1 //===-- sanitizer_platform_limits_solaris.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 Solaris data structures. 12 //===----------------------------------------------------------------------===// 13 14 #include "sanitizer_platform.h" 15 16 #if SANITIZER_SOLARIS 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.h> 24 #include <net/if.h> 25 #include <net/route.h> 26 #include <netdb.h> 27 #include <netinet/ip_mroute.h> 28 #include <poll.h> 29 #include <pthread.h> 30 #include <pwd.h> 31 #include <rpc/xdr.h> 32 #include <semaphore.h> 33 #include <signal.h> 34 #include <stddef.h> 35 #include <stdio.h> 36 #include <sys/ethernet.h> 37 #include <sys/filio.h> 38 #include <sys/ipc.h> 39 #include <sys/mman.h> 40 #include <sys/mount.h> 41 #include <sys/mtio.h> 42 #include <sys/ptyvar.h> 43 #include <sys/resource.h> 44 #include <sys/shm.h> 45 #include <sys/socket.h> 46 #include <sys/sockio.h> 47 #include <sys/stat.h> 48 #include <sys/statfs.h> 49 #include <sys/statvfs.h> 50 #include <sys/time.h> 51 #include <sys/timeb.h> 52 #include <sys/times.h> 53 #include <sys/types.h> 54 #include <sys/utsname.h> 55 #include <termios.h> 56 #include <time.h> 57 #include <utmp.h> 58 #include <utmpx.h> 59 #include <wchar.h> 60 #include <wordexp.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_solaris.h" 65 66 namespace __sanitizer { 67 unsigned struct_utsname_sz = sizeof(struct utsname); 68 unsigned struct_stat_sz = sizeof(struct stat); 69 unsigned struct_stat64_sz = sizeof(struct stat64); 70 unsigned struct_rusage_sz = sizeof(struct rusage); 71 unsigned struct_tm_sz = sizeof(struct tm); 72 unsigned struct_passwd_sz = sizeof(struct passwd); 73 unsigned struct_group_sz = sizeof(struct group); 74 unsigned siginfo_t_sz = sizeof(siginfo_t); 75 unsigned struct_sigaction_sz = sizeof(struct sigaction); 76 unsigned struct_stack_t_sz = sizeof(stack_t); 77 unsigned struct_itimerval_sz = sizeof(struct itimerval); 78 unsigned pthread_t_sz = sizeof(pthread_t); 79 unsigned pthread_mutex_t_sz = sizeof(pthread_mutex_t); 80 unsigned pthread_cond_t_sz = sizeof(pthread_cond_t); 81 unsigned pid_t_sz = sizeof(pid_t); 82 unsigned timeval_sz = sizeof(timeval); 83 unsigned uid_t_sz = sizeof(uid_t); 84 unsigned gid_t_sz = sizeof(gid_t); 85 unsigned mbstate_t_sz = sizeof(mbstate_t); 86 unsigned sigset_t_sz = sizeof(sigset_t); 87 unsigned struct_timezone_sz = sizeof(struct timezone); 88 unsigned struct_tms_sz = sizeof(struct tms); 89 unsigned struct_sigevent_sz = sizeof(struct sigevent); 90 unsigned struct_sched_param_sz = sizeof(struct sched_param); 91 unsigned struct_statfs_sz = sizeof(struct statfs); 92 unsigned struct_sockaddr_sz = sizeof(struct sockaddr); 93 unsigned ucontext_t_sz(void *ctx) { return sizeof(ucontext_t); } 94 unsigned struct_timespec_sz = sizeof(struct timespec); 95 #if SANITIZER_SOLARIS32 96 unsigned struct_statvfs64_sz = sizeof(struct statvfs64); 97 #endif 98 unsigned struct_statvfs_sz = sizeof(struct statvfs); 99 100 const uptr sig_ign = (uptr)SIG_IGN; 101 const uptr sig_dfl = (uptr)SIG_DFL; 102 const uptr sig_err = (uptr)SIG_ERR; 103 const uptr sa_siginfo = (uptr)SA_SIGINFO; 104 105 int shmctl_ipc_stat = (int)IPC_STAT; 106 107 unsigned struct_utmp_sz = sizeof(struct utmp); 108 unsigned struct_utmpx_sz = sizeof(struct utmpx); 109 110 int map_fixed = MAP_FIXED; 111 112 int af_inet = (int)AF_INET; 113 int af_inet6 = (int)AF_INET6; 114 115 uptr __sanitizer_in_addr_sz(int af) { 116 if (af == AF_INET) 117 return sizeof(struct in_addr); 118 else if (af == AF_INET6) 119 return sizeof(struct in6_addr); 120 else 121 return 0; 122 } 123 124 unsigned struct_ElfW_Phdr_sz = sizeof(ElfW(Phdr)); 125 126 int glob_nomatch = GLOB_NOMATCH; 127 const int wordexp_wrde_dooffs = WRDE_DOOFFS; 128 129 unsigned path_max = PATH_MAX; 130 131 // ioctl arguments 132 unsigned struct_ifreq_sz = sizeof(struct ifreq); 133 unsigned struct_termios_sz = sizeof(struct termios); 134 unsigned struct_winsize_sz = sizeof(struct winsize); 135 136 unsigned struct_sioc_sg_req_sz = sizeof(struct sioc_sg_req); 137 unsigned struct_sioc_vif_req_sz = sizeof(struct sioc_vif_req); 138 139 unsigned fpos_t_sz = sizeof(fpos_t); 140 141 const unsigned IOCTL_NOT_PRESENT = 0; 142 143 unsigned IOCTL_FIOASYNC = FIOASYNC; 144 unsigned IOCTL_FIOCLEX = FIOCLEX; 145 unsigned IOCTL_FIOGETOWN = FIOGETOWN; 146 unsigned IOCTL_FIONBIO = FIONBIO; 147 unsigned IOCTL_FIONCLEX = FIONCLEX; 148 unsigned IOCTL_FIOSETOWN = FIOSETOWN; 149 unsigned IOCTL_SIOCADDMULTI = SIOCADDMULTI; 150 unsigned IOCTL_SIOCATMARK = SIOCATMARK; 151 unsigned IOCTL_SIOCDELMULTI = SIOCDELMULTI; 152 unsigned IOCTL_SIOCGIFADDR = SIOCGIFADDR; 153 unsigned IOCTL_SIOCGIFBRDADDR = SIOCGIFBRDADDR; 154 unsigned IOCTL_SIOCGIFCONF = SIOCGIFCONF; 155 unsigned IOCTL_SIOCGIFDSTADDR = SIOCGIFDSTADDR; 156 unsigned IOCTL_SIOCGIFFLAGS = SIOCGIFFLAGS; 157 unsigned IOCTL_SIOCGIFMETRIC = SIOCGIFMETRIC; 158 unsigned IOCTL_SIOCGIFMTU = SIOCGIFMTU; 159 unsigned IOCTL_SIOCGIFNETMASK = SIOCGIFNETMASK; 160 unsigned IOCTL_SIOCGPGRP = SIOCGPGRP; 161 unsigned IOCTL_SIOCSIFADDR = SIOCSIFADDR; 162 unsigned IOCTL_SIOCSIFBRDADDR = SIOCSIFBRDADDR; 163 unsigned IOCTL_SIOCSIFDSTADDR = SIOCSIFDSTADDR; 164 unsigned IOCTL_SIOCSIFFLAGS = SIOCSIFFLAGS; 165 unsigned IOCTL_SIOCSIFMETRIC = SIOCSIFMETRIC; 166 unsigned IOCTL_SIOCSIFMTU = SIOCSIFMTU; 167 