/*++ /* NAME /* split_addr 3 /* SUMMARY /* recipient localpart address splitter /* SYNOPSIS /* #include <split_addr.h> /* /* char *split_addr(localpart, delimiter) /* char *localpart; /* int delimiter; /* DESCRIPTION /* split_addr() null-terminates \fIlocalpart\fR at the first /* occurrence of the \fIdelimiter\fR character found, and /* returns a pointer to the remainder. /* /* Reserved addresses are not split: postmaster, mailer-daemon, /* double-bounce. Addresses that begin with owner-, or addresses /* that end in -request are not split when the owner_request_special /* parameter is set. /* 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> #include <string.h> #ifdef STRCASECMP_IN_STRINGS_H #include <strings.h> #endif /* Utility library. */ #include <split_at.h> /* Global library. */ #include <mail_params.h> #include <mail_addr.h> #include <split_addr.h> /* split_addr - split address with extreme prejudice */ char *split_addr(char *localpart, int delimiter) { int len; /* * Don't split these, regardless of what the delimiter is. */ if (strcasecmp(localpart, MAIL_ADDR_POSTMASTER) == 0) return (0); if (strcasecmp(localpart, MAIL_ADDR_MAIL_DAEMON) == 0) return (0); if (strcasecmp(localpart, var_double_bounce_sender) == 0) return (0); /* * Backwards compatibility: don't split owner-foo or foo-request. */ if (delimiter == '-' && var_ownreq_special != 0) { if (strncasecmp(localpart, "owner-", 6) == 0) return (0); if ((len = strlen(localpart) - 8) > 0 && strcasecmp(localpart + len, "-request") == 0) return (0); } /* * Safe to split this address. Do not split the address if the result * would have a null localpart. */ return (delimiter == *localpart ? 0 : split_at(localpart, delimiter)); }