LINE_TYPE_SECTION_END:
234 kv = lwan_key_value_array_append(&hdrs);
235 if (!kv) {
236 lwan_status_critical_perror(lwan_status_critical_perror_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 237, __FUNCTION__, "Could not allocate memory for custom response header"
)
237 "Could not allocate memory for custom response header")lwan_status_critical_perror_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 237, __FUNCTION__, "Could not allocate memory for custom response header"
)
;
238 }
239
240 kv->key = NULL((void*)0);
241 kv->value = NULL((void*)0);
242
243 build_response_headers(lwan, lwan_key_value_array_get_array(&hdrs));
244 goto cleanup;
245 }
246 }
247
248 config_error(c, "EOF while looking for end of 'headers' section");
249
250cleanup:
251 LWAN_ARRAY_FOREACH (&hdrs, kv)for (kv = (&hdrs)->base.base; kv < ((typeof(kv))(&
hdrs)->base.base + (&hdrs)->base.elements); kv++)
{
252 free(kv->key);
253 free(kv->value);
254 }
255 lwan_key_value_array_reset(&hdrs);
256}
257
258static void parse_listener_prefix_authorization(struct config *c,
259 const struct config_line *l,
260 struct lwan_url_map *url_map)
261{
262 if (!streq(l->value, "basic")) {
263 config_error(c, "Only basic authorization supported");
264 return;
265 }
266
267 memset(&url_map->authorization, 0, sizeof(url_map->authorization));
268
269 while ((l = config_read_line(c))) {
270 switch (l->type) {
271 case CONFIG_LINE_TYPE_LINE:
272 if (streq(l->key, "realm")) {
273 free(url_map->authorization.realm);
274 url_map->authorization.realm = strdup(l->value);
275 } else if (streq(l->key, "password_file")) {
276 free(url_map->authorization.password_file);
277 url_map->authorization.password_file = realpath(l->value, NULL((void*)0));
278 if (!url_map->authorization.password_file)
279 config_error(c, "Could not determine full path for password file: %s", l->value);
280 }
281 break;
282
283 case CONFIG_LINE_TYPE_SECTION:
284 config_error(c, "Unexpected section: %s", l->key);
285 goto error;
286
287 case CONFIG_LINE_TYPE_SECTION_END:
288 if (!url_map->authorization.realm)
289 url_map->authorization.realm = strdup("Lwan");
290 if (!url_map->authorization.password_file)
291 url_map->authorization.password_file = strdup("htpasswd");
292
293 url_map->flags |= HANDLER_MUST_AUTHORIZE;
294 return;
295 }
296 }
297
298 config_error(c, "Could not find end of authorization section");
299
300error:
301 free(url_map->authorization.realm);
302 free(url_map->authorization.password_file);
303}
304
305__attribute__((no_sanitize_address))
306static const char *get_module_name(const struct lwan_module *module)
307{
308 const struct lwan_module_info *iter;
309
310 LWAN_SECTION_FOREACH(lwan_module, iter)for (iter = ({ extern const typeof(*iter) __start_lwan_module
[]; __start_lwan_module; }); iter < ({ extern const typeof
(*iter) __stop_lwan_module[]; __stop_lwan_module; }); (iter)++
)
{
311 if (iter->module == module)
312 return iter->name;
313 }
314
315 return "<unknown>";
316}
317
318static void parse_listener_prefix(struct config *c,
319 const struct config_line *l,
320 struct lwan *lwan,
321 const struct lwan_module *module,
322 void *handler)
323{
324 struct lwan_url_map url_map = {};
325 struct hash *hash = hash_str_new(free, free);
326 char *prefix = strdupa(l->value)(__extension__ ({ const char *__old = (l->value); size_t __len
= strlen (__old) + 1; char *__new = (char *) __builtin_alloca
(__len); (char *) memcpy (__new, __old, __len); }))
;
327 struct config *isolated;
328
329 if (!hash)
21
Assuming 'hash' is non-null
22
Taking false branch
330 lwan_status_critical("Could not allocate hash table")lwan_status_critical_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 330, __FUNCTION__, "Could not allocate hash table")
;
331
332 isolated = config_isolate_section(c, l);
333 if (!isolated) {
23
Assuming 'isolated' is non-null
24
Taking false branch
334 config_error(c, "Could not isolate configuration file");
335 goto out;
