config: Various stylistic cleanups

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
This commit is contained in:
Jes Sorensen 2016-08-11 15:48:09 -04:00
parent 6a674388f8
commit 421c6c047e
1 changed files with 111 additions and 107 deletions

218
config.c
View File

@ -106,11 +106,13 @@ int match_keyword(char *word)
int len = strlen(word);
int n;
if (len < 3) return -1;
for (n=0; keywords[n]; n++) {
if (strncasecmp(word, keywords[n], len)==0)
if (len < 3)
return -1;
for (n = 0; keywords[n]; n++) {
if (strncasecmp(word, keywords[n], len) == 0)
return n;
}
return -1;
}
@ -124,6 +126,7 @@ struct mddev_dev *load_partitions(void)
FILE *f = fopen("/proc/partitions", "r");
char buf[1024];
struct mddev_dev *rv = NULL;
if (f == NULL) {
pr_err("cannot open /proc/partitions\n");
return NULL;
@ -203,12 +206,12 @@ int parse_auto(char *str, char *msg, int config)
int autof;
if (str == NULL || *str == 0)
autof = 2;
else if (strcasecmp(str,"no")==0)
else if (strcasecmp(str, "no") == 0)
autof = 1;
else if (strcasecmp(str,"yes")==0)
else if (strcasecmp(str, "yes") == 0)
autof = 2;
else if (strcasecmp(str,"md")==0)
autof = config?5:3;
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);
@ -218,19 +221,20 @@ int parse_auto(char *str, char *msg, int config)
e--;
if (*e) {
num = atoi(e);
if (num <= 0) num = 1;
if (num <= 0)
num = 1;
}
if (e > str && e[-1] == '-')
e--;
len = e - str;
if ((len == 2 && strncasecmp(str,"md",2)==0)) {
if ((len == 2 && strncasecmp(str, "md", 2) == 0)) {
autof = config ? 5 : 3;
} else if ((len == 3 && strncasecmp(str,"yes",3)==0)) {
} else if ((len == 3 && strncasecmp(str, "yes", 3) == 0)) {
autof = 2;
} else if ((len == 3 && strncasecmp(str,"mdp",3)==0)) {
} 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)) {
} else if ((len == 1 && strncasecmp(str, "p", 1) == 0) ||
(len >= 4 && strncasecmp(str, "part", 4) == 0)) {
autof = 6;
} else {
pr_err("%s arg of \"%s\" unrecognised: use no,yes,md,mdp,part\n"
@ -248,56 +252,57 @@ static void createline(char *line)
char *w;
char *ep;
for (w=dl_next(line); w!=line; w=dl_next(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=", 1);
createinfo.autof = parse_auto(w + 5, "auto=", 1);
else if (strncasecmp(w, "owner=", 6) == 0) {
if (w[6] == 0) {
pr_err("missing owner name\n");
continue;
}
createinfo.uid = strtoul(w+6, &ep, 10);
createinfo.uid = strtoul(w + 6, &ep, 10);
if (*ep != 0) {
struct passwd *pw;
/* must be a name */
pw = getpwnam(w+6);
pw = getpwnam(w + 6);
if (pw)
createinfo.uid = pw->pw_uid;
else
pr_err("CREATE user %s not found\n", w+6);
pr_err("CREATE user %s not found\n",
w + 6);
}
} else if (strncasecmp(w, "group=", 6) == 0) {
if (w[6] == 0) {
pr_err("missing group name\n");
continue;
}
createinfo.gid = strtoul(w+6, &ep, 10);
createinfo.gid = strtoul(w + 6, &ep, 10);
if (*ep != 0) {
struct group *gr;
/* must be a name */
gr = getgrnam(w+6);
gr = getgrnam(w + 6);
if (gr)
createinfo.gid = gr->gr_gid;
else
pr_err("CREATE group %s not found\n", w+6);
pr_err("CREATE group %s not found\n",
w + 6);
}
} else if (strncasecmp(w, "mode=", 5) == 0) {
if (w[5] == 0) {
pr_err("missing CREATE mode\n");
continue;
}
createinfo.mode = strtoul(w+5, &ep, 8);
createinfo.mode = strtoul(w + 5, &ep, 8);
if (*ep != 0) {
createinfo.mode = 0600;
pr_err("unrecognised CREATE mode %s\n",
w+5);
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);
