summaryrefslogtreecommitdiff
path: root/src/libcore/load-fragment.c
diff options
context:
space:
mode:
authorLuke Shumaker <lukeshu@sbcglobal.net>2016-06-01 15:25:37 -0400
committerLuke Shumaker <lukeshu@sbcglobal.net>2016-06-01 15:25:37 -0400
commitaed55ee5932c11a7bead1d0d727dd60c8bb1528e (patch)
treebe8ba56ef6a0cafaca6c8d4dac3eea791f9b32d0 /src/libcore/load-fragment.c
parent2ed13bce1704bfb3f9b80134acc25cbf091b530e (diff)
./move.sh
Diffstat (limited to 'src/libcore/load-fragment.c')
-rw-r--r--src/libcore/load-fragment.c3939
1 files changed, 3939 insertions, 0 deletions
diff --git a/src/libcore/load-fragment.c b/src/libcore/load-fragment.c
new file mode 100644
index 0000000000..8804b3ac41
--- /dev/null
+++ b/src/libcore/load-fragment.c
@@ -0,0 +1,3939 @@
+/***
+ This file is part of systemd.
+
+ Copyright 2010 Lennart Poettering
+ Copyright 2012 Holger Hans Peter Freyther
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <errno.h>
+#include <fcntl.h>
+#include <linux/fs.h>
+#include <linux/oom.h>
+#ifdef HAVE_SECCOMP
+#include <seccomp.h>
+#endif
+#include <sched.h>
+#include <string.h>
+#include <sys/resource.h>
+#include <sys/stat.h>
+
+#include "af-list.h"
+#include "alloc-util.h"
+#include "bus-error.h"
+#include "bus-internal.h"
+#include "bus-util.h"
+#include "cap-list.h"
+#include "capability-util.h"
+#include "cgroup.h"
+#include "conf-parser.h"
+#include "cpu-set-util.h"
+#include "env-util.h"
+#include "errno-list.h"
+#include "escape.h"
+#include "fd-util.h"
+#include "fs-util.h"
+#include "ioprio.h"
+#include "load-fragment.h"
+#include "log.h"
+#include "missing.h"
+#include "parse-util.h"
+#include "path-util.h"
+#include "process-util.h"
+#include "rlimit-util.h"
+#ifdef HAVE_SECCOMP
+#include "seccomp-util.h"
+#endif
+#include "securebits.h"
+#include "signal-util.h"
+#include "stat-util.h"
+#include "string-util.h"
+#include "strv.h"
+#include "unit-name.h"
+#include "unit-printf.h"
+#include "unit.h"
+#include "utf8.h"
+#include "web-util.h"
+
+int config_parse_warn_compat(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+ Disabled reason = ltype;
+
+ switch(reason) {
+ case DISABLED_CONFIGURATION:
+ log_syntax(unit, LOG_DEBUG, filename, line, 0,
+ "Support for option %s= has been disabled at compile time and it is ignored", lvalue);
+ break;
+ case DISABLED_LEGACY:
+ log_syntax(unit, LOG_INFO, filename, line, 0,
+ "Support for option %s= has been removed and it is ignored", lvalue);
+ break;
+ case DISABLED_EXPERIMENTAL:
+ log_syntax(unit, LOG_INFO, filename, line, 0,
+ "Support for option %s= has not yet been enabled and it is ignored", lvalue);
+ break;
+ };
+
+ return 0;
+}
+
+int config_parse_unit_deps(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ UnitDependency d = ltype;
+ Unit *u = userdata;
+ const char *p;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ p = rvalue;
+ for(;;) {
+ _cleanup_free_ char *word = NULL, *k = NULL;
+ int r;
+
+ r = extract_first_word(&p, &word, NULL, EXTRACT_RETAIN_ESCAPE);
+ if (r == 0)
+ break;
+ if (r == -ENOMEM)
+ return log_oom();
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Invalid syntax, ignoring: %s", rvalue);
+ break;
+ }
+
+ r = unit_name_printf(u, word, &k);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %m");
+ continue;
+ }
+
+ r = unit_add_dependency_by_name(u, d, k, NULL, true);
+ if (r < 0)
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to add dependency on %s, ignoring: %m", k);
+ }
+
+ return 0;
+}
+
+int config_parse_obsolete_unit_deps(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ log_syntax(unit, LOG_WARNING, filename, line, 0,
+ "Unit dependency type %s= is obsolete, replacing by %s=, please update your unit file", lvalue, unit_dependency_to_string(ltype));
+
+ return config_parse_unit_deps(unit, filename, line, section, section_line, lvalue, ltype, rvalue, data, userdata);
+}
+
+int config_parse_unit_string_printf(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ _cleanup_free_ char *k = NULL;
+ Unit *u = userdata;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(u);
+
+ r = unit_full_printf(u, rvalue, &k);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers on %s, ignoring: %m", rvalue);
+ return 0;
+ }
+
+ return config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, k, data, userdata);
+}
+
+int config_parse_unit_strv_printf(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ Unit *u = userdata;
+ _cleanup_free_ char *k = NULL;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(u);
+
+ r = unit_full_printf(u, rvalue, &k);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers on %s, ignoring: %m", rvalue);
+ return 0;
+ }
+
+ return config_parse_strv(unit, filename, line, section, section_line, lvalue, ltype, k, data, userdata);
+}
+
+int config_parse_unit_path_printf(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ _cleanup_free_ char *k = NULL;
+ Unit *u = userdata;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(u);
+
+ r = unit_full_printf(u, rvalue, &k);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers on %s, ignoring: %m", rvalue);
+ return 0;
+ }
+
+ return config_parse_path(unit, filename, line, section, section_line, lvalue, ltype, k, data, userdata);
+}
+
+int config_parse_unit_path_strv_printf(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ char ***x = data;
+ const char *word, *state;
+ Unit *u = userdata;
+ size_t l;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(u);
+
+ FOREACH_WORD_QUOTED(word, l, rvalue, state) {
+ _cleanup_free_ char *k = NULL;
+ char t[l+1];
+
+ memcpy(t, word, l);
+ t[l] = 0;
+
+ r = unit_full_printf(u, t, &k);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers on %s, ignoring: %m", t);
+ return 0;
+ }
+
+ if (!utf8_is_valid(k)) {
+ log_syntax_invalid_utf8(unit, LOG_ERR, filename, line, rvalue);
+ return 0;
+ }
+
+ if (!path_is_absolute(k)) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Symlink path %s is not absolute, ignoring: %m", k);
+ return 0;
+ }
+
+ path_kill_slashes(k);
+
+ r = strv_push(x, k);
+ if (r < 0)
+ return log_oom();
+
+ k = NULL;
+ }
+ if (!isempty(state))
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid syntax, ignoring.");
+
+ return 0;
+}
+
+int config_parse_socket_listen(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ _cleanup_free_ SocketPort *p = NULL;
+ SocketPort *tail;
+ Socket *s;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ s = SOCKET(data);
+
+ if (isempty(rvalue)) {
+ /* An empty assignment removes all ports */
+ socket_free_ports(s);
+ return 0;
+ }
+
+ p = new0(SocketPort, 1);
+ if (!p)
+ return log_oom();
+
+ if (ltype != SOCKET_SOCKET) {
+
+ p->type = ltype;
+ r = unit_full_printf(UNIT(s), rvalue, &p->path);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers on %s, ignoring: %m", rvalue);
+ return 0;
+ }
+
+ path_kill_slashes(p->path);
+
+ } else if (streq(lvalue, "ListenNetlink")) {
+ _cleanup_free_ char *k = NULL;
+
+ p->type = SOCKET_SOCKET;
+ r = unit_full_printf(UNIT(s), rvalue, &k);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers on %s, ignoring: %m", rvalue);
+ return 0;
+ }
+
+ r = socket_address_parse_netlink(&p->address, k);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse address value, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ } else {
+ _cleanup_free_ char *k = NULL;
+
+ p->type = SOCKET_SOCKET;
+ r = unit_full_printf(UNIT(s), rvalue, &k);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r,"Failed to resolve unit specifiers on %s, ignoring: %m", rvalue);
+ return 0;
+ }
+
+ r = socket_address_parse_and_warn(&p->address, k);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse address value, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ 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) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Address family not supported, ignoring: %s", rvalue);
+ return 0;
+ }
+ }
+
+ p->fd = -1;
+ p->auxiliary_fds = NULL;
+ p->n_auxiliary_fds = 0;
+ p->socket = s;
+
+ if (s->ports) {
+ LIST_FIND_TAIL(port, s->ports, tail);
+ LIST_INSERT_AFTER(port, s->ports, tail, p);
+ } else
+ LIST_PREPEND(port, s->ports, p);
+ p = NULL;
+
+ return 0;
+}
+
+int config_parse_socket_protocol(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+ Socket *s;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ s = SOCKET(data);
+
+ if (streq(rvalue, "udplite"))
+ s->socket_protocol = IPPROTO_UDPLITE;
+ else if (streq(rvalue, "sctp"))
+ s->socket_protocol = IPPROTO_SCTP;
+ else {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Socket protocol not supported, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ return 0;
+}
+
+int config_parse_socket_bind(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ Socket *s;
+ SocketAddressBindIPv6Only b;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ s = SOCKET(data);
