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-rw-r--r--load-fragment.c1483
1 files changed, 0 insertions, 1483 deletions
diff --git a/load-fragment.c b/load-fragment.c
deleted file mode 100644
index 148a579d99..0000000000
--- a/load-fragment.c
+++ /dev/null
@@ -1,1483 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8 -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2010 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <linux/oom.h>
-#include <assert.h>
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sched.h>
-#include <sys/prctl.h>
-#include <sys/mount.h>
-#include <linux/fs.h>
-
-#include "unit.h"
-#include "strv.h"
-#include "conf-parser.h"
-#include "load-fragment.h"
-#include "log.h"
-#include "ioprio.h"
-#include "securebits.h"
-#include "missing.h"
-#include "unit-name.h"
-
-#define DEFINE_CONFIG_PARSE_ENUM(function,name,type,msg) \
- static int function( \
- const char *filename, \
- unsigned line, \
- const char *section, \
- const char *lvalue, \
- const char *rvalue, \
- void *data, \
- void *userdata) { \
- \
- type *i = data, x; \
- \
- assert(filename); \
- assert(lvalue); \
- assert(rvalue); \
- assert(data); \
- \
- if ((x = name##_from_string(rvalue)) < 0) { \
- log_error("[%s:%u] " msg ": %s", filename, line, rvalue); \
- return -EBADMSG; \
- } \
- \
- *i = x; \
- \
- return 0; \
- }
-
-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, *k;
- int r;
-
- if (!(t = strndup(w, l)))
- return -ENOMEM;
-
- k = unit_name_printf(u, t);
- free(t);
-
- if (!k)
- return -ENOMEM;
-
- r = unit_add_dependency_by_name(u, d, k, NULL, true);
- free(k);
-
- if (r < 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, *k;
- int r;
-
- if (!(t = strndup(w, l)))
- return -ENOMEM;
-
- k = unit_name_printf(u, t);
- free(t);
-
- if (!k)
- return -ENOMEM;
-
- r = unit_merge_by_name(u, k);
- free(k);
-
- if (r < 0)
- return r;
- }
-
- return 0;
-}
-
-static int config_parse_description(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- Unit *u = userdata;
- char *k;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if (!(k = unit_full_printf(u, rvalue)))
- return -ENOMEM;
-
- free(u->meta.description);
-
- if (*k)
- u->meta.description = k;
- else {
- free(k);
- u->meta.description = NULL;
- }
-
- 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_mode(
- 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 mode value: %s", filename, line, rvalue);
- return errno ? -errno : -EINVAL;
- }
-
- if (l < 0000 || l > 07777) {
- log_error("[%s:%u] mode 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, *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;
-
- exec_command_append_list(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;
- int r;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if ((r = parse_usec(rvalue, usec)) < 0) {
- log_error("[%s:%u] Failed to parse time value: %s", filename, line, rvalue);
- return r;
- }
-
- return 0;
-}
-
-DEFINE_CONFIG_PARSE_ENUM(config_parse_service_type, service_type, ServiceType, "Failed to parse service type");
-DEFINE_CONFIG_PARSE_ENUM(config_parse_service_restart, service_restart, ServiceRestart, "Failed to parse service restart specifier");
-
-static 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;
-}
-
-DEFINE_CONFIG_PARSE_ENUM(config_parse_output, exec_output, ExecOutput, "Failed to parse output specifier");
-DEFINE_CONFIG_PARSE_ENUM(config_parse_input, exec_input, ExecInput, "Failed to parse input specifier");
