X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fshared%2Fconf-parser.c;h=8e6fffe1876addb2b85490761d82513293f0c46f;hb=33863e9c1572a093818e4559e69ca02452b60d5c;hp=b01aadcd76ad40cca154ed375ba09da131558f60;hpb=1cfc78c91965df340cdde100ad6cb3ed50b28927;p=elogind.git
diff --git a/src/shared/conf-parser.c b/src/shared/conf-parser.c
index b01aadcd7..8e6fffe18 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.
@@ -19,20 +17,31 @@
along with systemd; If not, see .
***/
-#include
-#include
#include
+#include
+#include
+#include
#include
+#include
+#include
-#include "conf-parser.h"
+#include "alloc-util.h"
#include "conf-files.h"
-#include "util.h"
+#include "conf-parser.h"
+#include "extract-word.h"
+#include "fd-util.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 "string-util.h"
#include "strv.h"
-#include "log.h"
+#include "syslog-util.h"
+#include "time-util.h"
#include "utf8.h"
-#include "path-util.h"
-#include "sd-messages.h"
int config_item_table_lookup(
const void *table,
@@ -146,8 +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;
}
@@ -195,8 +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;
}
@@ -215,8 +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;
}
@@ -227,12 +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 {
@@ -248,16 +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;
@@ -291,7 +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);
@@ -311,18 +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) {
@@ -333,8 +340,7 @@ int config_parse(const char *unit,
return -ENOMEM;
}
- free(continuation);
- continuation = NULL;
+ continuation = mfree(continuation);
p = c;
} else
p = l;
@@ -421,16 +427,17 @@ int config_parse_many(const char *conf_file,
}
#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; \
@@ -442,20 +449,25 @@ 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(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);
+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);
+#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,
@@ -469,7 +481,7 @@ int config_parse_iec_size(const char* unit,
void *userdata) {
size_t *sz = data;
- off_t o;
+ uint64_t v;
int r;
assert(filename);
@@ -477,18 +489,17 @@ 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,
@@ -501,7 +512,7 @@ int config_parse_si_size(const char* unit,
void *userdata) {
size_t *sz = data;
- off_t o;
+ uint64_t v;
int r;
assert(filename);
@@ -509,17 +520,17 @@ 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,
@@ -530,7 +541,7 @@ int config_parse_iec_off(const char* unit,
void *data,
void *userdata) {
- off_t *bytes = data;
+ uint64_t *bytes = data;
int r;
assert(filename);
@@ -538,11 +549,9 @@ 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;
}
@@ -569,8 +578,7 @@ 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;
}
@@ -578,6 +586,41 @@ int config_parse_bool(const char* unit,
return 0;
}
+#if 0 /// UNNEEDED by elogind
+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;
+}
+#endif // 0
+
int config_parse_string(
const char *unit,
const char *filename,
@@ -598,7 +641,7 @@ 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;
}
@@ -636,12 +679,12 @@ 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;
}
@@ -669,8 +712,6 @@ int config_parse_strv(const char *unit,
void *userdata) {
char ***sv = data;
- const char *word, *state;
- size_t l;
int r;
assert(filename);
@@ -685,67 +726,76 @@ 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(
+#if 0 /// UNNEEDED by elogind
+int config_parse_log_facility(
const char *unit,
const char *filename,
unsigned line,
const char *section,
- unsigned section_line,
+ unsigned section_line,
const char *lvalue,
int ltype,
const char *rvalue,
void *data,
void *userdata) {
- mode_t *m = data;
+
+ int *o = data, x;
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);
+ 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;
}
+#endif // 0
-int config_parse_log_facility(
+int config_parse_log_level(
const char *unit,
const char *filename,
unsigned line,
@@ -765,18 +815,47 @@ int config_parse_log_facility(
assert(rvalue);
assert(data);
- x = log_facility_unshifted_from_string(rvalue);
+ x = log_level_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 level, ignoring: %s", rvalue);
return 0;
}
- *o = (x << 3) | LOG_PRI(*o);
+ *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_try_harder(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_log_level(
+#if 0 /// UNNEEDED by elogind
+int config_parse_personality(
const char *unit,
const char *filename,
unsigned line,
@@ -788,20 +867,57 @@ int config_parse_log_level(
void *data,
void *userdata) {
+ unsigned long *personality = data, p;
- int *o = data, x;
+ assert(filename);
+ assert(lvalue);
+ 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;
+ }
+
+ *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);
- 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);
+ if (isempty(rvalue)) {
+ *s = mfree(*s);
return 0;
}
- *o = (*o & LOG_FACMASK) | x;
+ 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