/*++ /* 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 /*--*/ /* Syste, 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((char *) 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, ATTR_TYPE_STR, MAIL_ATTR_ORCPT, rcpt->orig_addr, ATTR_TYPE_STR, MAIL_ATTR_RECIP, rcpt->address, ATTR_TYPE_LONG, MAIL_ATTR_OFFSET, &rcpt->offset, ATTR_TYPE_STR, MAIL_ATTR_DSN_ORCPT, rcpt->dsn_orcpt, ATTR_TYPE_INT, MAIL_ATTR_DSN_NOTIFY, &rcpt->dsn_notify, ATTR_TYPE_END); return (ret == 5 ? 1 : -1); }