Add support for GPG signature enforcement on booted

[petitboot] / ui / common / ui-system.c

diff --git a/ui/common/ui-system.c b/ui/common/ui-system.c
index 8604848e4c5363c13686cae1897b5c10f02f6b6e..7e04801edf9a96a8e146ad050074e32256779707 100644 (file)
--- a/ui/common/ui-system.c
+++ b/ui/common/ui-system.c
@@ -16,7 +16,9 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#define _GNU_SOURCE
+#if defined(HAVE_CONFIG_H)
+#include "config.h"
+#endif
 
 #include <assert.h>
 #include <errno.h>
@@ -28,165 +30,35 @@
 
 #include "log/log.h"
 #include <system/system.h>
+#include <process/process.h>
 #include "talloc/talloc.h"
-#include "loader.h"
 #include "ui-system.h"
 
 /**
  * pb_start_daemon - start the pb-discover daemon.
  */
 
-int pb_start_daemon(void)
+int pb_start_daemon(void *ctx)
 {
+       struct process *process;
+       const char **argv;
        int result;
-       const char *argv[2];
-       char *name = talloc_asprintf(NULL, "%s/sbin/pb-discover",
-               pb_system_apps.prefix);
+       char *name;
 
-       argv[0] = name;
-       argv[1] =  NULL;
-
-       result = pb_run_cmd(argv, 0);
-
-       talloc_free(name);
-
-       if (result)
-               pb_log("%s: failed: (%d)\n", __func__, result);
-
-       return result;
-}
-
-/**
- * kexec_load - kexec load helper.
- * @l_image: The local image file for kexec to execute.
- * @l_initrd: Optional local initrd file for kexec --initrd, can be NULL.
- * @args: Optional command line args for kexec --append, can be NULL.
- */
-
-static int kexec_load(const char *l_image, const char *l_initrd,
-       const char *args)
-{
-       int result;
-       const char *argv[6];
-       const char **p;
-       char *s_initrd = NULL;
-       char *s_args = NULL;
-
-       p = argv;
-       *p++ = pb_system_apps.kexec;    /* 1 */
-       *p++ = "-l";                    /* 2 */
-
-       if (l_initrd) {
-               s_initrd = talloc_asprintf(NULL, "--initrd=%s", l_initrd);
-               assert(s_initrd);
-               *p++ = s_initrd;         /* 3 */
-       }
+       process = process_create(ctx);
 
-       if (args) {
-               s_args = talloc_asprintf(NULL, "--append=%s", args);
-               assert(s_args);
-               *p++ = s_args;          /* 4 */
-       }
-
-       *p++ = l_image;                 /* 5 */
-       *p++ = NULL;                    /* 6 */
-
-       result = pb_run_cmd(argv, 1);
-
-       if (result)
-               pb_log("%s: failed: (%d)\n", __func__, result);
-
-       talloc_free(s_initrd);
-       talloc_free(s_args);
-
-       return result;
-}
+       argv = talloc_array(process, const char *, 2);
+       name = talloc_asprintf(process, "%s/sbin/pb-discover",
+                       pb_system_apps.prefix);
 
-/**
- * kexec_reboot - Helper to boot the new kernel.
- *
- * Must only be called after a successful call to kexec_load().
- */
-
-static int kexec_reboot(void)
-{
-       int result;
-       const char *argv[4];
-       const char **p;
-
-       /* First try running shutdown.  Init scripts should run 'exec -e' */
-
-       p = argv;
-       *p++ = pb_system_apps.shutdown; /* 1 */
-       *p++ =  "-r";                   /* 2 */
-       *p++ =  "now";                  /* 3 */
-       *p++ =  NULL;                   /* 4 */
-
-       result = pb_run_cmd(argv, 1);
-
-       /* On error, force a kexec with the -e option */
-
-       if (result) {
-               p = argv;
-               *p++ = pb_system_apps.kexec;    /* 1 */
-               *p++ = "-e";                    /* 2 */
-               *p++ = NULL;                    /* 3 */
-
-               result = pb_run_cmd(argv, 1);
-       }
-
-       if (result)
-               pb_log("%s: failed: (%d)\n", __func__, result);
-
-       return result;
-}
-
-/**
- * pb_run_kexec - Run kexec with the supplied boot options.
- */
-
-int pb_run_kexec(const struct pb_kexec_data *kd)
-{
-       int result;
-       char *l_image = NULL;
-       char *l_initrd = NULL;
-       unsigned int clean_image = 0;
-       unsigned int clean_initrd = 0;
-
-       pb_log("%s: image:  '%s'\n", __func__, kd->image);
-       pb_log("%s: initrd: '%s'\n", __func__, kd->initrd);
-       pb_log("%s: args:   '%s'\n", __func__, kd->args);
-
-       result = -1;
-
-       if (kd->image) {
-               l_image = pb_load_file(NULL, kd->image, &clean_image);
-               if (!l_image)
-                       goto no_load;
-       }
-
-       if (kd->initrd) {
-               l_initrd = pb_load_file(NULL, kd->initrd, &clean_initrd);
-               if (!l_initrd)
-                       goto no_load;
-       }
-
-       if (!l_image && !l_initrd)
-               goto no_load;
-
-       result = kexec_load(l_image, l_initrd, kd->args);
-
-no_load:
-       if (clean_image)
-               unlink(l_image);
-       if (clean_initrd)
-               unlink(l_initrd);
+       argv[0] = name;
+       argv[1] = NULL;
 
-       talloc_free(l_image);
-       talloc_free(l_initrd);
+       process->path = name;
+       process->argv = argv;
 
-       if (!result)
-               result = kexec_reboot();
+       result = process_run_async(process);
+       process_release(process);
 
        return result;
 }