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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/mail_command_client.c | |
parent | Initial commit. (diff) | |
download | postfix-5e61585d76ae77fd5e9e96ebabb57afa4d74880d.tar.xz postfix-5e61585d76ae77fd5e9e96ebabb57afa4d74880d.zip |
Adding upstream version 3.5.24.upstream/3.5.24upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/global/mail_command_client.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/global/mail_command_client.c b/src/global/mail_command_client.c new file mode 100644 index 0000000..1817b03 --- /dev/null +++ b/src/global/mail_command_client.c @@ -0,0 +1,98 @@ +/*++ +/* NAME +/* mail_command_client 3 +/* SUMMARY +/* single-command client +/* SYNOPSIS +/* #include <mail_proto.h> +/* +/* int mail_command_client(class, name, type, attr, ...) +/* const char *class; +/* const char *name; +/* int type; +/* const char *attr; +/* DESCRIPTION +/* This module implements a client interface for single-command +/* clients: a client that sends a single command and expects +/* a single completion status code. +/* +/* Arguments: +/* .IP class +/* Service type: MAIL_CLASS_PUBLIC or MAIL_CLASS_PRIVATE +/* .IP name +/* Service name (master.cf). +/* .IP "type, attr, ..." +/* Attribute information as defined in attr_print(3). +/* DIAGNOSTICS +/* The result is -1 if the request could not be sent, otherwise +/* the result is the status reported by the server. +/* Warnings: problems connecting to the requested service. +/* Fatal: out of memory. +/* SEE ALSO +/* attr_print(3), send attributes over byte stream +/* mail_command_server(3), server interface +/* mail_proto(3h), client-server protocol +/* 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 +/* +/* Wietse Venema +/* Google, Inc. +/* 111 8th Avenue +/* New York, NY 10011, USA +/*--*/ + +/* System library. */ + +#include <sys_defs.h> +#include <stdlib.h> /* 44BSD stdarg.h uses abort() */ +#include <stdarg.h> + +/* Utility library. */ + +#include <vstream.h> +#include <msg.h> + +/* Global library. */ + +#include <mail_proto.h> + +/* mail_command_client - single-command transaction with completion status */ + +int mail_command_client(const char *class, const char *name,...) +{ + va_list ap; + VSTREAM *stream; + int status; + + /* + * Talk a little protocol with the specified service. + * + * This function is used for non-critical services where it is OK to back + * off after the first error. Log what communication stage failed, to + * facilitate trouble analysis. + */ + if ((stream = mail_connect(class, name, BLOCKING)) == 0) { + msg_warn("connect to %s/%s: %m", class, name); + return (-1); + } + va_start(ap, name); + status = attr_vprint(stream, ATTR_FLAG_NONE, ap); + va_end(ap); + if (status != 0) { + msg_warn("write %s: %m", VSTREAM_PATH(stream)); + status = -1; + } else if (attr_scan(stream, ATTR_FLAG_STRICT, + RECV_ATTR_INT(MAIL_ATTR_STATUS, &status), 0) != 1) { + msg_warn("write/read %s: %m", VSTREAM_PATH(stream)); + status = -1; + } + (void) vstream_fclose(stream); + return (status); +} |