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-rw-r--r--edify/expr.cpp123
-rw-r--r--edify/expr.h25
-rw-r--r--updater/blockimg.cpp54
-rw-r--r--updater/install.cpp854
4 files changed, 424 insertions, 632 deletions
diff --git a/edify/expr.cpp b/edify/expr.cpp
index ec2409752..329cf3acd 100644
--- a/edify/expr.cpp
+++ b/edify/expr.cpp
@@ -254,31 +254,25 @@ Value* LessThanIntFn(const char* name, State* state, int argc, Expr* argv[]) {
return nullptr;
}
- char* left;
- char* right;
- if (ReadArgs(state, argv, 2, &left, &right) < 0) return nullptr;
-
- bool result = false;
- char* end;
+ std::vector<std::string> args;
+ if (!ReadArgs(state, 2, argv, &args)) {
+ return nullptr;
+ }
// Parse up to at least long long or 64-bit integers.
- int64_t l_int = static_cast<int64_t>(strtoll(left, &end, 10));
- if (left[0] == '\0' || *end != '\0') {
- goto done;
+ int64_t l_int;
+ if (!android::base::ParseInt(args[0].c_str(), &l_int)) {
+ state->errmsg = "failed to parse int in " + args[0];
+ return nullptr;
}
int64_t r_int;
- r_int = static_cast<int64_t>(strtoll(right, &end, 10));
- if (right[0] == '\0' || *end != '\0') {
- goto done;
+ if (!android::base::ParseInt(args[1].c_str(), &r_int)) {
+ state->errmsg = "failed to parse int in " + args[1];
+ return nullptr;
}
- result = l_int < r_int;
-
- done:
- free(left);
- free(right);
- return StringValue(result ? "t" : "");
+ return StringValue(l_int < r_int ? "t" : "");
}
Value* GreaterThanIntFn(const char* name, State* state,
@@ -372,99 +366,6 @@ bool ReadValueArgs(State* state, int argc, Expr* argv[],
return true;
}
-// Evaluate the expressions in argv, giving 'count' char* (the ... is
-// zero or more char** to put them in). If any expression evaluates
-// to NULL, free the rest and return -1. Return 0 on success.
-int ReadArgs(State* state, Expr* argv[], int count, ...) {
- char** args = reinterpret_cast<char**>(malloc(count * sizeof(char*)));
- va_list v;
- va_start(v, count);
- int i;
- for (i = 0; i < count; ++i) {
- std::string str;
- if (!Evaluate(state, argv[i], &str) ||
- (args[i] = strdup(str.c_str())) == nullptr) {
- va_end(v);
- int j;
- for (j = 0; j < i; ++j) {
- free(args[j]);
- }
- free(args);
- return -1;
- }
- *(va_arg(v, char**)) = args[i];
- }
- va_end(v);
- free(args);
- return 0;
-}
-
-// Evaluate the expressions in argv, giving 'count' Value* (the ... is
-// zero or more Value** to put them in). If any expression evaluates
-// to NULL, free the rest and return -1. Return 0 on success.
-int ReadValueArgs(State* state, Expr* argv[], int count, ...) {
- Value** args = new Value*[count];
- va_list v;
- va_start(v, count);
- for (int i = 0; i < count; ++i) {
- args[i] = EvaluateValue(state, argv[i]);
- if (args[i] == NULL) {
- va_end(v);
- int j;
- for (j = 0; j < i; ++j) {
- delete args[j];
- }
- delete[] args;
- return -1;
- }
- *(va_arg(v, Value**)) = args[i];
- }
- va_end(v);
- delete[] args;
- return 0;
-}
-
-// Evaluate the expressions in argv, returning an array of char*
-// results. If any evaluate to NULL, free the rest and return NULL.
-// The caller is responsible for freeing the returned array and the
-// strings it contains.
-char** ReadVarArgs(State* state, int argc, Expr* argv[]) {
- char** args = (char**)malloc(argc * sizeof(char*));
- for (int i = 0; i < argc; ++i) {
- std::string str;
- if (!Evaluate(state, argv[i], &str) ||
- (args[i] = strdup(str.c_str())) == nullptr) {
- for (int j = 0; j < i; ++j) {
- free(args[j]);
- }
- free(args);
- return NULL;
- }
- }
- return args;
-}
-
-// Evaluate the expressions in argv, returning an array of Value*
-// results. If any evaluate to NULL, free the rest and return NULL.
-// The caller is responsible for freeing the returned array and the
-// Values it contains.
-Value** ReadValueVarArgs(State* state, int argc, Expr* argv[]) {
- Value** args = new Value*[argc];
- int i = 0;
- for (i = 0; i < argc; ++i) {
- args[i] = EvaluateValue(state, argv[i]);
- if (args[i] == NULL) {
- int j;
- for (j = 0; j < i; ++j) {
- delete args[j];
- }
- delete[] args;
- return NULL;
- }
- }
- return args;
-}
-
// Use printf-style arguments to compose an error message to put into
// *state. Returns nullptr.
Value* ErrorAbort(State* state, const char* format, ...) {
diff --git a/edify/expr.h b/edify/expr.h
index 85306542d..911adbc82 100644
--- a/edify/expr.h
+++ b/edify/expr.h
@@ -128,30 +128,7 @@ bool ReadArgs(State* state, int argc, Expr* argv[], std::vector<std::string>* ar
// Evaluate the expressions in argv, and put the results of Value* in
// args. If any expression evaluate to nullptr, free the rest and return
// false. Return true on success.
-bool ReadValueArgs(State* state, int argc, Expr* argv[],
- std::vector<std::unique_ptr<Value>>* args);
-
-// Evaluate the expressions in argv, giving 'count' char* (the ... is
-// zero or more char** to put them in). If any expression evaluates
-// to NULL, free the rest and return -1. Return 0 on success.
-int ReadArgs(State* state, Expr* argv[], int count, ...);
-
-// Evaluate the expressions in argv, giving 'count' Value* (the ... is
-// zero or more Value** to put them in). If any expression evaluates
-// to NULL, free the rest and return -1. Return 0 on success.
-int ReadValueArgs(State* state, Expr* argv[], int count, ...);
-
-// Evaluate the expressions in argv, returning an array of char*
-// results. If any evaluate to NULL, free the rest and return NULL.
-// The caller is responsible for freeing the returned array and the
-// strings it contains.
-char** ReadVarArgs(State* state, int argc, Expr* argv[]);
-
-// Evaluate the expressions in argv, returning an array of Value*
-// results. If any evaluate to NULL, free the rest and return NULL.
-// The caller is responsible for freeing the returned array and the
-// Values it contains.
-Value** ReadValueVarArgs(State* state, int argc, Expr* argv[]);
+bool ReadValueArgs(State* state, int argc, Expr* argv[], std::vector<std::unique_ptr<Value>>* args);
// Use printf-style arguments to compose an error message to put into
// *state. Returns NULL.