-
-static int config_parse_facility(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- const char *rvalue,
- void *data,
- void *userdata) {
-
-
- int *o = data, x;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if ((x = log_facility_from_string(rvalue)) < 0) {
- log_error("[%s:%u] Failed to parse log facility: %s", filename, line, rvalue);
- return -EBADMSG;
- }
-
- *o = LOG_MAKEPRI(x, LOG_PRI(*o));
-
- return 0;
-}
-
-static int config_parse_level(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- const char *rvalue,
- void *data,
- void *userdata) {
-
-
- int *o = data, x;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if ((x = log_level_from_string(rvalue)) < 0) {
- log_error("[%s:%u] Failed to parse log level: %s", filename, line, rvalue);
- return -EBADMSG;
- }
-
- *o = LOG_MAKEPRI(LOG_FAC(*o), x);
- return 0;
-}
-
-static int config_parse_io_class(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- ExecContext *c = data;
- int x;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if ((x = ioprio_class_from_string(rvalue)) < 0) {
- log_error("[%s:%u] Failed to parse IO scheduling class: %s", filename, line, rvalue);
- return -EBADMSG;
- }
-
- c->ioprio = IOPRIO_PRIO_VALUE(x, IOPRIO_PRIO_DATA(c->ioprio));
- c->ioprio_set = true;
-
- return 0;
-}
-
-static int config_parse_io_priority(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- ExecContext *c = data;
- int i;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if (safe_atoi(rvalue, &i) < 0 || i < 0 || i >= IOPRIO_BE_NR) {
- log_error("[%s:%u] Failed to parse io priority: %s", filename, line, rvalue);
- return -EBADMSG;
- }
-
- c->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_PRIO_CLASS(c->ioprio), i);
- c->ioprio_set = true;
-
- return 0;
-}
-
-static int config_parse_cpu_sched_policy(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- const char *rvalue,
- void *data,
- void *userdata) {
-
-
- ExecContext *c = data;
- int x;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if ((x = sched_policy_from_string(rvalue)) < 0) {
- log_error("[%s:%u] Failed to parse CPU scheduling policy: %s", filename, line, rvalue);
- return -EBADMSG;
- }
-
- c->cpu_sched_policy = x;
- c->cpu_sched_set = true;
-
- return 0;
-}
-
-static int config_parse_cpu_sched_prio(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- ExecContext *c = data;
- int i;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- /* On Linux RR/FIFO have the same range */
- if (safe_atoi(rvalue, &i) < 0 || i < sched_get_priority_min(SCHED_RR) || i > sched_get_priority_max(SCHED_RR)) {
- log_error("[%s:%u] Failed to parse CPU scheduling priority: %s", filename, line, rvalue);
- return -EBADMSG;
- }
-
- c->cpu_sched_priority = i;
- c->cpu_sched_set = true;
-
- return 0;
-}
-
-static int config_parse_cpu_affinity(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- ExecContext *c = data;
- 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;
- unsigned cpu;
-
- if (!(t = strndup(w, l)))
- return -ENOMEM;
-
- r = safe_atou(t, &cpu);
- free(t);
-
- if (r < 0 || cpu >= CPU_SETSIZE) {
- log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue);
- return -EBADMSG;
- }
-
- CPU_SET(cpu, &c->cpu_affinity);
- }
-
- c->cpu_affinity_set = true;
-
- return 0;
-}
-
-static int config_parse_capabilities(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- ExecContext *c = data;
