robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Copyright (c) International Business Machines Corp., 2002 |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| 13 | * the GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
Wanlong Gao | 4548c6c | 2012-10-19 18:03:36 +0800 | [diff] [blame] | 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 18 | */ |
| 19 | |
| 20 | /* 12/23/2002 Port to LTP robbiew@us.ibm.com */ |
| 21 | /* 06/30/2001 Port to Linux nsharoff@us.ibm.com */ |
| 22 | |
| 23 | #ifndef _GNU_SOURCE |
| 24 | #define _GNU_SOURCE 1 |
| 25 | #endif |
| 26 | |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 27 | #include <sys/types.h> |
| 28 | #include <sys/stat.h> |
| 29 | #include <sys/wait.h> |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 30 | #include <errno.h> |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 31 | #include <fcntl.h> |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 32 | #include <stdio.h> |
| 33 | #include <stdlib.h> |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 34 | #include <string.h> |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 35 | #include <termio.h> |
| 36 | #include <unistd.h> |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 37 | |
| 38 | /** LTP Port **/ |
| 39 | #include "test.h" |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 40 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 41 | char *TCID = "pty01"; /* Test program identifier. */ |
| 42 | int TST_TOTAL = 5; /* Total number of test cases. */ |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 43 | /**************/ |
| 44 | |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 45 | /* |
| 46 | * pty master clone device |
| 47 | */ |
| 48 | #define MASTERCLONE "/dev/ptmx" |
| 49 | |
| 50 | /* |
| 51 | * string for testing read/write on ptys |
| 52 | */ |
| 53 | #define STRING "Linux Test Project\n" |
| 54 | |
| 55 | /* |
| 56 | * test buffer size |
| 57 | */ |
| 58 | #define TESTSIZE 1024 |
| 59 | |
| 60 | /* |
| 61 | * mode we expect grantpt() to leave pty as |
| 62 | */ |
| 63 | #define PTY_MODE 020622 |
| 64 | |
| 65 | /* |
| 66 | * number of procs for parallel test |
| 67 | */ |
| 68 | #define NUMPROCS 15 |
subrata_modak | bdbaec5 | 2009-02-26 12:14:51 +0000 | [diff] [blame] | 69 | |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 70 | /* |
| 71 | * test slave locking |
| 72 | */ |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 73 | static int test1(void) |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 74 | { |
| 75 | int masterfd; /* master pty fd */ |
| 76 | int slavefd; /* slave pty fd */ |
| 77 | char *slavename; |
| 78 | struct stat st; |
| 79 | char buf[TESTSIZE]; |
| 80 | |
| 81 | masterfd = open(MASTERCLONE, O_RDWR); |
| 82 | if (masterfd < 0) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 83 | tst_brkm(TBROK | TERRNO, NULL, MASTERCLONE); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 84 | } |
subrata_modak | bdbaec5 | 2009-02-26 12:14:51 +0000 | [diff] [blame] | 85 | |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 86 | slavename = ptsname(masterfd); |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 87 | if (slavename == NULL) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 88 | tst_brkm(TBROK | TERRNO, NULL, "ptsname() call failed"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 89 | } |
| 90 | |
| 91 | if (grantpt(masterfd) != 0) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 92 | tst_brkm(TBROK | TERRNO, NULL, "grantpt() call failed"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 93 | } |
| 94 | |
| 95 | if (stat(slavename, &st) != 0) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 96 | tst_brkm(TBROK | TERRNO, NULL, "stat(%s) failed", slavename); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 97 | } |
| 98 | if (st.st_uid != getuid()) { |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 99 | tst_brkm(TBROK, NULL, "uid mismatch"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 100 | } |
| 101 | |
| 102 | if (st.st_mode != (S_IFCHR | S_IRUSR | S_IWUSR | S_IWGRP)) { |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 103 | tst_brkm(TBROK, NULL, "mode mismatch (mode=%o)", st.st_mode); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 104 | } |
| 105 | |
| 106 | slavefd = open(slavename, O_RDWR); |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 107 | if (slavefd >= 0) { |
| 108 | tst_brkm(TBROK, NULL, "open didn't fail as expected!"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 109 | } |
| 110 | |
| 111 | if (unlockpt(masterfd) != 0) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 112 | tst_brkm(TBROK | TERRNO, NULL, "unlockpt() failed"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 113 | } |
subrata_modak | bdbaec5 | 2009-02-26 12:14:51 +0000 | [diff] [blame] | 114 | |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 115 | slavefd = open(slavename, O_RDWR); |
| 116 | if (slavefd < 0) { |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 117 | tst_brkm(TBROK, NULL, "Could not open %s", slavename); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 118 | } |
| 119 | |
| 120 | /* |
| 121 | * test writing to the master / reading from the slave |
| 122 | */ |
| 123 | if (write(masterfd, STRING, strlen(STRING)) != strlen(STRING)) { |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 124 | /* |
