#include <pakfire/arch.h>
#include <pakfire/logging.h>
#include <pakfire/pakfire.h>
+#include <pakfire/path.h>
#include <pakfire/mount.h>
#include <pakfire/string.h>
#include <pakfire/util.h>
int major;
int minor;
mode_t mode;
+ int flags;
} devnodes[] = {
- { "/dev/null", 1, 3, S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH, },
- { "/dev/zero", 1, 5, S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH, },
- { "/dev/full", 1, 7, S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH, },
- { "/dev/random", 1, 8, S_IFCHR|S_IRUSR|S_IRGRP|S_IROTH, },
- { "/dev/urandom", 1, 9, S_IFCHR|S_IRUSR|S_IRGRP|S_IROTH, },
- { "/dev/kmsg", 1, 11, S_IFCHR|S_IRUSR|S_IRGRP|S_IROTH, },
- { "/dev/tty", 5, 0, S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH, },
- { "/dev/console", 5, 1, S_IFCHR|S_IRUSR|S_IWUSR, },
- { "/dev/rtc0", 252, 0, S_IFCHR|S_IRUSR|S_IWUSR, },
+ { "/dev/null", 1, 3, S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH, 0 },
+ { "/dev/zero", 1, 5, S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH, 0 },
+ { "/dev/full", 1, 7, S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH, 0 },
+ { "/dev/random", 1, 8, S_IFCHR|S_IRUSR|S_IRGRP|S_IROTH, 0 },
+ { "/dev/urandom", 1, 9, S_IFCHR|S_IRUSR|S_IRGRP|S_IROTH, 0 },
+ { "/dev/kmsg", 1, 11, S_IFCHR|S_IRUSR|S_IRGRP|S_IROTH, 0 },
+ { "/dev/tty", 5, 0, S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH, 0 },
+ { "/dev/console", 5, 1, S_IFCHR|S_IRUSR|S_IWUSR, 0 },
+ { "/dev/rtc0", 252, 0, S_IFCHR|S_IRUSR|S_IWUSR, 0 },
+
+ // Loop Devices
+ { "/dev/loop-control", 10, 237, S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP, PAKFIRE_MOUNT_LOOP_DEVICES },
+ { "/dev/loop0", 7, 0, S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP, PAKFIRE_MOUNT_LOOP_DEVICES },
+ { "/dev/loop1", 7, 1, S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP, PAKFIRE_MOUNT_LOOP_DEVICES },
+ { "/dev/loop2", 7, 2, S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP, PAKFIRE_MOUNT_LOOP_DEVICES },
+ { "/dev/loop3", 7, 3, S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP, PAKFIRE_MOUNT_LOOP_DEVICES },
+ { "/dev/loop4", 7, 4, S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP, PAKFIRE_MOUNT_LOOP_DEVICES },
+ { "/dev/loop5", 7, 5, S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP, PAKFIRE_MOUNT_LOOP_DEVICES },
+ { "/dev/loop6", 7, 6, S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP, PAKFIRE_MOUNT_LOOP_DEVICES },
+ { "/dev/loop7", 7, 7, S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP, PAKFIRE_MOUNT_LOOP_DEVICES },
+
{ NULL },
};
{ NULL },
};
+int pakfire_mount_change_propagation(struct pakfire_ctx* ctx, const char* path, int propagation) {
+ CTX_DEBUG(ctx, "Changing mount propagation on %s\n", path);
+
+ int r = mount(NULL, path, NULL, propagation|MS_REC, NULL);
+ if (r)
+ CTX_ERROR(ctx, "Failed to change mount propagation on %s: %m\n", path);
+
+ return r;
+}
+
+static int pakfire_mount_is_mountpoint(struct pakfire* pakfire, const char* path) {
+ // XXX THIS STILL NEEDS TO BE IMPLEMENTED
+ return 1;
+}
+
