diff options
Diffstat (limited to 'src/data-identify.c')
| -rw-r--r-- | src/data-identify.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/src/data-identify.c b/src/data-identify.c index ae311175..1cfccd75 100644 --- a/src/data-identify.c +++ b/src/data-identify.c @@ -271,12 +271,36 @@ pgp_binary_detection (const void *image_arg, size_t imagelen) } +/* This is probably an armored "PGP MESSAGE" which can encode + * different PGP data types. STRING is modified after a call to this + * fucntion. */ +static gpgme_data_type_t +inspect_pgp_message (char *string) +{ + struct b64state state; + size_t nbytes; + + if (_gpgme_b64dec_start (&state, "")) + return GPGME_DATA_TYPE_INVALID; /* oops */ + + if (_gpgme_b64dec_proc (&state, string, strlen (string), &nbytes)) + { + _gpgme_b64dec_finish (&state); + return GPGME_DATA_TYPE_UNKNOWN; /* bad encoding etc. */ + } + _gpgme_b64dec_finish (&state); + string[nbytes] = 0; /* Better append a Nul. */ + + return pgp_binary_detection (string, nbytes); +} + + /* Note that DATA may be binary but a final nul is required so that string operations will find a terminator. Returns: GPGME_DATA_TYPE_xxxx */ static gpgme_data_type_t -basic_detection (const char *data, size_t datalen) +basic_detection (char *data, size_t datalen) { tlvinfo_t ti; const char *s; @@ -430,7 +454,8 @@ basic_detection (const char *data, size_t datalen) return GPGME_DATA_TYPE_PGP_KEY; if (!strncmp (s+15, "ARMORED FILE", 12)) return GPGME_DATA_TYPE_UNKNOWN; - return GPGME_DATA_TYPE_PGP_OTHER; /* PGP MESSAGE */ + + return inspect_pgp_message (data); } if (!strncmp (s+11, "CERTIFICATE", 11)) return GPGME_DATA_TYPE_X509_CERT; |