diff options
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | revokefs/Makefile.am.inc | 6 | ||||
| -rw-r--r-- | revokefs/demo.c | 80 |
3 files changed, 87 insertions, 0 deletions
@@ -59,6 +59,7 @@ common/flatpak-enum-types.h test-libflatpak httpcache revokefs-fuse +revokefs-demo Flatpak-1.0.* /app/parse-datetime.c /doc/reference/gtkdoc-check.log diff --git a/revokefs/Makefile.am.inc b/revokefs/Makefile.am.inc index d1be5e96..77cb5398 100644 --- a/revokefs/Makefile.am.inc +++ b/revokefs/Makefile.am.inc @@ -20,7 +20,13 @@ libexec_PROGRAMS += revokefs-fuse +noinst_PROGRAMS += revokefs-demo + revokefs_fuse_SOURCES = revokefs/main.c revokefs/writer.c revokefs/writer.h revokefs_fuse_CFLAGS = $(BASE_CFLAGS) -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 $(FUSE_CFLAGS) -I$(srcdir)/libglnx revokefs_fuse_LDADD = libglnx.la $(BASE_LIBS) $(FUSE_LIBS) + +revokefs_demo_SOURCES = revokefs/demo.c +revokefs_demo_CFLAGS = $(BASE_CFLAGS) +revokefs_demo_LDADD = $(BASE_LIBS) diff --git a/revokefs/demo.c b/revokefs/demo.c new file mode 100644 index 00000000..6608b52f --- /dev/null +++ b/revokefs/demo.c @@ -0,0 +1,80 @@ +#include <glib.h> +#include <stdio.h> +#include <stdlib.h> +#include <sys/socket.h> +#include <unistd.h> +#include <fcntl.h> + +int +main (int argc, char *argv[]) +{ + int sockets[2]; + g_autofree char *socket_0 = NULL; + g_autofree char *socket_1 = NULL; + GError *error = NULL; + char buf[20]; + GPid backend_pid, fuse_pid; + + if (argc != 3) + { + g_printerr ("Usage: revokefs-demo basepath targetpath\n"); + exit (EXIT_FAILURE); + } + + if (socketpair(AF_UNIX, SOCK_SEQPACKET, 0, sockets)) + { + perror ("Failed to create socket pair"); + exit (EXIT_FAILURE); + } + + socket_0 = g_strdup_printf ("--socket=%d", sockets[0]); + socket_1 = g_strdup_printf ("--socket=%d", sockets[1]); + + char *backend_argv[] = + { + "./revokefs-fuse", + "--backend", + socket_0, + argv[1], + NULL + }; + + /* Don't inherit fuse socket in backend */ + fcntl (sockets[1], F_SETFD, FD_CLOEXEC); + if (!g_spawn_async (NULL, + backend_argv, + NULL, + G_SPAWN_LEAVE_DESCRIPTORS_OPEN, + NULL, NULL, + &backend_pid, &error)) + { + g_printerr ("Failed to launch backend: %s", error->message); + exit (EXIT_FAILURE); + } + close (sockets[0]); /* Close backend side now so it doesn't get into the fuse child */ + + char *fuse_argv[] = + { + "./revokefs-fuse", + socket_1, + argv[1], + argv[2], + NULL + }; + + if (!g_spawn_async (NULL, + fuse_argv, + NULL, + G_SPAWN_LEAVE_DESCRIPTORS_OPEN, + NULL, NULL, + &fuse_pid, &error)) + { + g_printerr ("Failed to launch backend: %s", error->message); + exit (EXIT_FAILURE); + } + + g_print ("Started revokefs, press enter to revoke"); + fgets(buf, sizeof(buf), stdin); + g_print ("Revoking write permissions"); + shutdown (sockets[1], SHUT_RDWR); +} |