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openSUSE:Leap:42.1
rpcbind
0012-Support-systemd-activation.patch
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File 0012-Support-systemd-activation.patch of Package rpcbind
From d92c22d7e8d476b7772ce4e3d8e23200d0048b45 Mon Sep 17 00:00:00 2001 From: Olaf Kirch <okir@suse.de> Date: Tue, 20 Aug 2013 11:26:42 +0200 Subject: [PATCH 12/24] Support systemd activation. This code is loosely based on previous work by Tom Gundersen <teg@jklm.no>. Signed-off-by: Olaf Kirch <okir@suse.de> --- Makefile.am | 15 ++++ configure.ac | 11 +++ src/rpcbind.c | 172 ++++++++++++++++++++++++++++++++++++--------- systemd/.gitignore | 1 + systemd/rpcbind.service.in | 9 +++ systemd/rpcbind.socket | 12 ++++ 6 files changed, 188 insertions(+), 32 deletions(-) create mode 100644 systemd/.gitignore create mode 100644 systemd/rpcbind.service.in create mode 100644 systemd/rpcbind.socket diff --git a/Makefile.am b/Makefile.am index d10c906..df755dd 100644 --- a/Makefile.am +++ b/Makefile.am @@ -38,6 +38,21 @@ rpcbind_SOURCES = \ src/warmstart.c rpcbind_LDADD = $(TIRPC_LIBS) +if SYSTEMD +AM_CPPFLAGS += $(SYSTEMD_CFLAGS) -DSYSTEMD + +rpcbind_LDADD += $(SYSTEMD_LIBS) + +systemd/rpcbind.service: systemd/rpcbind.service.in Makefile + sed -e 's,@bindir\@,$(bindir),g' \ + < $< > $@ || rm $@ + +systemdsystemunit_DATA = \ + systemd/rpcbind.service \ + systemd/rpcbind.socket + +endif + rpcinfo_SOURCES = src/rpcinfo.c rpcinfo_LDADD = $(TIRPC_LIBS) diff --git a/configure.ac b/configure.ac index 1cf42d3..a94933b 100644 --- a/configure.ac +++ b/configure.ac @@ -29,6 +29,17 @@ AC_SUBST([rpcuser], [$with_rpcuser]) PKG_CHECK_MODULES([TIRPC], [libtirpc]) +PKG_PROG_PKG_CONFIG +AC_ARG_WITH([systemdsystemunitdir], + AS_HELP_STRING([--with-systemdsystemunitdir=DIR], [Directory for systemd service files]), + [], [with_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)]) + if test "x$with_systemdsystemunitdir" != xno -a "x$with_systemdsystemunitdir" != "x"; then + AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir]) + PKG_CHECK_MODULES([SYSTEMD], [libsystemd-daemon]) + fi +AM_CONDITIONAL(SYSTEMD, [test -n "$with_systemdsystemunitdir" -a "x$with_systemdsystemunitdir" != xno ]) + + AS_IF([test x$enable_libwrap = xyes], [ AC_CHECK_LIB([wrap], [hosts_access], , AC_MSG_ERROR([libwrap support requested but unable to find libwrap])) diff --git a/src/rpcbind.c b/src/rpcbind.c index 3b753c6..baf1ac0 100644 --- a/src/rpcbind.c +++ b/src/rpcbind.c @@ -56,6 +56,9 @@ #include <netinet/in.h> #endif #include <arpa/inet.h> +#ifdef SYSTEMD +#include <systemd/sd-daemon.h> +#endif #include <fcntl.h> #include <netdb.h> #include <stdio.h> @@ -100,6 +103,9 @@ int runasdaemon = 0; int insecure = 0; int oldstyle_local = 0; int verboselog = 0; +#ifdef SYSTEMD +int systemd_activation = 0; +#endif char **hosts = NULL; int nhosts = 0; @@ -123,6 +129,10 @@ static char superuser[] = "superuser"; int main __P((int, char *[])); +static void init_transports_daemon __P((void)); +#ifdef SYSTEMD +static void init_transports_systemd __P((void)); +#endif static int init_transport __P((struct netconfig *)); static void rbllist_add __P((rpcprog_t, rpcvers_t, struct netconfig *, struct netbuf *)); @@ -132,11 +142,15 @@ static void parseargs __P((int, char *[])); int main(int argc, char *argv[]) { - struct netconfig *nconf; - void *nc_handle; /* Net config handle */ struct rlimit rl; int maxrec = RPC_MAXDATASIZE; +#ifdef SYSTEMD + /* See whether we've been activated by systemd */ + if (sd_listen_fds(0) > 0) + systemd_activation = 1; +#endif + parseargs(argc, argv); /* Check that another rpcbind isn't already running. */ @@ -167,29 +181,14 @@ main(int argc, char *argv[]) */ __nss_configure_lookup("services", "files"); - nc_handle = setnetconfig(); /* open netconfig file */ - if (nc_handle == NULL) { - syslog(LOG_ERR, "could not read /etc/netconfig"); - exit(1); - } - - nconf = getnetconfigent("local"); - if (nconf == NULL) - nconf = getnetconfigent("unix"); - if (nconf == NULL) { - syslog(LOG_ERR, "%s: can't find local transport\n", argv[0]); - exit(1); - } - rpc_control(RPC_SVC_CONNMAXREC_SET, &maxrec); - init_transport(nconf); - - while ((nconf = getnetconfig(nc_handle))) { - if (nconf->nc_flag & NC_VISIBLE) - init_transport(nconf); - } - endnetconfig(nc_handle); +#ifdef SYSTEMD + if (systemd_activation) + init_transports_systemd(); + else +#endif + init_transports_daemon(); #ifdef PORTMAP if (!udptrans) @@ -571,17 +570,29 @@ rpcbind_register_transport(struct netconfig *nconf, SVCXPRT *xprt, struct netbuf * <0: error - ignore this netid */ static int -rpcbind_init_endpoint(struct netconfig *nconf, const char *hostname) +rpcbind_init_endpoint(struct netconfig *nconf, const char *hostname, int fd) { struct t_bind taddr; SVCXPRT *my_xprt = NULL; - int r, fd = -1; + int r; memset(&taddr, 0, sizeof(taddr)); - r = create_transport_socket(nconf, hostname, &taddr.addr, &fd); - if (r <= 0) - return r; + if (fd < 0) { + r = create_transport_socket(nconf, hostname, &taddr.addr, &fd); + if (r <= 0) + return r; + } else { + struct sockaddr_storage addr; + socklen_t alen = sizeof(addr); + + if (getsockname(fd, (struct sockaddr *) &addr, &alen) < 0) { + syslog(LOG_ERR, "cannot get address for socket fd %d", fd); + exit(1); + } + + sockaddr2netbuf((struct sockaddr *) &addr, alen, &taddr.addr); + } my_xprt = (SVCXPRT *)svc_tli_create(fd, nconf, &taddr, RPC_MAXDATASIZE, RPC_MAXDATASIZE); if (my_xprt == (SVCXPRT *)NULL) { @@ -645,12 +656,12 @@ init_transport(struct netconfig *nconf) /* Ensure that we always bind to loopback */ switch (si.si_af) { case AF_INET: - if (rpcbind_init_endpoint(nconf, "127.0.0.1") > 0) + if (rpcbind_init_endpoint(nconf, "127.0.0.1", -1) > 0) numbound++; break; case AF_INET6: - if (rpcbind_init_endpoint(nconf, "::1") > 0) + if (rpcbind_init_endpoint(nconf, "::1", -1) > 0) numbound++; break; } @@ -662,7 +673,7 @@ init_transport(struct netconfig *nconf) if (strcmp("*", hostname) == 0) hostname = NULL; - r = rpcbind_init_endpoint(nconf, hostname); + r = rpcbind_init_endpoint(nconf, hostname, -1); if (r < 0) return 1; if (r > 0) @@ -672,7 +683,7 @@ init_transport(struct netconfig *nconf) if (numbound == 0) return 1; } else { - if (rpcbind_init_endpoint(nconf, NULL) <= 0) + if (rpcbind_init_endpoint(nconf, NULL, -1) <= 0) return 1; } @@ -699,6 +710,103 @@ init_transport(struct netconfig *nconf) } static void +init_transports_daemon(void) +{ + void *nc_handle; + struct netconfig *nconf; + + nc_handle = setnetconfig(); /* open netconfig file */ + if (nc_handle == NULL) { + syslog(LOG_ERR, "could not read /etc/netconfig"); + exit(1); + } + + nconf = getnetconfigent("local"); + if (nconf == NULL) + nconf = getnetconfigent("unix"); + if (nconf == NULL) { + syslog(LOG_ERR, "rpcbind: can't find local transport\n"); + exit(1); + } + + init_transport(nconf); + + while ((nconf = getnetconfig(nc_handle))) { + if (nconf->nc_flag & NC_VISIBLE) + init_transport(nconf); + } + endnetconfig(nc_handle); +} + +#ifdef SYSTEMD +static struct netconfig * +sockinfo2nconf(void **handlep, const struct __rpc_sockinfo *match) +{ + struct netconfig *nconf; + + if (*handlep) + endnetconfig(*handlep); + *handlep = setnetconfig(); + + while ((nconf = getnetconfig(*handlep))) { + struct __rpc_sockinfo si; + + if (!__rpc_nconf2sockinfo(nconf, &si)) + continue; + + if (si.si_af == match->si_af + && si.si_socktype == match->si_socktype + && si.si_proto == match->si_proto) + return nconf; + } + return NULL; +} + +static void +init_transports_systemd() +{ + void *nc_handle = NULL; + int nfds, n; + + if ((nfds = sd_listen_fds(0)) < 0) { + syslog(LOG_ERR, "failed to acquire systemd sockets: %s", strerror(-nfds)); + exit(1); + } + if (nfds >= 16) { + syslog(LOG_ERR, "too many sockets passed by systemd (%u)", nfds); + exit(1); + } + + for (n = 0; n < nfds; ++n) { + struct netconfig *nconf; + struct __rpc_sockinfo si; + int fd; + + fd = SD_LISTEN_FDS_START + n; + + if (!__rpc_fd2sockinfo(fd, &si)) { + syslog(LOG_ERR, "cannot get socket information for fd %d", fd); + exit(1); + } + + /* Now find the netconfig entry matching this transport */ + if ((nconf = sockinfo2nconf(&nc_handle, &si)) == NULL) { + syslog(LOG_ERR, "not netconfig for socket fd %d", fd); + exit(1); + } + + if (rpcbind_init_endpoint(nconf, NULL, fd) <= 0) { + syslog(LOG_ERR, "unable to create transport for socket fd %d", fd); + exit(1); + } + } + + if (nc_handle) + endnetconfig(nc_handle); +} +#endif + +static void rbllist_add(rpcprog_t prog, rpcvers_t vers, struct netconfig *nconf, struct netbuf *addr) { diff --git a/systemd/.gitignore b/systemd/.gitignore new file mode 100644 index 0000000..b7b4561 --- /dev/null +++ b/systemd/.gitignore @@ -0,0 +1 @@ +rpcbind.service diff --git a/systemd/rpcbind.service.in b/systemd/rpcbind.service.in new file mode 100644 index 0000000..58ae5de --- /dev/null +++ b/systemd/rpcbind.service.in @@ -0,0 +1,9 @@ +[Unit] +Description=RPC Bind + +[Service] +ExecStart=@bindir@/rpcbind -w -f + +[Install] +WantedBy=multi-user.target +Also=rpcbind.socket diff --git a/systemd/rpcbind.socket b/systemd/rpcbind.socket new file mode 100644 index 0000000..ad5fd62 --- /dev/null +++ b/systemd/rpcbind.socket @@ -0,0 +1,12 @@ +[Unit] +Description=RPCbind Server Activation Socket +Wants=rpcbind.target +Before=rpcbind.target + +[Socket] +ListenStream=/var/run/rpcbind.sock +ListenStream=111 +ListenDatagram=111 + +[Install] +WantedBy=sockets.target -- 1.7.12.4
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