diff --git a/updater/blockimg.cpp b/updater/blockimg.cpp
index f08ca5b0c..c939cf89d 100644
--- a/updater/blockimg.cpp
+++ b/updater/blockimg.cpp
@@ -1368,18 +1368,15 @@ static Value* PerformBlockImageUpdate(const char* name, State* state, int /* arg
fprintf(stderr, "This update is a retry.\n");
}
- Value* blockdev_filename = nullptr;
- Value* transfer_list_value = nullptr;
- Value* new_data_fn = nullptr;
- Value* patch_data_fn = nullptr;
- if (ReadValueArgs(state, argv, 4, &blockdev_filename, &transfer_list_value,
- &new_data_fn, &patch_data_fn) < 0) {
- return StringValue("");
+ std::vector<std::unique_ptr<Value>> args;
+ if (!ReadValueArgs(state, 4, argv, &args)) {
+ return nullptr;
}
- std::unique_ptr<Value> blockdev_filename_holder(blockdev_filename);
- std::unique_ptr<Value> transfer_list_value_holder(transfer_list_value);
- std::unique_ptr<Value> new_data_fn_holder(new_data_fn);
- std::unique_ptr<Value> patch_data_fn_holder(patch_data_fn);
+
+ const Value* blockdev_filename = args[0].get();
+ const Value* transfer_list_value = args[1].get();
+ const Value* new_data_fn = args[2].get();
+ const Value* patch_data_fn = args[3].get();
if (blockdev_filename->type != VAL_STRING) {
ErrorAbort(state, kArgsParsingFailure, "blockdev_filename argument to %s must be string",
@@ -1689,14 +1686,13 @@ Value* BlockImageUpdateFn(const char* name, State* state, int argc, Expr* argv[]
}
Value* RangeSha1Fn(const char* name, State* state, int /* argc */, Expr* argv[]) {
- Value* blockdev_filename;
- Value* ranges;
-
- if (ReadValueArgs(state, argv, 2, &blockdev_filename, &ranges) < 0) {
- return StringValue("");
+ std::vector<std::unique_ptr<Value>> args;
+ if (!ReadValueArgs(state, 2, argv, &args)) {
+ return nullptr;
}
- std::unique_ptr<Value> ranges_holder(ranges);
- std::unique_ptr<Value> blockdev_filename_holder(blockdev_filename);
+
+ const Value* blockdev_filename = args[0].get();
+ const Value* ranges = args[1].get();
if (blockdev_filename->type != VAL_STRING) {
ErrorAbort(state, kArgsParsingFailure, "blockdev_filename argument to %s must be string",
@@ -1751,14 +1747,14 @@ Value* RangeSha1Fn(const char* name, State* state, int /* argc */, Expr* argv[])
// if executes successfully and an empty string otherwise.
Value* CheckFirstBlockFn(const char* name, State* state, int argc, Expr* argv[]) {
- Value* arg_filename;
-
- if (ReadValueArgs(state, argv, 1, &arg_filename) < 0) {
+ std::vector<std::unique_ptr<Value>> args;
+ if (!ReadValueArgs(state, 1, argv, &args)) {
return nullptr;
}
- std::unique_ptr<Value> filename(arg_filename);
- if (filename->type != VAL_STRING) {
+ const Value* arg_filename = args[0].get();
+
+ if (arg_filename->type != VAL_STRING) {
ErrorAbort(state, kArgsParsingFailure, "filename argument to %s must be string", name);
return StringValue("");
}
@@ -1799,15 +1795,13 @@ Value* CheckFirstBlockFn(const char* name, State* state, int argc, Expr* argv[])
Value* BlockImageRecoverFn(const char* name, State* state, int argc, Expr* argv[]) {
- Value* arg_filename;
- Value* arg_ranges;
-
- if (ReadValueArgs(state, argv, 2, &arg_filename, &arg_ranges) < 0) {
- return NULL;
+ std::vector<std::unique_ptr<Value>> args;
+ if (!ReadValueArgs(state, 2, argv, &args)) {
+ return nullptr;
}
- std::unique_ptr<Value> filename(arg_filename);
- std::unique_ptr<Value> ranges(arg_ranges);
+ const Value* filename = args[0].get();
+ const Value* ranges = args[1].get();
if (filename->type != VAL_STRING) {
ErrorAbort(state, kArgsParsingFailure, "filename argument to %s must be string", name);
diff --git a/updater/install.cpp b/updater/install.cpp
index 5f3f675b1..efc96c454 100644
--- a/updater/install.cpp
+++ b/updater/install.cpp
@@ -40,6 +40,7 @@
#include <vector>
#include <android-base/parseint.h>
+#include <android-base/parsedouble.h>
#include <android-base/properties.h>
#include <android-base/strings.h>
#include <android-base/stringprintf.h>
@@ -119,58 +120,50 @@ static int make_parents(char* name) {
//
// fs_type="ext4" partition_type="EMMC" location=device
Value* MountFn(const char* name, State* state, int argc, Expr* argv[]) {
- char* result = nullptr;
if (argc != 4 && argc != 5) {
return ErrorAbort(state, kArgsParsingFailure, "%s() expects 4-5 args, got %d", name, argc);
}
- char* fs_type;
- char* partition_type;
- char* location;
- char* mount_point;
- char* mount_options;
- bool has_mount_options;
+
+ std::vector<std::string> args;
+ if (!ReadArgs(state, argc, argv, &args)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
+ }
+ const std::string& fs_type = args[0];
+ const std::string& partition_type = args[1];
+ const std::string& location = args[2];
+ const std::string& mount_point = args[3];
+ std::string mount_options;
+
if (argc == 5) {
- has_mount_options = true;
- if (ReadArgs(state, argv, 5, &fs_type, &partition_type,
- &location, &mount_point, &mount_options) < 0) {
- return NULL;
- }
- } else {
- has_mount_options = false;
- if (ReadArgs(state, argv, 4, &fs_type, &partition_type,
- &location, &mount_point) < 0) {
- return NULL;
- }
+ mount_options = args[4];
}
- if (strlen(fs_type) == 0) {
- ErrorAbort(state, kArgsParsingFailure, "fs_type argument to %s() can't be empty", name);
- goto done;
+ if (fs_type.empty()) {
+ return ErrorAbort(state, kArgsParsingFailure, "fs_type argument to %s() can't be empty",
+ name);
}
- if (strlen(partition_type) == 0) {
- ErrorAbort(state, kArgsParsingFailure, "partition_type argument to %s() can't be empty",
- name);
- goto done;
+ if (partition_type.empty()) {
+ return ErrorAbort(state, kArgsParsingFailure, "partition_type argument to %s() can't be empty",
+ name);
}
- if (strlen(location) == 0) {
- ErrorAbort(state, kArgsParsingFailure, "location argument to %s() can't be empty", name);
- goto done;
+ if (location.empty()) {
+ return ErrorAbort(state, kArgsParsingFailure, "location argument to %s() can't be empty",
+ name);
}
- if (strlen(mount_point) == 0) {
- ErrorAbort(state, kArgsParsingFailure, "mount_point argument to %s() can't be empty",
- name);
- goto done;
+ if (mount_point.empty()) {
+ return ErrorAbort(state, kArgsParsingFailure, "mount_point argument to %s() can't be empty",
+ name);
}
{
char *secontext = NULL;
if (sehandle) {
- selabel_lookup(sehandle, &secontext, mount_point, 0755);
+ selabel_lookup(sehandle, &secontext, mount_point.c_str(), 0755);
setfscreatecon(secontext);
}
- mkdir(mount_point, 0755);
+ mkdir(mount_point.c_str(), 0755);
if (secontext) {
freecon(secontext);
@@ -178,90 +171,71 @@ Value* MountFn(const char* name, State* state, int argc, Expr* argv[]) {
}
}
- if (mount(location, mount_point, fs_type,
- MS_NOATIME | MS_NODEV | MS_NODIRATIME,
- has_mount_options ? mount_options : "") < 0) {
+ if (mount(location.c_str(), mount_point.c_str(), fs_type.c_str(),
+ MS_NOATIME | MS_NODEV | MS_NODIRATIME, mount_options.c_str()) < 0) {
uiPrintf(state, "%s: failed to mount %s at %s: %s\n",
- name, location, mount_point, strerror(errno));
- result = strdup("");
- } else {
- result = mount_point;
+ name, location.c_str(), mount_point.c_str(), strerror(errno));
