#include "includes.h"
-/**
- * @file
- * @brief String utilities.
- **/
-
-/**
- * Internal function to get the next token from a string, return false if none
- * found. Handles double-quotes. This is the work horse function called by
- * next_token() and next_token_no_ltrim().
- *
- * Based on a routine by GJC@VILLAGE.COM.
- * Extensively modified by Andrew.Tridgell@anu.edu.au
- */
-static bool next_token_internal(const char **ptr,
- char *buff,
- const char *sep,
- size_t bufsize,
- bool ltrim)
-{
- char *s;
- char *pbuf;
- bool quoted;
- size_t len=1;
-
- if (!ptr)
- return(false);
-
- s = (char *)*ptr;
-
- /* default to simple separators */
- if (!sep)
- sep = " \t\n\r";
-
- /* find the first non sep char, if left-trimming is requested */
- if (ltrim) {
- while (*s && strchr_m(sep,*s))
- s++;
- }
-
- /* nothing left? */
- if (! *s)
- return(false);
-
- /* copy over the token */
- pbuf = buff;
- for (quoted = false; len < bufsize && *s &&
- (quoted || !strchr_m(sep,*s)); s++) {
- if ( *s == '\"' ) {
- quoted = !quoted;
- } else {
- len++;
- *pbuf++ = *s;
- }
- }
-
- *ptr = (*s) ? s+1 : s;
- *pbuf = 0;
-
- return(true);
-}
-
-/*
- * Get the next token from a string, return false if none found. Handles
- * double-quotes. This version trims leading separator characters before
- * looking for a token.
- */
-bool next_token(const char **ptr, char *buff, const char *sep, size_t bufsize)
-{
- return next_token_internal(ptr, buff, sep, bufsize, true);
-}
-
-/*
- * Get the next token from a string, return false if none found. Handles
- * double-quotes. This version does not trim leading separator characters
- * before looking for a token.
- */
-bool next_token_no_ltrim(const char **ptr,
- char *buff,
- const char *sep,
- size_t bufsize)
-{
- return next_token_internal(ptr, buff, sep, bufsize, false);
-}
-
-/**
-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 const char *last_ptr=NULL;
-
-bool next_token_nr(const char **ptr,char *buff, const char *sep, size_t bufsize)
-{
- bool ret;
- if (!ptr)
- ptr = &last_ptr;
-
- ret = next_token(ptr, buff, sep, bufsize);
- last_ptr = *ptr;
- return ret;
-}
-
-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, const char *sep)
-{
- char *s=(char *)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=(char *)last_ptr;
-
- if (!(ret=iret=SMB_MALLOC_ARRAY(char *,ictok+1)))
- return NULL;
-
- while(ictok--) {
- *iret++=s;
- if (ictok > 0) {
- while(*s++)
- ;
- while(!*s)
- s++;
- }
- }
-
- ret[*ctok] = NULL;
- return ret;
-}
+const char toupper_ascii_fast_table[128] = {
+ 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf,
+ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
+ 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
+ 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
+ 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
+ 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
+ 0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
+ 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f
+};
/**
* Case insensitive string compararison.
* from here on in */
break;
- us = toupper_ascii(*ps);
- ut = toupper_ascii(*pt);
+ us = toupper_ascii_fast(*ps);
+ ut = toupper_ascii_fast(*pt);
if (us == ut)
continue;
else if (us < ut)
return +1;
}
- size = push_ucs2_allocate(&buffer_s, ps);
- if (size == (size_t)-1) {
+ if (!push_ucs2_talloc(talloc_tos(), &buffer_s, ps, &size)) {
return strcmp(ps, pt);
/* Not quite the right answer, but finding the right one
under this failure case is expensive, and it's pretty
close */
}
- size = push_ucs2_allocate(&buffer_t, pt);
- if (size == (size_t)-1) {
- SAFE_FREE(buffer_s);
+ if (!push_ucs2_talloc(talloc_tos(), &buffer_t, pt, &size)) {
+ TALLOC_FREE(buffer_s);
return strcmp(ps, pt);
/* Not quite the right answer, but finding the right one
under this failure case is expensive, and it's pretty
}
ret = strcasecmp_w(buffer_s, buffer_t);
- SAFE_FREE(buffer_s);
- SAFE_FREE(buffer_t);
+ TALLOC_FREE(buffer_s);
+ TALLOC_FREE(buffer_t);
return ret;
}
* hard way from here on in */
break;
- us = toupper_ascii(*ps);
- ut = toupper_ascii(*pt);
+ us = toupper_ascii_fast(*ps);
+ ut = toupper_ascii_fast(*pt);
if (us == ut)
continue;
else if (us < ut)
return 0;
}
- size = push_ucs2_allocate(&buffer_s, ps);
- if (size == (size_t)-1) {
+ if (!push_ucs2_talloc(talloc_tos(), &buffer_s, ps, &size)) {
return strncmp(ps, pt, len-n);
/* Not quite the right answer, but finding the right one
under this failure case is expensive,
and it's pretty close */
}
- size = push_ucs2_allocate(&buffer_t, pt);
- if (size == (size_t)-1) {
- SAFE_FREE(buffer_s);
+ if (!push_ucs2_talloc(talloc_tos(), &buffer_t, pt, &size)) {
+ TALLOC_FREE(buffer_s);
return strncmp(ps, pt, len-n);
/* Not quite the right answer, but finding the right one
under this failure case is expensive,
}
ret = strncasecmp_w(buffer_s, buffer_t, len-n);
- SAFE_FREE(buffer_s);
- SAFE_FREE(buffer_t);
+ TALLOC_FREE(buffer_s);
+ TALLOC_FREE(buffer_t);
return ret;
}
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_ascii(*psz1) != toupper_ascii(*psz2) ||
- *psz1 == '\0' || *psz2 == '\0')
- break;
- psz1++;
- psz2++;
- }
- return (*psz1 - *psz2);
-}
-
-
-/**
- Convert a string to upper case, but don't modify it.
-**/
-
-char *strupper_static(const char *s)
-{
- static char *str = NULL;
-
- SAFE_FREE(str);
- str = SMB_STRDUP(s);
- strupper_m(str);
- return str;
-}
-
/**
Convert a string to "normal" form.
**/
strlower_m(s);
}
-/**
- Check if a string is in "normal" case.
-**/
-
-bool strisnormal(const char *s, 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 )
-{
- char *p;
-
- /* this is quite a common operation, so we want it to be
- fast. We optimise for the ascii case, knowing that all our
- supported multi-byte character sets are ascii-compatible
- (ie. they match for the first 128 chars) */
-
- for (p = s; *p; p++) {
- if (*p & 0x80) /* mb string - slow path. */
- break;
- if (*p == oldc) {
- *p = newc;
- }
- }
-
- if (!*p)
- return;
-
- /* Slow (mb) path. */
-#ifdef BROKEN_UNICODE_COMPOSE_CHARACTERS
- /* With compose characters we must restart from the beginning. JRA. */
- p = s;
-#endif
-
- while (*p) {
- size_t c_size;
- next_codepoint(p, &c_size);
-
- if (c_size == 1) {
- if (*p == oldc) {
- *p = newc;
- }
- }
- p += c_size;
- }
-}
-
/**
* Skip past some strings in a buffer - old version - no checks.
