mirror of
https://github.com/systemd/systemd.git
synced 2024-12-18 06:33:36 +08:00
874 lines
28 KiB
C
874 lines
28 KiB
C
/*-*- Mode: C; c-basic-offset: 8 -*-*/
|
|
|
|
#include <linux/oom.h>
|
|
#include <assert.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
|
|
#include "unit.h"
|
|
#include "strv.h"
|
|
#include "conf-parser.h"
|
|
#include "load-fragment.h"
|
|
#include "log.h"
|
|
|
|
static int config_parse_deps(
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
const char *lvalue,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
UnitDependency d = PTR_TO_UINT(data);
|
|
Unit *u = userdata;
|
|
char *w;
|
|
size_t l;
|
|
char *state;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
|
|
FOREACH_WORD(w, &l, rvalue, state) {
|
|
char *t;
|
|
int r;
|
|
Unit *other;
|
|
|
|
if (!(t = strndup(w, l)))
|
|
return -ENOMEM;
|
|
|
|
r = manager_load_unit(u->meta.manager, t, &other);
|
|
free(t);
|
|
|
|
if (r < 0)
|
|
return r;
|
|
|
|
if ((r = unit_add_dependency(u, d, other)) < 0)
|
|
return r;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int config_parse_names(
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
const char *lvalue,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
Unit *u = userdata;
|
|
char *w;
|
|
size_t l;
|
|
char *state;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
FOREACH_WORD(w, &l, rvalue, state) {
|
|
char *t;
|
|
int r;
|
|
Unit *other;
|
|
|
|
if (!(t = strndup(w, l)))
|
|
return -ENOMEM;
|
|
|
|
other = manager_get_unit(u->meta.manager, t);
|
|
|
|
if (other) {
|
|
|
|
if (other != u) {
|
|
|
|
if (other->meta.load_state != UNIT_STUB) {
|
|
free(t);
|
|
return -EEXIST;
|
|
}
|
|
|
|
if ((r = unit_merge(u, other)) < 0) {
|
|
free(t);
|
|
return r;
|
|
}
|
|
}
|
|
|
|
} else {
|
|
if ((r = unit_add_name(u, t)) < 0) {
|
|
free(t);
|
|
return r;
|
|
}
|
|
}
|
|
|
|
free(t);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int config_parse_listen(
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
const char *lvalue,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
int r;
|
|
SocketPort *p;
|
|
Socket *s;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
s = (Socket*) data;
|
|
|
|
if (!(p = new0(SocketPort, 1)))
|
|
return -ENOMEM;
|
|
|
|
if (streq(lvalue, "ListenFIFO")) {
|
|
p->type = SOCKET_FIFO;
|
|
|
|
if (!(p->path = strdup(rvalue))) {
|
|
free(p);
|
|
return -ENOMEM;
|
|
}
|
|
} else {
|
|
p->type = SOCKET_SOCKET;
|
|
|
|
if ((r = socket_address_parse(&p->address, rvalue)) < 0) {
|
|
log_error("[%s:%u] Failed to parse address value: %s", filename, line, rvalue);
|
|
free(p);
|
|
return r;
|
|
}
|
|
|
|
if (streq(lvalue, "ListenStream"))
|
|
p->address.type = SOCK_STREAM;
|
|
else if (streq(lvalue, "ListenDatagram"))
|
|
p->address.type = SOCK_DGRAM;
|
|
else {
|
|
assert(streq(lvalue, "ListenSequentialPacket"));
|
|
p->address.type = SOCK_SEQPACKET;
|
|
}
|
|
|
|
if (socket_address_family(&p->address) != AF_LOCAL && p->address.type == SOCK_SEQPACKET) {
|
|
free(p);
|
|
return -EPROTONOSUPPORT;
|
|
}
|
|
}
|
|
|
|
p->fd = -1;
|
|
LIST_PREPEND(SocketPort, port, s->ports, p);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int config_parse_socket_bind(
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
const char *lvalue,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
int r;
|
|
Socket *s;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
s = (Socket*) data;
|
|
|
|
