granicus.if.org Git - strace/blob - net.c

   1 /*
   2  * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
   3  * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
   4  * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
   5  * Copyright (c) 1996-2000 Wichert Akkerman <wichert@cistron.nl>
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. The name of the author may not be used to endorse or promote products
  17  *    derived from this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include "defs.h"
  32 #include <sys/stat.h>
  33 #include <sys/socket.h>
  34 #include <sys/un.h>
  35 #if defined(HAVE_SIN6_SCOPE_ID_LINUX)
  36 # define in6_addr in6_addr_libc
  37 # define ipv6_mreq ipv6_mreq_libc
  38 # define sockaddr_in6 sockaddr_in6_libc
  39 #endif
  40 #include <netinet/in.h>
  41 #ifdef HAVE_NETINET_TCP_H
  42 # include <netinet/tcp.h>
  43 #endif
  44 #ifdef HAVE_NETINET_UDP_H
  45 # include <netinet/udp.h>
  46 #endif
  47 #ifdef HAVE_NETINET_SCTP_H
  48 # include <netinet/sctp.h>
  49 #endif
  50 #include <arpa/inet.h>
  51 #include <net/if.h>
  52 #include <asm/types.h>
  53 #if defined(__GLIBC__) && (__GLIBC__ >= 2) && (__GLIBC__ + __GLIBC_MINOR__ >= 3)
  54 # include <netipx/ipx.h>
  55 #else
  56 # include <linux/ipx.h>
  57 #endif
  58
  59 #if defined(__GLIBC__) && (((__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 1)) || defined(HAVE_SIN6_SCOPE_ID_LINUX))
  60 # if defined(HAVE_LINUX_IN6_H)
  61 #  if defined(HAVE_SIN6_SCOPE_ID_LINUX)
  62 #   undef in6_addr
  63 #   undef ipv6_mreq
  64 #   undef sockaddr_in6
  65 #   define in6_addr in6_addr_kernel
  66 #   define ipv6_mreq ipv6_mreq_kernel
  67 #   define sockaddr_in6 sockaddr_in6_kernel
  68 #  endif
  69 #  include <linux/in6.h>
  70 #  if defined(HAVE_SIN6_SCOPE_ID_LINUX)
  71 #   undef in6_addr
  72 #   undef ipv6_mreq
  73 #   undef sockaddr_in6
  74 #   define in6_addr in6_addr_libc
  75 #   define ipv6_mreq ipv6_mreq_libc
  76 #   define sockaddr_in6 sockaddr_in6_kernel
  77 #  endif
  78 # endif
  79 #endif
  80
  81 #if defined(HAVE_SYS_UIO_H)
  82 # include <sys/uio.h>
  83 #endif
  84 #if defined(HAVE_LINUX_NETLINK_H)
  85 # include <linux/netlink.h>
  86 #endif
  87 #if defined(HAVE_LINUX_IF_PACKET_H)
  88 # include <linux/if_packet.h>
  89 #endif
  90 #if defined(HAVE_LINUX_ICMP_H)
  91 # include <linux/icmp.h>
  92 #endif
  93 #ifndef PF_UNSPEC
  94 # define PF_UNSPEC AF_UNSPEC
  95 #endif
  96
  97 /* Under Linux these are enums so we can't test for them with ifdef. */
  98 #define IPPROTO_EGP IPPROTO_EGP
  99 #define IPPROTO_PUP IPPROTO_PUP
 100 #define IPPROTO_IDP IPPROTO_IDP
 101 #define IPPROTO_IGMP IPPROTO_IGMP
 102 #define IPPROTO_RAW IPPROTO_RAW
 103 #define IPPROTO_MAX IPPROTO_MAX
 104
 105 static const struct xlat domains[] = {
 106 #ifdef PF_AAL5
 107         { PF_AAL5,      "PF_AAL5"       },
 108 #endif
 109 #ifdef PF_APPLETALK
 110         { PF_APPLETALK, "PF_APPLETALK"  },
 111 #endif
 112 #ifdef PF_ASH
 113         { PF_ASH,       "PF_ASH"        },
 114 #endif
 115 #ifdef PF_ATMPVC
 116         { PF_ATMPVC,    "PF_ATMPVC"     },
 117 #endif
 118 #ifdef PF_ATMSVC
 119         { PF_ATMSVC,    "PF_ATMSVC"     },
 120 #endif
 121 #ifdef PF_AX25
 122         { PF_AX25,      "PF_AX25"       },
 123 #endif
 124 #ifdef PF_BLUETOOTH
 125         { PF_BLUETOOTH, "PF_BLUETOOTH"  },
 126 #endif
 127 #ifdef PF_BRIDGE
 128         { PF_BRIDGE,    "PF_BRIDGE"     },
 129 #endif
 130 #ifdef PF_DECnet
 131         { PF_DECnet,    "PF_DECnet"     },
 132 #endif
 133 #ifdef PF_DECNET
 134         { PF_DECNET,    "PF_DECNET"     },
 135 #endif
 136 #ifdef PF_ECONET
 137         { PF_ECONET,    "PF_ECONET"     },
 138 #endif
 139 #ifdef PF_FILE
 140         { PF_FILE,      "PF_FILE"       },
 141 #endif
 142 #ifdef PF_IMPLINK
 143         { PF_IMPLINK,   "PF_IMPLINK"    },
 144 #endif
 145 #ifdef PF_INET
 146         { PF_INET,      "PF_INET"       },
 147 #endif
 148 #ifdef PF_INET6
 149         { PF_INET6,     "PF_INET6"      },
 150 #endif
 151 #ifdef PF_IPX
 152         { PF_IPX,       "PF_IPX"        },
 153 #endif
 154 #ifdef PF_IRDA
 155         { PF_IRDA,      "PF_IRDA"       },
 156 #endif
 157 #ifdef PF_ISO
 158         { PF_ISO,       "PF_ISO"        },
 159 #endif
 160 #ifdef PF_KEY
 161         { PF_KEY,       "PF_KEY"        },
 162 #endif
 163 #ifdef PF_UNIX
 164         { PF_UNIX,      "PF_UNIX"       },
 165 #endif
 166 #ifdef PF_LOCAL
 167         { PF_LOCAL,     "PF_LOCAL"      },
 168 #endif
 169 #ifdef PF_NETBEUI
 170         { PF_NETBEUI,   "PF_NETBEUI"    },
 171 #endif
 172 #ifdef PF_NETLINK
 173         { PF_NETLINK,   "PF_NETLINK"    },
 174 #endif
 175 #ifdef PF_NETROM
 176         { PF_NETROM,    "PF_NETROM"     },
 177 #endif
 178 #ifdef PF_PACKET
 179         { PF_PACKET,    "PF_PACKET"     },
 180 #endif
 181 #ifdef PF_PPPOX
 182         { PF_PPPOX,     "PF_PPPOX"      },
 183 #endif
 184 #ifdef PF_ROSE
 185         { PF_ROSE,      "PF_ROSE"       },
 186 #endif
 187 #ifdef PF_ROUTE
 188         { PF_ROUTE,     "PF_ROUTE"      },
 189 #endif
 190 #ifdef PF_SECURITY
 191         { PF_SECURITY,  "PF_SECURITY"   },
 192 #endif
 193 #ifdef PF_SNA
 194         { PF_SNA,       "PF_SNA"        },
 195 #endif
 196 #ifdef PF_UNSPEC
 197         { PF_UNSPEC,    "PF_UNSPEC"     },
 198 #endif
 199 #ifdef PF_WANPIPE
 200         { PF_WANPIPE,   "PF_WANPIPE"    },
 201 #endif
 202 #ifdef PF_X25
 203         { PF_X25,       "PF_X25"        },
 204 #endif
 205         { 0,            NULL            },
 206 };
 207 const struct xlat addrfams[] = {
 208 #ifdef AF_APPLETALK
 209         { AF_APPLETALK, "AF_APPLETALK"  },
 210 #endif
 211 #ifdef AF_ASH
 212         { AF_ASH,       "AF_ASH"        },
 213 #endif
 214 #ifdef AF_ATMPVC
 215         { AF_ATMPVC,    "AF_ATMPVC"     },
 216 #endif
 217 #ifdef AF_ATMSVC
 218         { AF_ATMSVC,    "AF_ATMSVC"     },
 219 #endif
 220 #ifdef AF_AX25
 221         { AF_AX25,      "AF_AX25"       },
 222 #endif
 223 #ifdef AF_BLUETOOTH
 224         { AF_BLUETOOTH, "AF_BLUETOOTH"  },
 225 #endif
 226 #ifdef AF_BRIDGE
 227         { AF_BRIDGE,    "AF_BRIDGE"     },
 228 #endif
 229 #ifdef AF_DECnet
 230         { AF_DECnet,    "AF_DECnet"     },
 231 #endif
 232 #ifdef AF_ECONET
 233         { AF_ECONET,    "AF_ECONET"     },
 234 #endif
 235 #ifdef AF_FILE
 236         { AF_FILE,      "AF_FILE"       },
 237 #endif
 238 #ifdef AF_IMPLINK
 239         { AF_IMPLINK,   "AF_IMPLINK"    },
 240 #endif
 241 #ifdef AF_INET
 242         { AF_INET,      "AF_INET"       },
 243 #endif
 244 #ifdef AF_INET6
 245         { AF_INET6,     "AF_INET6"      },
 246 #endif
 247 #ifdef AF_IPX
 248         { AF_IPX,       "AF_IPX"        },
 249 #endif
 250 #ifdef AF_IRDA
 251         { AF_IRDA,      "AF_IRDA"       },
 252 #endif
 253 #ifdef AF_ISO
 254         { AF_ISO,       "AF_ISO"        },
 255 #endif
 256 #ifdef AF_KEY
 257         { AF_KEY,       "AF_KEY"        },
 258 #endif
 259 #ifdef AF_UNIX
 260         { AF_UNIX,      "AF_UNIX"       },
 261 #endif
 262 #ifdef AF_LOCAL
 263         { AF_LOCAL,     "AF_LOCAL"      },
 264 #endif
 265 #ifdef AF_NETBEUI
 266         { AF_NETBEUI,   "AF_NETBEUI"    },
 267 #endif
 268 #ifdef AF_NETLINK
 269         { AF_NETLINK,   "AF_NETLINK"    },
 270 #endif
 271 #ifdef AF_NETROM
 272         { AF_NETROM,    "AF_NETROM"     },
 273 #endif
 274 #ifdef AF_PACKET
 275         { AF_PACKET,    "AF_PACKET"     },
 276 #endif
 277 #ifdef AF_PPPOX
 278         { AF_PPPOX,     "AF_PPPOX"      },
 279 #endif
 280 #ifdef AF_ROSE
 281         { AF_ROSE,      "AF_ROSE"       },
 282 #endif
 283 #ifdef AF_ROUTE
 284         { AF_ROUTE,     "AF_ROUTE"      },
 285 #endif
 286 #ifdef AF_SECURITY
 287         { AF_SECURITY,  "AF_SECURITY"   },
 288 #endif
 289 #ifdef AF_SNA
 290         { AF_SNA,       "AF_SNA"        },
 291 #endif
 292 #ifdef AF_UNSPEC
 293         { AF_UNSPEC,    "AF_UNSPEC"     },
 294 #endif
 295 #ifdef AF_WANPIPE
 296         { AF_WANPIPE,   "AF_WANPIPE"    },
 297 #endif
 298 #ifdef AF_X25
 299         { AF_X25,       "AF_X25"        },
 300 #endif
 301         { 0,            NULL            },
 302 };
 303 static const struct xlat socktypes[] = {
 304         { SOCK_STREAM,  "SOCK_STREAM"   },
 305         { SOCK_DGRAM,   "SOCK_DGRAM"    },
 306 #ifdef SOCK_RAW
 307         { SOCK_RAW,     "SOCK_RAW"      },
 308 #endif
 309 #ifdef SOCK_RDM
 310         { SOCK_RDM,     "SOCK_RDM"      },
 311 #endif
 312 #ifdef SOCK_SEQPACKET