* **/
size_t str_charnum(const char *s)
{
- size_t ret;
+ size_t ret, converted_size;
smb_ucs2_t *tmpbuf2 = NULL;
- if (push_ucs2_allocate(&tmpbuf2, s) == (size_t)-1) {
+ if (!push_ucs2_talloc(talloc_tos(), &tmpbuf2, s, &converted_size)) {
return 0;
}
ret = strlen_w(tmpbuf2);
- SAFE_FREE(tmpbuf2);
- return ret;
-}
-
-/**
- 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_ascii_charnum(const char *s)
-{
- size_t ret;
- char *tmpbuf2 = NULL;
- if (push_ascii_allocate(&tmpbuf2, s) == (size_t)-1) {
- return 0;
- }
- ret = strlen(tmpbuf2);
- SAFE_FREE(tmpbuf2);
+ TALLOC_FREE(tmpbuf2);
return ret;
}
return ret;
}
-/**
- 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) {
- /* Must use memmove here as src & dest can
- * easily overlap. Found by valgrind. JRA. */
- memmove(s, s+front_len, (len-front_len)+1);
- len -= front_len;
- ret=true;
- }
- }
-
- if (back_len) {
- while ((len >= back_len) &&
- 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 *tmp, *p;
- bool ret;
-
- if (push_ucs2_allocate(&tmp, s) == -1) {
- return false;
- }
-
- for(p = tmp; *p != 0; p++) {
- if(isupper_w(*p)) {
- break;
- }
- }
-
- ret = (*p != 0);
- SAFE_FREE(tmp);
- return ret;
-}
-
-/**
- Does a string have any lowercase chars in it?
-**/
-
-bool strhaslower(const char *s)
-{
- smb_ucs2_t *tmp, *p;
- bool ret;
-
- if (push_ucs2_allocate(&tmp, s) == -1) {
- return false;
- }
-
- for(p = tmp; *p != 0; p++) {
- if(islower_w(*p)) {
- break;
- }
- }
-
- ret = (*p != 0);
- SAFE_FREE(tmp);
- return ret;
-}
-
-/**
- Find the number of 'c' chars in a string
-**/
-
-size_t count_chars(const char *s,char c)
-{
- smb_ucs2_t *ptr;
- int count;
- smb_ucs2_t *alloc_tmpbuf = NULL;
-
- if (push_ucs2_allocate(&alloc_tmpbuf, s) == (size_t)-1) {
- return 0;
- }
-
- for(count=0,ptr=alloc_tmpbuf;*ptr;ptr++)
- if(*ptr==UCS2_CHAR(c))
- count++;
-
- SAFE_FREE(alloc_tmpbuf);
- return(count);
-}
-
/**
Safe string copy into a known length string. maxlength does not
include the terminating zero.
**/
-char *safe_strcpy_fn(const char *fn,
- int line,
- char *dest,
- const char *src,
- size_t maxlength)
+char *safe_strcpy_fn(char *dest,
+ const char *src,
+ size_t maxlength)
{
size_t len;
if (!dest) {
- DEBUG(0,("ERROR: NULL dest in safe_strcpy, "
- "called from [%s][%d]\n", fn, line));
- return NULL;
+ smb_panic("ERROR: NULL dest in safe_strcpy");
}
-#ifdef DEVELOPER
- clobber_region(fn,line,dest, maxlength+1);
-#endif
-
if (!src) {
*dest = 0;
return dest;
Safe string cat into a string. maxlength does not
include the terminating zero.
**/
-char *safe_strcat_fn(const char *fn,
- int line,
- char *dest,
- const char *src,
- size_t maxlength)
+char *safe_strcat_fn(char *dest,
+ const char *src,
+ size_t maxlength)
{
size_t src_len, dest_len;
if (!dest) {
- DEBUG(0,("ERROR: NULL dest in safe_strcat, "
- "called from [%s][%d]\n", fn, line));
- return NULL;
+ smb_panic("ERROR: NULL dest in safe_strcat");
}
if (!src)
src_len = strnlen(src, maxlength + 1);
dest_len = strnlen(dest, maxlength + 1);
-#ifdef DEVELOPER
- clobber_region(fn, line, dest + dest_len, maxlength + 1 - dest_len);
-#endif
-
if (src_len + dest_len > maxlength) {
DEBUG(0,("ERROR: string overflow by %d "
"in safe_strcat [%.50s]\n",
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 !
+ characters. Treats src as an array of bytes, not as a multibyte
+ string. Any byte >0x7f is automatically converted to '_'.
+ other_safe_chars must also contain an ascii string (bytes<0x7f).
**/
-char *alpha_strcpy_fn(const char *fn,
- int line,
- char *dest,
- const char *src,
- const char *other_safe_chars,
- size_t maxlength)
+char *alpha_strcpy(char *dest,
+ const char *src,
+ const char *other_safe_chars,
+ size_t maxlength)
{
size_t len, i;
-#ifdef DEVELOPER
- clobber_region(fn, line, dest, maxlength);
-#endif
-
if (!dest) {
- DEBUG(0,("ERROR: NULL dest in alpha_strcpy, "
- "called from [%s][%d]\n", fn, line));
- return NULL;
+ smb_panic("ERROR: NULL dest in alpha_strcpy");
}
if (!src) {
for(i = 0; i < len; i++) {
int val = (src[i] & 0xff);
- if (isupper_ascii(val) || islower_ascii(val) ||
- isdigit(val) || strchr_m(other_safe_chars, val))
+ if (val > 0x7f) {
+ dest[i] = '_';
+ continue;
+ }
+ if (isupper(val) || islower(val) ||
+ isdigit(val) || strchr(other_safe_chars, val))
dest[i] = src[i];
else
dest[i] = '_';
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_fn(const char *fn, int line,char *dest,const char *src,size_t n)
+char *StrnCpy(char *dest,const char *src,size_t n)
{
char *d = dest;
-#ifdef DEVELOPER
- clobber_region(fn, line, dest, n+1);
-#endif
-
if (!dest) {
- DEBUG(0,("ERROR: NULL dest in StrnCpy, "
- "called from [%s][%d]\n", fn, line));
- return(NULL);
+ smb_panic("ERROR: NULL dest in StrnCpy");
}
if (!src) {
char *p;
size_t str_len;
-#ifdef DEVELOPER
- clobber_region(dest, n+1);
-#endif
p = strchr_m(src, c);
if (p == NULL) {
DEBUG(5, ("strncpyn: separator character (%c) not found\n", c));
#endif
/**
- 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"
-
+ Check if a string is part of a list.
**/
-size_t strhex_to_str(char *p, size_t len, const char *strhex)
+bool in_list(const char *s, const char *list, bool casesensitive)
{
- size_t i;
- size_t num_chars = 0;
- unsigned char lonybble, hinybble;
- const 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_ascii(strhex[i]))))
- break;
-
- i++; /* next hex digit */
-
- if (!(p2 = strchr_m(hexchars, toupper_ascii(strhex[i]))))
- break;
-
- /* get the two nybbles */
- hinybble = PTR_DIFF(p1, hexchars);
- lonybble = PTR_DIFF(p2, hexchars);
+ char *tok = NULL;
+ bool ret = false;
+ TALLOC_CTX *frame;
- p[num_chars] = (hinybble << 4) | lonybble;
- num_chars++;
+ if (!list) {
+ return false;
+ }
- p1 = NULL;
- p2 = NULL;
+ frame = talloc_stackframe();
+ while (next_token_talloc(frame, &list, &tok,LIST_SEP)) {
+ if (casesensitive) {
+ if (strcmp(tok,s) == 0) {
+ ret = true;
+ break;
+ }
+ } else {
+ if (StrCaseCmp(tok,s) == 0) {
+ ret = true;
+ break;
+ }
+ }
}
- return num_chars;
+ TALLOC_FREE(frame);
+ return ret;
}
-DATA_BLOB strhex_to_data_blob(TALLOC_CTX *mem_ctx, const char *strhex)
-{
- DATA_BLOB ret_blob;
-
- if (mem_ctx != NULL)
- ret_blob = data_blob_talloc(mem_ctx, NULL, strlen(strhex)/2+1);
- else
- ret_blob = data_blob(NULL, strlen(strhex)/2+1);
-
- ret_blob.length = strhex_to_str((char*)ret_blob.data,
- strlen(strhex),
- strhex);
-
- return ret_blob;
-}
-
-/**
- * Routine to print a buffer as HEX digits, into an allocated string.