| 125 | * XXX: the errno printout might be garbage, but better to be |
| 126 | * safe than sorry.. |
| 127 | */ |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 128 | tst_brkm(TFAIL | TERRNO, NULL, "write to master"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 129 | } |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 130 | |
| 131 | if (read(slavefd, buf, strlen(STRING)) != strlen(STRING)) { |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 132 | /* XXX: Same as write above.. */ |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 133 | tst_brkm(TFAIL | TERRNO, NULL, "read from slave"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 134 | } |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 135 | if (strncmp(STRING, buf, strlen(STRING) - 1) != 0) { |
Garrett Cooper | e959aa8 | 2010-10-13 08:01:19 -0700 | [diff] [blame] | 136 | tst_brkm(TFAIL, NULL, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 137 | "strings are different (STRING = '%s' != buf = '%s')", |
| 138 | STRING, buf); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 139 | } |
| 140 | |
| 141 | /* |
| 142 | * test writing to the slave / reading from the master |
| 143 | */ |
| 144 | if (write(slavefd, STRING, strlen(STRING)) != strlen(STRING)) { |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 145 | /* XXX: Same as write above.. */ |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 146 | tst_brkm(TFAIL | TERRNO, NULL, "write to slave"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 147 | } |
| 148 | |
| 149 | if (read(masterfd, buf, strlen(STRING)) != strlen(STRING)) { |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 150 | /* XXX: Same as write above.. */ |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 151 | tst_brkm(TFAIL | TERRNO, NULL, "read from master"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 152 | } |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 153 | if (strncmp(STRING, buf, strlen(STRING) - 1) != 0) { |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 154 | tst_brkm(TFAIL, NULL, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 155 | "strings are different (STRING = '%s' != buf = '%s').", |
| 156 | STRING, buf); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 157 | } |
| 158 | |
| 159 | /* |
| 160 | * try an invalid ioctl on the slave... |
| 161 | */ |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 162 | if (ioctl(slavefd, TIOCGWINSZ, NULL) == 0) { |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 163 | tst_brkm(TFAIL, NULL, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 164 | "invalid slave TIOCGWINSZ ioctl succeeded.. it should " |
| 165 | "have failed"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 166 | } |
| 167 | |
| 168 | /* |
| 169 | * try an invalid ioctl on the master... |
| 170 | */ |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 171 | if (ioctl(masterfd, TIOCGWINSZ, NULL) == 0) { |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 172 | tst_brkm(TFAIL, NULL, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 173 | "invalid master TIOCGWINSZ ioctl succeeded.. it should " |
| 174 | "have failed"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 175 | } |
| 176 | |
| 177 | /* |
| 178 | * close pty fds |
| 179 | */ |
| 180 | if (close(slavefd) != 0) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 181 | tst_brkm(TBROK | TERRNO, NULL, "close of slave"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 182 | } |
| 183 | if (close(masterfd) != 0) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 184 | tst_brkm(TBROK | TERRNO, NULL, "close of master"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 185 | } |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 186 | tst_resm(TPASS, "test1"); |
| 187 | /** NOTREACHED **/ |
subrata_modak | 43337a3 | 2009-02-26 11:43:51 +0000 | [diff] [blame] | 188 | return 0; |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 189 | } |
| 190 | |
| 191 | /* |
| 192 | * test slave operations with closed master |
| 193 | */ |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 194 | static void test2(void) |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 195 | { |
| 196 | int masterfd; /* master pty fd */ |
| 197 | int slavefd; /* slave pty fd */ |
| 198 | int i; |
| 199 | char *slavename; |
| 200 | char c; |
| 201 | |
| 202 | masterfd = open(MASTERCLONE, O_RDWR); |
| 203 | if (masterfd < 0) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 204 | tst_brkm(TBROK | TERRNO, NULL, MASTERCLONE); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 205 | } |
subrata_modak | bdbaec5 | 2009-02-26 12:14:51 +0000 | [diff] [blame] | 206 | |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 207 | slavename = ptsname(masterfd); |
Cyril Hrubis | 4e2bab8 | 2014-09-24 16:34:35 +0200 | [diff] [blame] | 208 | if (slavename == NULL) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 209 | tst_brkm(TBROK | TERRNO, NULL, "ptsname() call failed"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 210 | } |
| 211 | |
| 212 | if (grantpt(masterfd) != 0) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 213 | tst_brkm(TBROK | TERRNO, NULL, "grantpt() call failed"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 214 | } |
| 215 | |