336 }
337
338 while ((l = config_read_line(c))) {
25
Loop condition is true. Entering loop body
32
Execution continues on line 338
33
Potential leak of memory pointed to by 'value_copy'
339 switch (l->type) {
26
Control jumps to 'case CONFIG_LINE_TYPE_LINE:' at line 340
340 case CONFIG_LINE_TYPE_LINE: {
341 char *key_copy = strdup(l->key);
342 char *value_copy = strdup(l->value);
27
Memory is allocated
343
344 if (!key_copy)
28
Assuming 'key_copy' is non-null
29
Taking false branch
345 lwan_status_critical("Could not copy key from config file")lwan_status_critical_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 345, __FUNCTION__, "Could not copy key from config file")
;
346 if (!value_copy)
30
Assuming 'value_copy' is non-null
31
Taking false branch
347 lwan_status_critical("Could not copy value from config file")lwan_status_critical_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 347, __FUNCTION__, "Could not copy value from config file")
;
348
349 hash_add(hash, key_copy, value_copy);
350 break;
351 }
352
353 case CONFIG_LINE_TYPE_SECTION:
354 if (streq(l->key, "authorization")) {
355 parse_listener_prefix_authorization(c, l, &url_map);
356 } else if (!config_skip_section(c, l)) {
357 config_error(c, "Could not skip section");
358 goto out;
359 }
360 break;
361
362 case CONFIG_LINE_TYPE_SECTION_END:
363 goto add_map;
364 }
365 }
366
367 config_error(c, "Expecting section end while parsing prefix");
368 goto out;
369
370add_map:
371 assert((handler && !module) || (!handler && module))((void) sizeof (((handler && !module) || (!handler &&
module)) ? 1 : 0), __extension__ ({ if ((handler && !
module) || (!handler && module)) ; else __assert_fail
("(handler && !module) || (!handler && module)"
, "/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 371, __extension__ __PRETTY_FUNCTION__); }))
;
372
373 if (handler) {
374 url_map.handler = handler;
375 url_map.flags |= HANDLER_PARSE_MASK | HANDLER_DATA_IS_HASH_TABLE;
376 url_map.data = hash;
377 url_map.module = NULL((void*)0);
378
379 hash = NULL((void*)0);
380 } else if (module->create_from_hash && module->handle_request) {
381 lwan_status_debug("Initializing module %s from config",lwan_status_debug_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 382, __FUNCTION__, "Initializing module %s from config", get_module_name
(module))
382 get_module_name(module))lwan_status_debug_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 382, __FUNCTION__, "Initializing module %s from config", get_module_name
(module))
;
383
384 url_map.data = module->create_from_hash(prefix, hash);
385 if (!url_map.data) {
386 config_error(c, "Could not create module instance");
387 goto out;
388 }
389
390 if (module->parse_conf && !module->parse_conf(url_map.data, isolated)) {
391 const char *msg = config_last_error(isolated);
392
393 config_error(c, "Error from module: %s", msg ? msg : "Unknown");
394 goto out;
395 }
396
397 url_map.handler = module->handle_request;
398 url_map.flags |= module->flags;
399 url_map.module = module;
400 } else if (UNLIKELY(!module->create_from_hash)__builtin_expect(((!module->create_from_hash)), (0))) {
401 config_error(c, "Module isn't prepared to load settings from a file; "
402 "create_from_hash() method isn't present");
403 goto out;
404 } else if (UNLIKELY(!module->handle_request)__builtin_expect(((!module->handle_request)), (0))) {
405 config_error(c, "Module does not have handle_request() method");
406 goto out;
407 }
408
409 add_url_map(&lwan->url_map_trie, prefix, &url_map);
410
411out:
412 hash_free(hash);
413 config_close(isolated);
414}
415
416static void register_url_map(struct lwan *l, const struct lwan_url_map *map)
417{
418 struct lwan_url_map *copy = add_url_map(&l->url_map_trie, NULL((void*)0), map);
419
420 if (copy->module && copy->module->create) {
421 lwan_status_debug("Initializing module %s from struct",lwan_status_debug_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 422, __FUNCTION__, "Initializing module %s from struct", get_module_name
