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) {
- printf("Error receiving arguments over the control buffer\n");
+ fprintf(logfd,"Error receiving arguments over the control buffer\n");
+ close(logfd);
exit(1);
}
}
if (*(ptr+3)!='\0') {
char *new_data = (char *) malloc(arg_length);
char *head = (char *) malloc(arg_length);
- char *tail = (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);
+ sprintf(new_data,"%sfd=%d%s",head,new_fd,tail);
strcpy(data,new_data);
- free(new_data);
free(head);
- free(tail);
+ free(new_data);
return fd;
}
else
void check_source(char *source) {
source[arg_length-1]='\0';
if (strchr(source,'/') || strstr(source,"..")) {
- printf("Tried mounting with source = %s\n", 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,"..")) {
- printf("Tried mounting with target = %s\n", target);
+ fprintf(logfd,"Tried mounting with target = %s\n", target);
+ close(logfd);
exit(1);
}
}
void check_fstype(char *filesystemtype) {
if (strncmp(filesystemtype,"fuse",4)) {
- printf("Tried mounting filesystem type %s\n", filesystemtype);
+ 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[256];
+ char source[128],target[128],filesystemtype[128],data[128],slice_target[1024];
int received;
}
char *slice_name = argv[1];
+
+ logfd=fopen("/tmp/fuselog","w");
+ if (!logfd) {logfd = stderr;}
sscanf(argv[2],"%d", &control_channel_fd);
check_target(target);
check_fstype(filesystemtype);
- sprintf(slice_target,"/vservers/%s/%s", target);
+ 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);
exit(1);
}
+ close(logfd);
return 0;
}