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-rw-r--r--source/lib/util_str.c939
1 files changed, 939 insertions, 0 deletions
diff --git a/source/lib/util_str.c b/source/lib/util_str.c
new file mode 100644
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--- /dev/null
+++ b/source/lib/util_str.c
@@ -0,0 +1,939 @@
+/*
+ Unix SMB/Netbios implementation.
+ Version 3.0
+ Samba utility functions
+ Copyright (C) Andrew Tridgell 1992-2001
+
+ 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"
+
+/****************************************************************************
+ Get the next token from a string, return False if none found
+ handles double-quotes.
+Based on a routine by GJC@VILLAGE.COM.
+Extensively modified by Andrew.Tridgell@anu.edu.au
+****************************************************************************/
+BOOL next_token(char **ptr,char *buff,char *sep, size_t bufsize)
+{
+ char *s;
+ BOOL quoted;
+ size_t len=1;
+
+ if (!ptr) return(False);
+
+ s = *ptr;
+
+ /* default to simple separators */
+ if (!sep) sep = " \t\n\r";
+
+ /* find the first non sep char */
+ while (*s && strchr_m(sep,*s)) s++;
+
+ /* nothing left? */
+ if (! *s) return(False);
+
+ /* copy over the token */
+ for (quoted = False; len < bufsize && *s && (quoted || !strchr_m(sep,*s)); s++) {
+ if (*s == '\"') {
+ quoted = !quoted;
+ } else {
+ len++;
+ *buff++ = *s;
+ }
+ }
+
+ *ptr = (*s) ? s+1 : s;
+ *buff = 0;
+
+ return(True);
+}
+
+
+
+/****************************************************************************
+This is like next_token but is not re-entrant and "remembers" the first
+parameter so you can pass NULL. This is useful for user interface code
+but beware the fact that it is not re-entrant!
+****************************************************************************/
+static char *last_ptr=NULL;
+
+BOOL next_token_nr(char **ptr,char *buff,char *sep, size_t bufsize)
+{
+ BOOL ret;
+ if (!ptr) ptr = &last_ptr;
+
+ ret = next_token(ptr, buff, sep, bufsize);
+ last_ptr = *ptr;
+ return ret;
+}
+
+static uint16 tmpbuf[sizeof(pstring)];
+
+void set_first_token(char *ptr)
+{
+ last_ptr = ptr;
+}
+
+
+/****************************************************************************
+Convert list of tokens to array; dependent on above routine.
+Uses last_ptr from above - bit of a hack.
+****************************************************************************/
+char **toktocliplist(int *ctok, char *sep)
+{
+ char *s=last_ptr;
+ int ictok=0;
+ char **ret, **iret;
+
+ if (!sep) sep = " \t\n\r";
+
+ while(*s && strchr_m(sep,*s)) s++;
+
+ /* nothing left? */
+ if (!*s) return(NULL);
+
+ do {
+ ictok++;
+ while(*s && (!strchr_m(sep,*s))) s++;
+ while(*s && strchr_m(sep,*s)) *s++=0;
+ } while(*s);
+
+ *ctok=ictok;
+ s=last_ptr;
+
+ if (!(ret=iret=malloc(ictok*sizeof(char *)))) return NULL;
+
+ while(ictok--) {
+ *iret++=s;
+ while(*s++);
+ while(!*s) s++;
+ }
+
+ return ret;
+}
+
+/*******************************************************************
+ case insensitive string compararison
+********************************************************************/
+int StrCaseCmp(const char *s, const char *t)
+{
+ pstring buf1, buf2;
+ unix_strupper(s, strlen(s)+1, buf1, sizeof(buf1));
+ unix_strupper(t, strlen(t)+1, buf2, sizeof(buf2));
+ return strcmp(buf1,buf2);
+}
+
+/*******************************************************************
+ case insensitive string compararison, length limited
+********************************************************************/
+int StrnCaseCmp(const char *s, const char *t, size_t n)
+{
+ pstring buf1, buf2;
+ unix_strupper(s, strlen(s)+1, buf1, sizeof(buf1));
+ unix_strupper(t, strlen(t)+1, buf2, sizeof(buf2));
+ return strncmp(buf1,buf2,n);
+}
+
+/*******************************************************************
+ compare 2 strings
+********************************************************************/
+BOOL strequal(const char *s1, const char *s2)
+{
+ if (s1 == s2) return(True);
+ if (!s1 || !s2) return(False);
+
+ return(StrCaseCmp(s1,s2)==0);
+}
+
+/*******************************************************************
+ compare 2 strings up to and including the nth char.