 313         { SOCK_SEQPACKET,"SOCK_SEQPACKET"},
 314 #endif
 315 #ifdef SOCK_DCCP
 316         { SOCK_DCCP,    "SOCK_DCCP"     },
 317 #endif
 318 #ifdef SOCK_PACKET
 319         { SOCK_PACKET,  "SOCK_PACKET"   },
 320 #endif
 321         { 0,            NULL            },
 322 };
 323 static const struct xlat sock_type_flags[] = {
 324 #ifdef SOCK_CLOEXEC
 325         { SOCK_CLOEXEC, "SOCK_CLOEXEC"  },
 326 #endif
 327 #ifdef SOCK_NONBLOCK
 328         { SOCK_NONBLOCK,"SOCK_NONBLOCK" },
 329 #endif
 330         { 0,            NULL            },
 331 };
 332 #ifndef SOCK_TYPE_MASK
 333 # define SOCK_TYPE_MASK 0xf
 334 #endif
 335 static const struct xlat socketlayers[] = {
 336 #if defined(SOL_IP)
 337         { SOL_IP,       "SOL_IP"        },
 338 #endif
 339 #if defined(SOL_ICMP)
 340         { SOL_ICMP,     "SOL_ICMP"      },
 341 #endif
 342 #if defined(SOL_TCP)
 343         { SOL_TCP,      "SOL_TCP"       },
 344 #endif
 345 #if defined(SOL_UDP)
 346         { SOL_UDP,      "SOL_UDP"       },
 347 #endif
 348 #if defined(SOL_IPV6)
 349         { SOL_IPV6,     "SOL_IPV6"      },
 350 #endif
 351 #if defined(SOL_ICMPV6)
 352         { SOL_ICMPV6,   "SOL_ICMPV6"    },
 353 #endif
 354 #if defined(SOL_SCTP)
 355         { SOL_SCTP,     "SOL_SCTP"      },
 356 #endif
 357 #if defined(SOL_UDPLITE)
 358         { SOL_UDPLITE,  "SOL_UDPLITE"   },
 359 #endif
 360 #if defined(SOL_RAW)
 361         { SOL_RAW,      "SOL_RAW"       },
 362 #endif
 363 #if defined(SOL_IPX)
 364         { SOL_IPX,      "SOL_IPX"       },
 365 #endif
 366 #if defined(SOL_AX25)
 367         { SOL_AX25,     "SOL_AX25"      },
 368 #endif
 369 #if defined(SOL_ATALK)
 370         { SOL_ATALK,    "SOL_ATALK"     },
 371 #endif
 372 #if defined(SOL_NETROM)
 373         { SOL_NETROM,   "SOL_NETROM"    },
 374 #endif
 375 #if defined(SOL_ROSE)
 376         { SOL_ROSE,     "SOL_ROSE"      },
 377 #endif
 378 #if defined(SOL_DECNET)
 379         { SOL_DECNET,   "SOL_DECNET"    },
 380 #endif
 381 #if defined(SOL_X25)
 382         { SOL_X25,      "SOL_X25"       },
 383 #endif
 384 #if defined(SOL_PACKET)
 385         { SOL_PACKET,   "SOL_PACKET"    },
 386 #endif
 387 #if defined(SOL_ATM)
 388         { SOL_ATM,      "SOL_ATM"       },
 389 #endif
 390 #if defined(SOL_AAL)
 391         { SOL_AAL,      "SOL_AAL"       },
 392 #endif
 393 #if defined(SOL_IRDA)
 394         { SOL_IRDA,     "SOL_IRDA"      },
 395 #endif
 396 #if defined(SOL_NETBEUI)
 397         { SOL_NETBEUI,  "SOL_NETBEUI"   },
 398 #endif
 399 #if defined(SOL_LLC)
 400         { SOL_LLC,      "SOL_LLC"       },
 401 #endif
 402 #if defined(SOL_DCCP)
 403         { SOL_DCCP,     "SOL_DCCP"      },
 404 #endif
 405 #if defined(SOL_NETLINK)
 406         { SOL_NETLINK,  "SOL_NETLINK"   },
 407 #endif
 408 #if defined(SOL_TIPC)
 409         { SOL_TIPC,     "SOL_TIPC"      },
 410 #endif
 411 #if defined(SOL_RXRPC)
 412         { SOL_RXRPC,    "SOL_RXRPC"     },
 413 #endif
 414 #if defined(SOL_PPPOL2TP)
 415         { SOL_PPPOL2TP, "SOL_PPPOL2TP"  },
 416 #endif
 417 #if defined(SOL_BLUETOOTH)
 418         { SOL_BLUETOOTH,"SOL_BLUETOOTH" },
 419 #endif
 420 #if defined(SOL_PNPIPE)
 421         { SOL_PNPIPE,   "SOL_PNPIPE"    },
 422 #endif
 423 #if defined(SOL_RDS)
 424         { SOL_RDS,      "SOL_RDS"       },
 425 #endif
 426 #if defined(SOL_IUVC)
 427         { SOL_IUCV,     "SOL_IUCV"      },
 428 #endif
 429 #if defined(SOL_CAIF)
 430         { SOL_CAIF,     "SOL_CAIF"      },
 431 #endif
 432         { SOL_SOCKET,   "SOL_SOCKET"    },      /* Never used! */
 433         /* The SOL_* array should remain not NULL-terminated. */
 434 };
 435 /*** WARNING: DANGER WILL ROBINSON: NOTE "socketlayers" array above
 436      falls into "protocols" array below!!!!   This is intended!!! ***/
 437 static const struct xlat protocols[] = {
 438         { IPPROTO_IP,   "IPPROTO_IP"    },
 439         { IPPROTO_ICMP, "IPPROTO_ICMP"  },
 440         { IPPROTO_TCP,  "IPPROTO_TCP"   },
 441         { IPPROTO_UDP,  "IPPROTO_UDP"   },
 442 #ifdef IPPROTO_IGMP
 443         { IPPROTO_IGMP, "IPPROTO_IGMP"  },
 444 #endif
 445 #ifdef IPPROTO_GGP
 446         { IPPROTO_GGP,  "IPPROTO_GGP"   },
 447 #endif
 448 #ifdef IPPROTO_IPIP
 449         { IPPROTO_IPIP, "IPPROTO_IPIP"  },
 450 #endif
 451 #ifdef IPPROTO_EGP
 452         { IPPROTO_EGP,  "IPPROTO_EGP"   },
 453 #endif
 454 #ifdef IPPROTO_PUP
 455         { IPPROTO_PUP,  "IPPROTO_PUP"   },
 456 #endif
 457 #ifdef IPPROTO_IDP
 458         { IPPROTO_IDP,  "IPPROTO_IDP"   },
 459 #endif
 460 #ifdef IPPROTO_TP
 461         { IPPROTO_TP,   "IPPROTO_TP"    },
 462 #endif
 463 #ifdef IPPROTO_DCCP
 464         { IPPROTO_DCCP, "IPPROTO_DCCP"  },
 465 #endif
 466 #ifdef IPPROTO_IPV6
 467         { IPPROTO_IPV6, "IPPROTO_IPV6"  },
 468 #endif
 469 #ifdef IPPROTO_ROUTING
 470         { IPPROTO_ROUTING, "IPPROTO_ROUTING" },
 471 #endif
 472 #ifdef IPPROTO_FRAGMENT
 473         { IPPROTO_FRAGMENT, "IPPROTO_FRAGMENT" },
 474 #endif
 475 #ifdef IPPROTO_RSVP
 476         { IPPROTO_RSVP, "IPPROTO_RSVP"  },
 477 #endif
 478 #ifdef IPPROTO_GRE
 479         { IPPROTO_GRE,  "IPPROTO_GRE"   },
 480 #endif
 481 #ifdef IPPROTO_ESP
 482         { IPPROTO_ESP,  "IPPROTO_ESP"   },
 483 #endif
 484 #ifdef IPPROTO_AH
 485         { IPPROTO_AH,   "IPPROTO_AH"    },
 486 #endif
 487 #ifdef IPPROTO_ICMPV6
 488         { IPPROTO_ICMPV6, "IPPROTO_ICMPV6" },
 489 #endif
 490 #ifdef IPPROTO_NONE
 491         { IPPROTO_NONE, "IPPROTO_NONE"  },
 492 #endif
 493 #ifdef IPPROTO_DSTOPTS
 494         { IPPROTO_DSTOPTS, "IPPROTO_DSTOPTS" },
 495 #endif
 496 #ifdef IPPROTO_HELLO
 497         { IPPROTO_HELLO, "IPPROTO_HELLO" },
 498 #endif
 499 #ifdef IPPROTO_ND
 500         { IPPROTO_ND,   "IPPROTO_ND"    },
 501 #endif
 502 #ifdef IPPROTO_MTP
 503         { IPPROTO_MTP,  "IPPROTO_MTP"   },
 504 #endif
 505 #ifdef IPPROTO_ENCAP
 506         { IPPROTO_ENCAP, "IPPROTO_ENCAP" },
 507 #endif
 508 #ifdef IPPROTO_PIM
 509         { IPPROTO_PIM,  "IPPROTO_PIM"   },
 510 #endif
 511 #ifdef IPPROTO_COMP
 512         { IPPROTO_COMP, "IPPROTO_COMP"  },
 513 #endif
 514 #ifdef IPPROTO_SCTP
 515         { IPPROTO_SCTP, "IPPROTO_SCTP"  },
 516 #endif
 517 #ifdef IPPROTO_UDPLITE
 518         { IPPROTO_UDPLITE, "IPPROTO_UDPLITE" },
 519 #endif
 520 #ifdef IPPROTO_RAW
 521         { IPPROTO_RAW,  "IPPROTO_RAW"   },
 522 #endif
 523 #ifdef IPPROTO_MAX
 524         { IPPROTO_MAX,  "IPPROTO_MAX"   },
 525 #endif
 526         { 0,            NULL            },
 527 };
 528 static const struct xlat msg_flags[] = {
 529         { MSG_OOB,              "MSG_OOB"               },
 530 #ifdef MSG_DONTROUTE
 531         { MSG_DONTROUTE,        "MSG_DONTROUTE"         },
 532 #endif
 533 #ifdef MSG_PEEK
 534         { MSG_PEEK,             "MSG_PEEK"              },
 535 #endif
 536 #ifdef MSG_CTRUNC
 537         { MSG_CTRUNC,           "MSG_CTRUNC"            },
 538 #endif
 539 #ifdef MSG_PROXY
 540         { MSG_PROXY,            "MSG_PROXY"             },
 541 #endif
 542 #ifdef MSG_EOR
 543         { MSG_EOR,              "MSG_EOR"               },
 544 #endif
 545 #ifdef MSG_WAITALL
 546         { MSG_WAITALL,          "MSG_WAITALL"           },
 547 #endif
 548 #ifdef MSG_TRUNC
 549         { MSG_TRUNC,            "MSG_TRUNC"             },
 550 #endif
 551 #ifdef MSG_CTRUNC
 552         { MSG_CTRUNC,           "MSG_CTRUNC"            },
 553 #endif
 554 #ifdef MSG_ERRQUEUE
 555         { MSG_ERRQUEUE,         "MSG_ERRQUEUE"          },
 556 #endif
 557 #ifdef MSG_DONTWAIT
 558         { MSG_DONTWAIT,         "MSG_DONTWAIT"          },
 559 #endif
 560 #ifdef MSG_CONFIRM
 561         { MSG_CONFIRM,          "MSG_CONFIRM"           },
 562 #endif
 563 #ifdef MSG_PROBE
 564         { MSG_PROBE,            "MSG_PROBE"             },
 565 #endif
 566 #ifdef MSG_FIN
 567         { MSG_FIN,              "MSG_FIN"               },
 568 #endif
 569 #ifdef MSG_SYN
 570         { MSG_SYN,              "MSG_SYN"               },
 571 #endif
 572 #ifdef MSG_RST
 573         { MSG_RST,              "MSG_RST"               },
 574 #endif
 575 #ifdef MSG_NOSIGNAL
 576         { MSG_NOSIGNAL,         "MSG_NOSIGNAL"          },
 577 #endif
 578 #ifdef MSG_MORE
 579         { MSG_MORE,             "MSG_MORE"              },
 580 #endif
 581 #ifdef MSG_WAITFORONE
 582         { MSG_WAITFORONE,       "MSG_WAITFORONE"        },
 583 #endif
 584 #ifdef MSG_CMSG_CLOEXEC
 585         { MSG_CMSG_CLOEXEC,     "MSG_CMSG_CLOEXEC"      },
 586 #endif
 587         { 0,                    NULL                    },