+
+ b = socket_address_bind_ipv6_only_from_string(rvalue);
+ if (b < 0) {
+ int r;
+
+ r = parse_boolean(rvalue);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse bind IPv6 only value, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ s->bind_ipv6_only = r ? SOCKET_ADDRESS_IPV6_ONLY : SOCKET_ADDRESS_BOTH;
+ } else
+ s->bind_ipv6_only = b;
+
+ return 0;
+}
+
+int config_parse_exec_nice(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ ExecContext *c = data;
+ int priority, r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ r = safe_atoi(rvalue, &priority);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse nice priority, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ if (priority < PRIO_MIN || priority >= PRIO_MAX) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Nice priority out of range, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ c->nice = priority;
+ c->nice_set = true;
+
+ return 0;
+}
+
+int config_parse_exec_oom_score_adjust(const char* unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ ExecContext *c = data;
+ int oa, r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ r = safe_atoi(rvalue, &oa);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse the OOM score adjust value, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ if (oa < OOM_SCORE_ADJ_MIN || oa > OOM_SCORE_ADJ_MAX) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "OOM score adjust value out of range, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ c->oom_score_adjust = oa;
+ c->oom_score_adjust_set = true;
+
+ return 0;
+}
+
+int config_parse_exec(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ ExecCommand **e = data;
+ const char *p;
+ bool semicolon;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(e);
+
+ e += ltype;
+ rvalue += strspn(rvalue, WHITESPACE);
+
+ if (isempty(rvalue)) {
+ /* An empty assignment resets the list */
+ *e = exec_command_free_list(*e);
+ return 0;
+ }
+
+ p = rvalue;
+ do {
+ _cleanup_free_ char *path = NULL, *firstword = NULL;
+ bool separate_argv0 = false, ignore = false;
+ _cleanup_free_ ExecCommand *nce = NULL;
+ _cleanup_strv_free_ char **n = NULL;
+ size_t nlen = 0, nbufsize = 0;
+ char *f;
+ int i;
+
+ semicolon = false;
+
+ r = extract_first_word_and_warn(&p, &firstword, WHITESPACE, EXTRACT_QUOTES|EXTRACT_CUNESCAPE, unit, filename, line, rvalue);
+ if (r <= 0)
+ return 0;
+
+ f = firstword;
+ for (i = 0; i < 2; i++) {
+ /* We accept an absolute path as first argument, or
+ * alternatively an absolute prefixed with @ to allow
+ * overriding of argv[0]. */
+ if (*f == '-' && !ignore)
+ ignore = true;
+ else if (*f == '@' && !separate_argv0)
+ separate_argv0 = true;
+ else
+ break;
+ f ++;
+ }
+
+ if (isempty(f)) {
+ /* First word is either "-" or "@" with no command. */
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Empty path in command line, ignoring: \"%s\"", rvalue);
+ return 0;
+ }
+ if (!string_is_safe(f)) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Executable path contains special characters, ignoring: %s", rvalue);
+ return 0;
+ }
+ if (!path_is_absolute(f)) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Executable path is not absolute, ignoring: %s", rvalue);
+ return 0;
+ }
+ if (endswith(f, "/")) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Executable path specifies a directory, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ if (f == firstword) {
+ path = firstword;
+ firstword = NULL;
+ } else {
+ path = strdup(f);
+ if (!path)
+ return log_oom();
+ }
+
+ if (!separate_argv0) {
+ if (!GREEDY_REALLOC(n, nbufsize, nlen + 2))
+ return log_oom();
+ f = strdup(path);
+ if (!f)
+ return log_oom();
+ n[nlen++] = f;
+ n[nlen] = NULL;
+ }
+
+ path_kill_slashes(path);
+
+ while (!isempty(p)) {
+ _cleanup_free_ char *word = NULL;
+
+ /* Check explicitly for an unquoted semicolon as
+ * command separator token. */
+ if (p[0] == ';' && (!p[1] || strchr(WHITESPACE, p[1]))) {
+ p ++;
+ p += strspn(p, WHITESPACE);
+ semicolon = true;
+ break;
+ }
+
+ /* Check for \; explicitly, to not confuse it with \\;
+ * or "\;" or "\\;" etc. extract_first_word would
+ * return the same for all of those. */
+ if (p[0] == '\\' && p[1] == ';' && (!p[2] || strchr(WHITESPACE, p[2]))) {
+ p += 2;
+ p += strspn(p, WHITESPACE);
+ if (!GREEDY_REALLOC(n, nbufsize, nlen + 2))
+ return log_oom();
+ f = strdup(";");
+ if (!f)
+ return log_oom();
+ n[nlen++] = f;
+ n[nlen] = NULL;
+ continue;
+ }
+
+ r = extract_first_word_and_warn(&p, &word, WHITESPACE, EXTRACT_QUOTES|EXTRACT_CUNESCAPE, unit, filename, line, rvalue);
+ if (r == 0)
+ break;
+ else if (r < 0)
+ return 0;
+
+ if (!GREEDY_REALLOC(n, nbufsize, nlen + 2))
+ return log_oom();
+ n[nlen++] = word;
+ n[nlen] = NULL;
+ word = NULL;
+ }
+
+ if (!n || !n[0]) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Empty executable name or zeroeth argument, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ nce = new0(ExecCommand, 1);
+ if (!nce)
+ return log_oom();
+
+ nce->argv = n;
+ nce->path = path;
+ nce->ignore = ignore;
+
+ exec_command_append_list(e, nce);
+
+ /* Do not _cleanup_free_ these. */
+ n = NULL;
+ path = NULL;
+ nce = NULL;
+
+ rvalue = p;
+ } while (semicolon);
+
+ 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");
+
+int config_parse_socket_bindtodevice(const char* unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ 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, "*")) {
+ n = strdup(rvalue);
+ if (!n)
+ return log_oom();
+ } 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");
+
+int config_parse_exec_io_class(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ ExecContext *c = data;
+ int x;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ x = ioprio_class_from_string(rvalue);
+ if (x < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse IO scheduling class, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ c->ioprio = IOPRIO_PRIO_VALUE(x, IOPRIO_PRIO_DATA(c->ioprio));
+ c->ioprio_set = true;
+
+ return 0;
+}
+
+int config_parse_exec_io_priority(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ ExecContext *c = data;
+ int i, r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ r = safe_atoi(rvalue, &i);
+ if (r < 0 || i < 0 || i >= IOPRIO_BE_NR) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse IO priority, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ c->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_PRIO_CLASS(c->ioprio), i);
+ c->ioprio_set = true;
+
+ return 0;
+}
+
+int config_parse_exec_cpu_sched_policy(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+
+ ExecContext *c = data;
+ int x;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ x = sched_policy_from_string(rvalue);
+ if (x < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse CPU scheduling policy, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ c->cpu_sched_policy = x;
+ /* Moving to or from real-time policy? We need to adjust the priority */
+ c->cpu_sched_priority = CLAMP(c->cpu_sched_priority, sched_get_priority_min(x), sched_get_priority_max(x));
+ c->cpu_sched_set = true;
+
+ return 0;
+}
+
+int config_parse_exec_cpu_sched_prio(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ ExecContext *c = data;
+ int i, min, max, r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ r = safe_atoi(rvalue, &i);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse CPU scheduling policy, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ /* On Linux RR/FIFO range from 1 to 99 and OTHER/BATCH may only be 0 */
+ min = sched_get_priority_min(c->cpu_sched_policy);
+ max = sched_get_priority_max(c->cpu_sched_policy);
+
+ if (i < min || i > max) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "CPU scheduling priority is out of range, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ c->cpu_sched_priority = i;
+ c->cpu_sched_set = true;
+
+ return 0;
+}
+
+int config_parse_exec_cpu_affinity(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ ExecContext *c = data;
+ _cleanup_cpu_free_ cpu_set_t *cpuset = NULL;
+ int ncpus;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ ncpus = parse_cpu_set_and_warn(rvalue, &cpuset, unit, filename, line, lvalue);
+ if (ncpus < 0)
+ return ncpus;
+
+ if (c->cpuset)
+ CPU_FREE(c->cpuset);
+
+ if (ncpus == 0)
+ /* An empty assignment resets the CPU list */
+ c->cpuset = NULL;
+ else {
+ c->cpuset = cpuset;
+ cpuset = NULL;
+ }
+ c->cpuset_ncpus = ncpus;
+
+ return 0;
+}
+
+int config_parse_exec_capabilities(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ ExecContext *c = data;
+ cap_t cap;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ cap = cap_from_text(rvalue);
+ if (!cap) {
+ log_syntax(unit, LOG_ERR, filename, line, errno, "Failed to parse capabilities, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ if (c->capabilities)
