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authorGünther Deschner <gd@samba.org>2010-05-20 13:57:22 +0200
committerGünther Deschner <gd@samba.org>2010-05-20 13:57:22 +0200
commitb75384546ac2300896b58a4474bce5f09dcc924a (patch)
tree4a5706d5331b472de7666291fc5fad71c6eda2f1 /librpc
parent6d9fe52310d4aedbd66294cecc1d375da46bef39 (diff)
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librpc: finally merge ndr_string.c.
Guenther
Diffstat (limited to 'librpc')
-rw-r--r--librpc/ndr/ndr_string.c720
1 files changed, 720 insertions, 0 deletions
diff --git a/librpc/ndr/ndr_string.c b/librpc/ndr/ndr_string.c
new file mode 100644
index 0000000000..568c36845e
--- /dev/null
+++ b/librpc/ndr/ndr_string.c
@@ -0,0 +1,720 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ routines for marshalling/unmarshalling string types
+
+ Copyright (C) Andrew Tridgell 2003
+
+ 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 "librpc/ndr/libndr.h"
+
+/**
+ pull a general string from the wire
+*/
+_PUBLIC_ enum ndr_err_code ndr_pull_string(struct ndr_pull *ndr, int ndr_flags, const char **s)
+{
+ char *as=NULL;
+ uint32_t len1, ofs, len2;
+ uint16_t len3;
+ size_t converted_size;
+ int chset = CH_UTF16;
+ unsigned byte_mul = 2;
+ unsigned flags = ndr->flags;
+ unsigned c_len_term = 0;
+
+ if (!(ndr_flags & NDR_SCALARS)) {
+ return NDR_ERR_SUCCESS;
+ }
+
+ if (NDR_BE(ndr)) {
+ chset = CH_UTF16BE;
+ }
+
+ if (flags & LIBNDR_FLAG_STR_ASCII) {
+ chset = CH_DOS;
+ byte_mul = 1;
+ flags &= ~LIBNDR_FLAG_STR_ASCII;
+ }
+
+ if (flags & LIBNDR_FLAG_STR_UTF8) {
+ chset = CH_UTF8;
+ byte_mul = 1;
+ flags &= ~LIBNDR_FLAG_STR_UTF8;
+ }
+
+ flags &= ~LIBNDR_FLAG_STR_CONFORMANT;
+ if (flags & LIBNDR_FLAG_STR_CHARLEN) {
+ c_len_term = 1;
+ flags &= ~LIBNDR_FLAG_STR_CHARLEN;
+ }
+
+ switch (flags & LIBNDR_STRING_FLAGS) {
+ case LIBNDR_FLAG_STR_LEN4|LIBNDR_FLAG_STR_SIZE4:
+ case LIBNDR_FLAG_STR_LEN4|LIBNDR_FLAG_STR_SIZE4|LIBNDR_FLAG_STR_NOTERM:
+ NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &len1));
+ NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &ofs));
+ if (ofs != 0) {
+ return ndr_pull_error(ndr, NDR_ERR_STRING, "non-zero array offset with string flags 0x%x\n",
+ ndr->flags & LIBNDR_STRING_FLAGS);
+ }
+ NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &len2));
+ if (len2 > len1) {
+ return ndr_pull_error(ndr, NDR_ERR_STRING,
+ "Bad string lengths len1=%u ofs=%u len2=%u\n",
+ len1, ofs, len2);
+ }
+ NDR_PULL_NEED_BYTES(ndr, (len2 + c_len_term)*byte_mul);
+ if (len2 == 0) {
+ as = talloc_strdup(ndr->current_mem_ctx, "");
+ } else {
+ if (!convert_string_talloc(ndr->current_mem_ctx, chset,
+ CH_UNIX,
+ ndr->data+ndr->offset,
+ (len2 + c_len_term)*byte_mul,
+ (void **)(void *)&as,
