diff options
Diffstat (limited to 'src/libutil/hash.cc')
| -rw-r--r-- | src/libutil/hash.cc | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/libutil/hash.cc b/src/libutil/hash.cc index 49e781980f3a..aa50fceb9e3e 100644 --- a/src/libutil/hash.cc +++ b/src/libutil/hash.cc @@ -106,7 +106,7 @@ Hash parseHash(HashType ht, const string & s) string s2(s, i * 2, 2); if (!isxdigit(s2[0]) || !isxdigit(s2[1])) throw BadHash(format("invalid hash ‘%1%’") % s); - istringstream_nocopy str(s2); + std::istringstream str(s2); int n; str >> std::hex >> n; hash.hash[i] = n; @@ -165,7 +165,13 @@ Hash parseHash32(HashType ht, const string & s) unsigned int i = b / 8; unsigned int j = b % 8; hash.hash[i] |= digit << j; - if (i < hash.hashSize - 1) hash.hash[i + 1] |= digit >> (8 - j); + + if (i < hash.hashSize - 1) { + hash.hash[i + 1] |= digit >> (8 - j); + } else { + if (digit >> (8 - j)) + throw BadHash(format("invalid base-32 hash ‘%1%’") % s); + } } return hash; |