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0
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1 /* Pexecute test program,
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111
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2 Copyright (C) 2005-2017 Free Software Foundation, Inc.
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0
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3 Written by Ian Lance Taylor <ian@airs.com>.
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4
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5 This file is part of GNU libiberty.
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6
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7 This program is free software; you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 2 of the License, or
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10 (at your option) any later version.
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11
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12 This program is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with this program; if not, write to the Free Software
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19 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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20 */
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21
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22 #ifdef HAVE_CONFIG_H
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23 #include "config.h"
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24 #endif
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25 #include "ansidecl.h"
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26 #include "libiberty.h"
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27 #include <stdio.h>
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28 #include <signal.h>
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29 #include <errno.h>
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30 #ifdef HAVE_STRING_H
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31 #include <string.h>
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32 #endif
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33 #include <sys/types.h>
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34 #ifdef HAVE_STDLIB_H
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35 #include <stdlib.h>
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36 #endif
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37 #ifdef HAVE_UNISTD_H
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38 #include <unistd.h>
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39 #endif
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40 #ifdef HAVE_SYS_WAIT_H
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41 #include <sys/wait.h>
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42 #endif
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43 #ifdef HAVE_SYS_TIME_H
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44 #include <sys/time.h>
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45 #endif
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46 #ifdef HAVE_SYS_RESOURCE_H
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47 #include <sys/resource.h>
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48 #endif
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49
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50 #ifndef WIFSIGNALED
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51 #define WIFSIGNALED(S) (((S) & 0xff) != 0 && ((S) & 0xff) != 0x7f)
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52 #endif
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53 #ifndef WTERMSIG
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54 #define WTERMSIG(S) ((S) & 0x7f)
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55 #endif
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56 #ifndef WIFEXITED
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57 #define WIFEXITED(S) (((S) & 0xff) == 0)
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58 #endif
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59 #ifndef WEXITSTATUS
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60 #define WEXITSTATUS(S) (((S) & 0xff00) >> 8)
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61 #endif
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62 #ifndef WSTOPSIG
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63 #define WSTOPSIG WEXITSTATUS
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64 #endif
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65 #ifndef WCOREDUMP
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66 #define WCOREDUMP(S) ((S) & WCOREFLG)
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67 #endif
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68 #ifndef WCOREFLG
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69 #define WCOREFLG 0200
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70 #endif
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71
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72 #ifndef EXIT_SUCCESS
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73 #define EXIT_SUCCESS 0
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74 #endif
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75
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76 #ifndef EXIT_FAILURE
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77 #define EXIT_FAILURE 1
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78 #endif
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79
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80 /* When this program is run with no arguments, it runs some tests of
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81 the libiberty pexecute functions. As a test program, it simply
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82 invokes itself with various arguments.
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83
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84 argv[1]:
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85 *empty string* Run tests, exit with success status
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86 exit Exit success
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87 error Exit error
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88 abort Abort
