From 2e6e69d8f76841aedd9d93e0b7b89e52c9afe520 Mon Sep 17 00:00:00 2001
From: Sapan Bhatia <sapanb@cs.princeton.edu>
Date: Tue, 26 May 2009 00:45:54 +0000
Subject: [PATCH] Actually, just decided that you don't need vsys for this.
---
fd_myntp.c | 138 -----------------------------------------------------
1 file changed, 138 deletions(-)
delete mode 100644 fd_myntp.c
diff --git a/fd_myntp.c b/fd_myntp.c
deleted file mode 100644
index 5c29c98..0000000
--- a/fd_myntp.c
+++ /dev/null
@@ -1,138 +0,0 @@
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/mount.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <errno.h>
-#include <string.h>
-#include "fdpass.h"
-
-unsigned int rcvbuf = 16*1024*1024;
-unsigned int arg_length = 128;
-unsigned int mountflags = MS_NODEV | MS_NOSUID;
-
-FILE *logfd;
-
-void receive_argument(int control_channel_fd, char *source) {
- int received;
- received=recv(control_channel_fd, source, arg_length, 0);
- if (received<arg_length) {
- fprintf(logfd,"Error receiving arguments over the control buffer\n");
- close(logfd);
- exit(1);
- }
-}
-
-int set_magic_fd (char *data, int new_fd) {
- char *ptr;
- int fd;
-
- data[arg_length-1]='\0';
- ptr = strstr(data,"fd=");
- if (!ptr)
- return -1;
-
- // Found two fd= expressions
- if (strstr(ptr+3,"fd="))
- return -1;
-
- if (*(ptr+3)!='\0') {
- char *new_data = (char *) malloc(arg_length);
- char *head = (char *) malloc(arg_length);
- char *tail;
- sscanf(ptr+3,"%d",&fd);
- strncpy(head, data, ptr - data);
- tail = strchr(ptr+3,',');
- sprintf(new_data,"%sfd=%d%s",head,new_fd,tail);
- strcpy(data,new_data);
- free(head);
- free(new_data);
- return fd;
- }
- else
- return -1;
-}
-
-void check_source(char *source) {
- source[arg_length-1]='\0';
- if (strchr(source,'/') || strstr(source,"..")) {
- fprintf(logfd, "Tried mounting with source = %s\n", source);
- close(logfd);
- exit(1);
- }
-}
-
-void check_target(char *target) {
- target[arg_length-1]='\0';
- if (strstr(target,"..")) {
- fprintf(logfd,"Tried mounting with target = %s\n", target);
- close(logfd);
- exit(1);
- }
-}
-
-void check_fstype(char *filesystemtype) {
- if (strncmp(filesystemtype,"fuse",4)) {
- fprintf(logfd,"Tried mounting filesystem type %s\n", filesystemtype);
- close(logfd);
- exit(1);
- }
-}
-
-int main(int argc, char *argv[]) {
- int control_channel_fd, magic_fd, mount_fd;
- char source[128],target[128],filesystemtype[128],data[128],slice_target[1024];
-
- int received;
-
- if (argc < 3) {
- printf("This script is called by vsys.\n");
- exit(1);
- }
-
- char *slice_name = argv[1];
-
- logfd=fopen("/tmp/fuselog","w");
- if (!logfd) {logfd = stderr;}
-
- sscanf(argv[2],"%d", &control_channel_fd);
-
- if (control_channel_fd <3 || control_channel_fd > 1023) {
- printf ("Got control_channel_fd = %d\n", control_channel_fd);
- exit(1);
- }
-
- receive_argument(control_channel_fd, source);
- receive_argument(control_channel_fd, target);
- receive_argument(control_channel_fd, filesystemtype);
- receive_argument(control_channel_fd, data);
-
- mount_fd = receive_fd (control_channel_fd);
-
- if (mount_fd < 2) {
- printf("mount_fd = %d\n", mount_fd);
- exit(1);
- }
-
- set_magic_fd(data, mount_fd);
-
-
- check_source(source);
- check_target(target);
- check_fstype(filesystemtype);
-
- sprintf(slice_target,"/vservers/%s/%s", slice_name, target);
-
- fprintf(logfd, "Mount fd: %d Source: %s slice_target: %s fstype: %s mountflags: %d data: %s\n", mount_fd, source, slice_target, filesystemtype, mountflags, data);
-
- if (!mount(source, slice_target, filesystemtype, mountflags, data)) {
- send_fd(control_channel_fd, mount_fd);
- }
- else {
- printf ("Error executing mount\n");
- exit(1);
- }
-
- close(logfd);
- return 0;
-}
--
2.47.0