chiark / gitweb /
Get rid of some more unused defines and dirs
[elogind.git] / src / shared / conf-parser.c
index d27b1b7eeac40206888376c216a443932cb33c23..2148a30c66c1791e8dd233372a38d82b6d38736f 100644 (file)
 #include <string.h>
 #include <stdio.h>
 #include <errno.h>
-#include <assert.h>
 #include <stdlib.h>
-#include <netinet/ether.h>
 
 #include "conf-parser.h"
+#include "conf-files.h"
 #include "util.h"
 #include "macro.h"
 #include "strv.h"
 #include "log.h"
 #include "utf8.h"
 #include "path-util.h"
-#include "set.h"
-#include "exit-status.h"
 #include "sd-messages.h"
 
-int log_syntax_internal(const char *unit, int level,
-                        const char *file, unsigned line, const char *func,
-                        const char *config_file, unsigned config_line,
-                        int error, const char *format, ...) {
+int log_syntax_internal(
+                const char *unit,
+                int level,
+                const char *file,
+                int line,
+                const char *func,
+                const char *config_file,
+                unsigned config_line,
+                int error,
+                const char *format, ...) {
 
         _cleanup_free_ char *msg = NULL;
         int r;
@@ -54,29 +57,29 @@ int log_syntax_internal(const char *unit, int level,
 
         if (unit)
                 r = log_struct_internal(level,
+                                        error,
                                         file, line, func,
                                         getpid() == 1 ? "UNIT=%s" : "USER_UNIT=%s", unit,
-                                        MESSAGE_ID(SD_MESSAGE_CONFIG_ERROR),
+                                        LOG_MESSAGE_ID(SD_MESSAGE_CONFIG_ERROR),
                                         "CONFIG_FILE=%s", config_file,
                                         "CONFIG_LINE=%u", config_line,
-                                        "ERRNO=%d", error > 0 ? error : EINVAL,
-                                        "MESSAGE=[%s:%u] %s", config_file, config_line, msg,
+                                        LOG_MESSAGE("[%s:%u] %s", config_file, config_line, msg),
                                         NULL);
         else
                 r = log_struct_internal(level,
+                                        error,
                                         file, line, func,
-                                        MESSAGE_ID(SD_MESSAGE_CONFIG_ERROR),
+                                        LOG_MESSAGE_ID(SD_MESSAGE_CONFIG_ERROR),
                                         "CONFIG_FILE=%s", config_file,
                                         "CONFIG_LINE=%u", config_line,
-                                        "ERRNO=%d", error > 0 ? error : EINVAL,
-                                        "MESSAGE=[%s:%u] %s", config_file, config_line, msg,
+                                        LOG_MESSAGE("[%s:%u] %s", config_file, config_line, msg),
                                         NULL);
 
         return r;
 }
 
 int config_item_table_lookup(
-                void *table,
+                const void *table,
                 const char *section,
                 const char *lvalue,
                 ConfigParserCallback *func,
@@ -84,7 +87,7 @@ int config_item_table_lookup(
                 void **data,
                 void *userdata) {
 
-        ConfigTableItem *t;
+        const ConfigTableItem *t;
 
         assert(table);
         assert(lvalue);
@@ -110,7 +113,7 @@ int config_item_table_lookup(
 }
 
 int config_item_perf_lookup(
-                void *table,
+                const void *table,
                 const char *section,
                 const char *lvalue,
                 ConfigParserCallback *func,
@@ -154,7 +157,7 @@ static int next_assignment(const char *unit,
                            const char *filename,
                            unsigned line,
                            ConfigItemLookup lookup,
-                           void *table,
+                           const void *table,
                            const char *section,
                            unsigned section_line,
                            const char *lvalue,
@@ -199,11 +202,12 @@ static int parse_line(const char* unit,
                       unsigned line,
                       const char *sections,
                       ConfigItemLookup lookup,
-                      void *table,
+                      const void *table,
                       bool relaxed,
                       bool allow_include,
                       char **section,
                       unsigned *section_line,
+                      bool *section_ignored,
                       char *l,
                       void *userdata) {
 
@@ -244,7 +248,7 @@ static int parse_line(const char* unit,
                 if (!fn)
                         return -ENOMEM;
 
