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| author | Eric W. Biederman <ebiederm@xmission.com> | 2012-02-10 11:35:50 -0800 |
|---|---|---|
| committer | Eric W. Biederman <ebiederm@xmission.com> | 2012-09-21 03:13:12 -0700 |
| commit | ba64e2b9e368fbe588ed5e3bb1494cc1dc4664a4 (patch) | |
| tree | 0651712f5b75e584b52570ad6cb6bc26b0b9523c /fs/isofs/inode.c | |
| parent | 16525e3f146fbba1ae43740c7d3895d4f396a768 (diff) | |
| download | lwn-ba64e2b9e368fbe588ed5e3bb1494cc1dc4664a4.tar.gz lwn-ba64e2b9e368fbe588ed5e3bb1494cc1dc4664a4.zip | |
userns: Convert isofs to use kuid/kgid where appropriate
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Diffstat (limited to 'fs/isofs/inode.c')
| -rw-r--r-- | fs/isofs/inode.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c index 29037c365ba4..a7d8e6cc5e0c 100644 --- a/fs/isofs/inode.c +++ b/fs/isofs/inode.c @@ -21,6 +21,7 @@ #include <linux/cdrom.h> #include <linux/parser.h> #include <linux/mpage.h> +#include <linux/user_namespace.h> #include "isofs.h" #include "zisofs.h" @@ -171,8 +172,8 @@ struct iso9660_options{ unsigned int blocksize; umode_t fmode; umode_t dmode; - gid_t gid; - uid_t uid; + kgid_t gid; + kuid_t uid; char *iocharset; /* LVE */ s32 session; @@ -383,8 +384,8 @@ static int parse_options(char *options, struct iso9660_options *popt) popt->fmode = popt->dmode = ISOFS_INVALID_MODE; popt->uid_set = 0; popt->gid_set = 0; - popt->gid = 0; - popt->uid = 0; + popt->gid = GLOBAL_ROOT_GID; + popt->uid = GLOBAL_ROOT_UID; popt->iocharset = NULL; popt->utf8 = 0; popt->overriderockperm = 0; @@ -460,13 +461,17 @@ static int parse_options(char *options, struct iso9660_options *popt) case Opt_uid: if (match_int(&args[0], &option)) return 0; - popt->uid = option; + popt->uid = make_kuid(current_user_ns(), option); + if (!uid_valid(popt->uid)) + return 0; popt->uid_set = 1; break; case Opt_gid: if (match_int(&args[0], &option)) return 0; - popt->gid = option; + popt->gid = make_kgid(current_user_ns(), option); + if (!gid_valid(popt->gid)) + return 0; popt->gid_set = 1; break; case Opt_mode: |