+ &converted_size, false))
+ {
+ return ndr_pull_error(ndr, NDR_ERR_CHARCNV,
+ "Bad character conversion with flags 0x%x", flags);
+ }
+ }
+ NDR_CHECK(ndr_pull_advance(ndr, (len2 + c_len_term)*byte_mul));
+
+ if (len1 != len2) {
+ DEBUG(6,("len1[%u] != len2[%u] '%s'\n", len1, len2, as));
+ }
+
+ /* this is a way of detecting if a string is sent with the wrong
+ termination */
+ if (ndr->flags & LIBNDR_FLAG_STR_NOTERM) {
+ if (strlen(as) < (len2 + c_len_term)) {
+ DEBUG(6,("short string '%s'\n", as));
+ }
+ } else {
+ if (strlen(as) == (len2 + c_len_term)) {
+ DEBUG(6,("long string '%s'\n", as));
+ }
+ }
+ *s = as;
+ break;
+
+ case LIBNDR_FLAG_STR_SIZE4:
+ case LIBNDR_FLAG_STR_SIZE4|LIBNDR_FLAG_STR_NOTERM:
+ NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &len1));
+ NDR_PULL_NEED_BYTES(ndr, (len1 + c_len_term)*byte_mul);
+ if (len1 == 0) {
+ as = talloc_strdup(ndr->current_mem_ctx, "");
+ } else {
+ if (!convert_string_talloc(ndr->current_mem_ctx, chset,
+ CH_UNIX,
+ ndr->data+ndr->offset,
+ (len1 + c_len_term)*byte_mul,
+ (void **)(void *)&as,
+ &converted_size, false))
+ {
+ return ndr_pull_error(ndr, NDR_ERR_CHARCNV,
+ "Bad character conversion with flags 0x%x", flags);
+ }
+ }
+ NDR_CHECK(ndr_pull_advance(ndr, (len1 + c_len_term)*byte_mul));
+
+ /* this is a way of detecting if a string is sent with the wrong
+ termination */
+ if (ndr->flags & LIBNDR_FLAG_STR_NOTERM) {
+ if (strlen(as) < (len1 + c_len_term)) {
+ DEBUG(6,("short string '%s'\n", as));
+ }
+ } else {
+ if (strlen(as) == (len1 + c_len_term)) {
+ DEBUG(6,("long string '%s'\n", as));
+ }
+ }
+ *s = as;
+ break;
+
+ case LIBNDR_FLAG_STR_LEN4:
+ case LIBNDR_FLAG_STR_LEN4|LIBNDR_FLAG_STR_NOTERM:
+ NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &ofs));
+ if (ofs != 0) {
+ return ndr_pull_error(ndr, NDR_ERR_STRING, "non-zero array offset with string flags 0x%x\n",
+ ndr->flags & LIBNDR_STRING_FLAGS);
+ }
+ NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &len1));
+ NDR_PULL_NEED_BYTES(ndr, (len1 + c_len_term)*byte_mul);
+ if (len1 == 0) {
+ as = talloc_strdup(ndr->current_mem_ctx, "");
+ } else {
+ if (!convert_string_talloc(ndr->current_mem_ctx, chset,
+ CH_UNIX,
+ ndr->data+ndr->offset,
+ (len1 + c_len_term)*byte_mul,
+ (void **)(void *)&as,
+ &converted_size, false))
+ {
+ return ndr_pull_error(ndr, NDR_ERR_CHARCNV,
+ "Bad character conversion with flags 0x%x", flags);
+ }
+ }
+ NDR_CHECK(ndr_pull_advance(ndr, (len1 + c_len_term)*byte_mul));
+
+ /* this is a way of detecting if a string is sent with the wrong
+ termination */
+ if (ndr->flags & LIBNDR_FLAG_STR_NOTERM) {
+ if (strlen(as) < (len1 + c_len_term)) {
+ DEBUG(6,("short string '%s'\n", as));
+ }
+ } else {
+ if (strlen(as) == (len1 + c_len_term)) {
