installer: Write fstab

[people/pmueller/ipfire-2.x.git] / src / install+setup / install / hw.c

diff --git a/src/install+setup/install/hw.c b/src/install+setup/install/hw.c
index e19632c97931f28b3a91998945d327baf206e8e4..3e74e872c6800140d91f20b3784f8da0796475a9 100644 (file)
--- a/src/install+setup/install/hw.c
+++ b/src/install+setup/install/hw.c
@@ -843,3 +843,72 @@ int hw_install_bootloader(struct hw_destination* dest) {
 
        return r;
 }
+
+static char* hw_get_uuid(const char* dev) {
+       blkid_probe p = blkid_new_probe_from_filename(dev);
+       const char* buffer = NULL;
+       char* uuid = NULL;
+
+       if (!p)
+               return NULL;
+
+       blkid_do_probe(p);
+       blkid_probe_lookup_value(p, "UUID", &buffer, NULL);
+
+       if (buffer)
+               uuid = strdup(buffer);
+
+       blkid_free_probe(p);
+
+       return uuid;
+}
+
+int hw_write_fstab(struct hw_destination* dest) {
+       FILE* f = fopen(DESTINATION_MOUNT_PATH "/etc/fstab", "w");
+       if (!f)
+               return -1;
+
+       const char* fmt = "UUID=%s %-8s %-4s %-10s %d %d\n";
+       char* uuid = NULL;
+
+       // boot
+       if (*dest->part_boot) {
+               uuid = hw_get_uuid(dest->part_boot);
+
+               if (uuid) {
+                       fprintf(f, fmt, uuid, "/boot", "auto", "defaults", 1, 2);
+                       free(uuid);
+               }
+       }
+
+       // swap
+       if (*dest->part_swap) {
+               uuid = hw_get_uuid(dest->part_swap);
+
+               if (uuid) {
+                       fprintf(f, fmt, uuid, "swap", "swap", "defaults,pri=1", 0, 0);
+                       free(uuid);
+               }
+       }
+
+       // root
+       uuid = hw_get_uuid(dest->part_root);
+       if (uuid) {
+               fprintf(f, fmt, uuid, "/", "auto", "defaults", 1, 1);
+               free(uuid);
+       }
+
+       // data
+       if (*dest->part_data) {
+               uuid = hw_get_uuid(dest->part_data);
+
+               if (uuid) {
+                       fprintf(f, fmt, uuid, "/var", "auto", "defaults", 1, 1);
+                       free(uuid);
+               }
+       }
+
+       fclose(f);
+
+       return 0;
+}