core: drop support for old per-distro configuration files for console, hostname, locale, timezone

This simplifies the upstream system code quite a bit. If downstream distributions want to maintain compatibility with their old configuration files, they are welcome to do so, but need to maintain this as patches downstream. The burden needs to be on the distributions to maintain differences here. Our suggestion however is to just convert the old configuration files on upgrade, as multiple distributions already do.

1 files changed, 10 insertions, 101 deletions

diff --git a/src/core/hostname-setup.c b/src/core/hostname-setup.c
index dbd2227e2..7894f8a5f 100644
--- a/src/core/hostname-setup.c
+++ b/src/core/hostname-setup.c
@@ -30,14 +30,6 @@
 #include "util.h"
 #include "log.h"
 
-#if defined(TARGET_ALTLINUX) || defined(TARGET_MANDRIVA) || defined(TARGET_MAGEIA)
-#define FILENAME "/etc/sysconfig/network"
-#elif defined(TARGET_SUSE) || defined(TARGET_SLACKWARE)
-#define FILENAME "/etc/HOSTNAME"
-#elif defined(TARGET_GENTOO)
-#define FILENAME "/etc/conf.d/hostname"
-#endif
-
 static int read_and_strip_hostname(const char *path, char **hn) {
         char *s;
         int r;
@@ -57,103 +49,23 @@ static int read_and_strip_hostname(const char *path, char **hn) {
         }
 
         *hn = s;
-
-        return 0;
-}
-
-static int read_distro_hostname(char **hn) {
-
-#if defined(TARGET_GENTOO) || defined(TARGET_ALTLINUX) || defined(TARGET_MANDRIVA) || defined(TARGET_MAGEIA)
-        int r;
-        _cleanup_fclose_ FILE *f = NULL;
-
-        assert(hn);
-
-        f = fopen(FILENAME, "re");
-        if (!f)
-                return -errno;
-
-        for (;;) {
-                char line[LINE_MAX];
-                char *s, *k;
-
-                if (!fgets(line, sizeof(line), f)) {
-                        if (feof(f))
-                                break;
-
-                        r = -errno;
-                        goto finish;
-                }
-
-                s = strstrip(line);
-
-                if (!startswith_no_case(s, "HOSTNAME="))
-                        continue;
-
-                k = strdup(s+9);
-                if (!k) {
-                        r = -ENOMEM;
-                        goto finish;
-                }
-
-                hostname_cleanup(k);
-
-                if (isempty(k)) {
-                        free(k);
-                        r = -ENOENT;
-                        goto finish;
-                }
-
-                *hn = k;
-                r = 0;
-                goto finish;
-        }
-
-        r = -ENOENT;
-
-finish:
-        return r;
-
-#elif defined(TARGET_SUSE) || defined(TARGET_SLACKWARE)
-        return read_and_strip_hostname(FILENAME, hn);
-#else
-        return -ENOENT;
-#endif
-}
-
-static int read_hostname(char **hn) {
-        int r;
-
-        assert(hn);
-
-        /* First, try to load the generic hostname configuration file,
-         * that we support on all distributions */
-
-        r = read_and_strip_hostname("/etc/hostname", hn);
-        if (r < 0) {
-                if (r == -ENOENT)
-                        return read_distro_hostname(hn);
-
-                return r;
-        }
-
         return 0;
 }
 
 int hostname_setup(void) {
         int r;
-        char *b = NULL;
-        const char *hn = NULL;
+        _cleanup_free_ char *b = NULL;
+        const char *hn;
         bool enoent = false;
 
-        r = read_hostname(&b);
+        r = read_and_strip_hostname("/etc/hostname", &b);
         if (r < 0) {
-                hn = NULL;
-
                 if (r == -ENOENT)
                         enoent = true;
                 else
                         log_warning("Failed to read configured hostname: %s", strerror(-r));
+
+                hn = NULL;
         } else
                 hn = b;
 
@@ -161,7 +73,7 @@ int hostname_setup(void) {
                 /* Don't override the hostname if it is already set
                  * and not explicitly configured */
                 if (hostname_is_set())
-                        goto finish;
+                        return 0;
 
                 if (enoent)
                         log_info("No hostname configured.");
@@ -171,12 +83,9 @@ int hostname_setup(void) {
 
         if (sethostname(hn, strlen(hn)) < 0) {
                 log_warning("Failed to set hostname to <%s>: %m", hn);
-                r = -errno;
-        } else
-                log_info("Set hostname to <%s>.", hn);
-
-finish:
-        free(b);
+                return -errno;
+        }
 
-        return r;
+        log_info("Set hostname to <%s>.", hn);
+        return 0;
 }