diff options
Diffstat (limited to 'source4')
| -rw-r--r-- | source4/librpc/config.mk | 1 | ||||
| -rw-r--r-- | source4/librpc/ndr/libndr.h | 1 | ||||
| -rw-r--r-- | source4/librpc/ndr/ndr_basic.c | 476 | ||||
| -rw-r--r-- | source4/librpc/ndr/ndr_string.c | 499 |
4 files changed, 501 insertions, 476 deletions
diff --git a/source4/librpc/config.mk b/source4/librpc/config.mk index be4d536108..5fd89ff2ee 100644 --- a/source4/librpc/config.mk +++ b/source4/librpc/config.mk @@ -5,6 +5,7 @@ INIT_OBJ_FILES = \ librpc/ndr/ndr.o ADD_OBJ_FILES = \ librpc/ndr/ndr_basic.o \ + librpc/ndr/ndr_string.o \ librpc/ndr/ndr_compression.o \ librpc/ndr/ndr_obfuscate.o \ librpc/ndr/ndr_misc.o diff --git a/source4/librpc/ndr/libndr.h b/source4/librpc/ndr/libndr.h index dd775d62ad..738e5d61c9 100644 --- a/source4/librpc/ndr/libndr.h +++ b/source4/librpc/ndr/libndr.h @@ -143,6 +143,7 @@ struct ndr_print { #define NDR_PRINT_OUT_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_OUT, p) #define NDR_PRINT_IN_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_IN | NDR_SET_VALUES, p) +#define NDR_BE(ndr) (((ndr)->flags & (LIBNDR_FLAG_BIGENDIAN|LIBNDR_FLAG_LITTLE_ENDIAN)) == LIBNDR_FLAG_BIGENDIAN) enum ndr_err_code { NDR_ERR_CONFORMANT_SIZE, diff --git a/source4/librpc/ndr/ndr_basic.c b/source4/librpc/ndr/ndr_basic.c index ef52a10efa..31a1c816b4 100644 --- a/source4/librpc/ndr/ndr_basic.c +++ b/source4/librpc/ndr/ndr_basic.c @@ -23,7 +23,6 @@ #include "includes.h" #include "system/network.h" -#define NDR_BE(ndr) (((ndr)->flags & (LIBNDR_FLAG_BIGENDIAN|LIBNDR_FLAG_LITTLE_ENDIAN)) == LIBNDR_FLAG_BIGENDIAN) #define NDR_SVAL(ndr, ofs) (NDR_BE(ndr)?RSVAL(ndr->data,ofs):SVAL(ndr->data,ofs)) #define NDR_IVAL(ndr, ofs) (NDR_BE(ndr)?RIVAL(ndr->data,ofs):IVAL(ndr->data,ofs)) #define NDR_IVALS(ndr, ofs) (NDR_BE(ndr)?RIVALS(ndr->data,ofs):IVALS(ndr->data,ofs)) @@ -581,465 +580,6 @@ NTSTATUS ndr_push_ref_ptr(struct ndr_push *ndr, const void *p) return ndr_push_uint32(ndr, NDR_SCALARS, 0); } -/* - pull a general string from the wire -*/ -NTSTATUS ndr_pull_string(struct ndr_pull *ndr, int ndr_flags, const char **s) -{ - char *as=NULL; - uint32_t len1, ofs, len2; - uint16_t len3; - int ret; - int chset = CH_UTF16; - unsigned byte_mul = 2; - unsigned flags = ndr->flags; - unsigned c_len_term = 0; - - if (!(ndr_flags & NDR_SCALARS)) { - return NT_STATUS_OK; - } - - 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); - } - if (len2 == 0) { - *s = talloc_strdup(ndr, ""); - break; - } - NDR_PULL_NEED_BYTES(ndr, (len2 + c_len_term)*byte_mul); - ret = convert_string_talloc(ndr, chset, CH_UNIX, - ndr->data+ndr->offset, - (len2 + c_len_term)*byte_mul, - (void **)&as); - if (ret == -1) { - return ndr_pull_error(ndr, NDR_ERR_CHARCNV, - "Bad character conversion"); - } - NDR_CHECK(ndr_pull_advance(ndr, (len2 + 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) < (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) { - *s = talloc_strdup(ndr, ""); - break; - } - ret = convert_string_talloc(ndr, chset, CH_UNIX, - ndr->data+ndr->offset, - (len1 + c_len_term)*byte_mul, - (void **)&as); - if (ret == -1) { - return