/*====================================================================* * * Copyright (c) 2013 Qualcomm Atheros, Inc. * * All rights reserved. * * Redistribution and use in source and binary forms, with or * without modification, are permitted (subject to the limitations * in the disclaimer below) provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of Qualcomm Atheros nor the names of * its contributors may be used to endorse or promote products * derived from this software without specific prior written * permission. * * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE * GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE * COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *--------------------------------------------------------------------*/ /*====================================================================*" * * chkpib2.c * * * Contributor(s): * Charles Maier <cmaier@qca.qualcomm.com> * *--------------------------------------------------------------------*/ /*====================================================================* * system header files; *--------------------------------------------------------------------*/ #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <fcntl.h> #include <errno.h> /*====================================================================* * custom header files; *--------------------------------------------------------------------*/ #include "../tools/getoptv.h" #include "../tools/flags.h" #include "../tools/error.h" #include "../tools/files.h" #include "../key/HPAVKey.h" #include "../nvm/nvm.h" #include "../pib/pib.h" /*====================================================================* * custom source files; *--------------------------------------------------------------------*/ #ifndef MAKEFILE #include "../tools/getoptv.c" #include "../tools/putoptv.c" #include "../tools/version.c" #include "../tools/checksum32.c" #include "../tools/fdchecksum32.c" #include "../tools/checksum32.c" #include "../tools/hexstring.c" #include "../tools/hexdecode.c" #include "../tools/strfbits.c" #include "../tools/error.c" #endif #ifndef MAKEFILE #include "../key/SHA256Reset.c" #include "../key/SHA256Block.c" #include "../key/SHA256Write.c" #include "../key/SHA256Fetch.c" #include "../key/HPAVKeyNID.c" #include "../key/keys.c" #endif #ifndef MAKEFILE #include "../pib/pibpeek1.c" #include "../pib/pibpeek2.c" #endif #ifndef MAKEFILE #include "../nvm/manifest.c" #endif /*====================================================================* * * signed pibimage1 (void const * memory, size_t extent, char const * filename, flag_t flags); * * check memory-resident thunderbolt/lightning PIB image; return 0 * for a good image and -1 for a bad image; * * the check performed here is not exhaustive but it is adequate; * * * Contributor(s): * Charles Maier <cmaier@qca.qualcomm.com> * *--------------------------------------------------------------------*/ static signed pibimage1 (void const * memory, size_t extent, char const * filename, flag_t flags) { struct simple_pib * simple_pib = (struct simple_pib *)(memory); uint8_t NID [HPAVKEY_NID_LEN]; if (_anyset (flags, PIB_VERBOSE)) { printf ("------- %s -------\n", filename); if (pibpeek1 (memory)) { if (_allclr (flags, PIB_SILENCE)) { error (0, 0, PIB_BADVERSION, filename); } return (-1); } } if (extent != LE16TOH (simple_pib->PIBLENGTH)) { if (_allclr (flags, PIB_SILENCE)) { error (0, 0, PIB_BADLENGTH, filename); } return (-1); } if (checksum32 (memory, extent, 0)) { if (_allclr (flags, PIB_SILENCE)) { error (0, 0, PIB_BADCHECKSUM, filename); } return (-1); } HPAVKeyNID (NID, simple_pib->NMK, simple_pib->PreferredNID [HPAVKEY_NID_LEN-1] >> 4); if (memcmp (NID, simple_pib->PreferredNID, sizeof (NID))) { if (_allclr (flags, PIB_SILENCE)) { error (0, 0, PIB_BADNID, filename); } return (-1); } return (0); } /*====================================================================* * * signed pibimage2 (void const * memory, size_t extent, char const * filename, flag_t flags); * * check memory-resident panther/lynx PIB image; return 0 for a * good image and -1 for an bad image; * * the check performed here is not exhaustive but it is adequate; * * * Contributor(s): * Charles Maier <cmaier@qca.qualcomm.com> * *--------------------------------------------------------------------*/ static signed pibimage2 (void const * memory, size_t extent, char const * filename, flag_t flags) { struct simple_pib * simple_pib = (struct simple_pib *)(memory); struct pib_header * pib_header = (struct pib_header *)(memory); uint8_t NID [HPAVKEY_NID_LEN]; if (_anyset (flags, PIB_VERBOSE)) { pib_header->PIBLENGTH = HTOLE16(extent); printf ("------- %s -------\n", filename); if (pibpeek2 (memory)) { if (_allclr (flags, PIB_SILENCE)) { error (0, 0, PIB_BADVERSION, filename); } return (-1); } memset (pib_header, 0, sizeof (* pib_header)); } HPAVKeyNID (NID, simple_pib->NMK, simple_pib->PreferredNID [HPAVKEY_NID_LEN-1] >> 4); if (memcmp (NID, simple_pib->PreferredNID, sizeof (NID))) { if (_allclr (flags, PIB_SILENCE)) { error (0, 0, PIB_BADNID, filename); } return (-1); } return (0); } /*====================================================================* * * signed pibchain2 (void const * memory, size_t extent, char const * filename, flag_t flags); * * search a panther/lynx image chain looking for PIB images and * verify each one; return 0 on success or -1 on error; errors * occur due to an invalid image chain or a bad parameter block; * * this implementation reads the parameter block from file into * into memory and checks it there; * * * Contributor(s): * Charles Maier <cmaier@qca.qualcomm.com> * *--------------------------------------------------------------------*/ static signed pibchain2 (void const * memory, size_t extent, char const * filename, flag_t flags) { struct nvm_header2 * nvm_header; uint32_t origin = ~0; uint32_t offset = 0; unsigned module = 0; do { nvm_header = (struct nvm_header2 *)((char *)(memory) + offset); if (LE16TOH (nvm_header->MajorVersion) != 1) { if (_allclr (flags, NVM_SILENCE)) { error (0, 0, NVM_HDR_VERSION, filename, module); } return (-1); } if (LE16TOH (nvm_header->MinorVersion) != 1) { if (_allclr (flags, NVM_SILENCE)) { error (0, 0, NVM_HDR_VERSION, filename, module); } return (-1); } if (LE32TOH (nvm_header->PrevHeader) != origin) { if (_allclr (flags, NVM_SILENCE)) { error (0, 0, NVM_HDR_LINK, filename, module); } return (-1); } if (checksum32 (nvm_header, sizeof (* nvm_header), 0)) { if (_allclr (flags, NVM_SILENCE)) { error (0, 0, NVM_HDR_CHECKSUM, filename, module); } return (-1); } origin = offset; offset += sizeof (* nvm_header); extent -= sizeof (* nvm_header); if (checksum32 ((char *)(memory) + offset, LE32TOH (nvm_header->ImageLength), nvm_header->ImageChecksum)) { if (_allclr (flags, NVM_SILENCE)) { error (0, 0, NVM_IMG_CHECKSUM, filename, module); } return (-1); } if (LE32TOH (nvm_header->ImageType) == NVM_IMAGE_MANIFEST) { if (_anyset (flags, NVM_MANIFEST)) { printf ("------- %s (%d) -------\n", filename, module); manifest ((char *)(memory) + offset, LE32TOH (nvm_header->ImageLength)); return (0); } } else if (LE32TOH (nvm_header->ImageType) == NVM_IMAGE_PIB) { return (pibimage2 ((char *)(memory) + offset, LE32TOH (nvm_header->ImageLength), filename, flags)); } offset += LE32TOH (nvm_header->ImageLength); extent -= LE32TOH (nvm_header->ImageLength); module++; } while (~nvm_header->NextHeader); if (extent) { if (_allclr (flags, NVM_SILENCE)) { error (0, errno, NVM_HDR_LINK, filename, module); } return (-1); } error (0, 0, "%s has no PIB", filename); return (-1); } /*====================================================================* * * signed chkpib (char const * filename, flag_t flags); * * * Contributor(s): * Charles Maier <cmaier@qca.qualcomm.com> * *--------------------------------------------------------------------*/ static signed chkpib (char const * filename, flag_t flags) { void * memory = 0; signed extent = 0; signed status; signed fd; if ((fd = open (filename, O_BINARY|O_RDONLY)) == -1) { if (_allclr (flags, NVM_SILENCE)) { error (0, errno, FILE_CANTOPEN, filename); } return (-1); } if ((extent = lseek (fd, 0, SEEK_END)) == -1) { if (_allclr (flags, NVM_SILENCE)) { error (0, errno, FILE_CANTSIZE, filename); } return (-1); } if (!(memory = malloc (extent))) { if (_allclr (flags, NVM_SILENCE)) { error (0, errno, FILE_CANTLOAD, filename); } return (-1); } if (lseek (fd, 0, SEEK_SET)) { if (_allclr (flags, NVM_SILENCE)) { error (0, errno, FILE_CANTHOME, filename); } return (-1); } if (read (fd, memory, extent) != extent) { if (_allclr (flags, NVM_SILENCE)) { error (0, errno, FILE_CANTREAD, filename); } return (-1); } close (fd); if (LE32TOH (* (uint32_t *)(memory)) == 0x60000000) { if (_allclr (flags, NVM_SILENCE)) { error (0, 0, FILE_WONTREAD, filename); } status = -1; } else if (LE32TOH (* (uint32_t *)(memory)) == 0x00010001) { status = pibchain2 (memory, extent, filename, flags); } else { status = pibimage1 (memory, extent, filename, flags); } free (memory); return (status); } /*====================================================================* * * int main (int argc, char const * argv []); * * * * Contributor(s): * Charles Maier <cmaier@qca.qualcomm.com> * *--------------------------------------------------------------------*/ int main (int argc, char const * argv []) { static char const * optv [] = { "mqv", "file [file] [...]", "Qualcomm Atheros PLC Parameter File Inspector", "m\tdisplay manifest", "q\tquiet", "v\tverbose messages", (char const *) (0) }; flag_t flags = (flag_t)(0); signed state = 0; signed c; optind = 1; while ((c = getoptv (argc, argv, optv)) != -1) { switch (c) { case 'm': _setbits (flags, PIB_MANIFEST); break; case 'q': _setbits (flags, PIB_SILENCE); break; case 'v': _setbits (flags, PIB_VERBOSE); break; default: break; } } argc -= optind; argv += optind; while ((argc) && (* argv)) { errno = 0; if (chkpib (* argv, flags)) { state = 1; } else if (_allclr (flags, (PIB_VERBOSE | PIB_SILENCE | PIB_MANIFEST))) { printf ("%s looks good\n", * argv); } argc--; argv++; } return (state); }