void load_conffile(void)
{
FILE *f;
char *confdir = NULL;
char *head;
if (loaded)
return;
if (conffile == NULL) {
conffile = DefaultConfFile;
confdir = DefaultConfDir;
}
if (strcmp(conffile, "partitions")==0) {
char *list = dl_strdup("DEV");
dl_init(list);
dl_add(list, dl_strdup("partitions"));
devline(list);
free_line(list);
} else if (strcmp(conffile, "none") != 0) {
f = fopen(conffile, "r");
/* 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;
confdir = DefaultAltConfDir;
}
}
if (f) {
conf_file_or_dir(f);
fclose(f);
}
if (confdir) {
f = fopen(confdir, "r");
if (f) {
conf_file_or_dir(f);
fclose(f);
}
}
}
/* If there was no AUTO line, process an empty line
* now so that the MDADM_CONF_AUTO env var gets processed.
*/
head = dl_strdup("AUTO");
dl_init(head);
autoline(head);
free_line(head);
loaded = 1;
}
char *conf_line(FILE *file)
{
char *w;
char *list;
w = conf_word(file, 1);
if (w == NULL) return NULL;
list = dl_strdup(w);
free(w);
dl_init(list);
while ((w = conf_word(file,0))){
char *w2 = dl_strdup(w);
free(w);
dl_add(list, w2);
}
/* printf("got a line\n");*/
return list;
}
int Examine(mddev_dev_t devlist, int brief, int scan, int SparcAdjust, struct supertype *forcest)
{
/* Read the raid superblock from a device and
* display important content.
*
* If cannot be found, print reason: too small, bad magic
*
* Print:
* version, ctime, level, size, raid+spare+
* prefered minor
* uuid
*
* utime, state etc
*
* If (brief) gather devices for same array and just print a mdadm.conf line including devices=
* if devlist==NULL, use conf_get_devs()
*/
int fd;
void *super = NULL;
int rv = 0;
int err = 0;
struct array {
void *super;
struct supertype *st;
struct mdinfo info;
struct mddev_ident_s ident;
void *devs;
struct array *next;
int spares;
} *arrays = NULL;
for (; devlist ; devlist=devlist->next) {
struct supertype *st = forcest;
fd = dev_open(devlist->devname, O_RDONLY);
if (fd < 0) {
if (!scan)
fprintf(stderr,Name ": cannot open %s: %s\n",
devlist->devname, strerror(errno));
err = 1;
}
else {
if (!st)
st = guess_super(fd);
if (st)
err = st->ss->load_super(st, fd, &super, (brief||scan)?NULL:devlist->devname);
else {
if (!brief)
fprintf(stderr, Name ": No md superblock detected on %s.\n", devlist->devname);
err = 1;
}
close(fd);
}
if (err) {
rv = 1;
continue;
}
if (SparcAdjust)
st->ss->update_super(NULL, super, "sparc2.2", devlist->devname, 0);
/* Ok, its good enough to try, though the checksum could be wrong */
if (brief) {
struct array *ap;
char *d;
for (ap=arrays; ap; ap=ap->next) {
if (st->ss == ap->st->ss && st->ss->compare_super(&ap->super, super)==0)
break;
}
if (!ap) {
ap = malloc(sizeof(*ap));
ap->super = super;
ap->devs = dl_head();
ap->next = arrays;
ap->spares = 0;
ap->st = st;
arrays = ap;
st->ss->getinfo_super(&ap->info, &ap->ident, super);
} else {
st->ss->getinfo_super(&ap->info, &ap->ident, super);
free(super);
}
if (!(ap->info.disk.state & MD_DISK_SYNC))
ap->spares++;
d = dl_strdup(devlist->devname);
dl_add(ap->devs, d);
} else {
printf("%s:\n",devlist->devname);
st->ss->examine_super(super);
free(super);
}
}
if (brief) {
struct array *ap;
for (ap=arrays; ap; ap=ap->next) {
char sep='=';
char *d;
ap->st->ss->brief_examine_super(ap->super);
if (ap->spares) printf(" spares=%d", ap->spares);
if (brief > 1) {
printf(" devices");
for (d=dl_next(ap->devs); d!= ap->devs; d=dl_next(d)) {
printf("%c%s", sep, d);
sep=',';
}
}
free(ap->super);
/* FIXME free ap */
if (ap->spares || brief > 1)
printf("\n");
}
}
return rv;
}
void load_conffile(char *conffile)
{
FILE *f;
char *line;
if (loaded) return;
if (conffile == NULL)
conffile = DefaultConfFile;
if (strcmp(conffile, "none") == 0) {
loaded = 1;
return;
}
if (strcmp(conffile, "partitions")==0) {
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");
/* 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 */
devline(line);
break;
case 1: /* ARRAY */
arrayline(line);
break;
case 2: /* MAIL */
mailline(line);
break;
case 3: /* PROGRAM */
programline(line);
break;
default:
fprintf(stderr, Name ": Unknown keyword %s\n", line);
}
free_line(line);
}
fclose(f);
/* printf("got file\n"); */
}
void autoline(char *line)
{
char *w;
char *seen;
int super_cnt;
char *dflt = auto_yes;
int homehost = 0;
int i;
if (auto_seen)
return;
auto_seen = 1;
/* Parse the 'auto' line creating policy statements for the 'auto' policy.
