324 lines
8.5 KiB
C
324 lines
8.5 KiB
C
/*
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* Copyright 1991, Silicon Graphics, Inc.
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* All Rights Reserved.
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*
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* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;
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* the contents of this file may not be disclosed to third parties, copied or
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* duplicated in any form, in whole or in part, without the prior written
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* permission of Silicon Graphics, Inc.
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*
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* RESTRICTED RIGHTS LEGEND:
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* Use, duplication or disclosure by the Government is subject to restrictions
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* as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data
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* and Computer Software clause at DFARS 252.227-7013, and/or in similar or
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* successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished -
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* rights reserved under the Copyright Laws of the United States.
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*/
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#include "mac.h"
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/*
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* bsdgetpgrp_mac.c -- MAC read tests for BSDgetpgrp() system call.
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*/
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static int bsdgetpgrp_mac1(struct macinfo_2 *parmsptr);
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static struct macinfo_2
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bsdgetpgrp_minfo[] =
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{
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/*
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case case c_flag expect Object Subject unused
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name number success errno MSEN MINT MSEN MINT
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*/
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"pos00", 0, 0, PASS, 0, MSL, MIE, MSA, MIE, 0,
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"neg00", 1, 0, FAIL, EACCES, MSH, MIE, MSA, MIE, 0,
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"neg01", 2, 0, FAIL, EACCES, MSA, MIL, MSA, MIH, 0,
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};
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static char *bsdgetpgrp_mdesc[] = {
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"MSEN:S > O; MI:S < O; O_RDONLY",
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"MSEN:S !> O; MI:S < O; O_RDONLY",
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"MSEN:S > O; MI:S !< O; O_RDONLY",
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};
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int
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bsdgetpgrp_mac(void)
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{
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short ncases = 3; /* number of total test cases */
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int fail = 0; /* set when a test case fails */
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int incomplete = 0; /* set when a test case is incomplete */
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short i = 0; /* test case loop counter */
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char str[MSGLEN]; /* used to write to logfiles */
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char testname[SLEN]; /* used to write to logfiles */
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strcpy(testname,"bsdgetpgrp_mac");
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/*
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* Write formatted info to raw log.
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*/
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RAWLOG_SETUP(testname, ncases);
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/*
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* Call function for each test case.
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*/
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for (i = 0; i < ncases; i++) {
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/*
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* Flush output streams before calling a function that forks!
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*/
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flush_raw_log();
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switch (bsdgetpgrp_mac1(&bsdgetpgrp_minfo[i]) ) {
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/*
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* Write formatted result to raw log.
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*/
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case PASS: /* Passed */
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RAWPASS(bsdgetpgrp_minfo[i].casenum, bsdgetpgrp_minfo[i].casename);
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break;
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case FAIL: /* Failed */
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RAWFAIL(bsdgetpgrp_minfo[i].casenum, bsdgetpgrp_minfo[i].casename,
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bsdgetpgrp_mdesc[i]);
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fail = 1;
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break;
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default:
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RAWINC(bsdgetpgrp_minfo[i].casenum, bsdgetpgrp_minfo[i].casename);
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incomplete = 1;
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break; /* Incomplete */
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}
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flush_raw_log();
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}
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/*
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* Return 0, 1, or 2 to calling function, which records
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* result in summary log. If ANY case failed or was
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* incomplete, the whole test is recorded as failed or
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* incomplete. Incomplete supercedes fail.
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*/
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if (incomplete)
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return(INCOMPLETE);
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if (fail)
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return(FAIL);
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return(PASS);
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}
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static int bsdgetpgrp_mac1(struct macinfo_2 *parmsptr)
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{
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char buf[4]; /* Used in pipe read/writes. */
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char testname[SLEN]; /* used to write to logfiles */
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char namestring[MSGLEN]; /* Used in error messages. */
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int O_S_fd[2]; /* O writes, S reads. */
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int S_O_fd[2]; /* S writes, O reads. */
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pid_t retval = 0; /* Return value of test call. */
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pid_t forkval1 = 0; /* O's pid returned to parent */
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pid_t forkval2 = 0; /* S's pid returned to parent */
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pid_t Opid = 0; /* O's pid returned by getpid in O */
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int status0; /* For wait. */
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int exitstatus0; /* For wait. */
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int status1; /* For wait. */
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int exitstatus1; /* For wait. */
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mac_t lptr; /* MAC label pointer. */
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strcpy(testname,"bsdgetpgrp_mac");
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strcpy (buf, "abc"); /* Stuff to write to pipe. */
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sprintf(namestring, "%s, case %d, %s:\n ", testname,
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parmsptr->casenum, parmsptr->casename);
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/*
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* Make 2 pipes.
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*/
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if ( pipe(O_S_fd) || pipe(S_O_fd) ) {
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w_error(SYSCALL, namestring, err[F_PIPE], errno);
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return(INCOMPLETE);
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}
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/*
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* Fork Object.
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*/
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if ( ( forkval1 = fork() ) == -1 ) {
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w_error(SYSCALL, namestring, err[F_FORK], errno);
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return(INCOMPLETE);
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}
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/*
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* This is the parent after forking Object.
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*/
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if (forkval1) {
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/*
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* Fork S.
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*/
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if ( ( forkval2 = fork() ) == -1 ) {
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w_error(SYSCALL, namestring, err[F_FORK], errno);
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return(INCOMPLETE);
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}
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}
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/*
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* This is the parent after forking Subject.
