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irix-657m-src/eoe/cmd/epltest/irixbtest/agent_mac.c
2022-09-29 17:59:04 +03:00

929 lines
26 KiB
C

/*
* Copyright 1991, Silicon Graphics, Inc.
* All Rights Reserved.
*
* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;
* the contents of this file may not be disclosed to third parties, copied or
* duplicated in any form, in whole or in part, without the prior written
* permission of Silicon Graphics, Inc.
*
* RESTRICTED RIGHTS LEGEND:
* Use, duplication or disclosure by the Government is subject to restrictions
* as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data
* and Computer Software clause at DFARS 252.227-7013, and/or in similar or
* successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished -
* rights reserved under the Copyright Laws of the United States.
*/
#include "soc.h"
/*
* Timeout values
*/
#define TV_SEC 1
#define TV_USEC 200000
/*
* agent_mac.c -- Sets various labels on sending and receiving
* sockets and tests whether the message is received. It should
* be received if and only if the labels are equal.
*/
/*
* agent_mac1() tests INET sockets.
*/
static int agent_mac1(int n, int type,
struct msen_l* sendmsenptr, struct mint_l* sendmintptr,
struct msen_l* recvmsenptr, struct mint_l* recvmintptr);
/*
* agent_mac2() tests UNIX sockets.
*/
static int agent_mac2(int n, int type,
struct msen_l* sendmsenptr, struct mint_l* sendmintptr,
struct msen_l* recvmsenptr, struct mint_l* recvmintptr);
static char smsg[] = "Hello"; /* Message sent by client */
static short npos = 0; /* Count of positive cases */
static char casename[SLEN]; /* used to write to logfiles */
int
agent_mac(void)
{
short ncases = (NDOMAINS * NTYPES * NMSEN * NMINT * NMSEN * NMINT);
/* Number of test cases */
register short n = 0; /* Test case counter */
register short i,j,l,m,o,p; /* Array indices */
int fail = 0; /* set when a test case fails */
int incomplete = 0; /* set when a test case is incomplete */
short retval = 0; /* return value of test subroutine */
char str[MSGLEN]; /* used to write to logfiles */
char desc[MSGLEN]; /* used to write to logfiles */
char testname[SLEN]; /* used to write to logfiles */
char domainstr[SLEN]; /* domain description string */
char namestring[MSGLEN]; /* Used in error messages. */
strcpy(testname,"agent_mac");
/*
* Write formatted info to raw log.
*/
RAWLOG_SETUP(testname, ncases);
/*
* Set lo0 interface to SGIPSO2 with full label range.
*/
/* if (system("iflabel lo0 SGIPSO2 msenhigh/mintlow msenlow/minthigh 3")) { */
if (system("iflabel lo0 SGIPSO2 attributes=msen,mint min_msen=msenlow max_msen=msenhigh min_mint=mintlow max_mint=minthigh 3")) {
w_error(GENERAL, namestring, err[F_SYSIFLABEL], 0);
return(INCOMPLETE);
}
/*
* Call function for each test case
*/
for (i = 0; i < NDOMAINS; i++) {
for (j = 0; j < NTYPES; j++) {
for (l = 0; l < NMSEN; l++) {
for (m = 0; m < NMINT; m++) {
for (o = 0; o < NMSEN; o++) {
for (p = 0; p < NMINT; p++) {
flush_raw_log();
if (domain[i] == AF_INET) {
/*
* Call agent_mac1 to test
* INET domain sockets.
*/
retval = agent_mac1(n, type[j],
&msenlist[l],
&mintlist[m],
&msenlist[o],
&mintlist[p]);
strcpy(domainstr, "INET");
}
else {
/*
* Call agent_mac2 to test
* UNIX domain sockets.
*/
retval = agent_mac2(n, type[j],
&msenlist[l],
&mintlist[m],
&msenlist[o],
&mintlist[p]);
strcpy(domainstr, "UNIX");
}
switch ( retval ) {
/*
* Write formatted result to raw log.
