hash_stat hash_plugin_parse_hash(char *hashline, char *filename)
{
FILE *fp;
unsigned char buf[1024];
long size, offset = 0;
size_t i, j;
uint32_t n;
if (!(fp = fopen(filename, "rb"))) {
//fprintf(stderr, "%s : %s\n", filename, strerror(errno));
return hash_err;
}
fseek(fp, 0, SEEK_END);
size = ftell(fp);
fseek(fp, 0, SEEK_SET);
count = fread(buf, KWMAGIC_LEN, 1, fp);
if (memcmp(buf, KWMAGIC, KWMAGIC_LEN) != 0) {
//fprintf(stderr, "%s : Not a KDE KWallet file!\n", filename);
goto bail;
}
offset += KWMAGIC_LEN;
count = fread(buf, 4, 1, fp);
offset += 4;
/* First byte is major version, second byte is minor version */
if (buf[0] != KWALLET_VERSION_MAJOR) {
//fprintf(stderr, "%s : Unknown version!\n", filename);
goto bail;
}
if (buf[1] != KWALLET_VERSION_MINOR) {
//fprintf(stderr, "%s : Unknown version!\n", filename);
goto bail;
}
if (buf[2] != KWALLET_CIPHER_BLOWFISH_CBC) {
//fprintf(stderr, "%s : Unsupported cipher\n", filename);
goto bail;
}
if (buf[3] != KWALLET_HASH_SHA1) {
//fprintf(stderr, "%s : Unsupported hash\n", filename);
goto bail;
}
/* Read in the hashes */
n = fget32_(fp);
if (n > 0xffff) {
//fprintf(stderr, "%s : sanity check failed!\n", filename);
goto bail;
}
offset += 4;
for (i = 0; i < n; ++i) {
uint32_t fsz;
count = fread(buf, 16, 1, fp);
offset += 16;
fsz = fget32_(fp);
offset += 4;
for (j = 0; j < fsz; ++j) {
count = fread(buf, 16, 1, fp);
offset += 16;
}
}
/* Read in the rest of the file. */
encrypted_size = size - offset;
count = fread(cs.ct, encrypted_size, 1, fp);
if ((encrypted_size % 8) != 0) {
//fprintf(stderr, "%s : invalid file structure!\n", filename);
return hash_err;
}
fclose(fp);
cs.ctlen = encrypted_size;
(void) hash_add_username(filename);
(void) hash_add_hash("KDE KWallet file \0", 0);
(void) hash_add_salt("123");
(void) hash_add_salt2(" ");
return hash_ok;
bail:
fclose(fp);
return hash_err;
}
static void get_uint32(FILE * fp, int *next_offset, uint32_t * val)
{
*val = fget32_(fp);
*next_offset = *next_offset + 4;
}
static void process_file(const char *fname)
{
FILE *fp;
unsigned char buf[1024];
long size, offset = 0;
size_t i, j;
uint32_t n;
const char *extension[]={".kwl"};
char *bname;
if (!(fp = fopen(fname, "rb"))) {
fprintf(stderr, "%s : %s\n", fname, strerror(errno));
return;
}
fseek(fp, 0, SEEK_END);
size = ftell(fp);
fseek(fp, 0, SEEK_SET);
count = fread(buf, KWMAGIC_LEN, 1, fp);
if (memcmp(buf, KWMAGIC, KWMAGIC_LEN) != 0) {
fprintf(stderr, "%s : Not a KDE KWallet file!\n", fname);
exit(1);
}
offset += KWMAGIC_LEN;
count = fread(buf, 4, 1, fp);
offset += 4;
/* First byte is major version, second byte is minor version */
if (buf[0] != KWALLET_VERSION_MAJOR) {
fprintf(stderr, "%s : Unknown version!\n", fname);
exit(2);
}
if (buf[1] != KWALLET_VERSION_MINOR) {
fprintf(stderr, "%s : Unknown version!\n", fname);
exit(3);
}
if (buf[2] != KWALLET_CIPHER_BLOWFISH_CBC) {
fprintf(stderr, "%s : Unsupported cipher\n", fname);
exit(4);
}
if (buf[3] != KWALLET_HASH_SHA1) {
fprintf(stderr, "%s : Unsupported hash\n", fname);
exit(5);
}
/* Read in the hashes */
n = fget32_(fp);
if (n > 0xffff) {
fprintf(stderr, "%s : sanity check failed!\n", fname);
exit(6);
}
offset += 4;
for (i = 0; i < n; ++i) {
uint32_t fsz;
count = fread(buf, 16, 1, fp);
offset += 16;
fsz = fget32_(fp);
offset += 4;
for (j = 0; j < fsz; ++j) {
count = fread(buf, 16, 1, fp);
offset += 16;
}
}
/* Read in the rest of the file. */
encrypted_size = size - offset;
count = fread(encrypted, encrypted_size, 1, fp);
if ((encrypted_size % 8) != 0) {
fprintf(stderr, "%s : invalid file structure!\n", fname);
exit(7);
}
bname = strip_suffixes(basename(fname), extension, 1);
printf("%s:$kwallet$%ld$", bname, encrypted_size);
print_hex(encrypted, encrypted_size);
printf(":::::%s\n", fname);
fclose(fp);
}
