#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
+#include <inttypes.h>
+#include <time.h>
+
#include <atalk/asp.h>
#include <atalk/dsi.h>
#include <atalk/adouble.h>
#include <atalk/volinfo.h>
#include <atalk/logger.h>
#include <atalk/vfs.h>
-#include <atalk/ea.h>
+#include <atalk/uuid.h>
+#include <atalk/bstrlib.h>
+#include <atalk/bstradd.h>
+#include <atalk/ftw.h>
+#include <atalk/globals.h>
+
#ifdef CNID_DB
#include <atalk/cnid.h>
#endif /* CNID_DB*/
-#include "globals.h"
#include "directory.h"
#include "file.h"
#include "volume.h"
#include "mangle.h"
#include "fork.h"
#include "hash.h"
+#include "acls.h"
extern int afprun(int root, char *cmd, int *outfd);
#endif /* BYTE_ORDER == BIG_ENDIAN */
#endif /* ! NO_LARGE_VOL_SUPPORT */
+#ifndef UUID_PRINTABLE_STRING_LENGTH
+#define UUID_PRINTABLE_STRING_LENGTH 37
+#endif
+
+/* Globals */
+struct vol *current_vol; /* last volume from getvolbyvid() */
+
static struct vol *Volumes = NULL;
static u_int16_t lastvid = 0;
static char *Trash = "\02\024Network Trash Folder";
#define VOLOPT_EA_VFS 27 /* Extended Attributes vfs indirection */
#define VOLOPT_CNIDSERVER 28 /* CNID Server ip address*/
#define VOLOPT_CNIDPORT 30 /* CNID server tcp port */
-#define VOLOPT_UUID 31 /* CNID server tcp port */
-#define VOLOPT_MAX 32 /* <== IMPORTANT !!!!!! */
+#define VOLOPT_MAX 31 /* <== IMPORTANT !!!!!! */
#define VOLOPT_NUM (VOLOPT_MAX + 1)
#define VOLPASSLEN 8
static void deletevol(struct vol *vol);
static void volume_free(struct vol *vol);
static void check_ea_sys_support(struct vol *vol);
+static char *get_vol_uuid(const AFPObj *obj, const char *volname);
+static int readvolfile(AFPObj *obj, struct afp_volume_name *p1,char *p2, int user, struct passwd *pwent);
static void volfree(struct vol_option *options, const struct vol_option *save)
{
}
-/* handle variable substitutions. here's what we understand:
+#define is_var(a, b) (strncmp((a), (b), 2) == 0)
+
+/*
+ * Handle variable substitutions. here's what we understand:
* $b -> basename of path
* $c -> client ip/appletalk address
* $d -> volume pathname on server
* $z -> zone (may not exist)
* $$ -> $
*
+ * This get's called from readvolfile with
+ * path = NULL, volname = NULL for xlating the volumes path
+ * path = path, volname = NULL for xlating the volumes name
+ * ... and from volumes options parsing code when xlating eg dbpath with
+ * path = path, volname = volname
*
+ * Using this information we can reject xlation of any variable depeninding on a login
+ * context which is not given in the afp master, where we must evaluate this whole stuff
+ * too for the Zeroconf announcements.