*/
case PASS: /* Passed */
RAWPASS(n, casename);
break;
case FAIL: /* Failed */
sprintf(desc, "%s, %s, %s/%s, %s/%s",
domainstr, typedesc[j],
msendesc[l], mintdesc[m],
msendesc[o], mintdesc[p]);
RAWFAIL(n, casename, desc);
fail = 1;
break;
default:
RAWINC(n, casename);
incomplete = 1;
break; /* Incomplete */
}
n++;
flush_raw_log();
}
}
}
}
}
}
/*
* Return 0, 1, or 2 to calling function, which records
* result in summary log. If ANY case failed or was
* incomplete, the whole test is recorded as failed or
* incomplete. Incomplete supercedes fail.
*/
if (incomplete)
return(INCOMPLETE);
if (fail)
return(FAIL);
return(PASS);
}
/*
* agent_mac1 first compares send and receive labels using mac_equal
* to determine whether this is a positive or negative test case. Then it
* forks a server process that sets its process label, creates and binds
* a socket, then calls getsockname to get the port number. Once the
* port number is known, it forks a client process which sets its process
* label, creates a socket, and attempts to connect or send. The server
* then calls select. Negative cases should time out and positive cases
* should detect 1 fd.
*/
static int
agent_mac1(int n, int type, struct msen_l* sendmsenptr,
struct mint_l* sendmintptr, struct msen_l* recvmsenptr,
struct mint_l* recvmintptr)
{
register char i = 0; /* cat/div loop counter */
char testname[SLEN]; /* used to write to logfiles */
char namestring[MSGLEN]; /* Used in error messages. */
int retval = 0; /* Return value of select call. */
pid_t forkval1 = 0; /* Child (server) pid */
pid_t forkval2 = 0; /* Grandchild (client) pid */
mac_t slptr; /* Pointer to client MAC label. */
mac_t rlptr; /* Pointer to server MAC label. */
int status; /* For wait. */
struct sockaddr_in sad, sad2; /* Socket addresses */
int sd, sd2; /* Socket descriptors */
int sadsize; /* Address sizes */
fd_set r_set; /* For select */
struct timeval timeout; /* For select */
short expect_success; /* set PASS if send and recv */
char pipebuf[4]; /* Used in pipe read/writes. */
int pipefd1[2]; /* For synchronization. */
int pipefd2[2]; /* For synchronization. */
/* labels are equal */
strcpy(testname,"agent_mac");
strcpy (pipebuf, "abc"); /* Stuff to write to pipe. */
/*
* Determine whether this is a positive or negative test case,
* that is, whether the send and receive labels are evaluated
* as equal by the function mac_equal.
*/
/*
* Set up slptr.
*/
slptr = mac_get_proc();
slptr->ml_msen_type = sendmsenptr->msen;
slptr->ml_level = sendmsenptr->level;
slptr->ml_catcount = sendmsenptr->catcount;
for (i = 0; i < sendmsenptr->catcount; i++) {
slptr->ml_list[i] = sendmsenptr->catlist[i];
}
slptr->ml_mint_type = sendmintptr->mint;
slptr->ml_grade = sendmintptr->grade;
slptr->ml_divcount = sendmintptr->divcount;
for (i = 0; i < sendmintptr->divcount; i++) {
slptr->ml_list[i + sendmsenptr->catcount] =
sendmintptr->divlist[i];
}
/*
* Set rlptr.
*/
rlptr = mac_get_proc();
rlptr->ml_msen_type = recvmsenptr->msen;
rlptr->ml_level = recvmsenptr->level;
rlptr->ml_catcount = recvmsenptr->catcount;
for (i = 0; i < recvmsenptr->catcount; i++) {
rlptr->ml_list[i] = recvmsenptr->catlist[i];
}
rlptr->ml_mint_type = recvmintptr->mint;
rlptr->ml_grade = recvmintptr->grade;
rlptr->ml_divcount = recvmintptr->divcount;
for (i = 0; i < recvmintptr->divcount; i++) {
rlptr->ml_list[i + recvmsenptr->catcount] =
recvmintptr->divlist[i];
}
/*
* If equal, set expect_success true, create positive
* casename, and increment static variable npos. Otherwise,
* set expect_success FAIL and create negative casename.