(copy->module))
422 get_module_name(copy->module))lwan_status_debug_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 422, __FUNCTION__, "Initializing module %s from struct", get_module_name
(copy->module))
;
423
424 copy->data = copy->module->create(map->prefix, copy->args);
425 if (!copy->data) {
426 lwan_status_critical("Could not initialize module %s",lwan_status_critical_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 427, __FUNCTION__, "Could not initialize module %s", get_module_name
(copy->module))
427 get_module_name(copy->module))lwan_status_critical_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 427, __FUNCTION__, "Could not initialize module %s", get_module_name
(copy->module))
;
428 }
429
430 copy->flags = copy->module->flags;
431 copy->handler = copy->module->handle_request;
432 } else {
433 copy->flags = HANDLER_PARSE_MASK;
434 }
435}
436
437void lwan_set_url_map(struct lwan *l, const struct lwan_url_map *map)
438{
439 lwan_trie_destroy(&l->url_map_trie);
440 if (UNLIKELY(!lwan_trie_init(&l->url_map_trie, destroy_urlmap))__builtin_expect(((!lwan_trie_init(&l->url_map_trie, destroy_urlmap
))), (0))
)
441 lwan_status_critical_perror("Could not initialize trie")lwan_status_critical_perror_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 441, __FUNCTION__, "Could not initialize trie")
;
442
443 for (; map->prefix; map++)
444 register_url_map(l, map);
445}
446
447__attribute__((no_sanitize_address))
448void lwan_detect_url_map(struct lwan *l)
449{
450 const struct lwan_handler_info *iter;
451
452 lwan_trie_destroy(&l->url_map_trie);
453 if (UNLIKELY(!lwan_trie_init(&l->url_map_trie, destroy_urlmap))__builtin_expect(((!lwan_trie_init(&l->url_map_trie, destroy_urlmap
))), (0))
)
454 lwan_status_critical_perror("Could not initialize trie")lwan_status_critical_perror_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 454, __FUNCTION__, "Could not initialize trie")
;
455
456 LWAN_SECTION_FOREACH(lwan_handler, iter)for (iter = ({ extern const typeof(*iter) __start_lwan_handler
[]; __start_lwan_handler; }); iter < ({ extern const typeof
(*iter) __stop_lwan_handler[]; __stop_lwan_handler; }); (iter
)++)
{
457 if (!iter->route)
458 continue;
459
460 const struct lwan_url_map map = {.prefix = iter->route,
461 .handler = iter->handler};
462 register_url_map(l, &map);
463 }
464}
465
466const char *lwan_get_config_path(char *path_buf, size_t path_buf_len)
467{
468 char buffer[PATH_MAX4096];
469
470 if (proc_pidpath(getpid(), buffer, sizeof(buffer)) < 0)
471 goto out;
472
473 char *path = strrchr(buffer, '/');
474 if (!path)
475 goto out;
476 int ret = snprintf(path_buf, path_buf_len, "%s.conf", path + 1);
477 if (ret < 0 || ret >= (int)path_buf_len)
478 goto out;
479
480 return path_buf;
481
482out:
483 return "lwan.conf";
484}
485
486static void parse_tls_listener(struct config *conf, const struct config_line *line, struct lwan *lwan)
487{
488#if !defined(LWAN_HAVE_MBEDTLS)
489 config_error(conf, "Lwan has been built without mbedTLS support");
490 return;
491#endif
492
493 lwan->config.tls_listener = strdup(line->value);
494 if (!lwan->config.tls_listener) {
495 config_error(conf, "Could not allocate memory for tls_listener");
496 return;
497 }
498
499 lwan->config.ssl.cert = NULL((void*)0);
500 lwan->config.ssl.key = NULL((void*)0);
501
502 while ((line = config_read_line(conf))) {
503 switch (line->type) {
504 case CONFIG_LINE_TYPE_SECTION_END:
505 if (!lwan->config.ssl.cert)
506 config_error(conf, "Missing path to certificate");
507 if (!lwan->config.ssl.key)
508 config_error(conf, "Missing path to private key");
509 return;
510 case CONFIG_LINE_TYPE_SECTION:
511 config_error(conf, "Unexpected section: %s", line->key);
512 return;
513 case CONFIG_LINE_TYPE_LINE:
514 if (streq(line->key, "cert")) {
515 free(lwan->config.ssl.cert);
516 lwan->config.ssl.cert = strdup(line->value);