*/
-#define is_var(a, b) (strncmp((a), (b), 2) == 0)
-
-static char *volxlate(AFPObj *obj, char *dest, size_t destlen,
- char *src, struct passwd *pwd, char *path, char *volname)
+static char *volxlate(AFPObj *obj,
+ char *dest,
+ size_t destlen,
+ char *src,
+ struct passwd *pwd,
+ char *path,
+ char *volname)
{
char *p, *r;
const char *q;
int len;
char *ret;
+ int afpmaster = 0;
+ int xlatevolname = 0;
+
+ if (parent_or_child == 0)
+ afpmaster = 1;
+
+ if (path && !volname)
+ /* cf above */
+ xlatevolname = 1;
if (!src) {
return NULL;
/* now figure out what the variable is */
q = NULL;
if (is_var(p, "$b")) {
+ if (afpmaster && xlatevolname)
+ return NULL;
if (path) {
if ((q = strrchr(path, '/')) == NULL)
q = path;
q++;
}
} else if (is_var(p, "$c")) {
+ if (afpmaster && xlatevolname)
+ return NULL;
if (obj->proto == AFPPROTO_ASP) {
ASP asp = obj->handle;
destlen -= len;
}
} else if (is_var(p, "$d")) {
+ if (afpmaster && xlatevolname)
+ return NULL;
q = path;
} else if (pwd && is_var(p, "$f")) {
+ if (afpmaster && xlatevolname)
+ return NULL;
if ((r = strchr(pwd->pw_gecos, ',')))
*r = '\0';
q = pwd->pw_gecos;
} else if (pwd && is_var(p, "$g")) {
+ if (afpmaster && xlatevolname)
+ return NULL;
struct group *grp = getgrgid(pwd->pw_gid);
if (grp)
q = grp->gr_name;
} else if (is_var(p, "$h")) {
q = obj->options.hostname;
} else if (is_var(p, "$i")) {
+ if (afpmaster && xlatevolname)
+ return NULL;
if (obj->proto == AFPPROTO_ASP) {
ASP asp = obj->handle;
} else
q = obj->options.hostname;
} else if (obj->username && is_var(p, "$u")) {
+ if (afpmaster && xlatevolname)
+ return NULL;
char* sep = NULL;
if ( obj->options.ntseparator && (sep = strchr(obj->username, obj->options.ntseparator[0])) != NULL)
q = sep+1;
else
q = obj->username;
} else if (is_var(p, "$v")) {
+ if (afpmaster && xlatevolname)
+ return NULL;
if (volname) {
q = volname;
}
options[VOLOPT_ROOTPREEXEC].i_value = 1;
else if (strcasecmp(p, "upriv") == 0)
options[VOLOPT_FLAGS].i_value |= AFPVOL_UNIX_PRIV;
- else if (strcasecmp(p, "acls") == 0)
- options[VOLOPT_FLAGS].i_value |= AFPVOL_ACLS;
else if (strcasecmp(p, "nodev") == 0)
options[VOLOPT_FLAGS].i_value |= AFPVOL_NODEV;
else if (strcasecmp(p, "caseinsensitive") == 0)
options[VOLOPT_FLAGS].i_value &= ~AFPVOL_CACHE;
else if (strcasecmp(p, "tm") == 0)
options[VOLOPT_FLAGS].i_value |= AFPVOL_TM;
-/* Found this in branch dir-rewrite, maybe we want to use it sometimes */
-#if 0
- else if (strcasecmp(p, "cdrom") == 0)
- options[VOLOPT_FLAGS].i_value |= AFPVOL_CDROM | AFPVOL_RO;
-#endif
+ else if (strcasecmp(p, "searchdb") == 0)
+ options[VOLOPT_FLAGS].i_value |= AFPVOL_SEARCHDB;
+ else if (strcasecmp(p, "nonetids") == 0)
+ options[VOLOPT_FLAGS].i_value |= AFPVOL_NONETIDS;
p = strtok(NULL, ",");
}
} else if (optionok(tmp, "volsizelimit:", val)) {
options[VOLOPT_LIMITSIZE].i_value = (uint32_t)strtoul(val + 1, NULL, 10);
- } else if (optionok(tmp, "uuid:", val)) {
- setoption(options, save, VOLOPT_UUID, val);
-
} else {
/* ignore unknown options */
LOG(log_debug, logtype_afpd, "ignoring unknown volume option: %s", tmp);
char suffix[6]; /* max is #FFFF */
u_int16_t flags;
+ LOG(log_debug, logtype_afpd, "createvol: Volume '%s'", name);
+
if ( name == NULL || *name == '\0' ) {
if ((name = strrchr( path, '/' )) == NULL) {
return -1; /* Obviously not a fully qualified path */
if ( 0 >= ( u8mvlen = convert_string(CH_UTF8_MAC, CH_UCS2, tmpname, tmpvlen, u8mtmpname, AFPVOL_U8MNAMELEN*2)) )