*/
if ( mac_equal(slptr, rlptr) ) {
expect_success = PASS ;
sprintf(namestring, "%s, case %d, pos%3.3d:\n ", testname, n, npos);
sprintf(casename, "pos%d",npos++);
}
else {
expect_success = FAIL;
sprintf(namestring, "%s, case %d, neg%3.3d:\n ", testname, n,
(n - npos));
sprintf(casename, "neg%d", (n - npos));
}
/*
* Fork a child and wait for it.
*/
if ( ( forkval1 = fork() ) == -1 ) {
w_error(SYSCALL, namestring, err[F_FORK], errno);
return(INCOMPLETE);
}
/*
* This is the parent. Wait for child and return
* 2 on unexpected error. Otherwise, return child's
* exit code.
*/
if (forkval1) {
if ( wait(&status) < 0 ) {
w_error(SYSCALL, namestring, err[F_WAIT], errno);
return(INCOMPLETE);
}
if ( !WIFEXITED(status) ) {
w_error(GENERAL, namestring, err[C_NOTEXIT], 0);
return(INCOMPLETE);
}
return(WEXITSTATUS(status) );
}
/*
* This is the server process. Make 2 pipes.
*/
if ( pipe(pipefd1) || pipe(pipefd2) ) {
w_error(SYSCALL, namestring, err[F_PIPE], errno);
return(INCOMPLETE);
}
/*
* Set process label to rlptr.
*/
if ( cap_setplabel(rlptr) ) {
w_error(SYSCALL,namestring,err[F_SETPLABEL],errno);
exit(INCOMPLETE);
}
mac_free(rlptr);
/*
* Create a server socket.
*/
if ( (sd = socket(AF_INET, type, 0)) < 0 ) {
w_error(SYSCALL, namestring, err[F_SOCKET], errno);
exit(INCOMPLETE);
}
/*
* Initialize socket address appropriately
* for AF_INET and bind socket.
*/
memset((void *) &sad, '\0', sizeof(sad));
sad.sin_family = AF_INET;
sad.sin_port = 0;
sad.sin_addr.s_addr = INADDR_ANY;
if ( bind(sd, &sad, sizeof sad) < 0 ) {
w_error(SYSCALL, namestring, err[F_BIND], errno);
close(sd);
exit(INCOMPLETE);
}
/*
* Get port so client process can use it.
*/
sadsize = sizeof(sad);
if (getsockname(sd, &sad, &sadsize)) {
w_error(SYSCALL, namestring, err[F_GETSOCKNAME], errno);
close(sd);
exit(INCOMPLETE);
}
/*
* Now that we know the port, fork the client process.
*/
if ( ( forkval2 = fork() ) < 0 ) {
w_error(SYSCALL, namestring, err[F_FORK], errno);
close(sd);
exit(INCOMPLETE);
}
if (forkval2) {
/*
* This is still the server. Close pipe1's read fd and
* pipe2's write fd.
*/
close(pipefd1[0]);
close(pipefd2[1]);
/*
* If type is stream, call listen.
*/
if (type == SOCK_STREAM) {
if ((listen(sd, 1)) < 0) {
w_error(SYSCALL, namestring, err[F_LISTEN], errno);
close(sd);
exit(INCOMPLETE);
}
}
/*
* Read from pipe to ensure client is ready.
*/
if ((read(pipefd2[0], pipebuf, sizeof(pipebuf))) != sizeof(pipebuf) ) {
w_error(SYSCALL, namestring, err[PIPEREAD_O], errno);
exit(INCOMPLETE);
}
/*
* Write to pipe so client knows to connect/send.
*/
if ( (write(pipefd1[1], pipebuf, sizeof(pipebuf)))
!= (sizeof(pipebuf)) ) {
w_error(SYSCALL, namestring, err[PIPEWRITE_S], errno);
exit(INCOMPLETE);
}
/*
* Call select to determine whether test case
* passes or fails. Negative cases should time
* out. Positive cases should detect 1 fd to read.
*/
timeout.tv_sec = TV_SEC;
timeout.tv_usec = TV_USEC;
FD_ZERO(&r_set);
FD_SET(sd, &r_set);
if ( (retval = select(sd+1, &r_set, (fd_set *)0, (fd_set *)0,
&timeout)) < 0 ) {
w_error(SYSCALL, namestring, err[F_SELECT], errno);
close(sd);
exit(INCOMPLETE);
}
/*
* Clean up and wait for client process.