 588 };
 589
 590 static const struct xlat sockoptions[] = {
 591 #ifdef SO_ACCEPTCONN
 592         { SO_ACCEPTCONN,        "SO_ACCEPTCONN" },
 593 #endif
 594 #ifdef SO_ALLRAW
 595         { SO_ALLRAW,    "SO_ALLRAW"     },
 596 #endif
 597 #ifdef SO_ATTACH_FILTER
 598         { SO_ATTACH_FILTER,     "SO_ATTACH_FILTER"      },
 599 #endif
 600 #ifdef SO_BINDTODEVICE
 601         { SO_BINDTODEVICE,      "SO_BINDTODEVICE"       },
 602 #endif
 603 #ifdef SO_BROADCAST
 604         { SO_BROADCAST, "SO_BROADCAST"  },
 605 #endif
 606 #ifdef SO_BSDCOMPAT
 607         { SO_BSDCOMPAT, "SO_BSDCOMPAT"  },
 608 #endif
 609 #ifdef SO_DEBUG
 610         { SO_DEBUG,     "SO_DEBUG"      },
 611 #endif
 612 #ifdef SO_DETACH_FILTER
 613         { SO_DETACH_FILTER,     "SO_DETACH_FILTER"      },
 614 #endif
 615 #ifdef SO_DONTROUTE
 616         { SO_DONTROUTE, "SO_DONTROUTE"  },
 617 #endif
 618 #ifdef SO_ERROR
 619         { SO_ERROR,     "SO_ERROR"      },
 620 #endif
 621 #ifdef SO_ICS
 622         { SO_ICS,       "SO_ICS"        },
 623 #endif
 624 #ifdef SO_IMASOCKET
 625         { SO_IMASOCKET, "SO_IMASOCKET"  },
 626 #endif
 627 #ifdef SO_KEEPALIVE
 628         { SO_KEEPALIVE, "SO_KEEPALIVE"  },
 629 #endif
 630 #ifdef SO_LINGER
 631         { SO_LINGER,    "SO_LINGER"     },
 632 #endif
 633 #ifdef SO_LISTENING
 634         { SO_LISTENING, "SO_LISTENING"  },
 635 #endif
 636 #ifdef SO_MGMT
 637         { SO_MGMT,      "SO_MGMT"       },
 638 #endif
 639 #ifdef SO_NO_CHECK
 640         { SO_NO_CHECK,  "SO_NO_CHECK"   },
 641 #endif
 642 #ifdef SO_OOBINLINE
 643         { SO_OOBINLINE, "SO_OOBINLINE"  },
 644 #endif
 645 #ifdef SO_ORDREL
 646         { SO_ORDREL,    "SO_ORDREL"     },
 647 #endif
 648 #ifdef SO_PARALLELSVR
 649         { SO_PARALLELSVR,       "SO_PARALLELSVR"        },
 650 #endif
 651 #ifdef SO_PASSCRED
 652         { SO_PASSCRED,  "SO_PASSCRED"   },
 653 #endif
 654 #ifdef SO_PEERCRED
 655         { SO_PEERCRED,  "SO_PEERCRED"   },
 656 #endif
 657 #ifdef SO_PEERNAME
 658         { SO_PEERNAME,  "SO_PEERNAME"   },
 659 #endif
 660 #ifdef SO_PEERSEC
 661         { SO_PEERSEC,   "SO_PEERSEC"    },
 662 #endif
 663 #ifdef SO_PRIORITY
 664         { SO_PRIORITY,  "SO_PRIORITY"   },
 665 #endif
 666 #ifdef SO_PROTOTYPE
 667         { SO_PROTOTYPE, "SO_PROTOTYPE"  },
 668 #endif
 669 #ifdef SO_RCVBUF
 670         { SO_RCVBUF,    "SO_RCVBUF"     },
 671 #endif
 672 #ifdef SO_RCVLOWAT
 673         { SO_RCVLOWAT,  "SO_RCVLOWAT"   },
 674 #endif
 675 #ifdef SO_RCVTIMEO
 676         { SO_RCVTIMEO,  "SO_RCVTIMEO"   },
 677 #endif
 678 #ifdef SO_RDWR
 679         { SO_RDWR,      "SO_RDWR"       },
 680 #endif
 681 #ifdef SO_REUSEADDR
 682         { SO_REUSEADDR, "SO_REUSEADDR"  },
 683 #endif
 684 #ifdef SO_REUSEPORT
 685         { SO_REUSEPORT, "SO_REUSEPORT"  },
 686 #endif
 687 #ifdef SO_SECURITY_AUTHENTICATION
 688         { SO_SECURITY_AUTHENTICATION,"SO_SECURITY_AUTHENTICATION"},
 689 #endif
 690 #ifdef SO_SECURITY_ENCRYPTION_NETWORK
 691         { SO_SECURITY_ENCRYPTION_NETWORK,"SO_SECURITY_ENCRYPTION_NETWORK"},
 692 #endif
 693 #ifdef SO_SECURITY_ENCRYPTION_TRANSPORT
 694         { SO_SECURITY_ENCRYPTION_TRANSPORT,"SO_SECURITY_ENCRYPTION_TRANSPORT"},
 695 #endif
 696 #ifdef SO_SEMA
 697         { SO_SEMA,      "SO_SEMA"       },
 698 #endif
 699 #ifdef SO_SNDBUF
 700         { SO_SNDBUF,    "SO_SNDBUF"     },
 701 #endif
 702 #ifdef SO_SNDLOWAT
 703         { SO_SNDLOWAT,  "SO_SNDLOWAT"   },
 704 #endif
 705 #ifdef SO_SNDTIMEO
 706         { SO_SNDTIMEO,  "SO_SNDTIMEO"   },
 707 #endif
 708 #ifdef SO_TIMESTAMP
 709         { SO_TIMESTAMP, "SO_TIMESTAMP"  },
 710 #endif
 711 #ifdef SO_TYPE
 712         { SO_TYPE,      "SO_TYPE"       },
 713 #endif
 714 #ifdef SO_USELOOPBACK
 715         { SO_USELOOPBACK,       "SO_USELOOPBACK"        },
 716 #endif
 717         { 0,            NULL            },
 718 };
 719
 720 #if !defined(SOL_IP) && defined(IPPROTO_IP)
 721 #define SOL_IP IPPROTO_IP
 722 #endif
 723
 724 #ifdef SOL_IP
 725 static const struct xlat sockipoptions[] = {
 726 #ifdef IP_TOS
 727         { IP_TOS,               "IP_TOS"                },
 728 #endif
 729 #ifdef IP_TTL
 730         { IP_TTL,               "IP_TTL"                },
 731 #endif
 732 #ifdef IP_HDRINCL
 733         { IP_HDRINCL,           "IP_HDRINCL"            },
 734 #endif
 735 #ifdef IP_OPTIONS
 736         { IP_OPTIONS,           "IP_OPTIONS"            },
 737 #endif
 738 #ifdef IP_ROUTER_ALERT
 739         { IP_ROUTER_ALERT,      "IP_ROUTER_ALERT"       },
 740 #endif
 741 #ifdef IP_RECVOPTIONS
 742         { IP_RECVOPTIONS,       "IP_RECVOPTIONS"        },
 743 #endif
 744 #ifdef IP_RECVOPTS
 745         { IP_RECVOPTS,          "IP_RECVOPTS"           },
 746 #endif
 747 #ifdef IP_RECVRETOPTS
 748         { IP_RECVRETOPTS,       "IP_RECVRETOPTS"        },
 749 #endif
 750 #ifdef IP_RECVDSTADDR
 751         { IP_RECVDSTADDR,       "IP_RECVDSTADDR"        },
 752 #endif
 753 #ifdef IP_RETOPTS
 754         { IP_RETOPTS,           "IP_RETOPTS"            },
 755 #endif
 756 #ifdef IP_PKTINFO
 757         { IP_PKTINFO,           "IP_PKTINFO"            },
 758 #endif
 759 #ifdef IP_PKTOPTIONS
 760         { IP_PKTOPTIONS,        "IP_PKTOPTIONS"         },
 761 #endif
 762 #ifdef IP_MTU_DISCOVER
 763         { IP_MTU_DISCOVER,      "IP_MTU_DISCOVER"       },
 764 #endif
 765 #ifdef IP_RECVERR
 766         { IP_RECVERR,           "IP_RECVERR"            },
 767 #endif
 768 #ifdef IP_RECVTTL
 769         { IP_RECVTTL,           "IP_RECVTTL"            },
 770 #endif
 771 #ifdef IP_RECVTOS
 772         { IP_RECVTOS,           "IP_RECVTOS"            },
 773 #endif
 774 #ifdef IP_MTU
 775         { IP_MTU,               "IP_MTU"                },
 776 #endif
 777 #ifdef IP_MULTICAST_IF
 778         { IP_MULTICAST_IF,      "IP_MULTICAST_IF"       },
 779 #endif
 780 #ifdef IP_MULTICAST_TTL
 781         { IP_MULTICAST_TTL,     "IP_MULTICAST_TTL"      },
 782 #endif
 783 #ifdef IP_MULTICAST_LOOP
 784         { IP_MULTICAST_LOOP,    "IP_MULTICAST_LOOP"     },
 785 #endif
 786 #ifdef IP_ADD_MEMBERSHIP
 787         { IP_ADD_MEMBERSHIP,    "IP_ADD_MEMBERSHIP"     },
 788 #endif
 789 #ifdef IP_DROP_MEMBERSHIP
 790         { IP_DROP_MEMBERSHIP,   "IP_DROP_MEMBERSHIP"    },
 791 #endif
 792 #ifdef IP_BROADCAST_IF
 793         { IP_BROADCAST_IF,      "IP_BROADCAST_IF"       },
 794 #endif
 795 #ifdef IP_RECVIFINDEX
 796         { IP_RECVIFINDEX,       "IP_RECVIFINDEX"        },
 797 #endif
 798 #ifdef IP_MSFILTER
 799         { IP_MSFILTER,          "IP_MSFILTER"           },
 800 #endif
 801 #ifdef MCAST_MSFILTER
 802         { MCAST_MSFILTER,       "MCAST_MSFILTER"        },
 803 #endif
 804 #ifdef IP_FREEBIND
 805         { IP_FREEBIND,          "IP_FREEBIND"           },
 806 #endif
 807         { 0,                    NULL                    },
 808 };
 809 #endif /* SOL_IP */
 810
 811 #ifdef SOL_IPV6
 812 static const struct xlat sockipv6options[] = {
 813 #ifdef IPV6_ADDRFORM
 814         { IPV6_ADDRFORM,        "IPV6_ADDRFORM"         },
 815 #endif
 816 #ifdef MCAST_FILTER
 817         { MCAST_FILTER,         "MCAST_FILTER"          },
 818 #endif
 819 #ifdef IPV6_PKTOPTIONS
 820         { IPV6_PKTOPTIONS,      "IPV6_PKTOPTIONS"       },
 821 #endif
 822 #ifdef IPV6_MTU
 823         { IPV6_MTU,             "IPV6_MTU"              },
 824 #endif
 825 #ifdef IPV6_V6ONLY
 826         { IPV6_V6ONLY,          "IPV6_V6ONLY"           },
 827 #endif
 828 #ifdef IPV6_PKTINFO
 829         { IPV6_PKTINFO,         "IPV6_PKTINFO"          },
 830 #endif
 831 #ifdef IPV6_HOPLIMIT
 832         { IPV6_HOPLIMIT,        "IPV6_HOPLIMIT"         },
 833 #endif
 834 #ifdef IPV6_RTHDR
 835         { IPV6_RTHDR,           "IPV6_RTHDR"            },
 836 #endif
 837 #ifdef IPV6_HOPOPTS
 838         { IPV6_HOPOPTS,         "IPV6_HOPOPTS"          },
 839 #endif
 840 #ifdef IPV6_DSTOPTS
 841         { IPV6_DSTOPTS,         "IPV6_DSTOPTS"          },
 842 #endif
 843 #ifdef IPV6_FLOWINFO
 844         { IPV6_FLOWINFO,        "IPV6_FLOWINFO"         },
 845 #endif
 846 #ifdef IPV6_UNICAST_HOPS
 847         { IPV6_UNICAST_HOPS,    "IPV6_UNICAST_HOPS"     },
 848 #endif
 849 #ifdef IPV6_MULTICAST_HOPS
 850         { IPV6_MULTICAST_HOPS,  "IPV6_MULTICAST_HOPS"   },
 851 #endif
 852 #ifdef IPV6_MULTICAST_LOOP
 853         { IPV6_MULTICAST_LOOP,  "IPV6_MULTICAST_LOOP"   },
 854 #endif
 855 #ifdef IPV6_MULTICAST_IF
 856         { IPV6_MULTICAST_IF,    "IPV6_MULTICAST_IF"     },
 857 #endif
