libsanitizer/sanitizer_common/sanitizer_platform_limits_solaris.cpp

   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 <sys/ethernet.h>
  36 #include <sys/filio.h>
  37 #include <sys/ipc.h>
  38 #include <sys/mman.h>
  39 #include <sys/mount.h>
  40 #include <sys/mtio.h>
  41 #include <sys/ptyvar.h>
  42 #include <sys/resource.h>
  43 #include <sys/shm.h>
  44 #include <sys/socket.h>
  45 #include <sys/sockio.h>
  46 #include <sys/stat.h>
  47 #include <sys/statfs.h>
  48 #include <sys/statvfs.h>
  49 #include <sys/time.h>
  50 #include <sys/timeb.h>
  51 #include <sys/times.h>
  52 #include <sys/types.h>
  53 #include <sys/utsname.h>
  54 #include <termios.h>
  55 #include <time.h>
  56 #include <utmp.h>
  57 #include <utmpx.h>
  58 #include <wchar.h>
  59 #include <wordexp.h>
  60
  61 // Include these after system headers to avoid name clashes and ambiguities.
  62 #include "sanitizer_internal_defs.h"
  63 #include "sanitizer_platform_limits_solaris.h"
  64
  65 namespace __sanitizer {
  66   unsigned struct_utsname_sz = sizeof(struct utsname);
  67   unsigned struct_stat_sz = sizeof(struct stat);
  68   unsigned struct_stat64_sz = sizeof(struct stat64);
  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_stack_t_sz = sizeof(stack_t);
  76   unsigned struct_itimerval_sz = sizeof(struct itimerval);
  77   unsigned pthread_t_sz = sizeof(pthread_t);
  78   unsigned pthread_mutex_t_sz = sizeof(pthread_mutex_t);
  79   unsigned pthread_cond_t_sz = sizeof(pthread_cond_t);
  80   unsigned pid_t_sz = sizeof(pid_t);
  81   unsigned timeval_sz = sizeof(timeval);
  82   unsigned uid_t_sz = sizeof(uid_t);
  83   unsigned gid_t_sz = sizeof(gid_t);
  84   unsigned mbstate_t_sz = sizeof(mbstate_t);
  85   unsigned sigset_t_sz = sizeof(sigset_t);
  86   unsigned struct_timezone_sz = sizeof(struct timezone);
  87   unsigned struct_tms_sz = sizeof(struct tms);
  88   unsigned struct_sigevent_sz = sizeof(struct sigevent);
  89   unsigned struct_sched_param_sz = sizeof(struct sched_param);
  90   unsigned struct_statfs_sz = sizeof(struct statfs);
  91   unsigned struct_sockaddr_sz = sizeof(struct sockaddr);
  92   unsigned ucontext_t_sz(void *ctx) { return sizeof(ucontext_t); }
  93   unsigned struct_timespec_sz = sizeof(struct timespec);
  94 #if SANITIZER_SOLARIS32
  95   unsigned struct_statvfs64_sz = sizeof(struct statvfs64);
  96 #endif
  97   unsigned struct_statvfs_sz = sizeof(struct statvfs);
  98
  99   const uptr sig_ign = (uptr)SIG_IGN;
 100   const uptr sig_dfl = (uptr)SIG_DFL;
 101   const uptr sig_err = (uptr)SIG_ERR;
 102   const uptr sa_siginfo = (uptr)SA_SIGINFO;
 103
 104   int shmctl_ipc_stat = (int)IPC_STAT;
 105
 106   unsigned struct_utmp_sz = sizeof(struct utmp);
 107   unsigned struct_utmpx_sz = sizeof(struct utmpx);
 108
 109   int map_fixed = MAP_FIXED;
 110
 111   int af_inet = (int)AF_INET;
