libsanitizer/sanitizer_common/sanitizer_platform_limits_openbsd.cpp

   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
  66 namespace __sanitizer {
  67 unsigned struct_utsname_sz = sizeof(struct utsname);
  68 unsigned struct_stat_sz = sizeof(struct stat);
  69 unsigned struct_rusage_sz = sizeof(struct rusage);
  70 unsigned struct_tm_sz = sizeof(struct tm);
  71 unsigned struct_passwd_sz = sizeof(struct passwd);
  72 unsigned struct_group_sz = sizeof(struct group);
  73 unsigned siginfo_t_sz = sizeof(siginfo_t);
  74 unsigned struct_sigaction_sz = sizeof(struct sigaction);
  75 unsigned struct_itimerval_sz = sizeof(struct itimerval);
  76 unsigned pthread_t_sz = sizeof(pthread_t);
  77 unsigned pthread_mutex_t_sz = sizeof(pthread_mutex_t);
  78 unsigned pthread_cond_t_sz = sizeof(pthread_cond_t);
  79 unsigned pid_t_sz = sizeof(pid_t);
  80 unsigned timeval_sz = sizeof(timeval);
  81 unsigned uid_t_sz = sizeof(uid_t);
  82 unsigned gid_t_sz = sizeof(gid_t);
  83 unsigned mbstate_t_sz = sizeof(mbstate_t);
  84 unsigned sigset_t_sz = sizeof(sigset_t);
  85 unsigned struct_timezone_sz = sizeof(struct timezone);
  86 unsigned struct_tms_sz = sizeof(struct tms);
  87 unsigned struct_sched_param_sz = sizeof(struct sched_param);
  88 unsigned struct_sockaddr_sz = sizeof(struct sockaddr);
  89 unsigned struct_rlimit_sz = sizeof(struct rlimit);
  90 unsigned struct_timespec_sz = sizeof(struct timespec);
  91 unsigned struct_utimbuf_sz = sizeof(struct utimbuf);
  92 unsigned struct_itimerspec_sz = sizeof(struct itimerspec);
  93 unsigned struct_msqid_ds_sz = sizeof(struct msqid_ds);
  94 unsigned struct_statvfs_sz = sizeof(struct statvfs);
  95
  96 const uptr sig_ign = (uptr)SIG_IGN;
  97 const uptr sig_dfl = (uptr)SIG_DFL;
  98 const uptr sig_err = (uptr)SIG_ERR;
  99 const uptr sa_siginfo = (uptr)SA_SIGINFO;
 100
 101 int shmctl_ipc_stat = (int)IPC_STAT;
 102
 103 unsigned struct_utmp_sz = sizeof(struct utmp);
 104
 105 int map_fixed = MAP_FIXED;
 106
 107 int af_inet = (int)AF_INET;
 108 int af_inet6 = (int)AF_INET6;
 109
 110 uptr __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
 119 unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
 120
 121 int glob_nomatch = GLOB_NOMATCH;
 122 int glob_altdirfunc = GLOB_ALTDIRFUNC;
 123
 124 unsigned path_max = PATH_MAX;
 125
 126 const int si_SEGV_MAPERR = SEGV_MAPERR;
 127 const int si_SEGV_ACCERR = SEGV_ACCERR;
 128 }  // namespace __sanitizer
 129
 130 using namespace __sanitizer;