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89 echo Echo remaining arguments, exit success
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90 echoerr Echo next arg to stdout, next to stderr, repeat
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91 copy Copy stdin to stdout
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92 write Write stdin to file named in next argument
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93 */
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94
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95 static void fatal_error (int, const char *, int) ATTRIBUTE_NORETURN;
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96 static void error (int, const char *);
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97 static void check_line (int, FILE *, const char *);
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98 static void do_cmd (int, char **) ATTRIBUTE_NORETURN;
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99
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100 /* The number of errors we have seen. */
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101
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102 static int error_count;
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103
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104 /* Print a fatal error and exit. LINE is the line number where we
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105 detected the error, ERRMSG is the error message to print, and ERR
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106 is 0 or an errno value to print. */
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107
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108 static void
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109 fatal_error (int line, const char *errmsg, int err)
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110 {
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111 fprintf (stderr, "test-pexecute:%d: %s", line, errmsg);
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112 if (errno != 0)
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113 fprintf (stderr, ": %s", xstrerror (err));
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114 fprintf (stderr, "\n");
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115 exit (EXIT_FAILURE);
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116 }
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117
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118 #define FATAL_ERROR(ERRMSG, ERR) fatal_error (__LINE__, ERRMSG, ERR)
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119
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120 /* Print an error message and bump the error count. LINE is the line
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121 number where we detected the error, ERRMSG is the error to
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122 print. */
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123
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124 static void
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125 error (int line, const char *errmsg)
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126 {
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127 fprintf (stderr, "test-pexecute:%d: %s\n", line, errmsg);
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128 ++error_count;
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129 }
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130
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131 #define ERROR(ERRMSG) error (__LINE__, ERRMSG)
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132
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133 /* Check a line in a file. */
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134
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135 static void
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136 check_line (int line, FILE *e, const char *str)
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137 {
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138 const char *p;
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139 int c;
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140 char buf[1000];
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141
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142 p = str;
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143 while (1)
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144 {
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145 c = getc (e);
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146
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147 if (*p == '\0')
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148 {
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149 if (c != '\n')
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150 {
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151 snprintf (buf, sizeof buf, "got '%c' when expecting newline", c);
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152 fatal_error (line, buf, 0);
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153 }
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154 c = getc (e);
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155 if (c != EOF)
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156 {
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157 snprintf (buf, sizeof buf, "got '%c' when expecting EOF", c);
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158 fatal_error (line, buf, 0);
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159 }
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160 return;
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161 }
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162
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163 if (c != *p)
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164 {
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165 snprintf (buf, sizeof buf, "expected '%c', got '%c'", *p, c);
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166 fatal_error (line, buf, 0);
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167 }
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168
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169 ++p;
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170 }
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171 }