- cap_t cap;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if (!(cap = cap_from_text(rvalue))) {
- if (errno == ENOMEM)
- return -ENOMEM;
-
- log_error("[%s:%u] Failed to parse capabilities: %s", filename, line, rvalue);
- return -EBADMSG;
- }
-
- if (c->capabilities)
- cap_free(c->capabilities);
- c->capabilities = cap;
-
- return 0;
-}
-
-static int config_parse_secure_bits(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- ExecContext *c = data;
- char *w;
- size_t l;
- char *state;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- FOREACH_WORD(w, l, rvalue, state) {
- if (first_word(w, "keep-caps"))
- c->secure_bits |= SECURE_KEEP_CAPS;
- else if (first_word(w, "keep-caps-locked"))
- c->secure_bits |= SECURE_KEEP_CAPS_LOCKED;
- else if (first_word(w, "no-setuid-fixup"))
- c->secure_bits |= SECURE_NO_SETUID_FIXUP;
- else if (first_word(w, "no-setuid-fixup-locked"))
- c->secure_bits |= SECURE_NO_SETUID_FIXUP_LOCKED;
- else if (first_word(w, "noroot"))
- c->secure_bits |= SECURE_NOROOT;
- else if (first_word(w, "noroot-locked"))
- c->secure_bits |= SECURE_NOROOT_LOCKED;
- else {
- log_error("[%s:%u] Failed to parse secure bits: %s", filename, line, rvalue);
- return -EBADMSG;
- }
- }
-
- return 0;
-}
-
-static int config_parse_bounding_set(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- ExecContext *c = data;
- 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;
- cap_value_t cap;
-
- if (!(t = strndup(w, l)))
- return -ENOMEM;
-
- r = cap_from_name(t, &cap);
- free(t);
-
- if (r < 0) {
- log_error("[%s:%u] Failed to parse capability bounding set: %s", filename, line, rvalue);
- return -EBADMSG;
- }
-
- c->capability_bounding_set_drop |= 1 << cap;
- }
-
- return 0;
-}
-
-static int config_parse_timer_slack_ns(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- ExecContext *c = data;
- unsigned long u;
- int r;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if ((r = safe_atolu(rvalue, &u)) < 0) {
- log_error("[%s:%u] Failed to parse time slack value: %s", filename, line, rvalue);
- return r;
- }
-
- c->timer_slack_ns = u;
-
- return 0;
-}
-
-static int config_parse_limit(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- struct rlimit **rl = 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 resource value: %s", filename, line, rvalue);
- return r;
- }
-
- if (!*rl)
- if (!(*rl = new(struct rlimit, 1)))
- return -ENOMEM;
-
- (*rl)->rlim_cur = (*rl)->rlim_max = (rlim_t) u;
- return 0;
-}
-
-static int config_parse_cgroup(
- 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;
-
- FOREACH_WORD(w, l, rvalue, state) {
- char *t;
- int r;
-
- if (!(t = strndup(w, l)))
- return -ENOMEM;
-
- r = unit_add_cgroup_from_text(u, t);
- free(t);
-
- if (r < 0)
- return r;
- }
-
- return 0;
-}
-
-static int config_parse_sysv_priority(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- int *priority = data;
- int r, i;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if ((r = safe_atoi(rvalue, &i)) < 0 || i < 0) {
- log_error("[%s:%u] Failed to parse SysV start priority: %s", filename, line, rvalue);
- return r;
- }
-
- *priority = (int) i;
- return 0;
-}
-
-DEFINE_CONFIG_PARSE_ENUM(config_parse_kill_mode, kill_mode, KillMode, "Failed to parse kill mode");
-
-static int config_parse_mount_flags(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- ExecContext *c = data;
- char *w;
- size_t l;
- char *state;