 131
 132 COMPILER_CHECK(sizeof(__sanitizer_pthread_attr_t) >= sizeof(pthread_attr_t));
 133
 134 COMPILER_CHECK(sizeof(socklen_t) == sizeof(unsigned));
 135 CHECK_TYPE_SIZE(pthread_key_t);
 136
 137 CHECK_TYPE_SIZE(dl_phdr_info);
 138 CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_addr);
 139 CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_name);
 140 CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phdr);
 141 CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phnum);
 142
 143 CHECK_TYPE_SIZE(glob_t);
 144 CHECK_SIZE_AND_OFFSET(glob_t, gl_pathc);
 145 CHECK_SIZE_AND_OFFSET(glob_t, gl_pathv);
 146 CHECK_SIZE_AND_OFFSET(glob_t, gl_offs);
 147 CHECK_SIZE_AND_OFFSET(glob_t, gl_flags);
 148 CHECK_SIZE_AND_OFFSET(glob_t, gl_closedir);
 149 CHECK_SIZE_AND_OFFSET(glob_t, gl_readdir);
 150 CHECK_SIZE_AND_OFFSET(glob_t, gl_opendir);
 151 CHECK_SIZE_AND_OFFSET(glob_t, gl_lstat);
 152 CHECK_SIZE_AND_OFFSET(glob_t, gl_stat);
 153
 154 CHECK_TYPE_SIZE(addrinfo);
 155 CHECK_SIZE_AND_OFFSET(addrinfo, ai_flags);
 156 CHECK_SIZE_AND_OFFSET(addrinfo, ai_family);
 157 CHECK_SIZE_AND_OFFSET(addrinfo, ai_socktype);
 158 CHECK_SIZE_AND_OFFSET(addrinfo, ai_protocol);
 159 CHECK_SIZE_AND_OFFSET(addrinfo, ai_addrlen);
 160 CHECK_SIZE_AND_OFFSET(addrinfo, ai_addr);
 161 CHECK_SIZE_AND_OFFSET(addrinfo, ai_canonname);
 162 CHECK_SIZE_AND_OFFSET(addrinfo, ai_next);
 163
 164 CHECK_TYPE_SIZE(hostent);
 165 CHECK_SIZE_AND_OFFSET(hostent, h_name);
 166 CHECK_SIZE_AND_OFFSET(hostent, h_aliases);
 167 CHECK_SIZE_AND_OFFSET(hostent, h_addrtype);
 168 CHECK_SIZE_AND_OFFSET(hostent, h_length);
 169 CHECK_SIZE_AND_OFFSET(hostent, h_addr_list);
 170
 171 CHECK_TYPE_SIZE(iovec);
 172 CHECK_SIZE_AND_OFFSET(iovec, iov_base);
 173 CHECK_SIZE_AND_OFFSET(iovec, iov_len);
 174
 175 CHECK_TYPE_SIZE(msghdr);
 176 CHECK_SIZE_AND_OFFSET(msghdr, msg_name);
 177 CHECK_SIZE_AND_OFFSET(msghdr, msg_namelen);
 178 CHECK_SIZE_AND_OFFSET(msghdr, msg_iov);
 179 CHECK_SIZE_AND_OFFSET(msghdr, msg_iovlen);
 180 CHECK_SIZE_AND_OFFSET(msghdr, msg_control);
 181 CHECK_SIZE_AND_OFFSET(msghdr, msg_controllen);
 182 CHECK_SIZE_AND_OFFSET(msghdr, msg_flags);
 183
 184 CHECK_TYPE_SIZE(cmsghdr);
 185 CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_len);
 186 CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_level);
 187 CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_type);
 188
 189 COMPILER_CHECK(sizeof(__sanitizer_dirent) <= sizeof(dirent));
 190 CHECK_SIZE_AND_OFFSET(dirent, d_fileno);
 191 CHECK_SIZE_AND_OFFSET(dirent, d_off);
 192 CHECK_SIZE_AND_OFFSET(dirent, d_reclen);
 193
 194 CHECK_TYPE_SIZE(ifconf);
 195 CHECK_SIZE_AND_OFFSET(ifconf, ifc_len);
 196 CHECK_SIZE_AND_OFFSET(ifconf, ifc_ifcu);
 197
 198 CHECK_TYPE_SIZE(pollfd);
 199 CHECK_SIZE_AND_OFFSET(pollfd, fd);
 200 CHECK_SIZE_AND_OFFSET(pollfd, events);
