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Length: 1930 (0x78a)
Types: TextFile
Names: »rule3.m4«
└─⟦9ae75bfbd⟧ Bits:30007242 EUUGD3: Starter Kit
└─⟦02f44f254⟧ »EurOpenD3/mail/sendmail.5.65.tar.Z«
└─⟦4e8d58309⟧
└─⟦this⟧ »./cf/m4/rule3.m4«
└─⟦9ae75bfbd⟧ Bits:30007242 EUUGD3: Starter Kit
└─⟦bfebc70e2⟧ »EurOpenD3/mail/sendmail-5.65b+IDA-1.4.3.tar.Z«
└─⟦f9e35cd84⟧
└─⟦this⟧ »sendmail/cf/m4/rule3.m4«
divert(10) # # Sendmail # Copyright (c) 1983 Eric P. Allman # Berkeley, California # # Copyright (c) 1983 Regents of the University of California. # All rights reserved. The Berkeley software License Agreement # specifies the terms and conditions for redistribution. # # @(#)rule3.m4 1.17 (Berkeley) 1/3/89 # divert(0) ########################### # Name Canonicalization # ########################### S3 # handle "from:<>" special case R$*<>$* $@@ turn into magic token # basic textual canonicalization -- note RFC733 heuristic here R$*<$*<$*<$+>$*>$*>$* $4 3-level <> nesting R$*<$*<$+>$*>$* $3 2-level <> nesting R$*<$+>$* $2 basic RFC821/822 parsing # make sure <@a,@b,@c:user@d> syntax is easy to parse -- undone later R@$+,$+ @$1:$2 change all "," to ":" # localize and dispose of route-based addresses R@$+:$+ $@$>6<@$1>:$2 handle <route-addr> # more miscellaneous cleanup R$+ $:$>8$1 host dependent cleanup R$+:$*;@$+ $@$1:$2;@$3 list syntax R$+:$*; $@$1:$2; list syntax R$+@$+ $:$1<@$2> focus on domain R$+<$+@$+> $1$2<@$3> move gaze right R$+<@$+> $@$>6$1<@$2> already canonical # convert old-style addresses to a domain-based address R$+^$+ $1!$2 convert ^ to ! R$-!$+ $@$>6$2<@$1.UUCP> resolve uucp names R$+.$-!$+ $@$>6$3<@$1.$2> domain uucps R$+!$+ $@$>6$2<@$1.UUCP> uucp subdomains R$+%$+ $:$>9$1%$2 user%host R$+<@$+> $@$>6$1<@$2> already canonical R$-.$+ $@$>6$2<@$1> host.user ################################# # special local conversions # ################################# S6 R$*<@$=w>$* $:$1<@$w>$3 get into u@$w form R$*<@$=w.$D>$* $:$1<@$w>$3 R$*<@$=U.UUCP>$* $:$1<@$w>$3 ################################ # Change rightmost % to @. # ################################ S9 R$*%$* $1@$2 First make them all @'s. R$*@$*@$* $1%$2@$3 Undo all but the last. R$*@$* $@$1<@$2> Put back the brackets.