- unsigned long flags = 0;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- FOREACH_WORD(w, l, rvalue, state) {
- if (strncmp(w, "shared", l) == 0)
- flags |= MS_SHARED;
- else if (strncmp(w, "slave", l) == 0)
- flags |= MS_SLAVE;
- else if (strncmp(w, "private", l) == 0)
- flags |= MS_PRIVATE;
- else {
- log_error("[%s:%u] Failed to parse mount flags: %s", filename, line, rvalue);
- return -EINVAL;
- }
- }
-
- c->mount_flags = flags;
- return 0;
-}
-
-#define FOLLOW_MAX 8
-
-static int open_follow(char **filename, FILE **_f, Set *names, char **_final) {
- 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;
-
- path_kill_slashes(*filename);
-
- /* 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;
- close_nointr_nofail(fd);
- return r;
- }
-
- *_f = f;
- *_final = id;
- return 0;
-}
-
-static int merge_by_names(Unit **u, Set *names, const char *id) {
- char *k;
- int r;
-
- assert(u);
- assert(*u);
- assert(names);
-
- /* Let's try to add in all symlink names we found */
- while ((k = set_steal_first(names))) {
-
- /* First try to merge in the other name into our
- * unit */
- if ((r = unit_merge_by_name(*u, k)) < 0) {
- Unit *other;
-
- /* Hmm, we couldn't merge the other unit into
- * ours? Then let's try it the other way
- * round */
-
- other = manager_get_unit((*u)->meta.manager, k);
- free(k);
-
- if (other)
- if ((r = unit_merge(other, *u)) >= 0) {
- *u = other;
- return merge_by_names(u, names, NULL);
- }
-
- return r;
- }
-
- if (id == k)
- unit_choose_id(*u, id);
-
- free(k);
- }
-
- return 0;
-}
-
-static void dump_items(FILE *f, const ConfigItem *items) {
- const ConfigItem *i;
- const char *prev_section = NULL;
- bool not_first = false;
-
- struct {
- ConfigParserCallback callback;
- const char *rvalue;
- } table[] = {
- { config_parse_int, "INTEGER" },
- { config_parse_unsigned, "UNSIGNED" },
- { config_parse_size, "SIZE" },
- { config_parse_bool, "BOOLEAN" },
- { config_parse_string, "STRING" },
- { config_parse_path, "PATH" },
- { config_parse_strv, "STRING [...]" },
- { config_parse_nice, "NICE" },
- { config_parse_oom_adjust, "OOMADJUST" },
- { config_parse_io_class, "IOCLASS" },
- { config_parse_io_priority, "IOPRIORITY" },
- { config_parse_cpu_sched_policy, "CPUSCHEDPOLICY" },
- { config_parse_cpu_sched_prio, "CPUSCHEDPRIO" },
- { config_parse_cpu_affinity, "CPUAFFINITY" },
- { config_parse_mode, "MODE" },
- { config_parse_output, "OUTPUT" },
- { config_parse_input, "INPUT" },
- { config_parse_facility, "FACILITY" },
- { config_parse_level, "LEVEL" },
- { config_parse_capabilities, "CAPABILITIES" },
- { config_parse_secure_bits, "SECUREBITS" },
- { config_parse_bounding_set, "BOUNDINGSET" },
- { config_parse_timer_slack_ns, "TIMERSLACK" },
- { config_parse_limit, "LIMIT" },
- { config_parse_cgroup, "CGROUP [...]" },
- { config_parse_deps, "UNIT [...]" },
- { config_parse_names, "UNIT [...]" },
- { config_parse_exec, "PATH [ARGUMENT [...]]" },
- { config_parse_service_type, "SERVICETYPE" },
- { config_parse_service_restart, "SERVICERESTART" },
- { config_parse_sysv_priority, "SYSVPRIORITY" },
- { config_parse_kill_mode, "KILLMODE" },
- { config_parse_listen, "SOCKET [...]" },
- { config_parse_socket_bind, "SOCKETBIND" },
- { config_parse_bindtodevice, "NETWORKINTERFACE" },
- { config_parse_usec, "SECONDS" },
- { config_parse_path_strv, "PATH [...]" },
- { config_parse_mount_flags, "MOUNTFLAG [...]" },
