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* Unix SMB/CIFS implementation.
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* Registry helper routines
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* Copyright (C) Gregor Beck 2010
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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* @file reg_parse_internal.h
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* @author Gregor Beck <gb@sernet.de>
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#include "reg_parse_internal.h"
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size_t iconvert_talloc(const void* ctx,
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const char* src, size_t srclen,
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size_t obytes, ibytes;
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char *optr, *dst, *tmp;
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if (cd == NULL || cd == ((smb_iconv_t)-1)) {
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* Allocate an extra two bytes for the
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dst = (char *)talloc_size(ctx, dstlen);
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DEBUG(0,("iconver_talloc no mem\n"));
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dstlen = talloc_get_size(dst);
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ret = smb_iconv(cd, &iptr, &ibytes, &optr, &obytes);
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const char *reason="unknown error";
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reason="Incomplete multibyte sequence";
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dstlen = 2*dstlen + 2;
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tmp = talloc_realloc(ctx, dst, char, dstlen);
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reason="talloc_realloc failed";
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reason="Illegal multibyte sequence";
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DEBUG(0,("Conversion error: %s(%.80s) %li\n", reason, iptr,
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(long int)(iptr-src)));
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dstlen = (dstlen-2) - obytes;
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SSVAL(dst, dstlen, 0);
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#ifndef HKEY_CURRENT_CONFIG
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#define HKEY_CURRENT_CONFIG 0x80000005
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#ifndef HKEY_DYN_DATA
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#define HKEY_DYN_DATA 0x80000006
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#ifndef HKEY_PERFORMANCE_TEXT
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#define HKEY_PERFORMANCE_TEXT 0x80000050
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#ifndef HKEY_PERFORMANCE_NLSTEXT
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#define HKEY_PERFORMANCE_NLSTEXT 0x80000060
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#define HIVE_INFO_ENTRY(SHORT,LONG) \
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static const struct hive_info HIVE_INFO_##SHORT = { \
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.short_name = #SHORT, \
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.short_name_len = sizeof(#SHORT)-1, \
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.long_name = #LONG, \
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.long_name_len = sizeof(#LONG)-1, \
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HIVE_INFO_ENTRY(HKLM, HKEY_LOCAL_MACHINE);
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HIVE_INFO_ENTRY(HKCU, HKEY_CURRENT_USER);
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HIVE_INFO_ENTRY(HKCR, HKEY_CLASSES_ROOT);
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HIVE_INFO_ENTRY(HKU , HKEY_USERS);
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HIVE_INFO_ENTRY(HKCC, HKEY_CURRENT_CONFIG);
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HIVE_INFO_ENTRY(HKDD, HKEY_DYN_DATA);
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HIVE_INFO_ENTRY(HKPD, HKEY_PERFORMANCE_DATA);
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HIVE_INFO_ENTRY(HKPT, HKEY_PERFORMANCE_TEXT);
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HIVE_INFO_ENTRY(HKPN, HKEY_PERFORMANCE_NLSTEXT);
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#undef HIVE_INFO_ENTRY
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static const struct hive_info* HIVE_INFO[] = {
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&HIVE_INFO_HKLM, &HIVE_INFO_HKCU, &HIVE_INFO_HKCR, &HIVE_INFO_HKU,
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&HIVE_INFO_HKCC, &HIVE_INFO_HKDD, &HIVE_INFO_HKPD, &HIVE_INFO_HKPT,
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&HIVE_INFO_HKPN, NULL
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const struct hive_info* hive_info(const char* name, int nlen)
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const struct hive_info** info;
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if (nlen >= sizeof(buf)) {
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for (s=0; s<nlen; s++) {
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buf[s] = toupper(name[s]);
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if ((s < 3) || (strncmp(buf, "HK", 2) != 0)) {
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for(info = HIVE_INFO; *info; info++) {
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if (strcmp(buf+2, (*info)->short_name+2) == 0) {
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if ((s < 10) || (strncmp(buf, "HKEY_", 5)) != 0) {
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for(info = HIVE_INFO; *info; info++) {
