/* grub_fatal() on error */
static grub_err_t
grub_cmd_readpcr( grub_command_t cmd __attribute__ ((unused)), int argc, char **args) {
if ( argc == 0 ) {
grub_fatal( "grub_cmd_readpcr: index expected" );
}
if ( argc > 1 ) {
grub_fatal( "grub_cmd_readpcr: Too many arguments" );
}
unsigned long index = grub_strtoul( args[0], NULL, 10 );
/* if index is invalid */
if( grub_errno != GRUB_ERR_NONE ) {
grub_fatal( "grub_cmd_readpcr: invalid format for index" );
}
grub_uint8_t result[SHA1_DIGEST_SIZE] = { 0 };
grub_TPM_readpcr( index, &result[0] );
grub_printf( "PCR[%lu]=", index );
print_sha1( result );
grub_printf("\n");
return GRUB_ERR_NONE;
}
int build_xpath(char *xpath, const char *path, int rev)
{
struct file_record *fr;
char sha1_digest[40];
if (!rev) {
/* Search on FS */
strcpy(xpath, ROOTENV->fsback);
strcat(xpath, path);
return 0;
}
if (!(fr = find_fr(path, rev))) {
PHOENIXFS_DBG("build_xpath:: missing: %s@%d", path, rev);
/* Might be a directory; copy and give to caller */
strcpy(xpath, path);
return -1;
}
print_sha1(sha1_digest, fr->sha1);
sprintf(xpath, "%s/.git/loose/%s", ROOTENV->fsback, sha1_digest);
if (access(xpath, F_OK) < 0) {
/* Try extracting from packfile */
sprintf(xpath, "%s/.git/loose", ROOTENV->fsback);
if (unpack_entry(fr->sha1, xpath) < 0)
return -1;
else
PHOENIXFS_DBG("open:: pack %s", sha1_digest);
}
else
PHOENIXFS_DBG("open:: loose %s", sha1_digest);
return 0;
}
static int phoenixfs_open(const char *path, struct fuse_file_info *fi)
{
int rev, fd;
FILE *infile, *fsfile;
char fspath[PATH_MAX];
struct file_record *fr;
char sha1_digest[40];
rev = parse_pathspec(xpath, path);
build_xpath(fspath, xpath, 0);
/* Skip zinflate for entries not in fstree */
if (!(fr = find_fr(xpath, rev)))
goto END;
/* Build openpath by hand */
print_sha1(sha1_digest, fr->sha1);
sprintf(openpath, "%s/.git/loose/%s", ROOTENV->fsback, sha1_digest);
if (access(openpath, F_OK) < 0) {
/* Try extracting from packfile */
sprintf(xpath, "%s/.git/loose", ROOTENV->fsback);
if (unpack_entry(fr->sha1, xpath) < 0)
return -ENOENT;
else
PHOENIXFS_DBG("open:: pack %s", sha1_digest);
}
else
PHOENIXFS_DBG("open:: loose %s", sha1_digest);
/* zinflate openpath onto fspath */
PHOENIXFS_DBG("open:: zinflate %s onto %s", sha1_digest, fspath);
if (!(infile = fopen(openpath, "rb")) ||
!(fsfile = fopen(fspath, "wb+")))
return -errno;
if (zinflate(infile, fsfile) != Z_OK)
PHOENIXFS_DBG("open:: zinflate issue");
fclose(infile);
fclose(fsfile);
END:
if ((fd = open(fspath, fi->flags)) < 0)
return -errno;
fi->fh = fd;
return 0;
}
int main(int argc, char* argv[])
{
int sock_fd = 0;
struct sockaddr_in serv_addr;
if(argc < 3)
{
fprintf(stderr, "%s\n", "No specified address");
exit(EXIT_FAILURE);
}
if( sock_create( &serv_addr, argv[1], argv[2], &sock_fd) == 1)
{
fprintf(stderr, "%s\n", "Connection failed");
return 1;
}
//connection established
memset(server_reply, 0, BUFFER_SIZE);
if (read(sock_fd, server_reply, BUFFER_SIZE) < 0 )
{
fprintf(stderr, "%s\n", strerror(errno));
return 1;
}
printf("%s\n", server_reply);
while(1)
{
unsigned char hash[SHA_DIGEST_LENGTH] = {0};
if( sha1_of_a_file(sock_fd, hash) == 1)
{
return 1;
}
print_sha1(hash);
}
close(sock_fd);
return 0;
}
int main(int argc, char* argv[])
{
FILE *infile;
unsigned char sha1[20];
struct stat st;
if (argc < 2)
usage(argv[0]);
if (!(infile = fopen(argv[1], "rb")))
die("Could not open %s", argv[1]);
if (stat(argv[1], &st) < 0)
die("Could not stat %s", argv[1]);
if (sha1_file(infile, st.st_size, sha1) < 0)
die("SHA1 failed");
fclose(infile);
print_sha1(NULL, sha1);
printf(" %s\n", argv[1]);
return 0;
}
static int phoenixfs_release(const char *path, struct fuse_file_info *fi)
{
struct file_record *fr;
FILE *infile, *outfile;
struct stat st;
unsigned char sha1[20];
char sha1_digest[40];
char outfilename[40];
char inpath[PATH_MAX];
char outpath[PATH_MAX];
int rev, ret;
pthread_mutex_lock(&phoenixfs_mutexlock);
/* Don't recursively backup history */
if ((rev = parse_pathspec(xpath, path))) {
PHOENIXFS_DBG("release:: history: %s", path);
