libsystemd-network: move config_parse_hwaddr() and config_parse_hwaddrs()

1 files changed, 104 insertions, 0 deletions

diff --git a/src/shared/conf-parser.c b/src/shared/conf-parser.c
index 524f57ff80..7798382cd8 100644
--- a/src/shared/conf-parser.c
+++ b/src/shared/conf-parser.c
@@ -11,6 +11,7 @@
 #include "conf-files.h"
 #include "conf-parser.h"
 #include "def.h"
+#include "ether-addr-util.h"
 #include "extract-word.h"
 #include "fd-util.h"
 #include "fileio.h"
@@ -24,6 +25,7 @@
 #include "process-util.h"
 #include "rlimit-util.h"
 #include "sd-id128.h"
+#include "set.h"
 #include "signal-util.h"
 #include "socket-util.h"
 #include "string-util.h"
@@ -1244,4 +1246,106 @@ int config_parse_vlanprotocol(const char* unit,
         return 0;
 }
 
+int config_parse_hwaddr(
+                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) {
+
+        _cleanup_free_ struct ether_addr *n = NULL;
+        struct ether_addr **hwaddr = data;
+        int r;
+
+        assert(filename);
+        assert(lvalue);
+        assert(rvalue);
+        assert(data);
+
+        if (isempty(rvalue)) {
+                *hwaddr = mfree(*hwaddr);
+                return 0;
+        }
+
+        n = new0(struct ether_addr, 1);
+        if (!n)
+                return log_oom();
+
+        r = ether_addr_from_string(rvalue, n);
+        if (r < 0) {
+                log_syntax(unit, LOG_WARNING, filename, line, r,
+                           "Not a valid MAC address, ignoring assignment: %s", rvalue);
+                return 0;
+        }
+
+        free_and_replace(*hwaddr, n);
+
+        return 0;
+}
+
+int config_parse_hwaddrs(
+                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) {
+
+        Set **hwaddrs = data;
+        int r;
+
+        assert(filename);
+        assert(lvalue);
+        assert(rvalue);
+        assert(data);
+
+        if (isempty(rvalue)) {
+                /* Empty assignment resets the list */
+                *hwaddrs = set_free_free(*hwaddrs);
+                return 0;
+        }
+
+        for (const char *p = rvalue;;) {
+                _cleanup_free_ char *word = NULL;
+                _cleanup_free_ struct ether_addr *n = NULL;
+
+                r = extract_first_word(&p, &word, NULL, 0);
+                if (r == 0)
+                        return 0;
+                if (r == -ENOMEM)
+                        return log_oom();
+                if (r < 0) {
+                        log_syntax(unit, LOG_WARNING, filename, line, r,
+                                   "Invalid syntax, ignoring: %s", rvalue);
+                        return 0;
+                }
+
+                n = new(struct ether_addr, 1);
+                if (!n)
+                        return log_oom();
+
+                r = ether_addr_from_string(word, n);
+                if (r < 0) {
+                        log_syntax(unit, LOG_WARNING, filename, line, r,
+                                   "Not a valid MAC address, ignoring: %s", word);
+                        continue;
+                }
+
+                r = set_ensure_put(hwaddrs, &ether_addr_hash_ops, n);
+                if (r < 0)
+                        return log_oom();
+                if (r > 0)
+                        TAKE_PTR(n); /* avoid cleanup */
+        }
+}
+
 DEFINE_CONFIG_PARSE(config_parse_percent, parse_percent, "Failed to parse percent value");