*
* The default is 'yes' but the 'auto' line might over-ride that.
* Words in the line are processed in order with the first
* match winning.
* word can be:
* +version - that version can be assembled
* -version - that version cannot be auto-assembled
* yes or +all - any other version can be assembled
* no or -all - no other version can be assembled.
* homehost - any array associated by 'homehost' to this
* host can be assembled.
*
* Thus:
* +ddf -0.90 homehost -all
* will auto-assemble any ddf array, no 0.90 array, and
* any other array (imsm, 1.x) if and only if it is identified
* as belonging to this host.
*
* We translate that to policy by creating 'auto=yes' when we see
* a '+version' line, 'auto=no' if we see '-version' before 'homehost',
* or 'auto=homehost' if we see '-version' after 'homehost'.
* When we see yes, no, +all or -all we stop and any version that hasn't
* been seen gets an appropriate auto= entry.
*/
/* If environment variable MDADM_CONF_AUTO is defined, then
* it is prepended to the auto line. This allow a script
* to easily disable some metadata types.
*/
w = getenv("MDADM_CONF_AUTO");
if (w && *w) {
char *l = xstrdup(w);
char *head = line;
w = strtok(l, " \t");
while (w) {
char *nw = dl_strdup(w);
dl_insert(head, nw);
head = nw;
w = strtok(NULL, " \t");
}
free(l);
}
for (super_cnt = 0; superlist[super_cnt]; super_cnt++)
;
seen = xcalloc(super_cnt, 1);
for (w = dl_next(line); w != line ; w = dl_next(w)) {
char *val;
if (strcasecmp(w, "yes") == 0) {
dflt = auto_yes;
break;
}
if (strcasecmp(w, "no") == 0) {
if (homehost)
dflt = auto_homehost;
else
dflt = auto_no;
break;
}
if (strcasecmp(w, "homehost") == 0) {
homehost = 1;
continue;
}
if (w[0] == '+')
val = auto_yes;
else if (w[0] == '-') {
if (homehost)
val = auto_homehost;
else
val = auto_no;
} else
continue;
if (strcasecmp(w+1, "all") == 0) {
dflt = val;
break;
}
for (i = 0; superlist[i]; i++) {
const char *version = superlist[i]->name;
if (strcasecmp(w+1, version) == 0)
break;
/* 1 matches 1.x, 0 matches 0.90 */
if (version[1] == '.' &&
strlen(w+1) == 1 &&
w[1] == version[0])
break;
/* 1.anything matches 1.x */
if (strcmp(version, "1.x") == 0 &&
strncmp(w+1, "1.", 2) == 0)
break;
}
if (superlist[i] == NULL)
/* ignore this word */
continue;
if (seen[i])
/* already know about this metadata */
continue;
policy_add(rule_policy, pol_auto, val, pol_metadata, superlist[i]->name, NULL);
seen[i] = 1;
}
for (i = 0; i < super_cnt; i++)
if (!seen[i])
policy_add(rule_policy, pol_auto, dflt, pol_metadata, superlist[i]->name, NULL);
free(seen);
}
void load_conffile(void)
{
FILE *f;
char *line;
if (loaded) return;
if (conffile == NULL)
conffile = DefaultConfFile;
if (strcmp(conffile, "none") == 0) {
loaded = 1;
return;
}
if (strcmp(conffile, "partitions")==0) {
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");
/* 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 Devices:
devline(line);
break;
case Array:
arrayline(line);
break;
case Mailaddr:
mailline(line);
break;
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"); */
}