+ ******************************************************************/
+BOOL strnequal(const char *s1,const char *s2,size_t n)
+{
+ if (s1 == s2) return(True);
+ if (!s1 || !s2 || !n) return(False);
+
+ return(StrnCaseCmp(s1,s2,n)==0);
+}
+
+/*******************************************************************
+ compare 2 strings (case sensitive)
+********************************************************************/
+BOOL strcsequal(const char *s1,const char *s2)
+{
+ if (s1 == s2) return(True);
+ if (!s1 || !s2) return(False);
+
+ return(strcmp(s1,s2)==0);
+}
+
+/***************************************************************************
+Do a case-insensitive, whitespace-ignoring string compare.
+***************************************************************************/
+int strwicmp(const char *psz1, const char *psz2)
+{
+ /* if BOTH strings are NULL, return TRUE, if ONE is NULL return */
+ /* appropriate value. */
+ if (psz1 == psz2)
+ return (0);
+ else if (psz1 == NULL)
+ return (-1);
+ else if (psz2 == NULL)
+ return (1);
+
+ /* sync the strings on first non-whitespace */
+ while (1)
+ {
+ while (isspace((int)*psz1))
+ psz1++;
+ while (isspace((int)*psz2))
+ psz2++;
+ if (toupper(*psz1) != toupper(*psz2) || *psz1 == '\0'
+ || *psz2 == '\0')
+ break;
+ psz1++;
+ psz2++;
+ }
+ return (*psz1 - *psz2);
+}
+
+
+/*******************************************************************
+ convert a string to "normal" form
+********************************************************************/
+void strnorm(char *s)
+{
+ extern int case_default;
+ if (case_default == CASE_UPPER)
+ strupper(s);
+ else
+ strlower(s);
+}
+
+/*******************************************************************
+check if a string is in "normal" case
+********************************************************************/
+BOOL strisnormal(char *s)
+{
+ extern int case_default;
+ if (case_default == CASE_UPPER)
+ return(!strhaslower(s));
+
+ return(!strhasupper(s));
+}
+
+
+/****************************************************************************
+ string replace
+ NOTE: oldc and newc must be 7 bit characters
+****************************************************************************/
+void string_replace(char *s,char oldc,char newc)
+{
+ push_ucs2(NULL, tmpbuf,s, sizeof(tmpbuf), STR_TERMINATE);
+ string_replace_w(tmpbuf, UCS2_CHAR(oldc), UCS2_CHAR(newc));
+ pull_ucs2(NULL, s, tmpbuf, -1, sizeof(tmpbuf), STR_TERMINATE);
+}
+
+
+/*******************************************************************
+skip past some strings in a buffer
+********************************************************************/
+char *skip_string(char *buf,size_t n)
+{
+ while (n--)
+ buf += strlen(buf) + 1;
+ return(buf);
+}
+
+/*******************************************************************
+ Count the number of characters in a string. Normally this will
+ be the same as the number of bytes in a string for single byte strings,
+ but will be different for multibyte.
