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-rw-r--r--nsprpub/pr/tests/env.c304
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diff --git a/nsprpub/pr/tests/env.c b/nsprpub/pr/tests/env.c
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+++ b/nsprpub/pr/tests/env.c
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+** File: env.c
+** Description: Testing environment variable operations
+**
+*/
+#include "prenv.h"
+#include "prmem.h"
+#include "plgetopt.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+PRIntn debug = 0;
+PRIntn verbose = 0;
+PRIntn secure = 0;
+PRBool failedAlready = PR_FALSE;
+
+#define ENVNAME "NSPR_ENVIRONMENT_TEST_VARIABLE"
+#define ENVVALUE "The expected result"
+#define ENVBUFSIZE 256
+
+char *envBuf; /* buffer pointer. We leak memory here on purpose! */
+
+static char * NewBuffer( size_t size )
+{
+ char *buf = malloc( size );
+ if ( NULL == buf ) {
+ printf("env: NewBuffer() failed\n");
+ exit(1);
+ }
+ return(buf);
+} /* end NewBuffer() */
+
+int main(int argc, char **argv)
+{
+ char *value;
+ PRStatus rc;
+
+ { /* Get command line options */
+ PLOptStatus os;
+ PLOptState *opt = PL_CreateOptState(argc, argv, "vds");
+
+ while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
+ {
+ if (PL_OPT_BAD == os) continue;
+ switch (opt->option)
+ {
+ case 'd': /* debug */
+ debug = 1;
+ break;
+ case 'v': /* verbose */
+ verbose = 1;
+ break;
+ case 's': /* secure / set[ug]id */
+ /*
+ ** To test PR_GetEnvSecure, make this executable (or a
+ ** copy of it) setuid / setgid / otherwise inherently
+ ** privileged (e.g., file capabilities) and run it
+ ** with this flag.
+ */
+ secure = 1;
+ break;
+ default:
+ break;
+ }
+ }
+ PL_DestroyOptState(opt);
+ } /* end block "Get command line options" */
+
+#if 0
+ {
+ /*
+ ** This uses Windows native environment manipulation
+ ** as an experiment. Note the separation of namespace!
+ */
+ BOOL rv;
+ DWORD size;
+ rv = SetEnvironmentVariable( ENVNAME, ENVVALUE );
+ if ( rv == 0 ) {
+ if (debug) printf("env: Shit! SetEnvironmentVariable() failed\n");
+ failedAlready = PR_TRUE;
+ }
+ if (verbose) printf("env: SetEnvironmentVariable() worked\n");
+
+ size = GetEnvironmentVariable( ENVNAME, envBuf, ENVBUFSIZE );
+ if ( size == 0 ) {
+ if (debug) printf("env: Shit! GetEnvironmentVariable() failed. Found: %s\n", envBuf );
+ failedAlready = PR_TRUE;
+ }
+ if (verbose) printf("env: GetEnvironmentVariable() worked. Found: %s\n", envBuf);
+
+ value = PR_GetEnv( ENVNAME );
+ if ( (NULL == value ) || (strcmp( value, ENVVALUE))) {
+ if (debug) printf( "env: PR_GetEnv() failed retrieving WinNative. Found: %s\n", value);
+ failedAlready = PR_TRUE;
+ }
+ if (verbose) printf("env: PR_GetEnv() worked. Found: %s\n", value);
+ }
+#endif
+
+ /* set an environment variable, read it back */
+ envBuf = NewBuffer( ENVBUFSIZE );
+ sprintf( envBuf, ENVNAME "=" ENVVALUE );
+ rc = PR_SetEnv( envBuf );
+ if ( PR_FAILURE == rc ) {
+ if (debug) printf( "env: PR_SetEnv() failed setting\n");
+ failedAlready = PR_TRUE;
+ } else {
+ if (verbose) printf("env: PR_SetEnv() worked.\n");
+ }
+
+ value = PR_GetEnv( ENVNAME );
+ if ( (NULL == value ) || (strcmp( value, ENVVALUE))) {
+ if (debug) printf( "env: PR_GetEnv() Failed after setting\n" );
+ failedAlready = PR_TRUE;
+ } else {
+ if (verbose) printf("env: PR_GetEnv() worked after setting it. Found: %s\n", value );
+ }
+
+ if ( secure ) {
+ /*
+ ** In this case we've been run with elevated privileges, so
+ ** test that PR_GetEnvSecure *doesn't* find that env var.
