X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fshared%2Fconf-parser.c;h=78757d534e6288261ebdb3a36f7220c3fcd1c067;hp=588532fae8c7172df3d0d65af8ef943669a0cb7c;hb=648294227e8247f729d8cca927d3445ab1836f30;hpb=d1325d57413c007e17847074c70005c40e32bc9d
diff --git a/src/shared/conf-parser.c b/src/shared/conf-parser.c
index 588532fae..78757d534 100644
--- a/src/shared/conf-parser.c
+++ b/src/shared/conf-parser.c
@@ -1,5 +1,3 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
/***
This file is part of systemd.
@@ -19,21 +17,31 @@
along with systemd; If not, see .
***/
-#include
-#include
#include
+#include
+#include
+#include
#include
+#include
+#include
-#include "sd-messages.h"
+#include "alloc-util.h"
#include "conf-files.h"
-#include "util.h"
-#include "macro.h"
-#include "strv.h"
+#include "conf-parser.h"
+#include "extract-word.h"
+#include "fd-util.h"
+#include "fs-util.h"
#include "log.h"
-#include "utf8.h"
+#include "macro.h"
+#include "parse-util.h"
#include "path-util.h"
+#include "process-util.h"
#include "signal-util.h"
-#include "conf-parser.h"
+#include "string-util.h"
+#include "strv.h"
+#include "syslog-util.h"
+#include "time-util.h"
+#include "utf8.h"
int config_item_table_lookup(
const void *table,
@@ -92,7 +100,7 @@ int config_item_perf_lookup(
else {
char *key;
- key = strjoin(section, ".", lvalue, NULL);
+ key = strjoin(section, ".", lvalue);
if (!key)
return -ENOMEM;
@@ -147,8 +155,7 @@ static int next_assignment(const char *unit,
/* Warn about unknown non-extension fields. */
if (!relaxed && !startswith(lvalue, "X-"))
- log_syntax(unit, LOG_WARNING, filename, line, EINVAL,
- "Unknown lvalue '%s' in section '%s'", lvalue, section);
+ log_syntax(unit, LOG_WARNING, filename, line, 0, "Unknown lvalue '%s' in section '%s'", lvalue, section);
return 0;
}
@@ -196,8 +203,7 @@ static int parse_line(const char* unit,
* Support for them should be eventually removed. */
if (!allow_include) {
- log_syntax(unit, LOG_ERR, filename, line, EBADMSG,
- ".include not allowed here. Ignoring.");
+ log_syntax(unit, LOG_ERR, filename, line, 0, ".include not allowed here. Ignoring.");
return 0;
}
@@ -216,8 +222,7 @@ static int parse_line(const char* unit,
assert(k > 0);
if (l[k-1] != ']') {
- log_syntax(unit, LOG_ERR, filename, line, EBADMSG,
- "Invalid section header '%s'", l);
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid section header '%s'", l);
return -EBADMSG;
}
@@ -228,12 +233,10 @@ static int parse_line(const char* unit,
if (sections && !nulstr_contains(sections, n)) {
if (!relaxed && !startswith(n, "X-"))
- log_syntax(unit, LOG_WARNING, filename, line, EINVAL,
- "Unknown section '%s'. Ignoring.", n);
+ log_syntax(unit, LOG_WARNING, filename, line, 0, "Unknown section '%s'. Ignoring.", n);
free(n);
- free(*section);
- *section = NULL;
+ *section = mfree(*section);
*section_line = 0;
*section_ignored = true;
} else {
@@ -249,16 +252,15 @@ static int parse_line(const char* unit,
if (sections && !*section) {
if (!relaxed && !*section_ignored)
- log_syntax(unit, LOG_WARNING, filename, line, EINVAL,
- "Assignment outside of section. Ignoring.");
+ 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, EINVAL, "Missing '='.");
- return -EBADMSG;
+ log_syntax(unit, LOG_WARNING, filename, line, 0, "Missing '='.");
+ return -EINVAL;
}
*e = 0;
@@ -292,7 +294,7 @@ int config_parse(const char *unit,
_cleanup_free_ char *section = NULL, *continuation = NULL;
_cleanup_fclose_ FILE *ours = NULL;
unsigned line = 0, section_line = 0;
- bool section_ignored = false;
+ bool section_ignored = false, allow_bom = true;
int r;
assert(filename);
@@ -312,18 +314,22 @@ int config_parse(const char *unit,
fd_warn_permissions(filename, fileno(f));
- while (!feof(f)) {
- char l[LINE_MAX], *p, *c = NULL, *e;
+ for (;;) {
+ char buf[LINE_MAX], *l, *p, *c = NULL, *e;
bool escaped = false;
- if (!fgets(l, sizeof(l), f)) {
+ if (!fgets(buf, sizeof buf, f)) {
if (feof(f))
break;
- log_error_errno(errno, "Failed to read configuration file '%s': %m", filename);
- return -errno;
+ return log_error_errno(errno, "Failed to read configuration file '%s': %m", filename);
}
+ l = buf;
+ if (allow_bom && startswith(l, UTF8_BYTE_ORDER_MARK))
+ l += strlen(UTF8_BYTE_ORDER_MARK);
+ allow_bom = false;
+
truncate_nl(l);
if (continuation) {
@@ -389,22 +395,18 @@ int config_parse(const char *unit,
