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-rw-r--r--tools/ota/Android.mk22
-rw-r--r--tools/ota/add-property-tag.c141
-rw-r--r--tools/ota/check-lost+found.c144
-rw-r--r--tools/ota/make-update-script.c2
4 files changed, 308 insertions, 1 deletions
diff --git a/tools/ota/Android.mk b/tools/ota/Android.mk
index 43e2135a7..b7a57d6ac 100644
--- a/tools/ota/Android.mk
+++ b/tools/ota/Android.mk
@@ -18,3 +18,25 @@ include $(CLEAR_VARS)
LOCAL_MODULE := make-update-script
LOCAL_SRC_FILES := make-update-script.c
include $(BUILD_HOST_EXECUTABLE)
+
+ifneq ($(TARGET_SIMULATOR),true)
+
+include $(CLEAR_VARS)
+LOCAL_FORCE_STATIC_EXECUTABLE := true
+LOCAL_MODULE := add-property-tag
+LOCAL_MODULE_PATH := $(TARGET_OUT_OPTIONAL_EXECUTABLES)
+LOCAL_MODULE_TAGS := debug
+LOCAL_SRC_FILES := add-property-tag.c
+LOCAL_STATIC_LIBRARIES := libc
+include $(BUILD_EXECUTABLE)
+
+include $(CLEAR_VARS)
+LOCAL_FORCE_STATIC_EXECUTABLE := true
+LOCAL_MODULE := check-lost+found
+LOCAL_MODULE_PATH := $(TARGET_OUT_OPTIONAL_EXECUTABLES)
+LOCAL_MODULE_TAGS := debug
+LOCAL_SRC_FILES := check-lost+found.c
+LOCAL_STATIC_LIBRARIES := libcutils libc
+include $(BUILD_EXECUTABLE)
+
+endif # !TARGET_SIMULATOR
diff --git a/tools/ota/add-property-tag.c b/tools/ota/add-property-tag.c
new file mode 100644
index 000000000..5277edd9c
--- /dev/null
+++ b/tools/ota/add-property-tag.c
@@ -0,0 +1,141 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <ctype.h>
+#include <errno.h>
+#include <getopt.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+/*
+ * Append a tag to a property value in a .prop file if it isn't already there.
+ * Normally used to modify build properties to record incremental updates.
+ */
+
+// Return nonzero if the tag should be added to this line.
+int should_tag(const char *line, const char *propname) {
+ const char *prop = strstr(line, propname);
+ if (prop == NULL) return 0;
+
+ // Make sure this is actually the property name (not an accidental hit)
+ const char *ptr;
+ for (ptr = line; ptr < prop && isspace(*ptr); ++ptr) ;
+ if (ptr != prop) return 0; // Must be at the beginning of the line
+
+ for (ptr += strlen(propname); *ptr != '\0' && isspace(*ptr); ++ptr) ;
+ return (*ptr == '='); // Must be followed by a '='
+}
+
+// Remove existing tags from the line, return the following number (if any)
+int remove_tag(char *line, const char *tag) {
+ char *pos = strstr(line, tag);
+ if (pos == NULL) return 0;
+
+ char *end;
+ int num = strtoul(pos + strlen(tag), &end, 10);
+ strcpy(pos, end);
+ return num;
+}
+
+// Write line to output with the tag added, adding a number (if >0)
+void write_tagged(FILE *out, const char *line, const char *tag, int number) {
+ const char *end = line + strlen(line);
+ while (end > line && isspace(end[-1])) --end;
+ if (number > 0) {
+ fprintf(out, "%.*s%s%d%s", end - line, line, tag, number, end);
+ } else {
+ fprintf(out, "%.*s%s%s", end - line, line, tag, end);
+ }
+}
+
+int main(int argc, char **argv) {
+ const char *filename = "/system/build.prop";
+ const char *propname = "ro.build.fingerprint";
+ const char *tag = NULL;
+ int do_remove = 0, do_number = 0;
+
+ int opt;
+ while ((opt = getopt(argc, argv, "f:p:rn")) != -1) {
+ switch (opt) {
+ case 'f': filename = optarg; break;
