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-rw-r--r--src/shared/conf-parser.c665
1 files changed, 446 insertions, 219 deletions
diff --git a/src/shared/conf-parser.c b/src/shared/conf-parser.c
index 7b3ac8999..e65fee5bc 100644
--- a/src/shared/conf-parser.c
+++ b/src/shared/conf-parser.c
@@ -1,21 +1,4 @@
-/***
- This file is part of systemd.
-
- Copyright 2010 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU 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/>.
-***/
+/* SPDX-License-Identifier: LGPL-2.1+ */
#include <errno.h>
#include <limits.h>
@@ -28,21 +11,29 @@
#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 "rlimit-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"
+/// Additional includes needed by elogind
+#include "def.h"
+#include "fileio.h"
+
int config_item_table_lookup(
const void *table,
const char *section,
@@ -118,17 +109,18 @@ int config_item_perf_lookup(
}
/* 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,
- bool relaxed,
- void *userdata) {
+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;
@@ -154,28 +146,28 @@ static int next_assignment(const char *unit,
}
/* Warn about unknown non-extension fields. */
- if (!relaxed && !startswith(lvalue, "X-"))
+ 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 variable assignment line */
-static int parse_line(const char* unit,
- const char *filename,
- unsigned line,
- const char *sections,
- ConfigItemLookup lookup,
- const void *table,
- bool relaxed,
- bool allow_include,
- char **section,
- unsigned *section_line,
- bool *section_ignored,
- char *l,
- void *userdata) {
+/* 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;
+ char *e, *include;
assert(filename);
assert(line > 0);
@@ -183,14 +175,14 @@ static int parse_line(const char* unit,
assert(l);
l = strstrip(l);
-
if (!*l)
return 0;
if (strchr(COMMENTS "\n", *l))
return 0;
- if (startswith(l, ".include ")) {
+ include = first_word(l, ".include");
+ if (include) {
_cleanup_free_ char *fn = NULL;
/* .includes are a bad idea, we only support them here
@@ -202,18 +194,25 @@ static int parse_line(const char* unit,
*
* Support for them should be eventually removed. */
- if (!allow_include) {
+ if (!(flags & CONFIG_PARSE_ALLOW_INCLUDE)) {
log_syntax(unit, LOG_ERR, filename, line, 0, ".include not allowed here. Ignoring.");
return 0;
}
- fn = file_in_same_dir(filename, strstrip(l+9));
+ log_syntax(unit, LOG_WARNING, filename, line, 0,
+ ".include directives are deprecated, and support for them will be removed in a future version of elogind. "
+ "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, relaxed, false, false, userdata);
+ 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;
@@ -232,7 +231,7 @@ static int parse_line(const char* unit,
if (sections && !nulstr_contains(sections, n)) {
- if (!relaxed && !startswith(n, "X-"))
+ if (!(flags & CONFIG_PARSE_RELAXED) && !startswith(n, "X-"))
log_syntax(unit, LOG_WARNING, filename, line, 0, "Unknown section '%s'. Ignoring.", n);
free(n);
@@ -240,8 +239,7 @@ static int parse_line(const char* unit,
*section_line = 0;
*section_ignored = true;
} else {
- free(*section);
- *section = n;
+ free_and_replace(*section, n);
*section_line = line;
*section_ignored = false;
}
@@ -251,7 +249,7 @@ static int parse_line(const char* unit,
if (sections && !*section) {
- if (!relaxed && !*section_ignored)
+ if (!(flags & CONFIG_PARSE_RELAXED) && !*section_ignored)
log_syntax(unit, LOG_WARNING, filename, line, 0, "Assignment outside of section. Ignoring.");
return 0;
@@ -275,7 +273,7 @@ static int parse_line(const char* unit,
*section_line,
strstrip(l),
strstrip(e),
- relaxed,
+ flags,
userdata);
}
@@ -286,15 +284,13 @@ int config_parse(const char *unit,
const char *sections,
ConfigItemLookup lookup,
const void *table,
- bool relaxed,
- bool allow_include,
- bool warn,
+ 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, allow_bom = true;
+ bool section_ignored = false;
int r;
assert(filename);
@@ -305,9 +301,9 @@ int config_parse(const char *unit,
if (!f) {
/* Only log on request, except for ENOENT,
* since we return 0 to the caller. */
- if (warn || errno == ENOENT)
- log_full(errno == ENOENT ? LOG_DEBUG : LOG_ERR,
- "Failed to open configuration file '%s': %m", filename);