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*/
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if ( (forkval2) && (forkval1) ) {
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/*
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* Close all pipe fds.
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*/
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close(O_S_fd[0]);
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close(O_S_fd[1]);
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close(S_O_fd[0]);
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close(S_O_fd[1]);
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/*
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* Wait for Children. Return 2 if either child
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* has been killed or returns 2 or any other
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* unexpected event occurs. Otherwise, return 1 if one
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* child returns 1, otherwise 0.
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*/
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if (( wait(&status0) == -1 ) || ( wait(&status1) == -1 )) {
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w_error(SYSCALL, namestring, err[F_WAIT], errno);
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wait(&status1);
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return(INCOMPLETE);
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}
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if (( !WIFEXITED(status0) ) || ( !WIFEXITED(status1) )) {
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w_error(GENERAL, namestring, err[C_NOTEXIT], 0);
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return(INCOMPLETE);
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}
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if ( ( (exitstatus0 = WEXITSTATUS(status0)) == 2) ||
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( (exitstatus1 = WEXITSTATUS(status1)) == 2) ) {
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return(INCOMPLETE);
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}
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if ( (exitstatus0 == 1) || (exitstatus1 == 1) )
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return(FAIL);
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if ( (exitstatus0 == 0) || (exitstatus1 == 0) )
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return(PASS);
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}
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/*
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* This is S, the Subject process.
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*/
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if ( (forkval1) && (!forkval2) ) {
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/*
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* Close pipe descriptors S does not use.
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*/
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close(O_S_fd[1]);
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close(S_O_fd[0]);
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/*
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* Malloc a mac_label pointer
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*/
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lptr = mac_get_proc();
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/*
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* Set S process label.
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*/
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lptr->ml_msen_type = parmsptr->S_msen;
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lptr->ml_mint_type = parmsptr->S_mint;
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if ( cap_setplabel(lptr) ) {
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w_error(SYSCALL, namestring, err[F_SETPLABEL], errno);
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exit(INCOMPLETE);
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}
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mac_free(lptr);
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/*
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* Read what O wrote to the pipe.
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*/
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if ( (read(O_S_fd[0], buf, sizeof(buf))) != sizeof(buf)) {
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w_error(SYSCALL, namestring, err[PIPEREAD_S], errno);
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exit(INCOMPLETE);
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}
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/*
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* Here's the test: Call BSDgetpgrp with O's pid.
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*/
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retval = BSDgetpgrp(forkval1);
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/*
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* Write to the pipe so O can go away.
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*/
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if ( (write(S_O_fd[1], buf, sizeof(buf)))
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!= (sizeof(buf)) ) {
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w_error(SYSCALL, namestring, err[PIPEWRITE_S], errno);
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exit(INCOMPLETE);
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}
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/*
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* Positive test cases:
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* Retval should be O's gid, which O set to its pid.
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*/
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if (parmsptr->expect_success == PASS ) {
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if ( retval == -1 ){
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w_error(SYSCALL, namestring, err[TESTCALL], errno);
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exit(FAIL);
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}
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if (retval != forkval1) {
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w_error(PRINTNUM, namestring, err[TEST_RETVAL],
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retval);
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exit(FAIL);
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}
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exit(PASS);
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}
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/*
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* For negative test cases, retval should be -1 and
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* errno should equal parmsptr->expect_errno.
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*/
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if ( retval != -1 ){
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w_error(PRINTNUM, namestring, err[TEST_RETVAL], retval);
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exit(FAIL);
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}
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if (errno != parmsptr->expect_errno) {
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w_error(SYSCALL, namestring, err[TEST_ERRNO], errno);
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exit(FAIL);
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}
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exit(PASS);
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}
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/*
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* This is O, the Object process.
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*/
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/*
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* Begin O code. Close pipe descriptors that O does not use.
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*/
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close(O_S_fd[0]);
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close(S_O_fd[1]);
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/*
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* Set O's pgid to its pid.
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*/
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Opid = getpid();
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if ( BSDsetpgrp(0, Opid) == -1 ){
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w_error(SYSCALL, namestring, err[F_BSDSETPGRP], errno);
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}
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if ( getpgrp() != Opid ) {
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w_error(GENERAL, namestring, err[BADPGID], 0);
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exit(INCOMPLETE);
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}
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/*
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* Malloc a mac_label pointer
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*/
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lptr = mac_get_proc();
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/*
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* Set O process label.
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*/
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lptr->ml_msen_type = parmsptr->O_msen;
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lptr->ml_mint_type = parmsptr->O_mint;
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if ( cap_setplabel(lptr) ) {
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w_error(SYSCALL, namestring, err[F_SETPLABEL], errno);
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exit(INCOMPLETE);
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}
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mac_free(lptr);
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/*
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* Write to the pipe so S can proceed.
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*/
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if ( write(O_S_fd[1], buf, sizeof(buf))
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!= (sizeof(buf)) ) {
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w_error(SYSCALL, namestring, err[PIPEWRITE_O], errno);
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exit(INCOMPLETE);
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}
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/*
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* Stay alive until S writes to the pipe.
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*/
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if ( (read(S_O_fd[0], buf, sizeof(buf))) != sizeof(buf) ) {
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w_error(SYSCALL, namestring, err[PIPEREAD_O], errno);
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exit(INCOMPLETE);
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}
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exit(PASS);
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return(PASS);
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/*
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* End O code.
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*/
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}
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