+int pakfire_mount_make_mounpoint(struct pakfire* pakfire, const char* path) {
+ int r;
+
+ // Check if path already is a mountpoint
+ r = pakfire_mount_is_mountpoint(pakfire, path);
+ switch (r) {
+ // Already is a mountpoint
+ case 0:
+ return 0;
+
+ // Is not a mountpoint
+ case 1:
+ break;
+
+ default:
+ ERROR(pakfire, "Could not determine whether %s is a mountpoint: %m\n", path);
+ return r;
+ }
+
+ // Bind-mount to self
+ r = mount(path, path, NULL, MS_BIND|MS_REC, NULL);
+ if (r) {
+ ERROR(pakfire, "Could not make %s a mountpoint: %m\n", path);
+ return r;
+ }
+
+ return 0;
+}
+
/*
Easy way to iterate through all mountpoints
*/
__pakfire_mount_print, NULL);
}
-static int pakfire_populate_dev(struct pakfire* pakfire) {
+static int pakfire_populate_dev(struct pakfire* pakfire, int flags) {
char path[PATH_MAX];
// Create device nodes
for (const struct pakfire_devnode* devnode = devnodes; devnode->path; devnode++) {
DEBUG(pakfire, "Creating device node %s\n", devnode->path);
+ // Check if flags match
+ if (devnode->flags && !(flags & devnode->flags))
+ continue;
+
int r = pakfire_path(pakfire, path, "%s", devnode->path);
if (r)
return r;
char target[PATH_MAX];
// Fetch the target architecture
- const char* arch = pakfire_get_arch(pakfire);
+ const char* arch = pakfire_get_effective_arch(pakfire);
// Can we emulate this architecture?
char* interpreter = pakfire_arch_find_interpreter(arch);
return r;
}
-int pakfire_mount_all(struct pakfire* pakfire) {
+int pakfire_mount_all(struct pakfire* pakfire, int flags) {
char target[PATH_MAX];
int r;
for (const struct pakfire_mountpoint* mp = mountpoints; mp->source; mp++) {
// Figure out where to mount
- r = pakfire_path_join(target, root, mp->target);
+ r = pakfire_path_append(target, root, mp->target);
if (r)
return r;
}
// Populate /dev
- r = pakfire_populate_dev(pakfire);
+ r = pakfire_populate_dev(pakfire, flags);
if (r)
return r;
return 0;
}
+int pakfire_make_ramdisk(struct pakfire* pakfire, char* path, const char* args) {
+ int r;
+
+ // Create a new temporary directory
+ char* p = pakfire_mkdtemp(path);
+ if (!p)
+ return -errno;
+
+ // Mount the ramdisk
+ r = pakfire_mount(pakfire, "pakfire_ramdisk", p, "tmpfs", 0, args);
+ if (r) {
+ ERROR_ERRNO(pakfire, r, "Could not mount ramdisk at %s (%s): %m\n", p, args);
+ return r;
+ }
+
+ DEBUG(pakfire, "Ramdisk mounted at %s (%s)\n", p, args);
+
+ return 0;
+}
+
int pakfire_bind(struct pakfire* pakfire, const char* src, const char* dst, int flags) {
struct stat st;
char mountpoint[PATH_MAX];
// as read-only and requires us to mount the source first, and then remount it
// again using MS_RDONLY.
if (flags & MS_RDONLY) {
- r = pakfire_mount(pakfire, src, mountpoint, NULL, MS_BIND|MS_REC, NULL);
+ r = pakfire_mount(pakfire, src, mountpoint, "bind", MS_BIND|MS_REC, NULL);
if (r)
return r;
}
// Perform mount
- return pakfire_mount(pakfire, src, mountpoint, NULL, flags|MS_BIND|MS_REC, NULL);
+ return pakfire_mount(pakfire, src, mountpoint, "bind", flags|MS_BIND|MS_REC, NULL);
}
projects / people / ms / pakfire.git / blobdiff