unsigned IOCTL_SIOCSIFNETMASK = SIOCSIFNETMASK; 168 unsigned IOCTL_SIOCSPGRP = SIOCSPGRP; 169 unsigned IOCTL_TIOCEXCL = TIOCEXCL; 170 unsigned IOCTL_TIOCGETD = TIOCGETD; 171 unsigned IOCTL_TIOCGPGRP = TIOCGPGRP; 172 unsigned IOCTL_TIOCGWINSZ = TIOCGWINSZ; 173 unsigned IOCTL_TIOCMBIC = TIOCMBIC; 174 unsigned IOCTL_TIOCMBIS = TIOCMBIS; 175 unsigned IOCTL_TIOCMGET = TIOCMGET; 176 unsigned IOCTL_TIOCMSET = TIOCMSET; 177 unsigned IOCTL_TIOCNOTTY = TIOCNOTTY; 178 unsigned IOCTL_TIOCNXCL = TIOCNXCL; 179 unsigned IOCTL_TIOCOUTQ = TIOCOUTQ; 180 unsigned IOCTL_TIOCPKT = TIOCPKT; 181 unsigned IOCTL_TIOCSCTTY = TIOCSCTTY; 182 unsigned IOCTL_TIOCSETD = TIOCSETD; 183 unsigned IOCTL_TIOCSPGRP = TIOCSPGRP; 184 unsigned IOCTL_TIOCSTI = TIOCSTI; 185 unsigned IOCTL_TIOCSWINSZ = TIOCSWINSZ; 186 187 unsigned IOCTL_MTIOCGET = MTIOCGET; 188 unsigned IOCTL_MTIOCTOP = MTIOCTOP; 189 190 const int si_SEGV_MAPERR = SEGV_MAPERR; 191 const int si_SEGV_ACCERR = SEGV_ACCERR; 192 } // namespace __sanitizer 193 194 using namespace __sanitizer; 195 196 COMPILER_CHECK(sizeof(__sanitizer_pthread_attr_t) >= sizeof(pthread_attr_t)); 197 198 COMPILER_CHECK(sizeof(socklen_t) == sizeof(unsigned)); 199 CHECK_TYPE_SIZE(pthread_key_t); 200 201 // There are more undocumented fields in dl_phdr_info that we are not interested 202 // in. 203 COMPILER_CHECK(sizeof(__sanitizer_dl_phdr_info) <= sizeof(dl_phdr_info)); 204 CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_addr); 205 CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_name); 206 CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phdr); 207 CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phnum); 208 209 // There are additional fields we are not interested in. 210 COMPILER_CHECK(sizeof(__sanitizer_glob_t) <= sizeof(glob_t)); 211 CHECK_SIZE_AND_OFFSET(glob_t, gl_pathc); 212 CHECK_SIZE_AND_OFFSET(glob_t, gl_pathv); 213 CHECK_SIZE_AND_OFFSET(glob_t, gl_offs); 214 215 CHECK_TYPE_SIZE(addrinfo); 216 CHECK_SIZE_AND_OFFSET(addrinfo, ai_flags); 217 CHECK_SIZE_AND_OFFSET(addrinfo, ai_family); 218 CHECK_SIZE_AND_OFFSET(addrinfo, ai_socktype); 219 CHECK_SIZE_AND_OFFSET(addrinfo, ai_protocol); 220 CHECK_SIZE_AND_OFFSET(addrinfo, ai_protocol); 221 CHECK_SIZE_AND_OFFSET(addrinfo, ai_addrlen); 222 CHECK_SIZE_AND_OFFSET(addrinfo, ai_canonname); 223 CHECK_SIZE_AND_OFFSET(addrinfo, ai_addr); 224 225 CHECK_TYPE_SIZE(hostent); 226 CHECK_SIZE_AND_OFFSET(hostent, h_name); 227 CHECK_SIZE_AND_OFFSET(hostent, h_aliases); 228 CHECK_SIZE_AND_OFFSET(hostent, h_addrtype); 229 CHECK_SIZE_AND_OFFSET(hostent, h_length); 230 CHECK_SIZE_AND_OFFSET(hostent, h_addr_list); 231 232 CHECK_TYPE_SIZE(iovec); 233 