- */
-
-char *hex_encode(TALLOC_CTX *mem_ctx, const unsigned char *buff_in, size_t len)
-{
- int i;
- char *hex_buffer;
-
- hex_buffer = TALLOC_ARRAY(mem_ctx, char, (len*2)+1);
-
- for (i = 0; i < len; i++)
- slprintf(&hex_buffer[i*2], 3, "%02X", buff_in[i]);
-
- return hex_buffer;
-}
-
-/**
- Check if a string is part of a list.
-**/
-
-bool in_list(const char *s, const char *list, bool casesensitive)
-{
- char *tok;
- const char *p=list;
- size_t bufsize = strlen(list);
- bool ret = false;
-
- if (!list)
- return(false);
-
- /* We know a token can't be larger
- * than the entire list. */
-
- tok = SMB_MALLOC_ARRAY(char, bufsize+1);
- if (!tok) {
- return false;
- }
-
- while (next_token(&p,tok,LIST_SEP,bufsize+1)) {
- if (casesensitive) {
- if (strcmp(tok,s) == 0) {
- ret = true;
- break;
- }
- } else {
- if (StrCaseCmp(tok,s) == 0) {
- ret = true;
- break;
- }
- }
- }
-
- SAFE_FREE(tok);
- return ret;
-}
-
-/* this is used to prevent lots of mallocs of size 1 */
-static const char *null_string = "";
+/* this is used to prevent lots of mallocs of size 1 */
+static const char null_string[] = "";
/**
Set a string value, allocing the space for the string
}
for (i=0;i<li;i++) {
switch (insert[i]) {
- case '`':
- case '"':
- case '\'':
- case ';':
case '$':
/* allow a trailing $
* (as in machine accounts) */
p[i] = insert[i];
break;
}
+ case '`':
+ case '"':
+ case '\'':
+ case ';':
case '%':
case '\r':
case '\n':
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 it will accept only allocated strings
+ Similar to string_sub2, but it will accept only allocated strings
and may realloc them so pay attention at what you pass on no
- pointers inside strings, no pstrings or const may be passed
+ pointers inside strings, no const may be passed
as string.
**/
-char *realloc_string_sub(char *string, const char *pattern,
- const char *insert)
+char *realloc_string_sub2(char *string,
+ const char *pattern,
+ const char *insert,
+ bool remove_unsafe_characters,
+ bool allow_trailing_dollar)
{
char *p, *in;
char *s;
ld = li - lp;
for (i=0;i<li;i++) {
switch (in[i]) {
+ case '$':
+ /* allow a trailing $
+ * (as in machine accounts) */
+ if (allow_trailing_dollar && (i == li - 1 )) {
+ break;
+ }
case '`':
case '"':
case '\'':
case ';':
- case '$':
case '%':
case '\r':
case '\n':
- in[i] = '_';
+ if ( remove_unsafe_characters ) {
+ in[i] = '_';
+ break;
+ }
default:
/* ok */
break;
return string;
}
+char *realloc_string_sub(char *string,
+ const char *pattern,
+ const char *insert)
+{
+ return realloc_string_sub2(string, pattern, insert, true, false);
+}
+
/*
* Internal guts of talloc_string_sub and talloc_all_string_sub.
- * 'filter' differentiates between them.
+ * talloc version of string_sub2.
*/
-static char *talloc_string_sub_internal(TALLOC_CTX *mem_ctx, const char *src,
- const char *pattern, const char *insert, bool filter)
+char *talloc_string_sub2(TALLOC_CTX *mem_ctx, const char *src,
+ const char *pattern,
+ const char *insert,
+ bool remove_unsafe_characters,
+ bool replace_once,
+ bool allow_trailing_dollar)
{
char *p, *in;
char *s;
char *string;
ssize_t ls,lp,li,ld, i;
- if (!insert || !pattern || !*pattern || !src || !*src) {
+ if (!insert || !pattern || !*pattern || !src) {
return NULL;
}
string = talloc_strdup(mem_ctx, src);
if (string == NULL) {
- DEBUG(0, ("talloc_string_sub_internal: "
+ DEBUG(0, ("talloc_string_sub2: "
"talloc_strdup failed\n"));
return NULL;
}
in = SMB_STRDUP(insert);
if (!in) {
- DEBUG(0, ("talloc_string_sub_internal: ENOMEM\n"));
+ DEBUG(0, ("talloc_string_sub2: ENOMEM\n"));
return NULL;
}
ls = (ssize_t)strlen(s);
li = (ssize_t)strlen(insert);
ld = li - lp;
- if (filter) {
- for (i=0;i<li;i++) {
- switch (in[i]) {
- case '`':
- case '"':
- case '\'':
- case ';':
- case '$':
- case '%':
- case '\r':
- case '\n':
+ for (i=0;i<li;i++) {
+ switch (in[i]) {
+ case '$':
+ /* allow a trailing $
+ * (as in machine accounts) */
+ if (allow_trailing_dollar && (i == li - 1 )) {
+ break;
+ }
+ case '`':
+ case '"':
+ case '\'':
+ case ';':
+ case '%':
+ case '\r':
+ case '\n':
+ if (remove_unsafe_characters) {
in[i] = '_';
- default:
- /* ok */
break;
- }
+ }
+ default:
+ /* ok */
+ break;
}
}
memcpy(p, in, li);
s = p + li;
ls += ld;
+
+ if (replace_once) {
+ break;
+ }
}
SAFE_FREE(in);
return string;
/* Same as string_sub, but returns a talloc'ed string */
-char *talloc_string_sub(TALLOC_CTX *mem_ctx, const char *src,
- const char *pattern, const char *insert)
+char *talloc_string_sub(TALLOC_CTX *mem_ctx,
+ const char *src,
+ const char *pattern,
+ const char *insert)
{
- return talloc_string_sub_internal(mem_ctx, src, pattern, insert, true);
+ return talloc_string_sub2(mem_ctx, src, pattern, insert,
+ true, false, false);
}
/**
const char *pattern,
const char *insert)
{
- return talloc_string_sub_internal(ctx, src, pattern, insert, false);
+ return talloc_string_sub2(ctx, src, pattern, insert,
+ false, false, false);
}
/**
- Similar to all_string_sub but for unicode strings.
- Return a new allocated unicode string.
- similar to string_sub() but allows for any character to be substituted.
- Use with caution!
+ Write an octal as a string.
**/
-static smb_ucs2_t *all_string_sub_w(const smb_ucs2_t *s,
- const smb_ucs2_t *pattern,
- const smb_ucs2_t *insert)
+char *octal_string(int i)
{
- smb_ucs2_t *r, *rp;
- const smb_ucs2_t *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) {
- const smb_ucs2_t *st = s;
- int ld = li - lp;
- while ((sp = strstr_w(st, pattern))) {
- st = sp + lp;
- lt += ld;
- }
- }
-
- r = rp = SMB_MALLOC_ARRAY(smb_ucs2_t, lt + 1);
- 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);
+ char *result;
+ if (i == -1) {
+ result = talloc_strdup(talloc_tos(), "-1");
}
- *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);
-}
-
-#if 0
-/**
- Splits out the front and back at a separator.