ndr_pull_error(ndr, NDR_ERR_CHARCNV, - "Bad character conversion"); - } - 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) { - *s = talloc_strdup(ndr, ""); - break; - } - ret = convert_string_talloc(ndr, chset, CH_UNIX, - ndr->data+ndr->offset, - (len1 + c_len_term)*byte_mul, - (void **)&as); - if (ret == -1) { - return ndr_pull_error(ndr, NDR_ERR_CHARCNV, - "Bad character conversion"); - } - 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) { - *s = talloc_strdup(ndr, ""); - break; - } - ret = convert_string_talloc(ndr, chset, CH_UNIX, - ndr->data+ndr->offset, - (len3 + c_len_term)*byte_mul, - (void **)&as); - if (ret == -1) { - return ndr_pull_error(ndr, NDR_ERR_CHARCNV, - "Bad character conversion"); - } - 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) { - *s = talloc_strdup(ndr, ""); - break; - } - ret = convert_string_talloc(ndr, chset, CH_UNIX, - ndr->data+ndr->offset, - len3, - (void **)&as); - if (ret == -1) { - return ndr_pull_error(ndr, NDR_ERR_CHARCNV, - "Bad character conversion"); - } - 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); - } - ret = convert_string_talloc(ndr, chset, CH_UNIX, - ndr->data+ndr->offset, - len1, - (void **)&as); - if (ret == -1) { - return ndr_pull_error(ndr, NDR_ERR_CHARCNV, - "Bad character conversion"); - } - NDR_CHECK(ndr_pull_advance(ndr, len1)); - *s = as; - break; - - case LIBNDR_FLAG_STR_FIXLEN15: - case LIBNDR_FLAG_STR_FIXLEN32: - len1 = (flags & LIBNDR_FLAG_STR_FIXLEN32)?32:15; - NDR_PULL_NEED_BYTES(ndr, len1*byte_mul); - ret = convert_string_talloc(ndr, chset, CH_UNIX, - ndr->data+ndr->offset, - len1*byte_mul, - (void **)&as); - if (ret == -1) { - return ndr_pull_error(ndr, NDR_ERR_CHARCNV, - "Bad character conversion"); - } - NDR_CHECK(ndr_pull_advance(ndr, len1*byte_mul)); - *s = as; - break; - - default: - return ndr_pull_error(ndr, NDR_ERR_STRING, "Bad string flags 0x%x\n", - ndr->flags & LIBNDR_STRING_FLAGS); - } - - return NT_STATUS_OK; -} - - -/* - push a general string onto the wire -*/ -NTSTATUS ndr_push_string(struct ndr_push *ndr, int ndr_flags, const char *s) -{ - ssize_t s_len, c_len, d_len; - int ret; - int chset = CH_UTF16; - unsigned flags = ndr->flags; - unsigned byte_mul = 2; - unsigned c_len_term = 1; - - if (!(ndr_flags & NDR_SCALARS)) { - return NT_STATUS_OK; - } - - if (NDR_BE(ndr)) { - chset = CH_UTF16BE; - } - - s_len = s?strlen(s):0; - c_len = s?strlen_m(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_CHARLEN) { - c_len_term = 0; - flags &= ~LIBNDR_FLAG_STR_CHARLEN; - } - - switch (flags & LIBNDR_STRING_FLAGS) { - case LIBNDR_FLAG_STR_LEN4|LIBNDR_FLAG_STR_SIZE4: - NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, c_len+c_len_term)); - NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, 0)); - NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, c_len+c_len_term)); - NDR_PUSH_NEED_BYTES(ndr, byte_mul*(c_len+1)); - ret = convert_string(CH_UNIX, chset, - s, s_len+1, - ndr->data+ndr->offset, - byte_mul*(c_len+1)); - if (ret == -1) { - return ndr_push_error(ndr, NDR_ERR_CHARCNV, - "Bad character conversion"); - } - ndr->offset += byte_mul*(c_len+1); - break; - - case