+ cap_free(c->capabilities);
+ c->capabilities = cap;
+
+ return 0;
+}
+
+int config_parse_exec_secure_bits(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ ExecContext *c = data;
+ size_t l;
+ const char *word, *state;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ if (isempty(rvalue)) {
+ /* An empty assignment resets the field */
+ c->secure_bits = 0;
+ return 0;
+ }
+
+ FOREACH_WORD_QUOTED(word, l, rvalue, state) {
+ if (first_word(word, "keep-caps"))
+ c->secure_bits |= 1<<SECURE_KEEP_CAPS;
+ else if (first_word(word, "keep-caps-locked"))
+ c->secure_bits |= 1<<SECURE_KEEP_CAPS_LOCKED;
+ else if (first_word(word, "no-setuid-fixup"))
+ c->secure_bits |= 1<<SECURE_NO_SETUID_FIXUP;
+ else if (first_word(word, "no-setuid-fixup-locked"))
+ c->secure_bits |= 1<<SECURE_NO_SETUID_FIXUP_LOCKED;
+ else if (first_word(word, "noroot"))
+ c->secure_bits |= 1<<SECURE_NOROOT;
+ else if (first_word(word, "noroot-locked"))
+ c->secure_bits |= 1<<SECURE_NOROOT_LOCKED;
+ else {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse secure bits, ignoring: %s", rvalue);
+ return 0;
+ }
+ }
+ if (!isempty(state))
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid syntax, garbage at the end, ignoring.");
+
+ return 0;
+}
+
+int config_parse_capability_set(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ uint64_t *capability_set = data;
+ uint64_t sum = 0, initial = 0;
+ bool invert = false;
+ const char *p;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ if (rvalue[0] == '~') {
+ invert = true;
+ rvalue++;
+ }
+
+ if (strcmp(lvalue, "CapabilityBoundingSet") == 0)
+ initial = CAP_ALL; /* initialized to all bits on */
+ /* else "AmbientCapabilities" initialized to all bits off */
+
+ p = rvalue;
+ for (;;) {
+ _cleanup_free_ char *word = NULL;
+ int cap, r;
+
+ r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES);
+ if (r == 0)
+ break;
+ if (r == -ENOMEM)
+ return log_oom();
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse word, ignoring: %s", rvalue);
+ break;
+ }
+
+ cap = capability_from_name(word);
+ if (cap < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse capability in bounding/ambient set, ignoring: %s", word);
+ continue;
+ }
+
+ sum |= ((uint64_t) UINT64_C(1)) << (uint64_t) cap;
+ }
+
+ sum = invert ? ~sum : sum;
+
+ if (sum == 0 || *capability_set == initial)
+ /* "" or uninitialized data -> replace */
+ *capability_set = sum;
+ else
+ /* previous data -> merge */
+ *capability_set |= sum;
+
+ return 0;
+}
+
+int config_parse_limit(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ struct rlimit **rl = data, d = {};
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ r = rlimit_parse(ltype, rvalue, &d);
+ if (r == -EILSEQ) {
+ log_syntax(unit, LOG_WARNING, filename, line, r, "Soft resource limit chosen higher than hard limit, ignoring: %s", rvalue);
+ return 0;
+ }
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse resource value, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ if (rl[ltype])
+ *rl[ltype] = d;
+ else {
+ rl[ltype] = newdup(struct rlimit, &d, 1);
+ if (!rl[ltype])
+ return log_oom();
+ }
+
+ return 0;
+}
+
+#ifdef HAVE_SYSV_COMPAT
+int config_parse_sysv_priority(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ int *priority = data;
+ int i, r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ r = safe_atoi(rvalue, &i);
+ if (r < 0 || i < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse SysV start priority, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ *priority = (int) i;
+ return 0;
+}
+#endif
+
+DEFINE_CONFIG_PARSE_ENUM(config_parse_exec_utmp_mode, exec_utmp_mode, ExecUtmpMode, "Failed to parse utmp mode");
+DEFINE_CONFIG_PARSE_ENUM(config_parse_kill_mode, kill_mode, KillMode, "Failed to parse kill mode");
+
+int config_parse_exec_mount_flags(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+
+ unsigned long flags = 0;
+ ExecContext *c = data;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ if (streq(rvalue, "shared"))
+ flags = MS_SHARED;
+ else if (streq(rvalue, "slave"))
+ flags = MS_SLAVE;
+ else if (streq(rvalue, "private"))
+ flags = MS_PRIVATE;
+ else {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse mount flag %s, ignoring.", rvalue);
+ return 0;
+ }
+
+ c->mount_flags = flags;
+
+ return 0;
+}
+
+int config_parse_exec_selinux_context(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ ExecContext *c = data;
+ Unit *u = userdata;
+ bool ignore;
+ char *k;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ if (isempty(rvalue)) {
+ c->selinux_context = mfree(c->selinux_context);
+ c->selinux_context_ignore = false;
+ return 0;
+ }
+
+ if (rvalue[0] == '-') {
+ ignore = true;
+ rvalue++;
+ } else
+ ignore = false;
+
+ r = unit_name_printf(u, rvalue, &k);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %m");
+ return 0;
+ }
+
+ free(c->selinux_context);
+ c->selinux_context = k;
+ c->selinux_context_ignore = ignore;
+
+ return 0;
+}
+
+int config_parse_exec_apparmor_profile(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ ExecContext *c = data;
+ Unit *u = userdata;
+ bool ignore;
+ char *k;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ if (isempty(rvalue)) {
+ c->apparmor_profile = mfree(c->apparmor_profile);
+ c->apparmor_profile_ignore = false;
+ return 0;
+ }
+
+ if (rvalue[0] == '-') {
+ ignore = true;
+ rvalue++;
+ } else
+ ignore = false;
+
+ r = unit_name_printf(u, rvalue, &k);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %m");
+ return 0;
+ }
+
+ free(c->apparmor_profile);
+ c->apparmor_profile = k;
+ c->apparmor_profile_ignore = ignore;
+
+ return 0;
+}
+
+int config_parse_exec_smack_process_label(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ ExecContext *c = data;
+ Unit *u = userdata;
+ bool ignore;
+ char *k;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ if (isempty(rvalue)) {
+ c->smack_process_label = mfree(c->smack_process_label);
+ c->smack_process_label_ignore = false;
+ return 0;
+ }
+
+ if (rvalue[0] == '-') {
+ ignore = true;
+ rvalue++;
+ } else
+ ignore = false;
+
+ r = unit_name_printf(u, rvalue, &k);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %m");
+ return 0;
+ }
+
+ free(c->smack_process_label);
+ c->smack_process_label = k;
+ c->smack_process_label_ignore = ignore;
+
+ return 0;
+}
+
+int config_parse_timer(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ Timer *t = data;
+ usec_t u = 0;
+ TimerValue *v;
+ TimerBase b;
+ CalendarSpec *c = NULL;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ if (isempty(rvalue)) {
+ /* Empty assignment resets list */
+ timer_free_values(t);
+ return 0;
+ }
+
+ b = timer_base_from_string(lvalue);
+ if (b < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse timer base, ignoring: %s", lvalue);
+ return 0;
+ }
+
+ if (b == TIMER_CALENDAR) {
+ if (calendar_spec_from_string(rvalue, &c) < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse calendar specification, ignoring: %s", rvalue);
+ return 0;
+ }
+ } else {
+ if (parse_sec(rvalue, &u) < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse timer value, ignoring: %s", rvalue);
+ return 0;
+ }
+ }
+
+ v = new0(TimerValue, 1);
+ if (!v) {
+ calendar_spec_free(c);
+ return log_oom();
+ }
+
+ v->base = b;
+ v->value = u;
+ v->calendar_spec = c;
+
+ LIST_PREPEND(value, t->values, v);
+
+ return 0;
+}
+
+int config_parse_trigger_unit(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ _cleanup_free_ char *p = NULL;
+ Unit *u = data;
+ UnitType type;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ if (!set_isempty(u->dependencies[UNIT_TRIGGERS])) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Multiple units to trigger specified, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ r = unit_name_printf(u, rvalue, &p);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %m");
+ return 0;
+ }
+
+ type = unit_name_to_type(p);
+ if (type < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Unit type not valid, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ if (type == u->type) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Trigger cannot be of same type, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ r = unit_add_two_dependencies_by_name(u, UNIT_BEFORE, UNIT_TRIGGERS, p, NULL, true);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to add trigger on %s, ignoring: %m", p);
+ return 0;
+ }
+
+ return 0;
+}
+
+int config_parse_path_spec(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ Path *p = data;
+ PathSpec *s;
+ PathType b;
+ _cleanup_free_ char *k = NULL;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ if (isempty(rvalue)) {
+ /* Empty assignment clears list */
+ path_free_specs(p);
+ return 0;
+ }
+
+ b = path_type_from_string(lvalue);