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172
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173 #define CHECK_LINE(E, STR) check_line (__LINE__, E, STR)
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174
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175 /* Main function for the pexecute tester. Run the tests. */
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176
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177 int
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178 main (int argc, char **argv)
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179 {
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180 int trace;
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181 struct pex_obj *test_pex_tmp;
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182 int test_pex_status;
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183 FILE *test_pex_file;
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184 struct pex_obj *pex1;
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185 char *subargv[10];
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186 int status;
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187 FILE *e;
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188 int statuses[10];
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189
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190 trace = 0;
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191 if (argc > 1 && strcmp (argv[1], "-t") == 0)
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192 {
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193 trace = 1;
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194 --argc;
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195 ++argv;
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196 }
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197
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198 if (argc > 1)
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199 do_cmd (argc, argv);
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200
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201 #define TEST_PEX_INIT(FLAGS, TEMPBASE) \
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202 (((test_pex_tmp = pex_init (FLAGS, "test-pexecute", TEMPBASE)) \
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203 != NULL) \
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204 ? test_pex_tmp \
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205 : (FATAL_ERROR ("pex_init failed", 0), NULL))
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206
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207 #define TEST_PEX_RUN(PEXOBJ, FLAGS, EXECUTABLE, ARGV, OUTNAME, ERRNAME) \
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208 do \
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209 { \
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210 int err; \
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211 const char *pex_run_err; \
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212 if (trace) \
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213 fprintf (stderr, "Line %d: running %s %s\n", \
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214 __LINE__, EXECUTABLE, ARGV[0]); \
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215 pex_run_err = pex_run (PEXOBJ, FLAGS, EXECUTABLE, ARGV, OUTNAME, \
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216 ERRNAME, &err); \
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217 if (pex_run_err != NULL) \
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218 FATAL_ERROR (pex_run_err, err); \
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219 } \
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220 while (0)
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221
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222 #define TEST_PEX_GET_STATUS_1(PEXOBJ) \
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223 (pex_get_status (PEXOBJ, 1, &test_pex_status) \
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224 ? test_pex_status \
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225 : (FATAL_ERROR ("pex_get_status failed", errno), 1))
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226
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227 #define TEST_PEX_GET_STATUS(PEXOBJ, COUNT, VECTOR) \
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228 do \
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229 { \
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230 if (!pex_get_status (PEXOBJ, COUNT, VECTOR)) \
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231 FATAL_ERROR ("pex_get_status failed", errno); \
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232 } \
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233 while (0)
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234
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235 #define TEST_PEX_READ_OUTPUT(PEXOBJ) \
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236 ((test_pex_file = pex_read_output (PEXOBJ, 0)) != NULL \
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237 ? test_pex_file \
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238 : (FATAL_ERROR ("pex_read_output failed", errno), NULL))
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239
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240 remove ("temp.x");
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241 remove ("temp.y");
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242
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243 memset (subargv, 0, sizeof subargv);
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244
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245 subargv[0] = "./test-pexecute";
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246
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247 pex1 = TEST_PEX_INIT (PEX_USE_PIPES, NULL);
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248 subargv[1] = "exit";
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249 subargv[2] = NULL;
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250 TEST_PEX_RUN (pex1, PEX_LAST, "./test-pexecute", subargv, NULL, NULL);
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251 status = TEST_PEX_GET_STATUS_1 (pex1);
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252 if (!WIFEXITED (status) || WEXITSTATUS (status) != EXIT_SUCCESS)
