mirror of
https://github.com/grp/Wii.py.git
synced 2025-06-18 23:05:48 -04:00
Added a whole ISFS implementation (almost complete) and did a bunch of permissions stuffs.
This commit is contained in:
Alex Marshall
parent
bd03a307f1
commit
a9a6a4d0d3
327
nand.py
327
nand.py
@ -36,6 +36,8 @@ class NAND:
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self.newDirectory("/tmp", "rwrwrw", 0x0000)
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self.ES = ESClass(self)
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self.ISFS = ISFSClass(self)
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self.ES._setisfs()
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self.ISFS._setes()
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self.contentmap = ContentMap(self.f + "/shared1/content.map")
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def hasPermissionEntry(self, dir):
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@ -69,6 +71,194 @@ class NAND:
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pfp.close()
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return 1
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def _getFilePermissionBase(self, dir, loc):
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pfp = open(self.perms, "rb")
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data = pfp.read()
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pfp.close()
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ret = data.find(dir)
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if(ret == -1):
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return 0
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newlineloc = 0
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for i in range(ret):
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if(data.startswith("\n", i)):
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newlineloc = i + 1
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endloc = data.find("\n", newlineloc)
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pfp = open(self.perms, "rb")
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if(loc > 0):
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loc *= 2
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pfp.seek(newlineloc + 1 + loc)
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pdata = pfp.read(2)
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pfp.close()
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return pdata
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def getFilePermissionOwner(self, dir):
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pdata = self._getFilePermissionBase(dir, 0)
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pval = 0
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if(pdata[0] == "r"):
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pval += 1
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if(pdata[1] == "w"):
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pval += 2
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return pval
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def getFilePermissionGroup(self, dir):
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pdata = self._getFilePermissionBase(dir, 1)
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pval = 0
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if(pdata[0] == "r"):
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pval += 1
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if(pdata[1] == "w"):
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pval += 2
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return pval
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def getFilePermissionOthers(self, dir):
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pdata = self._getFilePermissionBase(dir, 2)
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pval = 0
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if(pdata[0] == "r"):
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pval += 1
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if(pdata[1] == "w"):
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pval += 2
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return pval
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def getFilePermissionPerms(self, dir):
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pfp = open(self.perms, "rb")
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data = pfp.read()
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pfp.close()
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ret = data.find(dir)
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if(ret == -1):
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return 0
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newlineloc = 0
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for i in range(ret):
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if(data.startswith("\n", i)):
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newlineloc = i + 1
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endloc = data.find("\n", newlineloc)
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pfp = open(self.perms, "rb")
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pfp.seek(newlineloc + 1)
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pdata = pfp.read(6)
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pfp.close()
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return pdata
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def _setFilePermissionBase(self, dir, loc, val):
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pfp = open(self.perms, "rb")
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data = pfp.read()
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pfp.close()
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ret = data.find(dir)
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if(ret == -1):
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return 0
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newlineloc = 0
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for i in range(ret):
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if(data.startswith("\n", i)):
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newlineloc = i + 1
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endloc = data.find("\n", newlineloc)
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pfp = open(self.perms, "rb")
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if(loc > 0):
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loc *= 2
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pfp.seek(newlineloc + 1 + loc)
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pfp.write(val)
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pfp.close()
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def setFilePermissionOwner(self, dir, val):
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out = ""
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if(val & 1):
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out += "r"
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if(val & 2):
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out += "w"
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self._setFilePermissionBase(dir, 0, out)
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def setFilePermissionGroup(self, dir):
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out = ""
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if(val & 1):
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out += "r"
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if(val & 2):
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out += "w"
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self._setFilePermissionBase(dir, 1, out)
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def setFilePermissionOthers(self, dir):
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out = ""
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if(val & 1):
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out += "r"
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if(val & 2):
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out += "w"
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self._setFilePermissionBase(dir, 2, out)
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def isFileDirectory(self, dir):
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pdata = self._getFilePermissionBase(dir, -1)
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pval = 0
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if(pdata[0] == "d"):
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pval += 1
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return pval
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def getFilePermissionUID(self, dir):
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pfp = open(self.perms, "rb")
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data = pfp.read()
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pfp.close()
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ret = data.find(dir)
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if(ret == -1):
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return 0
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newlineloc = -1
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for i in range(ret):
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if(data.startswith("\n", i)):
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newlineloc = i + 1
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endloc = data.find("\n", newlineloc)
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pfp = open(self.perms, "rb")
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pfp.seek(newlineloc + 8)
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uidata = pfp.read(4)
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pfp.close()
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return int(uidata, 16)
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def getFilePermissionGID(self, dir):
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pfp = open(self.perms, "rb")
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data = pfp.read()
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pfp.close()
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ret = data.find(dir)
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if(ret == -1):
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return 0
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newlineloc = -1
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for i in range(ret):
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if(data.startswith("\n", i)):
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newlineloc = i + 1
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endloc = data.find("\n", newlineloc)
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pfp = open(self.perms, "rb")
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pfp.seek(newlineloc + 13)
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gidata = pfp.read(4)
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pfp.close()
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return int(gidata, 16)
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def setFilePermissionUID(self, dir, val):
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pfp = open(self.perms, "rb")
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data = pfp.read()
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pfp.close()
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ret = data.find(dir)
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if(ret == -1):
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return 0
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newlineloc = -1
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for i in range(ret):
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if(data.startswith("\n", i)):
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newlineloc = i + 1
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endloc = data.find("\n", newlineloc)
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pfp = open(self.perms, "rb")
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pfp.seek(newlineloc + 8)
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uidata = pfp.write("%04X" % val)
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pfp.close()
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return int(uidata, 16)
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def setFilePermissionGID(self, dir, val):
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pfp = open(self.perms, "rb")
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data = pfp.read()
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pfp.close()
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ret = data.find(dir)
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if(ret == -1):
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return 0
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newlineloc = -1
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for i in range(ret):
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if(data.startswith("\n", i)):
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newlineloc = i + 1
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endloc = data.find("\n", newlineloc)
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pfp = open(self.perms, "rb")
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pfp.seek(newlineloc + 13)
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gidata = pfp.write("%04X" % val)
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pfp.close()
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return int(gidata, 16)
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def addPermissionEntry(self, uid, permissions, dir, groupid):
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pfp = open(self.perms, "rb")
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data = pfp.read()
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@ -199,20 +389,157 @@ class NAND:
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class ISFSClass:
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"""This class contains an interface to the NAND that simulates the permissions system and all other aspects of the ISFS.