+ if (b < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse path type, ignoring: %s", lvalue);
+ return 0;
+ }
+
+ r = unit_full_printf(UNIT(p), rvalue, &k);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers on %s. Ignoring.", rvalue);
+ return 0;
+ }
+
+ if (!path_is_absolute(k)) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Path is not absolute, ignoring: %s", k);
+ return 0;
+ }
+
+ s = new0(PathSpec, 1);
+ if (!s)
+ return log_oom();
+
+ s->unit = UNIT(p);
+ s->path = path_kill_slashes(k);
+ k = NULL;
+ s->type = b;
+ s->inotify_fd = -1;
+
+ LIST_PREPEND(spec, p->specs, s);
+
+ return 0;
+}
+
+int config_parse_socket_service(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_free_ char *p = NULL;
+ Socket *s = data;
+ Unit *x;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ r = unit_name_printf(UNIT(s), rvalue, &p);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ if (!endswith(p, ".service")) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Unit must be of type service, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ r = manager_load_unit(UNIT(s)->manager, p, NULL, &error, &x);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to load unit %s, ignoring: %s", rvalue, bus_error_message(&error, r));
+ return 0;
+ }
+
+ unit_ref_set(&s->service, x);
+
+ return 0;
+}
+
+int config_parse_fdname(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ _cleanup_free_ char *p = NULL;
+ Socket *s = data;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ if (isempty(rvalue)) {
+ s->fdname = mfree(s->fdname);
+ return 0;
+ }
+
+ r = unit_name_printf(UNIT(s), rvalue, &p);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ if (!fdname_is_valid(p)) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid file descriptor name, ignoring: %s", p);
+ return 0;
+ }
+
+ free(s->fdname);
+ s->fdname = p;
+ p = NULL;
+
+ return 0;
+}
+
+int config_parse_service_sockets(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ Service *s = data;
+ const char *p;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ p = rvalue;
+ for(;;) {
+ _cleanup_free_ char *word = NULL, *k = NULL;
+
+ r = extract_first_word(&p, &word, NULL, 0);
+ if (r == 0)
+ break;
+ if (r == -ENOMEM)
+ return log_oom();
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Trailing garbage in sockets, ignoring: %s", rvalue);
+ break;
+ }
+
+ r = unit_name_printf(UNIT(s), word, &k);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %m");
+ continue;
+ }
+
+ if (!endswith(k, ".socket")) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Unit must be of type socket, ignoring: %s", k);
+ continue;
+ }
+
+ r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_WANTS, UNIT_AFTER, k, NULL, true);
+ if (r < 0)
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to add dependency on %s, ignoring: %m", k);
+
+ r = unit_add_dependency_by_name(UNIT(s), UNIT_TRIGGERED_BY, k, NULL, true);
+ if (r < 0)
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to add dependency on %s, ignoring: %m", k);
+ }
+
+ return 0;
+}
+
+int config_parse_bus_name(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ _cleanup_free_ char *k = NULL;
+ Unit *u = userdata;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(u);
+
+ r = unit_full_printf(u, rvalue, &k);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers on %s, ignoring: %m", rvalue);
+ return 0;
+ }
+
+ if (!service_name_is_valid(k)) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid bus name %s, ignoring.", k);
+ return 0;
+ }
+
+ return config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, k, data, userdata);
+}
+
+int config_parse_service_timeout(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ Service *s = userdata;
+ usec_t usec;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(s);
+
+ /* This is called for three cases: TimeoutSec=, TimeoutStopSec= and TimeoutStartSec=. */
+
+ r = parse_sec(rvalue, &usec);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse %s= parameter, ignoring: %s", lvalue, rvalue);
+ return 0;
+ }
+
+ /* Traditionally, these options accepted 0 to disable the timeouts. However, a timeout of 0 suggests it happens
+ * immediately, hence fix this to become USEC_INFINITY instead. This is in-line with how we internally handle
+ * all other timeouts. */
+ if (usec <= 0)
+ usec = USEC_INFINITY;
+
+ if (!streq(lvalue, "TimeoutStopSec")) {
+ s->start_timeout_defined = true;
+ s->timeout_start_usec = usec;
+ }
+
+ if (!streq(lvalue, "TimeoutStartSec"))
+ s->timeout_stop_usec = usec;
+
+ return 0;
+}
+
+int config_parse_sec_fix_0(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ usec_t *usec = data;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(usec);
+
+ /* This is pretty much like config_parse_sec(), except that this treats a time of 0 as infinity, for
+ * compatibility with older versions of systemd where 0 instead of infinity was used as indicator to turn off a
+ * timeout. */
+
+ r = parse_sec(rvalue, usec);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse %s= parameter, ignoring: %s", lvalue, rvalue);
+ return 0;
+ }
+
+ if (*usec <= 0)
+ *usec = USEC_INFINITY;
+
+ return 0;
+}
+
+int config_parse_busname_service(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ BusName *n = data;
+ int r;
+ Unit *x;
+ _cleanup_free_ char *p = NULL;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ r = unit_name_printf(UNIT(n), rvalue, &p);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ if (!endswith(p, ".service")) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Unit must be of type service, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ r = manager_load_unit(UNIT(n)->manager, p, NULL, &error, &x);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to load unit %s, ignoring: %s", rvalue, bus_error_message(&error, r));
+ return 0;
+ }
+
+ unit_ref_set(&n->service, x);
+
+ return 0;
+}
+
+DEFINE_CONFIG_PARSE_ENUM(config_parse_bus_policy_world, bus_policy_access, BusPolicyAccess, "Failed to parse bus name policy access");
+
+int config_parse_bus_policy(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ _cleanup_free_ BusNamePolicy *p = NULL;
+ _cleanup_free_ char *id_str = NULL;
+ BusName *busname = data;
+ char *access_str;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ p = new0(BusNamePolicy, 1);
+ if (!p)
+ return log_oom();
+
+ if (streq(lvalue, "AllowUser"))
+ p->type = BUSNAME_POLICY_TYPE_USER;
+ else if (streq(lvalue, "AllowGroup"))
+ p->type = BUSNAME_POLICY_TYPE_GROUP;
+ else
+ assert_not_reached("Unknown lvalue");
+
+ id_str = strdup(rvalue);
+ if (!id_str)
+ return log_oom();
+
+ access_str = strpbrk(id_str, WHITESPACE);
+ if (!access_str) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid busname policy value '%s'", rvalue);
+ return 0;
+ }
+
+ *access_str = '\0';
+ access_str++;
+ access_str += strspn(access_str, WHITESPACE);
+
+ p->access = bus_policy_access_from_string(access_str);
+ if (p->access < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid busname policy access type '%s'", access_str);
+ return 0;
+ }
+
+ p->name = id_str;
+ id_str = NULL;
+
+ LIST_PREPEND(policy, busname->policy, p);
+ p = NULL;
+
+ return 0;
+}
+
+int config_parse_bus_endpoint_policy(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ _cleanup_free_ char *name = NULL;
+ BusPolicyAccess access;
+ ExecContext *c = data;
+ char *access_str;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ name = strdup(rvalue);
+ if (!name)
+ return log_oom();
+
+ access_str = strpbrk(name, WHITESPACE);
+ if (!access_str) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid endpoint policy value '%s'", rvalue);
+ return 0;
+ }
+
+ *access_str = '\0';
+ access_str++;
+ access_str += strspn(access_str, WHITESPACE);
+
+ access = bus_policy_access_from_string(access_str);
+ if (access <= _BUS_POLICY_ACCESS_INVALID ||
+ access >= _BUS_POLICY_ACCESS_MAX) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid endpoint policy access type '%s'", access_str);
+ return 0;
+ }
+
+ if (!c->bus_endpoint) {
+ r = bus_endpoint_new(&c->bus_endpoint);
+ if (r < 0)
+ return log_error_errno(r, "Failed to create bus endpoint object: %m");
+ }
+
+ return bus_endpoint_add_policy(c->bus_endpoint, name, access);
+}
+
+int config_parse_working_directory(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ ExecContext *c = data;
+ Unit *u = userdata;
+ bool missing_ok;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(c);
+ assert(u);
+
+ if (rvalue[0] == '-') {
+ missing_ok = true;
+ rvalue++;
+ } else
+ missing_ok = false;
+
+ if (streq(rvalue, "~")) {
+ c->working_directory_home = true;
+ c->working_directory = mfree(c->working_directory);
+ } else {
+ _cleanup_free_ char *k = NULL;
+
+ r = unit_full_printf(u, rvalue, &k);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers in working directory path '%s', ignoring: %m", rvalue);
