/*
Unix SMB/Netbios implementation.
- Version 1.9.
+ Version 3.0
Samba utility functions
- Copyright (C) Andrew Tridgell 1992-1998
+ 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
extern int DEBUGLEVEL;
-static char *last_ptr=NULL;
-
-void set_first_token(char *ptr)
-{
- last_ptr = ptr;
-}
-
/****************************************************************************
Get the next token from a string, return False if none found
handles double-quotes.
****************************************************************************/
BOOL next_token(char **ptr,char *buff,char *sep, size_t bufsize)
{
- char *s;
- BOOL quoted;
- size_t len=1;
+ char *s;
+ BOOL quoted;
+ size_t len=1;
- if (!ptr) ptr = &last_ptr;
- if (!ptr) return(False);
+ if (!ptr) return(False);
- s = *ptr;
+ s = *ptr;
- /* default to simple separators */
- if (!sep) sep = " \t\n\r";
+ /* default to simple separators */
+ if (!sep) sep = " \t\n\r";
- /* find the first non sep char */
- while(*s && strchr(sep,*s)) s++;
+ /* find the first non sep char */
+ while (*s && strchr(sep,*s)) s++;
+
+ /* nothing left? */
+ if (! *s) return(False);
+
+ /* copy over the token */
+ for (quoted = False; len < bufsize && *s && (quoted || !strchr(sep,*s)); s++) {
+ if (*s == '\"') {
+ quoted = !quoted;
+ } else {
+ len++;
+ *buff++ = *s;
+ }
+ }
+
+ *ptr = (*s) ? s+1 : s;
+ *buff = 0;
+
+ return(True);
+}
- /* nothing left? */
- if (! *s) return(False);
- /* copy over the token */
- for (quoted = False; len < bufsize && *s && (quoted || !strchr(sep,*s)); s++)
- {
- if (*s == '\"') {
- quoted = !quoted;
- } else {
- len++;
- *buff++ = *s;
- }
- }
- *ptr = (*s) ? s+1 : s;
- *buff = 0;
- last_ptr = *ptr;
+/****************************************************************************
+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;
- return(True);
+ 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";
+ char *s=last_ptr;
+ int ictok=0;
+ char **ret, **iret;
- while(*s && strchr(sep,*s)) s++;
+ if (!sep) sep = " \t\n\r";
- /* nothing left? */
- if (!*s) return(NULL);
+ while(*s && strchr(sep,*s)) s++;
- do {
- ictok++;
- while(*s && (!strchr(sep,*s))) s++;
- while(*s && strchr(sep,*s)) *s++=0;
- } while(*s);
+ /* nothing left? */
+ if (!*s) return(NULL);
- *ctok=ictok;
- s=last_ptr;
-
- if (!(ret=iret=malloc(ictok*sizeof(char *)))) return NULL;
-
- while(ictok--) {
- *iret++=s;
- while(*s++);
- while(!*s) s++;
- }
+ do {
+ ictok++;
+ while(*s && (!strchr(sep,*s))) s++;
+ while(*s && strchr(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;
+ return ret;
}
-
/*******************************************************************
case insensitive string compararison
********************************************************************/
int StrCaseCmp(const char *s, const char *t)
{
- /* compare until we run out of string, either t or s, or find a difference */
- /* We *must* use toupper rather than tolower here due to the
- asynchronous upper to lower mapping.
- */
-#if !defined(KANJI_WIN95_COMPATIBILITY)
- /*
- * For completeness we should put in equivalent code for code pages
- * 949 (Korean hangul) and 950 (Big5 Traditional Chinese) here - but
- * doubt anyone wants Samba to behave differently from Win95 and WinNT
- * here. They both treat full width ascii characters as case senstive
- * filenames (ie. they don't do the work we do here).
- * JRA.
