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author | Stefan Metzmacher <metze@samba.org> | 2004-06-28 06:46:27 +0000 |
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committer | Gerald (Jerry) Carter <jerry@samba.org> | 2007-10-10 12:56:48 -0500 |
commit | 25bf685da5c037d1875f96e7e7127106dee2865d (patch) | |
tree | f204ac4b192220a1156c5394940a609ea1d6253f /source4/librpc/ndr/ndr_basic.c | |
parent | 4cc054b4f9cda60a302ee197e917a10ff7c59e64 (diff) | |
download | samba-25bf685da5c037d1875f96e7e7127106dee2865d.tar.gz samba-25bf685da5c037d1875f96e7e7127106dee2865d.tar.bz2 samba-25bf685da5c037d1875f96e7e7127106dee2865d.zip |
r1274: revert -r 1239 as discussed with abartlet
metze
(This used to be commit 52e2d038252bd745d53c687d266ad3ad62efa6fc)
Diffstat (limited to 'source4/librpc/ndr/ndr_basic.c')
-rw-r--r-- | source4/librpc/ndr/ndr_basic.c | 301 |
1 files changed, 0 insertions, 301 deletions
diff --git a/source4/librpc/ndr/ndr_basic.c b/source4/librpc/ndr/ndr_basic.c index 1adf6ea1d3..5d4ade096f 100644 --- a/source4/librpc/ndr/ndr_basic.c +++ b/source4/librpc/ndr/ndr_basic.c @@ -972,304 +972,3 @@ NTSTATUS ndr_pull_DATA_BLOB(struct ndr_pull *ndr, DATA_BLOB *blob) ndr->offset += length; return NT_STATUS_OK; } - -/* - this is a tiny ndr packet generator. This - generator is not general enough for all our rpc needs, its just - enough for the ntlmssp code - - format specifiers are: - - U = unicode string (input is unix string) - a = address (input is 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 - */ -NTSTATUS ndr_push_format_blob(DATA_BLOB *blob, TALLOC_CTX *mem_ctx, - const char *format, ...) -{ - int i, n; - va_list ap; - char *s; - uint8_t *b; - int head_size=0, data_size=0; - int head_ofs, data_ofs; - - /* 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': - 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_t *); - head_size += 8; - data_size += va_arg(ap, int); - break; - case 'b': - b = va_arg(ap, uint8_t *); - 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_talloc(mem_ctx, NULL, head_size + data_size); - - if (blob->length != (head_size + data_size)) { - return NT_STATUS_NO_MEMORY; - } - - 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': - 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_t *); - 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; - if (n && b) /* don't follow null pointers... */ - 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_t *); - 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 NT_STATUS_OK; -} - - -/* a helpful macro to avoid running over the end of our blob */ -#define NEED_DATA(amount) \ -if ((head_ofs + amount) > blob->length) { \ - return NT_STATUS_INVALID_PARAMETER; \ -} - -/* - 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 - */ - -NTSTATUS ndr_pull_format_blob(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx, - const char *format, ...) -{ - int i; - va_list ap; - const char **ps, *s; - DATA_BLOB *b; - size_t head_ofs = 0; - uint16_t len1, len2; - uint32_t ptr; - uint32_t *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; - - ps = va_arg(ap, char **); - if (len1 == 0 && len2 == 0) { - *ps = ""; - } else { - /* make sure its in the right format - be strict */ - if ((len1 != len2) || (ptr + len1 < ptr) || (ptr + len1 < len1) || (ptr + len1 > blob->length)) { - return NT_STATUS_INVALID_PARAMETER; - } - if (len1 & 1) { - /* if odd length and unicode */ - return NT_STATUS_INVALID_PARAMETER; - } - if (blob->data + ptr < (uint8_t *)ptr || blob->data + ptr < blob->data) - return NT_STATUS_INVALID_PARAMETER; - - if (0 < len1) { - pull_string(NULL, p, blob->data + ptr, sizeof(p), - len1, - STR_UNICODE|STR_NOALIGN); - (*ps) = talloc_strdup(mem_ctx, p); - if (!(*ps)) { - return NT_STATUS_NO_MEMORY; - } - } else { - (*ps) = ""; - } - } - 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; - - ps = va_arg(ap, char **); - /* make sure its in the right format - be strict */ - if (len1 == 0 && len2 == 0) { - *ps = ""; - } else { - if ((len1 != len2) || (ptr + len1 < ptr) || (ptr + len1 < len1) || (ptr + len1 > blob->length)) { - return NT_STATUS_INVALID_PARAMETER; - } - - if (blob->data + ptr < (uint8_t *)ptr || blob->data + ptr < blob->data) - return NT_STATUS_INVALID_PARAMETER; - - if (0 < len1) { - pull_string(NULL, p, blob->data + ptr, sizeof(p), - len1, - STR_ASCII|STR_NOALIGN); - (*ps) = talloc_strdup(mem_ctx, p); - if (!(*ps)) { - return NT_STATUS_NO_MEMORY; - } - } else { - (*ps) = ""; - } - } - 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; - - b = (DATA_BLOB *)va_arg(ap, void *); - if (len1 == 0 && len2 == 0) { - *b = data_blob_talloc(mem_ctx, NULL, 0); - } else { - /* make sure its in the right format - be strict */ - if ((len1 != len2) || (ptr + len1 < ptr) || (ptr + len1 < len1) || (ptr + len1 > blob->length)) { - return NT_STATUS_INVALID_PARAMETER; - } - - if (blob->data + ptr < (uint8_t *)ptr || blob->data + ptr < blob->data) - return NT_STATUS_INVALID_PARAMETER; - - *b = data_blob_talloc(mem_ctx, blob->data + ptr, len1); - } - break; - case 'b': - b = (DATA_BLOB *)va_arg(ap, void *); - len1 = va_arg(ap, uint_t); - /* make sure its in the right format - be strict */ - NEED_DATA(len1); - if (blob->data + head_ofs < (uint8_t *)head_ofs || blob->data + head_ofs < blob->data) - return NT_STATUS_INVALID_PARAMETER; - - *b = data_blob_talloc(mem_ctx, blob->data + head_ofs, len1); - head_ofs += len1; - break; - case 'd': - v = va_arg(ap, uint32_t *); - NEED_DATA(4); - *v = IVAL(blob->data, head_ofs); head_ofs += 4; - break; - case 'C': - s = va_arg(ap, char *); - - if (blob->data + head_ofs < (uint8_t *)head_ofs || blob->data + head_ofs < blob->data) - return NT_STATUS_INVALID_PARAMETER; - - 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 NT_STATUS_INVALID_PARAMETER; - } - break; - } - } - va_end(ap); - - return NT_STATUS_OK; -} |