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The nand argument to the initializer is a NAND object."""
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class ISFSFP:
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def __init__(self, file, mode):
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self.fp = open(file, mode)
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self.loc = 0
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self.size = len(self.fp.read())
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self.fp.seek(0)
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self.SEEK_SET = 0
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self.SEEK_CUR = 1
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self.SEEK_END = 2
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def seek(self, where, whence = 0):
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if(whence == self.SEEK_SET):
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self.loc = where
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if(whence == self.SEEK_CUR):
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self.loc += where
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if(whence == self.SEEK_END):
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self.loc = self.size - where
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self.fp.seek(self.loc)
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return self.loc
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def close(self):
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self.fp.close()
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self.loc = 0
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self.size = 0
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def write(self, data):
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leng = self.fp.write(data)
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self.loc += leng
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return leng
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def read(self, length=""):
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if(length == ""):
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self.loc = self.size
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return self.fp.read()
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self.loc += length
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return self.fp.read(length)
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def __init__(self, nand):
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self.nand = nand
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self.f = nand.f
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self.ES = None
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def _setes(self):
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self.ES = self.nand.ES
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def Open(self, file, mode):
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if(not os.path.isfile(self.f + file)):
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return None
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return self.ISFSFP(self.f + file, mode)
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def Close(self, fp):
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fp.close()
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def Delete(self, file):
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self.nand.removeFile(file)
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def CreateFile(self, filename, perms):
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self.nand.newFile(filename, perms, self.ES.group, self.ES.title)
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def Write(self, fp, data):
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return fp.write(data)
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def Read(self, fp, length=""):
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return fp.read(length)
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def Seek(self, fp, where, whence):
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return fp.seek(where, whence)
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def CreateDir(self, dirname, perms):
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self.nand.newDirectory(dirname, perms, self.ES.group, self.ES.title)
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def GetAttr(self, filename): # Wheeee, stupid haxx to put all the numbers into one return value!
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ret = self.nand.getFilePermissionUID(filename)
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ret += (self.nand.getFilePermissionGID(filename) << 16)
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ret += (self.nand.getFilePermissionOwner(filename) << 32)
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ret += (self.nand.getFilePermissionGroup(filename) << 34)
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ret += (self.nand.getFilePermissionOthers(filename) << 36)
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return ret
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def splitAttrUID(self, attr):
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return attr & 0xFFFF
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def splitAttrGID(self, attr):
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return (attr >> 16) & 0xFFFF
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def splitAttrOwner(self, attr):
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return (attr >> 32) & 0xFF
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def splitAttrGroup(self, attr):
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return (attr >> 34) & 0xFF
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def splitAttrOthers(self, attr):
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return (attr >> 36) & 0xFF
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def Rename(self, fileold, filenew):
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uid = self.nand.getFilePermissionUID(fileold)
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gid = self.nand.getFilePermissionGID(fileold)
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own = self.nand.getFilePermissionOwner(fileold)
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grp = self.nand.getFilePermissionGroup(fileold)
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oth = self.nand.getFilePermissionOthers(fileold)
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fld = self.nand.isFileDirectory(fileold)
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if(fld):
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print "Directory moving is busted ATM. Will fix laterz.\n"
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return
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fp = self.Open(fileold, "rb")
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data = fp.Read()
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fp.close()
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self.Delete(fileold)
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perms = ""
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if(own & 1):
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perms += "r"
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else:
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perms += "-"
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if(own & 2):
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perms += "w"
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else:
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perms += "-"
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if(grp & 1):
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perms += "r"
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else:
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perms += "-"
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if(grp & 2):
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perms += "w"
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else:
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perms += "-"
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if(oth & 1):
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perms += "r"
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else:
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perms += "-"
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if(oth & 2):
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perms += "w"
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else:
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perms += "-"
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self.CreateFile(filenew, perms)
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fp = self.Open(filenew, "wb")
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fp.write(data)
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fp.close()
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def SetAttr(self, filename, uid, gid=0, owner=0, group=0, others=0):
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self.nand.setFilePermissionUID(filename, uid)
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self.nand.setFilePermissionGID(filename, gid)
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self.nand.setFilePermissionOwner(filename, owner)
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self.nand.setFilePermissionGroup(filename, group)
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self.nand.setFilePermissionOthers(filename, others)
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class ESClass:
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"""This class performs all services relating to titles installed on the Wii. It is a clone of the libogc ES interface.
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The nand argument to the initializer is a NAND object."""
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def __init__(self, nand):
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self.title = 0x0000000100000002
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self.group = 0x0001
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self.ticketadded = 0
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self.tmdadded = 0
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self.workingcid = 0
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self.workingcidcnt = 0
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self.nand = nand
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self.f = nand.f
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self.ISFS = None
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def _setisfs(self):
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self.ISFS = self.nand.ISFS
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def getContentIndexFromCID(self, tmd, cid):
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"""Gets the content index from the content id cid referenced to in the TMD instance tmd."""
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for i in range(tmd.tmd.numcontents):
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