 112   int af_inet6 = (int)AF_INET6;
 113
 114   uptr __sanitizer_in_addr_sz(int af) {
 115     if (af == AF_INET)
 116       return sizeof(struct in_addr);
 117     else if (af == AF_INET6)
 118       return sizeof(struct in6_addr);
 119     else
 120       return 0;
 121   }
 122
 123   unsigned struct_ElfW_Phdr_sz = sizeof(ElfW(Phdr));
 124
 125   int glob_nomatch = GLOB_NOMATCH;
 126   const int wordexp_wrde_dooffs = WRDE_DOOFFS;
 127
 128   unsigned path_max = PATH_MAX;
 129
 130   // ioctl arguments
 131   unsigned struct_ifreq_sz = sizeof(struct ifreq);
 132   unsigned struct_termios_sz = sizeof(struct termios);
 133   unsigned struct_winsize_sz = sizeof(struct winsize);
 134
 135   unsigned struct_sioc_sg_req_sz = sizeof(struct sioc_sg_req);
 136   unsigned struct_sioc_vif_req_sz = sizeof(struct sioc_vif_req);
 137
 138   const unsigned IOCTL_NOT_PRESENT = 0;
 139
 140   unsigned IOCTL_FIOASYNC = FIOASYNC;
 141   unsigned IOCTL_FIOCLEX = FIOCLEX;
 142   unsigned IOCTL_FIOGETOWN = FIOGETOWN;
 143   unsigned IOCTL_FIONBIO = FIONBIO;
 144   unsigned IOCTL_FIONCLEX = FIONCLEX;
 145   unsigned IOCTL_FIOSETOWN = FIOSETOWN;
 146   unsigned IOCTL_SIOCADDMULTI = SIOCADDMULTI;
 147   unsigned IOCTL_SIOCATMARK = SIOCATMARK;
 148   unsigned IOCTL_SIOCDELMULTI = SIOCDELMULTI;
 149   unsigned IOCTL_SIOCGIFADDR = SIOCGIFADDR;
 150   unsigned IOCTL_SIOCGIFBRDADDR = SIOCGIFBRDADDR;
 151   unsigned IOCTL_SIOCGIFCONF = SIOCGIFCONF;
 152   unsigned IOCTL_SIOCGIFDSTADDR = SIOCGIFDSTADDR;
 153   unsigned IOCTL_SIOCGIFFLAGS = SIOCGIFFLAGS;
 154   unsigned IOCTL_SIOCGIFMETRIC = SIOCGIFMETRIC;
 155   unsigned IOCTL_SIOCGIFMTU = SIOCGIFMTU;
 156   unsigned IOCTL_SIOCGIFNETMASK = SIOCGIFNETMASK;
 157   unsigned IOCTL_SIOCGPGRP = SIOCGPGRP;
 158   unsigned IOCTL_SIOCSIFADDR = SIOCSIFADDR;
 159   unsigned IOCTL_SIOCSIFBRDADDR = SIOCSIFBRDADDR;
 160   unsigned IOCTL_SIOCSIFDSTADDR = SIOCSIFDSTADDR;
 161   unsigned IOCTL_SIOCSIFFLAGS = SIOCSIFFLAGS;
 162   unsigned IOCTL_SIOCSIFMETRIC = SIOCSIFMETRIC;
 163   unsigned IOCTL_SIOCSIFMTU = SIOCSIFMTU;
 164   unsigned IOCTL_SIOCSIFNETMASK = SIOCSIFNETMASK;
 165   unsigned IOCTL_SIOCSPGRP = SIOCSPGRP;
 166   unsigned IOCTL_TIOCEXCL = TIOCEXCL;
 167   unsigned IOCTL_TIOCGETD = TIOCGETD;
 168   unsigned IOCTL_TIOCGPGRP = TIOCGPGRP;
 169   unsigned IOCTL_TIOCGWINSZ = TIOCGWINSZ;
 170   unsigned IOCTL_TIOCMBIC = TIOCMBIC;
 171   unsigned IOCTL_TIOCMBIS = TIOCMBIS;
 172   unsigned IOCTL_TIOCMGET = TIOCMGET;
 173   unsigned IOCTL_TIOCMSET = TIOCMSET;
 174   unsigned IOCTL_TIOCNOTTY = TIOCNOTTY;
 175   unsigned IOCTL_TIOCNXCL = TIOCNXCL;
 176   unsigned IOCTL_TIOCOUTQ = TIOCOUTQ;
 177   unsigned IOCTL_TIOCPKT = TIOCPKT;
 178   unsigned IOCTL_TIOCSCTTY = TIOCSCTTY;
 179   unsigned IOCTL_TIOCSETD = TIOCSETD;
 180   unsigned IOCTL_TIOCSPGRP = TIOCSPGRP;
 181   unsigned IOCTL_TIOCSTI = TIOCSTI;
