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d86ce05797
This avoids throwing the tests off if LD_LIBRARY_PATH or LD_PRELOAD or other variables are set. Signed-off-by: Diego Elio Pettenò <flameeyes@gmail.com>
142 lines
3.6 KiB
C
142 lines
3.6 KiB
C
/*
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* commandhelper.c: Auxiliary program for commandtest
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*
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* Copyright (C) 2010-2011 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <config.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <string.h>
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#include "internal.h"
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#include "util.h"
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#include "memory.h"
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#include "files.h"
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static int envsort(const void *a, const void *b) {
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const char *const*astrptr = a;
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const char *const*bstrptr = b;
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const char *astr = *astrptr;
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const char *bstr = *bstrptr;
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char *aeq = strchr(astr, '=');
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char *beq = strchr(bstr, '=');
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char *akey = strndup(astr, aeq - astr);
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char *bkey = strndup(bstr, beq - bstr);
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int ret = strcmp(akey, bkey);
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free(akey);
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free(bkey);
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return ret;
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}
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int main(int argc, char **argv) {
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int i, n;
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char **origenv;
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char **newenv;
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FILE *log = fopen(abs_builddir "/commandhelper.log", "w");
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if (!log)
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goto error;
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for (i = 1 ; i < argc ; i++) {
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fprintf(log, "ARG:%s\n", argv[i]);
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}
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origenv = environ;
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n = 0;
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while (*origenv != NULL) {
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n++;
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origenv++;
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}
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if (VIR_ALLOC_N(newenv, n) < 0) {
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exit(EXIT_FAILURE);
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}
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origenv = environ;
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n = i = 0;
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while (*origenv != NULL) {
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newenv[i++] = *origenv;
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n++;
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origenv++;
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}
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qsort(newenv, n, sizeof(newenv[0]), envsort);
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for (i = 0 ; i < n ; i++) {
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/* Ignore the variables used to instruct the loader into
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* behaving differently, as they could throw the tests off. */
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if (!STRPREFIX(newenv[i], "LD_"))
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fprintf(log, "ENV:%s\n", newenv[i]);
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}
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for (i = 0 ; i < sysconf(_SC_OPEN_MAX) ; i++) {
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int f;
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int closed;
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if (i == fileno(log))
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continue;
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closed = fcntl(i, F_GETFD, &f) == -1 &&
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errno == EBADF;
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if (!closed)
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fprintf(log, "FD:%d\n", i);
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}
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fprintf(log, "DAEMON:%s\n", getpgrp() == getsid(0) ? "yes" : "no");
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char cwd[1024];
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if (!getcwd(cwd, sizeof(cwd)))
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return EXIT_FAILURE;
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if (strlen(cwd) > strlen("/commanddata") &&
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STREQ(cwd + strlen(cwd) - strlen("/commanddata"), "/commanddata"))
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strcpy(cwd, ".../commanddata");
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fprintf(log, "CWD:%s\n", cwd);
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VIR_FORCE_FCLOSE(log);
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char buf[1024];
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ssize_t got;
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fprintf(stdout, "BEGIN STDOUT\n");
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fflush(stdout);
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fprintf(stderr, "BEGIN STDERR\n");
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fflush(stderr);
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for (;;) {
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got = read(STDIN_FILENO, buf, sizeof(buf));
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if (got < 0)
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goto error;
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if (got == 0)
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break;
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if (safewrite(STDOUT_FILENO, buf, got) != got)
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goto error;
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if (safewrite(STDERR_FILENO, buf, got) != got)
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goto error;
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}
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fprintf(stdout, "END STDOUT\n");
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fflush(stdout);
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fprintf(stderr, "END STDERR\n");
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fflush(stderr);
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return EXIT_SUCCESS;
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error:
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return EXIT_FAILURE;
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}
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