if ((r = parse_boolean(rvalue)) < 0) {
|
|
log_error("[%s:%u] Failed to parse bind IPv6 only value: %s", filename, line, rvalue);
|
|
return r;
|
|
}
|
|
|
|
s->bind_ipv6_only = r ? SOCKET_ADDRESS_IPV6_ONLY : SOCKET_ADDRESS_BOTH;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int config_parse_nice(
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
const char *lvalue,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecContext *c = data;
|
|
int priority, r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if ((r = safe_atoi(rvalue, &priority)) < 0) {
|
|
log_error("[%s:%u] Failed to parse nice priority: %s", filename, line, rvalue);
|
|
return r;
|
|
}
|
|
|
|
if (priority < PRIO_MIN || priority >= PRIO_MAX) {
|
|
log_error("[%s:%u] Nice priority out of range: %s", filename, line, rvalue);
|
|
return -ERANGE;
|
|
}
|
|
|
|
c->nice = priority;
|
|
c->nice_set = false;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int config_parse_oom_adjust(
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
const char *lvalue,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecContext *c = data;
|
|
int oa, r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if ((r = safe_atoi(rvalue, &oa)) < 0) {
|
|
log_error("[%s:%u] Failed to parse OOM adjust value: %s", filename, line, rvalue);
|
|
return r;
|
|
}
|
|
|
|
if (oa < OOM_DISABLE || oa > OOM_ADJUST_MAX) {
|
|
log_error("[%s:%u] OOM adjust value out of range: %s", filename, line, rvalue);
|
|
return -ERANGE;
|
|
}
|
|
|
|
c->oom_adjust = oa;
|
|
c->oom_adjust_set = true;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int config_parse_umask(
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
const char *lvalue,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
mode_t *m = data;
|
|
long l;
|
|
char *x = NULL;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
errno = 0;
|
|
l = strtol(rvalue, &x, 8);
|
|
if (!x || *x || errno) {
|
|
log_error("[%s:%u] Failed to parse umask value: %s", filename, line, rvalue);
|
|
return errno ? -errno : -EINVAL;
|
|
}
|
|
|
|
if (l < 0000 || l > 0777) {
|
|
log_error("[%s:%u] umask value out of range: %s", filename, line, rvalue);
|
|
return -ERANGE;
|
|
}
|
|
|
|
*m = (mode_t) l;
|
|
return 0;
|
|
}
|
|
|
|
static int config_parse_exec(
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
const char *lvalue,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecCommand **e = data, *ee, *nce = NULL;
|
|
char **n;
|
|
char *w;
|
|
unsigned k;
|
|
size_t l;
|
|
char *state;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
k = 0;
|
|
FOREACH_WORD_QUOTED(w, l, rvalue, state)
|
|
k++;
|
|
|
|
if (!(n = new(char*, k+1)))
|
|
return -ENOMEM;
|
|
|
|
k = 0;
|
|
FOREACH_WORD_QUOTED(w, l, rvalue, state)
|
|
if (!(n[k++] = strndup(w, l)))
|
|
goto fail;
|
|
|
|
n[k] = NULL;
|
|
|
|
if (!n[0] || !path_is_absolute(n[0])) {
|
|
log_error("[%s:%u] Invalid executable path in command line: %s", filename, line, rvalue);
|
|
strv_free(n);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (!(nce = new0(ExecCommand, 1)))
|
|
goto fail;
|
|
|
|
nce->argv = n;
|
|
if (!(nce->path = strdup(n[0])))
|
|
goto fail;
|
|
|
|
if (*e) {
|
|
/* It's kinda important that we keep the order here */
|
|
LIST_FIND_TAIL(ExecCommand, command, *e, ee);
|
|
LIST_INSERT_AFTER(ExecCommand, command, *e, ee, nce);
|
|
} else
|
|
*e = nce;
|
|
|
|
return 0;
|
|
|
|
fail:
|
|
for (; k > 0; k--)
|
|