+ DEBUG(6,("long string '%s'\n", as));
+ }
+ }
+ *s = as;
+ break;
+
+
+ case LIBNDR_FLAG_STR_SIZE2:
+ case LIBNDR_FLAG_STR_SIZE2|LIBNDR_FLAG_STR_NOTERM:
+ NDR_CHECK(ndr_pull_uint16(ndr, NDR_SCALARS, &len3));
+ NDR_PULL_NEED_BYTES(ndr, (len3 + c_len_term)*byte_mul);
+ if (len3 == 0) {
+ as = talloc_strdup(ndr->current_mem_ctx, "");
+ } else {
+ if (!convert_string_talloc(ndr->current_mem_ctx, chset,
+ CH_UNIX,
+ ndr->data+ndr->offset,
+ (len3 + c_len_term)*byte_mul,
+ (void **)(void *)&as,
+ &converted_size, false))
+ {
+ return ndr_pull_error(ndr, NDR_ERR_CHARCNV,
+ "Bad character conversion with flags 0x%x", flags);
+ }
+ }
+ NDR_CHECK(ndr_pull_advance(ndr, (len3 + c_len_term)*byte_mul));
+
+ /* this is a way of detecting if a string is sent with the wrong
+ termination */
+ if (ndr->flags & LIBNDR_FLAG_STR_NOTERM) {
+ if (strlen(as) < (len3 + c_len_term)) {
+ DEBUG(6,("short string '%s'\n", as));
+ }
+ } else {
+ if (strlen(as) == (len3 + c_len_term)) {
+ DEBUG(6,("long string '%s'\n", as));
+ }
+ }
+ *s = as;
+ break;
+
+ case LIBNDR_FLAG_STR_SIZE2|LIBNDR_FLAG_STR_NOTERM|LIBNDR_FLAG_STR_BYTESIZE:
+ NDR_CHECK(ndr_pull_uint16(ndr, NDR_SCALARS, &len3));
+ NDR_PULL_NEED_BYTES(ndr, len3);
+ if (len3 == 0) {
+ as = talloc_strdup(ndr->current_mem_ctx, "");
+ } else {
+ if (!convert_string_talloc(ndr->current_mem_ctx, chset,
+ CH_UNIX,
+ ndr->data+ndr->offset, len3,
+ (void **)(void *)&as,
+ &converted_size, false))
+ {
+ return ndr_pull_error(ndr, NDR_ERR_CHARCNV,
+ "Bad character conversion with flags 0x%x", flags);
+ }
+ }
+ NDR_CHECK(ndr_pull_advance(ndr, len3));
+ *s = as;
+ break;
+
+ case LIBNDR_FLAG_STR_NULLTERM:
+ if (byte_mul == 1) {
+ len1 = ascii_len_n((const char *)(ndr->data+ndr->offset), ndr->data_size - ndr->offset);
+ } else {
+ len1 = utf16_len_n(ndr->data+ndr->offset, ndr->data_size - ndr->offset);
+ }
+ if (!convert_string_talloc(ndr->current_mem_ctx, chset, CH_UNIX,
+ ndr->data+ndr->offset, len1,
+ (void **)(void *)&as,
+ &converted_size, false))
+ {
+ return ndr_pull_error(ndr, NDR_ERR_CHARCNV,
+ "Bad character conversion with flags 0x%x", flags);
+ }
+ NDR_CHECK(ndr_pull_advance(ndr, len1));
+ *s = as;
+ break;
+
+ case LIBNDR_FLAG_STR_NOTERM:
+ if (!(ndr->flags & LIBNDR_FLAG_REMAINING)) {
+ return ndr_pull_error(ndr, NDR_ERR_STRING, "Bad string flags 0x%x (missing NDR_REMAINING)\n",
+ ndr->flags & LIBNDR_STRING_FLAGS);
+ }
+
+ len1 = ndr->data_size - ndr->offset;
+
+ NDR_PULL_NEED_BYTES(ndr, len1);
+ if (len1 == 0) {
+ as = talloc_strdup(ndr->current_mem_ctx, "");
+ } else {
+ if (!convert_string_talloc(ndr->current_mem_ctx, chset,
+ CH_UNIX,
+ ndr->data+ndr->offset, len1,
+ (void **)(void *)&as,
+ &converted_size, false))
+ {
