1 files changed, 48 insertions, 5 deletions

diff --git a/src/libshared/conf-parser.c b/src/libshared/conf-parser.c
index e7fe9ac21e..83be79a4f5 100644
--- a/src/libshared/conf-parser.c
+++ b/src/libshared/conf-parser.c
@@ -37,6 +37,7 @@
 #include "path-util.h"
 #include "process-util.h"
 #include "signal-util.h"
+#include "socket-util.h"
 #include "string-util.h"
 #include "strv.h"
 #include "syslog-util.h"
@@ -294,7 +295,7 @@ 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);
@@ -314,11 +315,11 @@ 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;
 
@@ -326,6 +327,11 @@ int config_parse(const char *unit,
                         return -errno;
                 }
 
+                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) {
@@ -727,7 +733,7 @@ int config_parse_strv(const char *unit,
         for (;;) {
                 char *word = NULL;
                 int r;
-                r = extract_first_word(&rvalue, &word, WHITESPACE, EXTRACT_QUOTES);
+                r = extract_first_word(&rvalue, &word, WHITESPACE, EXTRACT_QUOTES|EXTRACT_RETAIN_ESCAPE);
                 if (r == 0)
                         break;
                 if (r == -ENOMEM)
@@ -868,3 +874,40 @@ int config_parse_personality(
         *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;
+}