+ return 0;
+ }
+
+ path_kill_slashes(k);
+
+ if (!utf8_is_valid(k)) {
+ log_syntax_invalid_utf8(unit, LOG_ERR, filename, line, rvalue);
+ return 0;
+ }
+
+ if (!path_is_absolute(k)) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Working directory path '%s' is not absolute, ignoring.", rvalue);
+ return 0;
+ }
+
+ free(c->working_directory);
+ c->working_directory = k;
+ k = NULL;
+
+ c->working_directory_home = false;
+ }
+
+ c->working_directory_missing_ok = missing_ok;
+ return 0;
+}
+
+int config_parse_unit_env_file(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ char ***env = data;
+ Unit *u = userdata;
+ _cleanup_free_ char *n = NULL;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ if (isempty(rvalue)) {
+ /* Empty assignment frees the list */
+ *env = strv_free(*env);
+ return 0;
+ }
+
+ r = unit_full_printf(u, rvalue, &n);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ if (!path_is_absolute(n[0] == '-' ? n + 1 : n)) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Path '%s' is not absolute, ignoring.", n);
+ return 0;
+ }
+
+ r = strv_extend(env, n);
+ if (r < 0)
+ return log_oom();
+
+ return 0;
+}
+
+int config_parse_environ(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ Unit *u = userdata;
+ char*** env = data;
+ const char *word, *state;
+ size_t l;
+ _cleanup_free_ char *k = NULL;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ if (isempty(rvalue)) {
+ /* Empty assignment resets the list */
+ *env = strv_free(*env);
+ return 0;
+ }
+
+ if (u) {
+ r = unit_full_printf(u, rvalue, &k);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %s", rvalue);
+ return 0;
+ }
+ }
+
+ if (!k) {
+ k = strdup(rvalue);
+ if (!k)
+ return log_oom();
+ }
+
+ FOREACH_WORD_QUOTED(word, l, k, state) {
+ _cleanup_free_ char *n = NULL;
+ char **x;
+
+ r = cunescape_length(word, l, 0, &n);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Couldn't unescape assignment, ignoring: %s", rvalue);
+ continue;
+ }
+
+ if (!env_assignment_is_valid(n)) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid environment assignment, ignoring: %s", rvalue);
+ continue;
+ }
+
+ x = strv_env_set(*env, n);
+ if (!x)
+ return log_oom();
+
+ strv_free(*env);
+ *env = x;
+ }
+ if (!isempty(state))
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Trailing garbage, ignoring.");
+
+ return 0;
+}
+
+int config_parse_pass_environ(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ const char *whole_rvalue = rvalue;
+ char*** passenv = data;
+ _cleanup_strv_free_ char **n = NULL;
+ size_t nlen = 0, nbufsize = 0;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ if (isempty(rvalue)) {
+ /* Empty assignment resets the list */
+ *passenv = strv_free(*passenv);
+ return 0;
+ }
+
+ for (;;) {
+ _cleanup_free_ char *word = NULL;
+
+ r = extract_first_word(&rvalue, &word, WHITESPACE, EXTRACT_QUOTES);
+ if (r == 0)
+ break;
+ if (r == -ENOMEM)
+ return log_oom();
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r,
+ "Trailing garbage in %s, ignoring: %s", lvalue, whole_rvalue);
+ break;
+ }
+
+ if (!env_name_is_valid(word)) {
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+ "Invalid environment name for %s, ignoring: %s", lvalue, word);
+ continue;
+ }
+
+ if (!GREEDY_REALLOC(n, nbufsize, nlen + 2))
+ return log_oom();
+ n[nlen++] = word;
+ n[nlen] = NULL;
+ word = NULL;
+ }
+
+ if (n) {
+ r = strv_extend_strv(passenv, n, true);
+ if (r < 0)
+ return r;
+ }
+
+ return 0;
+}
+
+int config_parse_ip_tos(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ int *ip_tos = data, x;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ x = ip_tos_from_string(rvalue);
+ if (x < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse IP TOS value, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ *ip_tos = x;
+ return 0;
+}
+
+int config_parse_unit_condition_path(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ _cleanup_free_ char *p = NULL;
+ Condition **list = data, *c;
+ ConditionType t = ltype;
+ bool trigger, negate;
+ Unit *u = userdata;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ if (isempty(rvalue)) {
+ /* Empty assignment resets the list */
+ *list = condition_free_list(*list);
+ return 0;
+ }
+
+ trigger = rvalue[0] == '|';
+ if (trigger)
+ rvalue++;
+
+ negate = rvalue[0] == '!';
+ if (negate)
+ rvalue++;
+
+ r = unit_full_printf(u, rvalue, &p);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ if (!path_is_absolute(p)) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Path in condition not absolute, ignoring: %s", p);
+ return 0;
+ }
+
+ c = condition_new(t, p, trigger, negate);
+ if (!c)
+ return log_oom();
+
+ LIST_PREPEND(conditions, *list, c);
+ return 0;
+}
+
+int config_parse_unit_condition_string(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ _cleanup_free_ char *s = NULL;
+ Condition **list = data, *c;
+ ConditionType t = ltype;
+ bool trigger, negate;
+ Unit *u = userdata;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ if (isempty(rvalue)) {
+ /* Empty assignment resets the list */
+ *list = condition_free_list(*list);
+ return 0;
+ }
+
+ trigger = rvalue[0] == '|';
+ if (trigger)
+ rvalue++;
+
+ negate = rvalue[0] == '!';
+ if (negate)
+ rvalue++;
+
+ r = unit_full_printf(u, rvalue, &s);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ c = condition_new(t, s, trigger, negate);
+ if (!c)
+ return log_oom();
+
+ LIST_PREPEND(conditions, *list, c);
+ return 0;
+}
+
+int config_parse_unit_condition_null(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ Condition **list = data, *c;
+ bool trigger, negate;
+ int b;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ if (isempty(rvalue)) {
+ /* Empty assignment resets the list */
+ *list = condition_free_list(*list);
+ return 0;
+ }
+
+ trigger = rvalue[0] == '|';
+ if (trigger)
+ rvalue++;
+
+ negate = rvalue[0] == '!';
+ if (negate)
+ rvalue++;
+
+ b = parse_boolean(rvalue);
+ if (b < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, b, "Failed to parse boolean value in condition, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ if (!b)
+ negate = !negate;
+
+ c = condition_new(CONDITION_NULL, NULL, trigger, negate);
+ if (!c)
+ return log_oom();
+
+ LIST_PREPEND(conditions, *list, c);
+ return 0;
+}
+
+DEFINE_CONFIG_PARSE_ENUM(config_parse_notify_access, notify_access, NotifyAccess, "Failed to parse notify access specifier");
+DEFINE_CONFIG_PARSE_ENUM(config_parse_failure_action, failure_action, FailureAction, "Failed to parse failure action specifier");
+
+int config_parse_unit_requires_mounts_for(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ Unit *u = userdata;
+ const char *word, *state;
+ size_t l;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ FOREACH_WORD_QUOTED(word, l, rvalue, state) {
+ int r;
+ _cleanup_free_ char *n;
+
+ n = strndup(word, l);
+ if (!n)
+ return log_oom();
+
+ if (!utf8_is_valid(n)) {
+ log_syntax_invalid_utf8(unit, LOG_ERR, filename, line, rvalue);
+ continue;
+ }
+
+ r = unit_require_mounts_for(u, n);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to add required mount for, ignoring: %s", rvalue);
+ continue;
+ }
+ }
+ if (!isempty(state))
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Trailing garbage, ignoring.");
+
+ return 0;
+}
+
+int config_parse_documentation(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ Unit *u = userdata;
+ int r;
+ char **a, **b;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(u);
+
+ if (isempty(rvalue)) {
+ /* Empty assignment resets the list */
+ u->documentation = strv_free(u->documentation);
+ return 0;
+ }
+
+ r = config_parse_unit_strv_printf(unit, filename, line, section, section_line, lvalue, ltype,
+ rvalue, data, userdata);
+ if (r < 0)
+ return r;
+
+ for (a = b = u->documentation; a && *a; a++) {
+
+ if (documentation_url_is_valid(*a))
+ *(b++) = *a;
+ else {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid URL, ignoring: %s", *a);
+ free(*a);
+ }
+ }
+ if (b)
+ *b = NULL;
+
+ return r;
+}
+
+#ifdef HAVE_SECCOMP
+int config_parse_syscall_filter(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ static const char default_syscalls[] =
+ "execve\0"
+ "exit\0"
+ "exit_group\0"
+ "rt_sigreturn\0"
+ "sigreturn\0";
+
+ ExecContext *c = data;
+ Unit *u = userdata;
+ bool invert = false;
+ const char *word, *state;
+ size_t l;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(u);
+
+ if (isempty(rvalue)) {
+ /* Empty assignment resets the list */
+ c->syscall_filter = set_free(c->syscall_filter);
+ c->syscall_whitelist = false;
+ return 0;
+ }
+
+ if (rvalue[0] == '~') {
+ invert = true;
+ rvalue++;
+ }
+
+ if (!c->syscall_filter) {
+ c->syscall_filter = set_new(NULL);
+ if (!c->syscall_filter)
+ return log_oom();
+
+ if (invert)
+ /* Allow everything but the ones listed */