 858 #ifdef IPV6_MTU_DISCOVER
 859         { IPV6_MTU_DISCOVER,    "IPV6_MTU_DISCOVER"     },
 860 #endif
 861 #ifdef IPV6_RECVERR
 862         { IPV6_RECVERR,         "IPV6_RECVERR"          },
 863 #endif
 864 #ifdef IPV6_FLOWINFO_SEND
 865         { IPV6_FLOWINFO_SEND,   "IPV6_FLOWINFO_SEND"    },
 866 #endif
 867 #ifdef IPV6_ADD_MEMBERSHIP
 868         { IPV6_ADD_MEMBERSHIP,  "IPV6_ADD_MEMBERSHIP"   },
 869 #endif
 870 #ifdef IPV6_DROP_MEMBERSHIP
 871         { IPV6_DROP_MEMBERSHIP, "IPV6_DROP_MEMBERSHIP"  },
 872 #endif
 873 #ifdef IPV6_ROUTER_ALERT
 874         { IPV6_ROUTER_ALERT,    "IPV6_ROUTER_ALERT"     },
 875 #endif
 876         { 0,                    NULL                    },
 877 };
 878 #endif /* SOL_IPV6 */
 879
 880 #ifdef SOL_IPX
 881 static const struct xlat sockipxoptions[] = {
 882         { IPX_TYPE,     "IPX_TYPE"      },
 883         { 0,            NULL            },
 884 };
 885 #endif /* SOL_IPX */
 886
 887 #ifdef SOL_RAW
 888 static const struct xlat sockrawoptions[] = {
 889 #if defined(ICMP_FILTER)
 890         { ICMP_FILTER,          "ICMP_FILTER"   },
 891 #endif
 892         { 0,                    NULL            },
 893 };
 894 #endif /* SOL_RAW */
 895
 896 #ifdef SOL_PACKET
 897 static const struct xlat sockpacketoptions[] = {
 898 #ifdef PACKET_ADD_MEMBERSHIP
 899         { PACKET_ADD_MEMBERSHIP,        "PACKET_ADD_MEMBERSHIP" },
 900 #endif
 901 #ifdef PACKET_DROP_MEMBERSHIP
 902         { PACKET_DROP_MEMBERSHIP,       "PACKET_DROP_MEMBERSHIP"},
 903 #endif
 904 #if defined(PACKET_RECV_OUTPUT)
 905         { PACKET_RECV_OUTPUT,           "PACKET_RECV_OUTPUT"    },
 906 #endif
 907 #if defined(PACKET_RX_RING)
 908         { PACKET_RX_RING,               "PACKET_RX_RING"        },
 909 #endif
 910 #if defined(PACKET_STATISTICS)
 911         { PACKET_STATISTICS,            "PACKET_STATISTICS"     },
 912 #endif
 913 #if defined(PACKET_COPY_THRESH)
 914         { PACKET_COPY_THRESH,           "PACKET_COPY_THRESH"    },
 915 #endif
 916 #if defined(PACKET_AUXDATA)
 917         { PACKET_AUXDATA,               "PACKET_AUXDATA"        },
 918 #endif
 919 #if defined(PACKET_ORIGDEV)
 920         { PACKET_ORIGDEV,               "PACKET_ORIGDEV"        },
 921 #endif
 922 #if defined(PACKET_VERSION)
 923         { PACKET_VERSION,               "PACKET_VERSION"        },
 924 #endif
 925 #if defined(PACKET_HDRLEN)
 926         { PACKET_HDRLEN,                "PACKET_HDRLEN" },
 927 #endif
 928 #if defined(PACKET_RESERVE)
 929         { PACKET_RESERVE,               "PACKET_RESERVE"        },
 930 #endif
 931 #if defined(PACKET_TX_RING)
 932         { PACKET_TX_RING,               "PACKET_TX_RING"        },
 933 #endif
 934 #if defined(PACKET_LOSS)
 935         { PACKET_LOSS,                  "PACKET_LOSS"   },
 936 #endif
 937         { 0,                            NULL                    },
 938 };
 939 #endif /* SOL_PACKET */
 940
 941 #ifdef SOL_SCTP
 942 static const struct xlat socksctpoptions[] = {
 943 #if defined(SCTP_RTOINFO)
 944         { SCTP_RTOINFO,                 "SCTP_RTOINFO"  },
 945 #endif
 946 #if defined(SCTP_ASSOCINFO)
 947         { SCTP_ASSOCINFO,               "SCTP_ASSOCINFO"},
 948 #endif
 949 #if defined(SCTP_INITMSG)
 950         { SCTP_INITMSG,                 "SCTP_INITMSG"  },
 951 #endif
 952 #if defined(SCTP_NODELAY)
 953         { SCTP_NODELAY,                 "SCTP_NODELAY"  },
 954 #endif
 955 #if defined(SCTP_AUTOCLOSE)
 956         { SCTP_AUTOCLOSE,               "SCTP_AUTOCLOSE"},
 957 #endif
 958 #if defined(SCTP_SET_PEER_PRIMARY_ADDR)
 959         { SCTP_SET_PEER_PRIMARY_ADDR,   "SCTP_SET_PEER_PRIMARY_ADDR"},
 960 #endif
 961 #if defined(SCTP_PRIMARY_ADDR)
 962         { SCTP_PRIMARY_ADDR,            "SCTP_PRIMARY_ADDR"     },
 963 #endif
 964 #if defined(SCTP_ADAPTATION_LAYER)
 965         { SCTP_ADAPTATION_LAYER,        "SCTP_ADAPTATION_LAYER" },
 966 #endif
 967 #if defined(SCTP_DISABLE_FRAGMENTS)
 968         { SCTP_DISABLE_FRAGMENTS,       "SCTP_DISABLE_FRAGMENTS"},
 969 #endif
 970 #if defined(SCTP_PEER_ADDR_PARAMS)
 971         { SCTP_PEER_ADDR_PARAMS,        "SCTP_PEER_ADDR_PARAMS" },
 972 #endif
 973 #if defined(SCTP_DEFAULT_SEND_PARAM)
 974         { SCTP_DEFAULT_SEND_PARAM,      "SCTP_DEFAULT_SEND_PARAM"},
 975 #endif
 976 #if defined(SCTP_EVENTS)
 977         { SCTP_EVENTS,                  "SCTP_EVENTS"           },
 978 #endif
 979 #if defined(SCTP_I_WANT_MAPPED_V4_ADDR)
 980         { SCTP_I_WANT_MAPPED_V4_ADDR,   "SCTP_I_WANT_MAPPED_V4_ADDR"},
 981 #endif
 982 #if defined(SCTP_MAXSEG)
 983         { SCTP_MAXSEG,                  "SCTP_MAXSEG"           },
 984 #endif
 985 #if defined(SCTP_STATUS)
 986         { SCTP_STATUS,                  "SCTP_STATUS"           },
 987 #endif
 988 #if defined(SCTP_GET_PEER_ADDR_INFO)
 989         { SCTP_GET_PEER_ADDR_INFO,      "SCTP_GET_PEER_ADDR_INFO"},
 990 #endif
 991 #if defined(SCTP_DELAYED_ACK)
 992         { SCTP_DELAYED_ACK,             "SCTP_DELAYED_ACK"      },
 993 #endif
 994 #if defined(SCTP_CONTEXT)
 995         { SCTP_CONTEXT,                 "SCTP_CONTEXT"          },
 996 #endif
 997 #if defined(SCTP_FRAGMENT_INTERLEAVE)
 998         { SCTP_FRAGMENT_INTERLEAVE,     "SCTP_FRAGMENT_INTERLEAVE"},
 999 #endif
1000 #if defined(SCTP_PARTIAL_DELIVERY_POINT)
1001         { SCTP_PARTIAL_DELIVERY_POINT,  "SCTP_PARTIAL_DELIVERY_POINT"},
1002 #endif
1003 #if defined(SCTP_MAX_BURST)
1004         { SCTP_MAX_BURST,               "SCTP_MAX_BURST"        },
1005 #endif
1006 #if defined(SCTP_AUTH_CHUNK)
1007         { SCTP_AUTH_CHUNK,              "SCTP_AUTH_CHUNK"       },
1008 #endif
1009 #if defined(SCTP_HMAC_IDENT)
1010         { SCTP_HMAC_IDENT,              "SCTP_HMAC_IDENT"       },
1011 #endif
1012 #if defined(SCTP_AUTH_KEY)
1013         { SCTP_AUTH_KEY,                "SCTP_AUTH_KEY"         },
1014 #endif
1015 #if defined(SCTP_AUTH_ACTIVE_KEY)
1016         { SCTP_AUTH_ACTIVE_KEY,         "SCTP_AUTH_ACTIVE_KEY"  },
1017 #endif
1018 #if defined(SCTP_AUTH_DELETE_KEY)
1019         { SCTP_AUTH_DELETE_KEY,         "SCTP_AUTH_DELETE_KEY"  },
1020 #endif
1021 #if defined(SCTP_PEER_AUTH_CHUNKS)
1022         { SCTP_PEER_AUTH_CHUNKS,        "SCTP_PEER_AUTH_CHUNKS" },
1023 #endif
1024 #if defined(SCTP_LOCAL_AUTH_CHUNKS)
1025         { SCTP_LOCAL_AUTH_CHUNKS,       "SCTP_LOCAL_AUTH_CHUNKS"},
1026 #endif
1027 #if defined(SCTP_GET_ASSOC_NUMBER)
1028         { SCTP_GET_ASSOC_NUMBER,        "SCTP_GET_ASSOC_NUMBER" },
1029 #endif
1030
1031         /* linux specific things */
1032 #if defined(SCTP_SOCKOPT_BINDX_ADD)
1033         { SCTP_SOCKOPT_BINDX_ADD,       "SCTP_SOCKOPT_BINDX_ADD"        },
1034 #endif
1035 #if defined(SCTP_SOCKOPT_BINDX_REM)
1036         { SCTP_SOCKOPT_BINDX_REM,       "SCTP_SOCKOPT_BINDX_REM"        },
1037 #endif
1038 #if defined(SCTP_SOCKOPT_PEELOFF)
1039         { SCTP_SOCKOPT_PEELOFF,         "SCTP_SOCKOPT_PEELOFF"          },
1040 #endif
1041 #if defined(SCTP_GET_PEER_ADDRS_NUM_OLD)
1042         { SCTP_GET_PEER_ADDRS_NUM_OLD,  "SCTP_GET_PEER_ADDRS_NUM_OLD"   },
1043 #endif
1044 #if defined(SCTP_GET_PEER_ADDRS_OLD)
1045         { SCTP_GET_PEER_ADDRS_OLD,      "SCTP_GET_PEER_ADDRS_OLD"       },
1046 #endif
1047 #if defined(SCTP_GET_LOCAL_ADDRS_NUM_OLD)
1048         { SCTP_GET_LOCAL_ADDRS_NUM_OLD, "SCTP_GET_LOCAL_ADDRS_NUM_OLD"  },
1049 #endif
1050 #if defined(SCTP_GET_LOCAL_ADDRS_OLD)
1051         { SCTP_GET_LOCAL_ADDRS_OLD,     "SCTP_GET_LOCAL_ADDRS_OLD"      },
1052 #endif
1053 #if defined(SCTP_SOCKOPT_CONNECTX_OLD)
1054         { SCTP_SOCKOPT_CONNECTX_OLD,    "SCTP_SOCKOPT_CONNECTX_OLD"     },
1055 #endif
1056 #if defined(SCTP_GET_PEER_ADDRS)
1057         { SCTP_GET_PEER_ADDRS,          "SCTP_GET_PEER_ADDRS"           },
1058 #endif
1059 #if defined(SCTP_GET_LOCAL_ADDRS)
1060         { SCTP_GET_LOCAL_ADDRS,         "SCTP_GET_LOCAL_ADDRS"          },
1061 #endif
1062
1063         { 0,    NULL    },
1064 };
1065 #endif
1066
1067 #if !defined(SOL_TCP) && defined(IPPROTO_TCP)
1068 #define SOL_TCP IPPROTO_TCP
1069 #endif
1070
1071 #ifdef SOL_TCP
1072 static const struct xlat socktcpoptions[] = {
1073         { TCP_NODELAY,          "TCP_NODELAY"   },
1074         { TCP_MAXSEG,           "TCP_MAXSEG"    },
1075 #if defined(TCP_CORK)
1076         { TCP_CORK,             "TCP_CORK"      },
1077 #endif
1078 #if defined(TCP_KEEPIDLE)
1079         { TCP_KEEPIDLE,         "TCP_KEEPIDLE" },
1080 #endif
1081 #if defined(TCP_KEEPINTVL)
1082         { TCP_KEEPINTVL,        "TCP_KEEPINTVL" },
1083 #endif