 182   unsigned IOCTL_TIOCSWINSZ = TIOCSWINSZ;
 183
 184   unsigned IOCTL_MTIOCGET = MTIOCGET;
 185   unsigned IOCTL_MTIOCTOP = MTIOCTOP;
 186
 187   const int si_SEGV_MAPERR = SEGV_MAPERR;
 188   const int si_SEGV_ACCERR = SEGV_ACCERR;
 189 } // namespace __sanitizer
 190
 191 using namespace __sanitizer;
 192
 193 COMPILER_CHECK(sizeof(__sanitizer_pthread_attr_t) >= sizeof(pthread_attr_t));
 194
 195 COMPILER_CHECK(sizeof(socklen_t) == sizeof(unsigned));
 196 CHECK_TYPE_SIZE(pthread_key_t);
 197
 198 // There are more undocumented fields in dl_phdr_info that we are not interested
 199 // in.
 200 COMPILER_CHECK(sizeof(__sanitizer_dl_phdr_info) <= sizeof(dl_phdr_info));
 201 CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_addr);
 202 CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_name);
 203 CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phdr);
 204 CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phnum);
 205
 206 // There are additional fields we are not interested in.
 207 COMPILER_CHECK(sizeof(__sanitizer_glob_t) <= sizeof(glob_t));
 208 CHECK_SIZE_AND_OFFSET(glob_t, gl_pathc);
 209 CHECK_SIZE_AND_OFFSET(glob_t, gl_pathv);
 210 CHECK_SIZE_AND_OFFSET(glob_t, gl_offs);
 211
 212 CHECK_TYPE_SIZE(addrinfo);
 213 CHECK_SIZE_AND_OFFSET(addrinfo, ai_flags);
 214 CHECK_SIZE_AND_OFFSET(addrinfo, ai_family);
 215 CHECK_SIZE_AND_OFFSET(addrinfo, ai_socktype);
 216 CHECK_SIZE_AND_OFFSET(addrinfo, ai_protocol);
 217 CHECK_SIZE_AND_OFFSET(addrinfo, ai_protocol);
 218 CHECK_SIZE_AND_OFFSET(addrinfo, ai_addrlen);
 219 CHECK_SIZE_AND_OFFSET(addrinfo, ai_canonname);
 220 CHECK_SIZE_AND_OFFSET(addrinfo, ai_addr);
 221
 222 CHECK_TYPE_SIZE(hostent);
 223 CHECK_SIZE_AND_OFFSET(hostent, h_name);
 224 CHECK_SIZE_AND_OFFSET(hostent, h_aliases);
 225 CHECK_SIZE_AND_OFFSET(hostent, h_addrtype);
 226 CHECK_SIZE_AND_OFFSET(hostent, h_length);
 227 CHECK_SIZE_AND_OFFSET(hostent, h_addr_list);
 228
 229 CHECK_TYPE_SIZE(iovec);
 230 CHECK_SIZE_AND_OFFSET(iovec, iov_base);
 231 CHECK_SIZE_AND_OFFSET(iovec, iov_len);
 232
 233 CHECK_TYPE_SIZE(msghdr);
 234 CHECK_SIZE_AND_OFFSET(msghdr, msg_name);
 235 CHECK_SIZE_AND_OFFSET(msghdr, msg_namelen);
 236 CHECK_SIZE_AND_OFFSET(msghdr, msg_iov);
 237 CHECK_SIZE_AND_OFFSET(msghdr, msg_iovlen);
 238 CHECK_SIZE_AND_OFFSET(msghdr, msg_control);
 239 CHECK_SIZE_AND_OFFSET(msghdr, msg_controllen);
 240 CHECK_SIZE_AND_OFFSET(msghdr, msg_flags);
 241
 242 CHECK_TYPE_SIZE(cmsghdr);
 243 CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_len);
 244 CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_level);
 245 CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_type);
 246
 247 COMPILER_CHECK(sizeof(__sanitizer_dirent) <= sizeof(dirent));
 248 CHECK_SIZE_AND_OFFSET(dirent, d_ino);
 249 CHECK_SIZE_AND_OFFSET(dirent, d_off);
 250 CHECK_SIZE_AND_OFFSET(dirent, d_reclen);
 251
 252 #if SANITIZER_SOLARIS32