+ c->syscall_whitelist = false;
+ else {
+ const char *i;
+
+ /* Allow nothing but the ones listed */
+ c->syscall_whitelist = true;
+
+ /* Accept default syscalls if we are on a whitelist */
+ NULSTR_FOREACH(i, default_syscalls) {
+ int id;
+
+ id = seccomp_syscall_resolve_name(i);
+ if (id < 0)
+ continue;
+
+ r = set_put(c->syscall_filter, INT_TO_PTR(id + 1));
+ if (r == 0)
+ continue;
+ if (r < 0)
+ return log_oom();
+ }
+ }
+ }
+
+ FOREACH_WORD_QUOTED(word, l, rvalue, state) {
+ _cleanup_free_ char *t = NULL;
+ int id;
+
+ t = strndup(word, l);
+ if (!t)
+ return log_oom();
+
+ id = seccomp_syscall_resolve_name(t);
+ if (id < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse system call, ignoring: %s", t);
+ continue;
+ }
+
+ /* If we previously wanted to forbid a syscall and now
+ * we want to allow it, then remove it from the list
+ */
+ if (!invert == c->syscall_whitelist) {
+ r = set_put(c->syscall_filter, INT_TO_PTR(id + 1));
+ if (r == 0)
+ continue;
+ if (r < 0)
+ return log_oom();
+ } else
+ set_remove(c->syscall_filter, INT_TO_PTR(id + 1));
+ }
+ if (!isempty(state))
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Trailing garbage, ignoring.");
+
+ /* Turn on NNP, but only if it wasn't configured explicitly
+ * before, and only if we are in user mode. */
+ if (!c->no_new_privileges_set && u->manager->running_as == MANAGER_USER)
+ c->no_new_privileges = true;
+
+ return 0;
+}
+
+int config_parse_syscall_archs(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ Set **archs = data;
+ const char *word, *state;
+ size_t l;
+ int r;
+
+ if (isempty(rvalue)) {
+ *archs = set_free(*archs);
+ return 0;
+ }
+
+ r = set_ensure_allocated(archs, NULL);
+ if (r < 0)
+ return log_oom();
+
+ FOREACH_WORD_QUOTED(word, l, rvalue, state) {
+ _cleanup_free_ char *t = NULL;
+ uint32_t a;
+
+ t = strndup(word, l);
+ if (!t)
+ return log_oom();
+
+ r = seccomp_arch_from_string(t, &a);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse system call architecture, ignoring: %s", t);
+ continue;
+ }
+
+ r = set_put(*archs, UINT32_TO_PTR(a + 1));
+ if (r == 0)
+ continue;
+ if (r < 0)
+ return log_oom();
+ }
+ if (!isempty(state))
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Trailing garbage, ignoring.");
+
+ return 0;
+}
+
+int config_parse_syscall_errno(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ ExecContext *c = data;
+ int e;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ if (isempty(rvalue)) {
+ /* Empty assignment resets to KILL */
+ c->syscall_errno = 0;
+ return 0;
+ }
+
+ e = errno_from_name(rvalue);
+ if (e < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse error number, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ c->syscall_errno = e;
+ return 0;
+}
+
+int config_parse_address_families(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ ExecContext *c = data;
+ bool invert = false;
+ const char *word, *state;
+ size_t l;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ if (isempty(rvalue)) {
+ /* Empty assignment resets the list */
+ c->address_families = set_free(c->address_families);
+ c->address_families_whitelist = false;
+ return 0;
+ }
+
+ if (rvalue[0] == '~') {
+ invert = true;
+ rvalue++;
+ }
+
+ if (!c->address_families) {
+ c->address_families = set_new(NULL);
+ if (!c->address_families)
+ return log_oom();
+
+ c->address_families_whitelist = !invert;
+ }
+
+ FOREACH_WORD_QUOTED(word, l, rvalue, state) {
+ _cleanup_free_ char *t = NULL;
+ int af;
+
+ t = strndup(word, l);
+ if (!t)
+ return log_oom();
+
+ af = af_from_name(t);
+ if (af <= 0) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse address family, ignoring: %s", t);
+ continue;
+ }
+
+ /* If we previously wanted to forbid an address family and now
+ * we want to allow it, then remove it from the list
+ */
+ if (!invert == c->address_families_whitelist) {
+ r = set_put(c->address_families, INT_TO_PTR(af));
+ if (r == 0)
+ continue;
+ if (r < 0)
+ return log_oom();
+ } else
+ set_remove(c->address_families, INT_TO_PTR(af));
+ }
+ if (!isempty(state))
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Trailing garbage, ignoring.");
+
+ return 0;
+}
+#endif
+
+int config_parse_unit_slice(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ _cleanup_free_ char *k = NULL;
+ Unit *u = userdata, *slice = NULL;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(u);
+
+ r = unit_name_printf(u, rvalue, &k);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers on %s. Ignoring.", rvalue);
+ return 0;
+ }
+
+ r = manager_load_unit(u->manager, k, NULL, NULL, &slice);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to load slice unit %s. Ignoring.", k);
+ return 0;
+ }
+
+ r = unit_set_slice(u, slice);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to assign slice %s to unit %s. Ignoring.", slice->id, u->id);
+ return 0;
+ }
+
+ return 0;
+}
+
+DEFINE_CONFIG_PARSE_ENUM(config_parse_device_policy, cgroup_device_policy, CGroupDevicePolicy, "Failed to parse device policy");
+
+int config_parse_cpu_shares(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ uint64_t *shares = data;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ r = cg_cpu_shares_parse(rvalue, shares);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "CPU shares '%s' invalid. Ignoring.", rvalue);
+ return 0;
+ }
+
+ return 0;
+}
+
+int config_parse_cpu_quota(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ CGroupContext *c = data;
+ double percent;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ if (isempty(rvalue)) {
+ c->cpu_quota_per_sec_usec = USEC_INFINITY;
+ return 0;
+ }
+
+ if (!endswith(rvalue, "%")) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "CPU quota '%s' not ending in '%%'. Ignoring.", rvalue);
+ return 0;
+ }
+
+ if (sscanf(rvalue, "%lf%%", &percent) != 1 || percent <= 0) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "CPU quota '%s' invalid. Ignoring.", rvalue);
+ return 0;
+ }
+
+ c->cpu_quota_per_sec_usec = (usec_t) (percent * USEC_PER_SEC / 100);
+
+ return 0;
+}
+
+int config_parse_memory_limit(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ CGroupContext *c = data;
+ uint64_t bytes;
+ int r;
+
+ if (isempty(rvalue) || streq(rvalue, "infinity")) {
+ c->memory_limit = (uint64_t) -1;
+ return 0;
+ }
+
+ r = parse_size(rvalue, 1024, &bytes);
+ if (r < 0 || bytes < 1) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Memory limit '%s' invalid. Ignoring.", rvalue);
+ return 0;
+ }
+
+ c->memory_limit = bytes;
+ return 0;
+}
+
+int config_parse_tasks_max(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ uint64_t *tasks_max = data, u;
+ int r;
+
+ if (isempty(rvalue) || streq(rvalue, "infinity")) {
+ *tasks_max = (uint64_t) -1;
+ return 0;
+ }
+
+ r = safe_atou64(rvalue, &u);
+ if (r < 0 || u < 1) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Maximum tasks value '%s' invalid. Ignoring.", rvalue);
+ return 0;
+ }
+
+ *tasks_max = u;
+ return 0;
+}
+
+int config_parse_device_allow(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ _cleanup_free_ char *path = NULL;
+ CGroupContext *c = data;
+ CGroupDeviceAllow *a;
+ const char *m;
+ size_t n;
+
+ if (isempty(rvalue)) {
+ while (c->device_allow)
+ cgroup_context_free_device_allow(c, c->device_allow);
+
+ return 0;
+ }
+
+ n = strcspn(rvalue, WHITESPACE);
+ path = strndup(rvalue, n);
+ if (!path)
+ return log_oom();
+
+ if (!startswith(path, "/dev/") &&
+ !startswith(path, "block-") &&
+ !startswith(path, "char-")) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid device node path '%s'. Ignoring.", path);
+ return 0;
+ }
+
+ m = rvalue + n + strspn(rvalue + n, WHITESPACE);
+ if (isempty(m))
+ m = "rwm";
+
+ if (!in_charset(m, "rwm")) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid device rights '%s'. Ignoring.", m);
+ return 0;
+ }
+
+ a = new0(CGroupDeviceAllow, 1);
+ if (!a)
+ return log_oom();
+
+ a->path = path;
+ path = NULL;
+ a->r = !!strchr(m, 'r');
+ a->w = !!strchr(m, 'w');
+ a->m = !!strchr(m, 'm');
+
+ LIST_PREPEND(device_allow, c->device_allow, a);
+ return 0;
+}
+
+int config_parse_blockio_weight(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ uint64_t *weight = data;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ r = cg_blkio_weight_parse(rvalue, weight);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Block IO weight '%s' invalid. Ignoring.", rvalue);
+ return 0;
+ }
+
+ return 0;
+}
+
+int config_parse_blockio_device_weight(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ _cleanup_free_ char *path = NULL;
+ CGroupBlockIODeviceWeight *w;
+ CGroupContext *c = data;
+ const char *weight;
+ uint64_t u;
+ size_t n;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ if (isempty(rvalue)) {
+ while (c->blockio_device_weights)
+ cgroup_context_free_blockio_device_weight(c, c->blockio_device_weights);
