1//===-- sanitizer_platform_limits_openbsd.cpp -----------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file is a part of Sanitizer common code.
10//
11// Sizes and layouts of platform-specific NetBSD data structures.
12//===----------------------------------------------------------------------===//
13
14#include "sanitizer_platform.h"
15
16#if SANITIZER_OPENBSD
17#include <arpa/inet.h>
18#include <dirent.h>
19#include <glob.h>
20#include <grp.h>
21#include <ifaddrs.h>
22#include <limits.h>
23#include <link_elf.h>
24#include <sys/socket.h>
25#include <net/if.h>
26#include <net/ppp_defs.h>
27#include <net/route.h>
28#include <netdb.h>
29#include <netinet/in.h>
30#include <netinet/ip_mroute.h>
31#include <poll.h>
32#include <pthread.h>
33#include <pwd.h>
34#include <semaphore.h>
35#include <signal.h>
36#include <soundcard.h>
37#include <stddef.h>
38#include <stdint.h>
39#include <sys/filio.h>
40#include <sys/ipc.h>
41#include <sys/mman.h>
42#include <sys/mount.h>
43#include <sys/msg.h>
44#include <sys/mtio.h>
45#include <sys/ptrace.h>
46#include <sys/resource.h>
47#include <sys/shm.h>
48#include <sys/signal.h>
49#include <sys/sockio.h>
50#include <sys/stat.h>
51#include <sys/statvfs.h>
52#include <sys/time.h>
53#include <sys/times.h>
54#include <sys/types.h>
55#include <sys/utsname.h>
56#include <term.h>
57#include <time.h>
58#include <utime.h>
59#include <utmp.h>
60#include <wchar.h>
61
62// Include these after system headers to avoid name clashes and ambiguities.
63#include "sanitizer_internal_defs.h"
64#include "sanitizer_platform_limits_openbsd.h"
65
66namespace __sanitizer {
67unsigned struct_utsname_sz = sizeof(struct utsname);
68unsigned struct_stat_sz = sizeof(struct stat);
69unsigned struct_rusage_sz = sizeof(struct rusage);
70unsigned struct_tm_sz = sizeof(struct tm);
71unsigned struct_passwd_sz = sizeof(struct passwd);
72unsigned struct_group_sz = sizeof(struct group);
73unsigned siginfo_t_sz = sizeof(siginfo_t);
74unsigned struct_sigaction_sz = sizeof(struct sigaction);
75unsigned struct_itimerval_sz = sizeof(struct itimerval);
76unsigned pthread_t_sz = sizeof(pthread_t);
77unsigned pthread_mutex_t_sz = sizeof(pthread_mutex_t);
78unsigned pthread_cond_t_sz = sizeof(pthread_cond_t);
79unsigned pid_t_sz = sizeof(pid_t);
80unsigned timeval_sz = sizeof(timeval);
81unsigned uid_t_sz = sizeof(uid_t);
82unsigned gid_t_sz = sizeof(gid_t);
83unsigned mbstate_t_sz = sizeof(mbstate_t);
84unsigned sigset_t_sz = sizeof(sigset_t);
85unsigned struct_timezone_sz = sizeof(struct timezone);
86unsigned struct_tms_sz = sizeof(struct tms);
87unsigned struct_sched_param_sz = sizeof(struct sched_param);
88unsigned struct_sockaddr_sz = sizeof(struct sockaddr);
89unsigned struct_rlimit_sz = sizeof(struct rlimit);
90unsigned struct_timespec_sz = sizeof(struct timespec);
91unsigned struct_utimbuf_sz = sizeof(struct utimbuf);
92unsigned struct_itimerspec_sz = sizeof(struct itimerspec);
93unsigned struct_msqid_ds_sz = sizeof(struct msqid_ds);
94unsigned struct_statvfs_sz = sizeof(struct statvfs);
95
96const uptr sig_ign = (uptr)SIG_IGN;
97const uptr sig_dfl = (uptr)SIG_DFL;
98const uptr sig_err = (uptr)SIG_ERR;
99const uptr sa_siginfo = (uptr)SA_SIGINFO;
100
101int shmctl_ipc_stat = (int)IPC_STAT;
102
103unsigned struct_utmp_sz = sizeof(struct utmp);
104
105int map_fixed = MAP_FIXED;
106
107int af_inet = (int)AF_INET;
108int af_inet6 = (int)AF_INET6;
109
110uptr __sanitizer_in_addr_sz(int af) {
111  if (af == AF_INET)
