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@@ -0,0 +1,723 @@
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+/* netinfo.c -- generated by Trunnel v1.5.2.
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+ * https://gitweb.torproject.org/trunnel.git
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+ * You probably shouldn't edit this file.
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+ */
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+#include <stdlib.h>
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+#include "trunnel-impl.h"
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+
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+#include "netinfo.h"
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+
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+#define TRUNNEL_SET_ERROR_CODE(obj) \
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+ do { \
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+ (obj)->trunnel_error_code_ = 1; \
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+ } while (0)
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+
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+#if defined(__COVERITY__) || defined(__clang_analyzer__)
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+/* If we're running a static analysis tool, we don't want it to complain
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+ * that some of our remaining-bytes checks are dead-code. */
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+int netinfo_deadcode_dummy__ = 0;
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+#define OR_DEADCODE_DUMMY || netinfo_deadcode_dummy__
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+#else
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+#define OR_DEADCODE_DUMMY
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+#endif
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+
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+#define CHECK_REMAINING(nbytes, label) \
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+ do { \
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+ if (remaining < (nbytes) OR_DEADCODE_DUMMY) { \
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+ goto label; \
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+ } \
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+ } while (0)
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+
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+netinfo_addr_t *
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+netinfo_addr_new(void)
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+{
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+ netinfo_addr_t *val = trunnel_calloc(1, sizeof(netinfo_addr_t));
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+ if (NULL == val)
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+ return NULL;
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+ return val;
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+}
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+
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+/** Release all storage held inside 'obj', but do not free 'obj'.
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+ */
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+static void
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+netinfo_addr_clear(netinfo_addr_t *obj)
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+{
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+ (void) obj;
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+}
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+
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+void
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+netinfo_addr_free(netinfo_addr_t *obj)
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+{
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+ if (obj == NULL)
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+ return;
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+ netinfo_addr_clear(obj);
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+ trunnel_memwipe(obj, sizeof(netinfo_addr_t));
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+ trunnel_free_(obj);
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+}
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+
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+uint8_t
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+netinfo_addr_get_addr_type(const netinfo_addr_t *inp)
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+{
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+ return inp->addr_type;
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+}
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+int
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+netinfo_addr_set_addr_type(netinfo_addr_t *inp, uint8_t val)
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+{
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+ inp->addr_type = val;
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+ return 0;
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+}
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+uint8_t
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+netinfo_addr_get_len(const netinfo_addr_t *inp)
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+{
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+ return inp->len;
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+}
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+int
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+netinfo_addr_set_len(netinfo_addr_t *inp, uint8_t val)
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+{
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+ inp->len = val;
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+ return 0;
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+}
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+uint32_t
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+netinfo_addr_get_addr_ipv4(const netinfo_addr_t *inp)
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+{
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+ return inp->addr_ipv4;
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+}
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+int
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+netinfo_addr_set_addr_ipv4(netinfo_addr_t *inp, uint32_t val)
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+{
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+ inp->addr_ipv4 = val;
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+ return 0;
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+}
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+size_t
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+netinfo_addr_getlen_addr_ipv6(const netinfo_addr_t *inp)
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+{
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+ (void)inp; return 16;
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+}
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+
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+uint8_t
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+netinfo_addr_get_addr_ipv6(netinfo_addr_t *inp, size_t idx)
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+{
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+ trunnel_assert(idx < 16);
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+ return inp->addr_ipv6[idx];
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+}
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+
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+uint8_t
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+netinfo_addr_getconst_addr_ipv6(const netinfo_addr_t *inp, size_t idx)
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+{
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+ return netinfo_addr_get_addr_ipv6((netinfo_addr_t*)inp, idx);
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+}
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+int
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+netinfo_addr_set_addr_ipv6(netinfo_addr_t *inp, size_t idx, uint8_t elt)
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+{
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+ trunnel_assert(idx < 16);
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+ inp->addr_ipv6[idx] = elt;
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+ return 0;
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+}
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+
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+uint8_t *
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+netinfo_addr_getarray_addr_ipv6(netinfo_addr_t *inp)
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+{
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+ return inp->addr_ipv6;
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+}
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+const uint8_t *
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+netinfo_addr_getconstarray_addr_ipv6(const netinfo_addr_t *inp)
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+{
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+ return (const uint8_t *)netinfo_addr_getarray_addr_ipv6((netinfo_addr_t*)inp);
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+}
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+const char *
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+netinfo_addr_check(const netinfo_addr_t *obj)
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+{
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+ if (obj == NULL)
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+ return "Object was NULL";
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+ if (obj->trunnel_error_code_)
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+ return "A set function failed on this object";
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+ switch (obj->addr_type) {
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+
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+ case NETINFO_ADDR_TYPE_IPV4:
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+ break;
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+
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+ case NETINFO_ADDR_TYPE_IPV6:
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+ break;
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+
