/* 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 == ENOENT ? LOG_DEBUG : LOG_ERR,
"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);
}
return 0;
}
/* 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,
bool relaxed,
bool allow_include,
bool warn,
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 (warn || errno == ENOENT)
log_full(errno == ENOENT ? LOG_DEBUG : LOG_ERR,
"Failed to open configuration file '%s': %m", filename);
return errno == ENOENT ? 0 : -errno;
}
}
fd_warn_permissions(filename, fileno(f));
while (!feof(f)) {
char l[LINE_MAX], *p, *c = NULL, *e;
bool escaped = false;
if (!fgets(l, sizeof(l), f)) {
if (feof(f))
break;
log_error_errno(errno, "Failed to read configuration file '%s': %m", filename);
return -errno;
}
truncate_nl(l);
if (continuation) {
c = strappend(continuation, l);
if (!c) {
if (warn)
log_oom();
return -ENOMEM;
}
continuation = mfree(continuation);
p = c;
} else
p = l;
for (e = p; *e; e++) {
if (escaped)
escaped = false;
else if (*e == '\\')
escaped = true;
}
if (escaped) {
*(e-1) = ' ';
if (c)
continuation = c;
else {
continuation = strdup(l);
if (!continuation) {
if (warn)
log_oom();
return -ENOMEM;
}
}
continue;
}
r = parse_line(unit,
filename,
++line,
sections,
lookup,
table,
relaxed,
allow_include,
§ion,
§ion_line,
§ion_ignored,
p,
userdata);
free(c);
if (r < 0) {
if (warn)
log_warning_errno(r, "Failed to parse file '%s': %m",
filename);
return r;
}
}
return 0;
}
/* Go through the file and parse each line */
int config_parse(const char *unit,
const char *filename,
FILE *f,
const char *sections,
ConfigItemLookup lookup,
void *table,
bool relaxed,
bool allow_include,
void *userdata) {
_cleanup_free_ char *section = NULL, *continuation = NULL;
_cleanup_fclose_ FILE *ours = NULL;
unsigned line = 0, section_line = 0;
int r;
assert(filename);
assert(lookup);
if (!f) {
f = ours = fopen(filename, "re");
if (!f) {
log_error("Failed to open configuration file '%s': %m", filename);
return -errno;
}
}
fd_warn_permissions(filename, fileno(f));
while (!feof(f)) {
char l[LINE_MAX], *p, *c = NULL, *e;
bool escaped = false;
if (!fgets(l, sizeof(l), f)) {
if (feof(f))
break;
log_error("Failed to read configuration file '%s': %m", filename);
return -errno;
}
truncate_nl(l);
if (continuation) {
c = strappend(continuation, l);
if (!c)
return -ENOMEM;
free(continuation);
continuation = NULL;
p = c;
} else
p = l;
for (e = p; *e; e++) {
if (escaped)
escaped = false;
else if (*e == '\\')
escaped = true;
}
if (escaped) {
*(e-1) = ' ';
if (c)
continuation = c;
else {
continuation = strdup(l);
if (!continuation)
return -ENOMEM;
}
continue;
}
r = parse_line(unit,
filename,
++line,
sections,
lookup,
table,
relaxed,
allow_include,
§ion,
§ion_line,
p,
userdata);
free(c);
if (r < 0)
return r;
}
return 0;
}
