X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fhostname-setup.c;h=e9869bb4dff4d64f6d8d1500bd956815fc38cd26;hp=8b0ff793847ee78ecec438009cff10ba15314d96;hb=43515ba0cecda2be8244a9f75078ac4a561092d9;hpb=a338bab5d0603a179befce062bc6fc8a6521a232

diff --git a/src/hostname-setup.c b/src/hostname-setup.c
index 8b0ff7938..e9869bb4d 100644
--- a/src/hostname-setup.c
+++ b/src/hostname-setup.c
@@ -30,7 +30,7 @@
 #include "util.h"
 #include "log.h"
 
-#if defined(TARGET_FEDORA) || defined(TARGET_ALTLINUX)
+#if defined(TARGET_FEDORA) || defined(TARGET_ALTLINUX) || defined(TARGET_MANDRIVA)
 #define FILENAME "/etc/sysconfig/network"
 #elif defined(TARGET_SUSE) || defined(TARGET_SLACKWARE) || defined(TARGET_FRUGALWARE)
 #define FILENAME "/etc/HOSTNAME"
@@ -87,7 +87,7 @@ static int read_and_strip_hostname(const char *path, char **hn) {
 
 static int read_distro_hostname(char **hn) {
 
-#if defined(TARGET_FEDORA) || defined(TARGET_ARCH) || defined(TARGET_GENTOO) || defined(TARGET_ALTLINUX)
+#if defined(TARGET_FEDORA) || defined(TARGET_ARCH) || defined(TARGET_GENTOO) || defined(TARGET_ALTLINUX) || defined(TARGET_MANDRIVA)
         int r;
         FILE *f;
 
@@ -174,16 +174,36 @@ int hostname_setup(void) {
                 else
                         log_warning("Failed to read configured hostname: %s", strerror(-r));
 
-                hn = "localhost";
+                hn = NULL;
         } else
                 hn = b;
 
+        if (!hn) {
+                /* Don't override the hostname if it is unset and not
+                 * explicitly configured */
+
+                char *old_hostname = NULL;
+
+                if ((old_hostname = gethostname_malloc())) {
+                        bool already_set;
+
+                        already_set = old_hostname[0] != 0;
+                        free(old_hostname);
+
+                        if (already_set)
+                                goto finish;
+                }
+
+                hn = "localhost";
+        }
+
         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 r;