diff options
Diffstat (limited to 'xorg-server/hw/xfree86/parser/write.c')
-rw-r--r-- | xorg-server/hw/xfree86/parser/write.c | 436 |
1 files changed, 216 insertions, 220 deletions
diff --git a/xorg-server/hw/xfree86/parser/write.c b/xorg-server/hw/xfree86/parser/write.c index 083203c05..fe51ee7f5 100644 --- a/xorg-server/hw/xfree86/parser/write.c +++ b/xorg-server/hw/xfree86/parser/write.c @@ -1,220 +1,216 @@ -/* - * Copyright (c) 1997 Metro Link Incorporated - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF - * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Except as contained in this notice, the name of the Metro Link shall not be - * used in advertising or otherwise to promote the sale, use or other dealings - * in this Software without prior written authorization from Metro Link. - * - */ -/* - * Copyright (c) 1997-2003 by The XFree86 Project, Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * Except as contained in this notice, the name of the copyright holder(s) - * and author(s) shall not be used in advertising or otherwise to promote - * the sale, use or other dealings in this Software without prior written - * authorization from the copyright holder(s) and author(s). - */ - - -/* View/edit this file with tab stops set to 4 */ - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include "xf86Parser.h" -#include "xf86tokens.h" -#include "Configint.h" - -#include <unistd.h> -#include <sys/types.h> -#include <sys/wait.h> -#include <signal.h> -#include <errno.h> - -#if defined(SVR4) || defined(__linux__) || defined(CSRG_BASED) -#define HAS_SAVED_IDS_AND_SETEUID -#endif -#if defined(WIN32) -#define HAS_NO_UIDS -#endif - -#ifdef HAS_NO_UIDS -#define doWriteConfigFile xf86writeConfigFile -#define Local /**/ -#else -#define Local static -#endif - -Local int -doWriteConfigFile (const char *filename, XF86ConfigPtr cptr) -{ - FILE *cf; - - if ((cf = fopen (filename, "w")) == NULL) - { - return 0; - } - - if (cptr->conf_comment) - fprintf (cf, "%s\n", cptr->conf_comment); - - xf86printLayoutSection (cf, cptr->conf_layout_lst); - - if (cptr->conf_files != NULL) - { - fprintf (cf, "Section \"Files\"\n"); - xf86printFileSection (cf, cptr->conf_files); - fprintf (cf, "EndSection\n\n"); - } - - if (cptr->conf_modules != NULL) - { - fprintf (cf, "Section \"Module\"\n"); - xf86printModuleSection (cf, cptr->conf_modules); - fprintf (cf, "EndSection\n\n"); - } - - xf86printVendorSection (cf, cptr->conf_vendor_lst); - - xf86printServerFlagsSection (cf, cptr->conf_flags); - - xf86printInputSection (cf, cptr->conf_input_lst); - - xf86printInputClassSection (cf, cptr->conf_inputclass_lst); - - xf86printVideoAdaptorSection (cf, cptr->conf_videoadaptor_lst); - - xf86printModesSection (cf, cptr->conf_modes_lst); - - xf86printMonitorSection (cf, cptr->conf_monitor_lst); - - xf86printDeviceSection (cf, cptr->conf_device_lst); - - xf86printScreenSection (cf, cptr->conf_screen_lst); - - xf86printDRISection (cf, cptr->conf_dri); - - xf86printExtensionsSection (cf, cptr->conf_extensions); - - fclose(cf); - return 1; -} - -#ifndef HAS_NO_UIDS - -int -xf86writeConfigFile (const char *filename, XF86ConfigPtr cptr) -{ - int ret; - -#if !defined(HAS_SAVED_IDS_AND_SETEUID) - int pid, p; - int status; - void (*csig)(int); -#else - int ruid, euid; -#endif - - if (getuid() != geteuid()) - { - -#if !defined(HAS_SAVED_IDS_AND_SETEUID) - /* Need to fork to change ruid without loosing euid */ -#ifdef SIGCHLD - csig = signal(SIGCHLD, SIG_DFL); -#endif - switch ((pid = fork())) - { - case -1: - ErrorF("xf86writeConfigFile(): fork failed (%s)\n", - strerror(errno)); - return 0; - case 0: /* child */ - if (setuid(getuid()) == -1) - FatalError("xf86writeConfigFile(): " - "setuid failed(%s)\n", - strerror(errno)); - ret = doWriteConfigFile(filename, cptr); - exit(ret); - break; - default: /* parent */ - do - { - p = waitpid(pid, &status, 0); - } while (p == -1 && errno == EINTR); - } -#ifdef SIGCHLD - signal(SIGCHLD, csig); -#endif - if (p != -1 && WIFEXITED(status) && WEXITSTATUS(status) == 0) - return 1; /* success */ - else - return 0; - -#else /* HAS_SAVED_IDS_AND_SETEUID */ - - ruid = getuid(); - euid = geteuid(); - - if (seteuid(ruid) == -1) - { - ErrorF("xf86writeConfigFile(): seteuid(%d) failed (%s)\n", - ruid, strerror(errno)); - return 0; - } - ret = doWriteConfigFile(filename, cptr); - - if (seteuid(euid) == -1) - { - ErrorF("xf86writeConfigFile(): seteuid(%d) failed (%s)\n", - euid, strerror(errno)); - } - return ret; - -#endif /* HAS_SAVED_IDS_AND_SETEUID */ - - } - else - { - return doWriteConfigFile(filename, cptr); - } -} - -#endif /* !HAS_NO_UIDS */ +/*
+ * Copyright (c) 1997 Metro Link Incorporated
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Except as contained in this notice, the name of the Metro Link shall not be
+ * used in advertising or otherwise to promote the sale, use or other dealings
+ * in this Software without prior written authorization from Metro Link.