- { config_parse_description, "DESCRIPTION" },
- };
-
- assert(f);
- assert(items);
-
- for (i = items; i->lvalue; i++) {
- unsigned j;
- const char *rvalue = "OTHER";
-
- if (!streq_ptr(i->section, prev_section)) {
- if (!not_first)
- not_first = true;
- else
- fputc('\n', f);
-
- fprintf(f, "[%s]\n", i->section);
- prev_section = i->section;
- }
-
- for (j = 0; j < ELEMENTSOF(table); j++)
- if (i->parse == table[j].callback) {
- rvalue = table[j].rvalue;
- break;
- }
-
- fprintf(f, "%s=%s\n", i->lvalue, rvalue);
- }
-}
-
-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",
- [UNIT_SWAP] = "Swap"
- };
-
-#define EXEC_CONTEXT_CONFIG_ITEMS(context, section) \
- { "WorkingDirectory", config_parse_path, &(context).working_directory, section }, \
- { "RootDirectory", config_parse_path, &(context).root_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 }, \
- { "IOSchedulingClass", config_parse_io_class, &(context), section }, \
- { "IOSchedulingPriority", config_parse_io_priority, &(context), section }, \
- { "CPUSchedulingPolicy", config_parse_cpu_sched_policy,&(context), section }, \
- { "CPUSchedulingPriority", config_parse_cpu_sched_prio, &(context), section }, \
- { "CPUSchedulingResetOnFork", config_parse_bool, &(context).cpu_sched_reset_on_fork, section }, \
- { "CPUAffinity", config_parse_cpu_affinity, &(context), section }, \
- { "UMask", config_parse_mode, &(context).umask, section }, \
- { "Environment", config_parse_strv, &(context).environment, section }, \
- { "StandardInput", config_parse_input, &(context).std_input, section }, \
- { "StandardOutput", config_parse_output, &(context).std_output, section }, \
- { "StandardError", config_parse_output, &(context).std_output, section }, \
- { "TTYPath", config_parse_path, &(context).tty_path, 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 }, \
- { "SyslogNoPrefix", config_parse_bool, &(context).syslog_no_prefix, section }, \
- { "Capabilities", config_parse_capabilities, &(context), section }, \
- { "SecureBits", config_parse_secure_bits, &(context), section }, \
- { "CapabilityBoundingSetDrop", config_parse_bounding_set, &(context), section }, \
- { "TimerSlackNS", config_parse_timer_slack_ns, &(context), section }, \
- { "LimitCPU", config_parse_limit, &(context).rlimit[RLIMIT_CPU], section }, \
- { "LimitFSIZE", config_parse_limit, &(context).rlimit[RLIMIT_FSIZE], section }, \
- { "LimitDATA", config_parse_limit, &(context).rlimit[RLIMIT_DATA], section }, \
- { "LimitSTACK", config_parse_limit, &(context).rlimit[RLIMIT_STACK], section }, \
- { "LimitCORE", config_parse_limit, &(context).rlimit[RLIMIT_CORE], section }, \
- { "LimitRSS", config_parse_limit, &(context).rlimit[RLIMIT_RSS], section }, \
- { "LimitNOFILE", config_parse_limit, &(context).rlimit[RLIMIT_NOFILE], section }, \
- { "LimitAS", config_parse_limit, &(context).rlimit[RLIMIT_AS], section }, \
- { "LimitNPROC", config_parse_limit, &(context).rlimit[RLIMIT_NPROC], section }, \
- { "LimitMEMLOCK", config_parse_limit, &(context).rlimit[RLIMIT_MEMLOCK], section }, \
- { "LimitLOCKS", config_parse_limit, &(context).rlimit[RLIMIT_LOCKS], section }, \
- { "LimitSIGPENDING", config_parse_limit, &(context).rlimit[RLIMIT_SIGPENDING], section }, \
- { "LimitMSGQUEUE", config_parse_limit, &(context).rlimit[RLIMIT_MSGQUEUE], section }, \
- { "LimitNICE", config_parse_limit, &(context).rlimit[RLIMIT_NICE], section }, \
