#include "siphash24.h"
#include "libudev-private.h"
#include "network-internal.h"
+#include "dhcp-lease-internal.h"
#include "log.h"
#include "utf8.h"
#include "util.h"
#include "conf-parser.h"
#include "condition.h"
-#define HASH_KEY SD_ID128_MAKE(d3,1e,48,fa,90,fe,4b,4c,9d,af,d5,d7,a1,b1,2e,8a)
-
-int net_get_unique_predictable_data(struct udev_device *device, uint8_t result[8]) {
- size_t l, sz = 0;
+const char *net_get_name(struct udev_device *device) {
const char *name = NULL, *field = NULL;
- int r;
- uint8_t *v;
+
+ assert(device);
/* fetch some persistent data unique (on this machine) to this device */
- FOREACH_STRING(field, "ID_NET_NAME_ONBOARD", "ID_NET_NAME_SLOT", "ID_NET_NAME_PATH", "ID_NET_NAME_MAC") {
+ FOREACH_STRING(field, "ID_NET_NAME_ONBOARD", "ID_NET_NAME_SLOT",
+ "ID_NET_NAME_PATH", "ID_NET_NAME_MAC") {
name = udev_device_get_property_value(device, field);
if (name)
break;
}
+ return name;
+}
+
+#define HASH_KEY SD_ID128_MAKE(d3,1e,48,fa,90,fe,4b,4c,9d,af,d5,d7,a1,b1,2e,8a)
+
+int net_get_unique_predictable_data(struct udev_device *device, uint8_t result[8]) {
+ size_t l, sz = 0;
+ const char *name = NULL;
+ int r;
+ uint8_t *v;
+
+ assert(device);
+
+ name = net_get_name(device);
if (!name)
return -ENOENT;
void *userdata) {
char **s = data;
- char *n;
+ _cleanup_free_ char *n = NULL;
assert(filename);
assert(lvalue);
}
free(*s);
- if (*n)
+ if (*n) {
*s = n;
- else {
- free(n);
+ n = NULL;
+ } else
*s = NULL;
- }
return 0;
}
return 0;
}
+
+void serialize_dhcp_routes(FILE *f, const char *key, struct sd_dhcp_route *routes, size_t size) {
+ unsigned i;
+
+ assert(f);
+ assert(key);
+ assert(routes);
+ assert(size);
+
+ fprintf(f, "%s=", key);
+
+ for (i = 0; i < size; i++)
+ fprintf(f, "%s/%" PRIu8 ",%s%s", inet_ntoa(routes[i].dst_addr),
+ routes[i].dst_prefixlen, inet_ntoa(routes[i].gw_addr),
+ (i < (size - 1)) ? " ": "");
+
+ fputs("\n", f);
+}
+
+int deserialize_dhcp_routes(struct sd_dhcp_route **ret, size_t *ret_size, size_t *ret_allocated, const char *string) {
+ _cleanup_free_ struct sd_dhcp_route *routes = NULL;
+ size_t size = 0, allocated = 0;
+ char *word, *state;
+ size_t len;
+
+ assert(ret);
+ assert(ret_size);
+ assert(ret_allocated);
+ assert(string);
+
+ FOREACH_WORD(word, len, string, state) {
+ /* WORD FORMAT: dst_ip/dst_prefixlen,gw_ip */
+ _cleanup_free_ char* entry;
+ char *tok, *tok_end;
+ unsigned n;
+ int r;
+
+ if (!GREEDY_REALLOC(routes, allocated, size + 1))
+ return -ENOMEM;
+
+ entry = strndup(word, len);
+ if(!entry)
+ return -ENOMEM;
+
+ tok = entry;
+
+ /* get the subnet */
+ tok_end = strchr(tok, '/');
+ if (!tok_end)
+ continue;
+ *tok_end = '\0';
+
+ r = inet_aton(tok, &routes[size].dst_addr);
+ if (r == 0)
+ continue;
+
+ tok = tok_end + 1;
+
+ /* get the prefixlen */
+ tok_end = strchr(tok, ',');
+ if (!tok_end)
+ continue;
+
+ *tok_end = '\0';
+
+ r = safe_atou(tok, &n);
+ if (r < 0 || n > 32)
+ continue;
+
+ routes[size].dst_prefixlen = (uint8_t) n;
+ tok = tok_end + 1;
+
+ /* get the gateway */
+ r = inet_aton(tok, &routes[size].gw_addr);
+ if (r == 0)
+ continue;
+
+ size++;
+ }
+
+ *ret_size = size;
+ *ret_allocated = allocated;
+ *ret = routes;
+ routes = NULL;
+
+ return 0;
+}