-                return config_parse(unit, fn, NULL, sections, lookup, table, relaxed, false, userdata);
+                return config_parse(unit, fn, NULL, sections, lookup, table, relaxed, false, false, userdata);
         }
 
         if (*l == '[') {
@@ -266,7 +270,7 @@ static int parse_line(const char* unit,
 
                 if (sections && !nulstr_contains(sections, n)) {
 
-                        if (!relaxed)
+                        if (!relaxed && !startswith(n, "X-"))
                                 log_syntax(unit, LOG_WARNING, filename, line, EINVAL,
                                            "Unknown section '%s'. Ignoring.", n);
 
@@ -274,10 +278,12 @@ static int parse_line(const char* unit,
                         free(*section);
                         *section = NULL;
                         *section_line = 0;
+                        *section_ignored = true;
                 } else {
                         free(*section);
                         *section = n;
                         *section_line = line;
+                        *section_ignored = false;
                 }
 
                 return 0;
@@ -285,7 +291,7 @@ static int parse_line(const char* unit,
 
         if (sections && !*section) {
 
-                if (!relaxed)
+                if (!relaxed && !*section_ignored)
                         log_syntax(unit, LOG_WARNING, filename, line, EINVAL,
                                    "Assignment outside of section. Ignoring.");
 
@@ -320,14 +326,16 @@ int config_parse(const char *unit,
                  FILE *f,
                  const char *sections,
                  ConfigItemLookup lookup,
-                 void *table,
+                 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);
@@ -336,8 +344,12 @@ int config_parse(const char *unit,
         if (!f) {
                 f = ours = fopen(filename, "re");
                 if (!f) {
-                        log_error("Failed to open configuration file '%s': %m", filename);
-                        return -errno;
+                        /* 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;
                 }
         }
 
@@ -351,7 +363,7 @@ int config_parse(const char *unit,
                         if (feof(f))
                                 break;
 
-                        log_error("Failed to read configuration file '%s': %m", filename);
+                        log_error_errno(errno, "Failed to read configuration file '%s': %m", filename);
                         return -errno;
                 }
 
@@ -359,8 +371,11 @@ int config_parse(const char *unit,
 
                 if (continuation) {
                         c = strappend(continuation, l);
-                        if (!c)
+                        if (!c) {
+                                if (warn)
+                                        log_oom();
                                 return -ENOMEM;
+                        }
 
                         free(continuation);
                         continuation = NULL;
@@ -382,8 +397,11 @@ int config_parse(const char *unit,
                                 continuation = c;
                         else {
                                 continuation = strdup(l);
-                                if (!continuation)
+                                if (!continuation) {
+                                        if (warn)
+                                                log_oom();
                                         return -ENOMEM;
+                                }
                         }
 
                         continue;
@@ -399,10 +417,46 @@ int config_parse(const char *unit,
                                allow_include,
                                &section,
                                &section_line,
+                               &section_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;
+}
+
+/* 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;
+        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)
+                        return r;
+        }
+
+        STRV_FOREACH(fn, files) {
+                r = config_parse(NULL, *fn, NULL, sections, lookup, table, relaxed, false, true, userdata);
                 if (r < 0)
                         return r;
         }
@@ -655,7 +709,8 @@ int config_parse_strv(const char *unit,
                       void *data,
                       void *userdata) {
 
-        char *** sv = data, *w, *state;
+        char ***sv = data;
+        const char *word, *state;
         size_t l;
         int r;
 
@@ -680,15 +735,16 @@ int config_parse_strv(const char *unit,
                 return 0;
         }
 
-        FOREACH_WORD_QUOTED(w, l, rvalue, state) {
+        FOREACH_WORD_QUOTED(word, l, rvalue, state) {
                 char *n;
 
-                n = cunescape_length(w, l);
+                n = strndup(word, l);
                 if (!n)
                         return log_oom();
 
                 if (!utf8_is_valid(n)) {
                         log_invalid_utf8(unit, LOG_ERR, filename, line, EINVAL, rvalue);
+                        free(n);
                         continue;
                 }
 
@@ -696,6 +752,9 @@ int config_parse_strv(const char *unit,
                 if (r < 0)
                         return log_oom();
         }
+        if (!isempty(state))
+                log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+                           "Trailing garbage, ignoring.");
 
         return 0;
 }
@@ -760,8 +819,7 @@ 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, EINVAL, "Failed to parse log facility, ignoring: %s", rvalue);
                 return 0;
         }
 
@@ -792,8 +850,7 @@ 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, EINVAL, "Failed to parse log level, ignoring: %s", rvalue);
                 return 0;
         }