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Added multi volume archive support

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This commit is contained in:
TheFloW 2018-01-02 21:56:03 +01:00
parent 32720d2590
commit 8ac9dac4f9
1 changed files with 89 additions and 7 deletions
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96
archive.c
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@ -25,7 +25,6 @@
static char archive_file[MAX_PATH_LENGTH];
static int archive_path_start = 0;
struct archive *archive_fd = NULL;
SceUID test_fd = -1;
int checkForUnsafeImports(void *buffer);
char *uncompressBuffer(const Elf32_Ehdr *ehdr, const Elf32_Phdr *phdr, const segment_info *segment,
@ -36,7 +35,7 @@ void __archive_create_child() {}
void __archive_check_child() {}
struct archive_data {
const char *filename;
char *filename;
SceUID fd;
void *buffer;
int block_size;
@ -50,7 +49,6 @@ static int file_open(struct archive *a, void *client_data) {
struct archive_data *archive_data = client_data;
archive_data->fd = sceIoOpen(archive_data->filename, SCE_O_RDONLY, 0);
test_fd = archive_data->fd;
if (archive_data->fd < 0)
return ARCHIVE_FATAL;
@ -105,6 +103,7 @@ static int file_close2(struct archive *a, void *client_data) {
static int file_close(struct archive *a, void *client_data) {
struct archive_data *archive_data = client_data;
file_close2(a, client_data);
free(archive_data->filename);
free(archive_data);
return ARCHIVE_OK;
}
@ -130,12 +129,95 @@ struct archive *open_archive(const char *filename) {
archive_read_set_switch_callback(a, file_switch);
archive_read_set_seek_callback(a, file_seek);
struct archive_data *archive_data = malloc(sizeof(struct archive_data));
archive_data->filename = filename;
archive_read_append_callback_data(a, archive_data);
// Get path and name of filename
char path[MAX_PATH_LENGTH];
char name[MAX_NAME_LENGTH];
char new_path[MAX_PATH_LENGTH];
char format[24];
int part_format = 0;
int type = 0;
if (archive_read_open1(a))
char *p = strrchr(filename, '/');
if (!p)
p = strrchr(filename, ':');
if (!p) {
archive_read_free(a);
return NULL;
}
strncpy(path, filename, p - filename + 1);
path[p - filename + 1] = '\0';
char *q = strchr(p + 1, '.');
if (!q) {
archive_read_free(a);
return NULL;
}
strncpy(name, p + 1, q - (p + 1));
name[q - (p + 1)] = '\0';
// Scan for multivolume archives (.rXX, .rXXX, .partXX.rar, .partXXX.rar)
for (part_format = 0; part_format < 4; part_format++) {
// Check for .partXXXX.rar
strcpy(format, "%s%s.part%0Xd.rar");
format[11] = '1' + part_format;
snprintf(new_path, MAX_PATH_LENGTH - 1, format, path, name, 1);
if (checkFileExist(new_path)) {
type = 1;
break;
}
// Check for .rXXXX
strcpy(format, "%s%s.r%0Xd");
format[8] = '1' + part_format;
snprintf(new_path, MAX_PATH_LENGTH - 1, format, path, name, 1);
if (checkFileExist(new_path)) {
type = 2;
break;
}
}
if (type == 0) {
struct archive_data *archive_data = malloc(sizeof(struct archive_data));
archive_data->filename = malloc(strlen(filename) + 1);
strcpy(archive_data->filename, filename);
archive_read_append_callback_data(a, archive_data);
} else {
if (type == 1) {
strcpy(format, "%s%s.part%0Xd.rar");
format[11] = '1' + part_format;
} else if (type == 2) {
strcpy(format, "%s%s.r%0Xd");
format[8] = '1' + part_format;
snprintf(new_path, MAX_PATH_LENGTH - 1, "%s%s.rar", path, name);
struct archive_data *archive_data = malloc(sizeof(struct archive_data));
archive_data->filename = malloc(strlen(new_path) + 1);
strcpy(archive_data->filename, new_path);
archive_read_append_callback_data(a, archive_data);
}
int i = 0;
while (1) {
snprintf(new_path, MAX_PATH_LENGTH - 1, format, path, name, i);
if (!checkFileExist(new_path))
break;
struct archive_data *archive_data = malloc(sizeof(struct archive_data));
archive_data->filename = malloc(strlen(new_path) + 1);
strcpy(archive_data->filename, new_path);
archive_read_append_callback_data(a, archive_data);
i++;
}
}
if (archive_read_open1(a)) {
archive_read_free(a);
return NULL;
}
return a;
}