81 lines
1.9 KiB
C
81 lines
1.9 KiB
C
/*++
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/* NAME
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/* mail_command_write 3
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/* SUMMARY
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/* single-command client
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/* SYNOPSIS
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/* #include <mail_proto.h>
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/*
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/* int mail_command_write(class, name, format, ...)
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/* const char *class;
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/* const char *name;
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/* const char *format;
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/* DESCRIPTION
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/* This module implements a client interface for single-command
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/* clients: a client that sends a single command and expects
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/* a single completion status code.
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/*
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/* Arguments:
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/* .IP class
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/* Service type: MAIL_CLASS_PUBLIC or MAIL_CLASS_PRIVATE
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/* .IP name
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/* Service name (master.cf).
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/* .IP format
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/* Format string understood by mail_print(3).
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/* DIAGNOSTICS
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/* The result is zero in case of success, non-zero otherwise.
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/* Warnings: problems connecting to the requested service.
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/* Fatal: out of memory.
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/* SEE ALSO
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/* mail_command_read(3), server interface
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/* mail_proto(5h), client-server protocol
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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 <stdlib.h> /* 44BSD stdarg.h uses abort() */
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#include <stdarg.h>
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/* Utility library. */
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#include <vstream.h>
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/* Global library. */
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#include "mail_proto.h"
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/* mail_command_write - single-command transaction with completion status */
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int mail_command_write(const char *class, const char *name,
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const char *fmt,...)
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{
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va_list ap;
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VSTREAM *stream;
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int status;
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/*
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* Talk a little protocol with the specified service.
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*/
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if ((stream = mail_connect(class, name, BLOCKING)) == 0)
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return (1);
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va_start(ap, fmt);
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status = mail_vprint(stream, fmt, ap);
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va_end(ap);
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status |= mail_print(stream, "%s", MAIL_EOF);
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status |= vstream_fflush(stream);
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if (mail_scan(stream, "%d", &status) != 1)
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status = -1;
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(void) vstream_fclose(stream);
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return (status);
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}
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