- */
-
- if(lp_client_code_page() == KANJI_CODEPAGE)
- {
- /* Win95 treats full width ascii characters as case sensitive. */
- int diff;
- for (;;)
- {
- if (!*s || !*t)
- return toupper (*s) - toupper (*t);
- else if (is_sj_alph (*s) && is_sj_alph (*t))
- {
- diff = sj_toupper2 (*(s+1)) - sj_toupper2 (*(t+1));
- if (diff)
- return diff;
- s += 2;
- t += 2;
- }
- else if (is_shift_jis (*s) && is_shift_jis (*t))
- {
- diff = ((int) (unsigned char) *s) - ((int) (unsigned char) *t);
- if (diff)
- return diff;
- diff = ((int) (unsigned char) *(s+1)) - ((int) (unsigned char) *(t+1));
- if (diff)
- return diff;
- s += 2;
- t += 2;
- }
- else if (is_shift_jis (*s))
- return 1;
- else if (is_shift_jis (*t))
- return -1;
- else
- {
- diff = toupper (*s) - toupper (*t);
- if (diff)
- return diff;
- s++;
- t++;
- }
- }
- }
- else
-#endif /* KANJI_WIN95_COMPATIBILITY */
- {
- while (*s && *t && toupper(*s) == toupper(*t))
- {
- s++;
- t++;
- }
-
- return(toupper(*s) - toupper(*t));
- }
+ pstring buf1, buf2;
+ unix_strlower(s, strlen(s)+1, buf1, sizeof(buf1));
+ unix_strlower(t, strlen(t)+1, buf2, sizeof(buf2));
+ return strcmp(buf1,buf2);
}
/*******************************************************************
********************************************************************/
int StrnCaseCmp(const char *s, const char *t, size_t n)
{
- /* compare until we run out of string, either t or s, or chars */
- /* We *must* use toupper rather than tolower here due to the
- asynchronous upper to lower mapping.
- */
-#if !defined(KANJI_WIN95_COMPATIBILITY)
- /*
- * For completeness we should put in equivalent code for code pages
- * 949 (Korean hangul) and 950 (Big5 Traditional Chinese) here - but
- * doubt anyone wants Samba to behave differently from Win95 and WinNT
- * here. They both treat full width ascii characters as case senstive
- * filenames (ie. they don't do the work we do here).
- * JRA.
- */
-
- if(lp_client_code_page() == KANJI_CODEPAGE)
- {
- /* Win95 treats full width ascii characters as case sensitive. */
- int diff;
- for (;n > 0;)
- {
- if (!*s || !*t)
- return toupper (*s) - toupper (*t);
- else if (is_sj_alph (*s) && is_sj_alph (*t))
- {
- diff = sj_toupper2 (*(s+1)) - sj_toupper2 (*(t+1));
- if (diff)
- return diff;
- s += 2;
- t += 2;
- n -= 2;
- }
- else if (is_shift_jis (*s) && is_shift_jis (*t))
- {
- diff = ((int) (unsigned char) *s) - ((int) (unsigned char) *t);
- if (diff)
- return diff;
- diff = ((int) (unsigned char) *(s+1)) - ((int) (unsigned char) *(t+1));
- if (diff)
- return diff;
- s += 2;
- t += 2;
- n -= 2;
- }
- else if (is_shift_jis (*s))
- return 1;
- else if (is_shift_jis (*t))
- return -1;
- else
- {
- diff = toupper (*s) - toupper (*t);
- if (diff)
- return diff;
- s++;
- t++;
- n--;
- }
- }
- return 0;
- }
- else
-#endif /* KANJI_WIN95_COMPATIBILITY */
- {
- while (n && *s && *t && toupper(*s) == toupper(*t))
- {
- s++;
- t++;
- n--;
- }
-
- /* not run out of chars - strings are different lengths */
- if (n)
- return(toupper(*s) - toupper(*t));
-
- /* identical up to where we run out of chars,
- and strings are same length */
- return(0);
- }
+ pstring buf1, buf2;
+ unix_strlower(s, strlen(s)+1, buf1, sizeof(buf1));
+ unix_strlower(t, strlen(t)+1, buf2, sizeof(buf2));
+ return strncmp(buf1,buf2,n);
}
/*******************************************************************
return(strcmp(s1,s2)==0);
}
-
-/*******************************************************************
- convert a string to lower case
-********************************************************************/
-void strlower(char *s)
+/***************************************************************************
+Do a case-insensitive, whitespace-ignoring string compare.
+***************************************************************************/
+int strwicmp(char *psz1, char *psz2)
{
- while (*s)
- {
-#if !defined(KANJI_WIN95_COMPATIBILITY)
- /*
- * For completeness we should put in equivalent code for code pages
- * 949 (Korean hangul) and 950 (Big5 Traditional Chinese) here - but
- * doubt anyone wants Samba to behave differently from Win95 and WinNT
- * here. They both treat full width ascii characters as case senstive
- * filenames (ie. they don't do the work we do here).