+ return StringValue("");
}
-done:
- free(fs_type);
- free(partition_type);
- free(location);
- if (result != mount_point) free(mount_point);
- if (has_mount_options) free(mount_options);
- return StringValue(result);
+ return StringValue(mount_point);
}
// is_mounted(mount_point)
Value* IsMountedFn(const char* name, State* state, int argc, Expr* argv[]) {
- char* result = nullptr;
if (argc != 1) {
return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc);
}
- char* mount_point;
- if (ReadArgs(state, argv, 1, &mount_point) < 0) {
- return NULL;
+
+ std::vector<std::string> args;
+ if (!ReadArgs(state, argc, argv, &args)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
}
- if (strlen(mount_point) == 0) {
- ErrorAbort(state, kArgsParsingFailure, "mount_point argument to unmount() can't be empty");
- goto done;
+ const std::string& mount_point = args[0];
+ if (mount_point.empty()) {
+ return ErrorAbort(state, kArgsParsingFailure,
+ "mount_point argument to unmount() can't be empty");
}
scan_mounted_volumes();
- {
- MountedVolume* vol = find_mounted_volume_by_mount_point(mount_point);
- if (vol == NULL) {
- result = strdup("");
- } else {
- result = mount_point;
- }
+ MountedVolume* vol = find_mounted_volume_by_mount_point(mount_point.c_str());
+ if (vol == nullptr) {
+ return StringValue("");
}
-done:
- if (result != mount_point) free(mount_point);
- return StringValue(result);
+ return StringValue(mount_point);
}
Value* UnmountFn(const char* name, State* state, int argc, Expr* argv[]) {
- char* result = nullptr;
if (argc != 1) {
return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc);
}
- char* mount_point;
- if (ReadArgs(state, argv, 1, &mount_point) < 0) {
- return NULL;
+ std::vector<std::string> args;
+ if (!ReadArgs(state, argc, argv, &args)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
}
- if (strlen(mount_point) == 0) {
- ErrorAbort(state, kArgsParsingFailure, "mount_point argument to unmount() can't be empty");
- goto done;
+ const std::string& mount_point = args[0];
+ if (mount_point.empty()) {
+ return ErrorAbort(state, kArgsParsingFailure,
+ "mount_point argument to unmount() can't be empty");
}
scan_mounted_volumes();
- {
- MountedVolume* vol = find_mounted_volume_by_mount_point(mount_point);
- if (vol == NULL) {
- uiPrintf(state, "unmount of %s failed; no such volume\n", mount_point);
- result = strdup("");
- } else {
- int ret = unmount_mounted_volume(vol);
- if (ret != 0) {
- uiPrintf(state, "unmount of %s failed (%d): %s\n",
- mount_point, ret, strerror(errno));
- }
- result = mount_point;
+ MountedVolume* vol = find_mounted_volume_by_mount_point(mount_point.c_str());
+ if (vol == nullptr) {
+ uiPrintf(state, "unmount of %s failed; no such volume\n", mount_point.c_str());
+ return nullptr;
+ } else {
+ int ret = unmount_mounted_volume(vol);
+ if (ret != 0) {
+ uiPrintf(state, "unmount of %s failed (%d): %s\n",
+ mount_point.c_str(), ret, strerror(errno));
}
}
-done:
- if (result != mount_point) free(mount_point);
- return StringValue(result);
+ return StringValue(mount_point);
}
static int exec_cmd(const char* path, char* const argv[]) {
@@ -287,116 +261,108 @@ static int exec_cmd(const char* path, char* const argv[]) {
// if fs_size > 0, that is the size to use
// if fs_size < 0, then reserve that many bytes at the end of the partition (not for "f2fs")
Value* FormatFn(const char* name, State* state, int argc, Expr* argv[]) {
- char* result = nullptr;
if (argc != 5) {
return ErrorAbort(state, kArgsParsingFailure, "%s() expects 5 args, got %d", name, argc);
}
- char* fs_type;
- char* partition_type;
- char* location;
- char* fs_size;
- char* mount_point;
- if (ReadArgs(state, argv, 5, &fs_type, &partition_type, &location, &fs_size, &mount_point) < 0) {
- return NULL;
+ std::vector<std::string> args;
+ if (!ReadArgs(state, argc, argv, &args)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
}
+ const std::string& fs_type = args[0];
+ const std::string& partition_type = args[1];
+ const std::string& location = args[2];
+ const std::string& fs_size = args[3];
+ const std::string& mount_point = args[4];
- if (strlen(fs_type) == 0) {
- ErrorAbort(state, kArgsParsingFailure, "fs_type argument to %s() can't be empty", name);
- goto done;
+ if (fs_type.empty()) {
+ return ErrorAbort(state, kArgsParsingFailure, "fs_type argument to %s() can't be empty",
+ name);
+ }
+ if (partition_type.empty()) {
+ return ErrorAbort(state, kArgsParsingFailure,
+ "partition_type argument to %s() can't be empty", name);
}
- if (strlen(partition_type) == 0) {
- ErrorAbort(state, kArgsParsingFailure, "partition_type argument to %s() can't be empty",
- name);
- goto done;
+ if (location.empty()) {
+ return ErrorAbort(state, kArgsParsingFailure, "location argument to %s() can't be empty",
+ name);
}
- if (strlen(location) == 0) {
- ErrorAbort(state, kArgsParsingFailure, "location argument to %s() can't be empty", name);
- goto done;
+ if (mount_point.empty()) {
+ return ErrorAbort(state, kArgsParsingFailure,
+ "mount_point argument to %s() can't be empty", name);
}
- if (strlen(mount_point) == 0) {
- ErrorAbort(state, kArgsParsingFailure, "mount_point argument to %s() can't be empty",
- name);
- goto done;
+ int64_t size;
+ if (!android::base::ParseInt(fs_size.c_str(), &size)) {
+ return ErrorAbort(state, kArgsParsingFailure,
+ "%s: failed to parse int in %s\n", name, fs_size.c_str());
}
- if (strcmp(fs_type, "ext4") == 0) {
- int status = make_ext4fs(location, atoll(fs_size), mount_point, sehandle);
+ if (fs_type == "ext4") {
+ int status = make_ext4fs(location.c_str(), size, mount_point.c_str(), sehandle);
if (status != 0) {
printf("%s: make_ext4fs failed (%d) on %s",
- name, status, location);
- result = strdup("");
- goto done;
+ name, status, location.c_str());
+ return StringValue("");
}
- result = location;
- } else if (strcmp(fs_type, "f2fs") == 0) {
- char *num_sectors;
- if (asprintf(&num_sectors, "%lld", atoll(fs_size) / 512) <= 0) {
- printf("format_volume: failed to create %s command for %s\n", fs_type, location);
- result = strdup("");
- goto done;
+ return StringValue(location);
+ } else if (fs_type == "f2fs") {
+ if (size < 0) {
+ printf("fs_size can't be negative for f2fs: %s", fs_size.c_str());
+ return StringValue("");
}
+ std::string num_sectors = std::to_string(size / 512);
+
const char *f2fs_path = "/sbin/mkfs.f2fs";
- const char* const f2fs_argv[] = {"mkfs.f2fs", "-t", "-d1", location, num_sectors, NULL};
+ const char* const f2fs_argv[] = {"mkfs.f2fs", "-t", "-d1", location.c_str(),
+ num_sectors.c_str(), nullptr};
int status = exec_cmd(f2fs_path, (char* const*)f2fs_argv);
- free(num_sectors);
if (status != 0) {
printf("%s: mkfs.f2fs failed (%d) on %s",
- name, status, location);
- result = strdup("");
- goto done;
+ name, status, location.c_str());
+ return StringValue("");
}
- result = location;
+ return StringValue(location);
} else {
printf("%s: unsupported fs_type \"%s\" partition_type \"%s\"",
- name, fs_type, partition_type);
+ name, fs_type.c_str(), partition_type.c_str());
}
-done:
- free(fs_type);
