static void zend_accel_blacklist_update_regexp(zend_blacklist *blacklist)
{
int i, end=0, j, rlen=6, clen, reg_err;
char *regexp;
zend_regexp_list **regexp_list_it, *it;
if (blacklist->pos == 0) {
/* we have no blacklist to talk about */
return;
}
regexp_list_it = &(blacklist->regexp_list);
for (i=0; i<blacklist->pos; i++) {
rlen += blacklist->entries[i].path_length*2+2;
/* don't create a regexp buffer bigger than 12K)*/
if((i+1 == blacklist->pos) || ((rlen+blacklist->entries[i+1].path_length*2+2)>(12*1024) ) ) {
regexp = (char *)malloc(rlen);
if (!regexp) {
zend_accel_error(ACCEL_LOG_ERROR, "malloc() failed\n");
return;
}
regexp[0] = '^';
regexp[1] = '(';
clen=2;
for (j=end; j<=i ;j++) {
int c;
if (j!=end) {
regexp[clen++] = '|';
}
/* copy mangled filename */
for(c=0; c<blacklist->entries[j].path_length; c++) {
if(strchr("^.[]$()|*+?{}\\", blacklist->entries[j].path[c])) {
regexp[clen++] = '\\';
}
regexp[clen++] = blacklist->entries[j].path[c];
}
}
regexp[clen++] = ')';
regexp[clen] = '\0';
it = (zend_regexp_list*)malloc(sizeof(zend_regexp_list));
if (!it) {
zend_accel_error(ACCEL_LOG_ERROR, "malloc() failed\n");
return;
}
it->next = NULL;
if ((reg_err = regcomp(&it->comp_regex, regexp, REGEX_MODE)) != 0) {
blacklist_report_regexp_error(&it->comp_regex, reg_err);
}
/* prepare for the next iteration */
free(regexp);
end = i+1;
rlen = 6;
*regexp_list_it = it;
regexp_list_it = &it->next;
}
}
}
static void zend_accel_blacklist_update_regexp(zend_blacklist *blacklist)
{
int i, reg_err;
zend_regexp_list **regexp_list_it, *it;
char regexp[12*1024], *p, *end, *c, *backtrack = NULL;
if (blacklist->pos == 0) {
/* we have no blacklist to talk about */
return;
}
regexp_list_it = &(blacklist->regexp_list);
regexp[0] = '^';
regexp[1] = '(';
p = regexp + 2;
end = regexp + sizeof(regexp) - sizeof("[^\\\\]*)\0");
for (i = 0; i < blacklist->pos; ) {
c = blacklist->entries[i].path;
if (p + blacklist->entries[i].path_length < end) {
while (*c && p < end) {
switch (*c) {
case '?':
c++;
#ifdef ZEND_WIN32
p[0] = '['; /* * => [^\\] on Win32 */
p[1] = '^';
p[2] = '\\';
p[3] = '\\';
p[4] = ']';
p += 5;
#else
p[0] = '['; /* * => [^/] on *nix */
p[1] = '^';
p[2] = '/';
p[3] = ']';
p += 4;
#endif
break;
case '*':
c++;
if (*c == '*') {
c++;
p[0] = '.'; /* ** => .* */
p[1] = '*';
p += 2;
} else {
#ifdef ZEND_WIN32
p[0] = '['; /* * => [^\\]* on Win32 */
p[1] = '^';
p[2] = '\\';
p[3] = '\\';
p[4] = ']';
p[5] = '*';
p += 6;
#else
p[0] = '['; /* * => [^/]* on *nix */
p[1] = '^';
p[2] = '/';
p[3] = ']';
p[4] = '*';
p += 5;
#endif
}
break;
case '^':
case '.':
case '[':
case ']':
case '$':
case '(':
case ')':
case '|':
case '+':
case '{':
case '}':
case '\\':
*p++ = '\\';
/* break missing intentionally */
default:
*p++ = *c++;
}
}
}
if (*c || i == blacklist->pos - 1) {
if (*c) {
if (!backtrack) {
zend_accel_error(ACCEL_LOG_ERROR, "Too long blacklist entry\n");
}
p = backtrack;
} else {
i++;
}
*p++ = ')';
*p++ = '\0';
it = (zend_regexp_list*)malloc(sizeof(zend_regexp_list));
if (!it) {
zend_accel_error(ACCEL_LOG_ERROR, "malloc() failed\n");
return;
}
it->next = NULL;
if ((reg_err = regcomp(&it->comp_regex, regexp, REGEX_MODE)) != 0) {
blacklist_report_regexp_error(&it->comp_regex, reg_err);
}
/* prepare for the next iteration */
p = regexp + 2;
*regexp_list_it = it;
regexp_list_it = &it->next;
} else {
backtrack = p;
*p++ = '|';
i++;
}
}
}