-**/
-
-static 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;
+ else {
+ result = talloc_asprintf(talloc_tos(), "0%o", i);
}
-}
-#endif
-
-/**
- Write an octal as a string.
-**/
-
-const char *octal_string(int i)
-{
- static char ret[64];
- if (i == -1)
- return "-1";
- slprintf(ret, sizeof(ret)-1, "0%o", i);
- return ret;
+ SMB_ASSERT(result != NULL);
+ return result;
}
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 *src, char c)
-{
- smb_ucs2_t *ws = NULL;
- char *s2 = NULL;
- smb_ucs2_t *p;
- const char *s;
- char *ret;
-
- /* characters below 0x3F are guaranteed to not appear in
- non-initial position in multi-byte charsets */
- if ((c & 0xC0) == 0) {
- return strchr(src, c);
- }
-
- /* this is quite a common operation, so we want it to be
- fast. We optimise for the ascii case, knowing that all our
- supported multi-byte character sets are ascii-compatible
- (ie. they match for the first 128 chars) */
-
- for (s = src; *s && !(((unsigned char)s[0]) & 0x80); s++) {
- if (*s == c)
- return (char *)s;
- }
-
- if (!*s)
- return NULL;
-
-#ifdef BROKEN_UNICODE_COMPOSE_CHARACTERS
- /* With compose characters we must restart from the beginning. JRA. */
- s = src;
-#endif
-
- if (push_ucs2_allocate(&ws, s)==(size_t)-1) {
- /* Wrong answer, but what can we do... */
- return strchr(src, c);
- }
- p = strchr_w(ws, UCS2_CHAR(c));
- if (!p) {
- SAFE_FREE(ws);
- return NULL;
- }
- *p = 0;
- if (pull_ucs2_allocate(&s2, ws)==(size_t)-1) {
- SAFE_FREE(ws);
- /* Wrong answer, but what can we do... */
- return strchr(src, c);
- }
- ret = (char *)(s+strlen(s2));
- SAFE_FREE(ws);
- SAFE_FREE(s2);
- return ret;
-}
-
-char *strrchr_m(const char *s, char c)
-{
- /* characters below 0x3F are guaranteed to not appear in
- non-initial position in multi-byte charsets */
- if ((c & 0xC0) == 0) {
- return strrchr(s, c);
- }
-
- /* this is quite a common operation, so we want it to be
- fast. We optimise for the ascii case, knowing that all our
- supported multi-byte character sets are ascii-compatible
- (ie. they match for the first 128 chars). Also, in Samba
- we only search for ascii characters in 'c' and that
- in all mb character sets with a compound character
- containing c, if 'c' is not a match at position
- p, then p[-1] > 0x7f. JRA. */
-
- {
- size_t len = strlen(s);
- const char *cp = s;
- bool got_mb = false;
-
- if (len == 0)
- return NULL;
- cp += (len - 1);
- do {
- if (c == *cp) {
- /* Could be a match. Part of a multibyte ? */
- if ((cp > s) &&
- (((unsigned char)cp[-1]) & 0x80)) {
- /* Yep - go slow :-( */
- got_mb = true;
- break;
- }
- /* No - we have a match ! */
- return (char *)cp;
- }
- } while (cp-- != s);
- if (!got_mb)
- return NULL;
- }
-
- /* String contained a non-ascii char. Slow path. */
- {
- smb_ucs2_t *ws = NULL;
- char *s2 = NULL;
- smb_ucs2_t *p;
- char *ret;
-
- if (push_ucs2_allocate(&ws,s)==(size_t)-1) {
- /* Wrong answer, but what can we do. */
- return strrchr(s, c);
- }
- p = strrchr_w(ws, UCS2_CHAR(c));
- if (!p) {
- SAFE_FREE(ws);
- return NULL;
- }
- *p = 0;
- if (pull_ucs2_allocate(&s2,ws)==(size_t)-1) {
- SAFE_FREE(ws);
- /* Wrong answer, but what can we do. */
- return strrchr(s, c);
- }
- ret = (char *)(s+strlen(s2));
- SAFE_FREE(ws);
- SAFE_FREE(s2);
- return ret;
- }
-}
/***********************************************************************
Return the equivalent of doing strrchr 'n' times - always going
char *s2 = NULL;
smb_ucs2_t *p;
char *ret;
+ size_t converted_size;
- if (push_ucs2_allocate(&ws,s)==(size_t)-1) {
+ if (!push_ucs2_talloc(talloc_tos(), &ws, s, &converted_size)) {
/* Too hard to try and get right. */
return NULL;
}
p = strnrchr_w(ws, UCS2_CHAR(c), n);
if (!p) {
- SAFE_FREE(ws);
+ TALLOC_FREE(ws);
return NULL;
}
*p = 0;
- if (pull_ucs2_allocate(&s2,ws)==(size_t)-1) {
- SAFE_FREE(ws);
+ if (!pull_ucs2_talloc(talloc_tos(), &s2, ws, &converted_size)) {
+ TALLOC_FREE(ws);
/* Too hard to try and get right. */
return NULL;
}
ret = (char *)(s+strlen(s2));
- SAFE_FREE(ws);
- SAFE_FREE(s2);
+ TALLOC_FREE(ws);
+ TALLOC_FREE(s2);
return ret;
}
char *s2;
char *retp;
- size_t findstr_len = 0;
+ size_t converted_size, findstr_len = 0;
/* for correctness */
if (!findstr[0]) {
s = src;
#endif
- if (push_ucs2_allocate(&src_w, src) == (size_t)-1) {
+ if (!push_ucs2_talloc(talloc_tos(), &src_w, src, &converted_size)) {
DEBUG(0,("strstr_m: src malloc fail\n"));
return NULL;
}
- if (push_ucs2_allocate(&find_w, findstr) == (size_t)-1) {
- SAFE_FREE(src_w);
+ if (!push_ucs2_talloc(talloc_tos(), &find_w, findstr, &converted_size)) {
+ TALLOC_FREE(src_w);
DEBUG(0,("strstr_m: find malloc fail\n"));
return NULL;
}
p = strstr_w(src_w, find_w);
if (!p) {
- SAFE_FREE(src_w);
- SAFE_FREE(find_w);
+ TALLOC_FREE(src_w);
+ TALLOC_FREE(find_w);
return NULL;
}
*p = 0;
- if (pull_ucs2_allocate(&s2, src_w) == (size_t)-1) {
- SAFE_FREE(src_w);
- SAFE_FREE(find_w);
+ if (!pull_ucs2_talloc(talloc_tos(), &s2, src_w, &converted_size)) {
+ TALLOC_FREE(src_w);
+ TALLOC_FREE(find_w);
DEBUG(0,("strstr_m: dest malloc fail\n"));
return NULL;
}
retp = (char *)(s+strlen(s2));
- SAFE_FREE(src_w);
- SAFE_FREE(find_w);
- SAFE_FREE(s2);
+ TALLOC_FREE(src_w);
+ TALLOC_FREE(find_w);
+ TALLOC_FREE(s2);
return retp;
}
-/**
- Convert a string to lower case.