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+ default:
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+ break;
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+ }
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+ return NULL;
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+}
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+
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+ssize_t
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+netinfo_addr_encoded_len(const netinfo_addr_t *obj)
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+{
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+ ssize_t result = 0;
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+
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+ if (NULL != netinfo_addr_check(obj))
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+ return -1;
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+
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+
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+ /* Length of u8 addr_type */
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+ result += 1;
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+
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+ /* Length of u8 len */
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+ result += 1;
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+ switch (obj->addr_type) {
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+
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+ case NETINFO_ADDR_TYPE_IPV4:
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+
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+ /* Length of u32 addr_ipv4 */
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+ result += 4;
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+ break;
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+
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+ case NETINFO_ADDR_TYPE_IPV6:
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+
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+ /* Length of u8 addr_ipv6[16] */
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+ result += 16;
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+ break;
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+
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+ default:
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+ break;
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+ }
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+ return result;
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+}
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+int
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+netinfo_addr_clear_errors(netinfo_addr_t *obj)
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+{
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+ int r = obj->trunnel_error_code_;
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+ obj->trunnel_error_code_ = 0;
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+ return r;
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+}
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+ssize_t
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+netinfo_addr_encode(uint8_t *output, const size_t avail, const netinfo_addr_t *obj)
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+{
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+ ssize_t result = 0;
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+ size_t written = 0;
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+ uint8_t *ptr = output;
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+ const char *msg;
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+#ifdef TRUNNEL_CHECK_ENCODED_LEN
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+ const ssize_t encoded_len = netinfo_addr_encoded_len(obj);
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+#endif
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+
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+ uint8_t *backptr_len = NULL;
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+
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+ if (NULL != (msg = netinfo_addr_check(obj)))
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+ goto check_failed;
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+
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+#ifdef TRUNNEL_CHECK_ENCODED_LEN
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+ trunnel_assert(encoded_len >= 0);
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+#endif
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+
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+ /* Encode u8 addr_type */
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+ trunnel_assert(written <= avail);
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+ if (avail - written < 1)
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+ goto truncated;
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+ trunnel_set_uint8(ptr, (obj->addr_type));
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+ written += 1; ptr += 1;
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+
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+ /* Encode u8 len */
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+ backptr_len = ptr;
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+ trunnel_assert(written <= avail);
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+ if (avail - written < 1)
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+ goto truncated;
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+ trunnel_set_uint8(ptr, (obj->len));
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+ written += 1; ptr += 1;
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+ {
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+ size_t written_before_union = written;
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+
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+ /* Encode union addr[addr_type] */
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+ trunnel_assert(written <= avail);
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+ switch (obj->addr_type) {
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+
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+ case NETINFO_ADDR_TYPE_IPV4:
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+
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+ /* Encode u32 addr_ipv4 */
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+ trunnel_assert(written <= avail);
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+ if (avail - written < 4)
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+ goto truncated;
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+ trunnel_set_uint32(ptr, trunnel_htonl(obj->addr_ipv4));
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+ written += 4; ptr += 4;
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+ break;
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+
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+ case NETINFO_ADDR_TYPE_IPV6:
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+
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+ /* Encode u8 addr_ipv6[16] */
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+ trunnel_assert(written <= avail);
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+ if (avail - written < 16)
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+ goto truncated;
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+ memcpy(ptr, obj->addr_ipv6, 16);
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+ written += 16; ptr += 16;
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+ break;
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+
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+ default:
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+ break;
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+ }
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+ /* Write the length field back to len */
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+ trunnel_assert(written >= written_before_union);
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+#if UINT8_MAX < SIZE_MAX
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+ if (written - written_before_union > UINT8_MAX)
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+ goto check_failed;
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+#endif
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+ trunnel_set_uint8(backptr_len, (written - written_before_union));
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+ }
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+
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+
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+ trunnel_assert(ptr == output + written);
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+#ifdef TRUNNEL_CHECK_ENCODED_LEN
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+ {
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+ trunnel_assert(encoded_len >= 0);
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+ trunnel_assert((size_t)encoded_len == written);
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+ }
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+
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+#endif
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+
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+ return written;
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+
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+ truncated:
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+ result = -2;
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+ goto fail;
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+ check_failed:
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+ (void)msg;
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+ result = -1;
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+ goto fail;
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+ fail:
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+ trunnel_assert(result < 0);
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+ return result;
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+}
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+
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+/** As netinfo_addr_parse(), but do not allocate the output object.
