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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 09:44:07 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 09:44:07 +0000 |
commit | 39ce00b8d520cbecbd6af87257e8fb11df0ec273 (patch) | |
tree | 4c21a2674c19e5c44be3b3550b476b9e63d8ae3d /src/routers/rf_change_domain.c | |
parent | Initial commit. (diff) | |
download | exim4-39ce00b8d520cbecbd6af87257e8fb11df0ec273.tar.xz exim4-39ce00b8d520cbecbd6af87257e8fb11df0ec273.zip |
Adding upstream version 4.94.2.upstream/4.94.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/routers/rf_change_domain.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/routers/rf_change_domain.c b/src/routers/rf_change_domain.c new file mode 100644 index 0000000..39c41fc --- /dev/null +++ b/src/routers/rf_change_domain.c @@ -0,0 +1,84 @@ +/************************************************* +* Exim - an Internet mail transport agent * +*************************************************/ + +/* Copyright (c) University of Cambridge 1995 - 2018 */ +/* See the file NOTICE for conditions of use and distribution. */ + + +#include "../exim.h" +#include "rf_functions.h" + + + +/************************************************* +* Change domain in an address * +*************************************************/ + +/* When a router wants to change the address that is being routed, it is like a +redirection. We insert a new parent of the current address to hold the original +information, and change the data in the original address, which is now the +child. The child address is put onto the addr_new chain. Pick up the local part +from the "address" field so as to get it in external form - caseful, and with +any quoting retained. + +Arguments: + addr the address block + domain the new domain + rewrite TRUE if headers lines are to be rewritten + addr_new the new address chain + +Returns: nothing +*/ + +void +rf_change_domain(address_item *addr, const uschar *domain, BOOL rewrite, + address_item **addr_new) +{ +address_item *parent = store_get(sizeof(address_item), FALSE); +uschar *at = Ustrrchr(addr->address, '@'); +uschar *address = string_sprintf("%.*s@%s", + (int)(at - addr->address), addr->address, domain); + +DEBUG(D_route) debug_printf("domain changed to %s\n", domain); + +/* The current address item is made into the parent, and a new address is set +up in the old space. */ + +*parent = *addr; + +/* First copy in initializing values, to wipe out stuff such as the named +domain cache. Then copy over the propagating fields from the parent. Then set +up the new fields. */ + +*addr = address_defaults; +addr->prop = parent->prop; + +addr->address = address; +addr->unique = string_copy(address); +addr->parent = parent; +parent->child_count = 1; + +addr->next = *addr_new; +*addr_new = addr; + +/* Rewrite header lines if requested */ + +if (rewrite) + { + DEBUG(D_route|D_rewrite) debug_printf("rewriting header lines\n"); + for (header_line * h = header_list; h != NULL; h = h->next) + { + header_line *newh = + rewrite_header(h, parent->domain, domain, + global_rewrite_rules, rewrite_existflags, TRUE); + if (newh) + { + h = newh; + f.header_rewritten = TRUE; + } + } + } +} + +/* End of rf_change_domain.c */ |