struct qparam_set *
new_qparam_set (int init_alloc, ...)
{
va_list args;
struct qparam_set *ps;
const char *pname, *pvalue;
if (init_alloc <= 0) init_alloc = 1;
if (VIR_ALLOC(ps) < 0) {
virReportOOMError();
return NULL;
}
ps->n = 0;
ps->alloc = init_alloc;
if (VIR_ALLOC_N(ps->p, ps->alloc) < 0) {
VIR_FREE (ps);
virReportOOMError();
return NULL;
}
va_start (args, init_alloc);
while ((pname = va_arg (args, char *)) != NULL) {
pvalue = va_arg (args, char *);
if (append_qparam (ps, pname, pvalue) == -1) {
free_qparam_set (ps);
ps = NULL;
break;
}
}
va_end (args);
return ps;
}
int
xenapiUtil_ParseQuery(virConnectPtr conn, xmlURIPtr uri, int *noVerify)
{
int result = 0;
int i;
struct qparam_set *queryParamSet = NULL;
struct qparam *queryParam = NULL;
#ifdef HAVE_XMLURI_QUERY_RAW
queryParamSet = qparam_query_parse(uri->query_raw);
#else
queryParamSet = qparam_query_parse(uri->query);
#endif
if (queryParamSet == NULL) {
goto failure;
}
for (i = 0; i < queryParamSet->n; i++) {
queryParam = &queryParamSet->p[i];
if (STRCASEEQ(queryParam->name, "no_verify")) {
if (noVerify == NULL) {
continue;
}
if (virStrToLong_i(queryParam->value, NULL, 10, noVerify) < 0 ||
(*noVerify != 0 && *noVerify != 1)) {
xenapiSessionErrorHandler(conn, VIR_ERR_INVALID_ARG,
_("Query parameter 'no_verify' has unexpected value (should be 0 or 1)"));
goto failure;
}
}
}
cleanup:
if (queryParamSet != NULL) {
free_qparam_set(queryParamSet);
}
return result;
failure:
result = -1;
goto cleanup;
}
struct qparam_set *
qparam_query_parse (const char *query)
{
struct qparam_set *ps;
const char *end, *eq;
ps = new_qparam_set (0, NULL);
if (!ps) {
virReportOOMError();
return NULL;
}
if (!query || query[0] == '\0') return ps;
while (*query) {
char *name = NULL, *value = NULL;
/* Find the next separator, or end of the string. */
end = strchr (query, '&');
if (!end)
end = strchr (query, ';');
if (!end)
end = query + strlen (query);
/* Find the first '=' character between here and end. */
eq = strchr (query, '=');
if (eq && eq >= end) eq = NULL;
/* Empty section (eg. "&&"). */
if (end == query)
goto next;
/* If there is no '=' character, then we have just "name"
* and consistent with CGI.pm we assume value is "".
*/
else if (!eq) {
name = xmlURIUnescapeString (query, end - query, NULL);
if (!name) goto out_of_memory;
}
/* Or if we have "name=" here (works around annoying
* problem when calling xmlURIUnescapeString with len = 0).
*/
else if (eq+1 == end) {
name = xmlURIUnescapeString (query, eq - query, NULL);
if (!name) goto out_of_memory;
}
/* If the '=' character is at the beginning then we have
* "=value" and consistent with CGI.pm we _ignore_ this.
*/
else if (query == eq)
goto next;
/* Otherwise it's "name=value". */
else {
name = xmlURIUnescapeString (query, eq - query, NULL);
if (!name)
goto out_of_memory;
value = xmlURIUnescapeString (eq+1, end - (eq+1), NULL);
if (!value) {
VIR_FREE(name);
goto out_of_memory;
}
}
/* Append to the parameter set. */
if (append_qparam (ps, name, value ? value : "") == -1) {
VIR_FREE(name);
VIR_FREE(value);
goto out_of_memory;
}
VIR_FREE(name);
VIR_FREE(value);
next:
query = end;
if (*query) query ++; /* skip '&' separator */
}
return ps;
out_of_memory:
virReportOOMError();
free_qparam_set (ps);
return NULL;
}
