char * system_quote_copy (char *p, enum system_command_interpreter interpreter, const char *string) { switch (interpreter) { #if !((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__) case SCI_SYSTEM: #endif case SCI_POSIX_SH: return shell_quote_copy (p, string); #if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ case SCI_WINDOWS_CREATEPROCESS: p += windows_createprocess_quote (p, string); *p = '\0'; return p; case SCI_SYSTEM: case SCI_WINDOWS_CMD: p += windows_cmd_quote (p, string); *p = '\0'; return p; #endif default: /* Invalid interpreter. */ abort (); } }
/* Returns a freshly allocated string containing all argument strings, quoted, separated through spaces. */ char * shell_quote_argv (char **argv) { if (*argv != NULL) { char **argp; size_t length; char *command; char *p; length = 0; for (argp = argv; ; ) { length += shell_quote_length (*argp) + 1; argp++; if (*argp == NULL) break; } command = XNMALLOC (length, char); p = command; for (argp = argv; ; ) { p = shell_quote_copy (p, *argp); argp++; if (*argp == NULL) break; *p++ = ' '; } *p = '\0'; return command; }
static void check_one (const char *input, const char *expected) { char buf[1000]; size_t output_len; char *output; char *bufend; output_len = shell_quote_length (input); output = shell_quote (input); ASSERT (strlen (output) == output_len); ASSERT (output_len <= sizeof (buf) - 2); memset (buf, '\0', output_len + 1); buf[output_len + 1] = '%'; bufend = shell_quote_copy (buf, input); ASSERT (bufend == buf + output_len); ASSERT (memcmp (buf, output, output_len + 1) == 0); ASSERT (buf[output_len + 1] == '%'); ASSERT (strcmp (output, expected) == 0); free (output); }
/* Returns the freshly allocated quoted string. */ char * shell_quote (const char *string) { size_t length = shell_quote_length (string); char *quoted = (char *) xmalloc (length + 1); char *p = shell_quote_copy (quoted, string); *p = '\0'; return quoted; }
/* Returns a freshly allocated string containing all argument strings, quoted, separated through spaces. */ char * shell_quote_argv (char **argv) { if (*argv != NULL) { char **argp; size_t length; char *command; char *p; length = 0; for (argp = argv; ; ) { length += shell_quote_length (*argp) + 1; argp++; if (*argp == NULL) break; } command = (char *) xmalloc (length); p = command; for (argp = argv; ; ) { p = shell_quote_copy (p, *argp); argp++; if (*argp == NULL) break; *p++ = ' '; } *p = '\0'; return command; } else return xstrdup (""); }
bool execute_java_class (const char *class_name, const char * const *classpaths, unsigned int classpaths_count, bool use_minimal_classpath, const char *exe_dir, const char * const *args, bool verbose, bool quiet, execute_fn *executer, void *private_data) { bool err = false; unsigned int nargs; char *old_JAVA_HOME; /* Count args. */ { const char * const *arg; for (nargs = 0, arg = args; *arg != NULL; nargs++, arg++) ; } /* First, try a class compiled to a native code executable. */ if (exe_dir != NULL) { char *exe_pathname = concatenated_filename (exe_dir, class_name, EXEEXT); char *old_classpath; char **argv = (char **) xmalloca ((1 + nargs + 1) * sizeof (char *)); unsigned int i; /* Set CLASSPATH. */ old_classpath = set_classpath (classpaths, classpaths_count, use_minimal_classpath, verbose); argv[0] = exe_pathname; for (i = 0; i <= nargs; i++) argv[1 + i] = (char *) args[i]; if (verbose) { char *command = shell_quote_argv (argv); printf ("%s\n", command); free (command); } err = executer (class_name, exe_pathname, argv, private_data); /* Reset CLASSPATH. */ reset_classpath (old_classpath); freea (argv); goto done1; } { const char *java = getenv ("JAVA"); if (java != NULL && java[0] != '\0') { /* Because $JAVA may consist of a command and options, we use the shell. Because $JAVA has been set by the user, we leave all all environment variables in place, including JAVA_HOME, and we don't erase the user's CLASSPATH. */ char *old_classpath; unsigned int command_length; char *command; char *argv[4]; const char * const *arg; char *p; /* Set CLASSPATH. */ old_classpath = set_classpath (classpaths, classpaths_count, false, verbose); command_length = strlen (java); command_length += 1 + shell_quote_length (class_name); for (arg = args; *arg != NULL; arg++) command_length += 1 + shell_quote_length (*arg); command_length += 1; command = (char *) xmalloca (command_length); p = command; /* Don't shell_quote $JAVA, because it may consist of a command and options. */ memcpy (p, java, strlen (java)); p += strlen (java); *p++ = ' '; p = shell_quote_copy (p, class_name); for (arg = args; *arg != NULL; arg++) { *p++ = ' '; p = shell_quote_copy (p, *arg); } *p++ = '\0'; /* Ensure command_length was correctly calculated. */ if (p - command > command_length) abort (); if (verbose) printf ("%s\n", command); argv[0] = "/bin/sh"; argv[1] = "-c"; argv[2] = command; argv[3] = NULL; err = executer (java, "/bin/sh", argv, private_data); freea (command); /* Reset CLASSPATH. */ reset_classpath (old_classpath); goto done1; } } /* Unset the JAVA_HOME environment variable. */ old_JAVA_HOME = getenv ("JAVA_HOME"); if (old_JAVA_HOME != NULL) { old_JAVA_HOME = xstrdup (old_JAVA_HOME); unsetenv ("JAVA_HOME"); } { static bool gij_tested; static bool gij_present; if (!gij_tested) { /* Test for presence of gij: "gij --version > /dev/null" */ char *argv[3]; int exitstatus; argv[0] = "gij"; argv[1] = "--version"; argv[2] = NULL; exitstatus = execute ("gij", "gij", argv, false, false, true, true, true, false); gij_present = (exitstatus == 0); gij_tested = true; } if (gij_present) { char *old_classpath; char **argv = (char **) xmalloca ((2 + nargs + 1) * sizeof (char *)); unsigned int i; /* Set CLASSPATH. */ old_classpath = set_classpath (classpaths, classpaths_count, use_minimal_classpath, verbose); argv[0] = "gij"; argv[1] = (char *) class_name; for (i = 0; i <= nargs; i++) argv[2 + i] = (char *) args[i]; if (verbose) { char *command = shell_quote_argv (argv); printf ("%s\n", command); free (command); } err = executer ("gij", "gij", argv, private_data); /* Reset CLASSPATH. */ reset_classpath (old_classpath); freea (argv); goto done2; } } { static bool java_tested; static bool java_present; if (!java_tested) { /* Test for presence of java: "java -version 2> /dev/null" */ char *argv[3]; int exitstatus; argv[0] = "java"; argv[1] = "-version"; argv[2] = NULL; exitstatus = execute ("java", "java", argv, false, false, true, true, true, false); java_present = (exitstatus == 0); java_tested = true; } if (java_present) { char *old_classpath; char **argv = (char **) xmalloca ((2 + nargs + 1) * sizeof (char *)); unsigned int i; /* Set CLASSPATH. We don't use the "-classpath ..." option because in JDK 1.1.x its argument should also contain the JDK's classes.zip, but we don't know its location. (In JDK 1.3.0 it would work.) */ old_classpath = set_classpath (classpaths, classpaths_count, use_minimal_classpath, verbose); argv[0] = "java"; argv[1] = (char *) class_name; for (i = 0; i <= nargs; i++) argv[2 + i] = (char *) args[i]; if (verbose) { char *command = shell_quote_argv (argv); printf ("%s\n", command); free (command); } err = executer ("java", "java", argv, private_data); /* Reset CLASSPATH. */ reset_classpath (old_classpath); freea (argv); goto done2; } } { static bool jre_tested; static bool jre_present; if (!jre_tested) { /* Test for presence of jre: "jre 2> /dev/null ; test $? = 1" */ char *argv[2]; int exitstatus; argv[0] = "jre"; argv[1] = NULL; exitstatus = execute ("jre", "jre", argv, false, false, true, true, true, false); jre_present = (exitstatus == 0 || exitstatus == 1); jre_tested = true; } if (jre_present) { char *old_classpath; char **argv = (char **) xmalloca ((2 + nargs + 1) * sizeof (char *)); unsigned int i; /* Set CLASSPATH. We don't use the "-classpath ..." option because in JDK 1.1.x its argument should also contain the JDK's classes.zip, but we don't know its location. */ old_classpath = set_classpath (classpaths, classpaths_count, use_minimal_classpath, verbose); argv[0] = "jre"; argv[1] = (char *) class_name; for (i = 0; i <= nargs; i++) argv[2 + i] = (char *) args[i]; if (verbose) { char *command = shell_quote_argv (argv); printf ("%s\n", command); free (command); } err = executer ("jre", "jre", argv, private_data); /* Reset CLASSPATH. */ reset_classpath (old_classpath); freea (argv); goto done2; } } #if defined _WIN32 || defined __WIN32__ || defined __CYGWIN__ /* Win32, Cygwin */ { static bool jview_tested; static bool jview_present; if (!jview_tested) { /* Test for presence of jview: "jview -? >nul ; test $? = 1" */ char *argv[3]; int exitstatus; argv[0] = "jview"; argv[1] = "-?"; argv[2] = NULL; exitstatus = execute ("jview", "jview", argv, false, false, true, true, true, false); jview_present = (exitstatus == 0 || exitstatus == 1); jview_tested = true; } if (jview_present) { char *old_classpath; char **argv = (char **) xmalloca ((2 + nargs + 1) * sizeof (char *)); unsigned int i; /* Set CLASSPATH. */ old_classpath = set_classpath (classpaths, classpaths_count, use_minimal_classpath, verbose); argv[0] = "jview"; argv[1] = (char *) class_name; for (i = 0; i <= nargs; i++) argv[2 + i] = (char *) args[i]; if (verbose) { char *command = shell_quote_argv (argv); printf ("%s\n", command); free (command); } err = executer ("jview", "jview", argv, private_data); /* Reset CLASSPATH. */ reset_classpath (old_classpath); freea (argv); goto done2; } } #endif if (!quiet) error (0, 0, _("Java virtual machine not found, try installing gij or set $JAVA")); err = true; done2: if (old_JAVA_HOME != NULL) { xsetenv ("JAVA_HOME", old_JAVA_HOME, 1); free (old_JAVA_HOME); } done1: return err; }