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httpd/httpd-2.4.53-separate-systemd-fns.patch
Luboš Uhliarik d9ddc5dc92 Try to minimize httpd dependencies 
- essential binaries moved to httpd-core package
- mod_brotli and mod_systemd are now in httpd main package together with
  .service files
- httpd is no longer linked (-lsystemd), all systemd functions moved to
  mod_systemd module which is now shipped in main httpd package
2022-03-30 19:33:41 +02:00

265 lines
8.6 KiB
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diff --git a/acinclude.m4 b/acinclude.m4
index 05abe18..97484c9 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -631,7 +631,6 @@ case $host in
if test "${ac_cv_header_systemd_sd_daemon_h}" = "no" || test -z "${SYSTEMD_LIBS}"; then
AC_MSG_WARN([Your system does not support systemd.])
else
- APR_ADDTO(HTTPD_LIBS, [$SYSTEMD_LIBS])
AC_DEFINE(HAVE_SYSTEMD, 1, [Define if systemd is supported])
fi
fi
diff --git a/modules/arch/unix/mod_systemd.c b/modules/arch/unix/mod_systemd.c
index eda1272..fc059fc 100644
--- a/modules/arch/unix/mod_systemd.c
+++ b/modules/arch/unix/mod_systemd.c
@@ -35,6 +35,15 @@
#include <unistd.h>
#endif
+APR_DECLARE_OPTIONAL_FN(int,
+ ap_find_systemd_socket, (process_rec *, apr_port_t));
+
+APR_DECLARE_OPTIONAL_FN(int,
+ ap_systemd_listen_fds, (int));
+
+APR_DECLARE_OPTIONAL_FN(int,
+ ap_systemd_journal_stream_fd, (const char *, int, int));
+
static char describe_listeners[30];
static int systemd_pre_config(apr_pool_t *pconf, apr_pool_t *plog,
@@ -145,8 +154,47 @@ static int systemd_monitor(apr_pool_t *p, server_rec *s)
return DECLINED;
}
+static int ap_find_systemd_socket(process_rec * process, apr_port_t port) {
+ int fdcount, fd;
+ int sdc = sd_listen_fds(0);
+
+ if (sdc < 0) {
+ ap_log_perror(APLOG_MARK, APLOG_CRIT, sdc, process->pool, APLOGNO(02486)
+ "find_systemd_socket: Error parsing enviroment, sd_listen_fds returned %d",
+ sdc);
+ return -1;
+ }
+
+ if (sdc == 0) {
+ ap_log_perror(APLOG_MARK, APLOG_CRIT, sdc, process->pool, APLOGNO(02487)
+ "find_systemd_socket: At least one socket must be set.");
+ return -1;
+ }
+
+ fdcount = atoi(getenv("LISTEN_FDS"));
+ for (fd = SD_LISTEN_FDS_START; fd < SD_LISTEN_FDS_START + fdcount; fd++) {
+ if (sd_is_socket_inet(fd, 0, 0, -1, port) > 0) {
+ return fd;
+ }
+ }
+
+ return -1;
+}
+
+static int ap_systemd_listen_fds(int unset_environment){
+ return sd_listen_fds(unset_environment);
+}
+
+static int ap_systemd_journal_stream_fd(const char *identifier, int priority, int level_prefix){
+ return sd_journal_stream_fd("httpd", priority, 0);
+}
+
static void systemd_register_hooks(apr_pool_t *p)
{
+ APR_REGISTER_OPTIONAL_FN(ap_systemd_listen_fds);
+ APR_REGISTER_OPTIONAL_FN(ap_find_systemd_socket);
+ APR_REGISTER_OPTIONAL_FN(ap_systemd_journal_stream_fd);
+
/* Enable ap_extended_status. */
ap_hook_pre_config(systemd_pre_config, NULL, NULL, APR_HOOK_LAST);
/* Signal service is ready. */
diff --git a/modules/loggers/config.m4 b/modules/loggers/config.m4
index 0848d2e..8af2299 100644
--- a/modules/loggers/config.m4
+++ b/modules/loggers/config.m4
@@ -5,7 +5,6 @@ dnl APACHE_MODULE(name, helptext[, objects[, structname[, default[, config]]]])
APACHE_MODPATH_INIT(loggers)
APACHE_MODULE(log_config, logging configuration. You won't be able to log requests to the server without this module., , , yes)
-APR_ADDTO(MOD_LOG_CONFIG_LDADD, [$SYSTEMD_LIBS])
APACHE_MODULE(log_debug, configurable debug logging, , , most)
APACHE_MODULE(log_forensic, forensic logging)
diff --git a/modules/loggers/mod_log_config.c b/modules/loggers/mod_log_config.c
index 0b11f60..04f08ca 100644
--- a/modules/loggers/mod_log_config.c
+++ b/modules/loggers/mod_log_config.c
@@ -172,14 +172,16 @@
#include <limits.h>
#endif
-#ifdef HAVE_SYSTEMD
-#include <systemd/sd-journal.h>
-#endif
-
#define DEFAULT_LOG_FORMAT "%h %l %u %t \"%r\" %>s %b"
module AP_MODULE_DECLARE_DATA log_config_module;
+#ifdef HAVE_SYSTEMD
+APR_DECLARE_OPTIONAL_FN(int,
+ ap_systemd_journal_stream_fd, (const char *, int, int));
+
+#endif
+
static int xfer_flags = (APR_WRITE | APR_APPEND | APR_CREATE | APR_LARGEFILE);
static apr_fileperms_t xfer_perms = APR_OS_DEFAULT;
