/*
* 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>
+#include <pwd.h>
+#include <grp.h>
/*
* Read the config file
#ifndef CONFFILE
#define CONFFILE "/etc/mdadm.conf"
#endif
+#ifndef CONFFILE2
+/* for Debian compatibility .... */
+#define CONFFILE2 "/etc/mdadm/mdadm.conf"
+#endif
char DefaultConfFile[] = CONFFILE;
-
-char *keywords[] = { "device", "array", "mailaddr", "program", NULL };
+char DefaultAltConfFile[] = CONFFILE2;
+
+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
while (fgets(buf, 1024, f)) {
int major, minor;
char *name, *mp;
+ mddev_dev_t d;
+
buf[1023] = '\0';
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);
- if (name) {
- mddev_dev_t d;
+ name = map_dev(major, minor, 1);
+ if (!name)
+ continue;
+ d = malloc(sizeof(*d));
+ d->devname = strdup(name);
+ d->next = rv;
+ d->used = 0;
+ d->content = NULL;
+ rv = d;
+ }
+ fclose(f);
+ return rv;
+}
+
+mddev_dev_t load_containers(void)
+{
+ struct mdstat_ent *mdstat = mdstat_read(1, 0);
+ struct mdstat_ent *ent;
+ mddev_dev_t d;
+ mddev_dev_t rv = NULL;
+
+ if (!mdstat)
+ return NULL;
+ for (ent = mdstat; ent; ent = ent->next)
+ if (ent->metadata_version &&
+ strncmp(ent->metadata_version, "external:", 9) == 0 &&
+ !is_subarray(&ent->metadata_version[9])) {
d = malloc(sizeof(*d));
- d->devname = strdup(name);
+ if (!d)
+ continue;
+ if (asprintf(&d->devname, "/dev/%s", ent->dev) < 0) {
+ free(d);
+ continue;
+ }
d->next = rv;
+ d->used = 0;
+ d->content = NULL;
rv = d;
}
- }
- fclose(f);
+ free_mdstat(mdstat);
+
return rv;
}
+struct createinfo createinfo = {
+ .autof = 2, /* by default, create devices with standard names */
+ .symlinks = 1,
+#ifdef DEBIAN
+ .gid = 6, /* disk */
+ .mode = 0660,
+#else
+ .mode = 0600,
+#endif
+};
-void devline(char *line)
+int parse_auto(char *str, char *msg, int config)
+{
+ int autof;
+ if (str == NULL || *str == 0)
+ autof = 2;
+ else if (strcasecmp(str,"no")==0)
+ autof = 1;
+ else if (strcasecmp(str,"yes")==0)
+ autof = 2;
+ else if (strcasecmp(str,"md")==0)
+ autof = config?5:3;
+ else {
+ /* There might be digits, and maybe a hypen, at the end */
+ char *e = str + strlen(str);
+ int num = 4;
+ int len;
+ while (e > str && isdigit(e[-1]))
+ e--;
+ if (*e) {
+ num = atoi(e);
+ if (num <= 0) num = 1;
+ }
+ if (e > str && e[-1] == '-')
+ e--;
+ len = e - str;
+ 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;
+ char *ep;
+
+ for (w=dl_next(line); w!=line; w=dl_next(w)) {
+ if (strncasecmp(w, "auto=", 5) == 0)
+ 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");
+ continue;
+ }
+ createinfo.uid = strtoul(w+6, &ep, 10);
+ if (*ep != 0) {
+ struct passwd *pw;
+ /* must be a name */
+ pw = getpwnam(w+6);
+ if (pw)
+ createinfo.uid = pw->pw_uid;
+ else
+ fprintf(stderr, Name ": CREATE user %s not found\n", w+6);
+ }
+ } else if (strncasecmp(w, "group=", 6) == 0) {
+ if (w[6] == 0) {
+ fprintf(stderr, Name ": missing group name\n");
+ continue;
+ }
+ createinfo.gid = strtoul(w+6, &ep, 10);
+ if (*ep != 0) {
+ struct group *gr;
+ /* must be a name */
+ gr = getgrnam(w+6);
+ if (gr)
+ createinfo.gid = gr->gr_gid;
+ else
+ fprintf(stderr, Name ": CREATE group %s not found\n", w+6);
+ }
+ } else if (strncasecmp(w, "mode=", 5) == 0) {
+ if (w[5] == 0) {
+ fprintf(stderr, Name ": missing CREATE mode\n");
+ continue;
+ }
+ createinfo.mode = strtoul(w+5, &ep, 8);