+ */
+ value = PR_GetEnvSecure( ENVNAME );
+ if ( NULL != value ) {
+ if (debug) printf( "env: PR_GetEnvSecure() failed; expected NULL, found \"%s\"\n", value );
+ failedAlready = PR_TRUE;
+ } else {
+ if (verbose) printf("env: PR_GetEnvSecure() worked\n" );
+ }
+ } else {
+ /*
+ ** In this case the program is being run normally, so do the
+ ** same check for PR_GetEnvSecure as for PR_GetEnv.
+ */
+ value = PR_GetEnvSecure( ENVNAME );
+ if ( (NULL == value ) || (strcmp( value, ENVVALUE))) {
+ if (debug) printf( "env: PR_GetEnvSecure() Failed after setting\n" );
+ failedAlready = PR_TRUE;
+ } else {
+ if (verbose) printf("env: PR_GetEnvSecure() worked after setting it. Found: %s\n", value );
+ }
+ }
+
+/* ---------------------------------------------------------------------- */
+ /* check that PR_DuplicateEnvironment() agrees with PR_GetEnv() */
+ {
+#if defined(XP_UNIX) && (!defined(DARWIN) || defined(HAVE_CRT_EXTERNS_H))
+ static const PRBool expect_failure = PR_FALSE;
+#else
+ static const PRBool expect_failure = PR_TRUE;
+#endif
+ char **i, **dupenv = PR_DuplicateEnvironment();
+
+
+ if ( NULL == dupenv ) {
+ if (expect_failure) {
+ if (verbose) printf("env: PR_DuplicateEnvironment failed, "
+ "as expected on this platform.\n");
+ } else {
+ if (debug) printf("env: PR_DuplicateEnvironment() failed.\n");
+ failedAlready = PR_TRUE;
+ }
+ } else {
+ unsigned found = 0;
+
+ if (expect_failure) {
+ if (debug) printf("env: PR_DuplicateEnvironment() succeeded, "
+ "but failure is expected on this platform.\n");
+ failedAlready = PR_TRUE;
+ } else {
+ if (verbose) printf("env: PR_DuplicateEnvironment() succeeded.\n");
+ }
+ for (i = dupenv; *i; i++) {
+ char *equals = strchr(*i, '=');
+
+ if ( equals == NULL ) {
+ if (debug) printf("env: PR_DuplicateEnvironment() returned a string"
+ " with no '=': %s\n", *i);
+ failedAlready = PR_TRUE;
+ } else {
+ /* We own this string, so we can temporarily alter it */
+ /* *i is the null-terminated name; equals + 1 is the value */
+ *equals = '\0';
+
+ if ( strcmp(*i, ENVNAME) == 0) {
+ found++;
+ if (verbose) printf("env: PR_DuplicateEnvironment() found " ENVNAME
+ " (%u so far).\n", found);
+ }
+
+ /* Multiple values for the same name can't happen, according to POSIX. */
+ value = PR_GetEnv(*i);
+ if ( value == NULL ) {
+ if (debug) printf("env: PR_DuplicateEnvironment() returned a name"
+ " which PR_GetEnv() failed to find: %s\n", *i);
+ failedAlready = PR_TRUE;
+ } else if ( strcmp(equals + 1, value) != 0) {
+ if (debug) printf("env: PR_DuplicateEnvironment() returned the wrong"
+ " value for %s: expected %s; found %s\n",
+ *i, value, equals + 1);
+ failedAlready = PR_TRUE;
+ } else {
+ if (verbose) printf("env: PR_DuplicateEnvironment() agreed with"
+ " PR_GetEnv() about %s\n", *i);
+ }
+ }
+ PR_Free(*i);
+ }
+ PR_Free(dupenv);
+
+ if (found != 1) {
+ if (debug) printf("env: PR_DuplicateEnvironment() found %u entries for " ENVNAME
+ " (expected 1)\n", found);