+
+ return 0;
+ }
+
+ n = strcspn(rvalue, WHITESPACE);
+ weight = rvalue + n;
+ weight += strspn(weight, WHITESPACE);
+
+ if (isempty(weight)) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Expected block device and device weight. Ignoring.");
+ return 0;
+ }
+
+ path = strndup(rvalue, n);
+ if (!path)
+ return log_oom();
+
+ if (!path_startswith(path, "/dev")) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid device node path '%s'. Ignoring.", path);
+ return 0;
+ }
+
+ r = cg_blkio_weight_parse(weight, &u);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Block IO weight '%s' invalid. Ignoring.", weight);
+ return 0;
+ }
+
+ assert(u != CGROUP_BLKIO_WEIGHT_INVALID);
+
+ w = new0(CGroupBlockIODeviceWeight, 1);
+ if (!w)
+ return log_oom();
+
+ w->path = path;
+ path = NULL;
+
+ w->weight = u;
+
+ LIST_PREPEND(device_weights, c->blockio_device_weights, w);
+ return 0;
+}
+
+int config_parse_blockio_bandwidth(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ _cleanup_free_ char *path = NULL;
+ CGroupBlockIODeviceBandwidth *b;
+ CGroupContext *c = data;
+ const char *bandwidth;
+ uint64_t bytes;
+ bool read;
+ size_t n;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ read = streq("BlockIOReadBandwidth", lvalue);
+
+ if (isempty(rvalue)) {
+ CGroupBlockIODeviceBandwidth *next;
+
+ LIST_FOREACH_SAFE (device_bandwidths, b, next, c->blockio_device_bandwidths)
+ if (b->read == read)
+ cgroup_context_free_blockio_device_bandwidth(c, b);
+
+ return 0;
+ }
+
+ n = strcspn(rvalue, WHITESPACE);
+ bandwidth = rvalue + n;
+ bandwidth += strspn(bandwidth, WHITESPACE);
+
+ if (!*bandwidth) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Expected space separated pair of device node and bandwidth. Ignoring.");
+ return 0;
+ }
+
+ path = strndup(rvalue, n);
+ if (!path)
+ return log_oom();
+
+ if (!path_startswith(path, "/dev")) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid device node path '%s'. Ignoring.", path);
+ return 0;
+ }
+
+ r = parse_size(bandwidth, 1000, &bytes);
+ if (r < 0 || bytes <= 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Block IO Bandwidth '%s' invalid. Ignoring.", rvalue);
+ return 0;
+ }
+
+ b = new0(CGroupBlockIODeviceBandwidth, 1);
+ if (!b)
+ return log_oom();
+
+ b->path = path;
+ path = NULL;
+ b->bandwidth = bytes;
+ b->read = read;
+
+ LIST_PREPEND(device_bandwidths, c->blockio_device_bandwidths, b);
+
+ return 0;
+}
+
+DEFINE_CONFIG_PARSE_ENUM(config_parse_job_mode, job_mode, JobMode, "Failed to parse job mode");
+
+int config_parse_job_mode_isolate(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ JobMode *m = data;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ r = parse_boolean(rvalue);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse boolean, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ *m = r ? JOB_ISOLATE : JOB_REPLACE;
+ return 0;
+}
+
+int config_parse_runtime_directory(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ char***rt = data;
+ Unit *u = userdata;
+ const char *word, *state;
+ size_t l;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ if (isempty(rvalue)) {
+ /* Empty assignment resets the list */
+ *rt = strv_free(*rt);
+ return 0;
+ }
+
+ FOREACH_WORD_QUOTED(word, l, rvalue, state) {
+ _cleanup_free_ char *t = NULL, *n = NULL;
+
+ t = strndup(word, l);
+ if (!t)
+ return log_oom();
+
+ r = unit_name_printf(u, t, &n);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %m");
+ continue;
+ }
+
+ if (!filename_is_valid(n)) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Runtime directory is not valid, ignoring assignment: %s", rvalue);
+ continue;
+ }
+
+ r = strv_push(rt, n);
+ if (r < 0)
+ return log_oom();
+
+ n = NULL;
+ }
+ if (!isempty(state))
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Trailing garbage, ignoring.");
+
+ return 0;
+}
+
+int config_parse_set_status(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ size_t l;
+ const char *word, *state;
+ int r;
+ ExitStatusSet *status_set = data;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ /* Empty assignment resets the list */
+ if (isempty(rvalue)) {
+ exit_status_set_free(status_set);
+ return 0;
+ }
+
+ FOREACH_WORD(word, l, rvalue, state) {
+ _cleanup_free_ char *temp;
+ int val;
+ Set **set;
+
+ temp = strndup(word, l);
+ if (!temp)
+ return log_oom();
+
+ r = safe_atoi(temp, &val);
+ if (r < 0) {
+ val = signal_from_string_try_harder(temp);
+
+ if (val <= 0) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse value, ignoring: %s", word);
+ continue;
+ }
+ set = &status_set->signal;
+ } else {
+ if (val < 0 || val > 255) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Value %d is outside range 0-255, ignoring", val);
+ continue;
+ }
+ set = &status_set->status;
+ }
+
+ r = set_ensure_allocated(set, NULL);
+ if (r < 0)
+ return log_oom();
+
+ r = set_put(*set, INT_TO_PTR(val));
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Unable to store: %s", word);
+ return r;
+ }
+ }
+ if (!isempty(state))
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Trailing garbage, ignoring.");
+
+ return 0;
+}
+
+int config_parse_namespace_path_strv(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ char*** sv = data;
+ const char *prev;
+ const char *cur;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ if (isempty(rvalue)) {
+ /* Empty assignment resets the list */
+ *sv = strv_free(*sv);
+ return 0;
+ }
+
+ prev = cur = rvalue;
+ for (;;) {
+ _cleanup_free_ char *word = NULL;
+ int offset;
+
+ r = extract_first_word(&cur, &word, NULL, EXTRACT_QUOTES);
+ if (r == 0)
+ break;
+ if (r == -ENOMEM)
+ return log_oom();
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Trailing garbage, ignoring: %s", prev);
+ return 0;
+ }
+
+ if (!utf8_is_valid(word)) {
+ log_syntax_invalid_utf8(unit, LOG_ERR, filename, line, word);
+ prev = cur;
+ continue;
+ }
+
+ offset = word[0] == '-';
+ if (!path_is_absolute(word + offset)) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Not an absolute path, ignoring: %s", word);
+ prev = cur;
+ continue;
+ }
+
+ path_kill_slashes(word + offset);
+
+ r = strv_push(sv, word);
+ if (r < 0)
+ return log_oom();
+
+ prev = cur;
+ word = NULL;
+ }
+
+ return 0;
+}
+
+int config_parse_no_new_privileges(
+ const char* unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ ExecContext *c = data;
+ int k;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ k = parse_boolean(rvalue);
+ if (k < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, k, "Failed to parse boolean value, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ c->no_new_privileges = !!k;
+ c->no_new_privileges_set = true;
+
+ return 0;
+}
+
+int config_parse_protect_home(
+ const char* unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ ExecContext *c = data;
+ int k;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ /* Our enum shall be a superset of booleans, hence first try
+ * to parse as as boolean, and then as enum */
+
+ k = parse_boolean(rvalue);
+ if (k > 0)
+ c->protect_home = PROTECT_HOME_YES;
+ else if (k == 0)
+ c->protect_home = PROTECT_HOME_NO;
+ else {
+ ProtectHome h;
+
+ h = protect_home_from_string(rvalue);
+ if (h < 0){
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse protect home value, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ c->protect_home = h;
+ }
+
+ return 0;
+}
+
+int config_parse_protect_system(
+ const char* unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ ExecContext *c = data;
+ int k;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ /* Our enum shall be a superset of booleans, hence first try
+ * to parse as as boolean, and then as enum */
+
+ k = parse_boolean(rvalue);
+ if (k > 0)
+ c->protect_system = PROTECT_SYSTEM_YES;
+ else if (k == 0)
+ c->protect_system = PROTECT_SYSTEM_NO;
+ else {
+ ProtectSystem s;
+
+ s = protect_system_from_string(rvalue);
+ if (s < 0){
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse protect system value, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ c->protect_system = s;
+ }
+
+ 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, *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, but only if it is a valid
+ * unit name. */
+ name = basename(*filename);
+
+ if (unit_name_is_valid(name, UNIT_NAME_ANY)) {
+
+ id = set_get(names, name);
+ if (!id) {
+ id = strdup(name);
+ if (!id)
+ return -ENOMEM;
+
+ r = set_consume(names, id);
+ if (r < 0)
+ return r;
+ }
+ }
+
+ /* Try to open the file name, but don't if its a symlink */
+ fd = open(*filename, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW);
+ if (fd >= 0)
+ break;
+
+ if (errno != ELOOP)
+ return -errno;
+
+ /* Hmm, so this is a symlink. Let's read the name, and follow it manually */
+ r = readlink_and_make_absolute(*filename, &target);
