| 1 | #include <stdlib.h> |
| 2 | #include <string.h> |
| 3 | #include "rfc822/encode.h" |
| 4 | |
| 5 | static int write_challenge(const char *p, size_t l, void *vp) |
| 6 | { |
| 7 | char **cp=(char **)vp; |
| 8 | |
| 9 | while (l) |
| 10 | { |
| 11 | if (*p == '\r' || *p == '\n') |
| 12 | { |
| 13 | ++p; |
| 14 | --l; |
| 15 | continue; |
| 16 | } |
| 17 | **cp = *p++; |
| 18 | ++*cp; |
| 19 | |
| 20 | --l; |
| 21 | } |
| 22 | |
| 23 | return 0; |
| 24 | } |
| 25 | |
| 26 | char *authsasl_tobase64(const char *p, int l) |
| 27 | { |
| 28 | char *write_challenge_buf; |
| 29 | char *write_challenge_ptr; |
| 30 | |
| 31 | struct libmail_encode_info encodeInfo; |
| 32 | |
| 33 | if (l < 0) l=strlen(p); |
| 34 | |
| 35 | write_challenge_buf=malloc((l+3)/3*4+1); |
| 36 | if (!write_challenge_buf) |
| 37 | return (0); |
| 38 | |
| 39 | write_challenge_ptr=write_challenge_buf; |
| 40 | |
| 41 | libmail_encode_start(&encodeInfo, "base64", &write_challenge, |
| 42 | &write_challenge_ptr); |
| 43 | |
| 44 | libmail_encode(&encodeInfo, p, l); |
| 45 | libmail_encode_end(&encodeInfo); |
| 46 | *write_challenge_ptr=0; |
| 47 | return (write_challenge_buf); |
| 48 | } |