| 216 | if (unlockpt(masterfd) != 0) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 217 | tst_brkm(TBROK | TERRNO, NULL, "unlockpt() call failed"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 218 | } |
| 219 | |
| 220 | slavefd = open(slavename, O_RDWR); |
| 221 | if (slavefd < 0) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 222 | tst_brkm(TBROK | TERRNO, NULL, "Could not open %s", slavename); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 223 | } |
| 224 | |
| 225 | /* |
| 226 | * close pty fds. See what happens when we close the master |
| 227 | * first. |
| 228 | */ |
| 229 | if (close(masterfd) != 0) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 230 | tst_brkm(TBROK | TERRNO, NULL, "close()"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 231 | } |
| 232 | |
| 233 | errno = 0; |
| 234 | if ((i = read(slavefd, &c, 1)) == 1) { |
Garrett Cooper | e959aa8 | 2010-10-13 08:01:19 -0700 | [diff] [blame] | 235 | tst_brkm(TFAIL, NULL, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 236 | "reading from slave fd should have failed, but didn't" |
| 237 | "(read '%c')", c); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 238 | } |
| 239 | |
| 240 | if ((i = write(slavefd, &c, 1)) == 1) { |
Garrett Cooper | e959aa8 | 2010-10-13 08:01:19 -0700 | [diff] [blame] | 241 | tst_brkm(TFAIL, NULL, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 242 | "writing to slave fd should have failed, but didn't"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 243 | } |
| 244 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 245 | if (ioctl(slavefd, TIOCGWINSZ, NULL) == 0) { |
Garrett Cooper | e959aa8 | 2010-10-13 08:01:19 -0700 | [diff] [blame] | 246 | tst_brkm(TFAIL, NULL, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 247 | "trying TIOCGWINSZ on slave fd should have failed, " |
| 248 | "but didn't"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 249 | } |
| 250 | |
| 251 | if (close(slavefd) != 0) { |
Garrett Cooper | e959aa8 | 2010-10-13 08:01:19 -0700 | [diff] [blame] | 252 | tst_brkm(TBROK, NULL, "close"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 253 | } |
Garrett Cooper | e959aa8 | 2010-10-13 08:01:19 -0700 | [diff] [blame] | 254 | tst_resm(TPASS, "test2"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 255 | } |
| 256 | |
| 257 | /* |
| 258 | * test operations on master with closed slave |
| 259 | */ |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 260 | static void test3(void) |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 261 | { |
| 262 | int masterfd; /* master pty fd */ |
| 263 | |
| 264 | masterfd = open(MASTERCLONE, O_RDWR); |
| 265 | if (masterfd < 0) { |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 266 | tst_brkm(TBROK, NULL, MASTERCLONE); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 267 | } |
| 268 | |
Cyril Hrubis | 4e2bab8 | 2014-09-24 16:34:35 +0200 | [diff] [blame] | 269 | if (ioctl(masterfd, TIOCGWINSZ, NULL) == 0) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 270 | tst_brkm(TFAIL | TERRNO, NULL, |
| 271 | "trying TIOCGWINSZ on master with no open slave " |
| 272 | "succeeded unexpectedly"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 273 | } |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 274 | tst_resm(TPASS, "test3"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 275 | } |
| 276 | |
| 277 | /* |
| 278 | * test multiple opens on slave side of pty |
| 279 | */ |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 280 | static void test4(void) |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 281 | { |
| 282 | int masterfd; /* master pty fd */ |
| 283 | int slavefd; /* slave pty fd */ |
subrata_modak | bdbaec5 | 2009-02-26 12:14:51 +0000 | [diff] [blame] | 284 | int slavefd2; |
| 285 | int slavefd3; |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 286 | char *slavename; |
| 287 | |
| 288 | masterfd = open(MASTERCLONE, O_RDWR); |
| 289 | if (masterfd < 0) { |
Cyril Hrubis | 526fdf8 | 2014-12-04 14:35:01 +0100 | [diff] [blame] | 290 | tst_brkm(TBROK, NULL, "%s", MASTERCLONE); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 291 | } |
subrata_modak | bdbaec5 | 2009-02-26 12:14:51 +0000 | [diff] [blame] | 292 | |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 293 | slavename = ptsname(masterfd); |
Cyril Hrubis | 4e2bab8 | 2014-09-24 16:34:35 +0200 | [diff] [blame] | 294 | if (slavename == NULL) { |
Cyril Hrubis | 526fdf8 | 2014-12-04 14:35:01 +0100 | [diff] [blame] | 295 | tst_brkm(TBROK, NULL, "ptsname() call failed"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 296 | } |
| 297 | |
| 298 | if (grantpt(masterfd) != 0) { |
Cyril Hrubis | 526fdf8 | 2014-12-04 14:35:01 +0100 | [diff] [blame] | 299 | tst_brkm(TBROK, NULL, "grantpt() call failed"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 300 | } |
| 301 | |
| 302 | if (unlockpt(masterfd) != 0) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 303 | tst_brkm(TBROK | TERRNO, NULL, "unlockpt() call failed"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 304 | } |
| 305 | |
| 306 | slavefd = open(slavename, O_RDWR); |
| 307 | if (slavefd < 0) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 308 | tst_brkm(TBROK | TERRNO, NULL, "Could not open %s", slavename); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 309 | } |
| 310 | |
| 311 | slavefd2 = open(slavename, O_RDWR); |