+ if (r < 0)
+ return r;
+
+ free(*filename);
+ *filename = target;
+ }
+
+ f = fdopen(fd, "re");
+ if (!f) {
+ safe_close(fd);
+ return -errno;
+ }
+
+ *_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 */
+ r = unit_merge_by_name(*u, k);
+ if (r < 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)->manager, k);
+ free(k);
+
+ if (other) {
+ r = unit_merge(other, *u);
+ if (r >= 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 int load_from_path(Unit *u, const char *path) {
+ int r;
+ _cleanup_set_free_free_ Set *symlink_names = NULL;
+ _cleanup_fclose_ FILE *f = NULL;
+ _cleanup_free_ char *filename = NULL;
+ char *id = NULL;
+ Unit *merged;
+ struct stat st;
+
+ assert(u);
+ assert(path);
+
+ symlink_names = set_new(&string_hash_ops);
+ if (!symlink_names)
+ return -ENOMEM;
+
+ if (path_is_absolute(path)) {
+
+ filename = strdup(path);
+ if (!filename)
+ return -ENOMEM;
+
+ r = open_follow(&filename, &f, symlink_names, &id);
+ if (r < 0) {
+ filename = mfree(filename);
+ if (r != -ENOENT)
+ return r;
+ }
+
+ } else {
+ char **p;
+
+ STRV_FOREACH(p, u->manager->lookup_paths.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 */
+ filename = path_make_absolute(path, *p);
+ if (!filename)
+ return -ENOMEM;
+
+ if (u->manager->unit_path_cache &&
+ !set_get(u->manager->unit_path_cache, filename))
+ r = -ENOENT;
+ else
+ r = open_follow(&filename, &f, symlink_names, &id);
+
+ if (r < 0) {
+ filename = mfree(filename);
+ if (r != -ENOENT)
+ return r;
+
+ /* Empty the symlink names for the next run */
+ set_clear_free(symlink_names);
+ continue;
+ }
+
+ break;
+ }
+ }
+
+ if (!filename)
+ /* Hmm, no suitable file found? */
+ return 0;
+
+ merged = u;
+ r = merge_by_names(&merged, symlink_names, id);
+ if (r < 0)
+ return r;
+
+ if (merged != u) {
+ u->load_state = UNIT_MERGED;
+ return 0;
+ }
+
+ if (fstat(fileno(f), &st) < 0)
+ return -errno;
+
+ if (null_or_empty(&st))
+ u->load_state = UNIT_MASKED;
+ else {
+ u->load_state = UNIT_LOADED;
+
+ /* Now, parse the file contents */
+ r = config_parse(u->id, filename, f,
+ UNIT_VTABLE(u)->sections,
+ config_item_perf_lookup, load_fragment_gperf_lookup,
+ false, true, false, u);
+ if (r < 0)
+ return r;
+ }
+
+ free(u->fragment_path);
+ u->fragment_path = filename;
+ filename = NULL;
+
+ u->fragment_mtime = timespec_load(&st.st_mtim);
+
+ if (u->source_path) {
+ if (stat(u->source_path, &st) >= 0)
+ u->source_mtime = timespec_load(&st.st_mtim);
+ else
+ u->source_mtime = 0;
+ }
+
+ return 0;
+}
+
+int unit_load_fragment(Unit *u) {
+ int r;
+ Iterator i;
+ const char *t;
+
+ assert(u);
+ assert(u->load_state == UNIT_STUB);
+ assert(u->id);
+
+ if (u->transient) {
+ u->load_state = UNIT_LOADED;
+ return 0;
+ }
+
+ /* First, try to find the unit under its id. We always look
+ * for unit files in the default directories, to make it easy
+ * to override things by placing things in /etc/systemd/system */
+ r = load_from_path(u, u->id);
+ if (r < 0)
+ return r;
+
+ /* Try to find an alias we can load this with */
+ if (u->load_state == UNIT_STUB) {
+ SET_FOREACH(t, u->names, i) {
+
+ if (t == u->id)
+ continue;
+
+ r = load_from_path(u, t);
+ if (r < 0)
+ return r;
+
+ if (u->load_state != UNIT_STUB)
+ break;
+ }
+ }
+
+ /* And now, try looking for it under the suggested (originally linked) path */
+ if (u->load_state == UNIT_STUB && u->fragment_path) {
+
+ r = load_from_path(u, u->fragment_path);
+ if (r < 0)
+ return r;
+
+ if (u->load_state == UNIT_STUB)
+ /* Hmm, this didn't work? Then let's get rid
+ * of the fragment path stored for us, so that
+ * we don't point to an invalid location. */
+ u->fragment_path = mfree(u->fragment_path);
+ }
+
+ /* Look for a template */
+ if (u->load_state == UNIT_STUB && u->instance) {
+ _cleanup_free_ char *k = NULL;
+
+ r = unit_name_template(u->id, &k);
+ if (r < 0)
+ return r;
+
+ r = load_from_path(u, k);
+ if (r < 0)
+ return r;
+
+ if (u->load_state == UNIT_STUB) {
+ SET_FOREACH(t, u->names, i) {
+ _cleanup_free_ char *z = NULL;
+
+ if (t == u->id)
+ continue;
+
+ r = unit_name_template(t, &z);
+ if (r < 0)
+ return r;
+
+ r = load_from_path(u, z);
+ if (r < 0)
+ return r;
+
+ if (u->load_state != UNIT_STUB)
+ break;
+ }
+ }
+ }
+
+ return 0;
+}
+
+void unit_dump_config_items(FILE *f) {
+ static const struct {
+ const ConfigParserCallback callback;
+ const char *rvalue;
+ } table[] = {
+#if !defined(HAVE_SYSV_COMPAT) || !defined(HAVE_SECCOMP) || !defined(HAVE_PAM) || !defined(HAVE_SELINUX) || !defined(HAVE_SMACK) || !defined(HAVE_APPARMOR)
+ { config_parse_warn_compat, "NOTSUPPORTED" },
+#endif
+ { config_parse_int, "INTEGER" },
+ { config_parse_unsigned, "UNSIGNED" },
+ { config_parse_iec_size, "SIZE" },
+ { config_parse_iec_uint64, "SIZE" },
+ { config_parse_si_size, "SIZE" },
+ { config_parse_bool, "BOOLEAN" },
+ { config_parse_string, "STRING" },
+ { config_parse_path, "PATH" },
+ { config_parse_unit_path_printf, "PATH" },
+ { config_parse_strv, "STRING [...]" },
+ { config_parse_exec_nice, "NICE" },
+ { config_parse_exec_oom_score_adjust, "OOMSCOREADJUST" },
+ { config_parse_exec_io_class, "IOCLASS" },
+ { config_parse_exec_io_priority, "IOPRIORITY" },
+ { config_parse_exec_cpu_sched_policy, "CPUSCHEDPOLICY" },
+ { config_parse_exec_cpu_sched_prio, "CPUSCHEDPRIO" },
+ { config_parse_exec_cpu_affinity, "CPUAFFINITY" },
+ { config_parse_mode, "MODE" },
+ { config_parse_unit_env_file, "FILE" },
+ { config_parse_output, "OUTPUT" },
+ { config_parse_input, "INPUT" },
+ { config_parse_log_facility, "FACILITY" },
+ { config_parse_log_level, "LEVEL" },
+ { config_parse_exec_capabilities, "CAPABILITIES" },
+ { config_parse_exec_secure_bits, "SECUREBITS" },
+ { config_parse_capability_set, "BOUNDINGSET" },
+ { config_parse_limit, "LIMIT" },
+ { config_parse_unit_deps, "UNIT [...]" },
+ { config_parse_exec, "PATH [ARGUMENT [...]]" },
+ { config_parse_service_type, "SERVICETYPE" },
+ { config_parse_service_restart, "SERVICERESTART" },
+#ifdef HAVE_SYSV_COMPAT
+ { config_parse_sysv_priority, "SYSVPRIORITY" },
+#endif
+ { config_parse_kill_mode, "KILLMODE" },
+ { config_parse_signal, "SIGNAL" },
+ { config_parse_socket_listen, "SOCKET [...]" },
+ { config_parse_socket_bind, "SOCKETBIND" },
+ { config_parse_socket_bindtodevice, "NETWORKINTERFACE" },
+ { config_parse_sec, "SECONDS" },
+ { config_parse_nsec, "NANOSECONDS" },
+ { config_parse_namespace_path_strv, "PATH [...]" },
+ { config_parse_unit_requires_mounts_for, "PATH [...]" },
+ { config_parse_exec_mount_flags, "MOUNTFLAG [...]" },
+ { config_parse_unit_string_printf, "STRING" },
+ { config_parse_trigger_unit, "UNIT" },
+ { config_parse_timer, "TIMER" },
+ { config_parse_path_spec, "PATH" },
+ { config_parse_notify_access, "ACCESS" },
+ { config_parse_ip_tos, "TOS" },
+ { config_parse_unit_condition_path, "CONDITION" },
+ { config_parse_unit_condition_string, "CONDITION" },
+ { config_parse_unit_condition_null, "CONDITION" },
+ { config_parse_unit_slice, "SLICE" },
+ { config_parse_documentation, "URL" },
+ { config_parse_service_timeout, "SECONDS" },
+ { config_parse_failure_action, "ACTION" },
+ { config_parse_set_status, "STATUS" },
+ { config_parse_service_sockets, "SOCKETS" },
+ { config_parse_environ, "ENVIRON" },
+#ifdef HAVE_SECCOMP
+ { config_parse_syscall_filter, "SYSCALLS" },
+ { config_parse_syscall_archs, "ARCHS" },
+ { config_parse_syscall_errno, "ERRNO" },
+ { config_parse_address_families, "FAMILIES" },
+#endif
+ { config_parse_cpu_shares, "SHARES" },
+ { config_parse_memory_limit, "LIMIT" },
+ { config_parse_device_allow, "DEVICE" },
+ { config_parse_device_policy, "POLICY" },
+ { config_parse_blockio_bandwidth, "BANDWIDTH" },
+ { config_parse_blockio_weight, "WEIGHT" },
+ { config_parse_blockio_device_weight, "DEVICEWEIGHT" },
+ { config_parse_long, "LONG" },
+ { config_parse_socket_service, "SERVICE" },
+#ifdef HAVE_SELINUX
+ { config_parse_exec_selinux_context, "LABEL" },
+#endif
+ { config_parse_job_mode, "MODE" },
+ { config_parse_job_mode_isolate, "BOOLEAN" },
+ { config_parse_personality, "PERSONALITY" },
+ };
+
+ const char *prev = NULL;
+ const char *i;
+
+ assert(f);
+
+ NULSTR_FOREACH(i, load_fragment_gperf_nulstr) {
+ const char *rvalue = "OTHER", *lvalue;
+ unsigned j;
+ size_t prefix_len;
+ const char *dot;
+ const ConfigPerfItem *p;
+
+ assert_se(p = load_fragment_gperf_lookup(i, strlen(i)));
+
+ dot = strchr(i, '.');
+ lvalue = dot ? dot + 1 : i;
+ prefix_len = dot-i;
+
+ if (dot)
+ if (!prev || !strneq(prev, i, prefix_len+1)) {
+ if (prev)
+ fputc('\n', f);
+
+ fprintf(f, "[%.*s]\n", (int) prefix_len, i);
+ }
+
+ for (j = 0; j < ELEMENTSOF(table); j++)
+ if (p->parse == table[j].callback) {
+ rvalue = table[j].rvalue;
+ break;
+ }
+
+ fprintf(f, "%s=%s\n", lvalue, rvalue);
+ prev = i;
+ }
+}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-06 19:29:28 +0000