free(n[k-1]);
|
|
free(n);
|
|
|
|
free(nce);
|
|
|
|
return -ENOMEM;
|
|
}
|
|
|
|
static int config_parse_usec(
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
const char *lvalue,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
usec_t *usec = data;
|
|
unsigned long long u;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if ((r = safe_atollu(rvalue, &u)) < 0) {
|
|
log_error("[%s:%u] Failed to parse time value: %s", filename, line, rvalue);
|
|
return r;
|
|
}
|
|
|
|
/* We actually assume the user configures seconds. Later on we
|
|
* might choose to support suffixes for time values, to
|
|
* configure bigger or smaller units */
|
|
|
|
*usec = u * USEC_PER_SEC;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int config_parse_service_type(
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
const char *lvalue,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
Service *s = data;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (streq(rvalue, "forking"))
|
|
s->type = SERVICE_FORKING;
|
|
else if (streq(rvalue, "simple"))
|
|
s->type = SERVICE_SIMPLE;
|
|
else {
|
|
log_error("[%s:%u] Failed to parse service type: %s", filename, line, rvalue);
|
|
return -EBADMSG;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int config_parse_service_restart(
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
const char *lvalue,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
Service *s = data;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (streq(rvalue, "once"))
|
|
s->restart = SERVICE_ONCE;
|
|
else if (streq(rvalue, "on-success"))
|
|
s->type = SERVICE_RESTART_ON_SUCCESS;
|
|
else if (streq(rvalue, "always"))
|
|
s->type = SERVICE_RESTART_ALWAYS;
|
|
else {
|
|
log_error("[%s:%u] Failed to parse service type: %s", filename, line, rvalue);
|
|
return -EBADMSG;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_bindtodevice(
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
const char *lvalue,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
Socket *s = data;
|
|
char *n;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (rvalue[0] && !streq(rvalue, "*")) {
|
|
if (!(n = strdup(rvalue)))
|
|
return -ENOMEM;
|
|
} else
|
|
n = NULL;
|
|
|
|
free(s->bind_to_device);
|
|
s->bind_to_device = n;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_output(
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
const char *lvalue,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecOutput *o = data;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (streq(rvalue, "syslog"))
|
|
*o = EXEC_SYSLOG;
|
|
else if (streq(rvalue, "null"))
|
|
*o = EXEC_NULL;
|
|
else if (streq(rvalue, "syslog"))
|
|
*o = EXEC_SYSLOG;
|
|
else if (streq(rvalue, "kernel"))
|
|
*o = EXEC_KERNEL;
|
|
else {
|
|
log_error("[%s:%u] Failed to parse log output: %s", filename, line, rvalue);
|
|
return -EBADMSG;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_facility(
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
const char *lvalue,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
static const char * const table[LOG_NFACILITIES] = {
|
|
[LOG_FAC(LOG_KERN)] = "kern",
|
|
[LOG_FAC(LOG_USER)] = "user",
|
|
[LOG_FAC(LOG_MAIL)] = "mail",
|
|
[LOG_FAC(LOG_DAEMON)] = "daemon",
|
|
[LOG_FAC(LOG_AUTH)] = "auth",
|
|
[LOG_FAC(LOG_SYSLOG)] = "syslog",
|
|
[LOG_FAC(LOG_LPR)] = "lpr",
|
|
[LOG_FAC(LOG_NEWS)] = "news",
|
|
[LOG_FAC(LOG_UUCP)] = "uucp",
