Add abstraction model for BPF programs

This object takes a number of bpf_insn members and wraps them together with
the in-kernel reference id. Will be needed by the firewall code.

1 files changed, 17 insertions, 32 deletions

diff --git a/src/shared/conf-parser.c b/src/shared/conf-parser.c
index 2005671fe..ab66bfe60 100644
--- a/src/shared/conf-parser.c
+++ b/src/shared/conf-parser.c
@@ -28,10 +28,8 @@
 #include "alloc-util.h"
 #include "conf-files.h"
 #include "conf-parser.h"
-#include "def.h"
 #include "extract-word.h"
 #include "fd-util.h"
-#include "fileio.h"
 #include "fs-util.h"
 #include "log.h"
 #include "macro.h"
@@ -317,44 +315,24 @@ int config_parse(const char *unit,
         fd_warn_permissions(filename, fileno(f));
 
         for (;;) {
-                _cleanup_free_ char *buf = NULL;
-                char *l, *p, *c = NULL, *e;
+                char buf[LINE_MAX], *l, *p, *c = NULL, *e;
                 bool escaped = false;
 
-                r = read_line(f, LONG_LINE_MAX, &buf);
-                if (r == 0)
-                        break;
-                if (r == -ENOBUFS) {
-                        if (warn)
-                                log_error_errno(r, "%s:%u: Line too long", filename, line);
+                if (!fgets(buf, sizeof buf, f)) {
+                        if (feof(f))
+                                break;
 
-                        return r;
-                }
-                if (r < 0) {
-                        if (warn)
-                                log_error_errno(r, "%s:%u: Error while reading configuration file: %m", filename, line);
-
-                        return r;
+                        return log_error_errno(errno, "Failed to read configuration file '%s': %m", filename);
                 }
 
                 l = buf;
-                if (allow_bom) {
-                        char *q;
+                if (allow_bom && startswith(l, UTF8_BYTE_ORDER_MARK))
+                        l += strlen(UTF8_BYTE_ORDER_MARK);
+                allow_bom = false;
 
-                        q = startswith(buf, UTF8_BYTE_ORDER_MARK);
-                        if (q) {
-                                l = q;
-                                allow_bom = false;
-                        }
-                }
+                truncate_nl(l);
 
                 if (continuation) {
-                        if (strlen(continuation) + strlen(l) > LONG_LINE_MAX) {
-                                if (warn)
-                                        log_error("%s:%u: Continuation line too long", filename, line);
-                                return -ENOBUFS;
-                        }
-
                         c = strappend(continuation, l);
                         if (!c) {
                                 if (warn)
@@ -408,7 +386,8 @@ int config_parse(const char *unit,
 
                 if (r < 0) {
                         if (warn)
-                                log_warning_errno(r, "%s:%u: Failed to parse file: %m", filename, line);
+                                log_warning_errno(r, "Failed to parse file '%s': %m",
+                                                  filename);
                         return r;
                 }
         }
@@ -755,6 +734,11 @@ int config_parse_path(
         assert(rvalue);
         assert(data);
 
+        if (isempty(rvalue)) {
+                n = NULL;
+                goto finalize;
+        }
+
         if (!utf8_is_valid(rvalue)) {
                 log_syntax_invalid_utf8(unit, LOG_ERR, filename, line, rvalue);
                 return fatal ? -ENOEXEC : 0;
@@ -773,6 +757,7 @@ int config_parse_path(
 
         path_kill_slashes(n);
 
+finalize:
         free(*s);
         *s = n;