 253 COMPILER_CHECK(sizeof(__sanitizer_dirent64) <= sizeof(dirent64));
 254 CHECK_SIZE_AND_OFFSET(dirent64, d_ino);
 255 CHECK_SIZE_AND_OFFSET(dirent64, d_off);
 256 CHECK_SIZE_AND_OFFSET(dirent64, d_reclen);
 257 #endif
 258
 259 CHECK_TYPE_SIZE(ifconf);
 260 CHECK_SIZE_AND_OFFSET(ifconf, ifc_len);
 261 CHECK_SIZE_AND_OFFSET(ifconf, ifc_ifcu);
 262
 263 CHECK_TYPE_SIZE(pollfd);
 264 CHECK_SIZE_AND_OFFSET(pollfd, fd);
 265 CHECK_SIZE_AND_OFFSET(pollfd, events);
 266 CHECK_SIZE_AND_OFFSET(pollfd, revents);
 267
 268 CHECK_TYPE_SIZE(nfds_t);
 269
 270 CHECK_TYPE_SIZE(sigset_t);
 271
 272 COMPILER_CHECK(sizeof(__sanitizer_sigaction) == sizeof(struct sigaction));
 273 // Can't write checks for sa_handler and sa_sigaction due to them being
 274 // preprocessor macros.
 275 CHECK_STRUCT_SIZE_AND_OFFSET(sigaction, sa_mask);
 276 CHECK_STRUCT_SIZE_AND_OFFSET(sigaction, sa_flags);
 277
 278 CHECK_TYPE_SIZE(wordexp_t);
 279 CHECK_SIZE_AND_OFFSET(wordexp_t, we_wordc);
 280 CHECK_SIZE_AND_OFFSET(wordexp_t, we_wordv);
 281 CHECK_SIZE_AND_OFFSET(wordexp_t, we_offs);
 282
 283 CHECK_TYPE_SIZE(tm);
 284 CHECK_SIZE_AND_OFFSET(tm, tm_sec);
 285 CHECK_SIZE_AND_OFFSET(tm, tm_min);
 286 CHECK_SIZE_AND_OFFSET(tm, tm_hour);
 287 CHECK_SIZE_AND_OFFSET(tm, tm_mday);
 288 CHECK_SIZE_AND_OFFSET(tm, tm_mon);
 289 CHECK_SIZE_AND_OFFSET(tm, tm_year);
 290 CHECK_SIZE_AND_OFFSET(tm, tm_wday);
 291 CHECK_SIZE_AND_OFFSET(tm, tm_yday);
 292 CHECK_SIZE_AND_OFFSET(tm, tm_isdst);
 293
 294 CHECK_TYPE_SIZE(ether_addr);
 295
 296 CHECK_TYPE_SIZE(ipc_perm);
 297 CHECK_SIZE_AND_OFFSET(ipc_perm, key);
 298 CHECK_SIZE_AND_OFFSET(ipc_perm, seq);
 299 CHECK_SIZE_AND_OFFSET(ipc_perm, uid);
 300 CHECK_SIZE_AND_OFFSET(ipc_perm, gid);
 301 CHECK_SIZE_AND_OFFSET(ipc_perm, cuid);
 302 CHECK_SIZE_AND_OFFSET(ipc_perm, cgid);
 303 CHECK_SIZE_AND_OFFSET(ipc_perm, mode);
 304
 305 CHECK_TYPE_SIZE(shmid_ds);
 306 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_perm);
 307 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_segsz);
 308 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_atime);
 309 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_dtime);
 310 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_ctime);
 311 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_cpid);
 312 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_lpid);
 313 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_nattch);
 314
 315 CHECK_TYPE_SIZE(clock_t);
 316
 317 CHECK_TYPE_SIZE(ifaddrs);
 318 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_next);
 319 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_name);
 320 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_addr);
 321 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_netmask);
 322 // Compare against the union, because we can't reach into the union in a
 323 // compliant way.