| 312 | if (slavefd < 0) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 313 | tst_brkm(TFAIL | TERRNO, NULL, "Could not open %s (again)", |
| 314 | slavename); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 315 | } |
| 316 | |
| 317 | slavefd3 = open(slavename, O_RDWR); |
| 318 | if (slavefd < 0) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 319 | tst_brkm(TFAIL | TERRNO, NULL, "Could not open %s (once more)", |
| 320 | slavename); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 321 | } |
| 322 | |
| 323 | /* |
| 324 | * close pty fds. |
| 325 | */ |
| 326 | if (close(slavefd) != 0) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 327 | tst_brkm(TBROK | TERRNO, NULL, "close slave"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 328 | } |
| 329 | |
| 330 | if (close(slavefd2) != 0) { |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 331 | tst_brkm(TBROK, NULL, "close slave again"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 332 | } |
| 333 | |
| 334 | if (close(slavefd3) != 0) { |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 335 | tst_brkm(TBROK, NULL, "close slave once more"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 336 | } |
| 337 | |
| 338 | if (close(masterfd) != 0) { |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 339 | tst_brkm(TBROK, NULL, "close master"); |
subrata_modak | bdbaec5 | 2009-02-26 12:14:51 +0000 | [diff] [blame] | 340 | } |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 341 | tst_resm(TPASS, "test4"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 342 | } |
| 343 | |
| 344 | /* |
| 345 | * test opening/closing lots of ptys in parallel. We may run out |
| 346 | * of ptys for this test depending on how the system is configured, |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 347 | * but that's not a fatal error. |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 348 | */ |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 349 | static void test5(void) |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 350 | { |
| 351 | int masterfd; /* master pty fd */ |
| 352 | char *slavename; |
| 353 | int status; |
| 354 | int i; |
| 355 | |
| 356 | for (i = 0; i < NUMPROCS; ++i) { |
| 357 | switch (fork()) { |
| 358 | case -1: |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 359 | tst_brkm(TBROK, NULL, "fork()"); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 360 | break; |
| 361 | case 0: |
| 362 | masterfd = open(MASTERCLONE, O_RDWR); |
| 363 | if (masterfd < 0) { |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 364 | printf("proc %d: opening %s failed: %s", |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 365 | i, MASTERCLONE, strerror(errno)); |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 366 | exit(1); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 367 | } |
| 368 | if (grantpt(masterfd) != 0) { |
Garrett Cooper | e959aa8 | 2010-10-13 08:01:19 -0700 | [diff] [blame] | 369 | printf("proc %d: grantpt() call failed: %s", |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 370 | i, strerror(errno)); |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 371 | exit(1); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 372 | } |
| 373 | slavename = ptsname(masterfd); |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 374 | if (slavename == NULL) { |
| 375 | printf("proc %d: ptsname() call failed: %s", |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 376 | i, strerror(errno)); |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 377 | exit(1); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 378 | } |
| 379 | sleep(10); |
| 380 | if (close(masterfd) != 0) { |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 381 | printf("proc %d: close failed: %s", |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 382 | i, strerror(errno)); |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 383 | exit(1); |
subrata_modak | bdbaec5 | 2009-02-26 12:14:51 +0000 | [diff] [blame] | 384 | } |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 385 | exit(0); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 386 | default: |
| 387 | break; |
| 388 | } |
| 389 | } |
| 390 | while (wait(&status) > 0) { |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 391 | if (status) { |
| 392 | tst_brkm(TFAIL, NULL, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 393 | "child exited with non-zero status %d", |
| 394 | status); |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 395 | } |
| 396 | } |
Garrett Cooper | a714316 | 2010-10-18 23:12:54 -0700 | [diff] [blame] | 397 | tst_resm(TPASS, "test5"); |
subrata_modak | bdbaec5 | 2009-02-26 12:14:51 +0000 | [diff] [blame] | 398 | } |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 399 | |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 400 | /* |
| 401 | * main test driver |
| 402 | */ |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 403 | int main(int argc, char **argv) |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 404 | { |
| 405 | test1(); |
| 406 | test2(); |
| 407 | test3(); |
| 408 | test4(); |
| 409 | test5(); |
| 410 | |
| 411 | /* |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 412 | * all done |
robbiew | b873909 | 2002-12-24 19:55:40 +0000 | [diff] [blame] | 413 | */ |
| 414 | tst_exit(); |
Chris Dearman | ec6edca | 2012-10-17 19:54:01 -0700 | [diff] [blame] | 415 | } |