/usr/bin/avos:AOS update from file()

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Description

Perform an update from an .aos file. See the AOS2 file format page.

References To

• AOS_verify_magic()
• AOS_compare_SIGx_checksum()
• AOS_parse_cipher()
• AOS_parse_unit()
• AOS_parse_version()
• AOS_parse_duration()
• Sys_pk_build_product_key()
• AOS_parse_action_blocks()

The Code

int AOS_file_length;
 
int AOS_update_from_file(char *file, void *callbacks_table)
{
	int fd;			// -0x0C
	int var_08;		// -0x08
 
	var_08 = 0;
	fd = -1;
 
	AOS_file_length = 0;
 
	dword_FE9F8C = 0;
	dword_FE9F90 = 0;
	dword_FE9F94 = 0;
	dword_FE9F98 = 0;
	dword_FE9F9C = 0;
 
	if(AOS_load_callbacks(callbacks_table) != 1)
		return 255;
 
	(AOS_callbacks+4)("opening aos file");
 
	fd = fopen(file, O_RDONLY, 0);
	if(fd <= 0)
		return 201;
 
	AOS_file_length = (uint32_t)fseek64(fd, SEEK_END, 0);
	fseek64(fd, SEEK_SET, 0);
 
	(AOS_callbacks+4)("parsing riff");
	var_08 = AOS_verify_magic(fd);
	if(var_08 == 0) {
		(AOS_callbacks+4)("parsing sign");
		var_08 = AOS_compare_SIGx_checksum(fd);
 
		if(var_08 == 0) {
			(AOS_callbacks+4)("parsing cipher");
			var_08 = AOS_parse_cipher(fd);
 
			if(var_08 == 0) {
				(AOS_callbacks+4)("parsing unit");
				var_08 = AOS_parse_unit(fd);
 
				if(var_08 == 0) {
					(AOS_callbacks+4)("parsing version");
					var_08 = AOS_parse_version(fd);
 
					if(var_08 == 0) {
						(AOS_callbacks+4)("parsing duration");
						var_08 = AOS_parse_duration(fd);
 
						if(var_08 == 0) {
							Sys_pk_build_product_key();
 
							do {
								var_08 = AOS_parse_action_blocks(fd);
 
							} while(var_08 == 0);
 
							if(dword_FE9F8C != 0) {
								if(dword_FE9F9C != 0) {
									free(dword_FE9F9C);
								}
							}
 
							if(var_08 == 252) {
								var_08 = 0;
							}
						}
					}
				}
			}
		}
	}
 
	if(fd > 0)
		fclose(fd);
 
	if(dword_FE9F58 != 0) {
		if(var_08 == 0) {
			unlink(file);
			(AOS_callbacks+0x14)(file);
		}
	}
 
	return var_08;
}