 324 #ifdef ifa_dstaddr
 325 #undef ifa_dstaddr
 326 #endif
 327 COMPILER_CHECK(sizeof(((__sanitizer_ifaddrs *)nullptr)->ifa_dstaddr) ==
 328                sizeof(((ifaddrs *)nullptr)->ifa_ifu));
 329 COMPILER_CHECK(offsetof(__sanitizer_ifaddrs, ifa_dstaddr) ==
 330                offsetof(ifaddrs, ifa_ifu));
 331 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_data);
 332
 333 CHECK_TYPE_SIZE(timeb);
 334 CHECK_SIZE_AND_OFFSET(timeb, time);
 335 CHECK_SIZE_AND_OFFSET(timeb, millitm);
 336 CHECK_SIZE_AND_OFFSET(timeb, timezone);
 337 CHECK_SIZE_AND_OFFSET(timeb, dstflag);
 338
 339 CHECK_TYPE_SIZE(passwd);
 340 CHECK_SIZE_AND_OFFSET(passwd, pw_name);
 341 CHECK_SIZE_AND_OFFSET(passwd, pw_passwd);
 342 CHECK_SIZE_AND_OFFSET(passwd, pw_uid);
 343 CHECK_SIZE_AND_OFFSET(passwd, pw_gid);
 344 CHECK_SIZE_AND_OFFSET(passwd, pw_dir);
 345 CHECK_SIZE_AND_OFFSET(passwd, pw_shell);
 346
 347 CHECK_SIZE_AND_OFFSET(passwd, pw_gecos);
 348
 349 CHECK_TYPE_SIZE(group);
 350 CHECK_SIZE_AND_OFFSET(group, gr_name);
 351 CHECK_SIZE_AND_OFFSET(group, gr_passwd);
 352 CHECK_SIZE_AND_OFFSET(group, gr_gid);
 353 CHECK_SIZE_AND_OFFSET(group, gr_mem);
 354
 355 CHECK_TYPE_SIZE(XDR);
 356 CHECK_SIZE_AND_OFFSET(XDR, x_op);
 357 CHECK_SIZE_AND_OFFSET(XDR, x_ops);
 358 CHECK_SIZE_AND_OFFSET(XDR, x_public);
 359 CHECK_SIZE_AND_OFFSET(XDR, x_private);
 360 CHECK_SIZE_AND_OFFSET(XDR, x_base);
 361 CHECK_SIZE_AND_OFFSET(XDR, x_handy);
 362 COMPILER_CHECK(__sanitizer_XDR_ENCODE == XDR_ENCODE);
 363 COMPILER_CHECK(__sanitizer_XDR_DECODE == XDR_DECODE);
 364 COMPILER_CHECK(__sanitizer_XDR_FREE == XDR_FREE);
 365
 366 CHECK_TYPE_SIZE(sem_t);
 367
 368 #endif  // SANITIZER_SOLARIS