1084 #if defined(TCP_KEEPCNT)
1085         { TCP_KEEPCNT,          "TCP_KEEPCNT" },
1086 #endif
1087 #if defined(TCP_NKEEP)
1088         { TCP_NKEEP,            "TCP_NKEEP"     },
1089 #endif
1090 #if defined(TCP_SYNCNT)
1091         { TCP_SYNCNT,           "TCP_SYNCNT" },
1092 #endif
1093 #if defined(TCP_LINGER2)
1094         { TCP_LINGER2,          "TCP_LINGER2" },
1095 #endif
1096 #if defined(TCP_DEFER_ACCEPT)
1097         { TCP_DEFER_ACCEPT,     "TCP_DEFER_ACCEPT" },
1098 #endif
1099 #if defined(TCP_WINDOW_CLAMP)
1100         { TCP_WINDOW_CLAMP,     "TCP_WINDOW_CLAMP" },
1101 #endif
1102 #if defined(TCP_INFO)
1103         { TCP_INFO,             "TCP_INFO" },
1104 #endif
1105 #if defined(TCP_QUICKACK)
1106         { TCP_QUICKACK,         "TCP_QUICKACK" },
1107 #endif
1108 #if defined(TCP_CONGESTION)
1109         { TCP_CONGESTION,       "TCP_CONGESTION" },
1110 #endif
1111 #if defined(TCP_MD5SIG)
1112         { TCP_MD5SIG,           "TCP_MD5SIG" },
1113 #endif
1114 #if defined(TCP_COOKIE_TRANSACTIONS)
1115         { TCP_COOKIE_TRANSACTIONS,      "TCP_COOKIE_TRANSACTIONS" },
1116 #endif
1117 #if defined(TCP_THIN_LINEAR_TIMEOUTS)
1118         { TCP_THIN_LINEAR_TIMEOUTS,     "TCP_THIN_LINEAR_TIMEOUTS" },
1119 #endif
1120 #if defined(TCP_THIN_DUPACK)
1121         { TCP_THIN_DUPACK,      "TCP_THIN_DUPACK" },
1122 #endif
1123 #if defined(TCP_USER_TIMEOUT)
1124         { TCP_USER_TIMEOUT,     "TCP_USER_TIMEOUT" },
1125 #endif
1126         { 0,                    NULL            },
1127 };
1128 #endif /* SOL_TCP */
1129
1130 #ifdef SOL_RAW
1131 static const struct xlat icmpfilterflags[] = {
1132 #if defined(ICMP_ECHOREPLY)
1133         { (1<<ICMP_ECHOREPLY),          "ICMP_ECHOREPLY"        },
1134 #endif
1135 #if defined(ICMP_DEST_UNREACH)
1136         { (1<<ICMP_DEST_UNREACH),       "ICMP_DEST_UNREACH"     },
1137 #endif
1138 #if defined(ICMP_SOURCE_QUENCH)
1139         { (1<<ICMP_SOURCE_QUENCH),      "ICMP_SOURCE_QUENCH"    },
1140 #endif
1141 #if defined(ICMP_REDIRECT)
1142         { (1<<ICMP_REDIRECT),           "ICMP_REDIRECT"         },
1143 #endif
1144 #if defined(ICMP_ECHO)
1145         { (1<<ICMP_ECHO),               "ICMP_ECHO"             },
1146 #endif
1147 #if defined(ICMP_TIME_EXCEEDED)
1148         { (1<<ICMP_TIME_EXCEEDED),      "ICMP_TIME_EXCEEDED"    },
1149 #endif
1150 #if defined(ICMP_PARAMETERPROB)
1151         { (1<<ICMP_PARAMETERPROB),      "ICMP_PARAMETERPROB"    },
1152 #endif
1153 #if defined(ICMP_TIMESTAMP)
1154         { (1<<ICMP_TIMESTAMP),          "ICMP_TIMESTAMP"        },
1155 #endif
1156 #if defined(ICMP_TIMESTAMPREPLY)
1157         { (1<<ICMP_TIMESTAMPREPLY),     "ICMP_TIMESTAMPREPLY"   },
1158 #endif
1159 #if defined(ICMP_INFO_REQUEST)
1160         { (1<<ICMP_INFO_REQUEST),       "ICMP_INFO_REQUEST"     },
1161 #endif
1162 #if defined(ICMP_INFO_REPLY)
1163         { (1<<ICMP_INFO_REPLY),         "ICMP_INFO_REPLY"       },
1164 #endif
1165 #if defined(ICMP_ADDRESS)
1166         { (1<<ICMP_ADDRESS),            "ICMP_ADDRESS"          },
1167 #endif
1168 #if defined(ICMP_ADDRESSREPLY)
1169         { (1<<ICMP_ADDRESSREPLY),       "ICMP_ADDRESSREPLY"     },
1170 #endif
1171         { 0,                            NULL                    },
1172 };
1173 #endif /* SOL_RAW */
1174
1175 #if defined(AF_PACKET) /* from e.g. linux/if_packet.h */
1176 static const struct xlat af_packet_types[] = {
1177 #if defined(PACKET_HOST)
1178         { PACKET_HOST,                  "PACKET_HOST"           },
1179 #endif
1180 #if defined(PACKET_BROADCAST)
1181         { PACKET_BROADCAST,             "PACKET_BROADCAST"      },
1182 #endif
1183 #if defined(PACKET_MULTICAST)
1184         { PACKET_MULTICAST,             "PACKET_MULTICAST"      },
1185 #endif
1186 #if defined(PACKET_OTHERHOST)
1187         { PACKET_OTHERHOST,             "PACKET_OTHERHOST"      },
1188 #endif
1189 #if defined(PACKET_OUTGOING)
1190         { PACKET_OUTGOING,              "PACKET_OUTGOING"       },
1191 #endif
1192 #if defined(PACKET_LOOPBACK)
1193         { PACKET_LOOPBACK,              "PACKET_LOOPBACK"       },
1194 #endif
1195 #if defined(PACKET_FASTROUTE)
1196         { PACKET_FASTROUTE,             "PACKET_FASTROUTE"      },
1197 #endif
1198         { 0,                            NULL                    },
1199 };
1200 #endif /* defined(AF_PACKET) */
1201
1202 void
1203 printsock(struct tcb *tcp, long addr, int addrlen)
1204 {
1205         union {
1206                 char pad[128];
1207                 struct sockaddr sa;
1208                 struct sockaddr_in sin;
1209                 struct sockaddr_un sau;
1210 #ifdef HAVE_INET_NTOP
1211                 struct sockaddr_in6 sa6;
1212 #endif
1213 #if defined(AF_IPX)
1214                 struct sockaddr_ipx sipx;
1215 #endif
1216 #ifdef AF_PACKET
1217                 struct sockaddr_ll ll;
1218 #endif
1219 #ifdef AF_NETLINK
1220                 struct sockaddr_nl nl;
1221 #endif
1222         } addrbuf;
1223         char string_addr[100];
1224
1225         if (addr == 0) {
1226                 tprints("NULL");
1227                 return;
1228         }
1229         if (!verbose(tcp)) {
1230                 tprintf("%#lx", addr);
1231                 return;
1232         }
1233
1234         if (addrlen < 2 || addrlen > sizeof(addrbuf))
1235                 addrlen = sizeof(addrbuf);
1236
1237         memset(&addrbuf, 0, sizeof(addrbuf));
1238         if (umoven(tcp, addr, addrlen, addrbuf.pad) < 0) {
1239                 tprints("{...}");
1240                 return;
1241         }
1242         addrbuf.pad[sizeof(addrbuf.pad) - 1] = '\0';
1243
1244         tprints("{sa_family=");
1245         printxval(addrfams, addrbuf.sa.sa_family, "AF_???");
1246         tprints(", ");
1247
1248         switch (addrbuf.sa.sa_family) {
1249         case AF_UNIX:
1250                 if (addrlen == 2) {
1251                         tprints("NULL");
1252                 } else if (addrbuf.sau.sun_path[0]) {
1253                         tprints("sun_path=");
1254                         printpathn(tcp, addr + 2, strlen(addrbuf.sau.sun_path));
1255                 } else {
1256                         tprints("sun_path=@");
1257                         printpathn(tcp, addr + 3, strlen(addrbuf.sau.sun_path + 1));
1258                 }
1259                 break;
1260         case AF_INET:
1261                 tprintf("sin_port=htons(%u), sin_addr=inet_addr(\"%s\")",
1262                         ntohs(addrbuf.sin.sin_port), inet_ntoa(addrbuf.sin.sin_addr));
1263                 break;
1264 #ifdef HAVE_INET_NTOP
1265         case AF_INET6:
1266                 inet_ntop(AF_INET6, &addrbuf.sa6.sin6_addr, string_addr, sizeof(string_addr));
1267                 tprintf("sin6_port=htons(%u), inet_pton(AF_INET6, \"%s\", &sin6_addr), sin6_flowinfo=%u",
1268                                 ntohs(addrbuf.sa6.sin6_port), string_addr,
1269                                 addrbuf.sa6.sin6_flowinfo);
1270 #ifdef HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID
1271                 {
1272 #if defined(HAVE_IF_INDEXTONAME) && defined(IN6_IS_ADDR_LINKLOCAL) && defined(IN6_IS_ADDR_MC_LINKLOCAL)
1273                         int numericscope = 0;
1274                         if (IN6_IS_ADDR_LINKLOCAL(&addrbuf.sa6.sin6_addr)
1275                             || IN6_IS_ADDR_MC_LINKLOCAL(&addrbuf.sa6.sin6_addr)) {
1276                                 char scopebuf[IFNAMSIZ + 1];
1277
1278                                 if (if_indextoname(addrbuf.sa6.sin6_scope_id, scopebuf) == NULL)
1279                                         numericscope++;
1280                                 else
1281                                         tprintf(", sin6_scope_id=if_nametoindex(\"%s\")", scopebuf);
1282                         } else
1283                                 numericscope++;
1284
1285                         if (numericscope)
1286 #endif
1287                                 tprintf(", sin6_scope_id=%u", addrbuf.sa6.sin6_scope_id);
1288                 }
1289 #endif
1290                 break;
1291 #endif
1292 #if defined(AF_IPX)
1293         case AF_IPX:
1294                 {
1295                         int i;
1296                         tprintf("sipx_port=htons(%u), ",
1297                                         ntohs(addrbuf.sipx.sipx_port));
1298                         /* Yes, I know, this does not look too
1299                          * strace-ish, but otherwise the IPX
1300                          * addresses just look monstrous...