return 0;
}
-/* Parse each config file in the specified directories. */
-int config_parse_many(const char *conf_file,
- const char *conf_file_dirs,
- const char *sections,
- ConfigItemLookup lookup,
- const void *table,
- bool relaxed,
- void *userdata) {
- _cleanup_strv_free_ char **files = NULL;
+static int config_parse_many_files(
+ const char *conf_file,
+ char **files,
+ const char *sections,
+ ConfigItemLookup lookup,
+ const void *table,
+ bool relaxed,
+ void *userdata) {
+
char **fn;
int r;
- r = conf_files_list_nulstr(&files, ".conf", NULL, conf_file_dirs);
- if (r < 0)
- return r;
-
if (conf_file) {
r = config_parse(NULL, conf_file, NULL, sections, lookup, table, relaxed, false, true, userdata);
if (r < 0)
@@ -420,17 +422,70 @@ int config_parse_many(const char *conf_file,
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,
+ bool relaxed,
+ void *userdata) {
+
+ _cleanup_strv_free_ char **files = NULL;
+ int r;
+
+ r = conf_files_list_nulstr(&files, ".conf", NULL, conf_file_dirs);
+ if (r < 0)
+ return r;
+
+ return config_parse_many_files(conf_file, files,
+ sections, lookup, table, relaxed, userdata);
+}
+
+#if 0 /// UNNEEDED by elogind
+/* 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,
+ bool relaxed,
+ 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, (const char* const*) dropin_dirs);
+ if (r < 0)
+ return r;
+
+ return config_parse_many_files(conf_file, files,
+ sections, lookup, table, relaxed, 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) { \
+ 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; \
@@ -442,21 +497,28 @@ int config_parse_many(const char *conf_file,
\
r = conv_func(rvalue, i); \
if (r < 0) \
- log_syntax(unit, LOG_ERR, filename, line, -r, \
+ log_syntax(unit, LOG_ERR, filename, line, r, \
"Failed to parse %s value, ignoring: %s", \
#type, rvalue); \
\
return 0; \
- }
-
-DEFINE_PARSER(int, int, safe_atoi)
-DEFINE_PARSER(long, long, safe_atoli)
-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)
+ } \
+ struct __useless_struct_to_allow_trailing_semicolon__
+
+DEFINE_PARSER(int, int, safe_atoi);
+DEFINE_PARSER(long, long, safe_atoli);
+#if 0 /// UNNEEDED by elogind
+DEFINE_PARSER(uint16, uint16_t, safe_atou16);
+DEFINE_PARSER(uint32, uint32_t, safe_atou32);
+#endif // 0
+DEFINE_PARSER(uint64, uint64_t, safe_atou64);
+DEFINE_PARSER(unsigned, unsigned, safe_atou);
+DEFINE_PARSER(double, double, safe_atod);
+#if 0 /// UNNEEDED by elogind
+DEFINE_PARSER(nsec, nsec_t, parse_nsec);
+#endif // 0
+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,
@@ -470,7 +532,7 @@ int config_parse_iec_size(const char* unit,
void *userdata) {
size_t *sz = data;
- off_t o;
+ uint64_t v;
int r;
assert(filename);
@@ -478,18 +540,17 @@ int config_parse_iec_size(const char* unit,
assert(rvalue);
assert(data);
- r = parse_size(rvalue, 1024, &o);
- if (r < 0 || (off_t) (size_t) o != o) {
- log_syntax(unit, LOG_ERR, filename, line, r < 0 ? -r : ERANGE, "Failed to parse size value, ignoring: %s", rvalue);
+ 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) o;
+ *sz = (size_t) v;
return 0;
}
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
int config_parse_si_size(const char* unit,
const char *filename,
unsigned line,
@@ -502,7 +563,7 @@ int config_parse_si_size(const char* unit,
void *userdata) {
size_t *sz = data;
- off_t o;
+ uint64_t v;
int r;
assert(filename);
@@ -510,17 +571,17 @@ int config_parse_si_size(const char* unit,
assert(rvalue);
assert(data);
- r = parse_size(rvalue, 1000, &o);
- if (r < 0 || (off_t) (size_t) o != o) {
- log_syntax(unit, LOG_ERR, filename, line, r < 0 ? -r : ERANGE, "Failed to parse size value, ignoring: %s", rvalue);
+ 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) o;
+ *sz = (size_t) v;
return 0;
}
-int config_parse_iec_off(const char* unit,
+int config_parse_iec_uint64(const char* unit,
const char *filename,
unsigned line,
const char *section,
@@ -531,7 +592,7 @@ int config_parse_iec_off(const char* unit,
void *data,
void *userdata) {
- off_t *bytes = data;
+ uint64_t *bytes = data;
int r;
assert(filename);
@@ -539,11 +600,9 @@ int config_parse_iec_off(const char* unit,
assert(rvalue);
assert(data);
- assert_cc(sizeof(off_t) == sizeof(uint64_t));
-
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);
