/* SPDX-License-Identifier: LGPL-2.1+ */
#include <errno.h>
#include <limits.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include "alloc-util.h"
#include "conf-files.h"
#include "conf-parser.h"
#include "def.h"
#include "extract-word.h"
#include "fd-util.h"
#include "fileio.h"
#include "fs-util.h"
#include "log.h"
#include "macro.h"
#include "parse-util.h"
#include "path-util.h"
#include "process-util.h"
#include "signal-util.h"
#include "socket-util.h"
#include "string-util.h"
#include "strv.h"
#include "syslog-util.h"
#include "time-util.h"
#include "utf8.h"
#include "rlimit-util.h"
int config_item_table_lookup(
const void *table,
const char *section,
const char *lvalue,
ConfigParserCallback *func,
int *ltype,
void **data,
void *userdata) {
const ConfigTableItem *t;
assert(table);
assert(lvalue);
assert(func);
assert(ltype);
assert(data);
for (t = table; t->lvalue; t++) {
if (!streq(lvalue, t->lvalue))
continue;
if (!streq_ptr(section, t->section))
continue;
*func = t->parse;
*ltype = t->ltype;
*data = t->data;
return 1;
}
return 0;
}
int config_item_perf_lookup(
const void *table,
const char *section,
const char *lvalue,
ConfigParserCallback *func,
int *ltype,
void **data,
void *userdata) {
ConfigPerfItemLookup lookup = (ConfigPerfItemLookup) table;
const ConfigPerfItem *p;
assert(table);
assert(lvalue);
assert(func);
assert(ltype);
assert(data);
if (!section)
p = lookup(lvalue, strlen(lvalue));
else {
char *key;
key = strjoin(section, ".", lvalue);
if (!key)
return -ENOMEM;
p = lookup(key, strlen(key));
free(key);
}
if (!p)
return 0;
*func = p->parse;
*ltype = p->ltype;
*data = (uint8_t*) userdata + p->offset;
return 1;
}
/* Run the user supplied parser for an assignment */
static int next_assignment(
const char *unit,
const char *filename,
unsigned line,
ConfigItemLookup lookup,
const void *table,
const char *section,
unsigned section_line,
const char *lvalue,
const char *rvalue,
ConfigParseFlags flags,
void *userdata) {
ConfigParserCallback func = NULL;
int ltype = 0;
void *data = NULL;
int r;
assert(filename);
assert(line > 0);
assert(lookup);
assert(lvalue);
assert(rvalue);
r = lookup(table, section, lvalue, &func, <ype, &data, userdata);
if (r < 0)
return r;
if (r > 0) {
if (func)
return func(unit, filename, line, section, section_line,
lvalue, ltype, rvalue, data, userdata);
return 0;
}
/* Warn about unknown non-extension fields. */
if (!(flags & CONFIG_PARSE_RELAXED) && !startswith(lvalue, "X-"))
log_syntax(unit, LOG_WARNING, filename, line, 0, "Unknown lvalue '%s' in section '%s'", lvalue, section);
return 0;
}
/* Parse a single logical line */
static int parse_line(
const char* unit,
const char *filename,
unsigned line,
const char *sections,
ConfigItemLookup lookup,
const void *table,
ConfigParseFlags flags,
char **section,
unsigned *section_line,
bool *section_ignored,
char *l,
void *userdata) {
char *e, *include;
assert(filename);
assert(line > 0);
assert(lookup);
assert(l);
l = strstrip(l);
if (!*l)
return 0;
if (strchr(COMMENTS "\n", *l))
return 0;
include = first_word(l, ".include");
if (include) {
_cleanup_free_ char *fn = NULL;
/* .includes are a bad idea, we only support them here
* for historical reasons. They create cyclic include
* problems and make it difficult to detect
* configuration file changes with an easy
* stat(). Better approaches, such as .d/ drop-in
* snippets exist.
