/*
* 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
#include "mdadm.h"
#include "dlink.h"
-#include <sys/dir.h>
+#include <dirent.h>
#include <glob.h>
#include <fnmatch.h>
#include <ctype.h>
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
{
int len = strlen(word);
int n;
-
+
if (len < 3) return -1;
for (n=0; keywords[n]; n++) {
if (strncasecmp(word, keywords[n], len)==0)
word[len++] = c;
}
c = getc(file);
+ /* Hack for broken kernels (2.6.14-.24) that put
+ * "active(auto-read-only)"
+ * in /proc/mdstat instead of
+ * "active (auto-read-only)"
+ */
+ if (c == '(' && len >= 6
+ && strncmp(word+len-6, "active", 6) == 0)
+ c = ' ';
}
}
if (c != EOF) ungetc(c, file);
}
word[len] = 0;
+
+ /* Further HACK for broken kernels.. 2.6.14-2.6.24 */
+ if (strcmp(word, "auto-read-only)") == 0)
+ strcpy(word, "(auto-read-only)");
+
/* printf("word is <%s>\n", word); */
if (!wordfound) {
free(word);
}
return word;
}
-
+
/*
* conf_line reads one logical line from the conffile.
* It skips comments and continues until it finds a line that starts
if (buf[0] != ' ')
continue;
major = strtoul(buf, &mp, 10);
- if (mp == buf || *mp != ' ')
+ if (mp == buf || *mp != ' ')
continue;
minor = strtoul(mp, NULL, 10);
name = map_dev(major, minor, 1);
-
+ if (!name)
+ continue;
d = malloc(sizeof(*d));
d->devname = strdup(name);
d->next = rv;
+ d->used = 0;
rv = d;
}
fclose(f);
}
struct createinfo createinfo = {
+ .autof = 2, /* by default, create devices with standard names */
+ .symlinks = 1,
#ifdef DEBIAN
.gid = 6, /* disk */
.mode = 0660,
#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);
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,"yes",3)==0)) {
+ autof = 2;
+ } 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;
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");
}
createinfo.uid = strtoul(w+6, &ep, 10);
if (*ep != 0) {
-#ifndef STATIC
struct passwd *pw;
/* must be a name */
pw = getpwnam(w+6);
if (pw)
createinfo.uid = pw->pw_uid;
else
-#endif /* STATIC */
fprintf(stderr, Name ": CREATE user %s not found\n", w+6);
}
} else if (strncasecmp(w, "group=", 6) == 0) {
}
createinfo.gid = strtoul(w+6, &ep, 10);
if (*ep != 0) {
-#ifndef STATIC
struct group *gr;
/* must be a name */
gr = getgrnam(w+6);
if (gr)
createinfo.gid = gr->gr_gid;
else
-#endif /* STATIC */
fprintf(stderr, Name ": CREATE group %s not found\n", w+6);
}
} else if (strncasecmp(w, "mode=", 5) == 0) {
fprintf(stderr, Name ": unrecognised CREATE mode %s\n",
w+5);
}
- } else {
+ } else if (strncasecmp(w, "metadata=", 9) == 0) {
+ /* style of metadata to use by default */
+ int i;
+ for (i=0; superlist[i] && !createinfo.supertype; i++)
+ createinfo.supertype =
+ superlist[i]->match_metadata_desc(w+9);
+ if (!createinfo.supertype)
+ fprintf(stderr, Name ": metadata format %s unknown, ignoring\n",
+ w+9);
+ } else if (strncasecmp(w, "symlinks=yes", 12) == 0)
+ createinfo.symlinks = 1;
+ else if (strncasecmp(w, "symlinks=no", 11) == 0)
+ createinfo.symlinks = 0;
+ else {
fprintf(stderr, Name ": unrecognised word on CREATE line: %s\n",
w);
}
}
}
-void devline(char *line)
+void devline(char *line)
{
char *w;
struct conf_dev *cd;
fprintf(stderr, Name ": only specify bitmap file once. %s ignored\n",
w);
else
- mis.bitmap_file = w+7;
+ mis.bitmap_file = strdup(w+7);
} else if (strncasecmp(w, "devices=", 8 ) == 0 ) {
if (mis.devices)
} else if (strncasecmp(w, "metadata=", 9) == 0) {
/* style of metadata on the devices. */
int i;
-
+
for(i=0; superlist[i] && !mis.st; i++)
mis.st = superlist[i]->match_metadata_desc(w+9);
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);
}
}
+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;
-void load_conffile(char *conffile)
+static char *conffile = NULL;
+void set_conffile(char *file)
+{
+ conffile = file;
+}
+
+void load_conffile(void)
{
FILE *f;
char *line;
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);
}
free_line(line);
}
-
+
fclose(f);
/* printf("got file\n"); */
}
-char *conf_get_mailaddr(char *conffile)
+char *conf_get_mailaddr(void)
{
- load_conffile(conffile);
+ load_conffile();
return alert_email;
}
-char *conf_get_mailfrom(char *conffile)
+char *conf_get_mailfrom(void)
{
- load_conffile(conffile);
+ load_conffile();
return alert_mail_from;
}
-char *conf_get_program(char *conffile)
+char *conf_get_program(void)
{
- load_conffile(conffile);
+ load_conffile();
return alert_program;
}
-struct createinfo *conf_get_create_info(char *conffile)
+char *conf_get_homehost(void)
{
- load_conffile(conffile);
+ load_conffile();
+ return home_host;
+}
+
+struct createinfo *conf_get_create_info(void)
+{
+ load_conffile();
return &createinfo;
}
-mddev_ident_t conf_get_ident(char *conffile, char *dev)
+mddev_ident_t conf_get_ident(char *dev)
{
mddev_ident_t rv;
- load_conffile(conffile);
+ load_conffile();
rv = mddevlist;
while (dev && rv && strcmp(dev, rv->devname)!=0)
rv = rv->next;
return rv;
}
-mddev_dev_t conf_get_devs(char *conffile)
+mddev_dev_t conf_get_devs()
{
glob_t globbuf;
struct conf_dev *cd;
free(t->devname);
free(t);
}
-
- load_conffile(conffile);
+
+ load_conffile();
if (cdevlist == NULL)
/* default to 'partitions */
mddev_dev_t t = malloc(sizeof(*t));
t->devname = strdup(globbuf.gl_pathv[i]);
t->next = dlist;
+ t->used = 0;
dlist = t;
/* printf("one dev is %s\n", t->devname);*/
}
return dlist;
}
+int conf_test_dev(char *devname)
+{
+ struct conf_dev *cd;
+ if (cdevlist == NULL)
+ /* allow anything by default */
+ return 1;
+ for (cd = cdevlist ; cd ; cd = cd->next) {
+ if (strcasecmp(cd->name, "partitions") == 0)
+ return 1;
+ if (fnmatch(cd->name, devname, FNM_PATHNAME) == 0)
+ return 1;
+ }
+ return 0;
+}
+
+
int match_oneof(char *devices, char *devname)
{
/* check if one of the comma separated patterns in devices