112    return sizeof(struct in_addr);
113  else if (af == AF_INET6)
114    return sizeof(struct in6_addr);
115  else
116    return 0;
117}
118
119unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
120
121int glob_nomatch = GLOB_NOMATCH;
122int glob_altdirfunc = GLOB_ALTDIRFUNC;
123
124unsigned path_max = PATH_MAX;
125
126const int si_SEGV_MAPERR = SEGV_MAPERR;
127const int si_SEGV_ACCERR = SEGV_ACCERR;
128}  // namespace __sanitizer
129
130using namespace __sanitizer;
131
132COMPILER_CHECK(sizeof(__sanitizer_pthread_attr_t) >= sizeof(pthread_attr_t));
133
134COMPILER_CHECK(sizeof(socklen_t) == sizeof(unsigned));
135CHECK_TYPE_SIZE(pthread_key_t);
136
137CHECK_TYPE_SIZE(dl_phdr_info);
138CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_addr);
139CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_name);
140CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phdr);
141CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phnum);
142
143CHECK_TYPE_SIZE(glob_t);
144CHECK_SIZE_AND_OFFSET(glob_t, gl_pathc);
145CHECK_SIZE_AND_OFFSET(glob_t, gl_pathv);
146CHECK_SIZE_AND_OFFSET(glob_t, gl_offs);
147CHECK_SIZE_AND_OFFSET(glob_t, gl_flags);
148CHECK_SIZE_AND_OFFSET(glob_t, gl_closedir);
149CHECK_SIZE_AND_OFFSET(glob_t, gl_readdir);
150CHECK_SIZE_AND_OFFSET(glob_t, gl_opendir);
151CHECK_SIZE_AND_OFFSET(glob_t, gl_lstat);
152CHECK_SIZE_AND_OFFSET(glob_t, gl_stat);
153
154CHECK_TYPE_SIZE(addrinfo);
155CHECK_SIZE_AND_OFFSET(addrinfo, ai_flags);
156CHECK_SIZE_AND_OFFSET(addrinfo, ai_family);
157CHECK_SIZE_AND_OFFSET(addrinfo, ai_socktype);
158CHECK_SIZE_AND_OFFSET(addrinfo, ai_protocol);
159CHECK_SIZE_AND_OFFSET(addrinfo, ai_addrlen);
160CHECK_SIZE_AND_OFFSET(addrinfo, ai_addr);
161CHECK_SIZE_AND_OFFSET(addrinfo, ai_canonname);
162CHECK_SIZE_AND_OFFSET(addrinfo, ai_next);
163
164CHECK_TYPE_SIZE(hostent);
165CHECK_SIZE_AND_OFFSET(hostent, h_name);
166CHECK_SIZE_AND_OFFSET(hostent, h_aliases);
167CHECK_SIZE_AND_OFFSET(hostent, h_addrtype);
168CHECK_SIZE_AND_OFFSET(hostent, h_length);
169CHECK_SIZE_AND_OFFSET(hostent, h_addr_list);
170
171CHECK_TYPE_SIZE(iovec);
172CHECK_SIZE_AND_OFFSET(iovec, iov_base);
173CHECK_SIZE_AND_OFFSET(iovec, iov_len);
174
175CHECK_TYPE_SIZE(msghdr);
176CHECK_SIZE_AND_OFFSET(msghdr, msg_name);
177CHECK_SIZE_AND_OFFSET(msghdr, msg_namelen);
178CHECK_SIZE_AND_OFFSET(msghdr, msg_iov);
179CHECK_SIZE_AND_OFFSET(msghdr, msg_iovlen);
180CHECK_SIZE_AND_OFFSET(msghdr, msg_control);
181CHECK_SIZE_AND_OFFSET(msghdr, msg_controllen);
182CHECK_SIZE_AND_OFFSET(msghdr, msg_flags);
183
184CHECK_TYPE_SIZE(cmsghdr);
185CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_len);
186CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_level);
187CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_type);
188
189COMPILER_CHECK(sizeof(__sanitizer_dirent) <= sizeof(dirent));
190CHECK_SIZE_AND_OFFSET(dirent, d_fileno);
191CHECK_SIZE_AND_OFFSET(dirent, d_off);
192CHECK_SIZE_AND_OFFSET(dirent, d_reclen);
193
194CHECK_TYPE_SIZE(ifconf);
195CHECK_SIZE_AND_OFFSET(ifconf, ifc_len);
196CHECK_SIZE_AND_OFFSET(ifconf, ifc_ifcu);
197
198CHECK_TYPE_SIZE(pollfd);
199CHECK_SIZE_AND_OFFSET(pollfd, fd);
200CHECK_SIZE_AND_OFFSET(pollfd, events);
201CHECK_SIZE_AND_OFFSET(pollfd, revents);
202
203CHECK_TYPE_SIZE(nfds_t);
204
205CHECK_TYPE_SIZE(sigset_t);
206
207COMPILER_CHECK(sizeof(__sanitizer_sigaction) == sizeof(struct sigaction));
208// Can't write checks for sa_handler and sa_sigaction due to them being
209// preprocessor macros.