LIBNDR_FLAG_STR_LEN4|LIBNDR_FLAG_STR_SIZE4|LIBNDR_FLAG_STR_NOTERM: - 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_PUSH_NEED_BYTES(ndr, c_len*byte_mul); - ret = convert_string(CH_UNIX, chset, - s, s_len, - ndr->data+ndr->offset, c_len*byte_mul); - if (ret == -1) { - return ndr_push_error(ndr, NDR_ERR_CHARCNV, - "Bad character conversion"); - } - ndr->offset += c_len*byte_mul; - 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 + c_len_term)); - NDR_PUSH_NEED_BYTES(ndr, byte_mul*(c_len+1)); - ret = convert_string(CH_UNIX, chset, - s, s_len + 1, - ndr->data+ndr->offset, byte_mul*(c_len+1)); - if (ret == -1) { - return ndr_push_error(ndr, NDR_ERR_CHARCNV, - "Bad character conversion"); - } - ndr->offset += byte_mul*(c_len+1); - break; - - case LIBNDR_FLAG_STR_LEN4|LIBNDR_FLAG_STR_NOTERM: - NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, 0)); - NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, c_len)); - NDR_PUSH_NEED_BYTES(ndr, byte_mul*c_len); - ret = convert_string(CH_UNIX, chset, - s, s_len, - ndr->data+ndr->offset, byte_mul*c_len); - if (ret == -1) { - return ndr_push_error(ndr, NDR_ERR_CHARCNV, - "Bad character conversion"); - } - ndr->offset += byte_mul*c_len; - break; - - case LIBNDR_FLAG_STR_SIZE4: - NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, c_len + c_len_term)); - NDR_PUSH_NEED_BYTES(ndr, byte_mul*(c_len+1)); - ret = convert_string(CH_UNIX, chset, - s, s_len + 1, - ndr->data+ndr->offset, byte_mul*(c_len+1)); - if (ret == -1) { - return ndr_push_error(ndr, NDR_ERR_CHARCNV, - "Bad character conversion"); - } - ndr->offset += byte_mul*(c_len+1); - break; - - case LIBNDR_FLAG_STR_SIZE2: - NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, c_len + c_len_term)); - NDR_PUSH_NEED_BYTES(ndr, byte_mul*(c_len+1)); - ret = convert_string(CH_UNIX, chset, - s, s_len + 1, - ndr->data+ndr->offset, byte_mul*(c_len+1)); - if (ret == -1) { - return ndr_push_error(ndr, NDR_ERR_CHARCNV, - "Bad character conversion"); - } - ndr->offset += byte_mul*(c_len+1); - break; - - case LIBNDR_FLAG_STR_NULLTERM: - NDR_PUSH_NEED_BYTES(ndr, byte_mul*(c_len+1)); - ret = convert_string(CH_UNIX, chset, - s, s_len+1, - ndr->data+ndr->offset, byte_mul*(c_len+1)); - if (ret == -1) { - return ndr_push_error(ndr, NDR_ERR_CHARCNV, - "Bad character conversion"); - } - ndr->offset += byte_mul*(c_len+1); - break; - - case LIBNDR_FLAG_STR_SIZE2|LIBNDR_FLAG_STR_NOTERM|LIBNDR_FLAG_STR_BYTESIZE: - NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, c_len*byte_mul)); - NDR_PUSH_NEED_BYTES(ndr, c_len*byte_mul); - ret = convert_string(CH_UNIX, chset, - s, s_len, - ndr->data+ndr->offset, c_len*byte_mul); - if (ret == -1) { - return ndr_push_error(ndr, NDR_ERR_CHARCNV, - "Bad character conversion"); - } - ndr->offset += c_len*byte_mul; - break; - - case LIBNDR_FLAG_STR_FIXLEN15: - case LIBNDR_FLAG_STR_FIXLEN32: - d_len = (flags & LIBNDR_FLAG_STR_FIXLEN32)?32:15; - NDR_PUSH_NEED_BYTES(ndr, byte_mul*d_len); - ret = convert_string(CH_UNIX, chset, - s, s_len, - ndr->data+ndr->offset, byte_mul*d_len); - if (ret == -1) { - return ndr_push_error(ndr, NDR_ERR_CHARCNV, - "Bad character conversion"); - } - ndr->offset += byte_mul*d_len; - break; - - default: - return ndr_push_error(ndr, NDR_ERR_STRING, "Bad string flags 0x%x\n", - ndr->flags & LIBNDR_STRING_FLAGS); - } - - return NT_STATUS_OK; -} - -/* - push a general string onto the wire -*/ -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; - - if (flags & LIBNDR_FLAG_STR_FIXLEN32) { - return 32; - } - if (flags & LIBNDR_FLAG_STR_FIXLEN15) { - return 15; - } - - 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; -} - /* push a NTTIME @@ -1246,15 +786,6 @@ void ndr_print_ptr(struct ndr_print *ndr, const char *name, const void *p) } } -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); - } -} - void ndr_print_NTTIME(struct ndr_print *ndr, const char *name, NTTIME t) { ndr->print(ndr, "%-25s: %s", name, nt_time_string(ndr, t)); @@ -1456,10 +987,3 @@ uint32_t ndr_size_DATA_BLOB(int ret, const DATA_BLOB *data, int flags) { return ret + data->length; } - -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; -} diff --git a/source4/librpc/ndr/ndr_string.c b/source4/librpc/ndr/ndr_string.c new file mode 100644 index 0000000000..ee76508393 --- /dev/null +++ b/source4/librpc/ndr/ndr_string.c @@ -0,0 +1,499 @@ +/* + 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 2 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, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "includes.h" +#include "system/network.h" + +/* + pull a general string from the wire +*/ +NTSTATUS ndr_pull_string(struct ndr_pull *ndr, int ndr_flags, const char **s) +{ + char *as=NULL; + uint32_t len1, ofs, len2; + uint16_t len3; + int ret; + int chset = CH_UTF16; + unsigned byte_mul = 2; + unsigned flags = ndr->flags; + unsigned c_len_term = 0; + + if (!(ndr_flags & NDR_SCALARS)) { + return NT_STATUS_OK; + } + + 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); + } + if (len2 == 0) { + *s = talloc_strdup(ndr, ""); + break; + } + NDR_PULL_NEED_BYTES(ndr, (len2 + c_len_term)*byte_mul); + ret = convert_string_talloc(ndr, chset, CH_UNIX, + ndr->data+ndr->offset, + (len2 + c_len_term)*byte_mul, + (void **)&as); + if (ret == -1) { + return ndr_pull_error(ndr, NDR_ERR_CHARCNV, + "Bad character conversion"); + } + NDR_CHECK(ndr_pull_advance(ndr, (len2 + 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) < (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) { + *s = talloc_strdup(ndr, ""); + break; + } + ret = convert_string_talloc(ndr, chset, CH_UNIX, + ndr->data+ndr->offset, + (len1 + c_len_term)*byte_mul, + (void **)&as); + if (ret == -1) { + return ndr_pull_error(ndr, NDR_ERR_CHARCNV, + "Bad character conversion"); + } + 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) { + *s = talloc_strdup(ndr, ""); + break; + } + ret = convert_string_talloc(ndr, chset, CH_UNIX, + ndr->data+ndr->offset, + (len1 + c_len_term)*byte_mul, + (void **)&as); + if (ret == -1) { + return ndr_pull_error(ndr, NDR_ERR_CHARCNV, + "Bad character conversion"); + } + 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) { + *s = talloc_strdup(ndr, ""); + break; + } + ret = convert_string_talloc(ndr, chset, CH_UNIX, + ndr->data+ndr->offset, + (len3 + c_len_term)*byte_mul, + (void **)&as); + if (ret == -1) { + return ndr_pull_error(ndr, NDR_ERR_CHARCNV, + "Bad character conversion"); + } + 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) { + *s = talloc_strdup(ndr, ""); + break; + } + ret = convert_string_talloc(ndr, chset, CH_UNIX, + ndr->data+ndr->offset, + len3, + (void **)&as); + if (ret == -1) { + return ndr_pull_error(ndr, NDR_ERR_CHARCNV, + "Bad character conversion"); + } + 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); + } + ret = convert_string_talloc(ndr, chset, CH_UNIX, + ndr->data+ndr->offset, + len1, + (void **)&as); + if (ret == -1) { + return ndr_pull_error(ndr, NDR_ERR_CHARCNV, + "Bad character conversion"); + } + NDR_CHECK(ndr_pull_advance(ndr, len1)); + *s = as; + break; + + case LIBNDR_FLAG_STR_FIXLEN15: + case LIBNDR_FLAG_STR_FIXLEN32: + len1 = (flags & LIBNDR_FLAG_STR_FIXLEN32)?32:15; + NDR_PULL_NEED_BYTES(ndr, len1*byte_mul); + ret = convert_string_talloc(ndr, chset, CH_UNIX, + ndr->data+ndr->offset, + len1*byte_mul, + (void **)&as); + if (ret == -1) { + return ndr_pull_error(ndr, NDR_ERR_CHARCNV, + "Bad character conversion"); + } + NDR_CHECK(ndr_pull_advance(ndr, len1*byte_mul)); + *s = as; + break; + + default: + return ndr_pull_error(ndr, NDR_ERR_STRING, "Bad string flags 0x%x\n", + ndr->flags & LIBNDR_STRING_FLAGS); + } + + return NT_STATUS_OK; +} + + +/* + push a general string onto the wire +*/ +NTSTATUS ndr_push_string(struct ndr_push *ndr, int ndr_flags, const char *s) +{ + ssize_t s_len, c_len, d_len; + int ret; + int chset = CH_UTF16; + unsigned flags = ndr->flags; + unsigned byte_mul = 2; + unsigned c_len_term = 1; + + if (!(ndr_flags & NDR_SCALARS)) { + return NT_STATUS_OK; + } + + if (NDR_BE(ndr)) { + chset = CH_UTF16BE; + } + + s_len = s?strlen(s):0; + c_len = s?strlen_m(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_CHARLEN) { + c_len_term = 0; + flags &= ~LIBNDR_FLAG_STR_CHARLEN; + } + + switch (flags & LIBNDR_STRING_FLAGS) { + case LIBNDR_FLAG_STR_LEN4|LIBNDR_FLAG_STR_SIZE4: + NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, c_len+c_len_term)); + NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, 0)); + NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, c_len+c_len_term)); + NDR_PUSH_NEED_BYTES(ndr, byte_mul*(c_len+1)); + ret = convert_string(CH_UNIX, chset, + s, s_len+1, + ndr->data+ndr->offset, + byte_mul*(c_len+1)); + if (ret == -1) { + return ndr_push_error(ndr, NDR_ERR_CHARCNV, + "Bad character conversion"); + } + ndr->offset += byte_mul*(c_len+1); + break; + + case LIBNDR_FLAG_STR_LEN4|LIBNDR_FLAG_STR_SIZE4|LIBNDR_FLAG_STR_NOTERM: + 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_PUSH_NEED_BYTES(ndr, c_len*byte_mul); + ret = convert_string(CH_UNIX, chset, + s, s_len, + ndr->data+ndr->offset, c_len*byte_mul); + if (ret == -1) { + return ndr_push_error(ndr, NDR_ERR_CHARCNV, + "Bad character conversion"); + } + ndr->offset += c_len*byte_mul; + 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 + c_len_term)); + NDR_PUSH_NEED_BYTES(ndr, byte_mul*(c_len+1)); + ret = convert_string(CH_UNIX, chset, + s, s_len + 1, + ndr->data+ndr->offset, byte_mul*(c_len+1)); + if (ret == -1) { + return ndr_push_error(ndr, NDR_ERR_CHARCNV, + "Bad character conversion"); + } + ndr->offset += byte_mul*(c_len+1); + break; + + case LIBNDR_FLAG_STR_LEN4|LIBNDR_FLAG_STR_NOTERM: + NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, 0)); + NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, c_len)); + NDR_PUSH_NEED_BYTES(ndr, byte_mul*c_len); + ret = convert_string(CH_UNIX, chset, + s, s_len, + ndr->data+ndr->offset, byte_mul*c_len); + if (ret == -1) { + return ndr_push_error(ndr, NDR_ERR_CHARCNV, + "Bad character conversion"); + } + ndr->offset += byte_mul*c_len; + break; + + case LIBNDR_FLAG_STR_SIZE4: + NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, c_len + c_len_term)); + NDR_PUSH_NEED_BYTES(ndr, byte_mul*(c_len+1)); + ret = convert_string(CH_UNIX, chset, + s, s_len + 1, + ndr->data+ndr->offset, byte_mul*(c_len+1)); + if (ret == -1) { + return ndr_push_error(ndr, NDR_ERR_CHARCNV, + "Bad character conversion"); + } + ndr->offset += byte_mul*(c_len+1); + break; + + case LIBNDR_FLAG_STR_SIZE2: + NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, c_len + c_len_term)); + NDR_PUSH_NEED_BYTES(ndr, byte_mul*(c_len+1)); + ret = convert_string(CH_UNIX, chset, + s, s_len + 1, + ndr->data+ndr->offset, byte_mul*(c_len+1)); + if (ret == -1) { + return ndr_push_error(ndr, NDR_ERR_CHARCNV, + "Bad character conversion"); + } + ndr->offset += byte_mul*(c_len+1); + break; + + case LIBNDR_FLAG_STR_NULLTERM: + NDR_PUSH_NEED_BYTES(ndr, byte_mul*(c_len+1)); + ret = convert_string(CH_UNIX, chset, + s, s_len+1, + ndr->data+ndr->offset, byte_mul*(c_len+1)); + if (ret == -1) { + return ndr_push_error(ndr, NDR_ERR_CHARCNV, + "Bad character conversion"); + } + ndr->offset += byte_mul*(c_len+1); + break; + + case LIBNDR_FLAG_STR_SIZE2|LIBNDR_FLAG_STR_NOTERM|LIBNDR_FLAG_STR_BYTESIZE: + NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, c_len*byte_mul)); + NDR_PUSH_NEED_BYTES(ndr, c_len*byte_mul); + ret = convert_string(CH_UNIX, chset, + s, s_len, + ndr->data+ndr->offset, c_len*byte_mul); + if (ret == -1) { + return ndr_push_error(ndr, NDR_ERR_CHARCNV, + "Bad character conversion"); + } + ndr->offset += c_len*byte_mul; + break; + + case LIBNDR_FLAG_STR_FIXLEN15: + case LIBNDR_FLAG_STR_FIXLEN32: + d_len = (flags & LIBNDR_FLAG_STR_FIXLEN32)?32:15; + NDR_PUSH_NEED_BYTES(ndr, byte_mul*d_len); + ret = convert_string(CH_UNIX, chset, + s, s_len, + ndr->data+ndr->offset, byte_mul*d_len); + if (ret == -1) { + return ndr_push_error(ndr, NDR_ERR_CHARCNV, + "Bad character conversion"); + } + ndr->offset += byte_mul*d_len; + break; + + default: + return ndr_push_error(ndr, NDR_ERR_STRING, "Bad string flags 0x%x\n", + ndr->flags & LIBNDR_STRING_FLAGS); + } + + return NT_STATUS_OK; +} + +/* + push a general string onto the wire +*/ +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; + + if (flags & LIBNDR_FLAG_STR_FIXLEN32) { + return 32; + } + if (flags & LIBNDR_FLAG_STR_FIXLEN15) { + return 15; + } + + 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; +} + +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); + } +} + +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; +} |