-**/
-
-void strlower_m(char *s)
+static bool unix_strlower(const char *src, size_t srclen, char *dest, size_t destlen)
{
- size_t len;
- int errno_save;
-
- /* this is quite a common operation, so we want it to be
- fast. We optimise for the ascii case, knowing that all our
- supported multi-byte character sets are ascii-compatible
- (ie. they match for the first 128 chars) */
+ size_t size;
+ smb_ucs2_t *buffer = NULL;
+ bool ret;
- while (*s && !(((unsigned char)s[0]) & 0x80)) {
- *s = tolower_ascii((unsigned char)*s);
- s++;
+ if (!convert_string_talloc(talloc_tos(), CH_UNIX, CH_UTF16LE, src, srclen,
+ (void **)(void *)&buffer, &size))
+ {
+ smb_panic("failed to create UCS2 buffer");
}
-
- if (!*s)
- return;
-
- /* I assume that lowercased string takes the same number of bytes
- * as source string even in UTF-8 encoding. (VIV) */
- len = strlen(s) + 1;
- errno_save = errno;
- errno = 0;
- unix_strlower(s,len,s,len);
- /* Catch mb conversion errors that may not terminate. */
- if (errno)
- s[len-1] = '\0';
- errno = errno_save;
+ if (!strlower_w(buffer) && (dest == src)) {
+ TALLOC_FREE(buffer);
+ return srclen;
+ }
+ ret = convert_string(CH_UTF16LE, CH_UNIX, buffer, size, dest, destlen, &size);
+ TALLOC_FREE(buffer);
+ return ret;
}
+
/**
- Convert a string to upper case.
+ Convert a string to lower case.
**/
-void strupper_m(char *s)
+void strlower_m(char *s)
{
size_t len;
int errno_save;
(ie. they match for the first 128 chars) */
while (*s && !(((unsigned char)s[0]) & 0x80)) {
- *s = toupper_ascii((unsigned char)*s);
+ *s = tolower_ascii((unsigned char)*s);
s++;
}
return;
/* I assume that lowercased string takes the same number of bytes
- * as source string even in multibyte encoding. (VIV) */
+ * as source string even in UTF-8 encoding. (VIV) */
len = strlen(s) + 1;
errno_save = errno;
errno = 0;
- unix_strupper(s,len,s,len);
+ unix_strlower(s,len,s,len);
/* Catch mb conversion errors that may not terminate. */
if (errno)
- s[len-1] = '\0';
- errno = errno_save;
-}
-
-/**
- Count the number of UCS2 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 strlen_m(const char *s)
-{
- size_t count = 0;
-
- if (!s) {
- return 0;
- }
-
- while (*s && !(((uint8_t)*s) & 0x80)) {
- s++;
- count++;
- }
-
- if (!*s) {
- return count;
- }
-
- while (*s) {
- size_t c_size;
- codepoint_t c = next_codepoint(s, &c_size);
- if (c < 0x10000) {
- /* Unicode char fits into 16 bits. */
- count += 1;
- } else {
- /* Double-width unicode char - 32 bits. */
- count += 2;
- }
- s += c_size;
- }
-
- return count;
-}
-
-/**
- Count the number of UCS2 characters in a string including the null
- terminator.
-**/
-
-size_t strlen_m_term(const char *s)
-{
- if (!s) {
- return 0;
- }
- return strlen_m(s) + 1;
-}
-
-/*
- * Weird helper routine for the winreg pipe: If nothing is around, return 0,
- * if a string is there, include the terminator.
- */
-
-size_t strlen_m_term_null(const char *s)
-{
- size_t len;
- if (!s) {
- return 0;
- }
- len = strlen_m(s);
- if (len == 0) {
- return 0;
- }
-
- return len+1;
-}
-/**
- Return a RFC2254 binary string representation of a buffer.
- Used in LDAP filters.
- Caller must free.
-**/
-
-char *binary_string_rfc2254(char *buf, int len)
-{
- char *s;
- int i, j;
- const char *hex = "0123456789ABCDEF";
- s = (char *)SMB_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;
-}
-
-char *binary_string(char *buf, int len)
-{
- char *s;
- int i, j;
- const char *hex = "0123456789ABCDEF";
- s = (char *)SMB_MALLOC(len * 2 + 1);
- if (!s)
- return NULL;
- for (j=i=0;i<len;i++) {
- s[j] = hex[((unsigned char)buf[i]) >> 4];
- s[j+1] = hex[((unsigned char)buf[i]) & 0xF];
- j += 2;
- }
- s[j] = 0;
- return s;
-}
-/**
- Just a typesafety wrapper for snprintf into a pstring.
-**/
-
- int pstr_sprintf(pstring s, const char *fmt, ...)
-{
- va_list ap;
- int ret;
-
- va_start(ap, fmt);
- ret = vsnprintf(s, PSTRING_LEN, fmt, ap);
- va_end(ap);
- return ret;
-}
-
-
-/**
- Just a typesafety wrapper for snprintf into a fstring.
-**/
-
-int fstr_sprintf(fstring s, const char *fmt, ...)
-{
- va_list ap;
- int ret;
-
- va_start(ap, fmt);
- ret = vsnprintf(s, FSTRING_LEN, fmt, ap);
- va_end(ap);
- return ret;
-}
-
-/**
- List of Strings manipulation functions
-**/
-
-#define S_LIST_ABS 16 /* List Allocation Block Size */
-
-static char **str_list_make_internal(TALLOC_CTX *mem_ctx,
- const char *string,
- const char *sep)
-{
- char **list, **rlist;
- const char *str;
- char *s;
- int num, lsize;
- pstring tok;
-
- if (!string || !*string)
- return NULL;
- if (mem_ctx) {
- s = talloc_strdup(mem_ctx, string);
- } else {
- s = SMB_STRDUP(string);
- }
- if (!s) {
- DEBUG(0,("str_list_make: Unable to allocate memory"));
- return NULL;
- }
- if (!sep) sep = LIST_SEP;
-
- num = lsize = 0;
- list = NULL;
-
- str = s;
- while (next_token(&str, tok, sep, sizeof(tok))) {
- if (num == lsize) {
- lsize += S_LIST_ABS;
- if (mem_ctx) {
- rlist = TALLOC_REALLOC_ARRAY(mem_ctx, list,
- char *, lsize +1);
- } else {
- /* We need to keep the old list on
- * error so we can free the elements
- if the realloc fails. */
- rlist =SMB_REALLOC_ARRAY_KEEP_OLD_ON_ERROR(list,
- char *, lsize +1);
- }
- if (!rlist) {
- DEBUG(0,("str_list_make: "
- "Unable to allocate memory"));
- str_list_free(&list);
- if (mem_ctx) {
- TALLOC_FREE(s);
- } else {
- SAFE_FREE(s);
- }
- return NULL;
- } else {
- list = rlist;
- }
- memset (&list[num], 0,
- ((sizeof(char**)) * (S_LIST_ABS +1)));
- }
-
- if (mem_ctx) {
- list[num] = talloc_strdup(mem_ctx, tok);
- } else {
- list[num] = SMB_STRDUP(tok);
- }
-
- if (!list[num]) {
- DEBUG(0,("str_list_make: Unable to allocate memory"));
- str_list_free(&list);
- if (mem_ctx) {
- TALLOC_FREE(s);
- } else {
- SAFE_FREE(s);
- }
- return NULL;
- }
-
- num++;
- }
-
- if (mem_ctx) {
- TALLOC_FREE(s);
- } else {
- SAFE_FREE(s);
- }
-
- return list;
-}
-
-char **str_list_make_talloc(TALLOC_CTX *mem_ctx,
- const char *string,
- const char *sep)
-{
- return str_list_make_internal(mem_ctx, string, sep);
-}
-
-char **str_list_make(const char *string, const char *sep)
-{
- return str_list_make_internal(NULL, string, sep);
-}
-
-bool str_list_copy(char ***dest, const char **src)
-{
- char **list, **rlist;
- int num, lsize;
-
- *dest = NULL;
- if (!src)
- return false;
-
- num = lsize = 0;
- list = NULL;
-
- while (src[num]) {
- if (num == lsize) {
- lsize += S_LIST_ABS;
- rlist = SMB_REALLOC_ARRAY_KEEP_OLD_ON_ERROR(list,
- char *, lsize +1);
- if (!rlist) {
- DEBUG(0,("str_list_copy: "
- "Unable to re-allocate memory"));
- str_list_free(&list);
- return false;
- } else {
- list = rlist;
- }
- memset (&list[num], 0,
- ((sizeof(char **)) * (S_LIST_ABS +1)));
- }
-
- list[num] = SMB_STRDUP(src[num]);
- if (!list[num]) {
- DEBUG(0,("str_list_copy: Unable to allocate memory"));
- str_list_free(&list);
- return false;
- }
-
- num++;
- }
-
- *dest = list;
- return true;
+ s[len-1] = '\0';
+ errno = errno_save;
}
-/**
- * Return true if all the elements of the list match exactly.