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253 ERROR ("exit failed");
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254 pex_free (pex1);
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255
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256 pex1 = TEST_PEX_INIT (PEX_USE_PIPES, NULL);
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257 subargv[1] = "error";
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258 subargv[2] = NULL;
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259 TEST_PEX_RUN (pex1, PEX_LAST, "./test-pexecute", subargv, NULL, NULL);
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260 status = TEST_PEX_GET_STATUS_1 (pex1);
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261 if (!WIFEXITED (status) || WEXITSTATUS (status) != EXIT_FAILURE)
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262 ERROR ("error test failed");
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263 pex_free (pex1);
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264
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265 /* We redirect stderr to a file to avoid an error message which is
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266 printed on mingw32 when the child calls abort. */
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267 pex1 = TEST_PEX_INIT (PEX_USE_PIPES, NULL);
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268 subargv[1] = "abort";
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269 subargv[2] = NULL;
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270 TEST_PEX_RUN (pex1, PEX_LAST, "./test-pexecute", subargv, NULL, "temp.z");
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271 status = TEST_PEX_GET_STATUS_1 (pex1);
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272 if (!WIFSIGNALED (status) || WTERMSIG (status) != SIGABRT)
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273 ERROR ("abort failed");
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274 pex_free (pex1);
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275 remove ("temp.z");
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276
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277 pex1 = TEST_PEX_INIT (PEX_USE_PIPES, "temp");
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278 subargv[1] = "echo";
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279 subargv[2] = "foo";
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280 subargv[3] = NULL;
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281 TEST_PEX_RUN (pex1, 0, "./test-pexecute", subargv, NULL, NULL);
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282 e = TEST_PEX_READ_OUTPUT (pex1);
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283 CHECK_LINE (e, "foo");
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284 if (TEST_PEX_GET_STATUS_1 (pex1) != 0)
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285 ERROR ("echo exit status failed");
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286 pex_free (pex1);
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287
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111
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288 /* Check empty parameters don't get lost. */
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289 pex1 = TEST_PEX_INIT (PEX_USE_PIPES, "temp");
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290 subargv[1] = "echo";
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291 subargv[2] = "foo";
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292 subargv[3] = "";
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293 subargv[4] = "bar";
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294 subargv[5] = NULL;
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295 TEST_PEX_RUN (pex1, 0, "./test-pexecute", subargv, NULL, NULL);
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296 e = TEST_PEX_READ_OUTPUT (pex1);
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297 CHECK_LINE (e, "foo bar"); /* Two spaces! */
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298 if (TEST_PEX_GET_STATUS_1 (pex1) != 0)
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299 ERROR ("echo exit status failed");
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300 pex_free (pex1);
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301
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302 pex1 = TEST_PEX_INIT (PEX_USE_PIPES, "temp");
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303 subargv[1] = "echo";
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304 subargv[2] = "bar";
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305 subargv[3] = NULL;
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306 TEST_PEX_RUN (pex1, PEX_SUFFIX, "./test-pexecute", subargv, ".x", NULL);
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307 subargv[1] = "copy";
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308 subargv[2] = NULL;
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309 TEST_PEX_RUN (pex1, PEX_SUFFIX, "./test-pexecute", subargv, ".y", NULL);
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310 e = TEST_PEX_READ_OUTPUT (pex1);
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311 CHECK_LINE (e, "bar");
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312 TEST_PEX_GET_STATUS (pex1, 2, statuses);
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313 if (!WIFEXITED (statuses[0]) || WEXITSTATUS (statuses[0]) != EXIT_SUCCESS
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314 || !WIFEXITED (statuses[1]) || WEXITSTATUS (statuses[1]) != EXIT_SUCCESS)
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315 ERROR ("copy exit status failed");
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316 pex_free (pex1);
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317 if (fopen ("temp.x", "r") != NULL || fopen ("temp.y", "r") != NULL)
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318 ERROR ("temporary files exist");
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319
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320 pex1 = TEST_PEX_INIT (0, "temp");
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321 subargv[1] = "echo";
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322 subargv[2] = "bar";
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323 subargv[3] = NULL;
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324 TEST_PEX_RUN (pex1, PEX_SUFFIX, "./test-pexecute", subargv, ".x", NULL);