*
* Support for them should be eventually removed. */
if (!(flags & CONFIG_PARSE_ALLOW_INCLUDE)) {
log_syntax(unit, LOG_ERR, filename, line, 0, ".include not allowed here. Ignoring.");
return 0;
}
log_syntax(unit, LOG_WARNING, filename, line, 0,
".include directives are deprecated, and support for them will be removed in a future version of systemd. "
"Please use drop-in files instead.");
fn = file_in_same_dir(filename, strstrip(include));
if (!fn)
return -ENOMEM;
return config_parse(unit, fn, NULL, sections, lookup, table, flags, userdata);
}
if (!utf8_is_valid(l))
return log_syntax_invalid_utf8(unit, LOG_WARNING, filename, line, l);
if (*l == '[') {
size_t k;
char *n;
k = strlen(l);
assert(k > 0);
if (l[k-1] != ']') {
log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid section header '%s'", l);
return -EBADMSG;
}
n = strndup(l+1, k-2);
if (!n)
return -ENOMEM;
if (sections && !nulstr_contains(sections, n)) {
if (!(flags & CONFIG_PARSE_RELAXED) && !startswith(n, "X-"))
log_syntax(unit, LOG_WARNING, filename, line, 0, "Unknown section '%s'. Ignoring.", n);
free(n);
*section = mfree(*section);
*section_line = 0;
*section_ignored = true;
} else {
free_and_replace(*section, n);
*section_line = line;
*section_ignored = false;
}
return 0;
}
if (sections && !*section) {
if (!(flags & CONFIG_PARSE_RELAXED) && !*section_ignored)
log_syntax(unit, LOG_WARNING, filename, line, 0, "Assignment outside of section. Ignoring.");
return 0;
}
e = strchr(l, '=');
if (!e) {
log_syntax(unit, LOG_WARNING, filename, line, 0, "Missing '='.");
return -EINVAL;
}
*e = 0;
e++;
return next_assignment(unit,
filename,
line,
lookup,
table,
*section,
*section_line,
strstrip(l),
strstrip(e),
flags,
userdata);
}
/* Go through the file and parse each line */
int config_parse(const char *unit,
const char *filename,
FILE *f,
const char *sections,
ConfigItemLookup lookup,
const void *table,
ConfigParseFlags flags,
void *userdata) {
_cleanup_free_ char *section = NULL, *continuation = NULL;
_cleanup_fclose_ FILE *ours = NULL;
unsigned line = 0, section_line = 0;
bool section_ignored = false;
int r;
assert(filename);
assert(lookup);
if (!f) {
f = ours = fopen(filename, "re");
if (!f) {
/* Only log on request, except for ENOENT,
* since we return 0 to the caller. */
if ((flags & CONFIG_PARSE_WARN) || errno == ENOENT)
log_full_errno(errno == ENOENT ? LOG_DEBUG : LOG_ERR, errno,
"Failed to open configuration file '%s': %m", filename);
return errno == ENOENT ? 0 : -errno;
}
}
fd_warn_permissions(filename, fileno(f));
for (;;) {
_cleanup_free_ char *buf = NULL;
bool escaped = false;
char *l, *p, *e;
r = read_line(f, LONG_LINE_MAX, &buf);
if (r == 0)
break;
if (r == -ENOBUFS) {
if (flags & CONFIG_PARSE_WARN)
log_error_errno(r, "%s:%u: Line too long", filename, line);
return r;
}
if (r < 0) {
if (CONFIG_PARSE_WARN)
log_error_errno(r, "%s:%u: Error while reading configuration file: %m", filename, line);
return r;
}
l = buf;
if (!(flags & CONFIG_PARSE_REFUSE_BOM)) {
char *q;
q = startswith(buf, UTF8_BYTE_ORDER_MARK);
if (q) {
l = q;
flags |= CONFIG_PARSE_REFUSE_BOM;
}
}
if (continuation) {
if (strlen(continuation) + strlen(l) > LONG_LINE_MAX) {
if (flags & CONFIG_PARSE_WARN)
log_error("%s:%u: Continuation line too long", filename, line);
return -ENOBUFS;
}
if (!strextend(&continuation, l, NULL)) {
if (flags & CONFIG_PARSE_WARN)
log_oom();
return -ENOMEM;
}
p = continuation;
} else
p = l;
for (e = p; *e; e++) {
if (escaped)
escaped = false;
else if (*e == '\\')
escaped = true;
}
if (escaped) {
*(e-1) = ' ';
if (!continuation) {
continuation = strdup(l);
if (!continuation) {
if (flags & CONFIG_PARSE_WARN)
log_oom();
return -ENOMEM;
}
}