for (i = 0; superlist[i] && !createinfo.supertype; i++)
createinfo.supertype = superlist[i]->match_metadata_desc(w + 9);
if (!createinfo.supertype)
pr_err("metadata format %s unknown, ignoring\n",
w+9);
@ -325,7 +330,7 @@ void devline(char *line)
char *w;
struct conf_dev *cd;
for (w=dl_next(line); w != line; w=dl_next(w)) {
for (w = dl_next(line); w != line; w = dl_next(w)) {
if (w[0] == '/' || strcasecmp(w, "partitions") == 0 ||
strcasecmp(w, "containers") == 0) {
cd = xmalloc(sizeof(*cd));
@ -333,8 +338,7 @@ void devline(char *line)
cd->next = cdevlist;
cdevlist = cd;
} else {
pr_err("unreconised word on DEVICE line: %s\n",
w);
pr_err("unreconised word on DEVICE line: %s\n", w);
}
}
}
@ -377,7 +381,7 @@ void arrayline(char *line)
mis.container = NULL;
mis.member = NULL;
for (w=dl_next(line); w!=line; w=dl_next(w)) {
for (w = dl_next(line); w != line; w = dl_next(w)) {
if (w[0] == '/' || strchr(w, '=') == NULL) {
/* This names the device, or is '<ignore>'.
* The rules match those in create_mddev.
@ -392,10 +396,9 @@ void arrayline(char *line)
strncmp(w, "/dev/md/", 8) == 0 ||
(w[0] != '/' && w[0] != '<') ||
(strncmp(w, "/dev/md", 7) == 0 &&
is_number(w+7)) ||
is_number(w + 7)) ||
(strncmp(w, "/dev/md_d", 9) == 0 &&
is_number(w+9))
) {
is_number(w + 9))) {
/* This is acceptable */;
if (mis.devname)
pr_err("only give one device per ARRAY line: %s and %s\n",
@ -405,89 +408,91 @@ void arrayline(char *line)
}else {
pr_err("%s is an invalid name for an md device - ignored.\n", w);
}
} else if (strncasecmp(w, "uuid=", 5)==0 ) {
} else if (strncasecmp(w, "uuid=", 5) == 0) {
if (mis.uuid_set)
pr_err("only specify uuid once, %s ignored.\n",
w);
w);
else {
if (parse_uuid(w+5, mis.uuid))
if (parse_uuid(w + 5, mis.uuid))
mis.uuid_set = 1;
else
pr_err("bad uuid: %s\n", w);
}
} else if (strncasecmp(w, "super-minor=", 12)==0 ) {
} else if (strncasecmp(w, "super-minor=", 12) == 0) {
if (mis.super_minor != UnSet)
pr_err("only specify super-minor once, %s ignored.\n",
w);
else {
char *endptr;
int minor = strtol(w+12, &endptr, 10);
int minor = strtol(w + 12, &endptr, 10);
if (w[12]==0 || endptr[0]!=0 || minor < 0)
if (w[12] == 0 || endptr[0] != 0 || minor < 0)
pr_err("invalid super-minor number: %s\n",
w);
w);
else
mis.super_minor = minor;
}
} else if (strncasecmp(w, "name=", 5)==0) {
} else if (strncasecmp(w, "name=", 5) == 0) {
if (mis.name[0])
pr_err("only specify name once, %s ignored.\n",
w);
else if (strlen(w+5) > 32)
else if (strlen(w + 5) > 32)
pr_err("name too long, ignoring %s\n", w);
else
strcpy(mis.name, w+5);
strcpy(mis.name, w + 5);
} else if (strncasecmp(w, "bitmap=", 7) == 0) {
if (mis.bitmap_file)
pr_err("only specify bitmap file once. %s ignored\n",
w);
else
mis.bitmap_file = xstrdup(w+7);
mis.bitmap_file = xstrdup(w + 7);
} else if (strncasecmp(w, "devices=", 8 ) == 0 ) {
} else if (strncasecmp(w, "devices=", 8 ) == 0) {
if (mis.devices)
pr_err("only specify devices once (use a comma separated list). %s ignored\n",
w);
else
mis.devices = xstrdup(w+8);
} else if (strncasecmp(w, "spare-group=", 12) == 0 ) {
mis.devices = xstrdup(w + 8);
} else if (strncasecmp(w, "spare-group=", 12) == 0) {
if (mis.spare_group)
pr_err("only specify one spare group per array. %s ignored.\n",
w);
else
mis.spare_group = xstrdup(w+12);
mis.spare_group = xstrdup(w + 12);
} else if (strncasecmp(w, "level=", 6) == 0 ) {