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+ */
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+static ssize_t
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+netinfo_addr_parse_into(netinfo_addr_t *obj, const uint8_t *input, const size_t len_in)
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+{
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+ const uint8_t *ptr = input;
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+ size_t remaining = len_in;
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+ ssize_t result = 0;
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+ (void)result;
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+
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+ /* Parse u8 addr_type */
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+ CHECK_REMAINING(1, truncated);
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+ obj->addr_type = (trunnel_get_uint8(ptr));
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+ remaining -= 1; ptr += 1;
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+
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+ /* Parse u8 len */
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+ CHECK_REMAINING(1, truncated);
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+ obj->len = (trunnel_get_uint8(ptr));
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+ remaining -= 1; ptr += 1;
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+ {
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+ size_t remaining_after;
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+ CHECK_REMAINING(obj->len, truncated);
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+ remaining_after = remaining - obj->len;
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+ remaining = obj->len;
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+
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+ /* Parse union addr[addr_type] */
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+ switch (obj->addr_type) {
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+
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+ case NETINFO_ADDR_TYPE_IPV4:
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+
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+ /* Parse u32 addr_ipv4 */
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+ CHECK_REMAINING(4, fail);
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+ obj->addr_ipv4 = trunnel_ntohl(trunnel_get_uint32(ptr));
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+ remaining -= 4; ptr += 4;
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+ break;
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+
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+ case NETINFO_ADDR_TYPE_IPV6:
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+
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+ /* Parse u8 addr_ipv6[16] */
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+ CHECK_REMAINING(16, fail);
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+ memcpy(obj->addr_ipv6, ptr, 16);
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+ remaining -= 16; ptr += 16;
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+ break;
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+
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+ default:
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+ /* Skip to end of union */
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+ ptr += remaining; remaining = 0;
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+ break;
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+ }
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+ if (remaining != 0)
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+ goto fail;
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+ remaining = remaining_after;
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+ }
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+ trunnel_assert(ptr + remaining == input + len_in);
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+ return len_in - remaining;
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+
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+ truncated:
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+ return -2;
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+ fail:
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+ result = -1;
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+ return result;
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+}
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+
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+ssize_t
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+netinfo_addr_parse(netinfo_addr_t **output, const uint8_t *input, const size_t len_in)
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+{
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+ ssize_t result;
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+ *output = netinfo_addr_new();
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+ if (NULL == *output)
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+ return -1;
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+ result = netinfo_addr_parse_into(*output, input, len_in);
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+ if (result < 0) {
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+ netinfo_addr_free(*output);
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+ *output = NULL;
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+ }
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+ return result;
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+}
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+netinfo_cell_t *
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+netinfo_cell_new(void)
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+{
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+ netinfo_cell_t *val = trunnel_calloc(1, sizeof(netinfo_cell_t));
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+ if (NULL == val)
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+ return NULL;
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+ return val;
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+}
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+
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+/** Release all storage held inside 'obj', but do not free 'obj'.