continue;
}
r = parse_line(unit,
filename,
++line,
sections,
lookup,
table,
flags,
§ion,
§ion_line,
§ion_ignored,
p,
userdata);
if (r < 0) {
if (flags & CONFIG_PARSE_WARN)
log_warning_errno(r, "%s:%u: Failed to parse file: %m", filename, line);
return r;
}
continuation = mfree(continuation);
}
if (continuation) {
r = parse_line(unit,
filename,
++line,
sections,
lookup,
table,
flags,
§ion,
§ion_line,
§ion_ignored,
continuation,
userdata);
if (r < 0) {
if (flags & CONFIG_PARSE_WARN)
log_warning_errno(r, "%s:%u: Failed to parse file: %m", filename, line);
return r;
}
}
return 0;
}
static int config_parse_many_files(
const char *conf_file,
char **files,
const char *sections,
ConfigItemLookup lookup,
const void *table,
ConfigParseFlags flags,
void *userdata) {
char **fn;
int r;
if (conf_file) {
r = config_parse(NULL, conf_file, NULL, sections, lookup, table, flags, userdata);
if (r < 0)
return r;
}
STRV_FOREACH(fn, files) {
r = config_parse(NULL, *fn, NULL, sections, lookup, table, flags, userdata);
if (r < 0)
return r;
}
return 0;
}
/* Parse each config file in the directories specified as nulstr. */
int config_parse_many_nulstr(
const char *conf_file,
const char *conf_file_dirs,
const char *sections,
ConfigItemLookup lookup,
const void *table,
ConfigParseFlags flags,
void *userdata) {
_cleanup_strv_free_ char **files = NULL;
int r;
r = conf_files_list_nulstr(&files, ".conf", NULL, 0, conf_file_dirs);
if (r < 0)
return r;
return config_parse_many_files(conf_file, files, sections, lookup, table, flags, userdata);
}
/* Parse each config file in the directories specified as strv. */
int config_parse_many(
const char *conf_file,
const char* const* conf_file_dirs,
const char *dropin_dirname,
const char *sections,
ConfigItemLookup lookup,
const void *table,
ConfigParseFlags flags,
void *userdata) {
_cleanup_strv_free_ char **dropin_dirs = NULL;
_cleanup_strv_free_ char **files = NULL;
const char *suffix;
int r;
suffix = strjoina("/", dropin_dirname);
r = strv_extend_strv_concat(&dropin_dirs, (char**) conf_file_dirs, suffix);
if (r < 0)
return r;
r = conf_files_list_strv(&files, ".conf", NULL, 0, (const char* const*) dropin_dirs);
if (r < 0)
return r;
return config_parse_many_files(conf_file, files, sections, lookup, table, flags, userdata);
}
#define DEFINE_PARSER(type, vartype, conv_func) \
DEFINE_CONFIG_PARSE_PTR(config_parse_##type, conv_func, vartype, "Failed to parse " #type " value")
DEFINE_PARSER(int, int, safe_atoi);
DEFINE_PARSER(long, long, safe_atoli);
DEFINE_PARSER(uint8, uint8_t, safe_atou8);
DEFINE_PARSER(uint16, uint16_t, safe_atou16);
DEFINE_PARSER(uint32, uint32_t, safe_atou32);
DEFINE_PARSER(uint64, uint64_t, safe_atou64);
DEFINE_PARSER(unsigned, unsigned, safe_atou);
DEFINE_PARSER(double, double, safe_atod);
DEFINE_PARSER(nsec, nsec_t, parse_nsec);
DEFINE_PARSER(sec, usec_t, parse_sec);
DEFINE_PARSER(mode, mode_t, parse_mode);
int config_parse_iec_size(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 *sz = data;
uint64_t v;
int r;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(data);
r = parse_size(rvalue, 1024, &v);
if (r < 0 || (uint64_t) (size_t) v != v) {
log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse size value, ignoring: %s", rvalue);
return 0;
}
*sz = (size_t) v;
return 0;
}
int config_parse_si_size(
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 *sz = data;
uint64_t v;
int r;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(data);
r = parse_size(rvalue, 1000, &v);
if (r < 0 || (uint64_t) (size_t) v != v) {
log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse size value, ignoring: %s", rvalue);
return 0;
}
*sz = (size_t) v;
return 0;
}