517 if (!lwan->config.ssl.cert)
518 return lwan_status_critical("Could not copy string")lwan_status_critical_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 518, __FUNCTION__, "Could not copy string")
;
519 } else if (streq(line->key, "key")) {
520 free(lwan->config.ssl.key);
521 lwan->config.ssl.key = strdup(line->value);
522 if (!lwan->config.ssl.key)
523 return lwan_status_critical("Could not copy string")lwan_status_critical_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 523, __FUNCTION__, "Could not copy string")
;
524 } else if (streq(line->key, "hsts")) {
525 lwan->config.ssl.send_hsts_header = parse_bool(line->value, false0);
526 } else {
527 config_error(conf, "Unexpected key: %s", line->key);
528 }
529 }
530 }
531
532 config_error(conf, "Expecting section end while parsing SSL configuration");
533}
534
535static void
536parse_listener(struct config *c, const struct config_line *l, struct lwan *lwan)
537{
538 lwan->config.listener = strdup(l->value);
539 if (!lwan->config.listener)
540 config_error(c, "Could not allocate memory for listener");
541
542 while ((l = config_read_line(c))) {
543 switch (l->type) {
544 case CONFIG_LINE_TYPE_LINE:
545 config_error(c, "Unexpected key %s", l->key);
546 return;
547 case CONFIG_LINE_TYPE_SECTION:
548 config_error(c, "Unexpected section %s", l->key);
549 return;
550 case CONFIG_LINE_TYPE_SECTION_END:
551 return;
552 }
553 }
554
555 config_error(c, "Unexpected EOF while parsing listener");
556}
557
558static void
559parse_site(struct config *c, const struct config_line *l, struct lwan *lwan)
560{
561 while ((l = config_read_line(c))) {
14
Loop condition is true. Entering loop body
562 switch (l->type) {
15
Control jumps to 'case CONFIG_LINE_TYPE_SECTION:' at line 566
563 case CONFIG_LINE_TYPE_LINE:
564 config_error(c, "Expecting prefix section");
565 return;
566 case CONFIG_LINE_TYPE_SECTION:
567 /* FIXME: per-site authorization? */
568
569 if (l->key[0] == '&') {
16
Assuming the condition is false
17
Taking false branch
570 void *handler = find_handler(l->key + 1);
571 if (handler) {
572 parse_listener_prefix(c, l, lwan, NULL((void*)0), handler);
573 continue;
574 }
575
576 config_error(c, "Could not find handler name: %s", l->key + 1);
577 return;
578 }
579
580 const struct lwan_module *module = find_module(l->key);
581 if (module) {
18
Assuming 'module' is non-null
19
Taking true branch
582 parse_listener_prefix(c, l, lwan, module, NULL((void*)0));
20
Calling 'parse_listener_prefix'
583 continue;
584 }
585
586 config_error(c, "Invalid section or module not found: %s", l->key);
587 return;
588 case CONFIG_LINE_TYPE_SECTION_END:
589 return;
590 }
591 }
592
593 config_error(c, "Expecting section end while parsing listener");
594}
595
596static bool_Bool setup_from_config(struct lwan *lwan, const char *path)
597{
598 const struct config_line *line;
599 struct config *conf;
600 bool_Bool has_site = false0;
601 bool_Bool has_listener = false0;
602 bool_Bool has_tls_listener = false0;
603 char path_buf[PATH_MAX4096];
604
605 if (!path
3.1
'path' is null
)
4
Taking true branch
606 path = lwan_get_config_path(path_buf, sizeof(path_buf));
607 lwan_status_info("Loading configuration file: %s", path)lwan_status_info_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 607, __FUNCTION__, "Loading configuration file: %s", path)
;
608
609 conf = config_open(path);
610 if (!conf)
5
Assuming 'conf' is non-null
6
Taking false branch
611 return false0;
612
613 if (!lwan_trie_init(&lwan->url_map_trie, destroy_urlmap))
7
Assuming the condition is false
8
Taking false branch
614 return false0;
615
616 while ((line = config_read_line(conf))) {
9
Loop condition is true. Entering loop body
617 switch (line->type) {
10
Control jumps to 'case CONFIG_LINE_TYPE_SECTION:' at line 678
618 case CONFIG_LINE_TYPE_LINE:
619 if (streq(line->key, "keep_alive_timeout")) {
620 lwan->config.keep_alive_timeout = (unsigned int)parse_long(