+********************************************************************/
+size_t str_charnum(const char *s)
+{
+ push_ucs2(NULL, tmpbuf,s, sizeof(tmpbuf), STR_TERMINATE);
+ return strlen_w(tmpbuf);
+}
+
+/*******************************************************************
+trim the specified elements off the front and back of a string
+********************************************************************/
+
+BOOL trim_string(char *s,const char *front,const char *back)
+{
+ BOOL ret = False;
+ size_t front_len;
+ size_t back_len;
+ size_t len;
+
+ /* Ignore null or empty strings. */
+ if (!s || (s[0] == '\0'))
+ return False;
+
+ front_len = front? strlen(front) : 0;
+ back_len = back? strlen(back) : 0;
+
+ len = strlen(s);
+
+ if (front_len) {
+ while (len && strncmp(s, front, front_len)==0) {
+ memcpy(s, s+front_len, (len-front_len)+1);
+ len -= front_len;
+ ret=True;
+ }
+ }
+
+ if (back_len) {
+ while (strncmp(s+len-back_len,back,back_len)==0) {
+ s[len-back_len]='\0';
+ len -= back_len;
+ ret=True;
+ }
+ }
+ return ret;
+}
+
+
+/****************************************************************************
+does a string have any uppercase chars in it?
+****************************************************************************/
+BOOL strhasupper(const char *s)
+{
+ smb_ucs2_t *ptr;
+ push_ucs2(NULL, tmpbuf,s, sizeof(tmpbuf), STR_TERMINATE);
+ for(ptr=tmpbuf;*ptr;ptr++)
+ if(isupper_w(*ptr)) return True;
+ return(False);
+}
+
+/****************************************************************************
+does a string have any lowercase chars in it?
+****************************************************************************/
+BOOL strhaslower(const char *s)
+{
+ smb_ucs2_t *ptr;
+ push_ucs2(NULL, tmpbuf,s, sizeof(tmpbuf), STR_TERMINATE);
+ for(ptr=tmpbuf;*ptr;ptr++)
+ if(islower_w(*ptr)) return True;
+ return(False);
+}
+
+/****************************************************************************
+find the number of 'c' chars in a string
+****************************************************************************/
+size_t count_chars(const char *s,char c)
+{
+ smb_ucs2_t *ptr;
+ int count;
+ push_ucs2(NULL, tmpbuf,s, sizeof(tmpbuf), STR_TERMINATE);
+ for(count=0,ptr=tmpbuf;*ptr;ptr++) if(*ptr==UCS2_CHAR(c)) count++;
+ return(count);
+}
+
+/*******************************************************************
+Return True if a string consists only of one particular character.
+********************************************************************/
+
+BOOL str_is_all(const char *s,char c)
+{
+ smb_ucs2_t *ptr;
+
+ if(s == NULL) return False;
+ if(!*s) return False;
+
+ push_ucs2(NULL, tmpbuf,s, sizeof(tmpbuf), STR_TERMINATE);
+ for(ptr=tmpbuf;*ptr;ptr++) if(*ptr!=UCS2_CHAR(c)) return False;
+
+ return True;
+}
+
+/*******************************************************************
+safe string copy into a known length string. maxlength does not
+include the terminating zero.
+********************************************************************/
+
+char *safe_strcpy(char *dest,const char *src, size_t maxlength)
+{
+ size_t len;
+
+ if (!dest) {
+ DEBUG(0,("ERROR: NULL dest in safe_strcpy\n"));
+ return NULL;
+ }
+
+ if (!src) {
+ *dest = 0;
+ return dest;
+ }
+
+ len = strlen(src);
+
+ if (len > maxlength) {
+ DEBUG(0,("ERROR: string overflow by %d in safe_strcpy [%.50s]\n",
+ (int)(len-maxlength), src));
+ len = maxlength;
+ }
+
+ memmove(dest, src, len);
+ dest[len] = 0;
+ return dest;
+}
+
+/*******************************************************************
+safe string cat into a string. maxlength does not
+include the terminating zero.