/* Inflate the original version back onto the filesystem */
if (!(fr = find_fr(xpath, 0))) {
PHOENIXFS_DBG("release:: Can't find revision 0!");
pthread_mutex_unlock(&phoenixfs_mutexlock);
return 0;
}
print_sha1(sha1_digest, fr->sha1);
sprintf(inpath, "%s/.git/loose/%s", ROOTENV->fsback, sha1_digest);
build_xpath(outpath, xpath, 0);
if (!(infile = fopen(inpath, "rb")) ||
!(outfile = fopen(outpath, "wb+"))) {
pthread_mutex_unlock(&phoenixfs_mutexlock);
return -errno;
}
PHOENIXFS_DBG("release:: history: zinflate %s onto %s",
sha1_digest, outpath);
rewind(infile);
rewind(outfile);
if (zinflate(infile, outfile) != Z_OK)
PHOENIXFS_DBG("release:: zinflate issue");
fflush(outfile);
fclose(infile);
fclose(outfile);
if (close(fi->fh) < 0) {
PHOENIXFS_DBG("release:: can't really close");
pthread_mutex_unlock(&phoenixfs_mutexlock);
return -errno;
}
pthread_mutex_unlock(&phoenixfs_mutexlock);
return 0;
}
/* Attempt to create a backup */
build_xpath(xpath, path, 0);
if (!(infile = fopen(xpath, "rb")) ||
(lstat(xpath, &st) < 0)) {
pthread_mutex_unlock(&phoenixfs_mutexlock);
return -errno;
}
if ((ret = sha1_file(infile, st.st_size, sha1)) < 0) {
fclose(infile);
pthread_mutex_unlock(&phoenixfs_mutexlock);
return ret;
}
print_sha1(outfilename, sha1);
sprintf(outpath, "%s/.git/loose/%s", ROOTENV->fsback, outfilename);
if (!access(outpath, F_OK)) {
/* SHA1 match; don't overwrite file as an optimization */
PHOENIXFS_DBG("release:: not overwriting: %s", outpath);
goto END;
}
if (!(outfile = fopen(outpath, "wb"))) {
fclose(infile);
pthread_mutex_unlock(&phoenixfs_mutexlock);
return -errno;
}
/* Rewind and seek back */
rewind(infile);
PHOENIXFS_DBG("release:: zdeflate %s onto %s", xpath, outfilename);
if (zdeflate(infile, outfile, -1) != Z_OK)
PHOENIXFS_DBG("release:: zdeflate issue");
mark_for_packing(sha1, st.st_size);
fclose(outfile);
END:
fclose(infile);
if (close(fi->fh) < 0) {
PHOENIXFS_DBG("release:: can't really close");
return -errno;
}
/* Update the fstree */
fstree_insert_update_file(path, NULL);
pthread_mutex_unlock(&phoenixfs_mutexlock);
return 0;
}
/* grub_fatal() on error */
static void
grub_TPM_read_tcglog( const unsigned long index ) {
grub_uint32_t returnCode, featureFlags, eventLog = 0, logAddr = 0, edi = 0;
grub_uint8_t major, minor;
/* get event log pointer */
grub_TPM_int1A_statusCheck( &returnCode, &major, &minor, &featureFlags, &eventLog, &edi );
/* edi = 0 means event log is empty */
if( edi == 0 ) {
grub_fatal( "Event log is empty" );
}
logAddr = eventLog;
TCG_PCClientPCREvent *event = NULL;
/* index = 0: print all entries */
if ( index == 0 ) {
/* eventLog = absolute pointer to the beginning of the event log. */
event = (TCG_PCClientPCREvent *) logAddr;
/* If there is exactly one entry */
if( edi == eventLog ) {
grub_printf( "pcrIndex: %u \n", event->pcrIndex );
grub_printf( "eventType: %u \n", event->eventType );
grub_printf( "digest: " );
print_sha1( event->digest );
grub_printf( "\n\n" );
} else { /* If there is more than one entry */
do {
grub_printf( "pcrIndex: %u \n", event->pcrIndex );
grub_printf( "eventType: %u \n", event->eventType );
grub_printf( "digest: " );
print_sha1( event->digest );
grub_printf( "\n\n" );
logAddr += TCG_PCR_EVENT_SIZE + event->eventDataSize;
event = (TCG_PCClientPCREvent *)logAddr;
} while( logAddr != edi );
/* print the last one */
grub_printf( "pcrIndex: %u \n", event->pcrIndex );
grub_printf( "eventType: %u \n", event->eventType );
grub_printf( "digest: " );
print_sha1( event->digest );
grub_printf( "\n\n" );
}
} else { /* print specific entry */
logAddr = eventLog;
unsigned long i;
for( i = 1; i < index; i++ ) {
event = (TCG_PCClientPCREvent *)logAddr;
logAddr += TCG_PCR_EVENT_SIZE + event->eventDataSize;
if( logAddr > edi ) { /* index not valid. */
grub_fatal( "No entry at specified index" );
}
}
event = (TCG_PCClientPCREvent *)logAddr;
grub_printf( "pcrIndex: %u \n", event->pcrIndex );
grub_printf( "eventType: %u \n", event->eventType );
grub_printf( "digest: " );
print_sha1( event->digest );
grub_printf( "\n\n" );
}
}
