diff options
Diffstat (limited to 'source3/libsmb/clispnego.c')
| -rw-r--r-- | source3/libsmb/clispnego.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/source3/libsmb/clispnego.c b/source3/libsmb/clispnego.c index 469b946088..16702c375b 100644 --- a/source3/libsmb/clispnego.c +++ b/source3/libsmb/clispnego.c @@ -2,6 +2,7 @@ Unix SMB/CIFS implementation. simple kerberos5/SPNEGO routines Copyright (C) Andrew Tridgell 2001 + Copyright (C) Jim McDonough 2002 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -439,6 +440,28 @@ BOOL spnego_parse_auth(DATA_BLOB blob, DATA_BLOB *auth) return True; } +/* + generate a minimal SPNEGO NTLMSSP response packet. Doesn't contain much. +*/ +DATA_BLOB spnego_gen_auth_response(void) +{ + ASN1_DATA data; + DATA_BLOB ret; + + memset(&data, 0, sizeof(data)); + + asn1_push_tag(&data, ASN1_CONTEXT(1)); + asn1_push_tag(&data, ASN1_SEQUENCE(0)); + asn1_push_tag(&data, ASN1_CONTEXT(0)); + asn1_write_enumerated(&data, 0); + asn1_pop_tag(&data); + asn1_pop_tag(&data); + asn1_pop_tag(&data); + + ret = data_blob(data.data, data.length); + asn1_free(&data); + return ret; +} /* this is a tiny msrpc packet generator. I am only using this to @@ -449,6 +472,7 @@ BOOL spnego_parse_auth(DATA_BLOB blob, DATA_BLOB *auth) format specifiers are: U = unicode string (input is unix string) + a = address (1 byte type, 1 byte length, unicode string, all inline) B = data blob (pointer + length) b = data blob in header (pointer + length) d = word (4 bytes) @@ -473,6 +497,11 @@ BOOL msrpc_gen(DATA_BLOB *blob, head_size += 8; data_size += str_charnum(s) * 2; break; + case 'a': + n = va_arg(ap, int); + s = va_arg(ap, char *); + data_size += (str_charnum(s) * 2) + 4; + break; case 'B': b = va_arg(ap, uint8 *); head_size += 8; @@ -512,6 +541,19 @@ BOOL msrpc_gen(DATA_BLOB *blob, push_string(NULL, blob->data+data_ofs, s, n*2, STR_UNICODE|STR_NOALIGN); data_ofs += n*2; break; + case 'a': + n = va_arg(ap, int); + SSVAL(blob->data, data_ofs, n); data_ofs += 2; + s = va_arg(ap, char *); + n = str_charnum(s); + SSVAL(blob->data, data_ofs, n*2); data_ofs += 2; + if (0 < n) { + push_string(NULL, blob->data+data_ofs, s, n*2, + STR_UNICODE|STR_NOALIGN); + } + data_ofs += n*2; + break; + case 'B': b = va_arg(ap, uint8 *); n = va_arg(ap, int); @@ -550,6 +592,7 @@ BOOL msrpc_gen(DATA_BLOB *blob, format specifiers are: U = unicode string (output is unix string) + A = ascii string B = data blob b = data blob in header d = word (4 bytes) @@ -584,6 +627,24 @@ BOOL msrpc_parse(DATA_BLOB *blob, STR_UNICODE|STR_NOALIGN); (*ps) = strdup(p); break; + case 'A': + len1 = SVAL(blob->data, head_ofs); head_ofs += 2; + len2 = SVAL(blob->data, head_ofs); head_ofs += 2; + ptr = IVAL(blob->data, head_ofs); head_ofs += 4; + + /* make sure its in the right format - be strict */ + if (len1 != len2 || ptr + len1 > blob->length) { + return False; + } + ps = va_arg(ap, char **); + if (0 < len1) { + pull_string(NULL, p, blob->data + ptr, -1, + len1, STR_ASCII|STR_NOALIGN); + (*ps) = strdup(p); + } else { + (*ps) = NULL; + } + break; case 'B': len1 = SVAL(blob->data, head_ofs); head_ofs += 2; len2 = SVAL(blob->data, head_ofs); head_ofs += 2; |