forked from Mirrorlandia_minetest/minetest
Serialisation: documentation fixes, clarifying renames and whitespace fixes
1. Do two renames: * SER_FMT_CLIENT_VER_LOWEST -> SER_FMT_VER_LOWEST_WRITE * SER_FMT_VER_LOWEST -> SER_FMT_VER_LOWEST_READ Now the two define values are consistently named with the _WRITE defines SER_FMT_VER_{HIGHEST,LOWEST}_WRITE, and to better point out what the two serialisation versions actually are for. 2. wrap some lines in doc/worldformat.txt, and point out that the node timers are serialized at a later point, as this can cause confusion about what now happens (if one doesn't strictly read the if block's conditions). 3. some whitespace fixes in NodeTimerList::serialize, and one new comment.
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@ -45,7 +45,8 @@ Contains authentication data, player per line.
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Legacy format (until 0.4.12) of password hash is <name><password> SHA1'd,
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in the base64 encoding.
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Format (since 0.4.13) of password hash is #1#<salt>#<verifier>, with the parts inside <> encoded in the base64 encoding.
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Format (since 0.4.13) of password hash is #1#<salt>#<verifier>, with the
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parts inside <> encoded in the base64 encoding.
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<verifier> is an RFC 5054 compatible SRP-2048-SHA1 verifier
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of the given salt, password, and the player's name lowercased.
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@ -54,7 +55,7 @@ Example lines:
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celeron55::interact,shout
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- Player "Foo", password "bar", privilege "shout", with a legacy password hash:
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foo:iEPX+SQWIR3p67lj/0zigSWTKHg:shout
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- Player "Foo", password "bar", privilege "shout", with an up to date pw hash (yes it is THAT long):
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- Player "Foo", password "bar", privilege "shout", with a 0.4.13 pw hash:
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foo:#1#hPpy4O3IAn1hsNK00A6wNw#Kpu6rj7McsrPCt4euTb5RA5ltF7wdcWGoYMcRngwDi11cZhPuuR9i5Bo7o6A877TgcEwoc//HNrj9EjR/CGjdyTFmNhiermZOADvd8eu32FYK1kf7RMC0rXWxCenYuOQCG4WF9mMGiyTPxC63VAjAMuc1nCZzmy6D9zt0SIKxOmteI75pAEAIee2hx4OkSXRIiU4Zrxo1Xf7QFxkMY4x77vgaPcvfmuzom0y/fU1EdSnZeopGPvzMpFx80ODFx1P34R52nmVl0W8h4GNo0k8ZiWtRCdrJxs8xIg7z5P1h3Th/BJ0lwexpdK8sQZWng8xaO5ElthNuhO8UQx1l6FgEA:shout
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- Player "bar", no password, no privileges:
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bar::
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@ -316,6 +317,8 @@ if map format version == 24: (NOTE: Not released as stable)
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u16 timer position (z*16*16 + y*16 + x)
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s32 timeout*1000
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s32 elapsed*1000
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if map format version >= 25:
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-- Nothing right here, node timers are serialized later
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u8 static object version:
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- Always 0
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@ -564,7 +564,7 @@ void MapBlock::serialize(std::ostream &os, u8 version, bool disk)
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throw SerializationError("ERROR: Not writing dummy block.");
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}
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FATAL_ERROR_IF(version < SER_FMT_CLIENT_VER_LOWEST, "Serialize version error");
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FATAL_ERROR_IF(version < SER_FMT_VER_LOWEST_WRITE, "Serialisation version error");
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// First byte
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u8 flags = 0;
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@ -504,7 +504,7 @@ public:
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// These don't write or read version by itself
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// Set disk to true for on-disk format, false for over-the-network format
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// Precondition: version >= SER_FMT_CLIENT_VER_LOWEST
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// Precondition: version >= SER_FMT_VER_LOWEST_WRITE
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void serialize(std::ostream &os, u8 version, bool disk);
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// If disk == true: In addition to doing other things, will add
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// unknown blocks from id-name mapping to wndef
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@ -103,7 +103,7 @@ void Server::handleCommand_Init(NetworkPacket* pkt)
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// Use the highest version supported by both
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u8 depl_serial_v = std::min(client_max, our_max);
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// If it's lower than the lowest supported, give up.
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if (depl_serial_v < SER_FMT_VER_LOWEST)
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if (depl_serial_v < SER_FMT_VER_LOWEST_READ)
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depl_serial_v = SER_FMT_VER_INVALID;
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if (depl_serial_v == SER_FMT_VER_INVALID) {
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@ -347,7 +347,7 @@ void Server::handleCommand_Init_Legacy(NetworkPacket* pkt)
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// Use the highest version supported by both
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int deployed = std::min(client_max, our_max);
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// If it's lower than the lowest supported, give up.
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if (deployed < SER_FMT_VER_LOWEST)
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if (deployed < SER_FMT_VER_LOWEST_READ)
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deployed = SER_FMT_VER_INVALID;
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if (deployed == SER_FMT_VER_INVALID) {
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@ -56,7 +56,7 @@ void NodeTimerList::serialize(std::ostream &os, u8 map_format_version) const
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}
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if (map_format_version >= 25) {
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writeU8(os, 2+4+4);
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writeU8(os, 2 + 4 + 4); // length of the data for a single timer
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writeU16(os, m_data.size());
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}
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@ -70,14 +70,14 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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// Saved on disk version
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#define SER_FMT_VER_HIGHEST_WRITE 25
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// Lowest supported serialization version
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#define SER_FMT_VER_LOWEST 0
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// Lowest client supported serialization version
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#define SER_FMT_VER_LOWEST_READ 0
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// Lowest serialization version for writing
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// Can't do < 24 anymore; we have 16-bit dynamically allocated node IDs
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// in memory; conversion just won't work in this direction.
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#define SER_FMT_CLIENT_VER_LOWEST 24
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#define SER_FMT_VER_LOWEST_WRITE 24
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inline bool ser_ver_supported(s32 v) {
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return v >= SER_FMT_VER_LOWEST && v <= SER_FMT_VER_HIGHEST_READ;
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return v >= SER_FMT_VER_LOWEST_READ && v <= SER_FMT_VER_HIGHEST_READ;
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}
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/*
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