+********************************************************************/
+
+char *safe_strcat(char *dest, const char *src, size_t maxlength)
+{
+ size_t src_len, dest_len;
+
+ if (!dest) {
+ DEBUG(0,("ERROR: NULL dest in safe_strcat\n"));
+ return NULL;
+ }
+
+ if (!src) {
+ return dest;
+ }
+
+ src_len = strlen(src);
+ dest_len = strlen(dest);
+
+ if (src_len + dest_len > maxlength) {
+ DEBUG(0,("ERROR: string overflow by %d in safe_strcat [%.50s]\n",
+ (int)(src_len + dest_len - maxlength), src));
+ src_len = maxlength - dest_len;
+ }
+
+ memcpy(&dest[dest_len], src, src_len);
+ dest[dest_len + src_len] = 0;
+ return dest;
+}
+
+/*******************************************************************
+ Paranoid strcpy into a buffer of given length (includes terminating
+ zero. Strips out all but 'a-Z0-9' and the character in other_safe_chars
+ and replaces with '_'. Deliberately does *NOT* check for multibyte
+ characters. Don't change it !
+********************************************************************/
+
+char *alpha_strcpy(char *dest, const char *src, const char *other_safe_chars, size_t maxlength)
+{
+ size_t len, i;
+
+ if (!dest) {
+ DEBUG(0,("ERROR: NULL dest in alpha_strcpy\n"));
+ return NULL;
+ }
+
+ if (!src) {
+ *dest = 0;
+ return dest;
+ }
+
+ len = strlen(src);
+ if (len >= maxlength)
+ len = maxlength - 1;
+
+ if (!other_safe_chars)
+ other_safe_chars = "";
+
+ for(i = 0; i < len; i++) {
+ int val = (src[i] & 0xff);
+ if(isupper(val) || islower(val) || isdigit(val) || strchr_m(other_safe_chars, val))
+ dest[i] = src[i];
+ else
+ dest[i] = '_';
+ }
+
+ dest[i] = '\0';
+
+ return dest;
+}
+
+/****************************************************************************
+ Like strncpy but always null terminates. Make sure there is room!
+ The variable n should always be one less than the available size.
+****************************************************************************/
+
+char *StrnCpy(char *dest,const char *src,size_t n)
+{
+ char *d = dest;
+ if (!dest) return(NULL);
+ if (!src) {
+ *dest = 0;
+ return(dest);
+ }
+ while (n-- && (*d++ = *src++)) ;
+ *d = 0;
+ return(dest);
+}
+
+/****************************************************************************
+like strncpy but copies up to the character marker. always null terminates.
+returns a pointer to the character marker in the source string (src).
+****************************************************************************/
+char *strncpyn(char *dest, const char *src,size_t n, char c)
+{
+ char *p;
+ size_t str_len;
+
+ p = strchr_m(src, c);
+ if (p == NULL)
+ {
+ DEBUG(5, ("strncpyn: separator character (%c) not found\n", c));
+ return NULL;
+ }
+
+ str_len = PTR_DIFF(p, src);
+ strncpy(dest, src, MIN(n, str_len));
+ dest[str_len] = '\0';
+
+ return p;
+}
+
+
+/*************************************************************
+ Routine to get hex characters and turn them into a 16 byte array.
+ the array can be variable length, and any non-hex-numeric
+ characters are skipped. "0xnn" or "0Xnn" is specially catered
+ for.
