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author | Andrew Bartlett <abartlet@samba.org> | 2003-02-15 00:10:09 +0000 |
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committer | Andrew Bartlett <abartlet@samba.org> | 2003-02-15 00:10:09 +0000 |
commit | 3b2693f1ae3b1e06d3015843d2933177fcb97a87 (patch) | |
tree | ceaa38b6667ecffc5500c349ab0e6d8315e10a8d /source3/libsmb/clispnego.c | |
parent | a2781ba60d219c61f983d6feba40b0efcbcb96cf (diff) | |
download | samba-3b2693f1ae3b1e06d3015843d2933177fcb97a87.tar.gz samba-3b2693f1ae3b1e06d3015843d2933177fcb97a87.tar.xz samba-3b2693f1ae3b1e06d3015843d2933177fcb97a87.zip |
Move our NTLMSSP code into easily seperated peices, not relying on the whole
of libsmb.
Andrew Bartlett
(This used to be commit b5ec7efa80478187124c1cfa8c7fcc4036506a37)
Diffstat (limited to 'source3/libsmb/clispnego.c')
-rw-r--r-- | source3/libsmb/clispnego.c | 322 |
1 files changed, 0 insertions, 322 deletions
diff --git a/source3/libsmb/clispnego.c b/source3/libsmb/clispnego.c index 54069fc6374..91748c4c7a5 100644 --- a/source3/libsmb/clispnego.c +++ b/source3/libsmb/clispnego.c @@ -478,325 +478,3 @@ DATA_BLOB spnego_gen_auth_response(DATA_BLOB *ntlmssp_reply, NTSTATUS nt_status) asn1_free(&data); return ret; } - -/* - this is a tiny msrpc packet generator. I am only using this to - avoid tying this code to a particular varient of our rpc code. This - generator is not general enough for all our rpc needs, its just - enough for the spnego/ntlmssp code - - format specifiers are: - - U = unicode string (input is unix string) - a = address (input is BOOL unicode, char *unix_string) - (1 byte type, 1 byte length, unicode/ASCII string, all inline) - A = ASCII string (input is unix string) - B = data blob (pointer + length) - b = data blob in header (pointer + length) - D - d = word (4 bytes) - C = constant ascii string - */ -BOOL msrpc_gen(DATA_BLOB *blob, - const char *format, ...) -{ - int i, n; - va_list ap; - char *s; - uint8 *b; - int head_size=0, data_size=0; - int head_ofs, data_ofs; - BOOL unicode; - - /* first scan the format to work out the header and body size */ - va_start(ap, format); - for (i=0; format[i]; i++) { - switch (format[i]) { - case 'U': - s = va_arg(ap, char *); - head_size += 8; - data_size += str_charnum(s) * 2; - break; - case 'A': - s = va_arg(ap, char *); - head_size += 8; - data_size += str_ascii_charnum(s); - break; - case 'a': - unicode = va_arg(ap, BOOL); - n = va_arg(ap, int); - s = va_arg(ap, char *); - if (unicode) { - data_size += (str_charnum(s) * 2) + 4; - } else { - data_size += (str_ascii_charnum(s)) + 4; - } - break; - case 'B': - b = va_arg(ap, uint8 *); - head_size += 8; - data_size += va_arg(ap, int); - break; - case 'b': - b = va_arg(ap, uint8 *); - head_size += va_arg(ap, int); - break; - case 'd': - n = va_arg(ap, int); - head_size += 4; - break; - case 