- { "LimitRTPRIO", config_parse_limit, &(context).rlimit[RLIMIT_RTPRIO], section }, \
- { "LimitRTTIME", config_parse_limit, &(context).rlimit[RLIMIT_RTTIME], section }, \
- { "ControlGroup", config_parse_cgroup, u, section }, \
- { "ReadWriteDirectories", config_parse_path_strv, &(context).read_write_dirs, section }, \
- { "ReadOnlyDirectories", config_parse_path_strv, &(context).read_only_dirs, section }, \
- { "InaccessibleDirectories",config_parse_path_strv, &(context).inaccessible_dirs, section }, \
- { "PrivateTmp", config_parse_bool, &(context).private_tmp, section }, \
- { "MountFlags", config_parse_mount_flags, &(context), section }
-
- const ConfigItem items[] = {
- { "Names", config_parse_names, u, "Unit" },
- { "Description", config_parse_description, u, "Unit" },
- { "Requires", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES), "Unit" },
- { "RequiresOverridable", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES_OVERRIDABLE), "Unit" },
- { "Requisite", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE), "Unit" },
- { "RequisiteOverridable", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE_OVERRIDABLE), "Unit" },
- { "Wants", config_parse_deps, UINT_TO_PTR(UNIT_WANTS), "Unit" },
- { "Conflicts", config_parse_deps, UINT_TO_PTR(UNIT_CONFLICTS), "Unit" },
- { "Before", config_parse_deps, UINT_TO_PTR(UNIT_BEFORE), "Unit" },
- { "After", config_parse_deps, UINT_TO_PTR(UNIT_AFTER), "Unit" },
- { "RecursiveStop", config_parse_bool, &u->meta.recursive_stop, "Unit" },
- { "StopWhenUnneeded", config_parse_bool, &u->meta.stop_when_unneeded, "Unit" },
-
- { "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.type, "Service" },
- { "Restart", config_parse_service_restart, &u->service.restart, "Service" },
- { "PermissionsStartOnly", config_parse_bool, &u->service.permissions_start_only, "Service" },
- { "RootDirectoryStartOnly", config_parse_bool, &u->service.root_directory_start_only, "Service" },
- { "ValidNoProcess", config_parse_bool, &u->service.valid_no_process, "Service" },
- { "SysVStartPriority", config_parse_sysv_priority, &u->service.sysv_start_priority, "Service" },
- { "KillMode", config_parse_kill_mode, &u->service.kill_mode, "Service" },
- { "NonBlocking", config_parse_bool, &u->service.exec_context.non_blocking, "Service" },
- { "BusName", config_parse_string, &u->service.bus_name, "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" },
- { "TimeoutSec", config_parse_usec, &u->socket.timeout_usec, "Socket" },
- { "DirectoryMode", config_parse_mode, &u->socket.directory_mode, "Socket" },
- { "SocketMode", config_parse_mode, &u->socket.socket_mode, "Socket" },
- { "KillMode", config_parse_kill_mode, &u->socket.kill_mode, "Socket" },
- { "Accept", config_parse_bool, &u->socket.accept, "Socket" },
- EXEC_CONTEXT_CONFIG_ITEMS(u->socket.exec_context, "Socket"),
-
- { "What", config_parse_string, &u->mount.parameters_fragment.what, "Mount" },
- { "Where", config_parse_path, &u->mount.where, "Mount" },
- { "Options", config_parse_string, &u->mount.parameters_fragment.options, "Mount" },
- { "Type", config_parse_string, &u->mount.parameters_fragment.fstype, "Mount" },
- { "TimeoutSec", config_parse_usec, &u->mount.timeout_usec, "Mount" },
- { "KillMode", config_parse_kill_mode, &u->mount.kill_mode, "Mount" },
- EXEC_CONTEXT_CONFIG_ITEMS(u->mount.exec_context, "Mount"),
-
- { "Where", config_parse_path, &u->automount.where, "Automount" },
-