- * JRA.
- */
-
- if(lp_client_code_page() == KANJI_CODEPAGE)
- {
- /* Win95 treats full width ascii characters as case sensitive. */
- if (is_shift_jis (*s))
- {
- if (is_sj_upper (s[0], s[1]))
- s[1] = sj_tolower2 (s[1]);
- s += 2;
- }
- else if (is_kana (*s))
- {
- s++;
- }
- else
- {
- if (isupper(*s))
- *s = tolower(*s);
- s++;
- }
- }
- else
-#endif /* KANJI_WIN95_COMPATIBILITY */
- {
- size_t skip = skip_multibyte_char( *s );
- if( skip != 0 )
- s += skip;
- else
- {
- if (isupper(*s))
- *s = tolower(*s);
- s++;
- }
- }
- }
-}
+ /* 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);
-/*******************************************************************
- convert a string to upper case
-********************************************************************/
-void strupper(char *s)
-{
- while (*s)
- {
-#if !defined(KANJI_WIN95_COMPATIBILITY)
- /*
- * For completeness we should put in equivalent code for code pages
- * 949 (Korean hangul) and 950 (Big5 Traditional Chinese) here - but
- * doubt anyone wants Samba to behave differently from Win95 and WinNT
- * here. They both treat full width ascii characters as case senstive
- * filenames (ie. they don't do the work we do here).
- * JRA.
- */
-
- if(lp_client_code_page() == KANJI_CODEPAGE)
- {
- /* Win95 treats full width ascii characters as case sensitive. */
- if (is_shift_jis (*s))
- {
- if (is_sj_lower (s[0], s[1]))
- s[1] = sj_toupper2 (s[1]);
- s += 2;
- }
- else if (is_kana (*s))
- {
- s++;
- }
- else
- {
- if (islower(*s))
- *s = toupper(*s);
- s++;
- }
- }
- else
-#endif /* KANJI_WIN95_COMPATIBILITY */
- {
- size_t skip = skip_multibyte_char( *s );
- if( skip != 0 )
- s += skip;
- else
- {
- if (islower(*s))
- *s = toupper(*s);
- s++;
- }
- }
- }
+ /* sync the strings on first non-whitespace */
+ while (1)
+ {
+ while (isspace(*psz1))
+ psz1++;
+ while (isspace(*psz2))
+ psz2++;
+ if (toupper(*psz1) != toupper(*psz2) || *psz1 == '\0'
+ || *psz2 == '\0')
+ break;
+ psz1++;
+ psz2++;
+ }
+ return (*psz1 - *psz2);
}
+
/*******************************************************************
convert a string to "normal" form
********************************************************************/
********************************************************************/
BOOL strisnormal(char *s)
{
- extern int case_default;
- if (case_default == CASE_UPPER)
- return(!strhaslower(s));
-
- return(!strhasupper(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)
{
- size_t skip;
- while (*s)
- {
- skip = skip_multibyte_char( *s );
- if( skip != 0 )
- s += skip;
- else
- {
- if (oldc == *s)
- *s = newc;
- s++;
- }
- }
+ smb_ucs2_t *ptr;
+ push_ucs2(NULL, tmpbuf,s, sizeof(tmpbuf), STR_TERMINATE);
+ for(ptr=tmpbuf;*ptr;ptr++) {
+ if(*ptr==UCS2_CHAR(oldc)) *ptr = UCS2_CHAR(newc);
+ }
+ pull_ucs2(NULL, s, tmpbuf, -1, sizeof(tmpbuf), STR_TERMINATE);
}
********************************************************************/
char *skip_string(char *buf,size_t n)
{
- while (n--)
- buf += strlen(buf) + 1;
- return(buf);
+ 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.
- 16.oct.98, jdblair@cobaltnet.com.