+ return ndr_pull_error(ndr, NDR_ERR_CHARCNV,
+ "Bad character conversion with flags 0x%x", flags);
+ }
+ }
+ NDR_CHECK(ndr_pull_advance(ndr, len1));
+
+ *s = as;
+ break;
+
+ default:
+ return ndr_pull_error(ndr, NDR_ERR_STRING, "Bad string flags 0x%x\n",
+ ndr->flags & LIBNDR_STRING_FLAGS);
+ }
+
+ return NDR_ERR_SUCCESS;
+}
+
+
+/**
+ push a general string onto the wire
+*/
+_PUBLIC_ enum ndr_err_code ndr_push_string(struct ndr_push *ndr, int ndr_flags, const char *s)
+{
+ ssize_t s_len, c_len;
+ size_t d_len;
+ int chset = CH_UTF16;
+ unsigned flags = ndr->flags;
+ unsigned byte_mul = 2;
+ uint8_t *dest = NULL;
+
+ if (!(ndr_flags & NDR_SCALARS)) {
+ return NDR_ERR_SUCCESS;
+ }
+
+ if (NDR_BE(ndr)) {
+ chset = CH_UTF16BE;
+ }
+
+ s_len = s?strlen(s):0;
+
+ if (flags & LIBNDR_FLAG_STR_ASCII) {
+ chset = CH_DOS;
+ byte_mul = 1;
+ flags &= ~LIBNDR_FLAG_STR_ASCII;
+ }
+
+ if (flags & LIBNDR_FLAG_STR_UTF8) {
+ chset = CH_UTF8;
+ byte_mul = 1;
+ flags &= ~LIBNDR_FLAG_STR_UTF8;
+ }
+
+ flags &= ~LIBNDR_FLAG_STR_CONFORMANT;
+
+ if (!(flags & LIBNDR_FLAG_STR_NOTERM)) {
+ s_len++;
+ }
+ if (!convert_string_talloc(ndr, CH_UNIX, chset, s, s_len,
+ (void **)(void *)&dest, &d_len, false))
+ {
+ return ndr_push_error(ndr, NDR_ERR_CHARCNV,
+ "Bad character push conversion with flags 0x%x", flags);
+ }
+
+ if (flags & LIBNDR_FLAG_STR_BYTESIZE) {
+ c_len = d_len;
+ flags &= ~LIBNDR_FLAG_STR_BYTESIZE;
+ } else if (flags & LIBNDR_FLAG_STR_CHARLEN) {
+ c_len = (d_len / byte_mul)-1;
+ flags &= ~LIBNDR_FLAG_STR_CHARLEN;
+ } else {
+ c_len = d_len / byte_mul;
+ }
+
+ switch ((flags & LIBNDR_STRING_FLAGS) & ~LIBNDR_FLAG_STR_NOTERM) {
+ case LIBNDR_FLAG_STR_LEN4|LIBNDR_FLAG_STR_SIZE4:
+ NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, c_len));
+ NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, 0));
+ NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, c_len));
+ NDR_CHECK(ndr_push_bytes(ndr, dest, d_len));
+ break;
+
+ case LIBNDR_FLAG_STR_LEN4:
+ NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, 0));
+ NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, c_len));
+ NDR_CHECK(ndr_push_bytes(ndr, dest, d_len));
+ break;
+
+ case LIBNDR_FLAG_STR_SIZE4:
+ NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, c_len));
+ NDR_CHECK(ndr_push_bytes(ndr, dest, d_len));
+ break;
+
+ case LIBNDR_FLAG_STR_SIZE2:
+ NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, c_len));
+ NDR_CHECK(ndr_push_bytes(ndr, dest, d_len));
+ break;
+
+ case LIBNDR_FLAG_STR_NULLTERM:
+ NDR_CHECK(ndr_push_bytes(ndr, dest, d_len));
+ break;
+
+ default:
+ if (ndr->flags & LIBNDR_FLAG_REMAINING) {
+ NDR_CHECK(ndr_push_bytes(ndr, dest, d_len));
+ break;
+ }
+
+ return ndr_push_error(ndr, NDR_ERR_STRING, "Bad string flags 0x%x\n",