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325 subargv[1] = "copy";
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326 subargv[2] = NULL;
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327 TEST_PEX_RUN (pex1, PEX_SUFFIX, "./test-pexecute", subargv, ".y", NULL);
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328 e = TEST_PEX_READ_OUTPUT (pex1);
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329 CHECK_LINE (e, "bar");
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330 TEST_PEX_GET_STATUS (pex1, 2, statuses);
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331 if (!WIFEXITED (statuses[0]) || WEXITSTATUS (statuses[0]) != EXIT_SUCCESS
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332 || !WIFEXITED (statuses[1]) || WEXITSTATUS (statuses[1]) != EXIT_SUCCESS)
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333 ERROR ("copy exit status failed");
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334 pex_free (pex1);
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335 if (fopen ("temp.x", "r") != NULL || fopen ("temp.y", "r") != NULL)
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336 ERROR ("temporary files exist");
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337
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338 pex1 = TEST_PEX_INIT (PEX_SAVE_TEMPS, "temp");
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339 subargv[1] = "echo";
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340 subargv[2] = "quux";
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341 subargv[3] = NULL;
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342 TEST_PEX_RUN (pex1, PEX_SUFFIX, "./test-pexecute", subargv, ".x", NULL);
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343 subargv[1] = "copy";
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344 subargv[2] = NULL;
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345 TEST_PEX_RUN (pex1, PEX_SUFFIX, "./test-pexecute", subargv, ".y", NULL);
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346 e = TEST_PEX_READ_OUTPUT (pex1);
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347 CHECK_LINE (e, "quux");
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348 TEST_PEX_GET_STATUS (pex1, 2, statuses);
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349 if (!WIFEXITED (statuses[0]) || WEXITSTATUS (statuses[0]) != EXIT_SUCCESS
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350 || !WIFEXITED (statuses[1]) || WEXITSTATUS (statuses[1]) != EXIT_SUCCESS)
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351 ERROR ("copy temp exit status failed");
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352 e = fopen ("temp.x", "r");
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353 if (e == NULL)
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354 FATAL_ERROR ("fopen temp.x failed in copy temp", errno);
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355 CHECK_LINE (e, "quux");
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356 fclose (e);
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357 e = fopen ("temp.y", "r");
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358 if (e == NULL)
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359 FATAL_ERROR ("fopen temp.y failed in copy temp", errno);
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360 CHECK_LINE (e, "quux");
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361 fclose (e);
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362 pex_free (pex1);
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363 remove ("temp.x");
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364 remove ("temp.y");
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365
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366 pex1 = TEST_PEX_INIT (PEX_USE_PIPES, "temp");
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367 subargv[1] = "echoerr";
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368 subargv[2] = "one";
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369 subargv[3] = "two";
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370 subargv[4] = NULL;
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371 TEST_PEX_RUN (pex1, PEX_SUFFIX, "./test-pexecute", subargv, ".x", "temp2.x");
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372 subargv[1] = "write";
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373 subargv[2] = "temp2.y";
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374 subargv[3] = NULL;
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375 TEST_PEX_RUN (pex1, PEX_SUFFIX, "./test-pexecute", subargv, ".y", NULL);
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376 TEST_PEX_GET_STATUS (pex1, 2, statuses);
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377 if (!WIFEXITED (statuses[0]) || WEXITSTATUS (statuses[0]) != EXIT_SUCCESS
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378 || !WIFEXITED (statuses[1]) || WEXITSTATUS (statuses[1]) != EXIT_SUCCESS)
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379 ERROR ("echoerr exit status failed");
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380 pex_free (pex1);
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381 if (fopen ("temp.x", "r") != NULL || fopen ("temp.y", "r") != NULL)
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382 ERROR ("temporary files exist");
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383 e = fopen ("temp2.x", "r");
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384 if (e == NULL)
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385 FATAL_ERROR ("fopen temp2.x failed in echoerr", errno);
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386 CHECK_LINE (e, "two");
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387 fclose (e);
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388 e = fopen ("temp2.y", "r");
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389 if (e == NULL)
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390 FATAL_ERROR ("fopen temp2.y failed in echoerr", errno);
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391 CHECK_LINE (e, "one");
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392 fclose (e);
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393 remove ("temp2.x");
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394 remove ("temp2.y");