- free(partition_type);
- if (result != location) free(location);
- return StringValue(result);
+ return nullptr;
}
Value* RenameFn(const char* name, State* state, int argc, Expr* argv[]) {
- char* result = nullptr;
if (argc != 2) {
return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc);
}
- char* src_name;
- char* dst_name;
-
- if (ReadArgs(state, argv, 2, &src_name, &dst_name) < 0) {
- return NULL;
+ std::vector<std::string> args;
+ if (!ReadArgs(state, argc, argv, &args)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
}
- if (strlen(src_name) == 0) {
- ErrorAbort(state, kArgsParsingFailure, "src_name argument to %s() can't be empty", name);
- goto done;
+ const std::string& src_name = args[0];
+ std::string& dst_name = args[1];
+
+ if (src_name.empty()) {
+ return ErrorAbort(state, kArgsParsingFailure, "src_name argument to %s() can't be empty",
+ name);
}
- if (strlen(dst_name) == 0) {
- ErrorAbort(state, kArgsParsingFailure, "dst_name argument to %s() can't be empty", name);
- goto done;
+ if (dst_name.empty()) {
+ return ErrorAbort(state, kArgsParsingFailure, "dst_name argument to %s() can't be empty",
+ name);
}
- if (make_parents(dst_name) != 0) {
- ErrorAbort(state, kFileRenameFailure, "Creating parent of %s failed, error %s",
- dst_name, strerror(errno));
- } else if (access(dst_name, F_OK) == 0 && access(src_name, F_OK) != 0) {
+ if (make_parents(&dst_name[0]) != 0) {
+ return ErrorAbort(state, kFileRenameFailure, "Creating parent of %s failed, error %s",
+ dst_name.c_str(), strerror(errno));
+ } else if (access(dst_name.c_str(), F_OK) == 0 && access(src_name.c_str(), F_OK) != 0) {
// File was already moved
- result = dst_name;
- } else if (rename(src_name, dst_name) != 0) {
- ErrorAbort(state, kFileRenameFailure, "Rename of %s to %s failed, error %s",
- src_name, dst_name, strerror(errno));
- } else {
- result = dst_name;
+ return StringValue(dst_name);
+ } else if (rename(src_name.c_str(), dst_name.c_str()) != 0) {
+ return ErrorAbort(state, kFileRenameFailure, "Rename of %s to %s failed, error %s",
+ src_name.c_str(), dst_name.c_str(), strerror(errno));
}
-done:
- free(src_name);
- if (result != dst_name) free(dst_name);
- return StringValue(result);
+ return StringValue(dst_name);
}
Value* DeleteFn(const char* name, State* state, int argc, Expr* argv[]) {
@@ -424,20 +390,28 @@ Value* ShowProgressFn(const char* name, State* state, int argc, Expr* argv[]) {
if (argc != 2) {
return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc);
}
- char* frac_str;
- char* sec_str;
- if (ReadArgs(state, argv, 2, &frac_str, &sec_str) < 0) {
- return NULL;
+
+ std::vector<std::string> args;
+ if (!ReadArgs(state, argc, argv, &args)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
}
+ const std::string& frac_str = args[0];
+ const std::string& sec_str = args[1];
- double frac = strtod(frac_str, NULL);
+ double frac;
+ if (!android::base::ParseDouble(frac_str.c_str(), &frac)) {
+ return ErrorAbort(state, kArgsParsingFailure,
+ "%s: failed to parse double in %s\n", name, frac_str.c_str());
+ }
int sec;
- android::base::ParseInt(sec_str, &sec);
+ if (!android::base::ParseInt(sec_str.c_str(), &sec)) {
+ return ErrorAbort(state, kArgsParsingFailure,
+ "%s: failed to parse int in %s\n", name, sec_str.c_str());
+ }
UpdaterInfo* ui = (UpdaterInfo*)(state->cookie);
fprintf(ui->cmd_pipe, "progress %f %d\n", frac, sec);
- free(sec_str);
return StringValue(frac_str);
}
@@ -445,12 +419,18 @@ Value* SetProgressFn(const char* name, State* state, int argc, Expr* argv[]) {
if (argc != 1) {
return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc);
}
- char* frac_str;
- if (ReadArgs(state, argv, 1, &frac_str) < 0) {
- return NULL;
+
+ std::vector<std::string> args;
+ if (!ReadArgs(state, 1, argv, &args)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
}
+ const std::string& frac_str = args[0];
- double frac = strtod(frac_str, NULL);
+ double frac;
+ if (!android::base::ParseDouble(frac_str.c_str(), &frac)) {
+ return ErrorAbort(state, kArgsParsingFailure,
+ "%s: failed to parse double in %s\n", name, frac_str.c_str());
+ }
UpdaterInfo* ui = (UpdaterInfo*)(state->cookie);
fprintf(ui->cmd_pipe, "set_progress %f\n", frac);
@@ -464,9 +444,13 @@ Value* PackageExtractDirFn(const char* name, State* state,
if (argc != 2) {
return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc);
}
- char* zip_path;
- char* dest_path;
- if (ReadArgs(state, argv, 2, &zip_path, &dest_path) < 0) return NULL;
+
+ std::vector<std::string> args;
+ if (!ReadArgs(state, 2, argv, &args)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
+ }
+ const std::string& zip_path = args[0];
+ const std::string& dest_path = args[1];
ZipArchiveHandle za = ((UpdaterInfo*)(state->cookie))->package_zip;
@@ -475,8 +459,6 @@ Value* PackageExtractDirFn(const char* name, State* state,
bool success = ExtractPackageRecursive(za, zip_path, dest_path, &timestamp, sehandle);
- free(zip_path);
- free(dest_path);
return StringValue(success ? "t" : "");
}
@@ -499,54 +481,57 @@ Value* PackageExtractFileFn(const char* name, State* state,
ZipArchiveHandle za = ((UpdaterInfo*)(state->cookie))->package_zip;
- char* zip_path;
- char* dest_path;
- if (ReadArgs(state, argv, 2, &zip_path, &dest_path) < 0) return NULL;
+ std::vector<std::string> args;
+ if (!ReadArgs(state, 2, argv, &args)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse %d args", name,
+ argc);
+ }
+ const std::string& zip_path = args[0];
+ const std::string& dest_path = args[1];
- ZipString zip_string_path(zip_path);
+ ZipString zip_string_path(zip_path.c_str());
ZipEntry entry;
if (FindEntry(za, zip_string_path, &entry) != 0) {
- printf("%s: no %s in package\n", name, zip_path);
- goto done2;
+ printf("%s: no %s in package\n", name, zip_path.c_str());
+ return StringValue("");
}
- {
- int fd = TEMP_FAILURE_RETRY(ota_open(dest_path, O_WRONLY | O_CREAT | O_TRUNC,
- S_IRUSR | S_IWUSR));
- if (fd == -1) {
- printf("%s: can't open %s for write: %s\n", name, dest_path, strerror(errno));
- goto done2;
- }
- success = ExtractEntryToFile(za, &entry, fd);
- if (ota_fsync(fd) == -1) {
- printf("fsync of \"%s\" failed: %s\n", dest_path, strerror(errno));
- success = false;
- }
- if (ota_close(fd) == -1) {
- printf("close of \"%s\" failed: %s\n", dest_path, strerror(errno));
- success = false;
- }
+ int fd = TEMP_FAILURE_RETRY(ota_open(dest_path.c_str(), O_WRONLY | O_CREAT | O_TRUNC,
+ S_IRUSR | S_IWUSR));
+ if (fd == -1) {
+ printf("%s: can't open %s for write: %s\n", name, dest_path.c_str(), strerror(errno));
+ return StringValue("");
+ }
+ success = ExtractEntryToFile(za, &entry, fd);
+ if (ota_fsync(fd) == -1) {
+ printf("fsync of \"%s\" failed: %s\n", dest_path.c_str(), strerror(errno));
+ success = false;
+ }
+ if (ota_close(fd) == -1) {
+ printf("close of \"%s\" failed: %s\n", dest_path.c_str(), strerror(errno));
+ success = false;
}
- done2:
- free(zip_path);
- free(dest_path);
return StringValue(success ? "t" : "");
} else {
// The one-argument version returns the contents of the file
// as the result.
