lib/efi: Cleanup read/write routines
[petitboot] / discover / sysinfo.c
index be4543832265a964ceea26124dbcdc1a8d85a2c9..a9d7ff547b11ffb22a40bbdf4e738448de4f6a16 100644 (file)
@@ -3,20 +3,64 @@
 
 #include <talloc/talloc.h>
 #include <process/process.h>
+#include <log/log.h>
+#include <url/url.h>
 
 #include "discover-server.h"
+#include "platform.h"
 #include "sysinfo.h"
 
 static struct system_info *sysinfo;
 static struct discover_server *server;
 
-static const char *sysinfo_helper = PKG_LIBEXEC_DIR "/pb-sysinfo";
-
 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)
 {
@@ -102,41 +146,27 @@ void system_info_register_blockdev(const char *name, const char *uuid,
        discover_server_notify_system_info(server, sysinfo);
 }
 
-static void system_info_set_identifier(struct system_info *info)
-{
-       struct process *process;
-       int rc;
-       const char *argv[] = {
-               sysinfo_helper, NULL, NULL,
-       };
-
-       process = process_create(info);
-       process->path = sysinfo_helper;
-       process->argv = argv;
-       process->keep_stdout = true;
-
-       argv[1] = "--type";
-       rc = process_run_sync(process);
-
-       if (!rc) {
-               info->type = talloc_strndup(info, process->stdout_buf,
-                               process->stdout_len);
-       }
-
-       argv[1] = "--id";
-       rc = process_run_sync(process);
-
-       if (!rc) {
-               info->identifier = talloc_strndup(info, process->stdout_buf,
-                               process->stdout_len);
-       }
-
-       process_release(process);
-}
-
 void system_info_init(struct discover_server *s)
 {
        server = s;
        sysinfo = talloc_zero(server, struct system_info);
-       system_info_set_identifier(sysinfo);
+       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;
 }