+ if (*ep != 0) {
+ createinfo.mode = 0600;
+ fprintf(stderr, Name ": unrecognised CREATE mode %s\n",
+ w+5);
+ }
+ } 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)
{
char *w;
struct conf_dev *cd;
for (w=dl_next(line); w != line; w=dl_next(w)) {
- if (w[0] == '/' || strcasecmp(w, "partitions") == 0) {
+ if (w[0] == '/' || strcasecmp(w, "partitions") == 0 ||
+ strcasecmp(w, "containers") == 0) {
cd = malloc(sizeof(*cd));
cd->name = strdup(w);
cd->next = cdevlist;
mis.super_minor = UnSet;
mis.level = UnSet;
mis.raid_disks = UnSet;
- mis.spare_disks = UnSet;
+ mis.spare_disks = 0;
mis.devices = NULL;
mis.devname = NULL;
mis.spare_group = NULL;
mis.autof = 0;
+ mis.next = NULL;
+ mis.st = NULL;
+ mis.bitmap_fd = -1;
+ mis.bitmap_file = NULL;
+ mis.name[0] = 0;
+ mis.container = NULL;
+ mis.member = NULL;
for (w=dl_next(line); w!=line; w=dl_next(w)) {
if (w[0] == '/') {
fprintf(stderr, Name ": bad uuid: %s\n", w);
}
} else if (strncasecmp(w, "super-minor=", 12)==0 ) {
- if (mis.super_minor >= 0)
+ if (mis.super_minor != UnSet)
fprintf(stderr, Name ": only specify super-minor once, %s ignored.\n",
w);
else {
mis.super_minor = UnSet;
}
}
+ } else if (strncasecmp(w, "name=", 5)==0) {
+ if (mis.name[0])
+ fprintf(stderr, Name ": only specify name once, %s ignored.\n",
+ w);
+ else if (strlen(w+5) > 32)
+ fprintf(stderr, Name ": name too long, ignoring %s\n", w);
+ else
+ strcpy(mis.name, w+5);
+
+ } else if (strncasecmp(w, "bitmap=", 7) == 0) {
+ if (mis.bitmap_file)
+ fprintf(stderr, Name ": only specify bitmap file once. %s ignored\n",
+ w);
+ else
+ mis.bitmap_file = strdup(w+7);
+
} else if (strncasecmp(w, "devices=", 8 ) == 0 ) {
if (mis.devices)
fprintf(stderr, Name ": only specify devices once (use a comma separated list). %s ignored\n",
} else if (strncasecmp(w, "spares=", 7) == 0 ) {
/* for warning if not all spares present */
mis.spare_disks = atoi(w+7);
+ } 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);
+
+ if (!mis.st)
+ 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 */
- if (strcasecmp(w+5, "no")==0)
- mis.autof = 0;
- else if (strcasecmp(w+5,"yes")==0 || strcasecmp(w+5,"md")==0)
- mis.autof = -1;
- else {
- /* There might be digits, and maybe a hypen, at the end */
- char *e = w+5 + strlen(w+5);
- int num = 4;
- int len;
- while (e > w+5 && isdigit(e[-1]))
- e--;
- if (*e) {
- num = atoi(e);
- if (num <= 0) num = 1;
- }
- if (e > w+5 && e[-1] == '-')
- e--;
- len = e - (w+5);
- if ((len == 3 && strncasecmp(w+5,"mdp",3)==0) ||
- (len == 1 && strncasecmp(w+5,"p",1)==0) ||
- (len >= 4 && strncasecmp(w+5,"part",4)==0))
- mis.autof = num;
- else
- fprintf(stderr, Name ": auto type of \"%s\" ignored for %s\n",
- w+5, mis.devname?mis.devname:"unlabeled-array");
- }
+ mis.autof = parse_auto(w+5, "auto type", 0);
+ } else if (strncasecmp(w, "member=", 7) == 0) {
+ /* subarray within a container */
+ mis.member = strdup(w+7);
+ } else if (strncasecmp(w, "container=", 10) == 0) {
+ /* the container holding this subarray. Either a device name
+ * or a uuid */
+ mis.container = strdup(w+10);
} else {
fprintf(stderr, Name ": unrecognised word on ARRAY line: %s\n",
w);
}
}
- if (mis.devname == NULL)
- fprintf(stderr, Name ": ARRAY line with no device\n");
- else if (mis.uuid_set == 0 && mis.devices == NULL && mis.super_minor == UnSet)