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+ */
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+static void
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+netinfo_cell_clear(netinfo_cell_t *obj)
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+{
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+ (void) obj;
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+ netinfo_addr_free(obj->other_addr);
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+ obj->other_addr = NULL;
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+ {
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+
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+ unsigned idx;
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+ for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->my_addrs); ++idx) {
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+ netinfo_addr_free(TRUNNEL_DYNARRAY_GET(&obj->my_addrs, idx));
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+ }
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+ }
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+ TRUNNEL_DYNARRAY_WIPE(&obj->my_addrs);
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+ TRUNNEL_DYNARRAY_CLEAR(&obj->my_addrs);
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+}
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+
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+void
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+netinfo_cell_free(netinfo_cell_t *obj)
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+{
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+ if (obj == NULL)
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+ return;
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+ netinfo_cell_clear(obj);
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+ trunnel_memwipe(obj, sizeof(netinfo_cell_t));
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+ trunnel_free_(obj);
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+}
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+
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+uint32_t
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+netinfo_cell_get_timestamp(const netinfo_cell_t *inp)
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+{
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+ return inp->timestamp;
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+}
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+int
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+netinfo_cell_set_timestamp(netinfo_cell_t *inp, uint32_t val)
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+{
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+ inp->timestamp = val;
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+ return 0;
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+}
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+struct netinfo_addr_st *
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+netinfo_cell_get_other_addr(netinfo_cell_t *inp)
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+{
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+ return inp->other_addr;
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+}
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+const struct netinfo_addr_st *
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+netinfo_cell_getconst_other_addr(const netinfo_cell_t *inp)
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+{
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+ return netinfo_cell_get_other_addr((netinfo_cell_t*) inp);
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+}
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+int
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+netinfo_cell_set_other_addr(netinfo_cell_t *inp, struct netinfo_addr_st *val)
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+{
