diff options
Diffstat (limited to 'source3/lib/util_str.c')
| -rw-r--r-- | source3/lib/util_str.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/source3/lib/util_str.c b/source3/lib/util_str.c index 7c5fa11c92..1083076edd 100644 --- a/source3/lib/util_str.c +++ b/source3/lib/util_str.c @@ -1949,7 +1949,9 @@ DATA_BLOB base64_decode_data_blob(const char *s) s++; i++; } - if (*s == '=') n -= 1; + if ((n > 0) && (*s == '=')) { + n -= 1; + } /* fix up length */ decoded.length = n; @@ -1962,9 +1964,15 @@ DATA_BLOB base64_decode_data_blob(const char *s) void base64_decode_inplace(char *s) { DATA_BLOB decoded = base64_decode_data_blob(s); - memcpy(s, decoded.data, decoded.length); - /* null terminate */ - s[decoded.length] = '\0'; + + if ( decoded.length != 0 ) { + memcpy(s, decoded.data, decoded.length); + + /* null terminate */ + s[decoded.length] = '\0'; + } else { + *s = '\0'; + } data_blob_free(&decoded); } |