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395
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396 /* Test the old pexecute interface. */
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397 {
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398 int pid1, pid2;
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399 char *errmsg_fmt;
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400 char *errmsg_arg;
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401 char errbuf1[1000];
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402 char errbuf2[1000];
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403
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404 subargv[1] = "echo";
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405 subargv[2] = "oldpexecute";
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406 subargv[3] = NULL;
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407 pid1 = pexecute ("./test-pexecute", subargv, "test-pexecute", "temp",
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408 &errmsg_fmt, &errmsg_arg, PEXECUTE_FIRST);
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409 if (pid1 < 0)
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410 {
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411 snprintf (errbuf1, sizeof errbuf1, errmsg_fmt, errmsg_arg);
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412 snprintf (errbuf2, sizeof errbuf2, "pexecute 1 failed: %s", errbuf1);
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413 FATAL_ERROR (errbuf2, 0);
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414 }
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415
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416 subargv[1] = "write";
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417 subargv[2] = "temp.y";
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418 subargv[3] = NULL;
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419 pid2 = pexecute ("./test-pexecute", subargv, "test-pexecute", "temp",
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420 &errmsg_fmt, &errmsg_arg, PEXECUTE_LAST);
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421 if (pid2 < 0)
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422 {
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423 snprintf (errbuf1, sizeof errbuf1, errmsg_fmt, errmsg_arg);
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424 snprintf (errbuf2, sizeof errbuf2, "pexecute 2 failed: %s", errbuf1);
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425 FATAL_ERROR (errbuf2, 0);
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426 }
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|
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427
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428 if (pwait (pid1, &status, 0) < 0)
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429 FATAL_ERROR ("write pwait 1 failed", errno);
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|
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430 if (!WIFEXITED (status) || WEXITSTATUS (status) != EXIT_SUCCESS)
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431 ERROR ("write exit status 1 failed");
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432
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433 if (pwait (pid2, &status, 0) < 0)
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434 FATAL_ERROR ("write pwait 1 failed", errno);
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|
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435 if (!WIFEXITED (status) || WEXITSTATUS (status) != EXIT_SUCCESS)
|
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436 ERROR ("write exit status 2 failed");
|
|
|
437
|
|
|
438 e = fopen ("temp.y", "r");
|
|
|
439 if (e == NULL)
|
|
|
440 FATAL_ERROR ("fopen temp.y failed in copy temp", errno);
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|
|
441 CHECK_LINE (e, "oldpexecute");
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|
|
442 fclose (e);
|
|
|
443
|
|
|
444 remove ("temp.y");
|
|
|
445 }
|
|
|
446
|
|
|
447 if (trace)
|
|
|
448 fprintf (stderr, "Exiting with status %d\n", error_count);
|
|
|
449
|
|
|
450 return error_count;
|
|
|
451 }
|
|
|
452
|
|
|
453 /* Execute one of the special testing commands. */
|
|
|
454
|
|
|
455 static void
|
|
|
456 do_cmd (int argc, char **argv)
|
|
|
457 {
|
|
|
458 const char *s;
|
|
|
459
|
|
|
460 /* Try to prevent generating a core dump. */
|
|
|
461 #ifdef RLIMIT_CORE
|
|
|
462 {
|
|
|
463 struct rlimit r;
|
|
|
464
|
|
|
465 r.rlim_cur = 0;
|
|
|
466 r.rlim_max = 0;
|
|
|
467 setrlimit (RLIMIT_CORE, &r);
|
|
|
468 }
|
|
|
469 #endif
|
|
|
470
|
|
|
471 s = argv[1];
|
|
|
472 if (strcmp (s, "exit") == 0)
|
|
|
473 exit (EXIT_SUCCESS);
|
|
|
474 else if (strcmp (s, "echo") == 0)
|
|
|
475 {
|
|
|
476 int i;
|
|
|
477
|
|
|
478 for (i = 2; i < argc; ++i)
|
|
|
479 {
|
|
|
480 if (i > 2)
|
|
|
481 putchar (' ');
|
|
|
482 fputs (argv[i], stdout);
|
|
|
483 }
|
|
|
484 putchar ('\n');
|
|
|
485 exit (EXIT_SUCCESS);
|
|
|
486 }
|
|
|
487 else if (strcmp (s, "echoerr") == 0)
|
|
|
488 {
|
|
|
489 int i;
|
|
|
490
|
|
|
491 for (i = 2; i < argc; ++i)
|
|
|
492 {
|
|
|
493 if (i > 3)
|
|
|
494 putc (' ', (i & 1) == 0 ? stdout : stderr);
|
|
|
495 fputs (argv[i], (i & 1) == 0 ? stdout : stderr);
|
|
|
496 }
|
|
|
497 putc ('\n', stdout);
|
|
|
498 putc ('\n', stderr);
|
|
|
499 exit (EXIT_SUCCESS);
|
|
|
500 }
|
|
|
501 else if (strcmp (s, "error") == 0)
|
|
|
502 exit (EXIT_FAILURE);
|
|
|
503 else if (strcmp (s, "abort") == 0)
|
|
|
504 abort ();
|
|
|
505 else if (strcmp (s, "copy") == 0)
|
|
|
506 {
|
|
|
507 int c;
|
|
|
508
|
|
|
509 while ((c = getchar ()) != EOF)
|
|
|
510 putchar (c);
|
|
|
511 exit (EXIT_SUCCESS);
|
|
|
512 }
|
|
|
513 else if (strcmp (s, "write") == 0)
|
|
|
514 {
|
|
|
515 FILE *e;
|
|
|
516 int c;
|
|
|
517
|
|
|
518 e = fopen (argv[2], "w");
|
|
|
519 if (e == NULL)
|
|
|
520 FATAL_ERROR ("fopen for write failed", errno);
|
|
|
521 while ((c = getchar ()) != EOF)
|
|
|
522 putc (c, e);
|
|
|
523 if (fclose (e) != 0)
|
|
|
524 FATAL_ERROR ("fclose for write failed", errno);
|
|
|
525 exit (EXIT_SUCCESS);
|
|
|
526 }
|
|
|
527 else
|
|
|
528 {
|
|
|
529 char buf[1000];
|
|
|
530
|
|
|
531 snprintf (buf, sizeof buf, "unrecognized command %s", argv[1]);
|
|
|
532 FATAL_ERROR (buf, 0);
|
|
|
533 }
|
|
|
534
|
|
|
535 exit (EXIT_FAILURE);
|
|
|
536 }
|