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+ if (inp->other_addr && inp->other_addr != val)
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+ netinfo_addr_free(inp->other_addr);
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+ return netinfo_cell_set0_other_addr(inp, val);
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+}
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+int
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+netinfo_cell_set0_other_addr(netinfo_cell_t *inp, struct netinfo_addr_st *val)
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+{
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+ inp->other_addr = val;
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+uint8_t
|
|
|
+netinfo_cell_get_n_my_addrs(const netinfo_cell_t *inp)
|
|
|
+{
|
|
|
+ return inp->n_my_addrs;
|
|
|
+}
|
|
|
+int
|
|
|
+netinfo_cell_set_n_my_addrs(netinfo_cell_t *inp, uint8_t val)
|
|
|
+{
|
|
|
+ inp->n_my_addrs = val;
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+size_t
|
|
|
+netinfo_cell_getlen_my_addrs(const netinfo_cell_t *inp)
|
|
|
+{
|
|
|
+ return TRUNNEL_DYNARRAY_LEN(&inp->my_addrs);
|
|
|
+}
|
|
|
+
|
|
|
+struct netinfo_addr_st *
|
|
|
+netinfo_cell_get_my_addrs(netinfo_cell_t *inp, size_t idx)
|
|
|
+{
|
|
|
+ return TRUNNEL_DYNARRAY_GET(&inp->my_addrs, idx);
|
|
|
+}
|
|
|
+
|
|
|
+ const struct netinfo_addr_st *
|
|
|
+netinfo_cell_getconst_my_addrs(const netinfo_cell_t *inp, size_t idx)
|
|
|
+{
|
|
|
+ return netinfo_cell_get_my_addrs((netinfo_cell_t*)inp, idx);
|
|
|
+}
|
|
|
+int
|
|
|
+netinfo_cell_set_my_addrs(netinfo_cell_t *inp, size_t idx, struct netinfo_addr_st * elt)
|
|
|
+{
|
|
|
+ netinfo_addr_t *oldval = TRUNNEL_DYNARRAY_GET(&inp->my_addrs, idx);
|
|
|
+ if (oldval && oldval != elt)
|
|
|
+ netinfo_addr_free(oldval);
|
|
|
+ return netinfo_cell_set0_my_addrs(inp, idx, elt);
|
|
|
+}
|
|
|
+int
|
|
|
+netinfo_cell_set0_my_addrs(netinfo_cell_t *inp, size_t idx, struct netinfo_addr_st * elt)
|
|
|
+{
|
|
|
+ TRUNNEL_DYNARRAY_SET(&inp->my_addrs, idx, elt);
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+int
|
|
|
+netinfo_cell_add_my_addrs(netinfo_cell_t *inp, struct netinfo_addr_st * elt)
|
|
|
+{
|
|
|
+#if SIZE_MAX >= UINT8_MAX
|
|
|
+ if (inp->my_addrs.n_ == UINT8_MAX)
|
|
|
+ goto trunnel_alloc_failed;
|
|
|
+#endif
|
|
|
+ TRUNNEL_DYNARRAY_ADD(struct netinfo_addr_st *, &inp->my_addrs, elt, {});
|
|
|
+ return 0;
|
|
|
+ trunnel_alloc_failed:
|
|
|
+ TRUNNEL_SET_ERROR_CODE(inp);
|
|
|
+ return -1;
|
|
|
+}
|
|
|
+
|
|
|
+struct netinfo_addr_st * *
|
|
|
+netinfo_cell_getarray_my_addrs(netinfo_cell_t *inp)
|
|
|
+{
|
|
|
+ return inp->my_addrs.elts_;
|
|
|
+}
|
|
|
+const struct netinfo_addr_st * const *
|
|
|
+netinfo_cell_getconstarray_my_addrs(const netinfo_cell_t *inp)
|
|
|
+{
|
|
|
+ return (const struct netinfo_addr_st * const *)netinfo_cell_getarray_my_addrs((netinfo_cell_t*)inp);
|
|
|
+}
|
|
|
+int
|
|
|
+netinfo_cell_setlen_my_addrs(netinfo_cell_t *inp, size_t newlen)
|
|
|
+{
|
|
|
+ struct netinfo_addr_st * *newptr;
|
|
|
+#if UINT8_MAX < SIZE_MAX
|
|
|
+ if (newlen > UINT8_MAX)
|
|
|
+ goto trunnel_alloc_failed;
|
|
|
+#endif
|
|
|
+ newptr = trunnel_dynarray_setlen(&inp->my_addrs.allocated_,
|
|
|
+ &inp->my_addrs.n_, inp->my_addrs.elts_, newlen,
|
|
|
+ sizeof(inp->my_addrs.elts_[0]), (trunnel_free_fn_t) netinfo_addr_free,
|
|
|
+ &inp->trunnel_error_code_);
|
|
|
+ if (newlen != 0 && newptr == NULL)
|
|
|
+ goto trunnel_alloc_failed;
|
|
|
+ inp->my_addrs.elts_ = newptr;
|
|
|
+ return 0;
|
|
|
+ trunnel_alloc_failed:
|
|
|
+ TRUNNEL_SET_ERROR_CODE(inp);
|
|
|
+ return -1;
|
|
|
+}
|
|
|
+const char *
|
|
|
+netinfo_cell_check(const netinfo_cell_t *obj)
|
|
|
+{
|
|
|
+ if (obj == NULL)
|
|
|
+ return "Object was NULL";
|
|
|
+ if (obj->trunnel_error_code_)
|
|
|
+ return "A set function failed on this object";
|
|
|
+ {
|
|
|
