3e00ddf50d
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@9089 ec53bebd-3082-4978-b11e-865c3cabbd6b
151 lines
3.2 KiB
C
151 lines
3.2 KiB
C
/* Test the k5dcepag routine by setting a pag, and
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* and execing a shell under this pag.
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*
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* This allows you to join a PAG which was created
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* earlier by some other means.
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* for example k5dcecon
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*
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* Must be run as root for testing only.
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*
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*/
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#include <stdio.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <setjmp.h>
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#include <errno.h>
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#define POSIX_SETJMP
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#define POSIX_SIGNALS
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#ifdef POSIX_SIGNALS
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typedef struct sigaction handler;
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#define handler_init(H,F) (sigemptyset(&(H).sa_mask), \
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(H).sa_flags=0, \
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(H).sa_handler=(F))
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#define handler_swap(S,NEW,OLD) sigaction(S, &NEW, &OLD)
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#define handler_set(S,OLD) sigaction(S, &OLD, NULL)
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#else
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typedef sigtype (*handler)();
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#define handler_init(H,F) ((H) = (F))
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#define handler_swap(S,NEW,OLD) ((OLD) = signal ((S), (NEW)))
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#define handler_set(S,OLD) (signal ((S), (OLD)))
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#endif
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typedef void sigtype;
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/*
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* We could include the dcedfs/syscall.h which should have these
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* numbers, but it has extra baggage. So for
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* simplicity sake now, we define these here.
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*/
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#define AFSCALL_SETPAG 2
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#define AFSCALL_GETPAG 11
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#if defined(sun)
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#define AFS_SYSCALL 72
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#elif defined(hpux)
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/* assume HPUX 10 + or is it 50 */
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#define AFS_SYSCALL 326
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#elif defined(_AIX)
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#define DPAGAIX "dpagaix"
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/* #define DPAGAIX "/krb5/sbin/dpagaix" */
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#elif defined(sgi) || defined(_sgi)
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#define AFS_SYSCALL 206+1000
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#else
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#define AFS_SYSCALL (Unknown_DFS_AFS_SYSCALL)
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#endif
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static sigjmp_buf setpag_buf;
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static sigtype mysig()
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{
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siglongjmp(setpag_buf, 1);
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}
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int krb5_dfs_newpag(new_pag)
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int new_pag;
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{
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handler sa1, osa1;
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handler sa2, osa2;
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int pag = -1;
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handler_init (sa1, mysig);
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handler_init (sa2, mysig);
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handler_swap (SIGSYS, sa1, osa1);
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handler_swap (SIGSEGV, sa2, osa2);
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if (sigsetjmp(setpag_buf, 1) == 0) {
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#if defined(_AIX)
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int (*dpagaix)(int, int, int, int, int, int);
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if (dpagaix = load(DPAGAIX, 0, 0))
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pag = (*dpagaix)(AFSCALL_SETPAG, new_pag, 0, 0, 0, 0);
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#else
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pag = syscall(AFS_SYSCALL,AFSCALL_SETPAG, new_pag, 0, 0, 0, 0);
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#endif
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handler_set (SIGSYS, osa1);
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handler_set (SIGSEGV, osa2);
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return(pag);
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}
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fprintf(stderr,"Setpag failed with a system error\n");
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/* syscall failed! return 0 */
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handler_set (SIGSYS, osa1);
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handler_set (SIGSEGV, osa2);
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return(-1);
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}
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main(argc, argv)
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int argc;
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char *argv[];
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{
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extern int optind;
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extern char *optarg;
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int rv;
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int rc;
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unsigned int pag;
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unsigned int newpag = 0;
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char ccname[256];
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int nflag = 0;
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while((rv = getopt(argc,argv,"n:")) != -1) {
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switch(rv) {
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case 'n':
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nflag++;
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sscanf(optarg,"%8x",&newpag);
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break;
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default:
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printf("Usage: k5dcepagt -n pag \n");
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exit(1);
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}
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}
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if (nflag) {
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fprintf (stderr,"calling k5dcepag newpag=%8.8x\n",newpag);
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pag = krb5_dfs_newpag(newpag);
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fprintf (stderr,"PAG returned = %8.8x\n",pag);
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if ((pag != 0) && (pag != -1)) {
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sprintf (ccname,
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"FILE:/opt/dcelocal/var/security/creds/dcecred_%8.8x",
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pag);
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esetenv("KRB5CCNAME",ccname,1);
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execl("/bin/csh","csh",0);
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}
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else {
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fprintf(stderr," Not a good pag value\n");
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}
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}
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}
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