/*
* match version against a regular expression
*/
static int match_version(apr_pool_t *pool, char *version_string,
const char **error)
{
regex_t *compiled;
const char *to_match;
int rc;
compiled = ap_pregcomp(pool, version_string, REG_EXTENDED);
if (!compiled) {
*error = "Unable to compile regular expression";
return 0;
}
*error = NULL;
to_match = apr_psprintf(pool, "%d.%d.%d%s",
httpd_version.major,
httpd_version.minor,
httpd_version.patch,
httpd_version.add_string);
rc = !ap_regexec(compiled, to_match, 0, NULL, 0);
ap_pregfree(pool, compiled);
return rc;
}
extern apr_status_t check_regular_expression(request_rec *r, char *haystack, char *needle) {
ap_regex_t *regexp = (ap_regex_t *)NULL;
ap_regmatch_t regmatch[AP_MAX_REG_MATCH];
// Validation Check
if (haystack == (char *)NULL) { return DECLINED; }
if (needle == (char *)NULL) { return DECLINED; }
if (strlen(haystack) > 0) {
regexp = (ap_regex_t *)ap_pregcomp(r->pool, (const char *)haystack, REG_EXTENDED|REG_ICASE);
if (regexp != (ap_regex_t *)NULL &&
ap_regexec(regexp, (const char*)needle, regexp->re_nsub + 1, regmatch, 0) == 0) {
ap_pregfree(r->pool, regexp);
return APR_SUCCESS;
}
ap_pregfree(r->pool, regexp);
}
return DECLINED;
}
static apr_status_t parse_request_uri(request_rec *r, char **uri, char **size)
{
int nmatch = 10;
ap_regmatch_t match[nmatch];
ap_regex_t *reg;
reg = ap_pregcomp(r->pool, "^/(original|large|medium|small)/(.*)$",
AP_REG_EXTENDED);
if (ap_regexec(reg, r->unparsed_uri, nmatch, match, 0) == 0) {
*size = ap_pregsub(r->pool, "$1", r->unparsed_uri, nmatch, match);
*uri = ap_pregsub(r->pool, "$2", r->unparsed_uri, nmatch, match);
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
"Parse URI: %s, %s", *size, *uri);
ap_pregfree(r->pool, reg);
return APR_SUCCESS;
}
else {
return APR_EGENERAL;
}
}