- char* zip_path;
- if (ReadArgs(state, argv, 1, &zip_path) < 0) return NULL;
+ std::vector<std::string> args;
+ if (!ReadArgs(state, 1, argv, &args)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse %d args", name,
+ argc);
+ }
+ const std::string& zip_path = args[0];
Value* v = new Value(VAL_INVALID, "");
ZipArchiveHandle za = ((UpdaterInfo*)(state->cookie))->package_zip;
- ZipString zip_string_path(zip_path);
+ ZipString zip_string_path(zip_path.c_str());
ZipEntry entry;
if (FindEntry(za, zip_string_path, &entry) != 0) {
- printf("%s: no %s in package\n", name, zip_path);
- goto done1;
+ printf("%s: no %s in package\n", name, zip_path.c_str());
+ return v;
}
v->data.resize(entry.uncompressed_length);
@@ -557,8 +542,6 @@ Value* PackageExtractFileFn(const char* name, State* state,
success = true;
}
- done1:
- free(zip_path);
if (!success) {
v->data.clear();
} else {
@@ -579,34 +562,31 @@ Value* SymlinkFn(const char* name, State* state, int argc, Expr* argv[]) {
return nullptr;
}
- char** srcs = ReadVarArgs(state, argc-1, argv+1);
- if (srcs == NULL) {
- return NULL;
+ std::vector<std::string> srcs;
+ if (!ReadArgs(state, argc-1, argv+1, &srcs)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
}
int bad = 0;
- int i;
- for (i = 0; i < argc-1; ++i) {
- if (unlink(srcs[i]) < 0) {
+ for (int i = 0; i < argc-1; ++i) {
+ if (unlink(srcs[i].c_str()) < 0) {
if (errno != ENOENT) {
printf("%s: failed to remove %s: %s\n",
- name, srcs[i], strerror(errno));
+ name, srcs[i].c_str(), strerror(errno));
++bad;
}
}
- if (make_parents(srcs[i])) {
+ if (make_parents(&srcs[i][0])) {
printf("%s: failed to symlink %s to %s: making parents failed\n",
- name, srcs[i], target.c_str());
+ name, srcs[i].c_str(), target.c_str());
++bad;
}
- if (symlink(target.c_str(), srcs[i]) < 0) {
+ if (symlink(target.c_str(), srcs[i].c_str()) < 0) {
printf("%s: failed to symlink %s to %s: %s\n",
- name, srcs[i], target.c_str(), strerror(errno));
+ name, srcs[i].c_str(), target.c_str(), strerror(errno));
++bad;
}
- free(srcs[i]);
}
- free(srcs);
if (bad) {
return ErrorAbort(state, kSymlinkFailure, "%s: some symlinks failed", name);
}
@@ -625,12 +605,13 @@ struct perm_parsed_args {
bool has_dmode;
mode_t dmode;
bool has_selabel;
- char* selabel;
+ const char* selabel;
bool has_capabilities;
uint64_t capabilities;
};
-static struct perm_parsed_args ParsePermArgs(State * state, int argc, char** args) {
+static struct perm_parsed_args ParsePermArgs(State * state, int argc,
+ const std::vector<std::string>& args) {
int i;
struct perm_parsed_args parsed;
int bad = 0;
@@ -639,84 +620,84 @@ static struct perm_parsed_args ParsePermArgs(State * state, int argc, char** arg
memset(&parsed, 0, sizeof(parsed));
for (i = 1; i < argc; i += 2) {
- if (strcmp("uid", args[i]) == 0) {
+ if (args[i] == "uid") {
int64_t uid;
- if (sscanf(args[i+1], "%" SCNd64, &uid) == 1) {
+ if (sscanf(args[i+1].c_str(), "%" SCNd64, &uid) == 1) {
parsed.uid = uid;
parsed.has_uid = true;
} else {
- uiPrintf(state, "ParsePermArgs: invalid UID \"%s\"\n", args[i + 1]);
+ uiPrintf(state, "ParsePermArgs: invalid UID \"%s\"\n", args[i + 1].c_str());
bad++;
}
continue;
}
- if (strcmp("gid", args[i]) == 0) {
+ if (args[i] == "gid") {
int64_t gid;
- if (sscanf(args[i+1], "%" SCNd64, &gid) == 1) {
+ if (sscanf(args[i+1].c_str(), "%" SCNd64, &gid) == 1) {
parsed.gid = gid;
parsed.has_gid = true;
} else {
- uiPrintf(state, "ParsePermArgs: invalid GID \"%s\"\n", args[i + 1]);
+ uiPrintf(state, "ParsePermArgs: invalid GID \"%s\"\n", args[i + 1].c_str());
bad++;
}
continue;
}
- if (strcmp("mode", args[i]) == 0) {
+ if (args[i] == "mode") {
int32_t mode;
- if (sscanf(args[i+1], "%" SCNi32, &mode) == 1) {
+ if (sscanf(args[i+1].c_str(), "%" SCNi32, &mode) == 1) {
parsed.mode = mode;
parsed.has_mode = true;
} else {
- uiPrintf(state, "ParsePermArgs: invalid mode \"%s\"\n", args[i + 1]);
+ uiPrintf(state, "ParsePermArgs: invalid mode \"%s\"\n", args[i + 1].c_str());
bad++;
}
continue;
}
- if (strcmp("dmode", args[i]) == 0) {
+ if (args[i] == "dmode") {
int32_t mode;
- if (sscanf(args[i+1], "%" SCNi32, &mode) == 1) {
+ if (sscanf(args[i+1].c_str(), "%" SCNi32, &mode) == 1) {
parsed.dmode = mode;
parsed.has_dmode = true;
} else {
- uiPrintf(state, "ParsePermArgs: invalid dmode \"%s\"\n", args[i + 1]);
+ uiPrintf(state, "ParsePermArgs: invalid dmode \"%s\"\n", args[i + 1].c_str());
bad++;
}
continue;
}
- if (strcmp("fmode", args[i]) == 0) {
+ if (args[i] == "fmode") {
int32_t mode;
- if (sscanf(args[i+1], "%" SCNi32, &mode) == 1) {
+ if (sscanf(args[i+1].c_str(), "%" SCNi32, &mode) == 1) {
parsed.fmode = mode;
parsed.has_fmode = true;
} else {
- uiPrintf(state, "ParsePermArgs: invalid fmode \"%s\"\n", args[i + 1]);
+ uiPrintf(state, "ParsePermArgs: invalid fmode \"%s\"\n", args[i + 1].c_str());
bad++;
}
continue;
}
- if (strcmp("capabilities", args[i]) == 0) {
+ if (args[i] == "capabilities") {
int64_t capabilities;
- if (sscanf(args[i+1], "%" SCNi64, &capabilities) == 1) {
+ if (sscanf(args[i+1].c_str(), "%" SCNi64, &capabilities) == 1) {
parsed.capabilities = capabilities;
parsed.has_capabilities = true;
} else {
- uiPrintf(state, "ParsePermArgs: invalid capabilities \"%s\"\n", args[i + 1]);
+ uiPrintf(state, "ParsePermArgs: invalid capabilities \"%s\"\n", args[i + 1].c_str());
bad++;
}
continue;
}
- if (strcmp("selabel", args[i]) == 0) {
- if (args[i+1][0] != '\0') {
- parsed.selabel = args[i+1];
+ if (args[i] == "selabel") {
+ if (!args[i+1].empty()) {
+ parsed.selabel = args[i+1].c_str();
parsed.has_selabel = true;
} else {
- uiPrintf(state, "ParsePermArgs: invalid selabel \"%s\"\n", args[i + 1]);
+ uiPrintf(state, "ParsePermArgs: invalid selabel \"%s\"\n", args[i + 1].c_str());
bad++;
}
continue;
}
if (max_warnings != 0) {
- printf("ParsedPermArgs: unknown key \"%s\", ignoring\n", args[i]);
+ printf("ParsedPermArgs: unknown key \"%s\", ignoring\n", args[i].c_str());
max_warnings--;
if (max_warnings == 0) {
printf("ParsedPermArgs: suppressing further warnings\n");
@@ -825,48 +806,34 @@ static int do_SetMetadataRecursive(const char* filename, const struct stat *stat
}
static Value* SetMetadataFn(const char* name, State* state, int argc, Expr* argv[]) {
- int bad = 0;
- struct stat sb;
- Value* result = NULL;
-
- bool recursive = (strcmp(name, "set_metadata_recursive") == 0);
-
if ((argc % 2) != 1) {
return ErrorAbort(state, kArgsParsingFailure,
"%s() expects an odd number of arguments, got %d", name, argc);
}
- char** args = ReadVarArgs(state, argc, argv);
- if (args == NULL) return NULL;
-
- if (lstat(args[0], &sb) == -1) {
- result = ErrorAbort(state, kSetMetadataFailure, "%s: Error on lstat of \"%s\": %s",
- name, args[0], strerror(errno));
- goto done;
+ std::vector<std::string> args;