+
+ valid examples: "0A5D15"; "0x15, 0x49, 0xa2"; "59\ta9\te3\n"
+
+**************************************************************/
+size_t strhex_to_str(char *p, size_t len, const char *strhex)
+{
+ size_t i;
+ size_t num_chars = 0;
+ unsigned char lonybble, hinybble;
+ char *hexchars = "0123456789ABCDEF";
+ char *p1 = NULL, *p2 = NULL;
+
+ for (i = 0; i < len && strhex[i] != 0; i++)
+ {
+ if (strnequal(hexchars, "0x", 2))
+ {
+ i++; /* skip two chars */
+ continue;
+ }
+
+ if (!(p1 = strchr_m(hexchars, toupper(strhex[i]))))
+ {
+ break;
+ }
+
+ i++; /* next hex digit */
+
+ if (!(p2 = strchr_m(hexchars, toupper(strhex[i]))))
+ {
+ break;
+ }
+
+ /* get the two nybbles */
+ hinybble = PTR_DIFF(p1, hexchars);
+ lonybble = PTR_DIFF(p2, hexchars);
+
+ p[num_chars] = (hinybble << 4) | lonybble;
+ num_chars++;
+
+ p1 = NULL;
+ p2 = NULL;
+ }
+ return num_chars;
+}
+
+/****************************************************************************
+check if a string is part of a list
+****************************************************************************/
+BOOL in_list(char *s,char *list,BOOL casesensitive)
+{
+ pstring tok;
+ char *p=list;
+
+ if (!list) return(False);
+
+ while (next_token(&p,tok,LIST_SEP,sizeof(tok))) {
+ if (casesensitive) {
+ if (strcmp(tok,s) == 0)
+ return(True);
+ } else {
+ if (StrCaseCmp(tok,s) == 0)
+ return(True);
+ }
+ }
+ return(False);
+}
+
+/* this is used to prevent lots of mallocs of size 1 */
+static char *null_string = NULL;
+
+/****************************************************************************
+set a string value, allocing the space for the string
+****************************************************************************/
+static BOOL string_init(char **dest,const char *src)
+{
+ size_t l;
+ if (!src)
+ src = "";
+
+ l = strlen(src);
+
+ if (l == 0)
+ {
+ if (!null_string) {
+ if((null_string = (char *)malloc(1)) == NULL) {
+ DEBUG(0,("string_init: malloc fail for null_string.\n"));
+ return False;
+ }
+ *null_string = 0;
+ }
+ *dest = null_string;
+ }
+ else
+ {
+ (*dest) = (char *)malloc(l+1);
+ if ((*dest) == NULL) {
+ DEBUG(0,("Out of memory in string_init\n"));
+ return False;
+ }
+
+ pstrcpy(*dest,src);
+ }
+ return(True);
+}
+
+/****************************************************************************
+free a string value
+****************************************************************************/
+void string_free(char **s)
+{
+ if (!s || !(*s)) return;
+ if (*s == null_string)
+ *s = NULL;
+ SAFE_FREE(*s);
+}
+
+/****************************************************************************
+set a string value, allocing the space for the string, and deallocating any
+existing space
+****************************************************************************/
+BOOL string_set(char **dest,const char *src)
+{
+ string_free(dest);
+
+ return(string_init(dest,src));
+}
+
+
+/****************************************************************************
+substitute a string for a pattern in another string. Make sure there is
+enough room!
+
+This routine looks for pattern in s and replaces it with
+insert. It may do multiple replacements.
+
+any of " ; ' $ or ` in the insert string are replaced with _
+if len==0 then no length check is performed
+****************************************************************************/
+void string_sub(char *s,const char *pattern,const char *insert, size_t len)
+{
+ char *p;
+ ssize_t ls,lp,li, i;
+
+ if (!insert || !pattern || !s) return;
+
+ ls = (ssize_t)strlen(s);
+ lp = (ssize_t)strlen(pattern);
+ li = (ssize_t)strlen(insert);
+
+ if (!*pattern) return;
+
+ while (lp <= ls && (p = strstr(s,pattern))) {
+ if (len && (ls + (li-lp) >= len)) {
+ DEBUG(0,("ERROR: string overflow by %d in string_sub(%.50s, %d)\n",
+ (int)(ls + (li-lp) - len),
+ pattern, (int)len));
+ break;
+ }
+ if (li != lp) {
+ memmove(p+li,p+lp,strlen(p+lp)+1);
+ }
+ for (i=0;i<li;i++) {
+ switch (insert[i]) {
+ case '`':
+ case '"':
+ case '\'':
+ case ';':
+ case '$':
+ case '%':
+ case '\r':
+ case '\n':
+ p[i] = '_';
+ break;
+ default:
+ p[i] = insert[i];
+ }
+ }
+ s = p + li;
+ ls += (li-lp);
+ }
+}
+
+void fstring_sub(char *s,const char *pattern,const char *insert)
+{
+ string_sub(s, pattern, insert, sizeof(fstring));
+}
+
+void pstring_sub(char *s,const char *pattern,const char *insert)
+{
+ string_sub(s, pattern, insert, sizeof(pstring));
+}
+
+/****************************************************************************
+similar to string_sub() but allows for any character to be substituted.
