diff options
Diffstat (limited to 'src/netfs.c')
| -rw-r--r-- | src/netfs.c | 59 |
1 files changed, 55 insertions, 4 deletions
diff --git a/src/netfs.c b/src/netfs.c index dfca2e817..083ebe534 100644 --- a/src/netfs.c +++ b/src/netfs.c @@ -1,7 +1,7 @@ /********************************************************** * netfs.c * - * Copyright(C) 2004, 2005 by Stefan Siegl <ssiegl@gmx.de>, Germany + * Copyright(C) 2004,2005,2006 by Stefan Siegl <stesie@brokenpipe.de>, Germany * * This is free software; you can redistribute it and/or * modify it under the terms of the GNU General Publice License, @@ -50,6 +50,48 @@ struct fuse_dirhandle { char *filename; }; + +static inline void +refresh_context_struct(struct iouser *cred) +{ + FUNC_PROLOGUE("refresh_context_struct"); + struct fuse_context *ctx = cthread_data(cthread_self()); + + if(! ctx) + { + ctx = malloc(sizeof(struct fuse_context)); + if(! ctx) + { + perror(PACKAGE_NAME); + return; + } + + cthread_set_data(cthread_self(), ctx); + + ctx->fuse = (void *) FUSE_MAGIC; + ctx->private_data = fsys_privdata; + + /* FIXME, how to figure out the pid of the program asking for the + * filesystem operation? */ + ctx->pid = 0; + } + + if(cred) + { + ctx->uid = cred->uids->num ? cred->uids->ids[0] : + (libfuse_params.force_uid ? libfuse_params.uid : geteuid()); + ctx->gid = cred->gids->num ? cred->gids->ids[0] : + (libfuse_params.force_gid ? libfuse_params.gid : getegid()); + } + else + { + ctx->uid = libfuse_params.force_uid ? libfuse_params.uid : geteuid(); + ctx->gid = libfuse_params.force_gid ? libfuse_params.gid : getegid(); + } + + FUNC_EPILOGUE_NORET(); +} + /* Check whether to allow access to a node, testing the allow_root and * allow_other flag. This does not check whether default permissions * are okay to allow access. @@ -105,7 +147,10 @@ netfs_validate_stat (struct node *node, struct iouser *cred) FUNC_RETURN(EPERM); if(FUSE_OP_HAVE(getattr)) - err = -FUSE_OP_CALL(getattr, node->nn->path, &node->nn_stat); + { + refresh_context_struct(cred); + err = -FUSE_OP_CALL(getattr, node->nn->path, &node->nn_stat); + } if(! err) { @@ -267,7 +312,10 @@ netfs_attempt_statfs (struct iouser *cred, struct node *node, err = EPERM; else if(FUSE_OP_HAVE(statfs)) - err = -FUSE_OP_CALL(statfs, node->nn->path, st); + { + refresh_context_struct(cred); + err = -FUSE_OP_CALL(statfs, node->nn->path, st); + } else err = EOPNOTSUPP; @@ -482,7 +530,10 @@ error_t netfs_attempt_syncfs (struct iouser *cred, int wait) if(test_allow_root_or_other(cred)) err = EPERM; else - err = fuse_sync_filesystem(); + { + refresh_context_struct(cred); + err = fuse_sync_filesystem(); + } FUNC_EPILOGUE(err); } |