+ 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;
}
}
@@ -315,33 +311,51 @@ int config_parse(const char *unit,
fd_warn_permissions(filename, fileno(f));
for (;;) {
- char buf[LINE_MAX], *l, *p, *c = NULL, *e;
+ _cleanup_free_ char *buf = NULL;
bool escaped = false;
+ char *l, *p, *e;
- if (!fgets(buf, sizeof buf, f)) {
- if (feof(f))
- break;
+ 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 log_error_errno(errno, "Failed to read configuration file '%s': %m", filename);
+ 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 (allow_bom && startswith(l, UTF8_BYTE_ORDER_MARK))
- l += strlen(UTF8_BYTE_ORDER_MARK);
- allow_bom = false;
+ if (!(flags & CONFIG_PARSE_REFUSE_BOM)) {
+ char *q;
- truncate_nl(l);
+ q = startswith(buf, UTF8_BYTE_ORDER_MARK);
+ if (q) {
+ l = q;
+ flags |= CONFIG_PARSE_REFUSE_BOM;
+ }
+ }
if (continuation) {
- c = strappend(continuation, l);
- if (!c) {
- if (warn)
+ 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;
}
- continuation = mfree(continuation);
- p = c;
+ p = continuation;
} else
p = l;
@@ -355,12 +369,10 @@ int config_parse(const char *unit,
if (escaped) {
*(e-1) = ' ';
- if (c)
- continuation = c;
- else {
+ if (!continuation) {
continuation = strdup(l);
if (!continuation) {
- if (warn)
+ if (flags & CONFIG_PARSE_WARN)
log_oom();
return -ENOMEM;
}
@@ -375,19 +387,37 @@ int config_parse(const char *unit,
sections,
lookup,
table,
- relaxed,
- allow_include,
+ flags,
&section,
&section_line,
&section_ignored,
p,
userdata);
- free(c);
+ 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,
+ &section,
+ &section_line,
+ &section_ignored,
+ continuation,
+ userdata);
if (r < 0) {
- if (warn)
- log_warning_errno(r, "Failed to parse file '%s': %m",
- filename);
+ if (flags & CONFIG_PARSE_WARN)
+ log_warning_errno(r, "%s:%u: Failed to parse file: %m", filename, line);
return r;
}
}
@@ -401,20 +431,20 @@ static int config_parse_many_files(
const char *sections,
ConfigItemLookup lookup,
const void *table,
- bool relaxed,
+ ConfigParseFlags flags,
void *userdata) {
char **fn;
int r;
if (conf_file) {
- r = config_parse(NULL, conf_file, NULL, sections, lookup, table, relaxed, false, true, userdata);
+ 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, relaxed, false, true, userdata);
+ r = config_parse(NULL, *fn, NULL, sections, lookup, table, flags, userdata);
if (r < 0)
return r;
}
@@ -429,18 +459,17 @@ int config_parse_many_nulstr(
const char *sections,
ConfigItemLookup lookup,
const void *table,
- bool relaxed,
+ ConfigParseFlags flags,
void *userdata) {
_cleanup_strv_free_ char **files = NULL;
int r;
- r = conf_files_list_nulstr(&files, ".conf", NULL, conf_file_dirs);
+ 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, relaxed, userdata);
+ return config_parse_many_files(conf_file, files, sections, lookup, table, flags, userdata);
}
#if 0 /// UNNEEDED by elogind
@@ -452,7 +481,7 @@ int config_parse_many(
const char *sections,
ConfigItemLookup lookup,
const void *table,
- bool relaxed,
+ ConfigParseFlags flags,
void *userdata) {
_cleanup_strv_free_ char **dropin_dirs = NULL;
@@ -465,45 +494,16 @@ int config_parse_many(
if (r < 0)
return r;
- r = conf_files_list_strv(&files, ".conf", NULL, (const char* const*) dropin_dirs);
+ 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, relaxed, userdata);
+ return config_parse_many_files(conf_file, files, sections, lookup, table, flags, userdata);
}
#endif // 0
#define DEFINE_PARSER(type, vartype, conv_func) \
- int config_parse_##type( \
- 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) { \
- \
- vartype *i = data; \
- int r; \
- \
- assert(filename); \
- assert(lvalue); \
- assert(rvalue); \
- assert(data); \
- \
- r = conv_func(rvalue, i); \
- if (r < 0) \
- log_syntax(unit, LOG_ERR, filename, line, r, \
- "Failed to parse %s value, ignoring: %s", \
- #type, rvalue); \
- \
- return 0; \
- } \
- struct __useless_struct_to_allow_trailing_semicolon__
+ 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);
@@ -519,6 +519,7 @@ DEFINE_PARSER(double, double, safe_atod);
DEFINE_PARSER(nsec, nsec_t, parse_nsec);
#endif // 0
DEFINE_PARSER(sec, usec_t, parse_sec);
+#if 0 /// UNNEEDED by elogind
DEFINE_PARSER(mode, mode_t, parse_mode);
int config_parse_iec_size(const char* unit,