+ if (!ReadArgs(state, argc, argv, &args)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
}
- {
- struct perm_parsed_args parsed = ParsePermArgs(state, argc, args);
-
- if (recursive) {
- recursive_parsed_args = parsed;
- recursive_state = state;
- bad += nftw(args[0], do_SetMetadataRecursive, 30, FTW_CHDIR | FTW_DEPTH | FTW_PHYS);
- memset(&recursive_parsed_args, 0, sizeof(recursive_parsed_args));
- recursive_state = NULL;
- } else {
- bad += ApplyParsedPerms(state, args[0], &sb, parsed);
- }
+ struct stat sb;
+ if (lstat(args[0].c_str(), &sb) == -1) {
+ return ErrorAbort(state, kSetMetadataFailure, "%s: Error on lstat of \"%s\": %s",
+ name, args[0].c_str(), strerror(errno));
}
-done:
- for (int i = 0; i < argc; ++i) {
- free(args[i]);
- }
- free(args);
+ struct perm_parsed_args parsed = ParsePermArgs(state, argc, args);
+ int bad = 0;
+ bool recursive = (strcmp(name, "set_metadata_recursive") == 0);
- if (result != NULL) {
- return result;
+ if (recursive) {
+ recursive_parsed_args = parsed;
+ recursive_state = state;
+ bad += nftw(args[0].c_str(), do_SetMetadataRecursive, 30, FTW_CHDIR | FTW_DEPTH | FTW_PHYS);
+ memset(&recursive_parsed_args, 0, sizeof(recursive_parsed_args));
+ recursive_state = NULL;
+ } else {
+ bad += ApplyParsedPerms(state, args[0].c_str(), &sb, parsed);
}
if (bad > 0) {
@@ -896,113 +863,80 @@ Value* GetPropFn(const char* name, State* state, int argc, Expr* argv[]) {
// per line. # comment lines,blank lines, lines without '=' ignored),
// and returns the value for 'key' (or "" if it isn't defined).
Value* FileGetPropFn(const char* name, State* state, int argc, Expr* argv[]) {
- char* result = NULL;
- char* buffer = NULL;
- char* filename;
- char* key;
- if (ReadArgs(state, argv, 2, &filename, &key) < 0) {
- return NULL;
+ std::vector<std::string> args;
+ if (!ReadArgs(state, 2, argv, &args)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
}
+ const std::string& filename = args[0];
+ const std::string& key = args[1];
struct stat st;
- if (stat(filename, &st) < 0) {
- ErrorAbort(state, kFileGetPropFailure, "%s: failed to stat \"%s\": %s", name, filename,
- strerror(errno));
- goto done;
+ if (stat(filename.c_str(), &st) < 0) {
+ return ErrorAbort(state, kFileGetPropFailure, "%s: failed to stat \"%s\": %s", name,
+ filename.c_str(), strerror(errno));
}
#define MAX_FILE_GETPROP_SIZE 65536
if (st.st_size > MAX_FILE_GETPROP_SIZE) {
- ErrorAbort(state, kFileGetPropFailure, "%s too large for %s (max %d)", filename, name,
- MAX_FILE_GETPROP_SIZE);
- goto done;
- }
-
- buffer = reinterpret_cast<char*>(malloc(st.st_size+1));
- if (buffer == NULL) {
- ErrorAbort(state, kFileGetPropFailure, "%s: failed to alloc %zu bytes", name,
- static_cast<size_t>(st.st_size+1));
- goto done;
+ return ErrorAbort(state, kFileGetPropFailure, "%s too large for %s (max %d)",
+ filename.c_str(), name, MAX_FILE_GETPROP_SIZE);
}
- FILE* f;
- f = ota_fopen(filename, "rb");
- if (f == NULL) {
- ErrorAbort(state, kFileOpenFailure, "%s: failed to open %s: %s", name, filename,
- strerror(errno));
- goto done;
+ std::string buffer(st.st_size, '\0');
+ FILE* f = ota_fopen(filename.c_str(), "rb");
+ if (f == nullptr) {
+ return ErrorAbort(state, kFileOpenFailure, "%s: failed to open %s: %s", name,
+ filename.c_str(), strerror(errno));
}
- if (ota_fread(buffer, 1, st.st_size, f) != static_cast<size_t>(st.st_size)) {
+ if (ota_fread(&buffer[0], 1, st.st_size, f) != static_cast<size_t>(st.st_size)) {
ErrorAbort(state, kFreadFailure, "%s: failed to read %zu bytes from %s",
- name, static_cast<size_t>(st.st_size), filename);
+ name, static_cast<size_t>(st.st_size), filename.c_str());
ota_fclose(f);
- goto done;
+ return nullptr;
}
- buffer[st.st_size] = '\0';
ota_fclose(f);
- char* line;
- line = strtok(buffer, "\n");
- do {
- // skip whitespace at start of line
- while (*line && isspace(*line)) ++line;
+ std::vector<std::string> lines = android::base::Split(buffer, "\n");
+ for (size_t i = 0; i < lines.size(); i++) {
+ std::string line = android::base::Trim(lines[i]);
// comment or blank line: skip to next line
- if (*line == '\0' || *line == '#') continue;
-
- char* equal = strchr(line, '=');
- if (equal == NULL) {
+ if (line.empty() || line[0] == '#') {
+ continue;
+ }
+ size_t equal_pos = line.find('=');
+ if (equal_pos == std::string::npos) {
continue;
}
// trim whitespace between key and '='
- char* key_end = equal-1;
- while (key_end > line && isspace(*key_end)) --key_end;
- key_end[1] = '\0';
+ std::string str = android::base::Trim(line.substr(0, equal_pos - 1));
// not the key we're looking for
- if (strcmp(key, line) != 0) continue;
-
- // skip whitespace after the '=' to the start of the value
- char* val_start = equal+1;
- while(*val_start && isspace(*val_start)) ++val_start;
-
- // trim trailing whitespace
- char* val_end = val_start + strlen(val_start)-1;
- while (val_end > val_start && isspace(*val_end)) --val_end;
- val_end[1] = '\0';
+ if (key != str) continue;
- result = strdup(val_start);
- break;
-
- } while ((line = strtok(NULL, "\n")));
-
- if (result == NULL) result = strdup("");
+ return StringValue(android::base::Trim(line.substr(equal_pos + 1)));
+ }
- done:
- free(filename);
- free(key);
- free(buffer);
- return StringValue(result);
+ return StringValue("");
}
// apply_patch_space(bytes)
Value* ApplyPatchSpaceFn(const char* name, State* state,
int argc, Expr* argv[]) {
- char* bytes_str;
- if (ReadArgs(state, argv, 1, &bytes_str) < 0) {
- return NULL;
+ std::vector<std::string> args;
+ if (!ReadArgs(state, 1, argv, &args)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
}
+ const std::string& bytes_str = args[0];
size_t bytes;
- if (!android::base::ParseUint(bytes_str, &bytes)) {
- ErrorAbort(state, kArgsParsingFailure, "%s(): can't parse \"%s\" as byte count\n\n",
- name, bytes_str);
- free(bytes_str);
- return nullptr;
+ if (!android::base::ParseUint(bytes_str.c_str(), &bytes)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s(): can't parse \"%s\" as byte count\n\n",
+ name, bytes_str.c_str());
}
return StringValue(CacheSizeCheck(bytes) ? "" : "t");
@@ -1013,61 +947,51 @@ Value* ApplyPatchSpaceFn(const char* name, State* state,
Value* ApplyPatchFn(const char* name, State* state, int argc, Expr* argv[]) {
if (argc < 6 || (argc % 2) == 1) {
return ErrorAbort(state, kArgsParsingFailure, "%s(): expected at least 6 args and an "
- "even number, got %d", name, argc);
+ "even number, got %d", name, argc);
}
- char* source_filename;
- char* target_filename;
- char* target_sha1;
- char* target_size_str;
- if (ReadArgs(state, argv, 4, &source_filename, &target_filename,
- &target_sha1, &target_size_str) < 0) {
- return NULL;
+ std::vector<std::string> args;
+ if (!ReadArgs(state, 4, argv, &args)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