+ if (mis.uuid_set == 0 && mis.devices == NULL && mis.super_minor == UnSet && mis.name[0] == 0)
fprintf(stderr, Name ": ARRAY line %s has no identity information.\n", mis.devname);
else {
mi = malloc(sizeof(*mi));
*mi = mis;
- mi->devname = strdup(mis.devname);
+ mi->devname = mis.devname ? strdup(mis.devname) : NULL;
mi->next = NULL;
*mddevlp = mi;
mddevlp = &mi->next;
}
}
+static char *alert_mail_from = NULL;
+void mailfromline(char *line)
+{
+ char *w;
+
+ for (w=dl_next(line); w != line ; w=dl_next(w)) {
+ if (alert_mail_from == NULL)
+ alert_mail_from = strdup(w);
+ else {
+ char *t = NULL;
+
+ if (asprintf(&t, "%s %s", alert_mail_from, w) > 0) {
+ free(alert_mail_from);
+ alert_mail_from = t;
+ }
+ }
+ }
+}
+
static char *alert_program = NULL;
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;
-void load_conffile(char *conffile)
+static char *conffile = NULL;
+void set_conffile(char *file)
+{
+ conffile = file;
+}
+
+void load_conffile(void)
{
FILE *f;
char *line;
return;
}
if (strcmp(conffile, "partitions")==0) {
- devline("DEV partitions");
+ char *list = dl_strdup("DEV");
+ dl_init(list);
+ dl_add(list, dl_strdup("partitions"));
+ devline(list);
+ free_line(list);
loaded = 1;
return;
}
f = fopen(conffile, "r");
- if (f ==NULL)
+ /* Debian chose to relocate mdadm.conf into /etc/mdadm/.
+ * To allow Debian users to compile from clean source and still
+ * have a working mdadm, we read /etc/mdadm/mdadm.conf
+ * if /etc/mdadm.conf doesn't exist
+ */
+ if (f == NULL &&
+ conffile == DefaultConfFile) {
+ f = fopen(DefaultAltConfFile, "r");
+ if (f)
+ conffile = DefaultAltConfFile;
+ }
+ if (f == NULL)
return;
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 */
+ case Mailfrom:
+ mailfromline(line);
+ break;
+ 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_program(char *conffile)
+char *conf_get_mailfrom(void)
+{
+ load_conffile();
+ return alert_mail_from;
+}
+
+char *conf_get_program(void)
{
- load_conffile(conffile);
+ load_conffile();
return alert_program;
}
+char *conf_get_homehost(void)
+{
+ load_conffile();
+ return home_host;
+}
-mddev_ident_t conf_get_ident(char *conffile, char *dev)
+struct createinfo *conf_get_create_info(void)
+{
+ load_conffile();
+ return &createinfo;
+}
+
+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)
+ while (dev && rv && (rv->devname == NULL
+ || strcmp(dev, rv->devname)!=0))
rv = rv->next;
return rv;
}
-mddev_dev_t conf_get_devs(char *conffile)
+static void append_dlist(mddev_dev_t *dlp, mddev_dev_t list)
+{
+ while (*dlp)
+ dlp = &(*dlp)->next;
+ *dlp = list;
+}
+
+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' and 'containers' */
+ dlist = load_partitions();
+ append_dlist(&dlist, load_containers());
+ }
+
for (cd=cdevlist; cd; cd=cd->next) {
- if (strcasecmp(cd->name, "partitions")==0 && dlist == NULL)
- dlist = load_partitions();
+ if (strcasecmp(cd->name, "partitions")==0)
+ append_dlist(&dlist, load_partitions());
+ else if (strcasecmp(cd->name, "containers")==0)
+ append_dlist(&dlist, load_containers());
else {
glob(cd->name, flags, NULL, &globbuf);
flags |= GLOB_APPEND;
mddev_dev_t t = malloc(sizeof(*t));
t->devname = strdup(globbuf.gl_pathv[i]);
t->next = dlist;
+ t->used = 0;
+ t->content = NULL;
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
projects / thirdparty / mdadm.git / blobdiff