*/
close(sd);
if ( wait(&status) == -1 ) {
w_error(SYSCALL, namestring, err[F_WAIT], errno);
exit(INCOMPLETE);
}
if ( !WIFEXITED(status) ) {
w_error(GENERAL, namestring, err[C_NOTEXIT], 0);
exit(INCOMPLETE);
}
/*
* Evaluate retval. It should be 1 for positive
* cases and 0 for negative cases. If so, exit
* with child's exit status. If not, write error
* message and exit 1.
*/
if (expect_success == PASS ) {
/*
* positive case
*/
if (retval == 1) {
exit( WEXITSTATUS(status) );
}
w_error(GENERAL, namestring, err[T_SELECT], 0);
exit(FAIL);
}
/*
* negative case
*/
if (retval == 0) {
exit( WEXITSTATUS(status) );
}
w_error(GENERAL, namestring, err[U_SELECT], 0);
exit(FAIL);
}
/*
* This is the client process. Close server socket.
*/
close(sd);
#if 0
close(pipefd1[1]);
close(pipefd2[0]);
#endif
close(pipefd1[1]);
close(pipefd2[0]);
/*
* Set process label to slptr->
*/
if ( cap_setplabel(slptr) ) {
w_error(SYSCALL,namestring,err[F_SETPLABEL],errno);
exit(INCOMPLETE);
}
mac_free(slptr);
/*
* Create a client socket
*/
if ( (sd2 = socket(AF_INET, type, 0)) < 0 ) {
w_error(SYSCALL, namestring, err[F_SOCKET], errno);
exit(INCOMPLETE);
}
/*
* Initialize socket address appropriately
* for AF_INET.
*/
memset((void *) &sad2, '\0', sizeof(sad2));
sad2.sin_family = AF_INET;
sad2.sin_port = sad.sin_port;
/*
* Write to pipe so server knows we're ready.
*/
if ( (write(pipefd2[1], pipebuf, sizeof(pipebuf)))
!= (sizeof(pipebuf)) ) {
w_error(SYSCALL, namestring, err[PIPEWRITE_S], errno);
exit(INCOMPLETE);
}
/*
* Read from pipe to ensure that server socket is ready.
*/
if ( (read(pipefd1[0], pipebuf, sizeof(pipebuf))) != sizeof(pipebuf) ) {
w_error(SYSCALL, namestring, err[PIPEREAD_O], errno);
exit(INCOMPLETE);
}
/*
* If type is stream, call connect. If this is a
* negative case and connect fails with ECONNREFUSED, exit(0).
* If errno != ECONNREFUSED, this is an unexpected error, exit
* 2. If this is a positive case and connect failed with
* errno == ECONNREFUSED, the case failed, exit 1. If connect
* succeeds, continue.
*/
if ( type == SOCK_STREAM ) {
if (connect(sd2, &sad2, sizeof(sad2)) < 0) {
if (errno != ECONNREFUSED) {
w_error(SYSCALL, namestring, err[F_CONNECT], errno);
close(sd2);
exit(INCOMPLETE);
}
if (expect_success == PASS ) {
w_error(SYSCALL, namestring, err[F_CONNECT], errno);
close(sd2);
exit(FAIL);
}
else {
close(sd2);
exit(PASS);
}
}
#if 0
if ( (write(sd2, smsg, sizeof(smsg))) != sizeof(smsg)) {
w_error(SYSCALL, namestring, err[F_WRITE], errno);
close(sd2);
exit(INCOMPLETE);
}
#endif
}
/*
* If type is dgram, call sendto. If this is a
* negative case and sendto fails with ECONNREFUSED, exit(0).
* If errno != ECONNREFUSED, this is an unexpected error, exit
* 2. If this is a positive case and connect failed with
* errno == ECONREFUSED, the case failed, exit 1. If sendto
* succeeds, exit(0).
