diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/Android.mk | 1 | ||||
| -rw-r--r-- | tools/ota/Android.mk | 22 | ||||
| -rw-r--r-- | tools/ota/add-property-tag.c | 141 | ||||
| -rw-r--r-- | tools/ota/check-lost+found.c | 144 | ||||
| -rw-r--r-- | tools/ota/make-update-script.c | 2 |
5 files changed, 309 insertions, 1 deletions
diff --git a/tools/Android.mk b/tools/Android.mk new file mode 100644 index 000000000..65711611c --- /dev/null +++ b/tools/Android.mk @@ -0,0 +1 @@ +include $(all-subdir-makefiles) 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); |