discover: Recognise and open LUKS encrypted partitions

[petitboot] / discover / sysinfo.c

diff --git a/discover/sysinfo.c b/discover/sysinfo.c
index 219369a0d5456f5bda27fed2ba7a534a4db7b64b..a9d7ff547b11ffb22a40bbdf4e738448de4f6a16 100644 (file)
--- a/discover/sysinfo.c
+++ b/discover/sysinfo.c
@@ -3,6 +3,8 @@
 
 #include <talloc/talloc.h>
 #include <process/process.h>
+#include <log/log.h>
+#include <url/url.h>
 
 #include "discover-server.h"
 #include "platform.h"
@@ -16,6 +18,49 @@ const struct system_info *system_info_get(void)
        return sysinfo;
 }
 
+void system_info_set_interface_address(unsigned int hwaddr_size,
+               uint8_t *hwaddr, const char *address)
+{
+       struct interface_info *if_info;
+       unsigned int i;
+       char mac[20], **if_addr, *new_addr, *subnet;
+
+       for (i = 0; i < sysinfo->n_interfaces; i++) {
+               if_info = sysinfo->interfaces[i];
+
+               if (if_info->hwaddr_size != hwaddr_size)
+                       continue;
+
+               if (memcmp(if_info->hwaddr, hwaddr, hwaddr_size))
+                       continue;
+
+               /*
+                * Don't include the subnet from a static config, and check if
+                * we're updating the IPv4 or IPv6 address.
+                * */
+               if ((subnet = strchr(address, '/')))
+                       new_addr = talloc_strndup(if_info, address, subnet - address);
+               else
+                       new_addr = talloc_strdup(if_info, address);
+               if (addr_scheme(new_addr) == AF_INET)
+                       if_addr = &if_info->address;
+               else
+                       if_addr = &if_info->address_v6;
+
+               /* Found an existing interface. Notify clients if a new address
+                * is set */
+               if (!*if_addr || strcmp(*if_addr, address)) {
+                       talloc_free(*if_addr);
+                       *if_addr = new_addr;
+                       discover_server_notify_system_info(server, sysinfo);
+                       return;
+               }
+       }
+
+       mac_str(hwaddr, hwaddr_size, mac, sizeof(mac));
+       pb_log("Couldn't find interface matching %s\n", mac);
+}
+
 void system_info_register_interface(unsigned int hwaddr_size, uint8_t *hwaddr,
                const char *name, bool link)
 {
@@ -107,3 +152,21 @@ void system_info_init(struct discover_server *s)
        sysinfo = talloc_zero(server, struct system_info);
        platform_get_sysinfo(sysinfo);
 }
+
+/* Only reset device information. Platform information is static */
+void system_info_reinit(void)
+{
+       unsigned int i;
+
+       for (i = 0; i < sysinfo->n_blockdevs; i++)
+               talloc_free(sysinfo->blockdevs[i]);
+       talloc_free(sysinfo->blockdevs);
+       sysinfo->blockdevs = NULL;
+       sysinfo->n_blockdevs = 0;
+
+       for (i = 0; i < sysinfo->n_interfaces; i++)
+               talloc_free(sysinfo->interfaces[i]);
+       talloc_free(sysinfo->interfaces);
+       sysinfo->interfaces = NULL;
+       sysinfo->n_interfaces = 0;
+}