|
|
[LOG_FAC(LOG_CRON)] = "cron",
|
|
[LOG_FAC(LOG_AUTHPRIV)] = "authpriv",
|
|
[LOG_FAC(LOG_FTP)] = "ftp",
|
|
[LOG_FAC(LOG_LOCAL0)] = "local0",
|
|
[LOG_FAC(LOG_LOCAL1)] = "local1",
|
|
[LOG_FAC(LOG_LOCAL2)] = "local2",
|
|
[LOG_FAC(LOG_LOCAL3)] = "local3",
|
|
[LOG_FAC(LOG_LOCAL4)] = "local4",
|
|
[LOG_FAC(LOG_LOCAL5)] = "local5",
|
|
[LOG_FAC(LOG_LOCAL6)] = "local6",
|
|
[LOG_FAC(LOG_LOCAL7)] = "local7"
|
|
};
|
|
|
|
ExecOutput *o = data;
|
|
int i;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
for (i = 0; i < (int) ELEMENTSOF(table); i++)
|
|
if (streq(rvalue, table[i])) {
|
|
*o = LOG_MAKEPRI(i, LOG_PRI(*o));
|
|
break;
|
|
}
|
|
|
|
if (i >= (int) ELEMENTSOF(table)) {
|
|
|
|
/* Second try, let's see if this is a number. */
|
|
if (safe_atoi(rvalue, &i) >= 0 &&
|
|
i >= 0 &&
|
|
i < (int) ELEMENTSOF(table))
|
|
*o = LOG_MAKEPRI(i, LOG_PRI(*o));
|
|
else {
|
|
log_error("[%s:%u] Failed to parse log output: %s", filename, line, rvalue);
|
|
return -EBADMSG;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_level(
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
const char *lvalue,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
static const char * const table[LOG_DEBUG+1] = {
|
|
[LOG_EMERG] = "emerg",
|
|
[LOG_ALERT] = "alert",
|
|
[LOG_CRIT] = "crit",
|
|
[LOG_ERR] = "err",
|
|
[LOG_WARNING] = "warning",
|
|
[LOG_NOTICE] = "notice",
|
|
[LOG_INFO] = "info",
|
|
[LOG_DEBUG] = "debug"
|
|
};
|
|
|
|
ExecOutput *o = data;
|
|
int i;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
for (i = 0; i < (int) ELEMENTSOF(table); i++)
|
|
if (streq(rvalue, table[i])) {
|
|
*o = LOG_MAKEPRI(LOG_FAC(*o), i);
|
|
break;
|
|
}
|
|
|
|
if (i >= LOG_NFACILITIES) {
|
|
|
|
/* Second try, let's see if this is a number. */
|
|
if (safe_atoi(rvalue, &i) >= 0 &&
|
|
i >= 0 &&
|
|
i < (int) ELEMENTSOF(table))
|
|
*o = LOG_MAKEPRI(LOG_FAC(*o), i);
|
|
else {
|
|
log_error("[%s:%u] Failed to parse log output: %s", filename, line, rvalue);
|
|
return -EBADMSG;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define FOLLOW_MAX 8
|
|
|
|
static int open_follow(char **filename, FILE **_f, Set *names, char **_id) {
|
|
unsigned c = 0;
|
|
int fd, r;
|
|
FILE *f;
|
|
char *id = NULL;
|
|
|
|
assert(filename);
|
|
assert(*filename);
|
|
assert(_f);
|
|
assert(names);
|
|
|
|
/* This will update the filename pointer if the loaded file is
|
|
* reached by a symlink. The old string will be freed. */
|
|
|
|
for (;;) {
|
|
char *target, *k, *name;
|
|
|
|
if (c++ >= FOLLOW_MAX)
|
|
return -ELOOP;
|
|
|
|
/* Add the file name we are currently looking at to
|
|
* the names of this unit */
|
|
name = file_name_from_path(*filename);
|
|
if (!(id = set_get(names, name))) {
|
|
|
|
if (!(id = strdup(name)))
|
|
return -ENOMEM;
|
|
|
|
if ((r = set_put(names, id)) < 0) {
|
|
free(id);
|
|
return r;
|
|
}
|
|
}
|
|
|
|
/* Try to open the file name, but don't if its a symlink */
|
|
if ((fd = open(*filename, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW)) >= 0)
|
|
break;
|
|
|
|
if (errno != ELOOP)
|
|
return -errno;
|
|
|
|
/* Hmm, so this is a symlink. Let's read the name, and follow it manually */
|
|
if ((r = readlink_malloc(*filename, &target)) < 0)
|
|
return r;
|
|
|
|
k = file_in_same_dir(*filename, target);
|
|
free(target);
|
|
|
|
if (!k)
|
|
return -ENOMEM;
|
|
|
|
free(*filename);
|
|
*filename = k;
|
|
}
|
|
|
|
if (!(f = fdopen(fd, "r"))) {
|
|