210CHECK_STRUCT_SIZE_AND_OFFSET(sigaction, sa_mask);
211
212CHECK_TYPE_SIZE(tm);
213CHECK_SIZE_AND_OFFSET(tm, tm_sec);
214CHECK_SIZE_AND_OFFSET(tm, tm_min);
215CHECK_SIZE_AND_OFFSET(tm, tm_hour);
216CHECK_SIZE_AND_OFFSET(tm, tm_mday);
217CHECK_SIZE_AND_OFFSET(tm, tm_mon);
218CHECK_SIZE_AND_OFFSET(tm, tm_year);
219CHECK_SIZE_AND_OFFSET(tm, tm_wday);
220CHECK_SIZE_AND_OFFSET(tm, tm_yday);
221CHECK_SIZE_AND_OFFSET(tm, tm_isdst);
222CHECK_SIZE_AND_OFFSET(tm, tm_gmtoff);
223CHECK_SIZE_AND_OFFSET(tm, tm_zone);
224
225CHECK_TYPE_SIZE(ipc_perm);
226CHECK_SIZE_AND_OFFSET(ipc_perm, cuid);
227CHECK_SIZE_AND_OFFSET(ipc_perm, cgid);
228CHECK_SIZE_AND_OFFSET(ipc_perm, uid);
229CHECK_SIZE_AND_OFFSET(ipc_perm, gid);
230CHECK_SIZE_AND_OFFSET(ipc_perm, mode);
231CHECK_SIZE_AND_OFFSET(ipc_perm, seq);
232CHECK_SIZE_AND_OFFSET(ipc_perm, key);
233
234CHECK_TYPE_SIZE(shmid_ds);
235CHECK_SIZE_AND_OFFSET(shmid_ds, shm_perm);
236CHECK_SIZE_AND_OFFSET(shmid_ds, shm_segsz);
237CHECK_SIZE_AND_OFFSET(shmid_ds, shm_atime);
238CHECK_SIZE_AND_OFFSET(shmid_ds, __shm_atimensec);
239CHECK_SIZE_AND_OFFSET(shmid_ds, shm_dtime);
240CHECK_SIZE_AND_OFFSET(shmid_ds, __shm_dtimensec);
241CHECK_SIZE_AND_OFFSET(shmid_ds, shm_ctime);
242CHECK_SIZE_AND_OFFSET(shmid_ds, __shm_ctimensec);
243CHECK_SIZE_AND_OFFSET(shmid_ds, shm_cpid);
244CHECK_SIZE_AND_OFFSET(shmid_ds, shm_lpid);
245CHECK_SIZE_AND_OFFSET(shmid_ds, shm_nattch);
246
247CHECK_TYPE_SIZE(clock_t);
248
249CHECK_TYPE_SIZE(ifaddrs);
250CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_next);
251CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_name);
252CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_addr);
253CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_netmask);
254// Compare against the union, because we can't reach into the union in a
255// compliant way.
256#ifdef ifa_dstaddr
257#undef ifa_dstaddr
258#endif
259CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_dstaddr);
260CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_data);
261
262CHECK_TYPE_SIZE(passwd);
263CHECK_SIZE_AND_OFFSET(passwd, pw_name);
264CHECK_SIZE_AND_OFFSET(passwd, pw_passwd);
265CHECK_SIZE_AND_OFFSET(passwd, pw_uid);
266CHECK_SIZE_AND_OFFSET(passwd, pw_gid);
267CHECK_SIZE_AND_OFFSET(passwd, pw_dir);
268CHECK_SIZE_AND_OFFSET(passwd, pw_shell);
269
270CHECK_SIZE_AND_OFFSET(passwd, pw_gecos);
271
272CHECK_TYPE_SIZE(group);
273CHECK_SIZE_AND_OFFSET(group, gr_name);
274CHECK_SIZE_AND_OFFSET(group, gr_passwd);
275CHECK_SIZE_AND_OFFSET(group, gr_gid);
276CHECK_SIZE_AND_OFFSET(group, gr_mem);
277
278#endif  // SANITIZER_OPENBSD
279