 201 CHECK_SIZE_AND_OFFSET(pollfd, revents);
 202
 203 CHECK_TYPE_SIZE(nfds_t);
 204
 205 CHECK_TYPE_SIZE(sigset_t);
 206
 207 COMPILER_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.
 210 CHECK_STRUCT_SIZE_AND_OFFSET(sigaction, sa_mask);
 211
 212 CHECK_TYPE_SIZE(tm);
 213 CHECK_SIZE_AND_OFFSET(tm, tm_sec);
 214 CHECK_SIZE_AND_OFFSET(tm, tm_min);
 215 CHECK_SIZE_AND_OFFSET(tm, tm_hour);
 216 CHECK_SIZE_AND_OFFSET(tm, tm_mday);
 217 CHECK_SIZE_AND_OFFSET(tm, tm_mon);
 218 CHECK_SIZE_AND_OFFSET(tm, tm_year);
 219 CHECK_SIZE_AND_OFFSET(tm, tm_wday);
 220 CHECK_SIZE_AND_OFFSET(tm, tm_yday);
 221 CHECK_SIZE_AND_OFFSET(tm, tm_isdst);
 222 CHECK_SIZE_AND_OFFSET(tm, tm_gmtoff);
 223 CHECK_SIZE_AND_OFFSET(tm, tm_zone);
 224
 225 CHECK_TYPE_SIZE(ipc_perm);
 226 CHECK_SIZE_AND_OFFSET(ipc_perm, cuid);
 227 CHECK_SIZE_AND_OFFSET(ipc_perm, cgid);
 228 CHECK_SIZE_AND_OFFSET(ipc_perm, uid);
 229 CHECK_SIZE_AND_OFFSET(ipc_perm, gid);
 230 CHECK_SIZE_AND_OFFSET(ipc_perm, mode);
 231 CHECK_SIZE_AND_OFFSET(ipc_perm, seq);
 232 CHECK_SIZE_AND_OFFSET(ipc_perm, key);
 233
 234 CHECK_TYPE_SIZE(shmid_ds);
 235 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_perm);
 236 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_segsz);
 237 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_atime);
 238 CHECK_SIZE_AND_OFFSET(shmid_ds, __shm_atimensec);
 239 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_dtime);
 240 CHECK_SIZE_AND_OFFSET(shmid_ds, __shm_dtimensec);
 241 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_ctime);
 242 CHECK_SIZE_AND_OFFSET(shmid_ds, __shm_ctimensec);
 243 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_cpid);
 244 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_lpid);
 245 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_nattch);
 246
 247 CHECK_TYPE_SIZE(clock_t);
 248
 249 CHECK_TYPE_SIZE(ifaddrs);
 250 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_next);
 251 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_name);
 252 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_addr);
 253 CHECK_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
 259 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_dstaddr);
 260 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_data);
 261
 262 CHECK_TYPE_SIZE(passwd);
 263 CHECK_SIZE_AND_OFFSET(passwd, pw_name);
 264 CHECK_SIZE_AND_OFFSET(passwd, pw_passwd);
 265 CHECK_SIZE_AND_OFFSET(passwd, pw_uid);
 266 CHECK_SIZE_AND_OFFSET(passwd, pw_gid);
 267 CHECK_SIZE_AND_OFFSET(passwd, pw_dir);
 268 CHECK_SIZE_AND_OFFSET(passwd, pw_shell);
 269
 270 CHECK_SIZE_AND_OFFSET(passwd, pw_gecos);
 271
 272 CHECK_TYPE_SIZE(group);
 273 CHECK_SIZE_AND_OFFSET(group, gr_name);
 274 CHECK_SIZE_AND_OFFSET(group, gr_passwd);
 275 CHECK_SIZE_AND_OFFSET(group, gr_gid);
 276 CHECK_SIZE_AND_OFFSET(group, gr_mem);
 277
 278 #endif  // SANITIZER_OPENBSD