r = -errno;
|
|
assert(close_nointr(fd) == 0);
|
|
return r;
|
|
}
|
|
|
|
*_f = f;
|
|
*_id = id;
|
|
return 0;
|
|
}
|
|
|
|
static int load_from_path(Unit *u, const char *path) {
|
|
|
|
static const char* const section_table[_UNIT_TYPE_MAX] = {
|
|
[UNIT_SERVICE] = "Service",
|
|
[UNIT_TIMER] = "Timer",
|
|
[UNIT_SOCKET] = "Socket",
|
|
[UNIT_TARGET] = "Target",
|
|
[UNIT_DEVICE] = "Device",
|
|
[UNIT_MOUNT] = "Mount",
|
|
[UNIT_AUTOMOUNT] = "Automount",
|
|
[UNIT_SNAPSHOT] = "Snapshot"
|
|
};
|
|
|
|
#define EXEC_CONTEXT_CONFIG_ITEMS(context, section) \
|
|
{ "Directory", config_parse_path, &(context).directory, section }, \
|
|
{ "User", config_parse_string, &(context).user, section }, \
|
|
{ "Group", config_parse_string, &(context).group, section }, \
|
|
{ "SupplementaryGroups", config_parse_strv, &(context).supplementary_groups, section }, \
|
|
{ "Nice", config_parse_nice, &(context), section }, \
|
|
{ "OOMAdjust", config_parse_oom_adjust, &(context), section }, \
|
|
{ "UMask", config_parse_umask, &(context).umask, section }, \
|
|
{ "Environment", config_parse_strv, &(context).environment, section }, \
|
|
{ "Output", config_parse_output, &(context).output, section }, \
|
|
{ "SyslogIdentifier", config_parse_string, &(context).syslog_identifier, section }, \
|
|
{ "SyslogFacility", config_parse_facility, &(context).syslog_priority, section }, \
|
|
{ "SyslogLevel", config_parse_level, &(context).syslog_priority, section }
|
|
|
|
const ConfigItem items[] = {
|
|
{ "Names", config_parse_names, u, "Meta" },
|
|
{ "Description", config_parse_string, &u->meta.description, "Meta" },
|
|
{ "Requires", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES), "Meta" },
|
|
{ "SoftRequires", config_parse_deps, UINT_TO_PTR(UNIT_SOFT_REQUIRES), "Meta" },
|
|
{ "Wants", config_parse_deps, UINT_TO_PTR(UNIT_WANTS), "Meta" },
|
|
{ "Requisite", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE), "Meta" },
|
|
{ "SoftRequisite", config_parse_deps, UINT_TO_PTR(UNIT_SOFT_REQUISITE), "Meta" },
|
|
{ "Conflicts", config_parse_deps, UINT_TO_PTR(UNIT_CONFLICTS), "Meta" },
|
|
{ "Before", config_parse_deps, UINT_TO_PTR(UNIT_BEFORE), "Meta" },
|
|
{ "After", config_parse_deps, UINT_TO_PTR(UNIT_AFTER), "Meta" },
|
|
|
|
{ "PIDFile", config_parse_path, &u->service.pid_file, "Service" },
|
|
{ "ExecStartPre", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_PRE, "Service" },
|
|
{ "ExecStart", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START, "Service" },
|
|
{ "ExecStartPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_POST, "Service" },
|
|
{ "ExecReload", config_parse_exec, u->service.exec_command+SERVICE_EXEC_RELOAD, "Service" },
|
|
{ "ExecStop", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP, "Service" },
|
|
{ "ExecStopPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP_POST, "Service" },
|
|
{ "RestartSec", config_parse_usec, &u->service.restart_usec, "Service" },
|
|
{ "TimeoutSec", config_parse_usec, &u->service.timeout_usec, "Service" },
|
|
{ "Type", config_parse_service_type, &u->service, "Service" },
|
|
{ "Restart", config_parse_service_restart, &u->service, "Service" },
|
|
EXEC_CONTEXT_CONFIG_ITEMS(u->service.exec_context, "Service"),
|
|
|
|
{ "ListenStream", config_parse_listen, &u->socket, "Socket" },
|
|
{ "ListenDatagram", config_parse_listen, &u->socket, "Socket" },
|
|
{ "ListenSequentialPacket", config_parse_listen, &u->socket, "Socket" },
