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authorCameron Katri <me@cameronkatri.com>2021-05-09 14:20:58 -0400
committerCameron Katri <me@cameronkatri.com>2021-05-09 14:20:58 -0400
commit5fd83771641d15c418f747bd343ba6738d3875f7 (patch)
tree5abf0f78f680d9837dbd93d4d4c3933bb7509599 /system_cmds/kpgo.tproj/kpgo.c
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Import macOS userland
adv_cmds-176 basic_cmds-55 bootstrap_cmds-116.100.1 developer_cmds-66 diskdev_cmds-667.40.1 doc_cmds-53.60.1 file_cmds-321.40.3 mail_cmds-35 misc_cmds-34 network_cmds-606.40.1 patch_cmds-17 remote_cmds-63 shell_cmds-216.60.1 system_cmds-880.60.2 text_cmds-106
Diffstat (limited to 'system_cmds/kpgo.tproj/kpgo.c')
-rw-r--r--system_cmds/kpgo.tproj/kpgo.c144
1 files changed, 144 insertions, 0 deletions
diff --git a/system_cmds/kpgo.tproj/kpgo.c b/system_cmds/kpgo.tproj/kpgo.c
new file mode 100644
index 0000000..dacfc4c
--- /dev/null
+++ b/system_cmds/kpgo.tproj/kpgo.c
@@ -0,0 +1,144 @@
+/*
+ * Copyright (c) 2014-2016 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
+ * Reserved. This file contains Original Code and/or Modifications of
+ * Original Code as defined in and that are subject to the Apple Public
+ * Source License Version 1.0 (the 'License'). You may not use this file
+ * except in compliance with the License. Please obtain a copy of the
+ * License at http://www.apple.com/publicsource and read it before using
+ * this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
+ * License for the specific language governing rights and limitations
+ * under the License."
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+
+#include <sys/pgo.h>
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+static void usage(char **argv)
+{
+ fprintf (stderr, "usage: %s [-H] [-m] [-w] [uuid] >datafile\n", argv[0]);
+ fprintf (stderr, " uuid : the UUID of a kext\n");
+ fprintf (stderr, " -H : grab data for the HIB segment\n");
+ fprintf (stderr, " -w : wait for the kext to be unloaded\n");
+ fprintf (stderr, " -m : request metadata\n");
+ fprintf (stderr, " -R : reset all counters\n");
+ exit(1);
+}
+
+int main(int argc, char **argv)
+{
+ int flags = 0;
+ int data_flags = 0;
+ uuid_t *uuidp = NULL;
+ uuid_t uuid;
+ int c;
+
+ while ((c = getopt(argc, argv, "hHwmR")) != EOF) {
+ switch(c) {
+ case 'R':
+ flags |= PGO_RESET_ALL;
+ break;
+ case 'H':
+ flags |= PGO_HIB;
+ break;
+ case 'm':
+ flags |= PGO_METADATA;
+ break;
+ case 'w':
+ data_flags |= PGO_WAIT_FOR_UNLOAD;
+ break;
+ case '?':
+ case 'h':
+ default:
+ usage(argv);
+ break;
+ }
+ }
+
+ if (optind < argc)
+ {
+ if (optind == argc - 1 &&
+ 0 == uuid_parse(argv[optind], uuid))
+ {
+ uuidp = &uuid;
+ } else {
+ usage(argv);
+ }
+ }
+
+ if (flags & PGO_RESET_ALL) {
+ if (flags != PGO_RESET_ALL || uuidp) {
+ usage(argv);
+ }
+ ssize_t r = grab_pgo_data(NULL, PGO_RESET_ALL, NULL, 0);
+ if (r < 0)
+ {
+ perror("grab_pgo_data");
+ return 1;
+ }
+ return 0;
+ }
+
+ ssize_t size = grab_pgo_data(uuidp, flags, NULL, 0);
+
+ if (size < 0)
+ {
+ perror("grab_pgo_data");
+ return 1;
+ }
+
+
+ fprintf (stderr, "size = %ld\n", (long) size);
+
+ unsigned char *buffer = valloc(size);
+ if (!buffer)
+ {
+ perror("valloc");
+ return 1;
+ }
+
+ ssize_t r = grab_pgo_data(uuidp, flags | data_flags, buffer, size);
+
+
+ if (r < 0)
+ {
+ perror("grab_pgo_data");
+ return 1;
+ }
+
+ if (isatty(STDOUT_FILENO)) {
+ fprintf (stderr, "%s: refusing to write binary data to a tty!\n", argv[0]);
+ return 1;
+ }
+
+ while (size > 0) {
+ errno = 0;
+ r = write(STDOUT_FILENO, buffer, size);
+ if (r > 0) {
+ buffer += r;
+ size -= r;
+ } else {
+ perror ("write");
+ return 1;
+ }
+ }
+
+ return 0;
+}