int config_parse_iec_uint64(
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 *bytes = data;
int r;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(data);
r = parse_size(rvalue, 1024, bytes);
if (r < 0)
log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse size value, ignoring: %s", rvalue);
return 0;
}
int config_parse_bool(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 k;
bool *b = data;
bool fatal = ltype;
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%s: %s",
fatal ? "" : ", ignoring", rvalue);
return fatal ? -ENOEXEC : 0;
}
*b = k;
return 0;
}
int config_parse_tristate(
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 k, *t = data;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(data);
/* A tristate is pretty much a boolean, except that it can
* also take the special value -1, indicating "uninitialized",
* much like NULL is for a pointer type. */
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;
}
*t = !!k;
return 0;
}
int config_parse_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) {
char **s = data;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(data);
if (free_and_strdup(s, empty_to_null(rvalue)) < 0)
return log_oom();
return 0;
}
int config_parse_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 *n = NULL;
bool fatal = ltype;
char **s = data;
int r;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(data);
if (isempty(rvalue))
goto finalize;
n = strdup(rvalue);
if (!n)
return log_oom();
r = path_simplify_and_warn(n, PATH_CHECK_ABSOLUTE | (fatal ? PATH_CHECK_FATAL : 0), unit, filename, line, lvalue);
if (r < 0)
return fatal ? -ENOEXEC : 0;
finalize:
return free_and_replace(*s, n);
}
int config_parse_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;
int r;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(data);
if (isempty(rvalue)) {
*sv = strv_free(*sv);
return 0;
}
for (;;) {
char *word = NULL;
r = extract_first_word(&rvalue, &word, NULL, EXTRACT_QUOTES|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 = strv_consume(sv, word);
if (r < 0)
return log_oom();
}
return 0;
}
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_log_facility(
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 *o = data, x;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(data);
x = log_facility_unshifted_from_string(rvalue);
if (x < 0) {
log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse log facility, ignoring: %s", rvalue);
return 0;
}
*o = (x << 3) | LOG_PRI(*o);
return 0;
}
int config_parse_log_level(
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 *o = data, x;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(data);
x = log_level_from_string(rvalue);
if (x < 0) {
log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse log level, ignoring: %s", rvalue);
return 0;
}
if (*o < 0) /* if it wasn't initialized so far, assume zero facility */
*o = x;
else
*o = (*o & LOG_FACMASK) | x;
return 0;
}
int config_parse_signal(
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 *sig = data, r;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(sig);
r = signal_from_string(rvalue);
if (r <= 0) {
log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse signal name, ignoring: %s", rvalue);
return 0;
}
*sig = r;
return 0;
}
int config_parse_personality(
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 *personality = data, p;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(personality);
if (isempty(rvalue))
p = PERSONALITY_INVALID;
else {
p = personality_from_string(rvalue);
if (p == PERSONALITY_INVALID) {
log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse personality, ignoring: %s", rvalue);
return 0;