@@ -551,17 +552,17 @@ int config_parse_iec_size(const char* unit,
return 0;
}
-#if 0 /// UNNEEDED by elogind
-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) {
+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;
@@ -582,16 +583,17 @@ int config_parse_si_size(const char* unit,
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) {
+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;
@@ -637,7 +639,7 @@ int config_parse_bool(const char* unit,
return fatal ? -ENOEXEC : 0;
}
- *b = !!k;
+ *b = k;
return 0;
}
@@ -688,32 +690,20 @@ int config_parse_string(
void *data,
void *userdata) {
- char **s = data, *n;
+ char **s = data;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(data);
- if (!utf8_is_valid(rvalue)) {
- log_syntax_invalid_utf8(unit, LOG_ERR, filename, line, rvalue);
- return 0;
- }
-
- if (isempty(rvalue))
- n = NULL;
- else {
- n = strdup(rvalue);
- if (!n)
- return log_oom();
- }
-
- free(*s);
- *s = n;
+ if (free_and_strdup(s, empty_to_null(rvalue)) < 0)
+ return log_oom();
return 0;
}
+#if 0 /// UNNEEDED by elogind
int config_parse_path(
const char *unit,
const char *filename,
@@ -726,48 +716,43 @@ int config_parse_path(
void *data,
void *userdata) {
- char **s = data, *n;
+ _cleanup_free_ char *n = NULL;
bool fatal = ltype;
+ char **s = data;
+ int r;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(data);
- if (!utf8_is_valid(rvalue)) {
- log_syntax_invalid_utf8(unit, LOG_ERR, filename, line, rvalue);
- return fatal ? -ENOEXEC : 0;
- }
-
- if (!path_is_absolute(rvalue)) {
- log_syntax(unit, LOG_ERR, filename, line, 0,
- "Not an absolute path%s: %s",
- fatal ? "" : ", ignoring", rvalue);
- return fatal ? -ENOEXEC : 0;
- }
+ if (isempty(rvalue))
+ goto finalize;
n = strdup(rvalue);
if (!n)
return log_oom();
- path_kill_slashes(n);
-
- free(*s);
- *s = n;
+ 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;
- return 0;
+finalize:
+ return free_and_replace(*s, n);
}
+#endif // 0
-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) {
+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;
@@ -778,19 +763,7 @@ int config_parse_strv(const char *unit,
assert(data);
if (isempty(rvalue)) {
- char **empty;
-
- /* Empty assignment resets the list. As a special rule
- * we actually fill in a real empty array here rather
- * than NULL, since some code wants to know if
- * something was set at all... */
- empty = new0(char*, 1);
- if (!empty)
- return log_oom();
-
- strv_free(*sv);
- *sv = empty;
-
+ *sv = strv_free(*sv);
return 0;
}
@@ -807,11 +780,6 @@ int config_parse_strv(const char *unit,
break;
}
- if (!utf8_is_valid(word)) {
- log_syntax_invalid_utf8(unit, LOG_ERR, filename, line, word);
- free(word);
- continue;
- }
r = strv_consume(sv, word);
if (r < 0)
return log_oom();
@@ -821,7 +789,7 @@ int config_parse_strv(const char *unit,
}
#if 0 /// UNNEEDED by elogind
-int config_parse_log_facility(
+int config_parse_warn_compat(
const char *unit,
const char *filename,
unsigned line,
@@ -833,6 +801,40 @@ int config_parse_log_facility(
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;
@@ -851,7 +853,6 @@ int config_parse_log_facility(
return 0;
}
-#endif // 0
int config_parse_log_level(
const char *unit,
@@ -865,7 +866,6 @@ int config_parse_log_level(
void *data,
void *userdata) {
-
int *o = data, x;
assert(filename);
@@ -879,7 +879,11 @@ int config_parse_log_level(
return 0;
}
- *o = (*o & LOG_FACMASK) | x;
+ if (*o < 0) /* if it wasn't initialized so far, assume zero facility */
+ *o = x;
+ else
+ *o = (*o & LOG_FACMASK) | x;
+
return 0;
}
@@ -902,7 +906,7 @@ int config_parse_signal(
assert(rvalue);
assert(sig);
- r = signal_from_string_try_harder(rvalue);
+ 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;
@@ -912,7 +916,6 @@ int config_parse_signal(
return 0;
}
-#if 0 /// UNNEEDED by elogind
int config_parse_personality(
const char *unit,
const char *filename,
@@ -932,10 +935,14 @@ int config_parse_personality(
assert(rvalue);
assert(personality);
- 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;
+ 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;
@@ -1015,4 +1022,224 @@ int config_parse_ip_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;
+}
#endif // 0
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-02 03:15:27 +0000