+ failedAlready = PR_TRUE;
+ } else {
+ if (verbose) printf("env: PR_DuplicateEnvironment() found 1 entry for " ENVNAME "\n");
+ }
+ }
+ }
+
+/* ---------------------------------------------------------------------- */
+ /* un-set the variable, using RAW name... should not work */
+ envBuf = NewBuffer( ENVBUFSIZE );
+ sprintf( envBuf, ENVNAME );
+ rc = PR_SetEnv( envBuf );
+ if ( PR_FAILURE == rc ) {
+ if (verbose) printf( "env: PR_SetEnv() not un-set using RAW name. Good!\n");
+ } else {
+ if (debug) printf("env: PR_SetEnv() un-set using RAW name. Bad!\n" );
+ failedAlready = PR_TRUE;
+ }
+
+ value = PR_GetEnv( ENVNAME );
+ if ( NULL == value ) {
+ if (debug) printf("env: PR_GetEnv() after un-set using RAW name. Bad!\n" );
+ failedAlready = PR_TRUE;
+ } else {
+ if (verbose) printf( "env: PR_GetEnv() after RAW un-set found: %s\n", value );
+ }
+
+/* ---------------------------------------------------------------------- */
+ /* set it again ... */
+ envBuf = NewBuffer( ENVBUFSIZE );
+ sprintf( envBuf, ENVNAME "=" ENVVALUE );
+ rc = PR_SetEnv( envBuf );
+ if ( PR_FAILURE == rc ) {
+ if (debug) printf( "env: PR_SetEnv() failed setting the second time.\n");
+ failedAlready = PR_TRUE;
+ } else {
+ if (verbose) printf("env: PR_SetEnv() worked.\n");
+ }
+
+ /* un-set the variable using the form name= */
+ envBuf = NewBuffer( ENVBUFSIZE );
+ sprintf( envBuf, ENVNAME "=" );
+ rc = PR_SetEnv( envBuf );
+ if ( PR_FAILURE == rc ) {
+ if (debug) printf( "env: PR_SetEnv() failed un-setting using name=\n");
+ failedAlready = PR_TRUE;
+ } else {
+ if (verbose) printf("env: PR_SetEnv() un-set using name= worked\n" );
+ }
+
+ value = PR_GetEnv( ENVNAME );
+ if (( NULL == value ) || ( 0x00 == *value )) {
+ if (verbose) printf("env: PR_GetEnv() after un-set using name= worked\n" );
+ } else {
+ if (debug) printf( "env: PR_GetEnv() after un-set using name=. Found: %s\n", value );
+ failedAlready = PR_TRUE;
+ }
+/* ---------------------------------------------------------------------- */
+ /* un-set the variable using the form name= */
+ envBuf = NewBuffer( ENVBUFSIZE );
+ sprintf( envBuf, ENVNAME "999=" );
+ rc = PR_SetEnv( envBuf );
+ if ( PR_FAILURE == rc ) {
+ if (debug) printf( "env: PR_SetEnv() failed un-setting using name=\n");
+ failedAlready = PR_TRUE;
+ } else {
+ if (verbose) printf("env: PR_SetEnv() un-set using name= worked\n" );
+ }
+
+ value = PR_GetEnv( ENVNAME "999" );
+ if (( NULL == value ) || ( 0x00 == *value )) {
+ if (verbose) printf("env: PR_GetEnv() after un-set using name= worked\n" );
+ } else {
+ if (debug) printf( "env: PR_GetEnv() after un-set using name=. Found: %s\n", value );
+ failedAlready = PR_TRUE;
+ }
+
+/* ---------------------------------------------------------------------- */
+ if (debug || verbose) printf("\n%s\n", (failedAlready)? "FAILED" : "PASSED" );
+ return( (failedAlready)? 1 : 0 );
+} /* main() */
+
+/* env.c */
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