fsal_context.c

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/*
 * vim:expandtab:shiftwidth=8:tabstop=8:
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "fsal.h"
#include "fsal_internal.h"
#include "fsal_common.h"
#include <pwd.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>

fsal_status_t FUSEFSAL_BuildExportContext(fsal_export_context_t * p_export_context, /* OUT */
                                          fsal_path_t * p_export_path,  /* IN */
                                          char *fs_specific_options     /* IN */
    )
{
  /* sanity check */
  if(!p_export_context)
    Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_BuildExportContext);

  /* TODO */
  /* no FS specific option string supported for now */
  /* retrieves the root handle */
  /* store root full path */

  /* unused */
  memset(p_export_context, 0, sizeof(fusefsal_export_context_t));

  /* Save pointer to fsal_staticfsinfo_t in export context */
  p_export_context->fe_static_fs_info = &global_fs_info;

  Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_BuildExportContext);

}

fsal_status_t FUSEFSAL_InitClientContext(fsal_op_context_t *context)
{
  fusefsal_op_context_t * p_thr_context = (fusefsal_op_context_t *)context;

  /* sanity check */
  if(!p_thr_context)
    Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_InitClientContext);

  /* initialy set the export entry to none */
  p_thr_context->export_context = NULL;

  /* set credential info */
  p_thr_context->credential.user = 0;
  p_thr_context->credential.group = 0;
  p_thr_context->credential.nbgroups = 0;

  /* build fuse context */
  p_thr_context->ganefuse_context.ganefuse = NULL;
  p_thr_context->ganefuse_context.uid = 0;
  p_thr_context->ganefuse_context.gid = 0;
  p_thr_context->ganefuse_context.pid = getpid();
  p_thr_context->ganefuse_context.private_data = fs_private_data;

  Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_InitClientContext);

}

fsal_status_t FUSEFSAL_GetClientContext(fsal_op_context_t *context,  /* IN/OUT  */
                                        fsal_export_context_t * p_export_context,   /* IN */
                                        fsal_uid_t uid, /* IN */
                                        fsal_gid_t gid, /* IN */
                                        fsal_gid_t * alt_groups,        /* IN */
                                        fsal_count_t nb_alt_groups      /* IN */
    )
{

  fusefsal_op_context_t * p_thr_context = (fusefsal_op_context_t *)context;

  /* sanity check */
  if(!p_thr_context || !p_export_context)
    Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_GetClientContext);

  /* set the specific export context */
  p_thr_context->export_context = (fusefsal_export_context_t *) p_export_context;

  /* set credential info */
  p_thr_context->credential.user = uid;
  p_thr_context->credential.group = gid;
  p_thr_context->credential.nbgroups = 0; /* no alt groups at present */

  /* build fuse context */
  p_thr_context->ganefuse_context.ganefuse = NULL;
  p_thr_context->ganefuse_context.uid = uid;
  p_thr_context->ganefuse_context.gid = gid;
  p_thr_context->ganefuse_context.pid = getpid();
  p_thr_context->ganefuse_context.private_data = fs_private_data;

  Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_GetClientContext);

}

/* @} */