68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/* Created (MFS based):
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* June 2011 (Evgeniy Ivanov)
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*/
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#include "fs.h"
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#include "puffs.h"
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#include "puffs_priv.h"
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/*===========================================================================*
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* fs_chmod *
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*===========================================================================*/
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int fs_chmod(ino_t ino_nr, mode_t *mode)
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{
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/* Perform the chmod(name, mode) system call. */
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struct puffs_node *pn;
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struct vattr va;
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PUFFS_MAKECRED(pcr, &global_kcred);
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if (global_pu->pu_ops.puffs_node_setattr == NULL)
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return(EINVAL);
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if ((pn = puffs_pn_nodewalk(global_pu, 0, &ino_nr)) == NULL)
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return(EINVAL);
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puffs_vattr_null(&va);
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/* Clear setgid bit if file is not in caller's grp */
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va.va_mode = (pn->pn_va.va_mode & ~ALL_MODES) | (*mode & ALL_MODES);
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(void)clock_time(&va.va_ctime);
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if (global_pu->pu_ops.puffs_node_setattr(global_pu, pn, &va, pcr) != 0)
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return(EINVAL);
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/* Return full new mode to caller. */
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*mode = pn->pn_va.va_mode;
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return(OK);
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}
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/*===========================================================================*
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* fs_chown *
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*===========================================================================*/
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int fs_chown(ino_t ino_nr, uid_t uid, gid_t gid, mode_t *mode)
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{
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struct puffs_node *pn;
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struct vattr va;
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PUFFS_MAKECRED(pcr, &global_kcred);
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if ((pn = puffs_pn_nodewalk(global_pu, 0, &ino_nr)) == NULL)
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return(EINVAL);
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puffs_vattr_null(&va);
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va.va_uid = uid;
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va.va_gid = gid;
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va.va_mode = pn->pn_va.va_mode & ~(I_SET_UID_BIT | I_SET_GID_BIT);
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(void)clock_time(&va.va_ctime);
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if (global_pu->pu_ops.puffs_node_setattr(global_pu, pn, &va, pcr) != 0)
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return(EINVAL);
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/* Update caller on current mode, as it may have changed. */
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*mode = pn->pn_va.va_mode;
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return(OK);
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}
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