+ const char *msg;
|
|
|
+ if (NULL != (msg = netinfo_addr_check(obj->other_addr)))
|
|
|
+ return msg;
|
|
|
+ }
|
|
|
+ {
|
|
|
+ const char *msg;
|
|
|
+
|
|
|
+ unsigned idx;
|
|
|
+ for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->my_addrs); ++idx) {
|
|
|
+ if (NULL != (msg = netinfo_addr_check(TRUNNEL_DYNARRAY_GET(&obj->my_addrs, idx))))
|
|
|
+ return msg;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (TRUNNEL_DYNARRAY_LEN(&obj->my_addrs) != obj->n_my_addrs)
|
|
|
+ return "Length mismatch for my_addrs";
|
|
|
+ return NULL;
|
|
|
+}
|
|
|
+
|
|
|
+ssize_t
|
|
|
+netinfo_cell_encoded_len(const netinfo_cell_t *obj)
|
|
|
+{
|
|
|
+ ssize_t result = 0;
|
|
|
+
|
|
|
+ if (NULL != netinfo_cell_check(obj))
|
|
|
+ return -1;
|
|
|
+
|
|
|
+
|
|
|
+ /* Length of u32 timestamp */
|
|
|
+ result += 4;
|
|
|
+
|
|
|
+ /* Length of struct netinfo_addr other_addr */
|
|
|
+ result += netinfo_addr_encoded_len(obj->other_addr);
|
|
|
+
|
|
|
+ /* Length of u8 n_my_addrs */
|
|
|
+ result += 1;
|
|
|
+
|
|
|
+ /* Length of struct netinfo_addr my_addrs[n_my_addrs] */
|
|
|
+ {
|
|
|
+
|
|
|
+ unsigned idx;
|
|
|
+ for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->my_addrs); ++idx) {
|
|
|
+ result += netinfo_addr_encoded_len(TRUNNEL_DYNARRAY_GET(&obj->my_addrs, idx));
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return result;
|
|
|
+}
|
|
|
+int
|
|
|
+netinfo_cell_clear_errors(netinfo_cell_t *obj)
|
|
|
+{
|
|
|
+ int r = obj->trunnel_error_code_;
|
|
|
+ obj->trunnel_error_code_ = 0;
|
|
|
+ return r;
|
|
|
+}
|
|
|
+ssize_t
|
|
|
+netinfo_cell_encode(uint8_t *output, const size_t avail, const netinfo_cell_t *obj)
|
|
|
+{
|
|
|
+ ssize_t result = 0;
|
|
|
+ size_t written = 0;
|
|
|
+ uint8_t *ptr = output;
|
|
|
+ const char *msg;
|
|
|
+#ifdef TRUNNEL_CHECK_ENCODED_LEN
|
|
|
+ const ssize_t encoded_len = netinfo_cell_encoded_len(obj);
|
|
|
+#endif
|
|
|
+
|
|
|
+ if (NULL != (msg = netinfo_cell_check(obj)))
|
|
|
+ goto check_failed;
|
|
|
+
|
|
|
+#ifdef TRUNNEL_CHECK_ENCODED_LEN
|
|
|
+ trunnel_assert(encoded_len >= 0);
|
|
|
+#endif
|
|
|
+
|
|
|
+ /* Encode u32 timestamp */
|
|
|
+ trunnel_assert(written <= avail);
|
|
|
+ if (avail - written < 4)
|
|
|
+ goto truncated;
|
|
|
+ trunnel_set_uint32(ptr, trunnel_htonl(obj->timestamp));
|
|
|
+ written += 4; ptr += 4;
|
|
|
+
|
|
|
+ /* Encode struct netinfo_addr other_addr */
|
|
|
+ trunnel_assert(written <= avail);
|
|
|
+ result = netinfo_addr_encode(ptr, avail - written, obj->other_addr);
|
|
|
+ if (result < 0)
|
|
|
+ goto fail; /* XXXXXXX !*/
|
|
|
+ written += result; ptr += result;
|
|
|
+
|
|
|
+ /* Encode u8 n_my_addrs */
|
|
|
+ trunnel_assert(written <= avail);
|
|
|
+ if (avail - written < 1)
|
|
|
+ goto truncated;
|
|
|
+ trunnel_set_uint8(ptr, (obj->n_my_addrs));
|
|
|
+ written += 1; ptr += 1;
|
|
|
+
|
|
|
+ /* Encode struct netinfo_addr my_addrs[n_my_addrs] */
|
|
|
+ {
|
|
|
+
|
|
|
+ unsigned idx;
|
|
|
+ for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->my_addrs); ++idx) {
|
|
|
+ trunnel_assert(written <= avail);
|
|
|
+ result = netinfo_addr_encode(ptr, avail - written, TRUNNEL_DYNARRAY_GET(&obj->my_addrs, idx));
|
|
|
+ if (result < 0)
|
|
|
+ goto fail; /* XXXXXXX !*/
|
|
|
+ written += result; ptr += result;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ trunnel_assert(ptr == output + written);
|
|
|
+#ifdef TRUNNEL_CHECK_ENCODED_LEN
|
|
|
+ {
|
|
|
+ trunnel_assert(encoded_len >= 0);
|
|
|
+ trunnel_assert((size_t)encoded_len == written);
|
|
|
+ }
|
|
|
+
|
|
|
+#endif
|
|
|
+
|
|
|
+ return written;
|
|
|
+
|
|
|
+ truncated:
|
|
|
+ result = -2;
|
|
|
+ goto fail;
|
|
|
+ check_failed:
|
|
|
+ (void)msg;
|
|
|
+ result = -1;
|
|
|
+ goto fail;
|
|
|
+ fail:
|
|
|
+ trunnel_assert(result < 0);
|
|
|
+ return result;
|
|
|
+}
|
|
|
+
|
|
|
+/** As netinfo_cell_parse(), but do not allocate the output object.