/* this is mainly for compatability with --brief output */
mis.level = map_name(pers, w+6);
} else if (strncasecmp(w, "disks=", 6) == 0 ) {
mis.level = map_name(pers, w + 6);
} else if (strncasecmp(w, "disks=", 6) == 0) {
/* again, for compat */
mis.raid_disks = atoi(w+6);
} else if (strncasecmp(w, "num-devices=", 12) == 0 ) {
mis.raid_disks = atoi(w + 6);
} else if (strncasecmp(w, "num-devices=", 12) == 0) {
/* again, for compat */
mis.raid_disks = atoi(w+12);
} else if (strncasecmp(w, "spares=", 7) == 0 ) {
mis.raid_disks = atoi(w + 12);
} else if (strncasecmp(w, "spares=", 7) == 0) {
/* for warning if not all spares present */
mis.spare_disks = atoi(w+7);
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);
mis.st = superlist[i]->
match_metadata_desc(w + 9);
if (!mis.st)
pr_err("metadata format %s unknown, ignored.\n", w+9);
pr_err("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", 0);
mis.autof = parse_auto(w + 5, "auto type", 0);
} else if (strncasecmp(w, "member=", 7) == 0) {
/* subarray within a container */
mis.member = xstrdup(w+7);
mis.member = xstrdup(w + 7);
} else if (strncasecmp(w, "container=", 10) == 0) {
/* the container holding this subarray. Either a device name
* or a uuid */
mis.container = xstrdup(w+10);
/* The container holding this subarray.
* Either a device name or a uuid */
mis.container = xstrdup(w + 10);
} else {
pr_err("unrecognised word on ARRAY line: %s\n",
w);
@ -496,7 +501,8 @@ void arrayline(char *line)
if (mis.uuid_set == 0 && mis.devices == NULL &&
mis.super_minor == UnSet && mis.name[0] == 0 &&
(mis.container == NULL || mis.member == NULL))
pr_err("ARRAY line %s has no identity information.\n", mis.devname);
pr_err("ARRAY line %s has no identity information.\n",
mis.devname);
else {
mi = xmalloc(sizeof(*mi));
*mi = mis;
@ -512,7 +518,7 @@ void mailline(char *line)
{
char *w;
for (w=dl_next(line); w != line ; w=dl_next(w))
for (w = dl_next(line); w != line; w = dl_next(w))
if (alert_email == NULL)
alert_email = xstrdup(w);
}
@ -522,7 +528,7 @@ void mailfromline(char *line)
{
char *w;
for (w=dl_next(line); w != line ; w=dl_next(w)) {
for (w = dl_next(line); w != line; w = dl_next(w)) {
if (alert_mail_from == NULL)
alert_mail_from = xstrdup(w);
else {
@ -541,7 +547,7 @@ void programline(char *line)
{
char *w;
for (w=dl_next(line); w != line ; w=dl_next(w))
for (w = dl_next(line); w != line; w = dl_next(w))
if (alert_program == NULL)
alert_program = xstrdup(w);
}
@ -552,11 +558,11 @@ void homehostline(char *line)
{
char *w;
for (w=dl_next(line); w != line ; w=dl_next(w)) {
if (strcasecmp(w, "<ignore>")==0)
for (w = dl_next(line); w != line; w = dl_next(w)) {
if (strcasecmp(w, "<ignore>") == 0)
require_homehost = 0;
else if (home_host == NULL) {
if (strcasecmp(w, "<none>")==0)
if (strcasecmp(w, "<none>") == 0)
home_host = xstrdup("");
else
home_host = xstrdup(w);
@ -569,9 +575,9 @@ void homeclusterline(char *line)
{
char *w;
for (w=dl_next(line); w != line ; w=dl_next(w)) {
for (w = dl_next(line); w != line; w = dl_next(w)) {
if (home_cluster == NULL) {
if (strcasecmp(w, "<none>")==0)
if (strcasecmp(w, "<none>") == 0)
home_cluster = xstrdup("");
else
home_cluster = xstrdup(w);
@ -597,7 +603,9 @@ void autoline(char *line)
return;
auto_seen = 1;
/* Parse the 'auto' line creating policy statements for the 'auto' policy.
