TheCloud/fuse-overlayfs
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Merge pull request #255 from giuseppe/fix-xattr-remapped

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main: always remap ids when specified
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Daniel J Walsh 2020-11-03 17:07:31 -05:00 committed by GitHub
commit 61c9b1dd4a
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3 changed files with 2 additions and 13 deletions
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7
direct.c
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@ -213,12 +213,6 @@ direct_num_of_layers (const char *opaque, const char *path)
return 1;
}
static bool
direct_must_be_remapped (struct ovl_layer *l)
{
return l->has_privileged_stat_override == 0 && l->has_stat_override == 0;
}
struct data_source direct_access_ds =
{
.num_of_layers = direct_num_of_layers,
@ -234,5 +228,4 @@ struct data_source direct_access_ds =
.getxattr = direct_getxattr,
.listxattr = direct_listxattr,
.readlinkat = direct_readlinkat,
.must_be_remapped = direct_must_be_remapped,
};

1
fuse-overlayfs.h
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@ -134,7 +134,6 @@ struct data_source
int (*listxattr)(struct ovl_layer *l, const char *path, char *buf, size_t size);
int (*getxattr)(struct ovl_layer *l, const char *path, const char *name, char *buf, size_t size);
ssize_t (*readlinkat)(struct ovl_layer *l, const char *path, char *buf, size_t bufsiz);
bool (*must_be_remapped)(struct ovl_layer *l);
};
/* passthrough to the file system. */

7
main.c
View File

@ -865,11 +865,8 @@ rpl_stat (fuse_req_t req, struct ovl_node *node, int fd, const char *path, struc
if (ret < 0)
return ret;
if (l->ds->must_be_remapped && l->ds->must_be_remapped (l))
{
st->st_uid = find_mapping (st->st_uid, data, true, true);
st->st_gid = find_mapping (st->st_gid, data, true, false);
}
st->st_uid = find_mapping (st->st_uid, data, true, true);
st->st_gid = find_mapping (st->st_gid, data, true, false);
st->st_ino = node->tmp_ino;
st->st_dev = node->tmp_dev;