*/
else { /* SOCK_DGRAM */
if (sendto(sd2, smsg, sizeof(smsg), 0, &sad2, sizeof(sad2)) < 0 ) {
if (expect_success == PASS ) {
w_error(SYSCALL, namestring, err[F_CONNECT], errno);
close(sd2);
exit(FAIL);
}
if (errno != ECONNREFUSED) {
w_error(SYSCALL, namestring, err[F_CONNECT], errno);
close(sd2);
exit(INCOMPLETE);
}
}
}
close(sd2);
exit(PASS);
return(PASS);
}
/*
* agent_mac2 first compares send and receive labels using mac_equal
* to determine whether this is a positive or negative test case. Then
* it forks a server process which forks a client process. Each
* process sets its process label and creates a socket. The client
* attempts to connect or send. The server binds a name, then calls
* select. Negative cases should time out and positive cases should
* detect 1 fd.
*/
static int
agent_mac2(int n, int type, struct msen_l* sendmsenptr,
struct mint_l* sendmintptr, struct msen_l* recvmsenptr, struct
mint_l* recvmintptr)
{
register char i = 0; /* cat/div loop counter */
char testname[SLEN]; /* used to write to logfiles */
char namestring[MSGLEN]; /* Used in error messages. */
int retval = 0; /* Return value of select call. */
pid_t forkval1 = 0; /* Child (server) pid */
pid_t forkval2 = 0; /* Grandchild (client) pid */
mac_t slptr; /* Pointer to client MAC label. */
mac_t rlptr; /* Pointer to server MAC label. */
mac_t wlptr; /* Pointer to wildcard MAC label. */
int status; /* For wait. */
struct sockaddr sad; /* Socket addresses */
int sd; /* Socket descriptors */
fd_set r_set; /* For select */
struct timeval timeout; /* For select */
short expect_success; /* set PASS if send and recv */
char pipebuf[4]; /* Used in pipe read/writes. */
int pipefd1[2]; /* For synchronization. */
int pipefd2[2]; /* For synchronization. */
/* labels are equal */
strcpy(testname,"agent_mac");
strcpy (pipebuf, "abc"); /* Stuff to write to pipe. */
/*
* Determine whether this is a positive or negative test case,
* that is, whether the send and receive labels are evaluated
* as equal by the function mac_equal.
*/
/*
* Set up slptr.
*/
slptr = mac_get_proc();
slptr->ml_msen_type = sendmsenptr->msen;
slptr->ml_level = sendmsenptr->level;
slptr->ml_catcount = sendmsenptr->catcount;
for (i = 0; i < sendmsenptr->catcount; i++) {
slptr->ml_list[i] = sendmsenptr->catlist[i];
}
slptr->ml_mint_type = sendmintptr->mint;
slptr->ml_grade = sendmintptr->grade;
slptr->ml_divcount = sendmintptr->divcount;
for (i = 0; i < sendmintptr->divcount; i++) {
slptr->ml_list[i + sendmsenptr->catcount] =
sendmintptr->divlist[i];
}
/*
* Set rlptr.
*/
rlptr = mac_get_proc();
rlptr->ml_msen_type = recvmsenptr->msen;
rlptr->ml_level = recvmsenptr->level;
rlptr->ml_catcount = recvmsenptr->catcount;
for (i = 0; i < recvmsenptr->catcount; i++) {
rlptr->ml_list[i] = recvmsenptr->catlist[i];
}
rlptr->ml_mint_type = recvmintptr->mint;
rlptr->ml_grade = recvmintptr->grade;
rlptr->ml_divcount = recvmintptr->divcount;
for (i = 0; i < recvmintptr->divcount; i++) {
rlptr->ml_list[i + recvmsenptr->catcount] =
recvmintptr->divlist[i];
}
/*
* If equal, set expect_success true, create positive casename,
* and increment static variable npos. Otherwise, set
* expect_success FAIL and create negative casename.
*/
if ( mac_equal(slptr, rlptr) ) {
expect_success = PASS ;
sprintf(namestring, "%s, case %d, pos%3.3d:\n ", testname, n, npos);
sprintf(casename, "pos%d",npos++);
}
else {
expect_success = FAIL;
sprintf(namestring, "%s, case %d, neg%3.3d:\n ", testname, n,
(n - npos));
sprintf(casename, "neg%d", (n - npos));
}
/*
* Fork a child and wait for it.
*/
if ( ( forkval1 = fork() ) == -1 ) {
w_error(SYSCALL, namestring, err[F_FORK], errno);
return(INCOMPLETE);
}
/*
* This is the parent. Wait for child and return
* 2 on unexpected error. Otherwise, return child's
* exit code.
