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Add linux idmap support 

Use idmap service if available.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Brian Behlendorf 2010-08-26 11:43:07 -07:00
parent 266852767f
commit be160928b7
1 changed files with 12 additions and 0 deletions
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12
lib/libzfs/libzfs_dataset.c
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@ -41,9 +41,11 @@
#include <grp.h>
#include <stddef.h>
#include <ucred.h>
#ifdef HAVE_IDMAP
#include <idmap.h>
#include <aclutils.h>
#include <directory.h>
#endif /* HAVE_IDMAP */
#include <sys/dnode.h>
#include <sys/spa.h>
@ -2166,6 +2168,7 @@ zfs_prop_get_numeric(zfs_handle_t *zhp, zfs_prop_t prop, uint64_t *value,
return (0);
}
#ifdef HAVE_IDMAP
static int
idmap_id_to_numeric_domain_rid(uid_t id, boolean_t isuser,
char **domainp, idmap_rid_t *ridp)
@ -2195,6 +2198,7 @@ out:
idmap_get_destroy(get_hdl);
return (err);
}
#endif /* HAVE_IDMAP */
/*
* convert the propname into parameters needed by kernel
@ -2228,6 +2232,7 @@ userquota_propname_decode(const char *propname, boolean_t zoned,
cp = strchr(propname, '@') + 1;
if (strchr(cp, '@')) {
#ifdef HAVE_IDMAP
/*
* It's a SID name (eg "user@domain") that needs to be
* turned into S-1-domainID-RID.
@ -2250,6 +2255,9 @@ userquota_propname_decode(const char *propname, boolean_t zoned,
return (ENOENT);
cp = numericsid;
/* will be further decoded below */
#else
return (ENOSYS);
#endif /* HAVE_IDMAP */
}
if (strncmp(cp, "S-1-", 4) == 0) {
@ -2288,6 +2296,7 @@ userquota_propname_decode(const char *propname, boolean_t zoned,
*ridp = gr->gr_gid;
}
} else {
#ifdef HAVE_IDMAP
/* It's a user/group ID (eg "12345"). */
uid_t id = strtoul(cp, &end, 10);
idmap_rid_t rid;
@ -2305,6 +2314,9 @@ userquota_propname_decode(const char *propname, boolean_t zoned,
} else {
*ridp = id;
}
#else
return (ENOSYS);
#endif /* HAVE_IDMAP */
}
ASSERT3P(numericsid, ==, NULL);