1301                          * Anyways, feel free if you don't like
1302                          * this way.. :)
1303                          */
1304                         tprintf("%08lx:", (unsigned long)ntohl(addrbuf.sipx.sipx_network));
1305                         for (i = 0; i < IPX_NODE_LEN; i++)
1306                                 tprintf("%02x", addrbuf.sipx.sipx_node[i]);
1307                         tprintf("/[%02x]", addrbuf.sipx.sipx_type);
1308                 }
1309                 break;
1310 #endif /* AF_IPX */
1311 #ifdef AF_PACKET
1312         case AF_PACKET:
1313                 {
1314                         int i;
1315                         tprintf("proto=%#04x, if%d, pkttype=",
1316                                         ntohs(addrbuf.ll.sll_protocol),
1317                                         addrbuf.ll.sll_ifindex);
1318                         printxval(af_packet_types, addrbuf.ll.sll_pkttype, "?");
1319                         tprintf(", addr(%d)={%d, ",
1320                                         addrbuf.ll.sll_halen,
1321                                         addrbuf.ll.sll_hatype);
1322                         for (i = 0; i < addrbuf.ll.sll_halen; i++)
1323                                 tprintf("%02x", addrbuf.ll.sll_addr[i]);
1324                 }
1325                 break;
1326
1327 #endif /* AF_PACKET */
1328 #ifdef AF_NETLINK
1329         case AF_NETLINK:
1330                 tprintf("pid=%d, groups=%08x", addrbuf.nl.nl_pid, addrbuf.nl.nl_groups);
1331                 break;
1332 #endif /* AF_NETLINK */
1333         /* AF_AX25 AF_APPLETALK AF_NETROM AF_BRIDGE AF_AAL5
1334         AF_X25 AF_ROSE etc. still need to be done */
1335
1336         default:
1337                 tprints("sa_data=");
1338                 printstr(tcp, (long) &((struct sockaddr *) addr)->sa_data,
1339                         sizeof addrbuf.sa.sa_data);
1340                 break;
1341         }
1342         tprints("}");
1343 }
1344
1345 #if HAVE_SENDMSG
1346 static const struct xlat scmvals[] = {
1347 #ifdef SCM_RIGHTS
1348         { SCM_RIGHTS,           "SCM_RIGHTS"            },
1349 #endif
1350 #ifdef SCM_CREDENTIALS
1351         { SCM_CREDENTIALS,      "SCM_CREDENTIALS"       },
1352 #endif
1353         { 0,                    NULL                    }
1354 };
1355
1356 static void
1357 printcmsghdr(struct tcb *tcp, unsigned long addr, unsigned long len)
1358 {
1359         struct cmsghdr *cmsg = len < sizeof(struct cmsghdr) ?
1360                                NULL : malloc(len);
1361         if (cmsg == NULL || umoven(tcp, addr, len, (char *) cmsg) < 0) {
1362                 tprintf(", msg_control=%#lx", addr);
1363                 free(cmsg);
1364                 return;
1365         }
1366
1367         tprintf(", {cmsg_len=%u, cmsg_level=", (unsigned) cmsg->cmsg_len);
1368         printxval(socketlayers, cmsg->cmsg_level, "SOL_???");
1369         tprints(", cmsg_type=");
1370
1371         if (cmsg->cmsg_level == SOL_SOCKET) {
1372                 unsigned long cmsg_len;
1373
1374                 printxval(scmvals, cmsg->cmsg_type, "SCM_???");
1375                 cmsg_len = (len < cmsg->cmsg_len) ? len : cmsg->cmsg_len;
1376
1377                 if (cmsg->cmsg_type == SCM_RIGHTS
1378                     && CMSG_LEN(sizeof(int)) <= cmsg_len) {
1379                         int *fds = (int *) CMSG_DATA(cmsg);
1380                         int first = 1;
1381
1382                         tprints(", {");
1383                         while ((char *) fds < ((char *) cmsg + cmsg_len)) {
1384                                 if (!first)
1385                                         tprints(", ");
1386                                 tprintf("%d", *fds++);
1387                                 first = 0;
1388                         }
1389                         tprints("}}");
1390                         free(cmsg);
1391                         return;
1392                 }
1393                 if (cmsg->cmsg_type == SCM_CREDENTIALS
1394                     && CMSG_LEN(sizeof(struct ucred)) <= cmsg_len) {
1395                         struct ucred *uc = (struct ucred *) CMSG_DATA(cmsg);
1396
1397                         tprintf("{pid=%ld, uid=%ld, gid=%ld}}",
1398                                 (long)uc->pid, (long)uc->uid, (long)uc->gid);
1399                         free(cmsg);
1400                         return;
1401                 }
1402         }
1403         free(cmsg);
1404         tprints(", ...}");
1405 }
1406
1407 static void
1408 do_msghdr(struct tcb *tcp, struct msghdr *msg, unsigned long data_size)
1409 {
1410         tprintf("{msg_name(%d)=", msg->msg_namelen);
1411         printsock(tcp, (long)msg->msg_name, msg->msg_namelen);
1412
1413         tprintf(", msg_iov(%lu)=", (unsigned long)msg->msg_iovlen);
1414         tprint_iov_upto(tcp, (unsigned long)msg->msg_iovlen,
1415                    (unsigned long)msg->msg_iov, 1, data_size);
1416
1417 #ifdef HAVE_STRUCT_MSGHDR_MSG_CONTROL
1418         tprintf(", msg_controllen=%lu", (unsigned long)msg->msg_controllen);
1419         if (msg->msg_controllen)
1420                 printcmsghdr(tcp, (unsigned long) msg->msg_control,
1421                              msg->msg_controllen);
1422         tprints(", msg_flags=");
1423         printflags(msg_flags, msg->msg_flags, "MSG_???");
1424 #else /* !HAVE_STRUCT_MSGHDR_MSG_CONTROL */
1425         tprintf("msg_accrights=%#lx, msg_accrightslen=%u",
1426                 (unsigned long) msg->msg_accrights, msg->msg_accrightslen);
1427 #endif /* !HAVE_STRUCT_MSGHDR_MSG_CONTROL */
1428         tprints("}");
1429 }
1430
1431 static void
1432 printmsghdr(struct tcb *tcp, long addr, unsigned long data_size)
1433 {
1434         struct msghdr msg;
1435
1436         if (umove(tcp, addr, &msg) < 0) {
1437                 tprintf("%#lx", addr);
1438                 return;
1439         }
1440         do_msghdr(tcp, &msg, data_size);
1441 }
1442
1443 static void
1444 printmmsghdr(struct tcb *tcp, long addr, unsigned int idx)
1445 {
1446         struct mmsghdr {
1447                 struct msghdr msg_hdr;
1448                 unsigned msg_len;
1449         } mmsg;
1450
1451         addr += sizeof(mmsg) * idx;
1452         if (umove(tcp, addr, &mmsg) < 0) {
1453                 tprintf("%#lx", addr);
1454                 return;
1455         }
1456         tprints("{");
1457         do_msghdr(tcp, &mmsg.msg_hdr, (unsigned long) -1L);
1458         tprintf(", %u}", mmsg.msg_len);
1459 }
1460
1461 static void
1462 decode_mmsg(struct tcb *tcp)
1463 {
1464         /* mmsgvec */
1465         if (syserror(tcp)) {
1466                 tprintf("%#lx", tcp->u_arg[1]);
1467         } else {
1468                 unsigned int len = tcp->u_rval;
1469                 unsigned int i;
1470
1471                 tprints("{");
1472                 for (i = 0; i < len; ++i) {
1473                         if (i)
1474                                 tprints(", ");
1475                         printmmsghdr(tcp, tcp->u_arg[1], i);
1476                 }
1477                 tprints("}");
1478         }
1479         /* vlen */
1480         tprintf(", %u, ", (unsigned int) tcp->u_arg[2]);
1481         /* flags */
1482         printflags(msg_flags, tcp->u_arg[3], "MSG_???");
1483 }
1484
1485 #endif /* HAVE_SENDMSG */
1486
1487 /*
1488  * low bits of the socket type define real socket type,
1489  * other bits are socket type flags.