621 line->value, default_config.keep_alive_timeout);
622 } else if (streq(line->key, "quiet")) {
623 lwan->config.quiet =
624 parse_bool(line->value, default_config.quiet);
625 } else if (streq(line->key, "proxy_protocol")) {
626 lwan->config.proxy_protocol =
627 parse_bool(line->value, default_config.proxy_protocol);
628 } else if (streq(line->key, "allow_cors")) {
629 lwan->config.allow_cors =
630 parse_bool(line->value, default_config.allow_cors);
631 } else if (streq(line->key, "expires")) {
632 lwan->config.expires =
633 parse_time_period(line->value, default_config.expires);
634 } else if (streq(line->key, "error_template")) {
635 free(lwan->config.error_template);
636 lwan->config.error_template = strdup(line->value);
637 } else if (streq(line->key, "threads")) {
638 long n_threads =
639 parse_long(line->value, default_config.n_threads);
640 if (n_threads < 0)
641 config_error(conf, "Invalid number of threads: %ld",
642 n_threads);
643 lwan->config.n_threads = (unsigned int)n_threads;
644 } else if (streq(line->key, "max_post_data_size")) {
645 long max_post_data_size = parse_long(
646 line->value, (long)default_config.max_post_data_size);
647 if (max_post_data_size < 0)
648 config_error(conf, "Negative maximum post data size");
649 else if (max_post_data_size > 128 * (1 << 20))
650 config_error(conf,
651 "Maximum post data can't be over 128MiB");
652 lwan->config.max_post_data_size = (size_t)max_post_data_size;
653 } else if (streq(line->key, "max_put_data_size")) {
654 long max_put_data_size = parse_long(
655 line->value, (long)default_config.max_put_data_size);
656 if (max_put_data_size < 0)
657 config_error(conf, "Negative maximum put data size");
658 else if (max_put_data_size > 128 * (1 << 20))
659 config_error(conf,
660 "Maximum put data can't be over 128MiB");
661 lwan->config.max_put_data_size = (size_t)max_put_data_size;
662 } else if (streq(line->key, "allow_temp_files")) {
663 bool_Bool has_post, has_put;
664
665 if (strstr(line->value, "all")) {
666 has_post = has_put = true1;
667 } else {
668 has_post = !!strstr(line->value, "post");
669 has_put = !!strstr(line->value, "put");
670 }
671
672 lwan->config.allow_post_temp_file = has_post;
673 lwan->config.allow_put_temp_file = has_put;
674 } else {
675 config_error(conf, "Unknown config key: %s", line->key);
676 }
677 break;
678 case CONFIG_LINE_TYPE_SECTION:
679 if (streq(line->key, "site")) {
11
Taking true branch
680 if (!has_site
11.1
'has_site' is false
) {
12
Taking true branch
681 parse_site(conf, line, lwan);
13
Calling 'parse_site'
682 has_site = true1;
683 } else {
684 config_error(conf, "Only one site may be configured");
685 }
686 } else if (streq(line->key, "straitjacket")) {
687 lwan_straitjacket_enforce_from_config(conf);
688 } else if (streq(line->key, "headers")) {
689 parse_global_headers(conf, lwan);
690 } else if (streq(line->key, "listener")) {
691 if (has_listener) {
692 config_error(conf, "Listener already set up");
693 } else {
694 parse_listener(conf, line, lwan);
695 has_listener = true1;
696 }
697 } else if (streq(line->key, "tls_listener")) {
698 if (has_tls_listener) {
699 config_error(conf, "TLS Listener already set up");
700 } else {
701 parse_tls_listener(conf, line, lwan);
702 has_tls_listener = true1;
703 }
704 } else {
705 config_error(conf, "Unknown section type: %s", line->key);
706 }
707 break;
708 case CONFIG_LINE_TYPE_SECTION_END:
709 config_error(conf, "Unexpected section end");
710 }
711 }
712
713 if (config_last_error(conf)) {
714 lwan_status_critical("Error on config file \"%s\", line %d: %s", path,lwan_status_critical_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 715, __FUNCTION__, "Error on config file \"%s\", line %d: %s"
, path, config_cur_line(conf), config_last_error(conf))
715 config_cur_line(conf), config_last_error(conf))lwan_status_critical_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 715, __FUNCTION__, "Error on config file \"%s\", line %d: %s"