+ ndr->flags & LIBNDR_STRING_FLAGS);
+ }
+
+ talloc_free(dest);
+
+ return NDR_ERR_SUCCESS;
+}
+
+/**
+ push a general string onto the wire
+*/
+_PUBLIC_ size_t ndr_string_array_size(struct ndr_push *ndr, const char *s)
+{
+ size_t c_len;
+ unsigned flags = ndr->flags;
+ unsigned byte_mul = 2;
+ unsigned c_len_term = 1;
+
+ c_len = s?strlen_m(s):0;
+
+ if (flags & (LIBNDR_FLAG_STR_ASCII|LIBNDR_FLAG_STR_UTF8)) {
+ byte_mul = 1;
+ }
+
+ if (flags & LIBNDR_FLAG_STR_NOTERM) {
+ c_len_term = 0;
+ }
+
+ c_len = c_len + c_len_term;
+
+ if (flags & LIBNDR_FLAG_STR_BYTESIZE) {
+ c_len = c_len * byte_mul;
+ }
+
+ return c_len;
+}
+
+_PUBLIC_ void ndr_print_string(struct ndr_print *ndr, const char *name, const char *s)
+{
+ if (s) {
+ ndr->print(ndr, "%-25s: '%s'", name, s);
+ } else {
+ ndr->print(ndr, "%-25s: NULL", name);
+ }
+}
+
+_PUBLIC_ uint32_t ndr_size_string(int ret, const char * const* string, int flags)
+{
+ /* FIXME: Is this correct for all strings ? */
+ if(!(*string)) return ret;
+ return ret+strlen(*string)+1;
+}
+
+/**
+ pull a general string array from the wire
+*/
+_PUBLIC_ enum ndr_err_code ndr_pull_string_array(struct ndr_pull *ndr, int ndr_flags, const char ***_a)
+{
+ const char **a = NULL;
+ uint32_t count;
+ unsigned flags = ndr->flags;
+ unsigned saved_flags = ndr->flags;
+
+ if (!(ndr_flags & NDR_SCALARS)) {
+ return NDR_ERR_SUCCESS;
+ }
+
+ switch (flags & (LIBNDR_FLAG_STR_NULLTERM|LIBNDR_FLAG_STR_NOTERM)) {
+ case LIBNDR_FLAG_STR_NULLTERM:
+ /*
+ * here the strings are null terminated
+ * but also the array is null terminated
+ */
+ for (count = 0;; count++) {
+ TALLOC_CTX *tmp_ctx;
+ const char *s = NULL;
+ a = talloc_realloc(ndr->current_mem_ctx, a, const char *, count + 2);
+ NDR_ERR_HAVE_NO_MEMORY(a);
+ a[count] = NULL;
+ a[count+1] = NULL;
+
+ tmp_ctx = ndr->current_mem_ctx;
+ ndr->current_mem_ctx = a;
+ NDR_CHECK(ndr_pull_string(ndr, ndr_flags, &s));
+ ndr->current_mem_ctx = tmp_ctx;
+ if (strcmp("", s)==0) {
+ a[count] = NULL;
+ break;
+ } else {
+ a[count] = s;
+ }
+ }
+
+ *_a =a;
+ break;
+
+ case LIBNDR_FLAG_STR_NOTERM:
+ if (!(ndr->flags & LIBNDR_FLAG_REMAINING)) {
+ return ndr_pull_error(ndr, NDR_ERR_STRING, "Bad string flags 0x%x (missing NDR_REMAINING)\n",
+ ndr->flags & LIBNDR_STRING_FLAGS);
+ }
+ /*
+ * here the strings are not null terminated
+ * but serarated by a null terminator
+ *
+ * which means the same as:
+ * very string is null terminated exept the last
+ * string is terminated by the end of the buffer
+ *
+ * as LIBNDR_FLAG_STR_NULLTERM also end at the end
+ * of the buffer, we can pull each string with this flag
+ */
+ ndr->flags &= ~(LIBNDR_FLAG_STR_NOTERM|LIBNDR_FLAG_REMAINING);
+ ndr->flags |= LIBNDR_FLAG_STR_NULLTERM;