+ case 'p': propname = optarg; break;
+ case 'r': do_remove = 1; break;
+ case 'n': do_number = 1; break;
+ case '?': return 2;
+ }
+ }
+
+ if (argc != optind + 1) {
+ fprintf(stderr,
+ "usage: add-property-tag [flags] tag-to-add\n"
+ "flags: -f /dir/file.prop (default /system/build.prop)\n"
+ " -p prop.name (default ro.build.fingerprint)\n"
+ " -r (if set, remove the tag rather than adding it)\n"
+ " -n (if set, add and increment a number after the tag)\n");
+ return 2;
+ }
+
+ tag = argv[optind];
+ FILE *input = fopen(filename, "r");
+ if (input == NULL) {
+ fprintf(stderr, "can't read %s: %s\n", filename, strerror(errno));
+ return 1;
+ }
+
+ char tmpname[PATH_MAX];
+ snprintf(tmpname, sizeof(tmpname), "%s.tmp", filename);
+ FILE *output = fopen(tmpname, "w");
+ if (output == NULL) {
+ fprintf(stderr, "can't write %s: %s\n", tmpname, strerror(errno));
+ return 1;
+ }
+
+ int found = 0;
+ char line[4096];
+ while (fgets(line, sizeof(line), input)) {
+ if (!should_tag(line, propname)) {
+ fputs(line, output); // Pass through unmodified
+ } else {
+ found = 1;
+ int number = remove_tag(line, tag);
+ if (do_remove) {
+ fputs(line, output); // Remove the tag but don't re-add it
+ } else {
+ write_tagged(output, line, tag, number + do_number);
+ }
+ }
+ }
+
+ fclose(input);
+ fclose(output);
+
+ if (!found) {
+ fprintf(stderr, "property %s not found in %s\n", propname, filename);
+ remove(tmpname);
+ return 1;
+ }
+
+ if (rename(tmpname, filename)) {
+ fprintf(stderr, "can't rename %s to %s: %s\n",
+ tmpname, filename, strerror(errno));
+ remove(tmpname);
+ return 1;
+ }
+
+ return 0;
+}
diff --git a/tools/ota/check-lost+found.c b/tools/ota/check-lost+found.c
new file mode 100644
index 000000000..f85627544
--- /dev/null
+++ b/tools/ota/check-lost+found.c
@@ -0,0 +1,144 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/klog.h>
+#include <sys/reboot.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <time.h>
+
+#include "private/android_filesystem_config.h"
+
+// Sentinel file used to track whether we've forced a reboot
+static const char *kMarkerFile = "/data/misc/check-lost+found-rebooted-2";
+
+// Output file in tombstones directory (first 8K will be uploaded)
+static const char *kOutputDir = "/data/tombstones";
+static const char *kOutputFile = "/data/tombstones/check-lost+found-log";
+
+// Partitions to check
+static const char *kPartitions[] = { "/system", "/data", "/cache", NULL };
+
+/*
+ * 1. If /data/misc/forced-reboot is missing, touch it & force "unclean" boot.
+ * 2. Write a log entry with the number of files in lost+found directories.
+ */
+
+int main(int argc, char **argv) {
+ mkdir(kOutputDir, 0755);
+ chown(kOutputDir, AID_SYSTEM, AID_SYSTEM);
+ FILE *out = fopen(kOutputFile, "a");
+ if (out == NULL) {
+ fprintf(stderr, "Can't write %s: %s\n", kOutputFile, strerror(errno));
+ return 1;
+ }
+
+ // Note: only the first 8K of log will be uploaded, so be terse.
+ time_t start = time(NULL);
+ fprintf(out, "*** check-lost+found ***\nStarted: %s", ctime(&start));
+
+ struct stat st;
+ if (stat(kMarkerFile, &st)) {
+ // No reboot marker -- need to force an unclean reboot.
+ // But first, try to create the marker file. If that fails,
+ // skip the reboot, so we don't get caught in an infinite loop.