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if (strcmp(buf+5, (*info)->long_name+5) == 0) {
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const char* get_charset(const char* c)
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if (strcmp(c, "dos") == 0) {
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return lp_dos_charset();
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} else if (strcmp(c, "unix") == 0) {
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return lp_unix_charset();
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bool set_iconv(smb_iconv_t* t, const char* to, const char* from)
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smb_iconv_t cd = (smb_iconv_t)-1;
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to = get_charset(to);
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from = get_charset(from);
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cd = smb_iconv_open(to, from);
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if (cd == ((smb_iconv_t)-1)) {
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if ((*t != (smb_iconv_t)NULL) && (*t != (smb_iconv_t)-1)) {
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* Parse option string
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* @param[in,out] ptr parse position
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* @param[in] mem_ctx talloc context
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* @param[out] name ptr 2 value
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* @param[out] value ptr 2 value
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* @return true on success
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bool srprs_option(const char** ptr, const void* mem_ctx, char** name, char** value)
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const char* pos = *ptr;
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void* ctx = talloc_new(mem_ctx);
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cbuf* key = cbuf_new(ctx);
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while(srprs_charsetinv(&pos, ",= \t\n\r", key))
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*name = talloc_steal(mem_ctx, cbuf_gets(key, 0));
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if (!srprs_quoted_string(ptr, val, NULL)) {
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while(srprs_charsetinv(&pos, ", \t\n\r", val))
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*value = talloc_steal(mem_ctx, cbuf_gets(val, 0));
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while(srprs_char(&pos, ','))
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#define CH_INVALID ((charset_t)-1)
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static const struct {
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const char* const name;
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{"UTF-8", CH_UTF8, 3, {0xEF, 0xBB, 0xBF}},
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{"UTF-32LE", CH_INVALID, 4, {0xFF, 0xFE, 0x00, 0x00}},
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{"UTF-16LE", CH_UTF16LE, 2, {0xFF, 0xFE}},
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{"UTF-16BE", CH_UTF16BE, 2, {0xFE, 0xFF}},
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{"UTF-32BE", CH_INVALID, 4, {0x00, 0x00, 0xFE, 0xFF}},
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{NULL, CH_INVALID, 0}
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bool srprs_bom(const char** ptr, const char** name, charset_t* ctype)
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for (i=0; BOM[i].name; i++) {
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if (memcmp(*ptr, BOM[i].seq, BOM[i].len) == 0) {
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if (BOM[i].name != NULL) {
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DEBUG(0, ("Found Byte Order Mark for : %s\n", BOM[i].name));
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*ctype = BOM[i].ctype;
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int write_bom(FILE* file, const char* charset, charset_t ctype)
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if ( charset == NULL ) {
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for (i=0; BOM[i].name; i++) {
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if (BOM[i].ctype == ctype) {
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return fwrite(BOM[i].seq, 1, BOM[i].len, file);
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DEBUG(0, ("No Byte Order Mark for charset_t: %u\n", (unsigned)ctype));
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for (i=0; BOM[i].name; i++) {
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if (StrCaseCmp(BOM[i].name, charset) == 0) {
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return fwrite(BOM[i].seq, 1, BOM[i].len, file);
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DEBUG(0, ("No Byte Order Mark for charset_t: %s\n", charset));
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int cbuf_puts_case(cbuf* s, const char* str, size_t len, enum fmt_case fmt)
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size_t pos = cbuf_getpos(s);
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int ret = cbuf_puts(s, str, len);
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char* ptr = cbuf_gets(s,pos);
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case FMT_CASE_PRESERVE:
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while(*ptr != '\0') {
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*ptr = toupper(*ptr);
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*ptr = toupper(*ptr);
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while(*ptr != '\0') {
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*ptr = tolower(*ptr);