*/
if (forkval1) {
if ( wait(&status) < 0 ) {
w_error(SYSCALL, namestring, err[F_WAIT], errno);
return(INCOMPLETE);
}
if ( !WIFEXITED(status) ) {
w_error(GENERAL, namestring, err[C_NOTEXIT], 0);
return(INCOMPLETE);
}
return(WEXITSTATUS(status) );
}
/*
* This is the server process.
* Make 2 pipes.
*/
if ( pipe(pipefd1) || pipe(pipefd2) ) {
w_error(SYSCALL, namestring, err[F_PIPE], errno);
return(INCOMPLETE);
}
/*
* Server forks client process
*/
if ( ( forkval2 = fork() ) < 0 ) {
w_error(SYSCALL, namestring, err[F_FORK], errno);
exit(INCOMPLETE);
}
if (forkval2) {
/*
* This is still the server. Close pipe1's read
* fd and pipe2's write fd.
*/
close(pipefd1[0]);
close(pipefd2[1]);
/*
* Set process label to recvlbl.
*/
if ( cap_setplabel(rlptr) ) {
w_error(SYSCALL,namestring,err[F_SETPLABEL],errno);
exit(INCOMPLETE);
}
mac_free(rlptr);
/*
* Create a server socket.
*/
if ( (sd = socket(AF_UNIX, type, 0)) < 0 ) {
w_error(SYSCALL, namestring, err[F_SOCKET], errno);
exit(INCOMPLETE);
}
/*
* Initialize socket address appropriately
* for AF_UNIX and bind socket.
*/
memset((void *) &sad, '\0', sizeof(sad));
sad.sa_family = AF_UNIX;
sprintf(sad.sa_data, "s%d",n);
cap_unlink(sad.sa_data);
if ( bind(sd, &sad, sizeof sad) < 0 ) {
w_error(SYSCALL, namestring, err[F_BIND], errno);
close(sd);
exit(INCOMPLETE);
}
/*
* Set label of rendezvous point to wildcard.
* We want to test socket MAC, not file system MAC.
*/
wlptr = mac_get_proc();
wlptr->ml_msen_type = MSE;
wlptr->ml_mint_type = MIE;
if ( cap_setlabel(sad.sa_data, wlptr) < 0 ) {
close(sd);
cap_unlink(sad.sa_data);
w_error(SYSCALL, namestring, err[SETLABEL_FILE], errno);
exit(INCOMPLETE);
}
mac_free(wlptr);
/*
* If type is stream, call listen.
*/
if (type == SOCK_STREAM) {
if ((listen(sd, 1)) < 0) {
w_error(SYSCALL, namestring, err[F_LISTEN], errno);
close(sd);
cap_unlink(sad.sa_data);
exit(INCOMPLETE);
}
}
/*
* Read from pipe to ensure client is ready.
*/
if ((read(pipefd2[0], pipebuf, sizeof(pipebuf))) != sizeof(pipebuf) ) {
w_error(SYSCALL, namestring, err[PIPEREAD_O], errno);
exit(INCOMPLETE);
}
/*
* Write to pipe so client knows to connect/send.
*/
if ( (write(pipefd1[1], pipebuf, sizeof(pipebuf)))
!= (sizeof(pipebuf)) ) {
w_error(SYSCALL, namestring, err[PIPEWRITE_S], errno);
exit(INCOMPLETE);
}
/*
* Select's return value determines whether test
* case passes or fails. Negative cases should time
* out. Positive cases should detect 1 fd to read.
*/
timeout.tv_sec = TV_SEC;
timeout.tv_usec = TV_USEC;
FD_ZERO(&r_set);
FD_SET(sd, &r_set);
if ( (retval = select(sd+1, &r_set, (fd_set *)0, (fd_set *)0,
&timeout)) < 0 ) {
w_error(SYSCALL, namestring, err[F_SELECT], errno);
close(sd);
cap_unlink(sad.sa_data);
exit(INCOMPLETE);
}
/*
* Clean up and wait for client process.
