PawletOS/android_bootable_recovery
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IO fault injection for OTA packages

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Bug: 25951086
Change-Id: I31c74c735eb7a975b7f41fe2b2eff042e5699c0c
This commit is contained in:
Jed Estep
2015-12-15 16:04:53 -08:00
parent 085fc1361f
commit f1fc48c6e6
10 changed files with 348 additions and 45 deletions
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49
applypatch/applypatch.cpp
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@@ -32,6 +32,7 @@
#include "mtdutils/mtdutils.h"
#include "edify/expr.h"
#include "print_sha1.h"
#include "otafault/ota_io.h"
static int LoadPartitionContents(const char* filename, FileContents* file);
static ssize_t FileSink(const unsigned char* data, ssize_t len, void* token);
@@ -69,7 +70,7 @@ int LoadFileContents(const char* filename, FileContents* file) {
file->size = file->st.st_size;
file->data = reinterpret_cast<unsigned char*>(malloc(file->size));
FILE* f = fopen(filename, "rb");
FILE* f = ota_fopen(filename, "rb");
if (f == NULL) {
printf("failed to open \"%s\": %s\n", filename, strerror(errno));
free(file->data);
@@ -77,14 +78,14 @@ int LoadFileContents(const char* filename, FileContents* file) {
return -1;
}
size_t bytes_read = fread(file->data, 1, file->size, f);
size_t bytes_read = ota_fread(file->data, 1, file->size, f);
if (bytes_read != static_cast<size_t>(file->size)) {
printf("short read of \"%s\" (%zu bytes of %zd)\n", filename, bytes_read, file->size);
free(file->data);
file->data = NULL;
return -1;
}
fclose(f);
ota_fclose(f);
SHA_hash(file->data, file->size, file->sha1);
return 0;
@@ -173,7 +174,7 @@ static int LoadPartitionContents(const char* filename, FileContents* file) {
}
case EMMC:
dev = fopen(partition, "rb");
dev = ota_fopen(partition, "rb");
if (dev == NULL) {
printf("failed to open emmc partition \"%s\": %s\n", partition, strerror(errno));
return -1;
@@ -202,7 +203,7 @@ static int LoadPartitionContents(const char* filename, FileContents* file) {
break;
case EMMC:
read = fread(p, 1, next, dev);
read = ota_fread(p, 1, next, dev);
break;
}
if (next != read) {
@@ -247,7 +248,7 @@ static int LoadPartitionContents(const char* filename, FileContents* file) {
break;
case EMMC:
fclose(dev);
ota_fclose(dev);
break;
}
@@ -277,7 +278,7 @@ static int LoadPartitionContents(const char* filename, FileContents* file) {
// Save the contents of the given FileContents object under the given
// filename. Return 0 on success.
int SaveFileContents(const char* filename, const FileContents* file) {
int fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_SYNC, S_IRUSR | S_IWUSR);
int fd = ota_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_SYNC, S_IRUSR | S_IWUSR);
if (fd < 0) {
printf("failed to open \"%s\" for write: %s\n", filename, strerror(errno));
return -1;
@@ -287,14 +288,14 @@ int SaveFileContents(const char* filename, const FileContents* file) {
if (bytes_written != file->size) {
printf("short write of \"%s\" (%zd bytes of %zd) (%s)\n",
filename, bytes_written, file->size, strerror(errno));
close(fd);
ota_close(fd);
return -1;
}
if (fsync(fd) != 0) {
if (ota_fsync(fd) != 0) {
printf("fsync of \"%s\" failed: %s\n", filename, strerror(errno));
return -1;
}
if (close(fd) != 0) {
if (ota_close(fd) != 0) {
printf("close of \"%s\" failed: %s\n", filename, strerror(errno));
return -1;
}
@@ -377,7 +378,7 @@ int WriteToPartition(unsigned char* data, size_t len, const char* target) {
