diff options
Diffstat (limited to 'source3/web/cgi.c')
| -rw-r--r-- | source3/web/cgi.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/source3/web/cgi.c b/source3/web/cgi.c index 35f3266283..018dd3602f 100644 --- a/source3/web/cgi.c +++ b/source3/web/cgi.c @@ -291,6 +291,37 @@ static void cgi_web_auth(void) passwd_free(&pwd); } +/*************************************************************************** +decode a base64 string in-place - simple and slow algorithm + ***************************************************************************/ +static void base64_decode(char *s) +{ + const char *b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + int bit_offset, byte_offset, idx, i, n; + unsigned char *d = (unsigned char *)s; + char *p; + + n=i=0; + + while (*s && (p=strchr_m(b64,*s))) { + idx = (int)(p - b64); + byte_offset = (i*6)/8; + bit_offset = (i*6)%8; + d[byte_offset] &= ~((1<<(8-bit_offset))-1); + if (bit_offset < 3) { + d[byte_offset] |= (idx << (2-bit_offset)); + n = byte_offset+1; + } else { + d[byte_offset] |= (idx >> (bit_offset-2)); + d[byte_offset+1] = 0; + d[byte_offset+1] |= (idx << (8-(bit_offset-2))) & 0xFF; + n = byte_offset+2; + } + s++; i++; + } + /* null terminate */ + d[n] = 0; +} /*************************************************************************** handle a http authentication line |