|
|
{ "ListenFIFO", config_parse_listen, &u->socket, "Socket" },
|
|
{ "BindIPv6Only", config_parse_socket_bind, &u->socket, "Socket" },
|
|
{ "Backlog", config_parse_unsigned, &u->socket.backlog, "Socket" },
|
|
{ "BindToDevice", config_parse_bindtodevice, &u->socket, "Socket" },
|
|
{ "ExecStartPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_PRE, "Socket" },
|
|
{ "ExecStartPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_POST, "Socket" },
|
|
{ "ExecStopPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_PRE, "Socket" },
|
|
{ "ExecStopPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_POST, "Socket" },
|
|
EXEC_CONTEXT_CONFIG_ITEMS(u->socket.exec_context, "Socket"),
|
|
|
|
EXEC_CONTEXT_CONFIG_ITEMS(u->automount.exec_context, "Automount"),
|
|
|
|
{ NULL, NULL, NULL, NULL }
|
|
};
|
|
|
|
#undef EXEC_CONTEXT_CONFIG_ITEMS
|
|
|
|
const char *sections[3];
|
|
char *k;
|
|
int r;
|
|
Set *symlink_names;
|
|
FILE *f;
|
|
char *filename, *id;
|
|
|
|
sections[0] = "Meta";
|
|
sections[1] = section_table[u->meta.type];
|
|
sections[2] = NULL;
|
|
|
|
if (!(symlink_names = set_new(string_hash_func, string_compare_func)))
|
|
return -ENOMEM;
|
|
|
|
/* Instead of opening the path right away, we manually
|
|
* follow all symlinks and add their name to our unit
|
|
* name set while doing so */
|
|
if (!(filename = path_make_absolute(path, unit_path()))) {
|
|
r = -ENOMEM;
|
|
goto finish;
|
|
}
|
|
|
|
if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) {
|
|
if (r == -ENOENT)
|
|
r = 0; /* returning 0 means: no suitable config file found */
|
|
|
|
goto finish;
|
|
}
|
|
|
|
/* Now, parse the file contents */
|
|
r = config_parse(filename, f, sections, items, u);
|
|
if (r < 0)
|
|
goto finish;
|
|
|
|
/* Let's try to add in all symlink names we found */
|
|
while ((k = set_steal_first(symlink_names))) {
|
|
if ((r = unit_add_name(u, k)) < 0)
|
|
goto finish;
|
|
|
|
if (id == k)
|
|
assert_se(u->meta.id = set_get(u->meta.names, k));
|
|
|
|
free(k);
|
|
}
|
|
|
|
free(u->meta.load_path);
|
|
u->meta.load_path = filename;
|
|
filename = NULL;
|
|
|
|
r = 1; /* returning 1 means: suitable config file found and loaded */
|
|
|
|
finish:
|
|
while ((k = set_steal_first(symlink_names)))
|
|
free(k);
|
|
set_free(symlink_names);
|
|
free(filename);
|
|
|
|
return r;
|
|
}
|
|
|
|
int unit_load_fragment(Unit *u) {
|
|
int r = 0;
|
|
ExecContext *c;
|
|
|
|
assert(u);
|
|
assert(u->meta.load_state == UNIT_STUB);
|
|
|
|
if (u->meta.load_path)
|
|
r = load_from_path(u, u->meta.load_path);
|
|
else {
|
|
Iterator i;
|
|
char *t;
|
|
|
|
/* Try to find a name we can load this with */
|
|
SET_FOREACH(t, u->meta.names, i)
|
|
if ((r = load_from_path(u, t)) != 0)
|
|
return r;
|
|
}
|
|
|
|
if (u->meta.type == UNIT_SOCKET)
|
|
c = &u->socket.exec_context;
|
|
else if (u->meta.type == UNIT_SERVICE)
|
|
c = &u->service.exec_context;
|
|
else
|
|
c = NULL;
|
|
|
|
if (r >= 0 && c &&
|
|
(c->output == EXEC_KERNEL || c->output == EXEC_SYSLOG)) {
|
|
int k;
|
|
|
|
/* If syslog or kernel logging is requested, make sure
|
|
* our own logging daemon is run first. */
|
|
|
|
if ((k = unit_add_dependency(u, UNIT_AFTER, u->meta.manager->special_units[SPECIAL_LOGGER_SOCKET])) < 0)
|
|
return k;
|
|
|
|
if ((k = unit_add_dependency(u, UNIT_REQUIRES, u->meta.manager->special_units[SPECIAL_LOGGER_SOCKET])) < 0)
|
|
return k;
|
|
}
|
|
|
|
return r;
|
|
}
|