, path, config_cur_line(conf), config_last_error(conf))
;
716 lwan_trie_destroy(&lwan->url_map_trie);
717 }
718
719 config_close(conf);
720
721 return true1;
722}
723
724static void try_setup_from_config(struct lwan *l,
725 const struct lwan_config *config)
726{
727 if (!setup_from_config(l, config->config_file_path)) {
3
Calling 'setup_from_config'
728 if (config->config_file_path) {
729 lwan_status_critical("Could not read config file: %s",lwan_status_critical_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 730, __FUNCTION__, "Could not read config file: %s", config
->config_file_path)
730 config->config_file_path)lwan_status_critical_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 730, __FUNCTION__, "Could not read config file: %s", config
->config_file_path)
;
731 }
732 }
733
734 lwan_status_init(l); /* `quiet` key might have changed value. */
735
736 l->config.request_flags =
737 (l->config.proxy_protocol ? REQUEST_ALLOW_PROXY_REQS : 0) |
738 (l->config.allow_cors ? REQUEST_ALLOW_CORS : 0) |
739 (l->config.ssl.send_hsts_header ? REQUEST_WANTS_HSTS_HEADER : 0);
740}
741
742static rlim_t setup_open_file_count_limits(void)
743{
744 struct rlimit r;
745
746 if (getrlimit(RLIMIT_NOFILERLIMIT_NOFILE, &r) < 0) {
747 lwan_status_perror("Could not obtain maximum number of file "lwan_status_perror_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 749, __FUNCTION__, "Could not obtain maximum number of file "
"descriptors. Assuming %d", 256)
748 "descriptors. Assuming %d",lwan_status_perror_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 749, __FUNCTION__, "Could not obtain maximum number of file "
"descriptors. Assuming %d", 256)
749 OPEN_MAX)lwan_status_perror_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 749, __FUNCTION__, "Could not obtain maximum number of file "
"descriptors. Assuming %d", 256)
;
750 return OPEN_MAX256;
751 }
752
753 if (r.rlim_max != r.rlim_cur) {
754 const rlim_t current = r.rlim_cur;
755
756 if (r.rlim_max == RLIM_INFINITY0xffffffffffffffffuLL && r.rlim_cur < OPEN_MAX256) {
757 r.rlim_cur = OPEN_MAX256;
758 } else if (r.rlim_cur < r.rlim_max) {
759 r.rlim_cur = r.rlim_max;
760 } else {
761 /* Shouldn't happen, so just return the current value. */
762 goto out;
763 }
764
765 if (setrlimit(RLIMIT_NOFILERLIMIT_NOFILE, &r) < 0) {
766 lwan_status_perror("Could not raise maximum number of file "lwan_status_perror_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 768, __FUNCTION__, "Could not raise maximum number of file "
"descriptors to %" "l" "u" ". Leaving at " "%" "l" "u", r.rlim_max
, current)
767 "descriptors to %" PRIu64 ". Leaving at "lwan_status_perror_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 768, __FUNCTION__, "Could not raise maximum number of file "
"descriptors to %" "l" "u" ". Leaving at " "%" "l" "u", r.rlim_max
, current)
768 "%" PRIu64, r.rlim_max, current)lwan_status_perror_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 768, __FUNCTION__, "Could not raise maximum number of file "
"descriptors to %" "l" "u" ". Leaving at " "%" "l" "u", r.rlim_max
, current)
;
769 r.rlim_cur = current;
770 }
771 }
772
773out:
774 return r.rlim_cur;
775}
776
777static void allocate_connections(struct lwan *l, size_t max_open_files)
778{
779 const size_t sz = max_open_files * sizeof(struct lwan_connection);
780
781 l->conns = lwan_aligned_alloc(sz, 64);
782 if (UNLIKELY(!l->conns)__builtin_expect(((!l->conns)), (0)))
783 lwan_status_critical_perror("lwan_alloc_aligned")lwan_status_critical_perror_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 783, __FUNCTION__, "lwan_alloc_aligned")
;
784
785 memset(l->conns, 0, sz);
786}
787
788static void get_number_of_cpus(struct lwan *l)
789{
790 long n_online_cpus = sysconf(_SC_NPROCESSORS_ONLN_SC_NPROCESSORS_ONLN);
791 long n_available_cpus = sysconf(_SC_NPROCESSORS_CONF_SC_NPROCESSORS_CONF);
792
793 if (n_online_cpus < 0) {