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse size value, ignoring: %s", rvalue);
return 0;
}
@@ -570,8 +629,7 @@ int config_parse_bool(const char* unit,
k = parse_boolean(rvalue);
if (k < 0) {
- log_syntax(unit, LOG_ERR, filename, line, -k,
- "Failed to parse boolean value, ignoring: %s", rvalue);
+ log_syntax(unit, LOG_ERR, filename, line, k, "Failed to parse boolean value, ignoring: %s", rvalue);
return 0;
}
@@ -579,8 +637,7 @@ int config_parse_bool(const char* unit,
return 0;
}
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
int config_parse_tristate(
const char* unit,
const char *filename,
@@ -635,7 +692,7 @@ int config_parse_string(
assert(data);
if (!utf8_is_valid(rvalue)) {
- log_invalid_utf8(unit, LOG_ERR, filename, line, EINVAL, rvalue);
+ log_syntax_invalid_utf8(unit, LOG_ERR, filename, line, rvalue);
return 0;
}
@@ -673,12 +730,12 @@ int config_parse_path(
assert(data);
if (!utf8_is_valid(rvalue)) {
- log_invalid_utf8(unit, LOG_ERR, filename, line, EINVAL, rvalue);
+ log_syntax_invalid_utf8(unit, LOG_ERR, filename, line, rvalue);
return 0;
}
if (!path_is_absolute(rvalue)) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Not an absolute path, ignoring: %s", rvalue);
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Not an absolute path, ignoring: %s", rvalue);
return 0;
}
@@ -706,8 +763,6 @@ int config_parse_strv(const char *unit,
void *userdata) {
char ***sv = data;
- const char *word, *state;
- size_t l;
int r;
assert(filename);
@@ -722,66 +777,43 @@ int config_parse_strv(const char *unit,
* 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 = strv_new(NULL, NULL);
+ empty = new0(char*, 1);
if (!empty)
return log_oom();
strv_free(*sv);
*sv = empty;
+
return 0;
}
- FOREACH_WORD_QUOTED(word, l, rvalue, state) {
- char *n;
+ for (;;) {
+ char *word = NULL;
- n = strndup(word, l);
- if (!n)
+ r = extract_first_word(&rvalue, &word, WHITESPACE, 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;
+ }
- if (!utf8_is_valid(n)) {
- log_invalid_utf8(unit, LOG_ERR, filename, line, EINVAL, rvalue);
- free(n);
+ if (!utf8_is_valid(word)) {
+ log_syntax_invalid_utf8(unit, LOG_ERR, filename, line, rvalue);
+ free(word);
continue;
}
-
- r = strv_consume(sv, n);
+ r = strv_consume(sv, word);
if (r < 0)
return log_oom();
}
- if (!isempty(state))
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "Trailing garbage, ignoring.");
-
- return 0;
-}
-
-int config_parse_mode(
- 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) {
-
- mode_t *m = data;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if (parse_mode(rvalue, m) < 0) {
- log_syntax(unit, LOG_ERR, filename, line, errno, "Failed to parse mode value, ignoring: %s", rvalue);
- return 0;
- }
return 0;
}
+#if 0 /// UNNEEDED by elogind
int config_parse_log_facility(
const char *unit,
const char *filename,
@@ -804,7 +836,7 @@ int config_parse_log_facility(
x = log_facility_unshifted_from_string(rvalue);
if (x < 0) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Failed to parse log facility, ignoring: %s", rvalue);
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse log facility, ignoring: %s", rvalue);
return 0;
}
@@ -812,6 +844,7 @@ int config_parse_log_facility(
return 0;
}
+#endif // 0
int config_parse_log_level(
const char *unit,
@@ -835,7 +868,7 @@ int config_parse_log_level(
x = log_level_from_string(rvalue);
if (x < 0) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Failed to parse log level, ignoring: %s", rvalue);
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse log level, ignoring: %s", rvalue);
return 0;
}
@@ -864,7 +897,7 @@ int config_parse_signal(
r = signal_from_string_try_harder(rvalue);
if (r <= 0) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Failed to parse signal name, ignoring: %s", rvalue);
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse signal name, ignoring: %s", rvalue);
return 0;
}
@@ -872,8 +905,7 @@ int config_parse_signal(
return 0;
}
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
int config_parse_personality(
const char *unit,
const char *filename,
@@ -895,11 +927,48 @@ int config_parse_personality(
p = personality_from_string(rvalue);
if (p == PERSONALITY_INVALID) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Failed to parse personality, ignoring: %s", rvalue);
+ 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;
+}
#endif // 0