********************************************************************/
-
size_t str_charnum(const char *s)
{
- size_t len = 0;
-
- while (*s != '\0') {
- int skip = skip_multibyte_char(*s);
- s += (skip ? skip : 1);
- len++;
- }
- return len;
+ push_ucs2(NULL, tmpbuf,s, sizeof(tmpbuf), STR_TERMINATE);
+ return strlen_w(tmpbuf);
}
/*******************************************************************
BOOL trim_string(char *s,const char *front,const char *back)
{
- BOOL ret = False;
- size_t front_len = (front && *front) ? strlen(front) : 0;
- size_t back_len = (back && *back) ? strlen(back) : 0;
- size_t s_len;
-
- while (front_len && strncmp(s, front, front_len) == 0)
- {
- char *p = s;
- ret = True;
- while (1)
- {
- if (!(*p = p[front_len]))
- break;
- p++;
- }
- }
+ BOOL ret = False;
+ size_t front_len;
+ size_t back_len;
+ size_t len;
- /*
- * We split out the multibyte code page
- * case here for speed purposes. Under a
- * multibyte code page we need to walk the
- * string forwards only and multiple times.
- * Thanks to John Blair for finding this
- * one. JRA.
- */
-
- if(back_len)
- {
- if(!is_multibyte_codepage())
- {
- s_len = strlen(s);
- while ((s_len >= back_len) &&
- (strncmp(s + s_len - back_len, back, back_len)==0))
- {
- ret = True;
- s[s_len - back_len] = '\0';
- s_len = strlen(s);
- }
- }
- else
- {
+ /* Ignore null or empty strings. */
+ if (!s || (s[0] == '\0'))
+ return False;
- /*
- * Multibyte code page case.
- * Keep going through the string, trying
- * to match the 'back' string with the end
- * of the string. If we get a match, truncate
- * 'back' off the end of the string and
- * go through the string again from the
- * start. Keep doing this until we have
- * gone through the string with no match
- * at the string end.
- */
-
- size_t mb_back_len = str_charnum(back);
- size_t mb_s_len = str_charnum(s);
-
- while(mb_s_len >= mb_back_len)
- {
- size_t charcount = 0;
- char *mbp = s;
-
- while(charcount < (mb_s_len - mb_back_len))
- {
- size_t skip = skip_multibyte_char(*mbp);
- mbp += (skip ? skip : 1);
- charcount++;
- }
+ front_len = front? strlen(front) : 0;
+ back_len = back? strlen(back) : 0;
- /*
- * mbp now points at mb_back_len multibyte
- * characters from the end of s.
- */
-
- if(strcmp(mbp, back) == 0)
- {
- ret = True;
- *mbp = '\0';
- mb_s_len = str_charnum(s);
- mbp = s;
- }
- else
- break;
- } /* end while mb_s_len... */
- } /* end else .. */
- } /* end if back_len .. */
+ len = strlen(s);
- return(ret);
+ 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;
}
****************************************************************************/
BOOL strhasupper(const char *s)
{
- while (*s)
- {
-#if !defined(KANJI_WIN95_COMPATIBILITY)
- /*
- * For completeness we should put in equivalent code for code pages
- * 949 (Korean hangul) and 950 (Big5 Traditional Chinese) here - but
- * doubt anyone wants Samba to behave differently from Win95 and WinNT
- * here. They both treat full width ascii characters as case senstive
- * filenames (ie. they don't do the work we do here).
- * JRA.
- */
-
- if(lp_client_code_page() == KANJI_CODEPAGE)
- {
- /* Win95 treats full width ascii characters as case sensitive. */
- if (is_shift_jis (*s))
- s += 2;
- else if (is_kana (*s))
- s++;
- else
- {
- if (isupper(*s))
- return(True);
- s++;
- }
- }
- else
-#endif /* KANJI_WIN95_COMPATIBILITY */
- {
- size_t skip = skip_multibyte_char( *s );
- if( skip != 0 )
- s += skip;
- else {
- if (isupper(*s))
- return(True);
- s++;
- }
- }
- }
- return(False);
+ 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);
}
/****************************************************************************
****************************************************************************/
BOOL strhaslower(const char *s)
{
- while (*s)
- {
-#if !defined(KANJI_WIN95_COMPATIBILITY)
- /*
- * For completeness we should put in equivalent code for code pages
- * 949 (Korean hangul) and 950 (Big5 Traditional Chinese) here - but
- * doubt anyone wants Samba to behave differently from Win95 and WinNT
- * here. They both treat full width ascii characters as case senstive
- * filenames (ie. they don't do the work we do here).
- * JRA.