794 lwan_status_warning(lwan_status_warning_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 795, __FUNCTION__, "Could not get number of online CPUs, assuming 1 CPU"
)
795 "Could not get number of online CPUs, assuming 1 CPU")lwan_status_warning_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 795, __FUNCTION__, "Could not get number of online CPUs, assuming 1 CPU"
)
;
796 n_online_cpus = 1;
797 }
798
799 if (n_available_cpus < 0) {
800 lwan_status_warning(lwan_status_warning_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 802, __FUNCTION__, "Could not get number of available CPUs, assuming %ld CPUs"
, n_online_cpus)
801 "Could not get number of available CPUs, assuming %ld CPUs",lwan_status_warning_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 802, __FUNCTION__, "Could not get number of available CPUs, assuming %ld CPUs"
, n_online_cpus)
802 n_online_cpus)lwan_status_warning_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 802, __FUNCTION__, "Could not get number of available CPUs, assuming %ld CPUs"
, n_online_cpus)
;
803 n_available_cpus = n_online_cpus;
804 }
805
806 l->online_cpus = (unsigned int)n_online_cpus;
807 l->available_cpus = (unsigned int)n_available_cpus;
808}
809
810void lwan_init(struct lwan *l) { lwan_init_with_config(l, &default_config); }
1
Calling 'lwan_init_with_config'
811
812const struct lwan_config *lwan_get_default_config(void)
813{
814 return &default_config;
815}
816
817static char *dup_or_null(const char *s)
818{
819 return s ? strdup(s) : NULL((void*)0);
820}
821
822void lwan_init_with_config(struct lwan *l, const struct lwan_config *config)
823{
824 /* Load defaults */
825 memset(l, 0, sizeof(*l));
826 memcpy(&l->config, config, sizeof(*config));
827 l->config.listener = dup_or_null(l->config.listener);
828 l->config.config_file_path = dup_or_null(l->config.config_file_path);
829 l->config.ssl.key = dup_or_null(l->config.ssl.key);
830 l->config.ssl.cert = dup_or_null(l->config.ssl.cert);
831
832 /* Initialize status first, as it is used by other things during
833 * their initialization. */
834 lwan_status_init(l);
835
836 /* These will only print debugging messages. Debug messages are always
837 * printed if we're on a debug build, so the quiet setting will be
838 * respected. */
839 lwan_job_thread_init();
840 lwan_tables_init();
841
842 /* Get the number of CPUs here because straightjacket might be active
843 * and this will block access to /proc and /sys, which will cause
844 * get_number_of_cpus() to get incorrect fallback values. */
845 get_number_of_cpus(l);
846
847 try_setup_from_config(l, config);
2
Calling 'try_setup_from_config'
848
849 if (!l->headers.len)
850 build_response_headers(l, config->global_headers);
851
852 lwan_response_init(l);
853
854 /* Continue initialization as normal. */
855 lwan_status_debug("Initializing lwan web server")lwan_status_debug_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 855, __FUNCTION__, "Initializing lwan web server")
;
856
857 if (!l->config.n_threads) {
858 l->thread.count = l->online_cpus;
859 if (l->thread.count == 1)
860 l->thread.count = 2;
861 } else if (l->config.n_threads > 3 * l->online_cpus) {
862 l->thread.count = l->online_cpus * 3;
863
864 lwan_status_warning("%d threads requested, but only %d online CPUs "lwan_status_warning_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 867, __FUNCTION__, "%d threads requested, but only %d online CPUs "
"(out of %d configured CPUs); capping to %d threads", l->
config.n_threads, l->online_cpus, l->available_cpus, 3 *
l->online_cpus)
865 "(out of %d configured CPUs); capping to %d threads",lwan_status_warning_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 867, __FUNCTION__, "%d threads requested, but only %d online CPUs "
"(out of %d configured CPUs); capping to %d threads", l->
config.n_threads, l->online_cpus, l->available_cpus, 3 *
l->online_cpus)