case EMMC: {
size_t start = 0;
bool success = false;
int fd = open(partition, O_RDWR | O_SYNC);
int fd = ota_open(partition, O_RDWR | O_SYNC);
if (fd < 0) {
printf("failed to open %s: %s\n", partition, strerror(errno));
return -1;
@@ -392,22 +393,22 @@ int WriteToPartition(unsigned char* data, size_t len, const char* target) {
size_t to_write = len - start;
if (to_write > 1<<20) to_write = 1<<20;
ssize_t written = TEMP_FAILURE_RETRY(write(fd, data+start, to_write));
ssize_t written = TEMP_FAILURE_RETRY(ota_write(fd, data+start, to_write));
if (written == -1) {
printf("failed write writing to %s: %s\n", partition, strerror(errno));
return -1;
}
start += written;
}
if (fsync(fd) != 0) {
if (ota_fsync(fd) != 0) {
printf("failed to sync to %s (%s)\n", partition, strerror(errno));
return -1;
}
if (close(fd) != 0) {
if (ota_close(fd) != 0) {
printf("failed to close %s (%s)\n", partition, strerror(errno));
return -1;
}
fd = open(partition, O_RDONLY);
fd = ota_open(partition, O_RDONLY);
if (fd < 0) {
printf("failed to reopen %s for verify (%s)\n", partition, strerror(errno));
return -1;
@@ -416,13 +417,13 @@ int WriteToPartition(unsigned char* data, size_t len, const char* target) {
// Drop caches so our subsequent verification read
// won't just be reading the cache.
sync();
int dc = open("/proc/sys/vm/drop_caches", O_WRONLY);
if (TEMP_FAILURE_RETRY(write(dc, "3\n", 2)) == -1) {
int dc = ota_open("/proc/sys/vm/drop_caches", O_WRONLY);
if (TEMP_FAILURE_RETRY(ota_write(dc, "3\n", 2)) == -1) {
printf("write to /proc/sys/vm/drop_caches failed: %s\n", strerror(errno));
} else {
printf(" caches dropped\n");
}
close(dc);
ota_close(dc);
sleep(1);
// verify
@@ -442,7 +443,7 @@ int WriteToPartition(unsigned char* data, size_t len, const char* target) {
size_t so_far = 0;
while (so_far < to_read) {
ssize_t read_count =
TEMP_FAILURE_RETRY(read(fd, buffer+so_far, to_read-so_far));
TEMP_FAILURE_RETRY(ota_read(fd, buffer+so_far, to_read-so_far));
if (read_count == -1) {
printf("verify read error %s at %zu: %s\n",
partition, p, strerror(errno));
@@ -474,7 +475,7 @@ int WriteToPartition(unsigned char* data, size_t len, const char* target) {
return -1;
}
if (close(fd) != 0) {
if (ota_close(fd) != 0) {
printf("error closing %s (%s)\n", partition, strerror(errno));
return -1;
}
@@ -584,7 +585,7 @@ ssize_t FileSink(const unsigned char* data, ssize_t len, void* token) {
ssize_t done = 0;
ssize_t wrote;
while (done < len) {
wrote = TEMP_FAILURE_RETRY(write(fd, data+done, len-done));
wrote = TEMP_FAILURE_RETRY(ota_write(fd, data+done, len-done));
if (wrote == -1) {
printf("error writing %zd bytes: %s\n", (len-done), strerror(errno));
return done;
@@ -944,7 +945,7 @@ static int GenerateTarget(FileContents* source_file,
strcpy(outname, target_filename);
strcat(outname, ".patch");
output = open(outname, O_WRONLY | O_CREAT | O_TRUNC | O_SYNC, S_IRUSR | S_IWUSR);
output = ota_open(outname, O_WRONLY | O_CREAT | O_TRUNC | O_SYNC, S_IRUSR | S_IWUSR);
if (output < 0) {
printf("failed to open output file %s: %s\n",
outname, strerror(errno));
@@ -975,11 +976,11 @@ static int GenerateTarget(FileContents* source_file,
}
if (output >= 0) {
if (fsync(output) != 0) {
if (ota_fsync(output) != 0) {
printf("failed to fsync file \"%s\" (%s)\n", outname, strerror(errno));
result = 1;
}
if (close(output) != 0) {
if (ota_close(output) != 0) {
printf("failed to close file \"%s\" (%s)\n", outname, strerror(errno));
result = 1;
}