+
+ int fd = open(kMarkerFile, O_WRONLY|O_CREAT, 0444);
+ if (fd >= 0 && close(fd) == 0) {
+ fprintf(out, "Wrote %s, rebooting\n", kMarkerFile);
+ fflush(out);
+ sync(); // Make sure the marker file is committed to disk
+
+ // If possible, dirty each of these partitions before rebooting,
+ // to make sure the filesystem has to do a scan on mount.
+ int i;
+ for (i = 0; kPartitions[i] != NULL; ++i) {
+ char fn[PATH_MAX];
+ snprintf(fn, sizeof(fn), "%s/%s", kPartitions[i], "dirty");
+ fd = open(fn, O_WRONLY|O_CREAT, 0444);
+ if (fd >= 0) { // Don't sweat it if we can't write the file.
+ write(fd, fn, sizeof(fn)); // write, you know, some data
+ close(fd);
+ unlink(fn);
+ }
+ }
+
+ reboot(RB_AUTOBOOT); // reboot immediately, with dirty filesystems
+ fprintf(out, "Reboot failed?!\n");
+ exit(1);
+ } else {
+ fprintf(out, "Can't write %s: %s\n", kMarkerFile, strerror(errno));
+ }
+ } else {
+ fprintf(out, "Found %s\n", kMarkerFile);
+ }
+
+ int i;
+ for (i = 0; kPartitions[i] != NULL; ++i) {
+ char fn[PATH_MAX];
+ snprintf(fn, sizeof(fn), "%s/%s", kPartitions[i], "lost+found");
+ DIR *dir = opendir(fn);
+ if (dir == NULL) {
+ fprintf(out, "Can't open %s: %s\n", fn, strerror(errno));
+ } else {
+ int count = 0;
+ struct dirent *ent;
+ while ((ent = readdir(dir))) {
+ if (strcmp(ent->d_name, ".") && strcmp(ent->d_name, ".."))
+ ++count;
+ }
+ closedir(dir);
+ if (count > 0) {
+ fprintf(out, "OMGZ FOUND %d FILES IN %s\n", count, fn);
+ } else {
+ fprintf(out, "%s is clean\n", fn);
+ }
+ }
+ }
+
+ char dmesg[131073];
+ int len = klogctl(KLOG_READ_ALL, dmesg, sizeof(dmesg) - 1);
+ if (len < 0) {
+ fprintf(out, "Can't read kernel log: %s\n", strerror(errno));
+ } else { // To conserve space, only write lines with certain keywords
+ fprintf(out, "--- Kernel log ---\n");
+ dmesg[len] = '\0';
+ char *saveptr, *line;
+ int in_yaffs = 0;
+ for (line = strtok_r(dmesg, "\n", &saveptr); line != NULL;
+ line = strtok_r(NULL, "\n", &saveptr)) {
+ if (strstr(line, "yaffs: dev is")) in_yaffs = 1;
+
+ if (in_yaffs ||
+ strstr(line, "yaffs") ||
+ strstr(line, "mtd") ||
+ strstr(line, "msm_nand")) {
+ fprintf(out, "%s\n", line);
+ }
+
+ if (strstr(line, "yaffs_read_super: isCheckpointed")) in_yaffs = 0;
+ }
+ }
+
+ return 0;
+}
diff --git a/tools/ota/make-update-script.c b/tools/ota/make-update-script.c
index 0fb7ed0c3..225dc526a 100644
--- a/tools/ota/make-update-script.c
+++ b/tools/ota/make-update-script.c
@@ -171,7 +171,7 @@ int main(int argc, char *argv[]) {
printf("assert compatible_with(\"0.2\") == \"true\"\n");
// if known, make sure the device name is correct
- const char *device = getenv("TARGET_PRODUCT");
+ const char *device = getenv("TARGET_DEVICE");
if (device != NULL) {
printf("assert getprop(\"ro.product.device\") == \"%s\" || "
"getprop(\"ro.build.product\") == \"%s\"\n", device, device);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 23:41:27 +0100