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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 12:06:34 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 12:06:34 +0000 |
commit | 5e61585d76ae77fd5e9e96ebabb57afa4d74880d (patch) | |
tree | 2b467823aaeebc7ef8bc9e3cabe8074eaef1666d /src/global/rcpt_buf.c | |
parent | Initial commit. (diff) | |
download | postfix-5b7b6342ca8708be5ee306c089f8c5b3d3d122d8.tar.xz postfix-5b7b6342ca8708be5ee306c089f8c5b3d3d122d8.zip |
Adding upstream version 3.5.24.upstream/3.5.24upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/global/rcpt_buf.c')
-rw-r--r-- | src/global/rcpt_buf.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/global/rcpt_buf.c b/src/global/rcpt_buf.c new file mode 100644 index 0000000..d679050 --- /dev/null +++ b/src/global/rcpt_buf.c @@ -0,0 +1,136 @@ +/*++ +/* NAME +/* rcpt_buf +/* SUMMARY +/* recipient buffer manager +/* SYNOPSIS +/* #include <rcpt_buf.h> +/* +/* typedef struct { +/* RECIPIENT rcpt; /* convenience */ +/* .in +4 +/* VSTRING *address; /* final recipient */ +/* VSTRING *orig_addr; /* original recipient */ +/* VSTRING *dsn_orcpt; /* dsn original recipient */ +/* int dsn_notify; /* DSN notify flags */ +/* long offset; /* REC_TYPE_RCPT byte */ +/* .in -4 +/* } RCPT_BUF; +/* +/* RECIPIENT *RECIPIENT_FROM_RCPT_BUF(rcpb) +/* RCPT_BUF *rcpb; +/* +/* RCPT_BUF *rcpb_create(void) +/* +/* void rcpb_reset(rcpb) +/* RCPT_BUF *rcpb; +/* +/* void rcpb_free(rcpb) +/* RCPT_BUF *rcpb; +/* +/* int rcpb_scan(scan_fn, stream, flags, ptr) +/* ATTR_SCAN_MASTER_FN scan_fn; +/* VSTREAM *stream; +/* int flags; +/* void *ptr; +/* DESCRIPTION +/* RECIPIENT_FROM_RCPT_BUF() populates the rcpt member with +/* a shallow copy of the contents of the other fields. +/* +/* rcpb_scan() reads a recipient buffer from the named stream +/* using the specified attribute scan routine. rcpb_scan() +/* is meant to be passed as a call-back to attr_scan(), thusly: +/* +/* ... ATTR_TYPE_FUNC, rcpb_scan, (void *) rcpt_buf, ... +/* +/* rcpb_create(), rcpb_reset() and rcpb_free() create, wipe +/* and destroy recipient buffer instances. +/* DIAGNOSTICS +/* Fatal: out of memory. +/* LICENSE +/* .ad +/* .fi +/* The Secure Mailer license must be distributed with this software. +/* AUTHOR(S) +/* Wietse Venema +/* IBM T.J. Watson Research +/* P.O. Box 704 +/* Yorktown Heights, NY 10598, USA +/*--*/ + +/* System library. */ + +#include <sys_defs.h> + +/* Utility library. */ + +#include <mymalloc.h> +#include <vstring.h> +#include <vstream.h> + +/* Global library. */ + +#include <mail_proto.h> +#include <rcpt_buf.h> + +/* Application-specific. */ + +/* rcpb_create - create recipient buffer */ + +RCPT_BUF *rcpb_create(void) +{ + RCPT_BUF *rcpt; + + rcpt = (RCPT_BUF *) mymalloc(sizeof(*rcpt)); + rcpt->offset = 0; + rcpt->dsn_orcpt = vstring_alloc(10); + rcpt->dsn_notify = 0; + rcpt->orig_addr = vstring_alloc(10); + rcpt->address = vstring_alloc(10); + return (rcpt); +} + +/* rcpb_reset - reset recipient buffer */ + +void rcpb_reset(RCPT_BUF *rcpt) +{ +#define BUF_TRUNCATE(s) (vstring_str(s)[0] = 0) + + rcpt->offset = 0; + BUF_TRUNCATE(rcpt->dsn_orcpt); + rcpt->dsn_notify = 0; + BUF_TRUNCATE(rcpt->orig_addr); + BUF_TRUNCATE(rcpt->address); +} + +/* rcpb_free - destroy recipient buffer */ + +void rcpb_free(RCPT_BUF *rcpt) +{ + vstring_free(rcpt->dsn_orcpt); + vstring_free(rcpt->orig_addr); + vstring_free(rcpt->address); + myfree((void *) rcpt); +} + +/* rcpb_scan - receive recipient buffer */ + +int rcpb_scan(ATTR_SCAN_MASTER_FN scan_fn, VSTREAM *fp, + int flags, void *ptr) +{ + RCPT_BUF *rcpt = (RCPT_BUF *) ptr; + int ret; + + /* + * The order of attributes is determined by historical compatibility and + * can be fixed after all the ad-hoc read/write code is replaced. + */ + ret = scan_fn(fp, flags | ATTR_FLAG_MORE, + RECV_ATTR_STR(MAIL_ATTR_ORCPT, rcpt->orig_addr), + RECV_ATTR_STR(MAIL_ATTR_RECIP, rcpt->address), + RECV_ATTR_LONG(MAIL_ATTR_OFFSET, &rcpt->offset), + RECV_ATTR_STR(MAIL_ATTR_DSN_ORCPT, rcpt->dsn_orcpt), + RECV_ATTR_INT(MAIL_ATTR_DSN_NOTIFY, &rcpt->dsn_notify), + ATTR_TYPE_END); + return (ret == 5 ? 1 : -1); +} |