/*
* 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
@ -623,7 +631,8 @@ void autoline(char *line)
* been seen gets an appropriate auto= entry.
*/
/* If environment variable MDADM_CONF_AUTO is defined, then
/*
* 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.
*/
@ -645,7 +654,7 @@ void autoline(char *line)
;
seen = xcalloc(super_cnt, 1);
for (w = dl_next(line); w != line ; w = dl_next(w)) {
for (w = dl_next(line); w != line; w = dl_next(w)) {
char *val;
if (strcasecmp(w, "yes") == 0) {
@ -673,22 +682,21 @@ void autoline(char *line)
} else
continue;
if (strcasecmp(w+1, "all") == 0) {
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)
if (strcasecmp(w + 1, version) == 0)
break;
/* 1 matches 1.x, 0 matches 0.90 */
if (version[1] == '.' &&
strlen(w+1) == 1 &&
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)
strncmp(w + 1, "1.", 2) == 0)
break;
}
if (superlist[i] == NULL)
@ -697,12 +705,14 @@ void autoline(char *line)
if (seen[i])
/* already know about this metadata */
continue;
policy_add(rule_policy, pol_auto, val, pol_metadata, superlist[i]->name, NULL);
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);
policy_add(rule_policy, pol_auto, dflt, pol_metadata,
superlist[i]->name, NULL);
free(seen);
}
@ -718,7 +728,7 @@ void set_conffile(char *file)
void conf_file(FILE *f)
{
char *line;
while ((line=conf_line(f))) {
while ((line = conf_line(f))) {
switch(match_keyword(line)) {
case Devices:
devline(line);
@ -789,9 +799,9 @@ void conf_file_or_dir(FILE *f)
if (dp->d_name[0] == '.')
continue;
l = strlen(dp->d_name);
if (l < 6 || strcmp(dp->d_name+l-5, ".conf") != 0)
if (l < 6 || strcmp(dp->d_name + l - 5, ".conf") != 0)
continue;
fn = xmalloc(sizeof(*fn)+l+1);
fn = xmalloc(sizeof(*fn) + l + 1);
strcpy(fn->name, dp->d_name);
for (p = &list;
*p && strcmp((*p)->name, fn->name) < 0;
@ -834,7 +844,7 @@ void load_conffile(void)
confdir = DefaultConfDir;
}
if (strcmp(conffile, "partitions")==0) {
if (strcmp(conffile, "partitions") == 0) {
char *list = dl_strdup("DEV");
dl_init(list);
dl_add(list, dl_strdup("partitions"));
@ -847,8 +857,7 @@ void load_conffile(void)
* have a working mdadm, we read /etc/mdadm/mdadm.conf
* if /etc/mdadm.conf doesn't exist
*/
if (f == NULL &&
conffile == DefaultConfFile) {
if (f == NULL && conffile == DefaultConfFile) {
f = fopen(DefaultAltConfFile, "r");
if (f) {
conffile = DefaultAltConfFile;
@ -921,8 +930,8 @@ struct mddev_ident *conf_get_ident(char *dev)
struct mddev_ident *rv;
load_conffile();
rv = mddevlist;
while (dev && rv && (rv->devname == NULL
|| !devname_matches(dev, rv->devname)))
while (dev && rv && (rv->devname == NULL ||
!devname_matches(dev, rv->devname)))
rv = rv->next;
return rv;
}
@ -957,10 +966,10 @@ struct mddev_dev *conf_get_devs()