1490  */
1491 static void
1492 tprint_sock_type(struct tcb *tcp, int flags)
1493 {
1494         const char *str = xlookup(socktypes, flags & SOCK_TYPE_MASK);
1495
1496         if (str) {
1497                 tprints(str);
1498                 flags &= ~SOCK_TYPE_MASK;
1499                 if (!flags)
1500                         return;
1501                 tprints("|");
1502         }
1503         printflags(sock_type_flags, flags, "SOCK_???");
1504 }
1505
1506 int
1507 sys_socket(struct tcb *tcp)
1508 {
1509         if (entering(tcp)) {
1510                 printxval(domains, tcp->u_arg[0], "PF_???");
1511                 tprints(", ");
1512                 tprint_sock_type(tcp, tcp->u_arg[1]);
1513                 tprints(", ");
1514                 switch (tcp->u_arg[0]) {
1515                 case PF_INET:
1516 #ifdef PF_INET6
1517                 case PF_INET6:
1518 #endif
1519                         printxval(protocols, tcp->u_arg[2], "IPPROTO_???");
1520                         break;
1521 #ifdef PF_IPX
1522                 case PF_IPX:
1523                         /* BTW: I don't believe this.. */
1524                         tprints("[");
1525                         printxval(domains, tcp->u_arg[2], "PF_???");
1526                         tprints("]");
1527                         break;
1528 #endif /* PF_IPX */
1529                 default:
1530                         tprintf("%lu", tcp->u_arg[2]);
1531                         break;
1532                 }
1533         }
1534         return 0;
1535 }
1536
1537 int
1538 sys_bind(struct tcb *tcp)
1539 {
1540         if (entering(tcp)) {
1541                 tprintf("%ld, ", tcp->u_arg[0]);
1542                 printsock(tcp, tcp->u_arg[1], tcp->u_arg[2]);
1543                 tprintf(", %lu", tcp->u_arg[2]);
1544         }
1545         return 0;
1546 }
1547
1548 int
1549 sys_connect(struct tcb *tcp)
1550 {
1551         return sys_bind(tcp);
1552 }
1553
1554 int
1555 sys_listen(struct tcb *tcp)
1556 {
1557         if (entering(tcp)) {
1558                 tprintf("%ld, %lu", tcp->u_arg[0], tcp->u_arg[1]);
1559         }
1560         return 0;
1561 }
1562
1563 static int
1564 do_accept(struct tcb *tcp, int flags_arg)
1565 {
1566         if (entering(tcp)) {
1567                 tprintf("%ld, ", tcp->u_arg[0]);
1568                 return 0;
1569         }
1570         if (!tcp->u_arg[2])
1571                 tprintf("%#lx, NULL", tcp->u_arg[1]);
1572         else {
1573                 int len;
1574                 if (tcp->u_arg[1] == 0 || syserror(tcp)
1575                     || umove(tcp, tcp->u_arg[2], &len) < 0) {
1576                         tprintf("%#lx", tcp->u_arg[1]);
1577                 } else {
1578                         printsock(tcp, tcp->u_arg[1], len);
1579                 }
1580                 tprints(", ");
1581                 printnum_int(tcp, tcp->u_arg[2], "%u");
1582         }
1583         if (flags_arg >= 0) {
1584                 tprints(", ");
1585                 printflags(sock_type_flags, tcp->u_arg[flags_arg],
1586                            "SOCK_???");
1587         }
1588         return 0;
1589 }
1590
1591 int
1592 sys_accept(struct tcb *tcp)
1593 {
1594         return do_accept(tcp, -1);
1595 }
1596
1597 int
1598 sys_accept4(struct tcb *tcp)
1599 {
1600         return do_accept(tcp, 3);
1601 }
1602
1603 int
1604 sys_send(struct tcb *tcp)
1605 {
1606         if (entering(tcp)) {
1607                 tprintf("%ld, ", tcp->u_arg[0]);
1608                 printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
1609                 tprintf(", %lu, ", tcp->u_arg[2]);
1610                 /* flags */
1611                 printflags(msg_flags, tcp->u_arg[3], "MSG_???");
1612         }
1613         return 0;
1614 }
1615
1616 int
1617 sys_sendto(struct tcb *tcp)
1618 {
1619         if (entering(tcp)) {
1620                 tprintf("%ld, ", tcp->u_arg[0]);
1621                 printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
1622                 tprintf(", %lu, ", tcp->u_arg[2]);
1623                 /* flags */
1624                 printflags(msg_flags, tcp->u_arg[3], "MSG_???");
1625                 /* to address */
1626                 tprints(", ");
1627                 printsock(tcp, tcp->u_arg[4], tcp->u_arg[5]);
1628                 /* to length */
1629                 tprintf(", %lu", tcp->u_arg[5]);
1630         }
1631         return 0;
1632 }
1633
1634 #ifdef HAVE_SENDMSG
1635
1636 int
1637 sys_sendmsg(struct tcb *tcp)
1638 {
1639         if (entering(tcp)) {
1640                 tprintf("%ld, ", tcp->u_arg[0]);
1641                 printmsghdr(tcp, tcp->u_arg[1], (unsigned long) -1L);
1642                 /* flags */
1643                 tprints(", ");
1644                 printflags(msg_flags, tcp->u_arg[2], "MSG_???");
1645         }
1646         return 0;
1647 }
1648
1649 int
1650 sys_sendmmsg(struct tcb *tcp)
1651 {
1652         if (entering(tcp)) {
1653                 /* sockfd */
1654                 tprintf("%d, ", (int) tcp->u_arg[0]);
1655                 if (!verbose(tcp)) {
1656                         tprintf("%#lx, %u, ",
1657                                 tcp->u_arg[1], (unsigned int) tcp->u_arg[2]);
1658                         printflags(msg_flags, tcp->u_arg[3], "MSG_???");
1659                 }
1660         } else {
1661                 if (verbose(tcp))
1662                         decode_mmsg(tcp);
1663         }
1664         return 0;
1665 }
1666
1667 #endif /* HAVE_SENDMSG */
1668
1669 int
1670 sys_recv(struct tcb *tcp)
1671 {
1672         if (entering(tcp)) {
1673                 tprintf("%ld, ", tcp->u_arg[0]);
1674         } else {
1675                 if (syserror(tcp))
1676                         tprintf("%#lx", tcp->u_arg[1]);
1677                 else
1678                         printstr(tcp, tcp->u_arg[1], tcp->u_rval);
1679
1680                 tprintf(", %lu, ", tcp->u_arg[2]);
1681                 printflags(msg_flags, tcp->u_arg[3], "MSG_???");
1682         }
1683         return 0;
1684 }
1685
1686 int
1687 sys_recvfrom(struct tcb *tcp)
1688 {
1689         int fromlen;
1690
1691         if (entering(tcp)) {
1692                 tprintf("%ld, ", tcp->u_arg[0]);
1693         } else {
1694                 if (syserror(tcp)) {
1695                         tprintf("%#lx, %lu, %lu, %#lx, %#lx",
1696                                 tcp->u_arg[1], tcp->u_arg[2], tcp->u_arg[3],
1697                                 tcp->u_arg[4], tcp->u_arg[5]);
1698                         return 0;
1699                 }
1700                 /* buf */
1701                 printstr(tcp, tcp->u_arg[1], tcp->u_rval);
1702                 /* len */
1703                 tprintf(", %lu, ", tcp->u_arg[2]);
1704                 /* flags */
1705                 printflags(msg_flags, tcp->u_arg[3], "MSG_???");
1706                 /* from address, len */
1707                 if (!tcp->u_arg[4] || !tcp->u_arg[5]) {
1708                         if (tcp->u_arg[4] == 0)
1709                                 tprints(", NULL");
1710                         else
1711                                 tprintf(", %#lx", tcp->u_arg[4]);
1712                         if (tcp->u_arg[5] == 0)
1713                                 tprints(", NULL");
1714                         else
1715                                 tprintf(", %#lx", tcp->u_arg[5]);
1716                         return 0;
1717                 }
1718                 if (umove(tcp, tcp->u_arg[5], &fromlen) < 0) {
1719                         tprints(", {...}, [?]");
1720                         return 0;
1721                 }
1722                 tprints(", ");
1723                 printsock(tcp, tcp->u_arg[4], tcp->u_arg[5]);
1724                 /* from length */
1725                 tprintf(", [%u]", fromlen);
1726         }
1727         return 0;
1728 }
1729
1730 #ifdef HAVE_SENDMSG
1731
1732 int
1733 sys_recvmsg(struct tcb *tcp)
1734 {
1735         if (entering(tcp)) {
1736                 tprintf("%ld, ", tcp->u_arg[0]);
1737         } else {
1738                 if (syserror(tcp) || !verbose(tcp))
1739                         tprintf("%#lx", tcp->u_arg[1]);
1740                 else
1741                         printmsghdr(tcp, tcp->u_arg[1], tcp->u_rval);
1742                 /* flags */
1743                 tprints(", ");
1744                 printflags(msg_flags, tcp->u_arg[2], "MSG_???");
1745         }
1746         return 0;
1747 }
1748
1749 int
1750 sys_recvmmsg(struct tcb *tcp)
1751 {
1752         /* +5 chars are for "left " prefix */
1753         static char str[5 + TIMESPEC_TEXT_BUFSIZE];
1754
1755         if (entering(tcp)) {
1756                 tprintf("%ld, ", tcp->u_arg[0]);
1757                 if (verbose(tcp)) {
1758                         sprint_timespec(str, tcp, tcp->u_arg[4]);
1759                         /* Abusing tcp->auxstr as temp storage.
1760                          * Will be used and freed on syscall exit.
1761                          */
1762                         tcp->auxstr = strdup(str);
1763                 } else {
1764                         tprintf("%#lx, %ld, ", tcp->u_arg[1], tcp->u_arg[2]);
1765                         printflags(msg_flags, tcp->u_arg[3], "MSG_???");
1766                         tprints(", ");
1767                         print_timespec(tcp, tcp->u_arg[4]);
1768                 }
1769                 return 0;
1770         } else {
1771                 if (verbose(tcp)) {
1772                         decode_mmsg(tcp);
1773                         /* timeout on entrance */
1774                         tprintf(", %s", tcp->auxstr ? tcp->auxstr : "{...}");
1775                         free((void *) tcp->auxstr);
1776                         tcp->auxstr = NULL;
1777                 }
1778                 if (syserror(tcp))
1779                         return 0;
1780                 if (tcp->u_rval == 0) {
1781                         tcp->auxstr = "Timeout";
1782                         return RVAL_STR;
1783                 }
1784                 if (!verbose(tcp))
1785                         return 0;
1786                 /* timeout on exit */
1787                 sprint_timespec(stpcpy(str, "left "), tcp, tcp->u_arg[4]);
1788                 tcp->auxstr = str;
1789                 return RVAL_STR;
1790         }
1791 }
1792
1793 #endif /* HAVE_SENDMSG */
1794
1795 static const struct xlat shutdown_modes[] = {
1796         { 0,    "SHUT_RD"       },
1797         { 1,    "SHUT_WR"       },
1798         { 2,    "SHUT_RDWR"     },
1799         { 0,    NULL            }
1800 };
1801
1802 int
1803 sys_shutdown(struct tcb *tcp)
1804 {
1805         if (entering(tcp)) {
1806                 tprintf("%ld, ", tcp->u_arg[0]);
1807                 printxval(shutdown_modes, tcp->u_arg[1], "SHUT_???");
1808         }
1809         return 0;
1810 }
1811
1812 int
1813 sys_getsockname(struct tcb *tcp)
1814 {
1815         return sys_accept(tcp);
1816 }
1817
1818 int
1819 sys_getpeername(struct tcb *tcp)
1820 {
1821         return sys_accept(tcp);
1822 }
1823
1824 static int
1825 do_pipe(struct tcb *tcp, int flags_arg)
1826 {
1827         if (exiting(tcp)) {
1828                 if (syserror(tcp)) {
1829                         tprintf("%#lx", tcp->u_arg[0]);
1830                 } else {
1831 #if !defined(SPARC) && !defined(SPARC64) && !defined(SH) && !defined(IA64)
1832                         int fds[2];
1833
1834                         if (umoven(tcp, tcp->u_arg[0], sizeof fds, (char *) fds) < 0)
1835                                 tprints("[...]");
1836                         else
1837                                 tprintf("[%u, %u]", fds[0], fds[1]);
1838 #elif defined(SPARC) || defined(SPARC64) || defined(SH) || defined(IA64)
1839                         tprintf("[%lu, %lu]", tcp->u_rval, getrval2(tcp));
1840 #else
1841                         tprintf("%#lx", tcp->u_arg[0]);
1842 #endif
1843                 }
1844                 if (flags_arg >= 0) {
1845                         tprints(", ");
1846                         printflags(open_mode_flags, tcp->u_arg[flags_arg], "O_???");
1847                 }
1848         }
1849         return 0;
1850 }
1851
1852 int
1853 sys_pipe(struct tcb *tcp)
1854 {
1855         return do_pipe(tcp, -1);
1856 }
1857
1858 int
1859 sys_pipe2(struct tcb *tcp)
1860 {
1861         return do_pipe(tcp, 1);
1862 }
1863
1864 int
1865 sys_socketpair(struct tcb *tcp)
1866 {
1867         int fds[2];
1868
1869         if (entering(tcp)) {
1870                 printxval(domains, tcp->u_arg[0], "PF_???");
1871                 tprints(", ");
1872                 tprint_sock_type(tcp, tcp->u_arg[1]);
1873                 tprints(", ");
1874                 switch (tcp->u_arg[0]) {
1875                 case PF_INET:
1876                         printxval(protocols, tcp->u_arg[2], "IPPROTO_???");
1877                         break;
1878 #ifdef PF_IPX
1879                 case PF_IPX:
1880                         /* BTW: I don't believe this.. */