}
}
*personality = p;
return 0;
}
int config_parse_ifname(
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 **s = data;
int r;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(data);
if (isempty(rvalue)) {
*s = mfree(*s);
return 0;
}
if (!ifname_valid(rvalue)) {
log_syntax(unit, LOG_ERR, filename, line, 0, "Interface name is not valid or too long, ignoring assignment: %s", rvalue);
return 0;
}
r = free_and_strdup(s, rvalue);
if (r < 0)
return log_oom();
return 0;
}
int config_parse_ip_port(
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) {
uint16_t *s = data;
uint16_t port;
int r;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(data);
if (isempty(rvalue)) {
*s = 0;
return 0;
}
r = parse_ip_port(rvalue, &port);
if (r < 0) {
log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse port '%s'.", rvalue);
return 0;
}
*s = port;
return 0;
}
int config_parse_join_controllers(
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 ****ret = data;
const char *whole_rvalue = rvalue;
unsigned n = 0;
_cleanup_(strv_free_freep) char ***controllers = NULL;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(ret);
for (;;) {
_cleanup_free_ char *word = NULL;
char **l;
int r;
r = extract_first_word(&rvalue, &word, NULL, EXTRACT_QUOTES);
if (r < 0) {
log_syntax(unit, LOG_ERR, filename, line, r, "Invalid value for %s: %s", lvalue, whole_rvalue);
return r;
}
if (r == 0)
break;
l = strv_split(word, ",");
if (!l)
return log_oom();
strv_uniq(l);
if (strv_length(l) <= 1) {
strv_free(l);
continue;
}
if (!controllers) {
controllers = new(char**, 2);
if (!controllers) {
strv_free(l);
return log_oom();
}
controllers[0] = l;
controllers[1] = NULL;
n = 1;
} else {
char ***a;
char ***t;
t = new0(char**, n+2);
if (!t) {
strv_free(l);
return log_oom();
}
n = 0;
for (a = controllers; *a; a++)
if (strv_overlap(*a, l)) {
if (strv_extend_strv(&l, *a, false) < 0) {
strv_free(l);
strv_free_free(t);
return log_oom();
}
} else {
char **c;
c = strv_copy(*a);
if (!c) {
strv_free(l);
strv_free_free(t);
return log_oom();
}
t[n++] = c;
}
t[n++] = strv_uniq(l);
strv_free_free(controllers);
controllers = t;
}
}
if (!isempty(rvalue))
log_syntax(unit, LOG_ERR, filename, line, 0, "Trailing garbage, ignoring.");
/* As a special case, return a single empty strv, to override the default */
if (!controllers) {
controllers = new(char**, 2);
if (!controllers)
return log_oom();
controllers[0] = strv_new(NULL, NULL);
if (!controllers[0])
return log_oom();
controllers[1] = NULL;
}
strv_free_free(*ret);
*ret = TAKE_PTR(controllers);
return 0;
}
int config_parse_mtu(
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) {
uint32_t *mtu = data;
int r;
assert(rvalue);
assert(mtu);
r = parse_mtu(ltype, rvalue, mtu);
if (r == -ERANGE) {
log_syntax(unit, LOG_ERR, filename, line, r,
"Maximum transfer unit (MTU) value out of range. Permitted range is %" PRIu32 "…%" PRIu32 ", ignoring: %s",
(uint32_t) (ltype == AF_INET6 ? IPV6_MIN_MTU : IPV4_MIN_MTU), (uint32_t) UINT32_MAX,
rvalue);
return 0;
}
if (r < 0) {
log_syntax(unit, LOG_ERR, filename, line, r,
"Failed to parse MTU value '%s', ignoring: %m", rvalue);
return 0;
}
return 0;
}
int config_parse_rlimit(
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(rvalue);
assert(rl);
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;
}
int config_parse_permille(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 *permille = data;
int r;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(permille);
r = parse_permille(rvalue);
if (r < 0) {
log_syntax(unit, LOG_ERR, filename, line, r,
"Failed to parse permille value, ignoring: %s", rvalue);
return 0;
}
*permille = (unsigned) r;
return 0;
}