- */
-
- if(lp_client_code_page() == KANJI_CODEPAGE)
- {
- /* Win95 treats full width ascii characters as case sensitive. */
- if (is_shift_jis (*s))
- {
- if (is_sj_upper (s[0], s[1]))
- return(True);
- if (is_sj_lower (s[0], s[1]))
- return (True);
- s += 2;
- }
- else if (is_kana (*s))
- {
- s++;
- }
- else
- {
- if (islower(*s))
- return(True);
- s++;
- }
- }
- else
-#endif /* KANJI_WIN95_COMPATIBILITY */
- {
- size_t skip = skip_multibyte_char( *s );
- if( skip != 0 )
- s += skip;
- else {
- if (islower(*s))
- return(True);
- s++;
- }
- }
- }
- return(False);
+ 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 chars in a string
+find the number of 'c' chars in a string
****************************************************************************/
size_t count_chars(const char *s,char c)
{
- size_t count=0;
-
-#if !defined(KANJI_WIN95_COMPATIBILITY)
- /*
- * For completeness we should put in equivalent code for code pages
- * 949 (Korean hangul) and 950 (Big5 Traditional Chinese) here - but
- * doubt anyone wants Samba to behave differently from Win95 and WinNT
- * here. They both treat full width ascii characters as case senstive
- * filenames (ie. they don't do the work we do here).
- * JRA.
- */
-
- if(lp_client_code_page() == KANJI_CODEPAGE)
- {
- /* Win95 treats full width ascii characters as case sensitive. */
- while (*s)
- {
- if (is_shift_jis (*s))
- s += 2;
- else
- {
- if (*s == c)
- count++;
- s++;
- }
- }
- }
- else
-#endif /* KANJI_WIN95_COMPATIBILITY */
- {
- while (*s)
- {
- size_t skip = skip_multibyte_char( *s );
- if( skip != 0 )
- s += skip;
- else {
- if (*s == c)
- count++;
- s++;
- }
- }
- }
- return(count);
+ 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;
+ size_t len;
- if (!dest) {
- DEBUG(0,("ERROR: NULL dest in safe_strcpy\n"));
- return NULL;
- }
+ if (!dest) {
+ DEBUG(0,("ERROR: NULL dest in safe_strcpy\n"));
+ return NULL;
+ }
- if (!src) {
- *dest = 0;
- return dest;
- }
+ if (!src) {
+ *dest = 0;
+ return dest;
+ }
- len = strlen(src);
+ len = strlen(src);
- if (len > maxlength) {
- DEBUG(0,("ERROR: string overflow by %d in safe_strcpy [%.50s]\n",
- len-maxlength, src));
- len = maxlength;
- }
+ if (len > maxlength) {
+ DEBUG(0,("ERROR: string overflow by %d in safe_strcpy [%.50s]\n",
+ (int)(len-maxlength), src));
+ len = maxlength;
+ }
- memcpy(dest, src, len);
- dest[len] = 0;
- return dest;
+ 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;
+ 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 (!dest) {
+ DEBUG(0,("ERROR: NULL dest in safe_strcat\n"));
+ return NULL;
+ }
- if (src_len + dest_len > maxlength) {
- DEBUG(0,("ERROR: string overflow by %d in safe_strcat [%.50s]\n",
- 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;
+ 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;
}
-/****************************************************************************
-this is a safer strcpy(), meant to prevent core dumps when nasty things happen
-****************************************************************************/
-char *StrCpy(char *dest,const char *src)
+/*******************************************************************
+ 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)
{
- char *d = dest;
+ size_t len, i;
- /* I don't want to get lazy with these ... */
- SMB_ASSERT(dest && src);
+ if (!dest) {
+ DEBUG(0,("ERROR: NULL dest in alpha_strcpy\n"));
+ return NULL;
+ }
- if (!dest) return(NULL);
- if (!src) {
- *dest = 0;
- return(dest);
- }
- while ((*d++ = *src++)) ;
- return(dest);
+ 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(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!
