diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 12:06:34 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 12:06:34 +0000 |
commit | 5e61585d76ae77fd5e9e96ebabb57afa4d74880d (patch) | |
tree | 2b467823aaeebc7ef8bc9e3cabe8074eaef1666d /src/global/mail_trigger.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 'src/global/mail_trigger.c')
-rw-r--r-- | src/global/mail_trigger.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/global/mail_trigger.c b/src/global/mail_trigger.c new file mode 100644 index 0000000..d9f74a5 --- /dev/null +++ b/src/global/mail_trigger.c @@ -0,0 +1,98 @@ +/*++ +/* NAME +/* mail_trigger 3 +/* SUMMARY +/* trigger a mail service +/* SYNOPSIS +/* #include <mail_proto.h> +/* +/* int mail_trigger(class, service, request, length) +/* const char *class; +/* const char *service; +/* const char *request; +/* ssize_t length; +/* DESCRIPTION +/* mail_trigger() wakes up the specified mail subsystem, by +/* sending it the specified request. In the case of non-FIFO +/* server endpoints, a short-running program should invoke +/* event_drain() to ensure proper request delivery. +/* +/* Arguments: +/* .IP class +/* Name of a class of local transport channel endpoints, +/* either \fIpublic\fR (accessible by any local user) or +/* \fIprivate\fR (administrative access only). +/* .IP service +/* The name of a local transport endpoint within the named class. +/* .IP request +/* A string. The list of valid requests is service specific. +/* .IP length +/* The length of the request string. +/* DIAGNOSTICS +/* The result is -1 in case of problems, 0 otherwise. +/* Warnings are logged. +/* BUGS +/* Works with FIFO or UNIX-domain services only. +/* +/* Should use master.cf to find out what transport to use. +/* SEE ALSO +/* fifo_trigger(3) trigger a FIFO-based service +/* unix_trigger(3) trigger a UNIX_domain service +/* 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 <sys/stat.h> + +/* Utility library. */ + +#include <msg.h> +#include <mymalloc.h> +#include <iostuff.h> +#include <trigger.h> +#include <warn_stat.h> + +/* Global library. */ + +#include "mail_params.h" +#include "mail_proto.h" + +/* mail_trigger - trigger a service */ + +int mail_trigger(const char *class, const char *service, + const char *req_buf, ssize_t req_len) +{ + struct stat st; + char *path; + int status; + + /* + * XXX Some systems cannot tell the difference between a named pipe + * (fifo) or a UNIX-domain socket. So we may have to try both. + */ + path = mail_pathname(class, service); + if ((status = stat(path, &st)) < 0) { + msg_warn("unable to look up %s: %m", path); + } else if (S_ISFIFO(st.st_mode)) { + status = fifo_trigger(path, req_buf, req_len, var_trigger_timeout); + if (status < 0 && S_ISSOCK(st.st_mode)) + status = LOCAL_TRIGGER(path, req_buf, req_len, var_trigger_timeout); + } else if (S_ISSOCK(st.st_mode)) { + status = LOCAL_TRIGGER(path, req_buf, req_len, var_trigger_timeout); + } else { + msg_warn("%s is not a socket or a fifo", path); + status = -1; + } + myfree(path); + return (status); +} |