- **/
-bool str_list_compare(char **list1, char **list2)
+static bool unix_strupper(const char *src, size_t srclen, char *dest, size_t destlen)
{
- int num;
+ size_t size;
+ smb_ucs2_t *buffer;
+ bool ret;
- if (!list1 || !list2)
- return (list1 == list2);
+ if (!push_ucs2_talloc(talloc_tos(), &buffer, src, &size)) {
+ return (size_t)-1;
+ }
- for (num = 0; list1[num]; num++) {
- if (!list2[num])
- return false;
- if (!strcsequal(list1[num], list2[num]))
- return false;
+ if (!strupper_w(buffer) && (dest == src)) {
+ TALLOC_FREE(buffer);
+ return srclen;
}
- if (list2[num])
- return false; /* if list2 has more elements than list1 fail */
- return true;
+ ret = convert_string(CH_UTF16LE, CH_UNIX, buffer, size, dest, destlen, &size);
+ TALLOC_FREE(buffer);
+ return ret;
}
-static void str_list_free_internal(TALLOC_CTX *mem_ctx, char ***list)
+/**
+ Convert a string to upper case.
+**/
+
+void strupper_m(char *s)
{
- char **tlist;
+ size_t len;
+ int errno_save;
- if (!list || !*list)
- return;
- tlist = *list;
- for(; *tlist; tlist++) {
- if (mem_ctx) {
- TALLOC_FREE(*tlist);
- } else {
- SAFE_FREE(*tlist);
- }
- }
- if (mem_ctx) {
- TALLOC_FREE(*tlist);
- } else {
- SAFE_FREE(*list);
+ /* this is quite a common operation, so we want it to be
+ fast. We optimise for the ascii case, knowing that all our
+ supported multi-byte character sets are ascii-compatible
+ (ie. they match for the first 128 chars) */
+
+ while (*s && !(((unsigned char)s[0]) & 0x80)) {
+ *s = toupper_ascii_fast((unsigned char)*s);
+ s++;
}
-}
-void str_list_free_talloc(TALLOC_CTX *mem_ctx, char ***list)
-{
- str_list_free_internal(mem_ctx, list);
-}
+ if (!*s)
+ return;
-void str_list_free(char ***list)
-{
- str_list_free_internal(NULL, list);
+ /* I assume that lowercased string takes the same number of bytes
+ * as source string even in multibyte encoding. (VIV) */
+ len = strlen(s) + 1;
+ errno_save = errno;
+ errno = 0;
+ unix_strupper(s,len,s,len);
+ /* Catch mb conversion errors that may not terminate. */
+ if (errno)
+ s[len-1] = '\0';
+ errno = errno_save;
}
-/******************************************************************************
- *****************************************************************************/
+/**
+ Just a typesafety wrapper for snprintf into a fstring.
+**/
-int str_list_count( const char **list )
+int fstr_sprintf(fstring s, const char *fmt, ...)
{
- int i = 0;
-
- if ( ! list )
- return 0;
+ va_list ap;
+ int ret;
- /* count the number of list members */
+ va_start(ap, fmt);
+ ret = vsnprintf(s, FSTRING_LEN, fmt, ap);
+ va_end(ap);
+ return ret;
+}
- for ( i=0; *list; i++, list++ );
+/**
+ List of Strings manipulation functions
+**/
- return i;
-}
+#define S_LIST_ABS 16 /* List Allocation Block Size */
/******************************************************************************
- version of standard_sub_basic() for string lists; uses alloc_sub_basic()
+ version of standard_sub_basic() for string lists; uses talloc_sub_basic()
for the work
*****************************************************************************/
bool str_list_sub_basic( char **list, const char *smb_name,
const char *domain_name )
{
+ TALLOC_CTX *ctx = list;
char *s, *tmpstr;
while ( *list ) {
s = *list;
- tmpstr = alloc_sub_basic(smb_name, domain_name, s);
+ tmpstr = talloc_sub_basic(ctx, smb_name, domain_name, s);
if ( !tmpstr ) {
DEBUG(0,("str_list_sub_basic: "
"alloc_sub_basic() return NULL!\n"));
return false;
}
- SAFE_FREE(*list);
+ TALLOC_FREE(*list);
*list = tmpstr;
list++;
}
/******************************************************************************
- substritute a specific pattern in a string list
+ substitute a specific pattern in a string list
*****************************************************************************/
bool str_list_substitute(char **list, const char *pattern, const char *insert)
{
+ TALLOC_CTX *ctx = list;
char *p, *s, *t;
ssize_t ls, lp, li, ld, i, d;
t = *list;
d = p -t;
if (ld) {
- t = (char *) SMB_MALLOC(ls +ld +1);
+ t = TALLOC_ARRAY(ctx, char, ls +ld +1);
if (!t) {
DEBUG(0,("str_list_substitute: "
"Unable to allocate memory"));
}
memcpy(t, *list, d);
memcpy(t +d +li, p +lp, ls -d -lp +1);
- SAFE_FREE(*list);
+ TALLOC_FREE(*list);
*list = t;
ls += ld;
s = t +d +li;
{
char *new_ipstr = NULL;
char addr_buf[INET6_ADDRSTRLEN];
+ int ret;
/* arguments checking */
if (!ipstr_list || !service) {
if (*ipstr_list) {
if (service->ss.ss_family == AF_INET) {
/* IPv4 */
- asprintf(&new_ipstr, "%s%s%s:%d",
- *ipstr_list,
- IPSTR_LIST_SEP,
- addr_buf,
- service->port);
+ ret = asprintf(&new_ipstr, "%s%s%s:%d", *ipstr_list,
+ IPSTR_LIST_SEP, addr_buf,
+ service->port);
} else {
/* IPv6 */
- asprintf(&new_ipstr, "%s%s[%s]:%d",
- *ipstr_list,
- IPSTR_LIST_SEP,
- addr_buf,
- service->port);
+ ret = asprintf(&new_ipstr, "%s%s[%s]:%d", *ipstr_list,
+ IPSTR_LIST_SEP, addr_buf,
+ service->port);
}
SAFE_FREE(*ipstr_list);
} else {
if (service->ss.ss_family == AF_INET) {
/* IPv4 */
- asprintf(&new_ipstr, "%s:%d",
- addr_buf,
- service->port);
+ ret = asprintf(&new_ipstr, "%s:%d", addr_buf,
+ service->port);
} else {
/* IPv6 */
- asprintf(&new_ipstr, "[%s]:%d",
- addr_buf,
- service->port);
+ ret = asprintf(&new_ipstr, "[%s]:%d", addr_buf,
+ service->port);
}
}
+ if (ret == -1) {
+ return NULL;
+ }
*ipstr_list = new_ipstr;
return *ipstr_list;
}
* @param ipstr ip string list to be parsed
* @param ip_list pointer to array of ip addresses which is
* allocated by this function and must be freed by caller
- * @return number of succesfully parsed addresses
+ * @return number of successfully parsed addresses
**/
int ipstr_list_parse(const char *ipstr_list, struct ip_service **ip_list)
{
- fstring token_str;
+ TALLOC_CTX *frame;
+ char *token_str = NULL;
size_t count;
int i;
return 0;
}
- for ( i=0; next_token(&ipstr_list, token_str,
- IPSTR_LIST_SEP, FSTRING_LEN) && i<count; i++ ) {
+ frame = talloc_stackframe();
+ for ( i=0; next_token_talloc(frame, &ipstr_list, &token_str,
+ IPSTR_LIST_SEP) && i<count; i++ ) {
char *s = token_str;
char *p = strrchr(token_str, ':');
continue;
}
}
-
+ TALLOC_FREE(frame);
return count;
}
SAFE_FREE(ipstr_list);
}
-/**
- Unescape a URL encoded string, in place.