'C': - s = va_arg(ap, char *); - head_size += str_charnum(s) + 1; - break; - } - } - va_end(ap); - - /* allocate the space, then scan the format again to fill in the values */ - *blob = data_blob(NULL, head_size + data_size); - - head_ofs = 0; - data_ofs = head_size; - - va_start(ap, format); - for (i=0; format[i]; i++) { - switch (format[i]) { - case 'U': - s = va_arg(ap, char *); - n = str_charnum(s); - SSVAL(blob->data, head_ofs, n*2); head_ofs += 2; - SSVAL(blob->data, head_ofs, n*2); head_ofs += 2; - SIVAL(blob->data, head_ofs, data_ofs); head_ofs += 4; - push_string(NULL, blob->data+data_ofs, s, n*2, STR_UNICODE|STR_NOALIGN); - data_ofs += n*2; - break; - case 'A': - s = va_arg(ap, char *); - n = str_ascii_charnum(s); - SSVAL(blob->data, head_ofs, n); head_ofs += 2; - SSVAL(blob->data, head_ofs, n); head_ofs += 2; - SIVAL(blob->data, head_ofs, data_ofs); head_ofs += 4; - push_string(NULL, blob->data+data_ofs, s, n, STR_ASCII|STR_NOALIGN); - data_ofs += n; - break; - case 'a': - unicode = va_arg(ap, BOOL); - n = va_arg(ap, int); - SSVAL(blob->data, data_ofs, n); data_ofs += 2; - s = va_arg(ap, char *); - if (unicode) { - 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; - } else { - n = str_ascii_charnum(s); - SSVAL(blob->data, data_ofs, n); data_ofs += 2; - if (0 < n) { - push_string(NULL, blob->data+data_ofs, s, n, - STR_ASCII|STR_NOALIGN); - } - data_ofs += n; - } - break; - - case 'B': - b = va_arg(ap, uint8 *); - n = va_arg(ap, int); - SSVAL(blob->data, head_ofs, n); head_ofs += 2; - SSVAL(blob->data, head_ofs, n); head_ofs += 2; - SIVAL(blob->data, head_ofs, data_ofs); head_ofs += 4; - memcpy(blob->data+data_ofs, b, n); - data_ofs += n; - break; - case 'd': - n = va_arg(ap, int); - SIVAL(blob->data, head_ofs, n); head_ofs += 4; - break; - case 'b': - b = va_arg(ap, uint8 *); - n = va_arg(ap, int); - memcpy(blob->data + head_ofs, b, n); - head_ofs += n; - break; - case 'C': - s = va_arg(ap, char *); - head_ofs += push_string(NULL, blob->data+head_ofs, s, -1, - STR_ASCII|STR_TERMINATE); - break; - } - } - va_end(ap); - - return True; -} - - -/* a helpful macro to avoid running over the end of our blob */ -#define NEED_DATA(amount) \ -if (head_ofs + amount > blob->length) { \ - return False; \ -} - -/* - this is a tiny msrpc packet parser. This the the partner of msrpc_gen - - 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) - C = constant ascii string - */ - -BOOL msrpc_parse(DATA_BLOB *blob, - const char *format, ...) -{ - int i; - va_list ap; - char **ps, *s; - DATA_BLOB *b; - int head_ofs = 0; - uint16 len1, len2; - uint32 ptr; - uint32 *v; - pstring p; - - va_start(ap, format); - for (i=0; format[i]; i++) { - switch (format[i]) { - case 'U': - NEED_DATA(8); - 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; - } - if (len1 & 1) { - /* if odd length and unicode */ - return False; - } - - ps = va_arg(ap, char **); - if (0 < len1) { - pull_string(NULL, p, blob->data + ptr, sizeof(p), - len1, - STR_UNICODE|STR_NOALIGN); - (*ps) = strdup(p); - } else { - (*ps) = NULL; - } - break; - case 'A': - NEED_DATA(8); - 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, sizeof(p), - len1, - STR_ASCII|STR_NOALIGN); - (*ps) = strdup(p); - } else { - (*ps) = NULL; - } - break; - case 'B': - NEED_DATA(8); - 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; - } - b = (DATA_BLOB *)va_arg(ap, void *); - *b = data_blob(blob->data + ptr, len1); - break; - case 'b': - b = (DATA_BLOB *)va_arg(ap, void *); - len1 = va_arg(ap, unsigned); - /* make sure its in the right format - be strict */ - NEED_DATA(len1); - *b = data_blob(blob->data + head_ofs, len1); - head_ofs += len1; - break; - case 'd': - v = va_arg(ap, uint32 *); - NEED_DATA(4); - *v = IVAL(blob->data, head_ofs); head_ofs += 4; - break; - case 'C': - s = va_arg(ap, char *); - head_ofs += pull_string(NULL, p, blob->data+head_ofs, sizeof(p), - blob->length - head_ofs, - STR_ASCII|STR_TERMINATE); - if (strcmp(s, p) != 0) { - return False; - } - break; - } - } - va_end(ap); - - return True; -} - -/** - * Print out the NTLMSSP flags for debugging - */ - -void debug_ntlmssp_flags(uint32 neg_flags) -{ - DEBUG(3,("Got NTLMSSP neg_flags=0x%08x\n", neg_flags)); - - if (neg_flags & NTLMSSP_NEGOTIATE_UNICODE) - DEBUGADD(4, (" NTLMSSP_NEGOTIATE_UNICODE\n")); - if (neg_flags & NTLMSSP_NEGOTIATE_OEM) - DEBUGADD(4, (" NTLMSSP_NEGOTIATE_OEM\n")); - if (neg_flags & NTLMSSP_REQUEST_TARGET) - DEBUGADD(4, (" NTLMSSP_REQUEST_TARGET\n")); - if (neg_flags & NTLMSSP_NEGOTIATE_SIGN) - DEBUGADD(4, (" NTLMSSP_NEGOTIATE_SIGN\n")); - if (neg_flags & NTLMSSP_NEGOTIATE_SEAL) - DEBUGADD(4, (" NTLMSSP_NEGOTIATE_SEAL\n")); - if (neg_flags & NTLMSSP_NEGOTIATE_LM_KEY) - DEBUGADD(4, (" NTLMSSP_NEGOTIATE_LM_KEY\n")); - if (neg_flags & NTLMSSP_NEGOTIATE_NETWARE) - DEBUGADD(4, (" NTLMSSP_NEGOTIATE_NETWARE\n")); - if (neg_flags & NTLMSSP_NEGOTIATE_NTLM) - DEBUGADD(4, (" NTLMSSP_NEGOTIATE_NTLM\n")); - if (neg_flags & NTLMSSP_NEGOTIATE_DOMAIN_SUPPLIED) - DEBUGADD(4, (" NTLMSSP_NEGOTIATE_DOMAIN_SUPPLIED\n")); - if (neg_flags & NTLMSSP_NEGOTIATE_WORKSTATION_SUPPLIED) - DEBUGADD(4, (" NTLMSSP_NEGOTIATE_WORKSTATION_SUPPLIED\n")); - if (neg_flags & NTLMSSP_NEGOTIATE_THIS_IS_LOCAL_CALL) - DEBUGADD(4, (" NTLMSSP_NEGOTIATE_THIS_IS_LOCAL_CALL\n")); - if (neg_flags & NTLMSSP_NEGOTIATE_ALWAYS_SIGN) - DEBUGADD(4, (" NTLMSSP_NEGOTIATE_ALWAYS_SIGN\n")); - if (neg_flags & NTLMSSP_NEGOTIATE_NTLM2) - DEBUGADD(4, (" NTLMSSP_NEGOTIATE_NTLM2\n")); - if (neg_flags & NTLMSSP_CHAL_TARGET_INFO) - DEBUGADD(4, (" NTLMSSP_CHAL_TARGET_INFO\n")); - if (neg_flags & NTLMSSP_NEGOTIATE_128) - DEBUGADD(4, (" NTLMSSP_NEGOTIATE_128\n")); - if (neg_flags & NTLMSSP_NEGOTIATE_KEY_EXCH) - DEBUGADD(4, (" NTLMSSP_NEGOTIATE_KEY_EXCH\n")); -} - |