diff options
Diffstat (limited to 'source4/lib/tdr/tdr.c')
| -rw-r--r-- | source4/lib/tdr/tdr.c | 397 |
1 files changed, 0 insertions, 397 deletions
diff --git a/source4/lib/tdr/tdr.c b/source4/lib/tdr/tdr.c deleted file mode 100644 index 8b62ea0c2b..0000000000 --- a/source4/lib/tdr/tdr.c +++ /dev/null @@ -1,397 +0,0 @@ -/* - Unix SMB/CIFS implementation. - - TDR (Trivial Data Representation) helper functions - Based loosely on ndr.c by Andrew Tridgell. - - Copyright (C) Jelmer Vernooij 2005 - - 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 - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. -*/ - -#include "includes.h" -#include "system/filesys.h" -#include "system/network.h" -#include "tdr/tdr.h" - -#define TDR_BASE_MARSHALL_SIZE 1024 - -#define TDR_PUSH_NEED_BYTES(tdr, n) TDR_CHECK(tdr_push_expand(tdr, tdr->data.length+(n))) - -#define TDR_PULL_NEED_BYTES(tdr, n) do { \ - if ((n) > tdr->data.length || tdr->offset + (n) > tdr->data.length) { \ - return NT_STATUS_BUFFER_TOO_SMALL; \ - } \ -} while(0) - -#define TDR_BE(tdr) ((tdr)->flags & TDR_BIG_ENDIAN) - -#define TDR_CVAL(tdr, ofs) CVAL(tdr->data.data,ofs) -#define TDR_SVAL(tdr, ofs) (TDR_BE(tdr)?RSVAL(tdr->data.data,ofs):SVAL(tdr->data.data,ofs)) -#define TDR_IVAL(tdr, ofs) (TDR_BE(tdr)?RIVAL(tdr->data.data,ofs):IVAL(tdr->data.data,ofs)) -#define TDR_SCVAL(tdr, ofs, v) SCVAL(tdr->data.data,ofs,v) -#define TDR_SSVAL(tdr, ofs, v) do { if (TDR_BE(tdr)) { RSSVAL(tdr->data.data,ofs,v); } else SSVAL(tdr->data.data,ofs,v); } while (0) -#define TDR_SIVAL(tdr, ofs, v) do { if (TDR_BE(tdr)) { RSIVAL(tdr->data.data,ofs,v); } else SIVAL(tdr->data.data,ofs,v); } while (0) - -/** - expand the available space in the buffer to 'size' -*/ -NTSTATUS tdr_push_expand(struct tdr_push *tdr, uint32_t size) -{ - if (talloc_get_size(tdr->data.data) >= size) { - return NT_STATUS_OK; - } - - tdr->data.data = talloc_realloc(tdr, tdr->data.data, uint8_t, tdr->data.length + TDR_BASE_MARSHALL_SIZE); - - if (tdr->data.data == NULL) - return NT_STATUS_NO_MEMORY; - - return NT_STATUS_OK; -} - - -NTSTATUS tdr_pull_uint8(struct tdr_pull *tdr, TALLOC_CTX *ctx, uint8_t *v) -{ - TDR_PULL_NEED_BYTES(tdr, 1); - *v = TDR_CVAL(tdr, tdr->offset); - tdr->offset += 1; - return NT_STATUS_OK; -} - -NTSTATUS tdr_push_uint8(struct tdr_push *tdr, const uint8_t *v) -{ - TDR_PUSH_NEED_BYTES(tdr, 1); - TDR_SCVAL(tdr, tdr->data.length, *v); - tdr->data.length += 1; - return NT_STATUS_OK; -} - -NTSTATUS tdr_print_uint8(struct tdr_print *tdr, const char *name, uint8_t *v) -{ - tdr->print(tdr, "%-25s: 0x%02x (%u)", name, *v, *v); - return NT_STATUS_OK; -} - -NTSTATUS tdr_pull_uint16(struct tdr_pull *tdr, TALLOC_CTX *ctx, uint16_t *v) -{ - TDR_PULL_NEED_BYTES(tdr, 2); - *v = TDR_SVAL(tdr, tdr->offset); - tdr->offset += 2; - return NT_STATUS_OK; -} - -NTSTATUS tdr_push_uint16(struct tdr_push *tdr, const uint16_t *v) -{ - TDR_PUSH_NEED_BYTES(tdr, 2); - TDR_SSVAL(tdr, tdr->data.length, *v); - tdr->data.length += 2; - return NT_STATUS_OK; -} - -NTSTATUS tdr_print_uint16(struct tdr_print *tdr, const char *name, uint16_t *v) -{ - tdr->print(tdr, "%-25s: 0x%02x (%u)", name, *v, *v); - return NT_STATUS_OK; -} - -NTSTATUS tdr_pull_uint32(struct tdr_pull *tdr, TALLOC_CTX *ctx, uint32_t *v) -{ - TDR_PULL_NEED_BYTES(tdr, 4); - *v = TDR_IVAL(tdr, tdr->offset); - tdr->offset += 4; - return NT_STATUS_OK; -} - -NTSTATUS tdr_push_uint32(struct tdr_push *tdr, const uint32_t *v) -{ - TDR_PUSH_NEED_BYTES(tdr, 4); - TDR_SIVAL(tdr, tdr->data.length, *v); - tdr->data.length += 4; - return NT_STATUS_OK; -} - -NTSTATUS tdr_print_uint32(struct tdr_print *tdr, const char *name, uint32_t *v) -{ - tdr->print(tdr, "%-25s: 0x%02x (%u)", name, *v, *v); - return NT_STATUS_OK; -} - -NTSTATUS tdr_pull_charset(struct tdr_pull *tdr, TALLOC_CTX *ctx, const char **v, uint32_t length, uint32_t el_size, charset_t chset) -{ - size_t ret; - - if (length == -1) { - switch (chset) { - case CH_DOS: - length = ascii_len_n((const char*)tdr->data.data+tdr->offset, tdr->data.length-tdr->offset); - break; - case CH_UTF16: - length = utf16_len_n(tdr->data.data+tdr->offset, tdr->data.length-tdr->offset); - break; - - default: - return NT_STATUS_INVALID_PARAMETER; - } - } - - if (length == 0) { - *v = talloc_strdup(ctx, ""); - return NT_STATUS_OK; - } - - TDR_PULL_NEED_BYTES(tdr, el_size*length); - - if (!convert_string_talloc_convenience(ctx, tdr->iconv_convenience, chset, CH_UNIX, tdr->data.data+tdr->offset, el_size*length, discard_const_p(void *, v), &ret, false)) { - return NT_STATUS_INVALID_PARAMETER; - } - - tdr->offset += length * el_size; - - return NT_STATUS_OK; -} - -NTSTATUS tdr_push_charset(struct tdr_push *tdr, const char **v, uint32_t length, uint32_t el_size, charset_t chset) -{ - size_t ret, required; - - if (length == -1) { - length = strlen(*v) + 1; /* Extra element for null character */ - } - - required = el_size * length; - TDR_PUSH_NEED_BYTES(tdr, required); - - if (!convert_string_convenience(tdr->iconv_convenience, CH_UNIX, chset, *v, strlen(*v), tdr->data.data+tdr->data.length, required, &ret, false)) { - return NT_STATUS_INVALID_PARAMETER; - } - - /* Make sure the remaining part of the string is filled with zeroes */ - if (ret < required) { - memset(tdr->data.data+tdr->data.length+ret, 0, required-ret); - } - - tdr->data.length += required; - - return NT_STATUS_OK; -} - -NTSTATUS tdr_print_charset(struct tdr_print *tdr, const char *name, const char **v, uint32_t length, uint32_t el_size, charset_t chset) -{ - tdr->print(tdr, "%-25s: %s", name, *v); - return NT_STATUS_OK; -} - -/** - parse a hyper -*/ -NTSTATUS tdr_pull_hyper(struct tdr_pull *tdr, TALLOC_CTX *ctx, uint64_t *v) -{ - TDR_PULL_NEED_BYTES(tdr, 8); - *v = TDR_IVAL(tdr, tdr->offset); - *v |= (uint64_t)(TDR_IVAL(tdr, tdr->offset+4)) << 32; - tdr->offset += 8; - return NT_STATUS_OK; -} - -/** - push a hyper -*/ -NTSTATUS tdr_push_hyper(struct tdr_push *tdr, uint64_t *v) -{ - TDR_PUSH_NEED_BYTES(tdr, 8); - TDR_SIVAL(tdr, tdr->data.length, ((*v) & 0xFFFFFFFF)); - TDR_SIVAL(tdr, tdr->data.length+4, ((*v)>>32)); - tdr->data.length += 8; - return NT_STATUS_OK; -} - -/** - push a NTTIME -*/ -NTSTATUS tdr_push_NTTIME(struct tdr_push *tdr, NTTIME *t) -{ - TDR_CHECK(tdr_push_hyper(tdr, t)); - return NT_STATUS_OK; -} - -/** - pull a NTTIME -*/ -NTSTATUS tdr_pull_NTTIME(struct tdr_pull *tdr, TALLOC_CTX *ctx, NTTIME *t) -{ - TDR_CHECK(tdr_pull_hyper(tdr, ctx, t)); - return NT_STATUS_OK; -} - -/** - push a time_t -*/ -NTSTATUS tdr_push_time_t(struct tdr_push *tdr, time_t *t) -{ - return tdr_push_uint32(tdr, (uint32_t *)t); -} - -/** - pull a time_t -*/ -NTSTATUS tdr_pull_time_t(struct tdr_pull *tdr, TALLOC_CTX *ctx, time_t *t) -{ - uint32_t tt; - TDR_CHECK(tdr_pull_uint32(tdr, ctx, &tt)); - *t = tt; - return NT_STATUS_OK; -} - -NTSTATUS tdr_print_time_t(struct tdr_print *tdr, const char *name, time_t *t) -{ - if (*t == (time_t)-1 || *t == 0) { - tdr->print(tdr, "%-25s: (time_t)%d", name, (int)*t); - } else { - tdr->print(tdr, "%-25s: %s", name, timestring(tdr, *t)); - } - - return NT_STATUS_OK; -} - -NTSTATUS tdr_print_NTTIME(struct tdr_print *tdr, const char *name, NTTIME *t) -{ - tdr->print(tdr, "%-25s: %s", name, nt_time_string(tdr, *t)); - - return NT_STATUS_OK; -} - -NTSTATUS tdr_print_DATA_BLOB(struct tdr_print *tdr, const char *name, DATA_BLOB *r) -{ - tdr->print(tdr, "%-25s: DATA_BLOB length=%u", name, r->length); - if (r->length) { - dump_data(10, r->data, r->length); - } - - return NT_STATUS_OK; -} - -#define TDR_ALIGN(l,n) (((l) & ((n)-1)) == 0?0:((n)-((l)&((n)-1)))) - -/* - push a DATA_BLOB onto the wire. -*/ -NTSTATUS tdr_push_DATA_BLOB(struct tdr_push *tdr, DATA_BLOB *blob) -{ - if (tdr->flags & TDR_ALIGN2) { - blob->length = TDR_ALIGN(tdr->data.length, 2); - } else if (tdr->flags & TDR_ALIGN4) { - blob->length = TDR_ALIGN(tdr->data.length, 4); - } else if (tdr->flags & TDR_ALIGN8) { - blob->length = TDR_ALIGN(tdr->data.length, 8); - } - - TDR_PUSH_NEED_BYTES(tdr, blob->length); - - memcpy(tdr->data.data+tdr->data.length, blob->data, blob->length); - return NT_STATUS_OK; -} - -/* - pull a DATA_BLOB from the wire. -*/ -NTSTATUS tdr_pull_DATA_BLOB(struct tdr_pull *tdr, TALLOC_CTX *ctx, DATA_BLOB *blob) -{ - uint32_t length; - - if (tdr->flags & TDR_ALIGN2) { - length = TDR_ALIGN(tdr->offset, 2); - } else if (tdr->flags & TDR_ALIGN4) { - length = TDR_ALIGN(tdr->offset, 4); - } else if (tdr->flags & TDR_ALIGN8) { - length = TDR_ALIGN(tdr->offset, 8); - } else if (tdr->flags & TDR_REMAINING) { - length = tdr->data.length - tdr->offset; - } else { - return NT_STATUS_INVALID_PARAMETER; - } - - if (tdr->data.length - tdr->offset < length) { - length = tdr->data.length - tdr->offset; - } - - TDR_PULL_NEED_BYTES(tdr, length); - - *blob = data_blob_talloc(tdr, tdr->data.data+tdr->offset, length); - tdr->offset += length; - return NT_STATUS_OK; -} - -struct tdr_push *tdr_push_init(TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *ic) -{ - struct tdr_push *push = talloc_zero(mem_ctx, struct tdr_push); - - if (push == NULL) - return NULL; - - push->iconv_convenience = talloc_reference(push, ic); - - return push; -} - -struct tdr_pull *tdr_pull_init(TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *ic) -{ - struct tdr_pull *pull = talloc_zero(mem_ctx, struct tdr_pull); - - if (pull == NULL) - return NULL; - - pull->iconv_convenience = talloc_reference(pull, ic); - - return pull; -} - -NTSTATUS tdr_push_to_fd(int fd, struct smb_iconv_convenience *iconv_convenience, tdr_push_fn_t push_fn, const void *p) -{ - struct tdr_push *push = tdr_push_init(NULL, iconv_convenience); - - if (push == NULL) - return NT_STATUS_NO_MEMORY; - - if (NT_STATUS_IS_ERR(push_fn(push, p))) { - DEBUG(1, ("Error pushing data\n")); - talloc_free(push); - return NT_STATUS_UNSUCCESSFUL; - } - - if (write(fd, push->data.data, push->data.length) < push->data.length) { - DEBUG(1, ("Error writing all data\n")); - return NT_STATUS_UNSUCCESSFUL; - } - - talloc_free(push); - - return NT_STATUS_OK; -} - -void tdr_print_debug_helper(struct tdr_print *tdr, const char *format, ...) _PRINTF_ATTRIBUTE(2,3) -{ - va_list ap; - char *s = NULL; - int i; - - va_start(ap, format); - vasprintf(&s, format, ap); - va_end(ap); - - for (i=0;i<tdr->level;i++) { DEBUG(0,(" ")); } - - DEBUG(0,("%s\n", s)); - free(s); -} |