+ *
+ */
+/*
+ * Copyright (c) 1997-2003 by The XFree86 Project, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name of the copyright holder(s)
+ * and author(s) shall not be used in advertising or otherwise to promote
+ * the sale, use or other dealings in this Software without prior written
+ * authorization from the copyright holder(s) and author(s).
+ */
+
+
+/* View/edit this file with tab stops set to 4 */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "xf86Parser.h"
+#include "xf86tokens.h"
+#include "Configint.h"
+
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <signal.h>
+#include <errno.h>
+
+#if defined(SVR4) || defined(__linux__) || defined(CSRG_BASED)
+#define HAS_SAVED_IDS_AND_SETEUID
+#endif
+#if defined(WIN32)
+#define HAS_NO_UIDS
+#endif
+
+#ifdef HAS_NO_UIDS
+#define doWriteConfigFile xf86writeConfigFile
+#define Local /**/
+#else
+#define Local static
+#endif
+
+Local int
+doWriteConfigFile (const char *filename, XF86ConfigPtr cptr)
+{
+ FILE *cf;
+
+ if ((cf = fopen (filename, "w")) == NULL)
+ {
+ return 0;
+ }
+
+ if (cptr->conf_comment)
+ fprintf (cf, "%s\n", cptr->conf_comment);
+
+ xf86printLayoutSection (cf, cptr->conf_layout_lst);
+
+ if (cptr->conf_files != NULL)
+ {
+ fprintf (cf, "Section \"Files\"\n");
+ xf86printFileSection (cf, cptr->conf_files);
+ fprintf (cf, "EndSection\n\n");
+ }
+
+ if (cptr->conf_modules != NULL)
+ {
+ fprintf (cf, "Section \"Module\"\n");
+ xf86printModuleSection (cf, cptr->conf_modules);
+ fprintf (cf, "EndSection\n\n");
+ }
+
+ xf86printVendorSection (cf, cptr->conf_vendor_lst);
+
+ xf86printServerFlagsSection (cf, cptr->conf_flags);
+
+ xf86printInputSection (cf, cptr->conf_input_lst);
+
+ xf86printInputClassSection (cf, cptr->conf_inputclass_lst);
+
+ xf86printVideoAdaptorSection (cf, cptr->conf_videoadaptor_lst);
+
+ xf86printModesSection (cf, cptr->conf_modes_lst);
+
+ xf86printMonitorSection (cf, cptr->conf_monitor_lst);
+
+ xf86printDeviceSection (cf, cptr->conf_device_lst);
+
+ xf86printScreenSection (cf, cptr->conf_screen_lst);
+
+ xf86printDRISection (cf, cptr->conf_dri);
+
+ xf86printExtensionsSection (cf, cptr->conf_extensions);
+
+ fclose(cf);
+ return 1;
+}
+
+#ifndef HAS_NO_UIDS
+
+int
+xf86writeConfigFile (const char *filename, XF86ConfigPtr cptr)
+{
+ int ret;
+
+#if !defined(HAS_SAVED_IDS_AND_SETEUID)
+ int pid, p;
+ int status;
+ void (*csig)(int);
+#else
+ int ruid, euid;
+#endif
+
+ if (getuid() != geteuid())
+ {
+
+#if !defined(HAS_SAVED_IDS_AND_SETEUID)
+ /* Need to fork to change ruid without loosing euid */
+ csig = signal(SIGCHLD, SIG_DFL);
+ switch ((pid = fork()))
+ {
+ case -1:
+ ErrorF("xf86writeConfigFile(): fork failed (%s)\n",
+ strerror(errno));
+ return 0;
+ case 0: /* child */
+ if (setuid(getuid()) == -1)
+ FatalError("xf86writeConfigFile(): "
+ "setuid failed(%s)\n",
+ strerror(errno));
+ ret = doWriteConfigFile(filename, cptr);
+ exit(ret);
+ break;
+ default: /* parent */
+ do
+ {
+ p = waitpid(pid, &status, 0);
+ } while (p == -1 && errno == EINTR);
+ }
+ signal(SIGCHLD, csig);
+ if (p != -1 && WIFEXITED(status) && WEXITSTATUS(status) == 0)
+ return 1; /* success */
+ else
+ return 0;
+
+#else /* HAS_SAVED_IDS_AND_SETEUID */
+
+ ruid = getuid();
+ euid = geteuid();
+
+ if (seteuid(ruid) == -1)
+ {
+ ErrorF("xf86writeConfigFile(): seteuid(%d) failed (%s)\n",
+ ruid, strerror(errno));
+ return 0;
+ }
+ ret = doWriteConfigFile(filename, cptr);
+
+ if (seteuid(euid) == -1)
+ {
+ ErrorF("xf86writeConfigFile(): seteuid(%d) failed (%s)\n",
+ euid, strerror(errno));
+ }
+ return ret;
+
+#endif /* HAS_SAVED_IDS_AND_SETEUID */
+
+ }
+ else
+ {
+ return doWriteConfigFile(filename, cptr);
+ }
+}
+
+#endif /* !HAS_NO_UIDS */
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