+
+ for (count = 0; ((ndr->data_size - ndr->offset) > 0); count++) {
+ TALLOC_CTX *tmp_ctx;
+ const char *s = NULL;
+ a = talloc_realloc(ndr->current_mem_ctx, a, const char *, count + 2);
+ NDR_ERR_HAVE_NO_MEMORY(a);
+ a[count] = NULL;
+ a[count+1] = NULL;
+
+ tmp_ctx = ndr->current_mem_ctx;
+ ndr->current_mem_ctx = a;
+ NDR_CHECK(ndr_pull_string(ndr, ndr_flags, &s));
+ ndr->current_mem_ctx = tmp_ctx;
+ a[count] = s;
+ }
+
+ *_a =a;
+ break;
+
+ default:
+ return ndr_pull_error(ndr, NDR_ERR_STRING, "Bad string flags 0x%x\n",
+ ndr->flags & LIBNDR_STRING_FLAGS);
+ }
+
+ ndr->flags = saved_flags;
+ return NDR_ERR_SUCCESS;
+}
+
+/**
+ push a general string array onto the wire
+*/
+_PUBLIC_ enum ndr_err_code ndr_push_string_array(struct ndr_push *ndr, int ndr_flags, const char **a)
+{
+ uint32_t count;
+ unsigned flags = ndr->flags;
+ unsigned saved_flags = ndr->flags;
+
+ if (!(ndr_flags & NDR_SCALARS)) {
+ return NDR_ERR_SUCCESS;
+ }
+
+ switch (flags & LIBNDR_STRING_FLAGS) {
+ case LIBNDR_FLAG_STR_NULLTERM:
+ for (count = 0; a && a[count]; count++) {
+ NDR_CHECK(ndr_push_string(ndr, ndr_flags, a[count]));
+ }
+
+ NDR_CHECK(ndr_push_string(ndr, ndr_flags, ""));
+ break;
+
+ case LIBNDR_FLAG_STR_NOTERM:
+ if (!(ndr->flags & LIBNDR_FLAG_REMAINING)) {
+ return ndr_push_error(ndr, NDR_ERR_STRING, "Bad string flags 0x%x (missing NDR_REMAINING)\n",
+ ndr->flags & LIBNDR_STRING_FLAGS);
+ }
+
+ for (count = 0; a && a[count]; count++) {
+ if (count > 0) {
+ ndr->flags &= ~(LIBNDR_FLAG_STR_NOTERM|LIBNDR_FLAG_REMAINING);
+ ndr->flags |= LIBNDR_FLAG_STR_NULLTERM;
+ NDR_CHECK(ndr_push_string(ndr, ndr_flags, ""));
+ ndr->flags = saved_flags;
+ }
+ NDR_CHECK(ndr_push_string(ndr, ndr_flags, a[count]));
+ }
+
+ break;
+
+ default:
+ return ndr_push_error(ndr, NDR_ERR_STRING, "Bad string flags 0x%x\n",
+ ndr->flags & LIBNDR_STRING_FLAGS);
+ }
+
+ ndr->flags = saved_flags;
+ return NDR_ERR_SUCCESS;
+}
+
+_PUBLIC_ void ndr_print_string_array(struct ndr_print *ndr, const char *name, const char **a)
+{
+ uint32_t count;
+ uint32_t i;
+
+ for (count = 0; a && a[count]; count++) {}
+
+ ndr->print(ndr, "%s: ARRAY(%d)", name, count);
+ ndr->depth++;
+ for (i=0;i<count;i++) {
+ char *idx=NULL;
+ if (asprintf(&idx, "[%d]", i) != -1) {
+ ndr_print_string(ndr, idx, a[i]);
+ free(idx);
+ }
+ }
+ ndr->depth--;
+}
+
+_PUBLIC_ size_t ndr_size_string_array(const char **a, uint32_t count, int flags)
+{
+ uint32_t i;
+ size_t size = 0;
+
+ switch (flags & LIBNDR_STRING_FLAGS) {
+ case LIBNDR_FLAG_STR_NULLTERM:
+ for (i = 0; i < count; i++) {
+ size += strlen_m_term(a[i]);
+ }
+ break;
+ case LIBNDR_FLAG_STR_NOTERM:
+ for (i = 0; i < count; i++) {
+ size += strlen_m(a[i]);
+ }
+ break;
+ default:
+ return 0;
