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/*
* Interface to AFS with the arla package and Kerberos authentication
*/
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <sys/ioctl.h>
#if defined( sparc )
#include <sys/ioccom.h>
#endif
#define MAXSIZE 2048
#include <ktypes.h>
#include <kafs.h>
/* #include "../arla-0.13/appl/fs_local.h" */
struct VolumeStatus {
int32_t Vid;
int32_t ParentId;
char Online;
char InService;
char Blessed;
char NeedsSalvage;
int32_t Type;
int32_t MinQuota;
int32_t MaxQuota;
int32_t BlocksInUse;
int32_t PartBlocksAvail;
int32_t PartMaxBlocks;
};
#ifdef SunOS4
#define _VICEIOCTL(id) ((unsigned int ) _IOW(V, id, struct ViceIoctl))
#endif
/*
* Check if AFS is installed
*/
int afs_check(void)
{
return k_hasafs();
}
/*
* report quota
*/
int afs_getquota(char *path, int *maxQuota, int *blocksUsed)
{
struct ViceIoctl a_params;
struct VolumeStatus *vs;
a_params.in_size = 0;
a_params.out_size = MAXSIZE;
a_params.in = NULL;
a_params.out = malloc(MAXSIZE);
if (a_params.out == NULL) {
errno = ENOMEM;
return -1;
}
if (k_pioctl(path, VIOCGETVOLSTAT,&a_params,1) == -1) {
free(a_params.out);
return -1;
}
vs = (struct VolumeStatus *) a_params.out;
*maxQuota = vs->MaxQuota;
*blocksUsed = vs->BlocksInUse;
free(a_params.out);
return 0;
}
/*
* Usage: fs sq <path> <max quota in kbytes>
*/
int afs_setqlim(char *path, int maxQuota)
{
struct ViceIoctl a_params;
struct VolumeStatus *vs;
int insize;
a_params.in_size = 0;
a_params.out_size = MAXSIZE;
a_params.in = NULL;
a_params.out = malloc(MAXSIZE);
if (a_params.out == NULL) {
errno = ENOMEM;
return -1;
}
/* Read the old volume status */
if(k_pioctl(path,VIOCGETVOLSTAT,&a_params,1) == -1) {
free(a_params.out);
return -1;
}
insize = sizeof(struct VolumeStatus) + strlen(path) + 2;
a_params.in_size = ((MAXSIZE < insize) ? MAXSIZE : insize);
a_params.out_size = 0;
a_params.in = a_params.out;
a_params.out = NULL;
vs = (struct VolumeStatus *) a_params.in;
vs->MaxQuota = maxQuota;
if(k_pioctl(path,VIOCSETVOLSTAT,&a_params,1) == -1) {
free(a_params.in);
return -1;
}
free(a_params.in);
return 0;
}
#ifdef STAND_ALONE
int main(int argc, char **argv)
{
int usage, limit;
if (afs_check()) {
if (afs_getquota("/afs/ifh.de/user/z/zorner", &limit, &usage) == 0) {
printf("limit=%d usage=%d\n", limit, usage);
}
else
perror("Not an AFS filesystem");
}
else {
printf("No AFS available\n");
}
}
#endif
/*
* Compiler options for standalone compilation
*/
/*
AIX:
cc afsquota.c -L/products/security/athena/lib -lkafs -ldes -lkrb -lroken -lld
IRIX:
cc afsquota.c -L/products/security/athena/lib -lkafs -ldes -lkrb \
-Wl,-rpath -Wl,/products/security/athena/lib
Linux:
cc afsquota.c -L/products/security/athena/lib -lkafs -ldes -lkrb \
-Wl,-rpath -Wl,/products/security/athena/lib
HP-UX:
cc -Ae afsquota.c -L/products/security/athena/lib -lkafs -ldes -lkrb
Solaris: (Workshop compiler)
cc afsquota.c -L/products/security/athena/lib -lkafs -ldes -lkrb \
-Wl,-R -Wl,/products/security/athena/lib
SunOS:
acc afsquota.c -U__STDC__ -DSunOS4 \
-L/products/security/athena/lib -lkafs -ldes -lkrb
*/
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