diff options
| -rw-r--r-- | tools/virtiofsd/fuse.h | 20 | ||||
| -rw-r--r-- | tools/virtiofsd/fuse_lowlevel.c | 77 | ||||
| -rw-r--r-- | tools/virtiofsd/fuse_lowlevel.h | 21 |
3 files changed, 0 insertions, 118 deletions
diff --git a/tools/virtiofsd/fuse.h b/tools/virtiofsd/fuse.h index 7a4c713559..aba13fef2d 100644 --- a/tools/virtiofsd/fuse.h +++ b/tools/virtiofsd/fuse.h @@ -1007,26 +1007,6 @@ void fuse_exit(struct fuse *f); struct fuse_context *fuse_get_context(void); /** - * Get the current supplementary group IDs for the current request - * - * Similar to the getgroups(2) system call, except the return value is - * always the total number of group IDs, even if it is larger than the - * specified size. - * - * The current fuse kernel module in linux (as of 2.6.30) doesn't pass - * the group list to userspace, hence this function needs to parse - * "/proc/$TID/task/$TID/status" to get the group IDs. - * - * This feature may not be supported on all operating systems. In - * such a case this function will return -ENOSYS. - * - * @param size size of given array - * @param list array of group IDs to be filled in - * @return the total number of supplementary group IDs or -errno on failure - */ -int fuse_getgroups(int size, gid_t list[]); - -/** * Check if the current request has already been interrupted * * @return 1 if the request has been interrupted, 0 otherwise diff --git a/tools/virtiofsd/fuse_lowlevel.c b/tools/virtiofsd/fuse_lowlevel.c index de2e2e0c65..01c418aade 100644 --- a/tools/virtiofsd/fuse_lowlevel.c +++ b/tools/virtiofsd/fuse_lowlevel.c @@ -2667,83 +2667,6 @@ int fuse_lowlevel_is_virtio(struct fuse_session *se) return !!se->virtio_dev; } -#ifdef linux -int fuse_req_getgroups(fuse_req_t req, int size, gid_t list[]) -{ - char *buf; - size_t bufsize = 1024; - char path[128]; - int ret; - int fd; - unsigned long pid = req->ctx.pid; - char *s; - - sprintf(path, "/proc/%lu/task/%lu/status", pid, pid); - -retry: - buf = malloc(bufsize); - if (buf == NULL) { - return -ENOMEM; - } - - ret = -EIO; - fd = open(path, O_RDONLY); - if (fd == -1) { - goto out_free; - } - - ret = read(fd, buf, bufsize); - close(fd); - if (ret < 0) { - ret = -EIO; - goto out_free; - } - - if ((size_t)ret == bufsize) { - free(buf); - bufsize *= 4; - goto retry; - } - - ret = -EIO; - s = strstr(buf, "\nGroups:"); - if (s == NULL) { - goto out_free; - } - - s += 8; - ret = 0; - while (1) { - char *end; - unsigned long val = strtoul(s, &end, 0); - if (end == s) { - break; - } - - s = end; - if (ret < size) { - list[ret] = val; - } - ret++; - } - -out_free: - free(buf); - return ret; -} -#else /* linux */ -/* - * This is currently not implemented on other than Linux... - */ -int fuse_req_getgroups(fuse_req_t req, int size, gid_t list[]) -{ - (void)req; - (void)size; - (void)list; - return -ENOSYS; -} -#endif - void fuse_session_exit(struct fuse_session *se) { se->exited = 1; diff --git a/tools/virtiofsd/fuse_lowlevel.h b/tools/virtiofsd/fuse_lowlevel.h index 138041e5f1..8f6d705b5c 100644 --- a/tools/virtiofsd/fuse_lowlevel.h +++ b/tools/virtiofsd/fuse_lowlevel.h @@ -1705,27 +1705,6 @@ void *fuse_req_userdata(fuse_req_t req); const struct fuse_ctx *fuse_req_ctx(fuse_req_t req); /** - * Get the current supplementary group IDs for the specified request - * - * Similar to the getgroups(2) system call, except the return value is - * always the total number of group IDs, even if it is larger than the - * specified size. - * - * The current fuse kernel module in linux (as of 2.6.30) doesn't pass - * the group list to userspace, hence this function needs to parse - * "/proc/$TID/task/$TID/status" to get the group IDs. - * - * This feature may not be supported on all operating systems. In - * such a case this function will return -ENOSYS. - * - * @param req request handle - * @param size size of given array - * @param list array of group IDs to be filled in - * @return the total number of supplementary group IDs or -errno on failure - */ -int fuse_req_getgroups(fuse_req_t req, int size, gid_t list[]); - -/** * Callback function for an interrupt * * @param req interrupted request |