+ 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);
+ 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).
continue;
}
- while (!(p1 = strchr(hexchars, toupper(strhex[i]))))
+ if (!(p1 = strchr(hexchars, toupper(strhex[i]))))
{
- continue;
+ break;
}
i++; /* next hex digit */
- while (!(p2 = strchr(hexchars, toupper(strhex[i]))))
+ if (!(p2 = strchr(hexchars, toupper(strhex[i]))))
{
- continue;
+ break;
}
/* get the two nybbles */
/****************************************************************************
set a string value, allocing the space for the string
****************************************************************************/
-BOOL string_init(char **dest,const char *src)
+static BOOL string_init(char **dest,const char *src)
{
size_t l;
if (!src)
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 _
+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)
+void string_sub(char *s,const char *pattern,const char *insert, size_t len)
{
char *p;
- size_t ls,lp,li, i;
+ ssize_t ls,lp,li, i;
if (!insert || !pattern || !s) return;
- ls = strlen(s);
- lp = strlen(pattern);
- li = strlen(insert);
+ 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))) {
- memmove(p+li,p+lp,ls + 1 - (PTR_DIFF(p,s) + lp));
+ 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:
}
}
+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)
+void all_string_sub(char *s,const char *pattern,const char *insert, size_t len)
{
char *p;
- size_t ls,lp,li;
+ ssize_t ls,lp,li;
if (!insert || !pattern || !s) return;
- ls = strlen(s);
- lp = strlen(pattern);
- li = strlen(insert);
+ 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))) {
- memmove(p+li,p+lp,ls + 1 - (PTR_DIFF(p,s) + lp));
+ 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);
}
}
-/****************************************************************************
-convert a bit field to a string. if you want multiple bits to be detected
-set them first, e.g SV_TYPE_ALL to be "All" or "Full Control" for ACB_INFOs.
-
-strings are expected to contain their own separators, although the code
-below only assumes that separators are spaces.
+/****************************************************************************
+write an octal as a string
****************************************************************************/
-char *bit_field_to_str(uint32 type, struct field_info *bs)
+char *octal_string(int i)
{
- static fstring typestr;
- int i = 0;
-
- typestr[0] = 0;
-
- if (type == 0 || bs == NULL)
- {
- return NULL;
+ static char ret[64];
+ if (i == -1) {
+ return "-1";
}
+ slprintf(ret, sizeof(ret)-1, "0%o", i);
+ return ret;
+}
- while (bs[i].str != NULL && type != 0)
- {
- if (IS_BITS_SET_ALL(bs[i].bits, type))
- {
- fstrcat(typestr, bs[i].str);
- type &= ~bs[i].bits;
- }
- i++;
- }
-
- i = strlen(typestr)-1;
- if (i > 0 && typestr[i] == ' ')
- {
- typestr[i] = 0;
- }
- return typestr;
+/****************************************************************************
+truncate a string at a specified length
+****************************************************************************/
+char *string_truncate(char *s, int length)
+{
+ if (s && strlen(s) > length) {
+ s[length] = 0;
+ }
+ return s;
}
+
/****************************************************************************
-convert an enumeration to a string. first item is the default.
+strchr and strrchr are very hard to do on general multi-byte strings.
+we convert via ucs2 for now
****************************************************************************/
-char *enum_field_to_str(uint32 type, struct field_info *bs, BOOL first_default)
+char *strchr_m(const char *s, char c)
{
- int i = 0;
+ wpstring ws;
+ pstring s2;
+ smb_ucs2_t *p;
- if (bs == NULL)
- {
- return NULL;
- }
+ push_ucs2(NULL, ws, s, sizeof(ws), STR_TERMINATE);
+ p = strchr_wa(ws, c);
+ if (!p) return NULL;
+ *p = 0;
+ pull_ucs2_pstring(s2, ws);
+ return (char *)(s+strlen(s2));
+}
- while (bs[i].str != NULL && type != 0)
- {
- if (bs[i].bits == type)
- {
- return bs[i].str;
- }
- i++;
- }
+char *strrchr_m(const char *s, char c)
+{
+ wpstring ws;
+ pstring s2;
+ smb_ucs2_t *p;
- /* oops - none found */
+ push_ucs2(NULL, ws, s, sizeof(ws), STR_TERMINATE);
+ p = strrchr_wa(ws, c);
+ if (!p) return NULL;
+ *p = 0;
+ pull_ucs2_pstring(s2, ws);
+ return (char *)(s+strlen(s2));
+}
- if (first_default)
- {
- return bs[0].str;
- }
+/*******************************************************************
+ 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);
+}
- return NULL;
+/*******************************************************************
+ 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);
}
+
git.samba.org / samba.git / blobdiff