+ }
+
+ return size;
+}
+
+/**
+ * Return number of elements in a string including the last (zeroed) element
+ */
+_PUBLIC_ uint32_t ndr_string_length(const void *_var, uint32_t element_size)
+{
+ uint32_t i;
+ uint8_t zero[4] = {0,0,0,0};
+ const char *var = (const char *)_var;
+
+ for (i = 0; memcmp(var+i*element_size,zero,element_size) != 0; i++);
+
+ return i+1;
+}
+
+_PUBLIC_ enum ndr_err_code ndr_check_string_terminator(struct ndr_pull *ndr, uint32_t count, uint32_t element_size)
+{
+ uint32_t i;
+ uint32_t save_offset;
+
+ save_offset = ndr->offset;
+ ndr_pull_advance(ndr, (count - 1) * element_size);
+ NDR_PULL_NEED_BYTES(ndr, element_size);
+
+ for (i = 0; i < element_size; i++) {
+ if (ndr->data[ndr->offset+i] != 0) {
+ ndr->offset = save_offset;
+
+ return ndr_pull_error(ndr, NDR_ERR_ARRAY_SIZE, "String terminator not present or outside string boundaries");
+ }
+ }
+
+ ndr->offset = save_offset;
+
+ return NDR_ERR_SUCCESS;
+}
+
+_PUBLIC_ enum ndr_err_code ndr_pull_charset(struct ndr_pull *ndr, int ndr_flags, const char **var, uint32_t length, uint8_t byte_mul, charset_t chset)
+{
+ size_t converted_size;
+
+ if (length == 0) {
+ *var = talloc_strdup(ndr->current_mem_ctx, "");
+ return NDR_ERR_SUCCESS;
+ }
+
+ if (NDR_BE(ndr) && chset == CH_UTF16) {
+ chset = CH_UTF16BE;
+ }
+
+ NDR_PULL_NEED_BYTES(ndr, length*byte_mul);
+
+ if (!convert_string_talloc(ndr->current_mem_ctx, chset, CH_UNIX,
+ ndr->data+ndr->offset, length*byte_mul,
+ discard_const_p(void *, var),
+ &converted_size, false))
+ {
+ return ndr_pull_error(ndr, NDR_ERR_CHARCNV,
+ "Bad character conversion");
+ }
+ NDR_CHECK(ndr_pull_advance(ndr, length*byte_mul));
+
+ return NDR_ERR_SUCCESS;
+}
+
+_PUBLIC_ enum ndr_err_code ndr_push_charset(struct ndr_push *ndr, int ndr_flags, const char *var, uint32_t length, uint8_t byte_mul, charset_t chset)
+{
+ ssize_t ret, required;
+
+ if (NDR_BE(ndr) && chset == CH_UTF16) {
+ chset = CH_UTF16BE;
+ }
+
+ required = byte_mul * length;
+
+ NDR_PUSH_NEED_BYTES(ndr, required);
+ ret = convert_string(CH_UNIX, chset,
+ var, strlen(var),
+ ndr->data+ndr->offset, required, false);
+ if (ret == -1) {
+ return ndr_push_error(ndr, NDR_ERR_CHARCNV,
+ "Bad character conversion");
+ }
+
+ /* Make sure the remaining part of the string is filled with zeroes */
+ if (ret < required) {
+ memset(ndr->data+ndr->offset+ret, 0, required-ret);
+ }
+
+ ndr->offset += required;
+
+ return NDR_ERR_SUCCESS;
+}
+
+/* Return number of elements in a string in the specified charset */
+_PUBLIC_ uint32_t ndr_charset_length(const void *var, charset_t chset)
+{
+ /* FIXME: Treat special chars special here, taking chset into account */
+ /* Also include 0 byte */
+ return strlen((const char *)var)+1;
+}