CHECK_SIZE_AND_OFFSET(iovec, iov_base); 234 CHECK_SIZE_AND_OFFSET(iovec, iov_len); 235 236 CHECK_TYPE_SIZE(msghdr); 237 CHECK_SIZE_AND_OFFSET(msghdr, msg_name); 238 CHECK_SIZE_AND_OFFSET(msghdr, msg_namelen); 239 CHECK_SIZE_AND_OFFSET(msghdr, msg_iov); 240 CHECK_SIZE_AND_OFFSET(msghdr, msg_iovlen); 241 CHECK_SIZE_AND_OFFSET(msghdr, msg_control); 242 CHECK_SIZE_AND_OFFSET(msghdr, msg_controllen); 243 CHECK_SIZE_AND_OFFSET(msghdr, msg_flags); 244 245 CHECK_TYPE_SIZE(cmsghdr); 246 CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_len); 247 CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_level); 248 CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_type); 249 250 COMPILER_CHECK(sizeof(__sanitizer_dirent) <= sizeof(dirent)); 251 CHECK_SIZE_AND_OFFSET(dirent, d_ino); 252 CHECK_SIZE_AND_OFFSET(dirent, d_off); 253 CHECK_SIZE_AND_OFFSET(dirent, d_reclen); 254 255 #if SANITIZER_SOLARIS32 256 COMPILER_CHECK(sizeof(__sanitizer_dirent64) <= sizeof(dirent64)); 257 CHECK_SIZE_AND_OFFSET(dirent64, d_ino); 258 CHECK_SIZE_AND_OFFSET(dirent64, d_off); 259 CHECK_SIZE_AND_OFFSET(dirent64, d_reclen); 260 #endif 261 262 CHECK_TYPE_SIZE(ifconf); 263 CHECK_SIZE_AND_OFFSET(ifconf, ifc_len); 264 CHECK_SIZE_AND_OFFSET(ifconf, ifc_ifcu); 265 266 CHECK_TYPE_SIZE(pollfd); 267 CHECK_SIZE_AND_OFFSET(pollfd, fd); 268 CHECK_SIZE_AND_OFFSET(pollfd, events); 269 CHECK_SIZE_AND_OFFSET(pollfd, revents); 270 271 CHECK_TYPE_SIZE(nfds_t); 272 273 CHECK_TYPE_SIZE(sigset_t); 274 275 COMPILER_CHECK(sizeof(__sanitizer_sigaction) == sizeof(struct sigaction)); 276 // Can't write checks for sa_handler and sa_sigaction due to them being 277 // preprocessor macros. 278 CHECK_STRUCT_SIZE_AND_OFFSET(sigaction, sa_mask); 279 CHECK_STRUCT_SIZE_AND_OFFSET(sigaction, sa_flags); 280 281 CHECK_TYPE_SIZE(wordexp_t); 282 CHECK_SIZE_AND_OFFSET(wordexp_t, we_wordc); 283 CHECK_SIZE_AND_OFFSET(wordexp_t, we_wordv); 284 CHECK_SIZE_AND_OFFSET(wordexp_t, we_offs); 285 286 CHECK_TYPE_SIZE(tm); 287 CHECK_SIZE_AND_OFFSET(tm, tm_sec); 288 CHECK_SIZE_AND_OFFSET(tm, tm_min); 289 CHECK_SIZE_AND_OFFSET(tm, tm_hour); 290 CHECK_SIZE_AND_OFFSET(tm, tm_mday); 291 CHECK_SIZE_AND_OFFSET(tm, tm_mon); 292 CHECK_SIZE_AND_OFFSET(tm, tm_year); 293 CHECK_SIZE_AND_OFFSET(tm, tm_wday); 294 CHECK_SIZE_AND_OFFSET(tm, tm_yday); 295 CHECK_SIZE_AND_OFFSET(tm, tm_isdst); 296 297 CHECK_TYPE_SIZE(ether_addr); 298 299 CHECK_TYPE_SIZE(ipc_perm); 300 CHECK_SIZE_AND_OFFSET(ipc_perm, key); 301 CHECK_SIZE_AND_OFFSET(ipc_perm, seq); 302 CHECK_SIZE_AND_OFFSET(ipc_perm, uid); 303 CHECK_SIZE_AND_OFFSET(ipc_perm, gid); 304 CHECK_SIZE_AND_OFFSET(ipc_perm, cuid); 305 CHECK_SIZE_AND_OFFSET(ipc_perm, cgid); 