866 l->config.n_threads, l->online_cpus, l->available_cpus,lwan_status_warning_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 867, __FUNCTION__, "%d threads requested, but only %d online CPUs "
"(out of %d configured CPUs); capping to %d threads", l->
config.n_threads, l->online_cpus, l->available_cpus, 3 *
l->online_cpus)
867 3 * l->online_cpus)lwan_status_warning_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 867, __FUNCTION__, "%d threads requested, but only %d online CPUs "
"(out of %d configured CPUs); capping to %d threads", l->
config.n_threads, l->online_cpus, l->available_cpus, 3 *
l->online_cpus)
;
868 } else if (l->config.n_threads > 255) {
869 l->thread.count = 256;
870
871 lwan_status_warning("%d threads requested, but max 256 supported",lwan_status_warning_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 872, __FUNCTION__, "%d threads requested, but max 256 supported"
, l->config.n_threads)
872 l->config.n_threads)lwan_status_warning_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 872, __FUNCTION__, "%d threads requested, but max 256 supported"
, l->config.n_threads)
;
873 } else {
874 l->thread.count = l->config.n_threads;
875 }
876
877 rlim_t max_open_files = setup_open_file_count_limits();
878 allocate_connections(l, (size_t)max_open_files);
879
880 l->thread.max_fd = (unsigned)max_open_files / (unsigned)l->thread.count;
881 lwan_status_info("Using %d threads, maximum %d sockets per thread",lwan_status_info_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 882, __FUNCTION__, "Using %d threads, maximum %d sockets per thread"
, l->thread.count, l->thread.max_fd)
882 l->thread.count, l->thread.max_fd)lwan_status_info_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 882, __FUNCTION__, "Using %d threads, maximum %d sockets per thread"
, l->thread.count, l->thread.max_fd)
;
883
884 signal(SIGPIPE13, SIG_IGN((__sighandler_t) 1));
885
886 lwan_readahead_init();
887 lwan_thread_init(l);
888 lwan_http_authorize_init();
889}
890
891void lwan_shutdown(struct lwan *l)
892{
893 lwan_status_info("Shutting down")lwan_status_info_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 893, __FUNCTION__, "Shutting down")
;
894
895 free(l->config.listener);
896 free(l->config.error_template);
897 free(l->config.config_file_path);
898
899 lwan_always_bzero(l->config.ssl.cert, strlen(l->config.ssl.cert));
900 free(l->config.ssl.cert);
901 lwan_always_bzero(l->config.ssl.key, strlen(l->config.ssl.key));
902 free(l->config.ssl.key);
903
904 lwan_job_thread_shutdown();
905 lwan_thread_shutdown(l);
906
907 lwan_status_debug("Shutting down URL handlers")lwan_status_debug_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 907, __FUNCTION__, "Shutting down URL handlers")
;
908 lwan_trie_destroy(&l->url_map_trie);
909
910 free(l->headers.value);
911 free(l->conns);
912
913 lwan_response_shutdown(l);
914 lwan_tables_shutdown();
915 lwan_status_shutdown(l);
916 lwan_http_authorize_shutdown();
917 lwan_readahead_shutdown();
918}
919
920void lwan_main_loop(struct lwan *l)
921{
922 lwan_status_info("Ready to serve")lwan_status_info_debug("/home/buildbot/lwan-worker/clang-analyze/build/src/lib/lwan.c"
, 922, __FUNCTION__, "Ready to serve")
;
923
924 lwan_job_thread_main_loop();
925}
926
927#ifdef CLOCK_MONOTONIC_COARSE6
928__attribute__((constructor)) static void detect_fastest_monotonic_clock(void)
929{
930 struct timespec ts;
931
932 if (!clock_gettime(CLOCK_MONOTONIC_COARSE6, &ts))
933 monotonic_clock_id = CLOCK_MONOTONIC_COARSE6;
934}
935#endif
936
937void lwan_set_thread_name(const char *name)
938{
939 char thread_name[16];
940 char process_name[PATH_MAX4096];
941 char *tmp;
942 int ret;
943
944 if (proc_pidpath(getpid(), process_name, sizeof(process_name)) < 0)
945 return;
946
947 tmp = strrchr(process_name, '/');
948 if (!tmp)
949 return;
950
951 ret = snprintf(thread_name, sizeof(thread_name), "%s %s", tmp + 1, name);
952 if (ret < 0)
953 return;
954
955 pthread_set_name_np(pthread_self(), thread_name);
956}