return -1;
- LOG(log_debug, logtype_afpd, "createvol: Volume '%s' -> UTF8-MAC Name: '%s'", name, tmpname);
+ LOG(log_maxdebug, logtype_afpd, "createvol: Volume '%s' -> UTF8-MAC Name: '%s'", name, tmpname);
/* Maccharset Volume Name */
/* Firsty convert name from unixcharset to maccharset */
if ( (flags & CONV_REQMANGLE) || (tmpvlen > AFPVOL_MACNAMELEN)) {
if (tmpvlen + suffixlen > AFPVOL_MACNAMELEN) {
flags = CONV_FORCE;
- tmpvlen = convert_charset(obj->options.unixcharset, obj->options.maccharset, 0, name, vlen, tmpname, AFPVOL_MACNAMELEN - suffixlen, &flags);
+ tmpvlen = convert_charset(obj->options.unixcharset,
+ obj->options.maccharset,
+ 0,
+ name,
+ vlen,
+ tmpname,
+ AFPVOL_MACNAMELEN - suffixlen,
+ &flags);
tmpname[tmpvlen >= 0 ? tmpvlen : 0] = 0;
}
strcat(tmpname, suffix);
}
/* Secondly convert name from maccharset to UCS2 */
- if ( 0 >= ( macvlen = convert_string(obj->options.maccharset, CH_UCS2, tmpname, tmpvlen, mactmpname, AFPVOL_U8MNAMELEN*2)) )
+ if ( 0 >= ( macvlen = convert_string(obj->options.maccharset,
+ CH_UCS2,
+ tmpname,
+ tmpvlen,
+ mactmpname,
+ AFPVOL_U8MNAMELEN*2)) )
return -1;
- LOG(log_debug, logtype_afpd, "createvol: Volume '%s' -> Longname: '%s'", name, tmpname);
+ LOG(log_maxdebug, logtype_afpd, "createvol: Volume '%s' -> Longname: '%s'", name, tmpname);
/* check duplicate */
for ( volume = Volumes; volume; volume = volume->v_next ) {
- if (( strcasecmp_w( volume->v_u8mname, u8mtmpname ) == 0 ) || ( strcasecmp_w( volume->v_macname, mactmpname ) == 0 )){
+ if ((utf8_encoding() && (strcasecmp_w(volume->v_u8mname, u8mtmpname) == 0))
+ ||
+ (!utf8_encoding() && (strcasecmp_w(volume->v_macname, mactmpname) == 0))) {
+ LOG (log_error, logtype_afpd,
+ "Duplicate volume name, check AppleVolumes files: previous: \"%s\", new: \"%s\"",
+ volume->v_localname, name);
if (volume->v_deleted) {
volume->v_new = hide = 1;
}
/* os X start at 1 and use network order ie. 1 2 3 */
volume->v_vid = ++lastvid;
volume->v_vid = htons(volume->v_vid);
+#ifdef HAVE_ACLS
+ if (check_vol_acl_support(volume))
+ volume->v_flags |= AFPVOL_ACLS
+;
+#endif
/* handle options */
if (options) {
- /* should we casefold? */
volume->v_casefold = options[VOLOPT_CASEFOLD].i_value;
-
- /* shift in some flags */
- volume->v_flags = options[VOLOPT_FLAGS].i_value;
+ volume->v_flags |= options[VOLOPT_FLAGS].i_value;
if (options[VOLOPT_EA_VFS].i_value)
volume->v_vfs_ea = options[VOLOPT_EA_VFS].i_value;
if (options[VOLOPT_LIMITSIZE].i_value)
volume->v_limitsize = options[VOLOPT_LIMITSIZE].i_value;
- if (options[VOLOPT_UUID].c_value)
- volume->v_uuid = strdup(options[VOLOPT_UUID].c_value);
-
/* Mac to Unix conversion flags*/
volume->v_mtou_flags = 0;
if (!(volume->v_flags & AFPVOL_NOHEX))
check_ea_sys_support(volume);
initvol_vfs(volume);
+ /* get/store uuid from file in afpd master*/
+ if ((parent_or_child == 0) && (volume->v_flags & AFPVOL_TM)) {
+ char *uuid = get_vol_uuid(obj, volume->v_localname);
+ if (!uuid) {
+ LOG(log_error, logtype_afpd, "Volume '%s': couldn't get UUID",
+ volume->v_localname);
+ } else {
+ volume->v_uuid = uuid;
+ LOG(log_debug, logtype_afpd, "Volume '%s': UUID '%s'",
+ volume->v_localname, volume->v_uuid);
+ }
+ }
+
volume->v_next = Volumes;
Volumes = volume;
return 0;
* <extension> TYPE [CREATOR]
*
*/
-int readvolfile(AFPObj *obj, struct afp_volume_name *p1, char *p2, int user, struct passwd *pwent)
