209 lines
5.4 KiB
C
209 lines
5.4 KiB
C
/*
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* Copyright (C) 2000-2007 Carsten Haitzler, Geoff Harrison and various contributors
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* Copyright (C) 2004-2009 Kim Woelders
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies of the Software, its documentation and marketing & publicity
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* materials, and acknowledgment shall be given in the documentation, materials
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* and software packages that this Software was used.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "E.h"
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#include "desktops.h"
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#include "file.h"
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#include "user.h"
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static void
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StartupIdExport(void)
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{
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char buf[128];
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Desk *dsk;
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int ax, ay;
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dsk = DesksGetCurrent();
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DeskGetArea(dsk, &ax, &ay);
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Esnprintf(buf, sizeof(buf), "e16/%d:%d:%d,%d", Mode.apps.startup_id,
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dsk->num, ax, ay);
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Esetenv("DESKTOP_STARTUP_ID", buf);
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}
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static void
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ExecSetupEnv(int flags)
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{
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int fd;
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setsid();
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/* Close all file descriptors except the std 3 */
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for (fd = 3; fd < 1024; fd++)
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close(fd);
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/* Set up env stuff */
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if (flags & EXEC_SET_LANG)
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LangExport();
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if (flags & EXEC_SET_STARTUP_ID)
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StartupIdExport();
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#if USE_ROOTHACKLIB
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if (Mode.wm.window)
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Esetenv("LD_PRELOAD", ENLIGHTENMENT_LIB "/libhack.so");
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#endif
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}
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int
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execApplication(const char *params, int flags)
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{
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char exe[FILEPATH_LEN_MAX];
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char *sh;
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char *path;
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char *real_exec;
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if (!params)
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return -1;
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sscanf(params, "%4000s", exe);
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if (exe[0] == '\0')
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return -1;
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Mode.apps.startup_id++;
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if (fork())
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return 0;
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ExecSetupEnv(flags);
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sh = usershell(getuid());
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if (path_canexec(exe))
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{
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real_exec = EMALLOC(char, strlen(params) + 6);
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if (!real_exec)
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return -1;
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sprintf(real_exec, "exec %s", params);
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execl(sh, sh, "-c", real_exec, NULL);
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/* We should not get here - invalid shell? */
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}
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if (!Mode.wm.startup)
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{
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path = path_test(exe, EFILE_ANY);
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if (!path)
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{
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/* absolute path */
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if (isabspath(exe))
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AlertOK(_("There was an error running the program:\n"
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"%s\n"
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"This program could not be executed.\n"
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"This is because the file does not exist.\n"), exe);
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/* relative path */
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else
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AlertOK(_("There was an error running the program:\n"
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"%s\n"
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"This program could not be executed.\n"
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"This is most probably because this "
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"program is not in the\n"
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"path for your shell which is %s. "
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"I suggest you read the manual\n"
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"page for that shell and read up how to "
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"change or add to your\n"
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"execution path.\n"), exe, sh);
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}
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else
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/* it is a node on the filing sys */
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{
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/* it's a file */
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if (isfile(path))
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{
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/* can execute it */
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if (canexec(path))
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AlertOK(_("There was an error running the program:\n"
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"%s\n"
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"This program could not be executed.\n"
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"I am unsure as to why you could not "
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"do this. The file exists,\n"
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"is a file, and you are allowed to "
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"execute it. I suggest you look\n"
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"into this.\n"), path);
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/* not executable file */
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else
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AlertOK(_("There was an error running the program:\n"
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"%s\n"
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"This program could not be executed.\n"
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"This is because the file exists, is a "
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"file, but you are unable\n"
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"to execute it because you do not "
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"have execute " "access to this file.\n"), path);
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}
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/* it's not a file */
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else
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{
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/* its a dir */
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if (isdir(path))
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AlertOK(_("There was an error running the program:\n"
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"%s\n"
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"This program could not be executed.\n"
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"This is because the file is in fact "
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"a directory.\n"), path);
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/* its not a file or a dir */
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else
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AlertOK(_("There was an error running the program:\n"
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"%s\n"
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"This program could not be executed.\n"
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"This is because the file is not a "
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"regular file.\n"), path);
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}
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Efree(path);
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}
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}
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exit(100);
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}
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void
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Espawn(int argc __UNUSED__, char **argv)
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{
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if (!argv || !argv[0])
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return;
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if (fork())
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return;
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ExecSetupEnv(EXEC_SET_LANG);
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execvp(argv[0], argv);
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AlertOK(_("There was an error running the program:\n%s\n"), argv[0]);
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exit(100);
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}
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void
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EspawnCmd(const char *cmd)
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{
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int argc;
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char **argv;
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argv = StrlistDecodeEscaped(cmd, &argc);
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Espawn(argc, argv);
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StrlistFree(argv, argc);
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}
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int
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Esystem(const char *cmd)
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{
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return system(cmd);
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}
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