From 14b63614fae318b46539706318dcd3954836172a Mon Sep 17 00:00:00 2001 From: Stefan Metzmacher Date: Fri, 29 Apr 2005 19:16:39 +0000 Subject: r6519: move string handling functions to a seperate file metze (This used to be commit a29d52817ce943c15f6896b74273df739867c8f7) --- source4/librpc/ndr/ndr_basic.c | 476 ----------------------------------------- 1 file changed, 476 deletions(-) (limited to 'source4/librpc/ndr/ndr_basic.c') 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; -} -- cgit