+Use with caution!
+if len==0 then no length check is performed
+****************************************************************************/
+void all_string_sub(char *s,const char *pattern,const char *insert, size_t len)
+{
+ char *p;
+ ssize_t ls,lp,li;
+
+ if (!insert || !pattern || !s) return;
+
+ ls = (ssize_t)strlen(s);
+ lp = (ssize_t)strlen(pattern);
+ li = (ssize_t)strlen(insert);
+
+ if (!*pattern) return;
+
+ while (lp <= ls && (p = strstr(s,pattern))) {
+ if (len && (ls + (li-lp) >= len)) {
+ DEBUG(0,("ERROR: string overflow by %d in all_string_sub(%.50s, %d)\n",
+ (int)(ls + (li-lp) - len),
+ pattern, (int)len));
+ break;
+ }
+ if (li != lp) {
+ memmove(p+li,p+lp,strlen(p+lp)+1);
+ }
+ memcpy(p, insert, li);
+ s = p + li;
+ ls += (li-lp);
+ }
+}
+
+/****************************************************************************
+similar to all_string_sub but for unicode strings.
+return a new allocate unicode string.
+len is the number of bytes, not chars
+ similar to string_sub() but allows for any character to be substituted.
+ Use with caution!
+ if len==0 then no length check is performed
+****************************************************************************/
+
+smb_ucs2_t *all_string_sub_w(smb_ucs2_t *s, const smb_ucs2_t *pattern,
+ const smb_ucs2_t *insert)
+{
+ smb_ucs2_t *r, *rp, *sp;
+ size_t lr, lp, li, lt;
+
+ if (!insert || !pattern || !*pattern || !s) return NULL;
+
+ lt = (size_t)strlen_w(s);
+ lp = (size_t)strlen_w(pattern);
+ li = (size_t)strlen_w(insert);
+
+ if (li > lp) {
+ smb_ucs2_t *st = s;
+ int ld = li - lp;
+ while ((sp = strstr_w(st, pattern))) {
+ st = sp + lp;
+ lt += ld;
+ }
+ }
+
+ r = rp = (smb_ucs2_t *)malloc((lt + 1)*(sizeof(smb_ucs2_t)));
+ if (!r) {
+ DEBUG(0, ("all_string_sub_w: out of memory!\n"));
+ return NULL;
+ }
+
+ while ((sp = strstr_w(s, pattern))) {
+ memcpy(rp, s, (sp - s));
+ rp += ((sp - s) / sizeof(smb_ucs2_t));
+ memcpy(rp, insert, (li * sizeof(smb_ucs2_t)));
+ s = sp + lp;
+ rp += li;
+ }
+ lr = ((rp - r) / sizeof(smb_ucs2_t));
+ if (lr < lt) {
+ memcpy(rp, s, ((lt - lr) * sizeof(smb_ucs2_t)));
+ rp += (lt - lr);
+ }
+ *rp = 0;
+
+ return r;
+}
+
+smb_ucs2_t *all_string_sub_wa(smb_ucs2_t *s, const char *pattern,
+ const char *insert)
+{
+ wpstring p, i;
+
+ if (!insert || !pattern || !s) return NULL;
+ push_ucs2(NULL, p, pattern, sizeof(wpstring) - 1, STR_TERMINATE);
+ push_ucs2(NULL, i, insert, sizeof(wpstring) - 1, STR_TERMINATE);
+ return all_string_sub_w(s, p, i);
+}
+
+/****************************************************************************
+ splits out the front and back at a separator.
