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/**************************************************************
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sal.hxx"
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <pthread.h>
#include <netdb.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#ifndef NETBSD
#include <shadow.h>
#endif
/* exercises some reentrant libc-fucntions */
extern "C"
{
struct tm *localtime_r(const time_t *timep, struct tm *buffer);
struct passwd* getpwnam_r(char*, struct passwd*, char *, int);
struct spwd* getspnam_r(char*, struct spwd*, char *, int);
struct hostent *gethostbyname_r(const char *name, struct hostent *result,
char *buffer, int buflen, int *h_errnop);
}
static int go;
extern "C" void *workfunc1(void*)
{
char buffer[256];
struct tm sttm;
time_t nepoch;
struct passwd stpwd;
struct hostent sthostent;
int nerr;
printf("starting thread 1 ...\n");
while (go) {
getpwnam_r("hr", &stpwd, buffer, sizeof(buffer));
gethostbyname_r("blauwal", &sthostent, buffer, sizeof(buffer), &nerr);
time(&nepoch);
localtime_r(&nepoch, &sttm);
}
return 0;
}
extern "C" void *workfunc2(void*)
{
char buffer[256];
struct tm sttm;
time_t nepoch;
struct passwd stpwd;
struct hostent sthostent;
int nerr;
printf("starting thread 2 ...\n");
while(go) {
getpwnam_r("mh", &stpwd, buffer, sizeof(buffer));
gethostbyname_r("hr-1242", &sthostent, buffer, sizeof(buffer), &nerr);
time(&nepoch);
localtime_r(&nepoch, &sttm);
}
return 0;
}
extern int h_errno;
int main(int argc, char *argv[])
{
char buffer[256];
struct tm *ptm;
time_t nepoch;
struct passwd *pwd, *pres1;
#ifndef NETBSD
struct spwd *spwd, *pres2;
#endif
struct hostent *phostent, *pres3;
char **p;
pthread_t tid1,tid2;
int res1,res2;
go = 1;
pthread_create(&tid1, NULL, workfunc1, &res1);
pthread_create(&tid2, NULL, workfunc2, &res2);
pwd = (struct passwd*)malloc(sizeof(struct passwd));
pres1 = getpwnam_r("hr", pwd, buffer, sizeof(buffer));
sleep(3);
if (pres1) {
printf("Name: %s\n", pwd->pw_name);
printf("Passwd: %s\n", pwd->pw_passwd);
printf("Uid: %d\n", pwd->pw_uid);
printf("Gid: %d\n", pwd->pw_gid);
#ifdef NETBSD
printf("Change: %s", ctime(&pwd->pw_change));
printf("Class: %s\n", pwd->pw_class);
#else
printf("Age: %s\n", pwd->pw_age);
printf("Comment: %s\n", pwd->pw_comment);
#endif
printf("Gecos: %s\n", pwd->pw_gecos);
printf("Dir: %s\n", pwd->pw_dir);
printf("Shell: %s\n", pwd->pw_shell);
}
else
printf("getpwnam_r() failed!\n");
free(pwd);
#ifndef NETBSD
spwd = (struct spwd*)malloc(sizeof(struct spwd));
pres2 = getspnam_r("hr", spwd, buffer, sizeof(buffer));
if (pres2) {
printf("Name: %s\n", spwd->sp_namp);
printf("Passwd: %s\n", spwd->sp_pwdp);
printf("Last Change: %ld\n", spwd->sp_lstchg);
printf("Min: %ld\n", spwd->sp_min);
printf("Max: %ld\n", spwd->sp_max);
}
else
printf("getspnam_r() failed!\n");
free(spwd);
#endif
ptm = (struct tm*)malloc(sizeof(struct tm));
time(&nepoch);
localtime_r(&nepoch, ptm);
printf("Seconds: %d\n", ptm->tm_sec);
printf("Minutes: %d\n", ptm->tm_min);
printf("Hour: %d\n", ptm->tm_hour);
printf("Day of Month: %d\n", ptm->tm_mday);
printf("Month: %d\n", ptm->tm_mon);
printf("Year: %d\n", ptm->tm_year);
printf("Day of week: %d\n", ptm->tm_wday);
printf("Day in the year: %d\n", ptm->tm_yday);
printf("Daylight saving time: %d\n", ptm->tm_isdst);
#ifdef NETBSD
printf("Timezone: %s\n", ptm->tm_zone);
#else
printf("Timezone: %s\n", ptm->tm_name);
#endif
free(ptm);
phostent = (struct hostent*)malloc(sizeof(struct hostent));
pres3 = gethostbyname_r("blauwal", phostent, buffer, sizeof(buffer), h_errno);
if (pres3) {
printf("Official Hostname: %s\n", phostent->h_name);
for ( p = phostent->h_aliases; *p != NULL; p++ )
printf("Alias: %s\n", *p);
printf("Addresstype: %d\n", phostent->h_addrtype);
printf("Address length: %d\n", phostent->h_length);
if ( phostent->h_addrtype == AF_INET ) {
for ( p = phostent->h_addr_list; *p != NULL; *p++ )
printf("Address: %s\n", inet_ntoa(**((in_addr**)p)));
}
}
/* test boundary conditions */
char smallbuf[23]; /* buffer to small */
pres3 = gethostbyname_r("blauwal", phostent, smallbuf, sizeof(smallbuf), h_errno);
if (!pres3) {
perror("Expect ERANGE");
}
else
{
printf("ERROR: Check for buffersize went wrong\n");
}
#ifdef NETBSD
char exactbuf[35];
#else
char exactbuf[24]; /* should be exact the necessary size */
#endif
pres3 = gethostbyname_r("blauwal", phostent, exactbuf, sizeof(exactbuf), &h_errno);
if (!pres3) {
perror("Check with exact buffersize");
}
else
{
printf("Boundary check ok\n");
}
/* test error conditions */
pres3 = gethostbyname_r("nohost", phostent, buffer, sizeof(buffer), &h_errno);
if (!pres3) {
herror("Expect HOST_NOT_FOUND");
}
else
{
printf("failed to detect non existent host\n");
}
free(phostent);
go = 0; /* atomic enough for our purposes */
pthread_join(tid1, NULL);
pthread_join(tid2, NULL);
exit(0);
}
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