diff options
| -rw-r--r-- | fs/autofs4/autofs_i.h | 8 | ||||
| -rw-r--r-- | fs/autofs4/dev-ioctl.c | 4 | ||||
| -rw-r--r-- | fs/autofs4/inode.c | 24 | ||||
| -rw-r--r-- | fs/autofs4/waitq.c | 5 | ||||
| -rw-r--r-- | init/Kconfig | 1 |
5 files changed, 24 insertions, 18 deletions
diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h index 908e18455413..b785e7707959 100644 --- a/fs/autofs4/autofs_i.h +++ b/fs/autofs4/autofs_i.h @@ -74,8 +74,8 @@ struct autofs_info { unsigned long last_used; atomic_t count; - uid_t uid; - gid_t gid; + kuid_t uid; + kgid_t gid; }; #define AUTOFS_INF_EXPIRING (1<<0) /* dentry is in the process of expiring */ @@ -89,8 +89,8 @@ struct autofs_wait_queue { struct qstr name; u32 dev; u64 ino; - uid_t uid; - gid_t gid; + kuid_t uid; + kgid_t gid; pid_t pid; pid_t tgid; /* This is for status reporting upon return */ diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c index a16214109d31..9f68a37bb2b2 100644 --- a/fs/autofs4/dev-ioctl.c +++ b/fs/autofs4/dev-ioctl.c @@ -437,8 +437,8 @@ static int autofs_dev_ioctl_requester(struct file *fp, err = 0; autofs4_expire_wait(path.dentry); spin_lock(&sbi->fs_lock); - param->requester.uid = ino->uid; - param->requester.gid = ino->gid; + param->requester.uid = from_kuid_munged(current_user_ns(), ino->uid); + param->requester.gid = from_kgid_munged(current_user_ns(), ino->gid); spin_unlock(&sbi->fs_lock); } path_put(&path); diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c index 8a4fed8ead30..b104726e2d0a 100644 --- a/fs/autofs4/inode.c +++ b/fs/autofs4/inode.c @@ -36,8 +36,8 @@ struct autofs_info *autofs4_new_ino(struct autofs_sb_info *sbi) void autofs4_clean_ino(struct autofs_info *ino) { - ino->uid = 0; - ino->gid = 0; + ino->uid = GLOBAL_ROOT_UID; + ino->gid = GLOBAL_ROOT_GID; ino->last_used = jiffies; } @@ -79,10 +79,12 @@ static int autofs4_show_options(struct seq_file *m, struct dentry *root) return 0; seq_printf(m, ",fd=%d", sbi->pipefd); - if (root_inode->i_uid != 0) - seq_printf(m, ",uid=%u", root_inode->i_uid); - if (root_inode->i_gid != 0) - seq_printf(m, ",gid=%u", root_inode->i_gid); + if (!uid_eq(root_inode->i_uid, GLOBAL_ROOT_UID)) + seq_printf(m, ",uid=%u", + from_kuid_munged(&init_user_ns, root_inode->i_uid)); + if (!gid_eq(root_inode->i_gid, GLOBAL_ROOT_GID)) + seq_printf(m, ",gid=%u", + from_kgid_munged(&init_user_ns, root_inode->i_gid)); seq_printf(m, ",pgrp=%d", sbi->oz_pgrp); seq_printf(m, ",timeout=%lu", sbi->exp_timeout/HZ); seq_printf(m, ",minproto=%d", sbi->min_proto); @@ -126,7 +128,7 @@ static const match_table_t tokens = { {Opt_err, NULL} }; -static int parse_options(char *options, int *pipefd, uid_t *uid, gid_t *gid, +static int parse_options(char *options, int *pipefd, kuid_t *uid, kgid_t *gid, pid_t *pgrp, unsigned int *type, int *minproto, int *maxproto) { char *p; @@ -159,12 +161,16 @@ static int parse_options(char *options, int *pipefd, uid_t *uid, gid_t *gid, case Opt_uid: if (match_int(args, &option)) return 1; - *uid = option; + *uid = make_kuid(current_user_ns(), option); + if (!uid_valid(*uid)) + return 1; break; case Opt_gid: if (match_int(args, &option)) return 1; - *gid = option; + *gid = make_kgid(current_user_ns(), option); + if (!gid_valid(*gid)) + return 1; break; case Opt_pgrp: if (match_int(args, &option)) diff --git a/fs/autofs4/waitq.c b/fs/autofs4/waitq.c index dce436e595c1..03bc1d347d8e 100644 --- a/fs/autofs4/waitq.c +++ b/fs/autofs4/waitq.c @@ -154,6 +154,7 @@ static void autofs4_notify_daemon(struct autofs_sb_info *sbi, case autofs_ptype_expire_direct: { struct autofs_v5_packet *packet = &pkt.v5_pkt.v5_packet; + struct user_namespace *user_ns = sbi->pipe->f_cred->user_ns; pktsz = sizeof(*packet); @@ -163,8 +164,8 @@ static void autofs4_notify_daemon(struct autofs_sb_info *sbi, packet->name[wq->name.len] = '\0'; packet->dev = wq->dev; packet->ino = wq->ino; - packet->uid = wq->uid; - packet->gid = wq->gid; + packet->uid = from_kuid_munged(user_ns, wq->uid); + packet->gid = from_kgid_munged(user_ns, wq->gid); packet->pid = wq->pid; packet->tgid = wq->tgid; break; diff --git a/init/Kconfig b/init/Kconfig index 6fdd6e339326..b6369fbaa22b 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -1004,7 +1004,6 @@ config UIDGID_CONVERTED # Filesystems depends on 9P_FS = n depends on AFS_FS = n - depends on AUTOFS4_FS = n depends on CEPH_FS = n depends on CIFS = n depends on CODA_FS = n |