96 lines
2.4 KiB
C
96 lines
2.4 KiB
C
/*++
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/* NAME
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/* mail_trigger 3
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/* SUMMARY
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/* trigger a mail service
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/* SYNOPSIS
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/* #include <mail_proto.h>
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/*
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/* int mail_trigger(class, service, request, length)
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/* const char *class;
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/* const char *service;
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/* const char *request;
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/* int length;
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/* DESCRIPTION
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/* mail_trigger() wakes up the specified mail subsystem, by
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/* sending it the specified request.
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/*
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/* Arguments:
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/* .IP class
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/* Name of a class of local transport channel endpoints,
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/* either \fIpublic\fR (accessible by any local user) or
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/* \fIprivate\fR (administrative access only).
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/* .IP service
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/* The name of a local transport endpoint within the named class.
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/* .IP request
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/* A string. The list of valid requests is service specific.
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/* .IP length
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/* The length of the request string.
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/* DIAGNOSTICS
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/* The result is -1 in case of problems, 0 otherwise.
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/* Warnings are logged.
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/* BUGS
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/* Works with FIFO or UNIX-domain services only.
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/*
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/* Should use master.cf to find out what transport to use.
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/* SEE ALSO
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/* fifo_trigger(3) trigger a FIFO-based service
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/* unix_trigger(3) trigger a UNIX_domain service
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/* LICENSE
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/* .ad
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/* .fi
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/* The Secure Mailer license must be distributed with this software.
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/* AUTHOR(S)
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/* Wietse Venema
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/* IBM T.J. Watson Research
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/* P.O. Box 704
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/* Yorktown Heights, NY 10598, USA
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/*--*/
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/* System library. */
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#include <sys_defs.h>
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#include <sys/stat.h>
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/* Utility library. */
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#include <msg.h>
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#include <mymalloc.h>
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#include <iostuff.h>
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#include <trigger.h>
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/* Global library. */
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#include "mail_params.h"
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#include "mail_proto.h"
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/* mail_trigger - trigger a service */
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int mail_trigger(const char *class, const char *service,
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const char *req_buf, int req_len)
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{
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struct stat st;
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char *path;
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int status;
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/*
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* XXX Some systems cannot tell the difference between a named pipe
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* (fifo) or a UNIX-domain socket. So we may have to try both.
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*/
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path = mail_pathname(class, service);
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if ((status = stat(path, &st)) < 0) {
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/* void */ ;
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} else if (S_ISFIFO(st.st_mode)) {
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status = fifo_trigger(path, req_buf, req_len, var_trigger_timeout);
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if (status < 0 && S_ISSOCK(st.st_mode))
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status = LOCAL_TRIGGER(path, req_buf, req_len, var_trigger_timeout);
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} else if (S_ISSOCK(st.st_mode)) {
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status = LOCAL_TRIGGER(path, req_buf, req_len, var_trigger_timeout);
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} else {
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msg_warn("%s is not a socket or a fifo", path);
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status = -1;
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}
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myfree(path);
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return (status);
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}
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