- { "What", config_parse_path, &u->swap.parameters_fragment.what, "Swap" },
- { "Priority", config_parse_int, &u->swap.parameters_fragment.priority, "Swap" },
-
- { NULL, NULL, NULL, NULL }
- };
-
-#undef EXEC_CONTEXT_CONFIG_ITEMS
-
- const char *sections[3];
- char *k;
- int r;
- Set *symlink_names;
- FILE *f = NULL;
- char *filename = NULL, *id = NULL;
- Unit *merged;
-
- if (!u) {
- /* Dirty dirty hack. */
- dump_items((FILE*) path, items);
- return 0;
- }
-
- assert(u);
- assert(path);
-
- sections[0] = "Unit";
- sections[1] = section_table[u->meta.type];
- sections[2] = NULL;
-
- if (!(symlink_names = set_new(string_hash_func, string_compare_func)))
- return -ENOMEM;
-
- if (path_is_absolute(path)) {
-
- if (!(filename = strdup(path))) {
- r = -ENOMEM;
- goto finish;
- }
-
- if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) {
- free(filename);
- filename = NULL;
-
- if (r != -ENOENT)
- goto finish;
- }
-
- } else {
- char **p;
-
- STRV_FOREACH(p, u->meta.manager->unit_path) {
-
- /* 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, *p))) {
- r = -ENOMEM;
- goto finish;
- }
-
- if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) {
- char *sn;
-
- free(filename);
- filename = NULL;
-
- if (r != -ENOENT)
- goto finish;
-
- /* Empty the symlink names for the next run */
- while ((sn = set_steal_first(symlink_names)))
- free(sn);
-
- continue;
- }
-
- break;
- }
- }
-
- if (!filename) {
- r = 0;
- goto finish;
- }
-
- merged = u;
- if ((r = merge_by_names(&merged, symlink_names, id)) < 0)
- goto finish;
-
- if (merged != u) {
- u->meta.load_state = UNIT_MERGED;
- r = 0;
- goto finish;
- }
-
- /* Now, parse the file contents */
- if ((r = config_parse(filename, f, sections, items, u)) < 0)
- goto finish;
-
- free(u->meta.fragment_path);
- u->meta.fragment_path = filename;
- filename = NULL;
-
- u->meta.load_state = UNIT_LOADED;
- r = 0;
-
-finish:
- while ((k = set_steal_first(symlink_names)))
- free(k);
-
- set_free(symlink_names);
- free(filename);
-
- if (f)
- fclose(f);
-
- return r;
-}
-
-int unit_load_fragment(Unit *u) {
- int r;
-
- assert(u);
-
- if (u->meta.fragment_path) {
-
- if ((r = load_from_path(u, u->meta.fragment_path)) < 0)
- return r;
-
- } else {
- Iterator i;
- const char *t;
-
- /* Try to find the unit under its id */
- if ((r = load_from_path(u, u->meta.id)) < 0)
- return r;
-
- /* Try to find an alias we can load this with */
- if (u->meta.load_state == UNIT_STUB)
- SET_FOREACH(t, u->meta.names, i) {
-
- if (t == u->meta.id)
- continue;
-
- if ((r = load_from_path(u, t)) < 0)
- return r;
-
- if (u->meta.load_state != UNIT_STUB)
- break;
- }
-
- /* Now, follow the same logic, but look for a template */
- if (u->meta.load_state == UNIT_STUB && u->meta.instance) {
- char *k;
-
- if (!(k = unit_name_template(u->meta.id)))
- return -ENOMEM;
-
- r = load_from_path(u, k);
- free(k);
-
- if (r < 0)
- return r;
-
- if (u->meta.load_state == UNIT_STUB)
- SET_FOREACH(t, u->meta.names, i) {
-
- if (t == u->meta.id)
- continue;
-
- if (!(k = unit_name_template(t)))
- return -ENOMEM;
-
- r = load_from_path(u, k);
- free(k);
-
- if (r < 0)
- return r;
-
- if (u->meta.load_state != UNIT_STUB)
- break;
- }
- }
- }
-
- return 0;
-}
-
-void unit_dump_config_items(FILE *f) {
- /* OK, this wins a prize for extreme ugliness. */
-
- load_from_path(NULL, (const void*) f);
-}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-17 20:42:32 +0000