-**/
-
-void rfc1738_unescape(char *buf)
-{
- char *p=buf;
-
- while (p && *p && (p=strchr_m(p,'%'))) {
- int c1 = p[1];
- int c2 = p[2];
-
- if (c1 >= '0' && c1 <= '9')
- c1 = c1 - '0';
- else if (c1 >= 'A' && c1 <= 'F')
- c1 = 10 + c1 - 'A';
- else if (c1 >= 'a' && c1 <= 'f')
- c1 = 10 + c1 - 'a';
- else {p++; continue;}
-
- if (c2 >= '0' && c2 <= '9')
- c2 = c2 - '0';
- else if (c2 >= 'A' && c2 <= 'F')
- c2 = 10 + c2 - 'A';
- else if (c2 >= 'a' && c2 <= 'f')
- c2 = 10 + c2 - 'a';
- else {p++; continue;}
-
- *p = (c1<<4) | c2;
-
- memmove(p+1, p+3, strlen(p+3)+1);
- p++;
- }
-}
-
-static const char *b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-
-/**
- * Decode a base64 string into a DATA_BLOB - simple and slow algorithm
- **/
-DATA_BLOB base64_decode_data_blob(const char *s)
-{
- int bit_offset, byte_offset, idx, i, n;
- DATA_BLOB decoded = data_blob(s, strlen(s)+1);
- unsigned char *d = decoded.data;
- char *p;
-
- n=i=0;
-
- while (*s && (p=strchr_m(b64,*s))) {
- idx = (int)(p - b64);
- byte_offset = (i*6)/8;
- bit_offset = (i*6)%8;
- d[byte_offset] &= ~((1<<(8-bit_offset))-1);
- if (bit_offset < 3) {
- d[byte_offset] |= (idx << (2-bit_offset));
- n = byte_offset+1;
- } else {
- d[byte_offset] |= (idx >> (bit_offset-2));
- d[byte_offset+1] = 0;
- d[byte_offset+1] |= (idx << (8-(bit_offset-2))) & 0xFF;
- n = byte_offset+2;
- }
- s++; i++;
- }
-
- if ((n > 0) && (*s == '=')) {
- n -= 1;
- }
-
- /* fix up length */
- decoded.length = n;
- return decoded;
-}
-
-/**
- * Decode a base64 string in-place - wrapper for the above
- **/
-void base64_decode_inplace(char *s)
-{
- DATA_BLOB decoded = base64_decode_data_blob(s);
-
- if ( decoded.length != 0 ) {
- memcpy(s, decoded.data, decoded.length);
-
- /* null terminate */
- s[decoded.length] = '\0';
- } else {
- *s = '\0';
- }
-
- data_blob_free(&decoded);
-}
-
-/**
- * Encode a base64 string into a malloc()ed string caller to free.
- *
- * From SQUID: adopted from http://ftp.sunet.se/pub2/gnu/vm/base64-encode.c
- * with adjustments
- **/
-
-char *base64_encode_data_blob(DATA_BLOB data)
-{
- int bits = 0;
- int char_count = 0;
- size_t out_cnt, len, output_len;
- char *result;
-
- if (!data.length || !data.data)
- return NULL;
-
- out_cnt = 0;
- len = data.length;
- output_len = data.length * 2;
- result = TALLOC_ARRAY(talloc_tos(), char, output_len); /* get us plenty of space */
- SMB_ASSERT(result != NULL);
-
- while (len-- && out_cnt < (data.length * 2) - 5) {
- int c = (unsigned char) *(data.data++);
- bits += c;
- char_count++;
- if (char_count == 3) {
- result[out_cnt++] = b64[bits >> 18];
- result[out_cnt++] = b64[(bits >> 12) & 0x3f];
- result[out_cnt++] = b64[(bits >> 6) & 0x3f];
- result[out_cnt++] = b64[bits & 0x3f];
- bits = 0;
- char_count = 0;
- } else {
- bits <<= 8;
- }
- }
- if (char_count != 0) {
- bits <<= 16 - (8 * char_count);
- result[out_cnt++] = b64[bits >> 18];
- result[out_cnt++] = b64[(bits >> 12) & 0x3f];
- if (char_count == 1) {
- result[out_cnt++] = '=';
- result[out_cnt++] = '=';
- } else {
- result[out_cnt++] = b64[(bits >> 6) & 0x3f];
- result[out_cnt++] = '=';
- }
- }
- result[out_cnt] = '\0'; /* terminate */
- return result;
-}
-
/* read a SMB_BIG_UINT from a string */
-SMB_BIG_UINT STR_TO_SMB_BIG_UINT(const char *nptr, const char **entptr)
+uint64_t STR_TO_SMB_BIG_UINT(const char *nptr, const char **entptr)
{
- SMB_BIG_UINT val = -1;
+ uint64_t val = (uint64_t)-1;
const char *p = nptr;
if (!p) {
while (*p && isspace(*p))
p++;
-#ifdef LARGE_SMB_OFF_T
- sscanf(p,"%llu",&val);
-#else /* LARGE_SMB_OFF_T */
- sscanf(p,"%lu",&val);
-#endif /* LARGE_SMB_OFF_T */
+ sscanf(p,"%"PRIu64,&val);
if (entptr) {
while (*p && isdigit(*p))
p++;
*/
SMB_OFF_T conv_str_size(const char * str)
{
+ SMB_OFF_T lval_orig;
SMB_OFF_T lval;
char * end;
#ifdef HAVE_STRTOULL
if (sizeof(SMB_OFF_T) == 8) {
- lval = strtoull(str, &end, 10 /* base */);
+ lval = strtoull(str, &end, 10 /* base */);
} else {
- lval = strtoul(str, &end, 10 /* base */);
+ lval = strtoul(str, &end, 10 /* base */);
}
#else
lval = strtoul(str, &end, 10 /* base */);
return 0;
}
- if (*end) {
- SMB_OFF_T lval_orig = lval;
-
- if (strwicmp(end, "K") == 0) {
- lval *= (SMB_OFF_T)1024;
- } else if (strwicmp(end, "M") == 0) {
- lval *= ((SMB_OFF_T)1024 * (SMB_OFF_T)1024);
- } else if (strwicmp(end, "G") == 0) {
- lval *= ((SMB_OFF_T)1024 * (SMB_OFF_T)1024 *
- (SMB_OFF_T)1024);
- } else if (strwicmp(end, "T") == 0) {
- lval *= ((SMB_OFF_T)1024 * (SMB_OFF_T)1024 *
- (SMB_OFF_T)1024 * (SMB_OFF_T)1024);
- } else if (strwicmp(end, "P") == 0) {
- lval *= ((SMB_OFF_T)1024 * (SMB_OFF_T)1024 *
- (SMB_OFF_T)1024 * (SMB_OFF_T)1024 *
- (SMB_OFF_T)1024);
- } else {
- return 0;
- }
-
- /* Primitive attempt to detect wrapping on platforms with
- * 4-byte SMB_OFF_T. It's better to let the caller handle
- * a failure than some random number.
