1 /**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 *************************************************************/
21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_sal.hxx"
26
27 #include <pwd.h>
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <time.h>
31 #include <pthread.h>
32 #include <netdb.h>
33 #include <sys/socket.h>
34 #include <netinet/in.h>
35 #include <arpa/inet.h>
36 #ifndef NETBSD
37 #include <shadow.h>
38 #endif
39
40 /* exercises some reentrant libc-fucntions */
41
42 extern "C"
43 {
44 struct tm *localtime_r(const time_t *timep, struct tm *buffer);
45 struct passwd* getpwnam_r(char*, struct passwd*, char *, int);
46 struct spwd* getspnam_r(char*, struct spwd*, char *, int);
47 struct hostent *gethostbyname_r(const char *name, struct hostent *result,
48 char *buffer, int buflen, int *h_errnop);
49 }
50
51 static int go;
52
53
54
workfunc1(void *)55 extern "C" void *workfunc1(void*)
56 {
57 char buffer[256];
58 struct tm sttm;
59 time_t nepoch;
60 struct passwd stpwd;
61 struct hostent sthostent;
62 int nerr;
63
64 printf("starting thread 1 ...\n");
65 while (go) {
66 getpwnam_r("hr", &stpwd, buffer, sizeof(buffer));
67 gethostbyname_r("blauwal", &sthostent, buffer, sizeof(buffer), &nerr);
68 time(&nepoch);
69 localtime_r(&nepoch, &sttm);
70 }
71 return 0;
72 }
73
workfunc2(void *)74 extern "C" void *workfunc2(void*)
75 {
76 char buffer[256];
77 struct tm sttm;
78 time_t nepoch;
79 struct passwd stpwd;
80 struct hostent sthostent;
81 int nerr;
82
83 printf("starting thread 2 ...\n");
84 while(go) {
85 getpwnam_r("mh", &stpwd, buffer, sizeof(buffer));
86 gethostbyname_r("hr-1242", &sthostent, buffer, sizeof(buffer), &nerr);
87 time(&nepoch);
88 localtime_r(&nepoch, &sttm);
89 }
90 return 0;
91 }
92
93
94 extern int h_errno;
95
main(int argc,char * argv[])96 int main(int argc, char *argv[])
97 {
98 char buffer[256];
99 struct tm *ptm;
100 time_t nepoch;
101 struct passwd *pwd, *pres1;
102 #ifndef NETBSD
103 struct spwd *spwd, *pres2;
104 #endif
105 struct hostent *phostent, *pres3;
106 char **p;
107
108 pthread_t tid1,tid2;
109 int res1,res2;
110
111 go = 1;
112
113 pthread_create(&tid1, NULL, workfunc1, &res1);
114 pthread_create(&tid2, NULL, workfunc2, &res2);
115
116 pwd = (struct passwd*)malloc(sizeof(struct passwd));
117
118 pres1 = getpwnam_r("hr", pwd, buffer, sizeof(buffer));
119
120 sleep(3);
121
122 if (pres1) {
123 printf("Name: %s\n", pwd->pw_name);
124 printf("Passwd: %s\n", pwd->pw_passwd);
125 printf("Uid: %d\n", pwd->pw_uid);
126 printf("Gid: %d\n", pwd->pw_gid);
127 #ifdef NETBSD
128 printf("Change: %s", ctime(&pwd->pw_change));
129 printf("Class: %s\n", pwd->pw_class);
130 #else
131 printf("Age: %s\n", pwd->pw_age);
132 printf("Comment: %s\n", pwd->pw_comment);
133 #endif
134 printf("Gecos: %s\n", pwd->pw_gecos);
135 printf("Dir: %s\n", pwd->pw_dir);
136 printf("Shell: %s\n", pwd->pw_shell);
137 }
138 else
139 printf("getpwnam_r() failed!\n");
140
141 free(pwd);
142
143 #ifndef NETBSD
144 spwd = (struct spwd*)malloc(sizeof(struct spwd));
145
146 pres2 = getspnam_r("hr", spwd, buffer, sizeof(buffer));
147
148 if (pres2) {
149 printf("Name: %s\n", spwd->sp_namp);
150 printf("Passwd: %s\n", spwd->sp_pwdp);
151 printf("Last Change: %ld\n", spwd->sp_lstchg);
152 printf("Min: %ld\n", spwd->sp_min);
153 printf("Max: %ld\n", spwd->sp_max);
154 }
155 else
156 printf("getspnam_r() failed!\n");
157
158 free(spwd);
159 #endif
160
161 ptm = (struct tm*)malloc(sizeof(struct tm));
162
163 time(&nepoch);
164 localtime_r(&nepoch, ptm);
165
166 printf("Seconds: %d\n", ptm->tm_sec);
167 printf("Minutes: %d\n", ptm->tm_min);
168 printf("Hour: %d\n", ptm->tm_hour);
169 printf("Day of Month: %d\n", ptm->tm_mday);
170 printf("Month: %d\n", ptm->tm_mon);
171 printf("Year: %d\n", ptm->tm_year);
172 printf("Day of week: %d\n", ptm->tm_wday);
173 printf("Day in the year: %d\n", ptm->tm_yday);
174 printf("Daylight saving time: %d\n", ptm->tm_isdst);
175 #ifdef NETBSD
176 printf("Timezone: %s\n", ptm->tm_zone);
177 #else
178 printf("Timezone: %s\n", ptm->tm_name);
179 #endif
180
181 free(ptm);
182
183 phostent = (struct hostent*)malloc(sizeof(struct hostent));
184
185 pres3 = gethostbyname_r("blauwal", phostent, buffer, sizeof(buffer), h_errno);
186
187 if (pres3) {
188 printf("Official Hostname: %s\n", phostent->h_name);
189 for ( p = phostent->h_aliases; *p != NULL; p++ )
190 printf("Alias: %s\n", *p);
191 printf("Addresstype: %d\n", phostent->h_addrtype);
192 printf("Address length: %d\n", phostent->h_length);
193 if ( phostent->h_addrtype == AF_INET ) {
194 for ( p = phostent->h_addr_list; *p != NULL; *p++ )
195 printf("Address: %s\n", inet_ntoa(**((in_addr**)p)));
196 }
197 }
198
199
200 /* test boundary conditions */
201 char smallbuf[23]; /* buffer to small */
202 pres3 = gethostbyname_r("blauwal", phostent, smallbuf, sizeof(smallbuf), h_errno);
203 if (!pres3) {
204 perror("Expect ERANGE");
205 }
206 else
207 {
208 printf("ERROR: Check for buffersize went wrong\n");
209 }
210
211 #ifdef NETBSD
212 char exactbuf[35];
213 #else
214 char exactbuf[24]; /* should be exact the necessary size */
215 #endif
216 pres3 = gethostbyname_r("blauwal", phostent, exactbuf, sizeof(exactbuf), &h_errno);
217 if (!pres3) {
218 perror("Check with exact buffersize");
219 }
220 else
221 {
222 printf("Boundary check ok\n");
223 }
224
225 /* test error conditions */
226 pres3 = gethostbyname_r("nohost", phostent, buffer, sizeof(buffer), &h_errno);
227 if (!pres3) {
228 herror("Expect HOST_NOT_FOUND");
229 }
230 else
231 {
232 printf("failed to detect non existent host\n");
233 }
234
235 free(phostent);
236 go = 0; /* atomic enough for our purposes */
237
238 pthread_join(tid1, NULL);
239 pthread_join(tid2, NULL);
240
241 exit(0);
242 }
243
244
245