/*
** Prompt the user for a password. Store the result in the pPassphrase
** blob.
**
** Behavior is controlled by the verify parameter:
**
** 0 Just ask once.
**
** 1 If the first answer is a non-empty string, ask for
** verification. Repeat if the two strings do not match.
**
** 2 Ask twice, repeat if the strings do not match.
*/
void prompt_for_password(
const char *zPrompt,
Blob *pPassphrase,
int verify
){
Blob secondTry;
blob_zero(pPassphrase);
blob_zero(&secondTry);
while(1){
prompt_for_passphrase(zPrompt, pPassphrase);
if( verify==0 ) break;
if( verify==1 && blob_size(pPassphrase)==0 ) break;
prompt_for_passphrase("Again: ", &secondTry);
if( blob_compare(pPassphrase, &secondTry) ){
printf("Passphrases do not match. Try again...\n");
}else{
break;
}
}
blob_reset(&secondTry);
}
int main(int argc, char **argv){
int rc;
int i, j;
int seeFlag = 0;
char *zArchive = 0;
char *zMountPoint = 0;
char *azNewArg[5];
for(i=1; i<argc; i++){
if( argv[i][0]=='-' ){
for(j=1; argv[i][j]; j++){
switch( argv[i][j] ){
case 'e': seeFlag++; break;
case '-': break;
default: showHelp(argv[0]);
}
}
}else if( zArchive==0 ){
zArchive = argv[i];
}else if( zMountPoint==0 ){
zMountPoint = argv[i];
}else{
showHelp(argv[0]);
}
}
if( zMountPoint==0 ) showHelp(argv[0]);
rc = sqlite3_open(zArchive, &g.db);
if( rc!=SQLITE_OK ){
fprintf(stderr, "Cannot open sqlar file [%s]\n", argv[1]);
exit(1);
}
if( seeFlag ){
char zPassPhrase[MX_PASSPHRASE+1];
#ifndef SQLITE_HAS_CODEC
printf("WARNING: The passphrase is a no-op because this build of\n"
"sqlar is compiled without encryption capabilities.\n");
#endif
memset(zPassPhrase, 0, sizeof(zPassPhrase));
prompt_for_passphrase("passphrase: ", seeFlag>1, zPassPhrase);
#ifdef SQLITE_HAS_CODEC
sqlite3_key_v2(g.db, "main", zPassPhrase, -1);
#endif
}
rc = sqlite3_exec(g.db, "SELECT 1 FROM sqlar LIMIT 1", 0, 0, 0);
if( rc!=SQLITE_OK ){
fprintf(stderr, "File [%s] is not an SQLite archive\n", argv[1]);
exit(1);
}
g.uid = getuid();
g.gid = getgid();
azNewArg[0] = argv[0];
azNewArg[1] = "-f";
azNewArg[2] = "-s";
azNewArg[3] = zMountPoint;
azNewArg[4] = 0;
rc = fuse_main(4, azNewArg, &sqlarfs_methods, NULL);
sqlite3_finalize(g.pStat);
sqlite3_finalize(g.pFList);
sqlite3_finalize(g.pExists);
sqlite3_finalize(g.pRead);
sqlite3_free(g.zCacheName);
sqlite3_free(g.zCacheData);
sqlite3_close(g.db);
return rc;
}