|
|
|
+ */
|
|
|
+static ssize_t
|
|
|
+netinfo_cell_parse_into(netinfo_cell_t *obj, const uint8_t *input, const size_t len_in)
|
|
|
+{
|
|
|
+ const uint8_t *ptr = input;
|
|
|
+ size_t remaining = len_in;
|
|
|
+ ssize_t result = 0;
|
|
|
+ (void)result;
|
|
|
+
|
|
|
+ /* Parse u32 timestamp */
|
|
|
+ CHECK_REMAINING(4, truncated);
|
|
|
+ obj->timestamp = trunnel_ntohl(trunnel_get_uint32(ptr));
|
|
|
+ remaining -= 4; ptr += 4;
|
|
|
+
|
|
|
+ /* Parse struct netinfo_addr other_addr */
|
|
|
+ result = netinfo_addr_parse(&obj->other_addr, ptr, remaining);
|
|
|
+ if (result < 0)
|
|
|
+ goto relay_fail;
|
|
|
+ trunnel_assert((size_t)result <= remaining);
|
|
|
+ remaining -= result; ptr += result;
|
|
|
+
|
|
|
+ /* Parse u8 n_my_addrs */
|
|
|
+ CHECK_REMAINING(1, truncated);
|
|
|
+ obj->n_my_addrs = (trunnel_get_uint8(ptr));
|
|
|
+ remaining -= 1; ptr += 1;
|
|
|
+
|
|
|
+ /* Parse struct netinfo_addr my_addrs[n_my_addrs] */
|
|
|
+ TRUNNEL_DYNARRAY_EXPAND(netinfo_addr_t *, &obj->my_addrs, obj->n_my_addrs, {});
|
|
|
+ {
|
|
|
+ netinfo_addr_t * elt;
|
|
|
+ unsigned idx;
|
|
|
+ for (idx = 0; idx < obj->n_my_addrs; ++idx) {
|
|
|
+ result = netinfo_addr_parse(&elt, ptr, remaining);
|
|
|
+ if (result < 0)
|
|
|
+ goto relay_fail;
|
|
|
+ trunnel_assert((size_t)result <= remaining);
|
|
|
+ remaining -= result; ptr += result;
|
|
|
+ TRUNNEL_DYNARRAY_ADD(netinfo_addr_t *, &obj->my_addrs, elt, {netinfo_addr_free(elt);});
|
|
|
+ }
|
|
|
+ }
|
|
|
+ trunnel_assert(ptr + remaining == input + len_in);
|
|
|
+ return len_in - remaining;
|
|
|
+
|
|
|
+ truncated:
|
|
|
+ return -2;
|
|
|
+ relay_fail:
|
|
|
+ trunnel_assert(result < 0);
|
|
|
+ return result;
|
|
|
+ trunnel_alloc_failed:
|
|
|
+ return -1;
|
|
|
+}
|
|
|
+
|
|
|
+ssize_t
|
|
|
+netinfo_cell_parse(netinfo_cell_t **output, const uint8_t *input, const size_t len_in)
|
|
|
+{
|
|
|
+ ssize_t result;
|
|
|
+ *output = netinfo_cell_new();
|
|
|
+ if (NULL == *output)
|
|
|
+ return -1;
|
|
|
+ result = netinfo_cell_parse_into(*output, input, len_in);
|
|
|
+ if (result < 0) {
|
|
|
+ netinfo_cell_free(*output);
|
|
|
+ *output = NULL;
|
|
|
+ }
|
|
|
+ return result;
|
|
|
+}
|
Nick Mathewson