306 CHECK_SIZE_AND_OFFSET(ipc_perm, mode); 307 308 CHECK_TYPE_SIZE(shmid_ds); 309 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_perm); 310 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_segsz); 311 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_atime); 312 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_dtime); 313 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_ctime); 314 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_cpid); 315 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_lpid); 316 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_nattch); 317 318 CHECK_TYPE_SIZE(clock_t); 319 320 CHECK_TYPE_SIZE(ifaddrs); 321 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_next); 322 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_name); 323 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_addr); 324 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_netmask); 325 // Compare against the union, because we can't reach into the union in a 326 // compliant way. 327 #ifdef ifa_dstaddr 328 #undef ifa_dstaddr 329 #endif 330 COMPILER_CHECK(sizeof(((__sanitizer_ifaddrs *)nullptr)->ifa_dstaddr) == 331 sizeof(((ifaddrs *)nullptr)->ifa_ifu)); 332 COMPILER_CHECK(offsetof(__sanitizer_ifaddrs, ifa_dstaddr) == 333 offsetof(ifaddrs, ifa_ifu)); 334 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_data); 335 336 CHECK_TYPE_SIZE(timeb); 337 CHECK_SIZE_AND_OFFSET(timeb, time); 338 CHECK_SIZE_AND_OFFSET(timeb, millitm); 339 CHECK_SIZE_AND_OFFSET(timeb, timezone); 340 CHECK_SIZE_AND_OFFSET(timeb, dstflag); 341 342 CHECK_TYPE_SIZE(passwd); 343 CHECK_SIZE_AND_OFFSET(passwd, pw_name); 344 CHECK_SIZE_AND_OFFSET(passwd, pw_passwd); 345 CHECK_SIZE_AND_OFFSET(passwd, pw_uid); 346 CHECK_SIZE_AND_OFFSET(passwd, pw_gid); 347 CHECK_SIZE_AND_OFFSET(passwd, pw_dir); 348 CHECK_SIZE_AND_OFFSET(passwd, pw_shell); 349 350 CHECK_SIZE_AND_OFFSET(passwd, pw_gecos); 351 352 CHECK_TYPE_SIZE(group); 353 CHECK_SIZE_AND_OFFSET(group, gr_name); 354 CHECK_SIZE_AND_OFFSET(group, gr_passwd); 355 CHECK_SIZE_AND_OFFSET(group, gr_gid); 356 CHECK_SIZE_AND_OFFSET(group, gr_mem); 357 358 CHECK_TYPE_SIZE(XDR); 359 CHECK_SIZE_AND_OFFSET(XDR, x_op); 360 CHECK_SIZE_AND_OFFSET(XDR, x_ops); 361 CHECK_SIZE_AND_OFFSET(XDR, x_public); 362 CHECK_SIZE_AND_OFFSET(XDR, x_private); 363 CHECK_SIZE_AND_OFFSET(XDR, x_base); 364 CHECK_SIZE_AND_OFFSET(XDR, x_handy); 365 COMPILER_CHECK(__sanitizer_XDR_ENCODE == XDR_ENCODE); 366 COMPILER_CHECK(__sanitizer_XDR_DECODE == XDR_DECODE); 367 COMPILER_CHECK(__sanitizer_XDR_FREE == XDR_FREE); 368 369 CHECK_TYPE_SIZE(sem_t); 370 371 #endif // SANITIZER_SOLARIS 372