- */
- if (lval_orig <= lval) {
- return 0;
- }
- }
+ if (*end == '\0') {
+ return lval;
+ }
+
+ lval_orig = lval;
+
+ if (strwicmp(end, "K") == 0) {
+ lval *= (SMB_OFF_T)1024;
+ } else if (strwicmp(end, "M") == 0) {
+ lval *= ((SMB_OFF_T)1024 * (SMB_OFF_T)1024);
+ } else if (strwicmp(end, "G") == 0) {
+ lval *= ((SMB_OFF_T)1024 * (SMB_OFF_T)1024 *
+ (SMB_OFF_T)1024);
+ } else if (strwicmp(end, "T") == 0) {
+ lval *= ((SMB_OFF_T)1024 * (SMB_OFF_T)1024 *
+ (SMB_OFF_T)1024 * (SMB_OFF_T)1024);
+ } else if (strwicmp(end, "P") == 0) {
+ lval *= ((SMB_OFF_T)1024 * (SMB_OFF_T)1024 *
+ (SMB_OFF_T)1024 * (SMB_OFF_T)1024 *
+ (SMB_OFF_T)1024);
+ } else {
+ return 0;
+ }
+
+ /*
+ * Primitive attempt to detect wrapping on platforms with
+ * 4-byte SMB_OFF_T. It's better to let the caller handle a
+ * failure than some random number.
+ */
+ if (lval_orig <= lval) {
+ return 0;
+ }
return lval;
}
if (*left == NULL) {
*left = (char *)SMB_MALLOC(new_len);
+ if (*left == NULL) {
+ return;
+ }
*left[0] = '\0';
} else {
new_len += strlen(*left);
safe_strcat(*left, right, new_len-1);
}
-bool add_string_to_array(TALLOC_CTX *mem_ctx,
- const char *str, const char ***strings,
- int *num)
-{
- char *dup_str = talloc_strdup(mem_ctx, str);
-
- *strings = TALLOC_REALLOC_ARRAY(mem_ctx, *strings,
- const char *, (*num)+1);
-
- if ((*strings == NULL) || (dup_str == NULL)) {
- *num = 0;
- return false;
- }
-
- (*strings)[*num] = dup_str;
- *num += 1;
- return true;
-}
-
/* Append an sprintf'ed string. Double buffer size on demand. Usable without
* error checking in between. The indiation that something weird happened is
* string==NULL */
*string = NULL;
}
+/*
+ * asprintf into a string and strupper_m it after that.
+ */
+
+int asprintf_strupper_m(char **strp, const char *fmt, ...)
+{
+ va_list ap;
+ char *result;
+ int ret;
+
+ va_start(ap, fmt);
+ ret = vasprintf(&result, fmt, ap);
+ va_end(ap);
+
+ if (ret == -1)
+ return -1;
+
+ strupper_m(result);
+ *strp = result;
+ return ret;
+}
+
+char *talloc_asprintf_strupper_m(TALLOC_CTX *t, const char *fmt, ...)
+{
+ va_list ap;
+ char *ret;
+
+ va_start(ap, fmt);
+ ret = talloc_vasprintf(t, fmt, ap);
+ va_end(ap);
+
+ if (ret == NULL) {
+ return NULL;
+ }
+ strupper_m(ret);
+ return ret;
+}
+
+char *talloc_asprintf_strlower_m(TALLOC_CTX *t, const char *fmt, ...)
+{
+ va_list ap;
+ char *ret;
+
+ va_start(ap, fmt);
+ ret = talloc_vasprintf(t, fmt, ap);
+ va_end(ap);
+
+ if (ret == NULL) {
+ return NULL;
+ }
+ strlower_m(ret);
+ return ret;
+}
+
+
/*
Returns the substring from src between the first occurrence of
the char "front" and the first occurence of the char "back".
{
int i;
+ if (!name) {
+ return false;
+ }
+
for ( i=0; i<max_len && name[i]; i++ ) {
/* fail if strchr_m() finds one of the invalid characters */
if ( name[i] && strchr_m( invalid_chars, name[i] ) ) {
}
-/**
-return the number of bytes occupied by a buffer in ASCII format
-the result includes the null termination
-limited by 'n' bytes
-**/
-size_t ascii_len_n(const char *src, size_t n)
-{
- size_t len;
-
- len = strnlen(src, n);
- if (len+1 <= n) {
- len += 1;
- }
-
- return len;
-}
-
-/**
-return the number of bytes occupied by a buffer in CH_UTF16 format
-the result includes the null termination
-**/
-size_t utf16_len(const void *buf)
-{
- size_t len;
-
- for (len = 0; SVAL(buf,len); len += 2) ;
-
- return len + 2;
-}
-
-/**
-return the number of bytes occupied by a buffer in CH_UTF16 format
-the result includes the null termination
-limited by 'n' bytes
-**/
-size_t utf16_len_n(const void *src, size_t n)
-{
- size_t len;
-
- for (len = 0; (len+2 < n) && SVAL(src, len); len += 2) ;
-
- if (len+2 <= n) {
- len += 2;
- }
-
- return len;
-}
-
/*******************************************************************
Add a shell escape character '\' to any character not in a known list
of characters. UNIX charset format.
*dest++ = '\0';
return ret;
}
+
+/***************************************************
+ str_list_make, v3 version. The v4 version does not
+ look at quoted strings with embedded blanks, so
+ do NOT merge this function please!
+***************************************************/
+
+#define S_LIST_ABS 16 /* List Allocation Block Size */
+
+char **str_list_make_v3(TALLOC_CTX *mem_ctx, const char *string,
+ const char *sep)
+{
+ char **list;
+ const char *str;
+ char *s, *tok;
+ int num, lsize;
+
+ if (!string || !*string)
+ return NULL;
+
+ list = TALLOC_ARRAY(mem_ctx, char *, S_LIST_ABS+1);
+ if (list == NULL) {
+ return NULL;
+ }
+ lsize = S_LIST_ABS;
+
+ s = talloc_strdup(list, string);
+ if (s == NULL) {
+ DEBUG(0,("str_list_make: Unable to allocate memory"));
+ TALLOC_FREE(list);
+ return NULL;
+ }
+ if (!sep) sep = LIST_SEP;
+
+ num = 0;
+ str = s;
+
+ while (next_token_talloc(list, &str, &tok, sep)) {
+
+ if (num == lsize) {
+ char **tmp;
+
+ lsize += S_LIST_ABS;
+
+ tmp = TALLOC_REALLOC_ARRAY(mem_ctx, list, char *,
+ lsize + 1);
+ if (tmp == NULL) {
+ DEBUG(0,("str_list_make: "
+ "Unable to allocate memory"));
+ TALLOC_FREE(list);
+ return NULL;
+ }
+
+ list = tmp;
+
+ memset (&list[num], 0,
+ ((sizeof(char**)) * (S_LIST_ABS +1)));
+ }
+
+ list[num] = tok;
+ num += 1;
+ }
+
+ list[num] = NULL;
+
+ TALLOC_FREE(s);
+ return list;
+}
+
+char *sanitize_username(TALLOC_CTX *mem_ctx, const char *username)
+{
+ fstring tmp;
+
+ alpha_strcpy(tmp, username, ". _-$", sizeof(tmp));
+ return talloc_strdup(mem_ctx, tmp);
+}