append_dlist(&dlist, load_containers());
}
for (cd=cdevlist; cd; cd=cd->next) {
if (strcasecmp(cd->name, "partitions")==0)
for (cd = cdevlist; cd; cd = cd->next) {
if (strcasecmp(cd->name, "partitions") == 0)
append_dlist(&dlist, load_partitions());
else if (strcasecmp(cd->name, "containers")==0)
else if (strcasecmp(cd->name, "containers") == 0)
append_dlist(&dlist, load_containers());
else {
glob(cd->name, flags, NULL, &globbuf);
@ -968,7 +977,7 @@ struct mddev_dev *conf_get_devs()
}
}
if (flags & GLOB_APPEND) {
for (i=0; i<globbuf.gl_pathc; i++) {
for (i = 0; i < globbuf.gl_pathc; i++) {
struct mddev_dev *t;
t = xcalloc(1, sizeof(*t));
t->devname = xstrdup(globbuf.gl_pathv[i]);
@ -988,7 +997,7 @@ int conf_test_dev(char *devname)
if (cdevlist == NULL)
/* allow anything by default */
return 1;
for (cd = cdevlist ; cd ; cd = cd->next) {
for (cd = cdevlist; cd; cd = cd->next) {
if (strcasecmp(cd->name, "partitions") == 0)
return 1;
if (fnmatch(cd->name, devname, FNM_PATHNAME) == 0)
@ -1005,7 +1014,7 @@ int conf_test_metadata(const char *version, struct dev_policy *pol, int is_homeh
* else 'yes'.
*/
struct dev_policy *p;
int no=0, found_homehost=0;
int no = 0, found_homehost = 0;
load_conffile();
pol = pol_find(pol, pol_auto);
@ -1037,9 +1046,9 @@ int match_oneof(char *devices, char *devname)
if (!devices)
devices = p + strlen(p);
if (devices-p < 1024) {
strncpy(patn, p, devices-p);
strncpy(patn, p, devices - p);
patn[devices-p] = 0;
if (fnmatch(patn, devname, FNM_PATHNAME)==0)
if (fnmatch(patn, devname, FNM_PATHNAME) == 0)
return 1;
}
if (*devices == ',')
@ -1068,11 +1077,9 @@ int devname_matches(char *name, char *match)
else if (strncmp(match, "/dev/", 5) == 0)
match += 5;
if (strncmp(name, "md", 2) == 0 &&
isdigit(name[2]))
if (strncmp(name, "md", 2) == 0 && isdigit(name[2]))
name += 2;
if (strncmp(match, "md", 2) == 0 &&
isdigit(match[2]))
if (strncmp(match, "md", 2) == 0 && isdigit(match[2]))
match += 2;
return (strcmp(name, match) == 0);
@ -1095,8 +1102,7 @@ int conf_name_is_free(char *name)
if (dev->name[0] && devname_matches(name, dev->name))
return 0;
sprintf(nbuf, "%d", dev->super_minor);
if (dev->super_minor != UnSet &&
devname_matches(name, nbuf))
if (dev->super_minor != UnSet && devname_matches(name, nbuf))
return 0;
}
return 1;
@ -1140,10 +1146,8 @@ struct mddev_ident *conf_match(struct supertype *st,
array_list->devname);
continue;
}
if (!array_list->uuid_set &&
!array_list->name[0] &&
!array_list->devices &&
array_list->super_minor == UnSet) {
if (!array_list->uuid_set && !array_list->name[0] &&
!array_list->devices && array_list->super_minor == UnSet) {
if (verbose >= 2 && array_list->devname)
pr_err("%s doesn't have any identifying information.\n",
array_list->devname);