+****************************************************************************/
+void split_at_last_component(char *path, char *front, char sep, char *back)
+{
+ char *p = strrchr_m(path, sep);
+
+ if (p != NULL)
+ {
+ *p = 0;
+ }
+ if (front != NULL)
+ {
+ pstrcpy(front, path);
+ }
+ if (p != NULL)
+ {
+ if (back != NULL)
+ {
+ pstrcpy(back, p+1);
+ }
+ *p = '\\';
+ }
+ else
+ {
+ if (back != NULL)
+ {
+ back[0] = 0;
+ }
+ }
+}
+
+
+/****************************************************************************
+write an octal as a string
+****************************************************************************/
+char *octal_string(int i)
+{
+ static char ret[64];
+ if (i == -1) {
+ return "-1";
+ }
+ slprintf(ret, sizeof(ret)-1, "0%o", i);
+ return ret;
+}
+
+
+/****************************************************************************
+truncate a string at a specified length
+****************************************************************************/
+char *string_truncate(char *s, int length)
+{
+ if (s && strlen(s) > length) {
+ s[length] = 0;
+ }
+ return s;
+}
+
+
+/****************************************************************************
+strchr and strrchr_m are very hard to do on general multi-byte strings.
+we convert via ucs2 for now
+****************************************************************************/
+char *strchr_m(const char *s, char c)
+{
+ wpstring ws;
+ pstring s2;
+ smb_ucs2_t *p;
+
+ push_ucs2(NULL, ws, s, sizeof(ws), STR_TERMINATE);
+ p = strchr_w(ws, UCS2_CHAR(c));
+ if (!p) return NULL;
+ *p = 0;
+ pull_ucs2_pstring(s2, ws);
+ return (char *)(s+strlen(s2));
+}
+
+char *strrchr_m(const char *s, char c)
+{
+ wpstring ws;
+ pstring s2;
+ smb_ucs2_t *p;
+
+ push_ucs2(NULL, ws, s, sizeof(ws), STR_TERMINATE);
+ p = strrchr_w(ws, UCS2_CHAR(c));
+ if (!p) return NULL;
+ *p = 0;
+ pull_ucs2_pstring(s2, ws);
+ return (char *)(s+strlen(s2));
+}
+
+/*******************************************************************
+ convert a string to lower case
+********************************************************************/
+void strlower_m(char *s)
+{
+ /* I assume that lowercased string takes the same number of bytes
+ * as source string even in UTF-8 encoding. (VIV) */
+ unix_strlower(s,strlen(s)+1,s,strlen(s)+1);
+}
+
+/*******************************************************************
+ convert a string to upper case
+********************************************************************/
+void strupper_m(char *s)
+{
+ /* I assume that lowercased string takes the same number of bytes
+ * as source string even in multibyte encoding. (VIV) */
+ unix_strupper(s,strlen(s)+1,s,strlen(s)+1);
+}
+
+/*
+ return a RFC2254 binary string representation of a buffer
+ used in LDAP filters
+ caller must free
+*/
+char *binary_string(char *buf, int len)
+{
+ char *s;
+ int i, j;
+ const char *hex = "0123456789ABCDEF";
+ s = malloc(len * 3 + 1);
+ if (!s) return NULL;
+ for (j=i=0;i<len;i++) {
+ s[j] = '\\';
+ s[j+1] = hex[((unsigned char)buf[i]) >> 4];
+ s[j+2] = hex[((unsigned char)buf[i]) & 0xF];
+ j += 3;
+ }
+ s[j] = 0;
+ return s;
+}
+
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