}
+ const std::string& source_filename = args[0];
+ const std::string& target_filename = args[1];
+ const std::string& target_sha1 = args[2];
+ const std::string& target_size_str = args[3];
size_t target_size;
- if (!android::base::ParseUint(target_size_str, &target_size)) {
- ErrorAbort(state, kArgsParsingFailure, "%s(): can't parse \"%s\" as byte count",
- name, target_size_str);
- free(source_filename);
- free(target_filename);
- free(target_sha1);
- free(target_size_str);
- return nullptr;
+ if (!android::base::ParseUint(target_size_str.c_str(), &target_size)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s(): can't parse \"%s\" as byte count",
+ name, target_size_str.c_str());
}
int patchcount = (argc-4) / 2;
- std::unique_ptr<Value*> arg_values(ReadValueVarArgs(state, argc-4, argv+4));
- if (!arg_values) {
+ std::vector<std::unique_ptr<Value>> arg_values;
+ if (!ReadValueArgs(state, argc-4, argv+4, &arg_values)) {
return nullptr;
}
- std::vector<std::unique_ptr<Value>> patch_shas;
- std::vector<std::unique_ptr<Value>> patches;
- // Protect values by unique_ptrs first to get rid of memory leak.
- for (int i = 0; i < patchcount * 2; i += 2) {
- patch_shas.emplace_back(arg_values.get()[i]);
- patches.emplace_back(arg_values.get()[i+1]);
- }
for (int i = 0; i < patchcount; ++i) {
- if (patch_shas[i]->type != VAL_STRING) {
- ErrorAbort(state, kArgsParsingFailure, "%s(): sha-1 #%d is not string", name, i);
- return nullptr;
+ if (arg_values[i * 2]->type != VAL_STRING) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s(): sha-1 #%d is not string", name,
+ i * 2);
}
- if (patches[i]->type != VAL_BLOB) {
- ErrorAbort(state, kArgsParsingFailure, "%s(): patch #%d is not blob", name, i);
- return nullptr;
+ if (arg_values[i * 2 + 1]->type != VAL_BLOB) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s(): patch #%d is not blob", name,
+ i * 2 + 1);
}
}
std::vector<std::string> patch_sha_str;
+ std::vector<std::unique_ptr<Value>> patches;
for (int i = 0; i < patchcount; ++i) {
- patch_sha_str.push_back(patch_shas[i]->data);
+ patch_sha_str.push_back(arg_values[i * 2]->data);
+ patches.push_back(std::move(arg_values[i * 2 + 1]));
}
- int result = applypatch(source_filename, target_filename,
- target_sha1, target_size,
- patch_sha_str, patches, NULL);
+ int result = applypatch(source_filename.c_str(), target_filename.c_str(),
+ target_sha1.c_str(), target_size,
+ patch_sha_str, patches, nullptr);
return StringValue(result == 0 ? "t" : "");
}
@@ -1080,17 +1004,17 @@ Value* ApplyPatchCheckFn(const char* name, State* state,
name, argc);
}
- char* filename;
- if (ReadArgs(state, argv, 1, &filename) < 0) {
- return nullptr;
+ std::vector<std::string> args;
+ if (!ReadArgs(state, 1, argv, &args)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
}
+ const std::string& filename = args[0];
std::vector<std::string> sha1s;
- if (!ReadArgs(state, argc-1, argv+1, &sha1s)) {
- return nullptr;
+ if (!ReadArgs(state, argc - 1, argv + 1, &sha1s)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
}
-
- int result = applypatch_check(filename, sha1s);
+ int result = applypatch_check(filename.c_str(), sha1s);
return StringValue(result == 0 ? "t" : "");
}
@@ -1098,19 +1022,12 @@ Value* ApplyPatchCheckFn(const char* name, State* state,
// This is the updater side handler for ui_print() in edify script. Contents
// will be sent over to the recovery side for on-screen display.
Value* UIPrintFn(const char* name, State* state, int argc, Expr* argv[]) {
- char** args = ReadVarArgs(state, argc, argv);
- if (args == NULL) {
- return NULL;
+ std::vector<std::string> args;
+ if (!ReadArgs(state, argc, argv, &args)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
}
- std::string buffer;
- for (int i = 0; i < argc; ++i) {
- buffer += args[i];
- free(args[i]);
- }
- free(args);
-
- buffer += "\n";
+ std::string buffer = android::base::Join(args, "") + "\n";
uiPrint(state, buffer);
return StringValue(buffer);
}
@@ -1127,14 +1044,17 @@ Value* RunProgramFn(const char* name, State* state, int argc, Expr* argv[]) {
if (argc < 1) {
return ErrorAbort(state, kArgsParsingFailure, "%s() expects at least 1 arg", name);
}
- char** args = ReadVarArgs(state, argc, argv);
- if (args == NULL) {
- return NULL;
+
+ std::vector<std::string> args;
+ if (!ReadArgs(state, argc, argv, &args)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
}
- char** args2 = reinterpret_cast<char**>(malloc(sizeof(char*) * (argc+1)));
- memcpy(args2, args, sizeof(char*) * argc);
- args2[argc] = NULL;
+ char* args2[argc+1];
+ for (int i = 0; i < argc; i++) {
+ args2[i] = &args[i][0];
+ }
+ args2[argc] = nullptr;
printf("about to run program [%s] with %d args\n", args2[0], argc);
@@ -1156,13 +1076,6 @@ Value* RunProgramFn(const char* name, State* state, int argc, Expr* argv[]) {
WTERMSIG(status));
}
- int i;
- for (i = 0; i < argc; ++i) {
- free(args[i]);
- }
- free(args);
- free(args2);
-
return StringValue(android::base::StringPrintf("%d", status));
}
@@ -1179,13 +1092,9 @@ Value* Sha1CheckFn(const char* name, State* state, int argc, Expr* argv[]) {
return ErrorAbort(state, kArgsParsingFailure, "%s() expects at least 1 arg", name);
}
- std::unique_ptr<Value*> arg_values(ReadValueVarArgs(state, argc, argv));
- if (arg_values == nullptr) {
- return nullptr;
- }
std::vector<std::unique_ptr<Value>> args;
- for (int i = 0; i < argc; ++i) {
- args.emplace_back(arg_values.get()[i]);
+ if (!ReadValueArgs(state, argc, argv, &args)) {
+ return nullptr;
}
if (args[0]->type == VAL_INVALID) {
@@ -1221,17 +1130,20 @@ Value* ReadFileFn(const char* name, State* state, int argc, Expr* argv[]) {
if (argc != 1) {
return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc);
}
- char* filename;
- if (ReadArgs(state, argv, 1, &filename) < 0) return NULL;
+
+ std::vector<std::string> args;
+ if (!ReadArgs(state, 1, argv, &args)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
+ }
+ const std::string& filename = args[0];
Value* v = new Value(VAL_INVALID, "");
FileContents fc;
- if (LoadFileContents(filename, &fc) == 0) {
+ if (LoadFileContents(filename.c_str(), &fc) == 0) {
v->type = VAL_BLOB;
v->data = std::string(fc.data.begin(), fc.data.end());
}
- free(filename);
return v;
}
@@ -1249,27 +1161,27 @@ Value* RebootNowFn(const char* name, State* state, int argc, Expr* argv[]) {
return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc);
}
- char* filename;
- char* property;
- if (ReadArgs(state, argv, 2, &filename, &property) < 0) return NULL;
+ std::vector<std::string> args;
+ if (!ReadArgs(state, 2, argv, &args)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
+ }
+ const std::string& filename = args[0];
+ const std::string& property = args[1];
// zero out the 'command' field of the bootloader message.
