X-Git-Url: http://git.ipfire.org/?p=thirdparty%2Fmdadm.git;a=blobdiff_plain;f=config.c;h=7101c3b0f14a4b29e112310e05b21cada9689978;hp=70b798eb86535c5127f9d205b82ab7bfcfe23b54;hb=757234466509aae6221c2cb96e8366f41ba7e532;hpb=4ccdb956000d19fd03c4192ce7b8b147e34a5af0 diff --git a/config.c b/config.c index 70b798eb..7101c3b0 100644 --- a/config.c +++ b/config.c @@ -1,7 +1,7 @@ /* * mdadm - manage Linux "md" devices aka RAID arrays. * - * Copyright (C) 2001-2002 Neil Brown + * Copyright (C) 2001-2006 Neil Brown * * * This program is free software; you can redistribute it and/or modify @@ -33,6 +33,8 @@ #include #include #include +#include +#include /* * Read the config file @@ -77,7 +79,17 @@ char DefaultConfFile[] = CONFFILE; char DefaultAltConfFile[] = CONFFILE2; -char *keywords[] = { "device", "array", "mailaddr", "program", 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 @@ -230,16 +242,142 @@ mddev_dev_t load_partitions(void) 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); 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 +}; + +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) { @@ -327,7 +465,7 @@ void arrayline(char *line) 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) @@ -364,32 +502,7 @@ 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 */ - 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 hyphen, 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 { fprintf(stderr, Name ": unrecognised word on ARRAY line: %s\n", w); @@ -423,6 +536,23 @@ void mailline(char *line) } } +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; + asprintf(&t, "%s %s", alert_mail_from, w); + free(alert_mail_from); + alert_mail_from = t; + } + } +} + static char *alert_program = NULL; void programline(char *line) @@ -438,10 +568,30 @@ 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; @@ -481,18 +631,27 @@ 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 */ + 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); } @@ -504,30 +663,47 @@ void load_conffile(char *conffile) /* 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; +} + +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; @@ -542,8 +718,12 @@ mddev_dev_t conf_get_devs(char *conffile) free(t); } - load_conffile(conffile); - + load_conffile(); + + if (cdevlist == NULL) + /* default to 'partitions */ + dlist = load_partitions(); + for (cd=cdevlist; cd; cd=cd->next) { if (strcasecmp(cd->name, "partitions")==0 && dlist == NULL) dlist = load_partitions(); @@ -557,6 +737,7 @@ mddev_dev_t conf_get_devs(char *conffile) 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);*/ }