*/
close(sd);
cap_unlink(sad.sa_data);
if ( wait(&status) == -1 ) {
w_error(SYSCALL, namestring, err[F_WAIT], errno);
exit(INCOMPLETE);
}
if ( !WIFEXITED(status) ) {
w_error(GENERAL, namestring, err[C_NOTEXIT], 0);
exit(INCOMPLETE);
}
/*
* Evaluate retval. It should be 1 for positive
* cases and 0 for negative cases. If so, exit
* with child's exit status. If not, write error
* message and exit 1.
*/
if (expect_success == PASS ) {
/*
* positive case
*/
if (retval == 1) {
exit( WEXITSTATUS(status) );
}
w_error(GENERAL, namestring, err[T_SELECT], 0);
exit(FAIL);
}
/*
* negative case
*/
if (retval == 0) {
exit( WEXITSTATUS(status) );
}
w_error(GENERAL, namestring, err[U_SELECT], 0);
exit(FAIL);
}
/*
* This is the client process. Close pipe1's write fd and
* pipe2's read fd.
*/
close(sd);
close(pipefd1[1]);
close(pipefd2[0]);
/*
* Set process label to slptr.
*/
if ( cap_setplabel(slptr) ) {
w_error(SYSCALL,namestring,err[F_SETPLABEL],errno);
exit(INCOMPLETE);
}
mac_free(slptr);
/*
* Create a client socket
*/
if ( (sd = socket(AF_UNIX, type, 0)) < 0 ) {
w_error(SYSCALL, namestring, err[F_SOCKET], errno);
exit(INCOMPLETE);
}
/*
* Initialize socket address appropriately
* for AF_UNIX.
*/
memset((void *) &sad, '\0', sizeof(sad));
sad.sa_family = AF_UNIX;
sprintf(sad.sa_data, "s%d",n);
/*
* Write to pipe so server knows we're ready.
*/
if ( (write(pipefd2[1], pipebuf, sizeof(pipebuf)))
!= (sizeof(pipebuf)) ) {
w_error(SYSCALL, namestring, err[PIPEWRITE_S], errno);
exit(INCOMPLETE);
}
/*
* Read from pipe to ensure that server socket is ready.
*/
if ( (read(pipefd1[0], pipebuf, sizeof(pipebuf))) != sizeof(pipebuf) ) {
w_error(SYSCALL, namestring, err[PIPEREAD_O], errno);
exit(INCOMPLETE);
}
/*
* If type is stream, call connect and write. If this is a
* negative case and connect fails with EACCES, exit(0).
* If errno is not EACCES, this is an unexpected error, exit 2.
* If this is a positive case and errno == EACCES, then
* the case failed, exit 1. If connect succeeds, continue.
*/
if ( type == SOCK_STREAM ) {
if (connect(sd, &sad, sizeof(sad)) < 0) {
if (errno != EACCES) {
w_error(SYSCALL, namestring, err[F_CONNECT], errno);
close(sd);
exit(INCOMPLETE);
}
if (expect_success == PASS ) {
w_error(SYSCALL, namestring, err[F_CONNECT], errno);
close(sd);
exit(FAIL);
}
else {
close(sd);
exit(PASS);
}
}
/* if ( (write(sd, smsg, sizeof(smsg))) != sizeof(smsg)) {
w_error(SYSCALL, namestring, err[F_WRITE], errno);
close(sd);
exit(INCOMPLETE);
}
*/
}
/*
* If type is dgram, call sendto. If this is a
* negative case and connect fails with an error indicative
* of unequal labels, exit(0). If errno is something else,
* this is an unexpected error, exit 2. If this is a positive
* case and errno == ECONNREFUSED, EACCES, or ENOENT,
* the case failed, exit 1. If connect succeeds, continue.
*/
else { /* SOCK_DGRAM */
if (sendto(sd, smsg, sizeof(smsg), 0, &sad, sizeof(sad)) < 0 ) {
if (expect_success == PASS ) {
w_error(SYSCALL, namestring, err[F_CONNECT], errno);
close(sd);
exit(FAIL);
}
if ( (errno != ECONNREFUSED) && (errno != EACCES) &&
(errno != ENOENT) ) {
w_error(SYSCALL, namestring, err[F_CONNECT], errno);
close(sd);
exit(INCOMPLETE);
}
}
}
close(sd);
exit(PASS);
return(PASS);
}