char buffer[80];
memset(buffer, 0, sizeof(((struct bootloader_message*)0)->command));
- FILE* f = ota_fopen(filename, "r+b");
+ FILE* f = ota_fopen(filename.c_str(), "r+b");
fseek(f, offsetof(struct bootloader_message, command), SEEK_SET);
ota_fwrite(buffer, sizeof(((struct bootloader_message*)0)->command), 1, f);
ota_fclose(f);
- free(filename);
std::string reboot_cmd = "reboot,";
- if (property != nullptr) reboot_cmd += property;
+ reboot_cmd += property;
android::base::SetProperty(ANDROID_RB_PROPERTY, reboot_cmd);
sleep(5);
- free(property);
- ErrorAbort(state, kRebootFailure, "%s() failed to reboot", name);
- return NULL;
+ return ErrorAbort(state, kRebootFailure, "%s() failed to reboot", name);
}
// Store a string value somewhere that future invocations of recovery
@@ -1287,26 +1199,28 @@ Value* SetStageFn(const char* name, State* state, int argc, Expr* argv[]) {
return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc);
}
- char* filename;
- char* stagestr;
- if (ReadArgs(state, argv, 2, &filename, &stagestr) < 0) return NULL;
+ std::vector<std::string> args;
+ if (!ReadArgs(state, 2, argv, &args)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
+ }
+ const std::string& filename = args[0];
+ std::string& stagestr = args[1];
// Store this value in the misc partition, immediately after the
// bootloader message that the main recovery uses to save its
// arguments in case of the device restarting midway through
// package installation.
- FILE* f = ota_fopen(filename, "r+b");
+ FILE* f = ota_fopen(filename.c_str(), "r+b");
fseek(f, offsetof(struct bootloader_message, stage), SEEK_SET);
- size_t to_write = strlen(stagestr) + 1;
+ size_t to_write = stagestr.size();
size_t max_size = sizeof(((struct bootloader_message*)0)->stage);
if (to_write > max_size) {
to_write = max_size;
- stagestr[max_size - 1] = 0;
+ stagestr = stagestr.substr(0, max_size-1);
}
- size_t status = ota_fwrite(stagestr, to_write, 1, f);
+ size_t status = ota_fwrite(stagestr.c_str(), to_write, 1, f);
ota_fclose(f);
- free(stagestr);
if (status != to_write) {
return StringValue("");
}
@@ -1320,11 +1234,14 @@ Value* GetStageFn(const char* name, State* state, int argc, Expr* argv[]) {
return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc);
}
- char* filename;
- if (ReadArgs(state, argv, 1, &filename) < 0) return NULL;
+ std::vector<std::string> args;
+ if (!ReadArgs(state, 1, argv, &args)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
+ }
+ const std::string& filename = args[0];
char buffer[sizeof(((struct bootloader_message*)0)->stage)];
- FILE* f = ota_fopen(filename, "rb");
+ FILE* f = ota_fopen(filename.c_str(), "rb");
fseek(f, offsetof(struct bootloader_message, stage), SEEK_SET);
size_t status = ota_fread(buffer, sizeof(buffer), 1, f);
ota_fclose(f);
@@ -1341,21 +1258,25 @@ Value* WipeBlockDeviceFn(const char* name, State* state, int argc, Expr* argv[])
return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc);
}
- char* filename;
- char* len_str;
- if (ReadArgs(state, argv, 2, &filename, &len_str) < 0) return NULL;
+ std::vector<std::string> args;
+ if (!ReadArgs(state, 2, argv, &args)) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name);
+ }
+ const std::string& filename = args[0];
+ const std::string& len_str = args[1];
size_t len;
- android::base::ParseUint(len_str, &len);
- int fd = ota_open(filename, O_WRONLY, 0644);
- int success = wipe_block_device(fd, len);
-
- free(filename);
- free(len_str);
+ if (!android::base::ParseUint(len_str.c_str(), &len)) {
+ return nullptr;
+ }
+ int fd = ota_open(filename.c_str(), O_WRONLY, 0644);
+ // The wipe_block_device function in ext4_utils returns 0 on success and 1
+ // for failure.
+ int status = wipe_block_device(fd, len);
ota_close(fd);
- return StringValue(success ? "t" : "");
+ return StringValue((status == 0) ? "t" : "");
}
Value* EnableRebootFn(const char* name, State* state, int argc, Expr* argv[]) {
@@ -1372,28 +1293,27 @@ Value* Tune2FsFn(const char* name, State* state, int argc, Expr* argv[]) {
return ErrorAbort(state, kArgsParsingFailure, "%s() expects args, got %d", name, argc);
}
- char** args = ReadVarArgs(state, argc, argv);
- if (args == NULL) {
+ std::vector<std::string> args;
+ if (!ReadArgs(state, argc, argv, &args)) {
return ErrorAbort(state, kArgsParsingFailure, "%s() could not read args", name);
}
- char** args2 = reinterpret_cast<char**>(malloc(sizeof(char*) * (argc+1)));
+ char* args2[argc+1];
// Tune2fs expects the program name as its args[0]
- args2[0] = strdup(name);
- for (int i = 0; i < argc; ++i) {
- args2[i + 1] = args[i];
+ args2[0] = const_cast<char*>(name);
+ if (args2[0] == nullptr) {
+ return nullptr;
}
- int result = tune2fs_main(argc + 1, args2);
for (int i = 0; i < argc; ++i) {
- free(args[i]);
+ args2[i + 1] = &args[i][0];
}
- free(args);
- free(args2[0]);
- free(args2);
+ // tune2fs changes the file system parameters on an ext2 file system; it
+ // returns 0 on success.
+ int result = tune2fs_main(argc + 1, args2);
+
if (result != 0) {
- return ErrorAbort(state, kTune2FsFailure, "%s() returned error code %d",
- name, result);
+ return ErrorAbort(state, kTune2FsFailure, "%s() returned error code %d", name, result);
}
return StringValue("t");
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 14:02:19 +0100