1881                         tprints("[");
1882                         printxval(domains, tcp->u_arg[2], "PF_???");
1883                         tprints("]");
1884                         break;
1885 #endif /* PF_IPX */
1886                 default:
1887                         tprintf("%lu", tcp->u_arg[2]);
1888                         break;
1889                 }
1890         } else {
1891                 if (syserror(tcp)) {
1892                         tprintf(", %#lx", tcp->u_arg[3]);
1893                         return 0;
1894                 }
1895                 if (umoven(tcp, tcp->u_arg[3], sizeof fds, (char *) fds) < 0)
1896                         tprints(", [...]");
1897                 else
1898                         tprintf(", [%u, %u]", fds[0], fds[1]);
1899         }
1900         return 0;
1901 }
1902
1903 int
1904 sys_getsockopt(struct tcb *tcp)
1905 {
1906         if (entering(tcp)) {
1907                 tprintf("%ld, ", tcp->u_arg[0]);
1908                 printxval(socketlayers, tcp->u_arg[1], "SOL_???");
1909                 tprints(", ");
1910                 switch (tcp->u_arg[1]) {
1911                 case SOL_SOCKET:
1912                         printxval(sockoptions, tcp->u_arg[2], "SO_???");
1913                         break;
1914 #ifdef SOL_IP
1915                 case SOL_IP:
1916                         printxval(sockipoptions, tcp->u_arg[2], "IP_???");
1917                         break;
1918 #endif
1919 #ifdef SOL_IPV6
1920                 case SOL_IPV6:
1921                         printxval(sockipv6options, tcp->u_arg[2], "IPV6_???");
1922                         break;
1923 #endif
1924 #ifdef SOL_IPX
1925                 case SOL_IPX:
1926                         printxval(sockipxoptions, tcp->u_arg[2], "IPX_???");
1927                         break;
1928 #endif
1929 #ifdef SOL_PACKET
1930                 case SOL_PACKET:
1931                         printxval(sockpacketoptions, tcp->u_arg[2], "PACKET_???");
1932                         break;
1933 #endif
1934 #ifdef SOL_TCP
1935                 case SOL_TCP:
1936                         printxval(socktcpoptions, tcp->u_arg[2], "TCP_???");
1937                         break;
1938 #endif
1939 #ifdef SOL_SCTP
1940                 case SOL_SCTP:
1941                         printxval(socksctpoptions, tcp->u_arg[2], "SCTP_???");
1942                         break;
1943 #endif
1944
1945                 /* SOL_AX25 SOL_ROSE SOL_ATALK SOL_NETROM SOL_UDP SOL_DECNET SOL_X25
1946                  * etc. still need work */
1947                 default:
1948                         tprintf("%lu", tcp->u_arg[2]);
1949                         break;
1950                 }
1951                 tprints(", ");
1952         } else {
1953                 int len;
1954                 if (syserror(tcp) || umove(tcp, tcp->u_arg[4], &len) < 0) {
1955                         tprintf("%#lx, %#lx",
1956                                 tcp->u_arg[3], tcp->u_arg[4]);
1957                         return 0;
1958                 }
1959
1960                 switch (tcp->u_arg[1]) {
1961                 case SOL_SOCKET:
1962                         switch (tcp->u_arg[2]) {
1963 #ifdef SO_LINGER
1964                         case SO_LINGER:
1965                                 if (len == sizeof(struct linger)) {
1966                                         struct linger linger;
1967                                         if (umove(tcp,
1968                                                    tcp->u_arg[3],
1969                                                    &linger) < 0)
1970                                                 break;
1971                                         tprintf("{onoff=%d, linger=%d}, "
1972                                                 "[%d]",
1973                                                 linger.l_onoff,
1974                                                 linger.l_linger,
1975                                                 len);
1976                                         return 0;
1977                                 }
1978                                 break;
1979 #endif
1980 #ifdef SO_PEERCRED
1981                         case SO_PEERCRED:
1982                                 if (len == sizeof(struct ucred)) {
1983                                         struct ucred uc;
1984                                         if (umove(tcp,
1985                                                    tcp->u_arg[3],
1986                                                    &uc) < 0)
1987                                                 break;
1988                                         tprintf("{pid=%ld, uid=%ld, gid=%ld}, "
1989                                                 "[%d]",
1990                                                 (long)uc.pid,
1991                                                 (long)uc.uid,
1992                                                 (long)uc.gid,
1993                                                 len);
1994                                         return 0;
1995                                 }
1996                                 break;
1997 #endif
1998                         }
1999                         break;
2000                 case SOL_PACKET:
2001                         switch (tcp->u_arg[2]) {
2002 #ifdef PACKET_STATISTICS
2003                         case PACKET_STATISTICS:
2004                                 if (len == sizeof(struct tpacket_stats)) {
2005                                         struct tpacket_stats stats;
2006                                         if (umove(tcp,
2007                                                    tcp->u_arg[3],
2008                                                    &stats) < 0)
2009                                                 break;
2010                                         tprintf("{packets=%u, drops=%u}, "
2011                                                 "[%d]",
2012                                                 stats.tp_packets,
2013                                                 stats.tp_drops,
2014                                                 len);
2015                                         return 0;
2016                                 }
2017                                 break;
2018 #endif
2019                         }
2020                         break;
2021                 }
2022
2023                 if (len == sizeof(int)) {
2024                         printnum_int(tcp, tcp->u_arg[3], "%d");
2025                 }
2026                 else {
2027                         printstr(tcp, tcp->u_arg[3], len);
2028                 }
2029                 tprintf(", [%d]", len);
2030         }
2031         return 0;
2032 }
2033
2034 #if defined(ICMP_FILTER)
2035 static void printicmpfilter(struct tcb *tcp, long addr)
2036 {
2037         struct icmp_filter      filter;
2038
2039         if (!addr) {
2040                 tprints("NULL");
2041                 return;
2042         }
2043         if (syserror(tcp) || !verbose(tcp)) {
2044                 tprintf("%#lx", addr);
2045                 return;
2046         }
2047         if (umove(tcp, addr, &filter) < 0) {
2048                 tprints("{...}");
2049                 return;
2050         }
2051
2052         tprints("~(");
2053         printflags(icmpfilterflags, ~filter.data, "ICMP_???");
2054         tprints(")");
2055 }
2056 #endif /* ICMP_FILTER */
2057
2058 static int
2059 printsockopt(struct tcb *tcp, int level, int name, long addr, int len)
2060 {
2061         printxval(socketlayers, level, "SOL_??");
2062         tprints(", ");
2063         switch (level) {
2064         case SOL_SOCKET:
2065                 printxval(sockoptions, name, "SO_???");
2066                 switch (name) {
2067 #if defined(SO_LINGER)
2068                 case SO_LINGER:
2069                         if (len == sizeof(struct linger)) {
2070                                 struct linger linger;
2071                                 if (umove(tcp, addr, &linger) < 0)
2072                                         break;
2073                                 tprintf(", {onoff=%d, linger=%d}",
2074                                         linger.l_onoff,
2075                                         linger.l_linger);
2076                                 return 0;
2077                         }
2078                         break;
2079 #endif
2080                 }
2081                 break;
2082 #ifdef SOL_IP
2083         case SOL_IP:
2084                 printxval(sockipoptions, name, "IP_???");
2085                 break;
2086 #endif
2087 #ifdef SOL_IPV6
2088         case SOL_IPV6:
2089                 printxval(sockipv6options, name, "IPV6_???");
2090                 break;
2091 #endif
2092 #ifdef SOL_IPX
2093         case SOL_IPX:
2094                 printxval(sockipxoptions, name, "IPX_???");
2095                 break;
2096 #endif
2097 #ifdef SOL_PACKET
2098         case SOL_PACKET:
2099                 printxval(sockpacketoptions, name, "PACKET_???");
2100                 /* TODO: decode packate_mreq for PACKET_*_MEMBERSHIP */
2101                 switch (name) {
2102 #ifdef PACKET_RX_RING
2103                 case PACKET_RX_RING:
2104 #endif
2105 #ifdef PACKET_TX_RING
2106                 case PACKET_TX_RING:
2107 #endif
2108 #if defined(PACKET_RX_RING) || defined(PACKET_TX_RING)
2109                         if (len == sizeof(struct tpacket_req)) {
2110                                 struct tpacket_req req;
2111                                 if (umove(tcp, addr, &req) < 0)
2112                                         break;
2113                                 tprintf(", {block_size=%u, block_nr=%u, frame_size=%u, frame_nr=%u}",
2114                                         req.tp_block_size,
2115                                         req.tp_block_nr,
2116                                         req.tp_frame_size,
2117                                         req.tp_frame_nr);
2118                                 return 0;
2119                         }
2120                         break;
2121 #endif /* PACKET_RX_RING || PACKET_TX_RING */
2122                 }
2123                 break;
2124 #endif
2125 #ifdef SOL_TCP
2126         case SOL_TCP:
2127                 printxval(socktcpoptions, name, "TCP_???");
2128                 break;
2129 #endif
2130 #ifdef SOL_SCTP
2131         case SOL_SCTP:
2132                 printxval(socksctpoptions, name, "SCTP_???");
2133                 break;
2134 #endif
2135 #ifdef SOL_RAW
2136         case SOL_RAW:
2137                 printxval(sockrawoptions, name, "RAW_???");
2138                 switch (name) {
2139 #if defined(ICMP_FILTER)
2140                         case ICMP_FILTER:
2141                                 tprints(", ");
2142                                 printicmpfilter(tcp, addr);
2143                                 return 0;
2144 #endif
2145                 }
2146                 break;
2147 #endif
2148
2149                 /* SOL_AX25 SOL_ATALK SOL_NETROM SOL_UDP SOL_DECNET SOL_X25
2150                  * etc. still need work  */
2151
2152         default:
2153                 tprintf("%u", name);
2154         }
2155
2156         /* default arg printing */
2157
2158         tprints(", ");
2159
2160         if (len == sizeof(int)) {
2161                 printnum_int(tcp, addr, "%d");
2162         }
2163         else {
2164                 printstr(tcp, addr, len);
2165         }
2166         return 0;
2167 }
2168
2169 #ifdef HAVE_STRUCT_OPTHDR
2170
2171 void
2172 print_sock_optmgmt(struct tcb *tcp, long addr, int len)
2173 {
2174         int c = 0;
2175         struct opthdr hdr;
2176
2177         while (len >= (int) sizeof hdr) {
2178                 if (umove(tcp, addr, &hdr) < 0) break;
2179                 if (c++) {
2180                         tprints(", ");
2181                 }
2182                 else if (len > hdr.len + sizeof hdr) {
2183                         tprints("[");
2184                 }
2185                 tprints("{");
2186                 addr += sizeof hdr;
2187                 len -= sizeof hdr;
2188                 printsockopt(tcp, hdr.level, hdr.name, addr, hdr.len);
2189                 if (hdr.len > 0) {
2190                         addr += hdr.len;
2191                         len -= hdr.len;
2192                 }
2193                 tprints("}");
2194         }
2195         if (len > 0) {
2196                 if (c++) tprints(", ");
2197                 printstr(tcp, addr, len);
2198         }
2199         if (c > 1) tprints("]");
2200 }
2201
2202 #endif
2203
2204 int
2205 sys_setsockopt(struct tcb *tcp)
2206 {
2207         if (entering(tcp)) {
2208                 tprintf("%ld, ", tcp->u_arg[0]);
2209                 printsockopt(tcp, tcp->u_arg[1], tcp->u_arg[2],
2210                               tcp->u_arg[3], tcp->u_arg[4]);
2211                 tprintf(", %lu", tcp->u_arg[4]);
2212         }
2213         return 0;
2214 }