@@ -1640,8 +1642,15 @@ static apr_status_t wrap_journal_stream(apr_pool_t *p, apr_file_t **outfd,
{
#ifdef HAVE_SYSTEMD
int fd;
+ APR_OPTIONAL_FN_TYPE(ap_systemd_journal_stream_fd) *systemd_journal_stream_fd;
+
+ systemd_journal_stream_fd = APR_RETRIEVE_OPTIONAL_FN(ap_systemd_journal_stream_fd);
+ if (systemd_journal_stream_fd == NULL) {
+ return APR_ENOTIMPL;
+ }
- fd = sd_journal_stream_fd("httpd", priority, 0);
+ fd = systemd_journal_stream_fd("httpd", priority, 0);
+
if (fd < 0) return fd;
/* This is an AF_UNIX socket fd so is more pipe-like than
diff --git a/server/listen.c b/server/listen.c
index e2e028a..217caf2 100644
--- a/server/listen.c
+++ b/server/listen.c
@@ -34,10 +34,6 @@
#include <unistd.h>
#endif
-#ifdef HAVE_SYSTEMD
-#include <systemd/sd-daemon.h>
-#endif
-
/* we know core's module_index is 0 */
#undef APLOG_MODULE_INDEX
#define APLOG_MODULE_INDEX AP_CORE_MODULE_INDEX
@@ -65,6 +61,12 @@ static int send_buffer_size;
static int receive_buffer_size;
#ifdef HAVE_SYSTEMD
static int use_systemd = -1;
+
+APR_DECLARE_OPTIONAL_FN(int,
+ ap_find_systemd_socket, (process_rec *, apr_port_t));
+
+APR_DECLARE_OPTIONAL_FN(int,
+ ap_systemd_listen_fds, (int));
#endif
/* TODO: make_sock is just begging and screaming for APR abstraction */
@@ -325,34 +327,6 @@ static int find_listeners(ap_listen_rec **from, ap_listen_rec **to,
}
#ifdef HAVE_SYSTEMD
-
-static int find_systemd_socket(process_rec * process, apr_port_t port) {
- int fdcount, fd;
- int sdc = sd_listen_fds(0);
-
- if (sdc < 0) {
- ap_log_perror(APLOG_MARK, APLOG_CRIT, sdc, process->pool, APLOGNO(02486)
- "find_systemd_socket: Error parsing enviroment, sd_listen_fds returned %d",
- sdc);
- return -1;
- }
-
- if (sdc == 0) {
- ap_log_perror(APLOG_MARK, APLOG_CRIT, sdc, process->pool, APLOGNO(02487)
- "find_systemd_socket: At least one socket must be set.");
- return -1;
- }
-
- fdcount = atoi(getenv("LISTEN_FDS"));
- for (fd = SD_LISTEN_FDS_START; fd < SD_LISTEN_FDS_START + fdcount; fd++) {
- if (sd_is_socket_inet(fd, 0, 0, -1, port) > 0) {
- return fd;
- }
- }
-
- return -1;
-}
-
static apr_status_t alloc_systemd_listener(process_rec * process,
int fd, const char *proto,
ap_listen_rec **out_rec)
@@ -412,6 +386,14 @@ static const char *set_systemd_listener(process_rec *process, apr_port_t port,
{
ap_listen_rec *last, *new;
apr_status_t rv;
+ APR_OPTIONAL_FN_TYPE(ap_find_systemd_socket) *find_systemd_socket;
+
+ find_systemd_socket = APR_RETRIEVE_OPTIONAL_FN(ap_find_systemd_socket);
+
+ if (!find_systemd_socket)
+ return "Systemd socket activation is used, but mod_systemd is probably"
+ "not loaded";
+
int fd = find_systemd_socket(process, port);
if (fd < 0) {
return "Systemd socket activation is used, but this port is not "
@@ -438,7 +420,6 @@ static const char *set_systemd_listener(process_rec *process, apr_port_t port,
return NULL;
}
-
#endif /* HAVE_SYSTEMD */
static const char *alloc_listener(process_rec *process, const char *addr,
@@ -707,6 +688,9 @@ AP_DECLARE(int) ap_setup_listeners(server_rec *s)
int num_listeners = 0;
const char* proto;
int found;
+#ifdef HAVE_SYSTEMD
+ APR_OPTIONAL_FN_TYPE(ap_systemd_listen_fds) *systemd_listen_fds;
+#endif
for (ls = s; ls; ls = ls->next) {
proto = ap_get_server_protocol(ls);
@@ -746,7 +730,10 @@ AP_DECLARE(int) ap_setup_listeners(server_rec *s)
apr_pool_cleanup_null, s->process->pool);
}
else {
- sd_listen_fds(1);
+ systemd_listen_fds = APR_RETRIEVE_OPTIONAL_FN(ap_systemd_listen_fds);
+ if (systemd_listen_fds != NULL) {
+ systemd_listen_fds(1);
+ }
}
}
else
@@ -963,6 +950,9 @@ AP_DECLARE_NONSTD(const char *) ap_set_listener(cmd_parms *cmd, void *dummy,
apr_port_t port;
apr_status_t rv;
const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
+#ifdef HAVE_SYSTEMD
+ APR_OPTIONAL_FN_TYPE(ap_systemd_listen_fds) *systemd_listen_fds;
+#endif
if (err != NULL) {
return err;
@@ -973,7 +963,10 @@ AP_DECLARE_NONSTD(const char *) ap_set_listener(cmd_parms *cmd, void *dummy,
}
#ifdef HAVE_SYSTEMD
if (use_systemd == -1) {
- use_systemd = sd_listen_fds(0) > 0;
+ systemd_listen_fds = APR_RETRIEVE_OPTIONAL_FN(ap_systemd_listen_fds);
+ if (systemd_listen_fds != NULL) {
+ use_systemd = systemd_listen_fds(0) > 0;
+ }
}
#endif
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