diff options
Diffstat (limited to 'ownership.c')
| -rw-r--r-- | ownership.c | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/ownership.c b/ownership.c deleted file mode 100644 index 29b9850..0000000 --- a/ownership.c +++ /dev/null @@ -1,212 +0,0 @@ -/* - * Compaq Ownership Tag - * - * (C) 2003-2005 Jean Delvare <khali@linux-fr.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * For the avoidance of doubt the "preferred form" of this code is one which - * is in an open unpatent encumbered format. Where cryptographic key signing - * forms part of the process of creating an executable the information - * including keys needed to generate an equivalently functional executable - * are deemed to be part of the source code. - * - * References: - * - Compaq "Technical Reference Guide for Compaq Deskpro 4000 and 6000" - * First Edition - * http://h18000.www1.hp.com/support/techpubs/technical_reference_guides/113a1097.html - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <getopt.h> - -#include "version.h" -#include "config.h" -#include "types.h" -#include "util.h" - -/* Options are global */ -struct opt -{ - const char* devmem; - unsigned int flags; -}; -static struct opt opt; - -#define FLAG_VERSION (1<<0) -#define FLAG_HELP (1<<1) - -static void ownership(u32 base, const char *pname, const char *devmem) -{ - u8 *buf; - int i; - - /* read the ownership tag */ - if((buf=mem_chunk(base, 0x51, devmem))==NULL) - { - perror(pname); - return; - } - - /* chop the trailing garbage */ - i=0x4f; - while(i>=0 && (buf[i]==0x20 || buf[i]==0x00)) - i--; - buf[i+1]='\0'; - - /* filter and print */ - if(i>=0) - { - for(; i>=0; i--) - { - if(buf[i]<32 || (buf[i]>=127 && buf[i]<160)) - buf[i]='?'; - } - printf("%s\n", (char *)buf); - } - - free(buf); -} - -static u32 decode(const u8 *p) -{ - int i; - - /* integrity checking (lack of checksum) */ - for(i=0; i<p[4]; i++) - { - if(p[5+i*10]!='$' || !(p[6+i*10]>='A' && p[6+i*10]<='Z') - || !(p[7+i*10]>='A' && p[7+i*10]<='Z') - || !(p[8+i*10]>='A' && p[8+i*10]<='Z')) - { - printf("\t Abnormal Entry! Please report. [%02x %02x %02x %02x]\n", - p[5+i*10], p[6+i*10], p[7+i*10], p[8+i*10]); - return 0; - } - } - - /* search for the right entry */ - for(i=0; i<p[4]; i++) - if(memcmp(p+5+i*10, "$ERB", 4)==0) - return DWORD(p+9+i*10); - - return 0; -} - -/* Return -1 on error, 0 on success */ -static int parse_command_line(int argc, char * const argv[]) -{ - int option; - const char *optstring = "d:hV"; - struct option longopts[]={ - { "dev-mem", required_argument, NULL, 'd' }, - { "help", no_argument, NULL, 'h' }, - { "version", no_argument, NULL, 'V' }, - { 0, 0, 0, 0 } - }; - - while((option=getopt_long(argc, argv, optstring, longopts, NULL))!=-1) - switch(option) - { - case 'd': - opt.devmem=optarg; - break; - case 'h': - opt.flags|=FLAG_HELP; - break; - case 'V': - opt.flags|=FLAG_VERSION; - break; - case '?': - return -1; - } - - return 0; -} - -static void print_help(void) -{ - static const char *help= - "Usage: ownership [OPTIONS]\n" - "Options are:\n" - " -d, --dev-mem FILE Read memory from device FILE (default: " DEFAULT_MEM_DEV ")\n" - " -h, --help Display this help text and exit\n" - " -V, --version Display the version and exit\n"; - - printf("%s", help); -} - -int main(int argc, char * const argv[]) -{ - u8 *buf; - off_t fp; - int ok=0; - - if(sizeof(u8)!=1 || sizeof(u32)!=4) - { - fprintf(stderr, "%s: compiler incompatibility\n", argv[0]); - exit(255); - } - - /* Set default option values */ - opt.devmem=DEFAULT_MEM_DEV; - opt.flags=0; - - if(parse_command_line(argc, argv)<0) - exit(2); - - if(opt.flags & FLAG_HELP) - { - print_help(); - return 0; - } - - if(opt.flags & FLAG_VERSION) - { - printf("%s\n", VERSION); - return 0; - } - - if((buf=mem_chunk(0xE0000, 0x20000, opt.devmem))==NULL) - exit(1); - - for(fp=0; !ok && fp<=0x1FFF0; fp+=16) - { - u8 *p=buf+fp; - - if(memcmp((char *)p, "32OS", 4)==0) - { - off_t len=p[4]*10+5; - - if(fp+len-1<=0x1FFFF) - { - u32 base; - - if((base=decode(p))) - { - ok=1; - ownership(base, argv[0], opt.devmem); - } - } - } - } - - free(buf); - - return 0; -} |