Allow homehost to be set on command line or in config file

[thirdparty/mdadm.git] / config.c

diff --git a/config.c b/config.c
index c48f88e2f5c0e3c5285cf69e8226d15e651e7176..8382cdfe44174c6ea81b42bd49ff62e7c01bae27 100644 (file)
--- a/config.c
+++ b/config.c
@@ -1,7 +1,7 @@
 /*
  * mdadm - manage Linux "md" devices aka RAID arrays.
  *
- * Copyright (C) 2001-2002 Neil Brown <neilb@cse.unsw.edu.au>
+ * Copyright (C) 2001-2006 Neil Brown <neilb@suse.de>
  *
  *
  *    This program is free software; you can redistribute it and/or modify
@@ -79,10 +79,17 @@
 char DefaultConfFile[] = CONFFILE;
 char DefaultAltConfFile[] = CONFFILE2;
 
-char *keywords[] = { "devices", "array",
-                    "mailaddr", "program", "mailfrom",
-                    "create",
-                    NULL };
+enum linetype { Devices, Array, Mailaddr, Mailfrom, Program, CreateDev, Homehost, LTEnd };
+char *keywords[] = {
+       [Devices]  = "devices",
+       [Array]    = "array",
+       [Mailaddr] = "mailaddr",
+       [Mailfrom] = "mailfrom",
+       [Program]  = "program",
+       [CreateDev]   = "create",
+       [Homehost] = "homehost",
+       [LTEnd]    = NULL
+};
 
 /*
  * match_keyword returns an index into the keywords array, or -1 for no match
@@ -254,17 +261,17 @@ struct createinfo createinfo = {
 #endif
 };
 
-int parse_auto(char *str, char *msg)
+int parse_auto(char *str, char *msg, int config)
 {
        int autof;
        if (str == NULL || *str == 0)
-               autof = -2;
+               autof = 2;
        else if (strcasecmp(str,"no")==0)
-               autof = -3;
+               autof = 1;
        else if (strcasecmp(str,"yes")==0)
-               autof = -2;
+               autof = 2;
        else if (strcasecmp(str,"md")==0)
-               autof = -1;
+               autof = config?5:3;
        else {
                /* There might be digits, and maybe a hypen, at the end */
                char *e = str + strlen(str);
@@ -279,19 +286,24 @@ int parse_auto(char *str, char *msg)
                if (e > str && e[-1] == '-')
                        e--;
                len = e - str;
-               if ((len == 3 && strncasecmp(str,"mdp",3)==0) ||
-                   (len == 1 && strncasecmp(str,"p",1)==0) ||
-                   (len >= 4 && strncasecmp(str,"part",4)==0))
-                       autof = num;
-               else {
+               if ((len == 2 && strncasecmp(str,"md",2)==0)) {
+                       autof = config ? 5 : 3;
+               } else if ((len == 3 && strncasecmp(str,"mdp",3)==0)) {
+                       autof = config ? 6 : 4;
+               } else if ((len == 1 && strncasecmp(str,"p",1)==0) ||
+                          (len >= 4 && strncasecmp(str,"part",4)==0)) {
+                       autof = 6;
+               } else {
                        fprintf(stderr, Name ": %s arg of \"%s\" unrecognised: use no,yes,md,mdp,part\n"
                                "        optionally followed by a number.\n",
                                msg, str);
                        exit(2);
                }
+               autof |= num << 3;
        }
        return autof;
 }
+
 static void createline(char *line)
 {
        char *w;
@@ -299,7 +311,7 @@ static void createline(char *line)
 
        for (w=dl_next(line); w!=line; w=dl_next(w)) {
                if (strncasecmp(w, "auto=", 5) == 0)
-                       createinfo.autof = parse_auto(w+5, "auto=");
+                       createinfo.autof = parse_auto(w+5, "auto=", 1);
                else if (strncasecmp(w, "owner=", 6) == 0) {
                        if (w[6] == 0) {
                                fprintf(stderr, Name ": missing owner name\n");
@@ -475,7 +487,7 @@ void arrayline(char *line)
                                fprintf(stderr, Name ": metadata format %s unknown, ignored.\n", w+9);
                } else if (strncasecmp(w, "auto=", 5) == 0 ) {
                        /* whether to create device special files as needed */
-                       mis.autof = parse_auto(w+5, "auto type");
+                       mis.autof = parse_auto(w+5, "auto type", 0);
                } else {
                        fprintf(stderr, Name ": unrecognised word on ARRAY line: %s\n",
                                w);
@@ -541,6 +553,20 @@ void programline(char *line)
        }
 }
 
+static char *home_host = NULL;
+void homehostline(char *line)
+{
+       char *w;
+
+       for (w=dl_next(line); w != line ; w=dl_next(w)) {
+               if (home_host == NULL)
+                       home_host = strdup(w);
+               else
+                       fprintf(stderr, Name ": excess host name on HOMEHOST line: %s - ignored\n",
+                               w);
+       }
+}
+
 
 int loaded = 0;
 
@@ -584,24 +610,27 @@ void load_conffile(char *conffile)
        loaded = 1;
        while ((line=conf_line(f))) {
                switch(match_keyword(line)) {
-               case 0: /* DEVICE */
+               case Devices:
                        devline(line);
                        break;
-               case 1: /* ARRAY */
+               case Array:
                        arrayline(line);
                        break;
-               case 2: /* MAIL */
+               case Mailaddr:
                        mailline(line);
                        break;
-               case 3: /* PROGRAM */
-                       programline(line);
-                       break;
-               case 4: /* MAILFROM */
+               case Mailfrom:
                        mailfromline(line);
                        break;
-               case 5: /* CREATE */
+               case Program:
+                       programline(line);
+                       break;
+               case CreateDev:
                        createline(line);
                        break;
+               case Homehost:
+                       homehostline(line);
+                       break;
                default:
                        fprintf(stderr, Name ": Unknown keyword %s\n", line);
                }
@@ -631,6 +660,12 @@ char *conf_get_program(char *conffile)
        return alert_program;
 }
 
+char *conf_get_homehost(char *conffile)
+{
+       load_conffile(conffile);
+       return home_host;
+}
+
 struct createinfo *conf_get_create_info(char *conffile)
 {
        load_conffile(conffile);