+static int readvolfile(AFPObj *obj, struct afp_volume_name *p1, char *p2, int user, struct passwd *pwent)
{
FILE *fp;
char path[MAXPATHLEN + 1];
char type[5], creator[5];
char *u, *p;
int fd;
- int afpmaster = 0;
int i;
struct passwd *pw;
struct vol_option save_options[VOLOPT_NUM];
struct vol_option options[VOLOPT_NUM];
struct stat st;
- if (! ((DSI *)obj->handle)->child)
- afpmaster = 1;
-
if (!p1->name)
return -1;
p1->mtime = 0;
p1->mtime = st.st_mtime;
}
+ /* try putting a read lock on the volume file twice, sleep 1 second if first attempt fails */
+ int retries = 2;
+ while (1) {
+ if ((read_lock(fd, 0, SEEK_SET, 0)) != 0) {
+ retries--;
+ if (!retries) {
+ LOG(log_error, logtype_afpd, "readvolfile: can't lock volume file \"%s\"", path);
+ if ( fclose( fp ) != 0 ) {
+ LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
+ }
+ return -1;
+ }
+ sleep(1);
+ continue;
+ }
+ break;
+ }
+
memset(save_options, 0, sizeof(save_options));
/* Enable some default options for all volumes */
obj->options.umask);
save_options[VOLOPT_UMASK].i_value = obj->options.umask;
+ LOG(log_debug, logtype_afpd, "readvolfile: \"%s\"", path);
+
while ( myfgets( buf, sizeof( buf ), fp ) != NULL ) {
initline( strlen( buf ), buf );
parseline( sizeof( path ) - 1, path );
if (!pwent && obj->username)
pwent = getpwnam(obj->username);
- if (! afpmaster)
- strcpy(tmp, path);
- else
- volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL, NULL);
+ if (volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL, NULL) == NULL)
+ continue;
/* this is sort of braindead. basically, i want to be
* able to specify things in any order, but i don't want to
- * re-write everything.
- *
- * currently we have options:
- * volname
- * codepage:x
- * casefold:x
- * allow:x,y,@z
- * deny:x,y,@z
- * rwlist:x,y,@z
- * rolist:x,y,@z
- * options:prodos,crlf,noadouble,ro...
- * dbpath:x
- * password:x
- * preexec:x
- *
- * namemask:x,y,!z (not implemented yet)
- */
+ * re-write everything. */
+
memcpy(options, save_options, sizeof(options));
*volname = '\0';
volset(options, save_options, volname, sizeof(volname) - 1, tmp);
}
- /* check allow/deny lists:
+ /* check allow/deny lists (if not afpd master loading volumes for Zeroconf reg.):
allow -> either no list (-1), or in list (1)
deny -> either no list (-1), or not in list (0) */
- if (accessvol(options[VOLOPT_ALLOW].c_value, obj->username) &&
- (accessvol(options[VOLOPT_DENY].c_value, obj->username) < 1) &&
- hostaccessvol(VOLOPT_ALLOWED_HOSTS, volname, options[VOLOPT_ALLOWED_HOSTS].c_value, obj) &&
- (hostaccessvol(VOLOPT_DENIED_HOSTS, volname, options[VOLOPT_DENIED_HOSTS].c_value, obj) < 1)) {
+ if (parent_or_child == 0
+ ||
+ (accessvol(options[VOLOPT_ALLOW].c_value, obj->username) &&
+ (accessvol(options[VOLOPT_DENY].c_value, obj->username) < 1) &&
+ hostaccessvol(VOLOPT_ALLOWED_HOSTS, volname, options[VOLOPT_ALLOWED_HOSTS].c_value, obj) &&
+ (hostaccessvol(VOLOPT_DENIED_HOSTS, volname, options[VOLOPT_DENIED_HOSTS].c_value, obj) < 1))) {
/* handle read-only behaviour. semantics:
* 1) neither the rolist nor the rwlist exist -> rw
* 2) rolist exists -> ro if user is in it.
* 3) rwlist exists -> ro unless user is in it. */
- if (((options[VOLOPT_FLAGS].i_value & AFPVOL_RO) == 0) &&
- ((accessvol(options[VOLOPT_ROLIST].c_value,
- obj->username) == 1) ||
- !accessvol(options[VOLOPT_RWLIST].c_value,
- obj->username)))
+ if (parent_or_child == 1
+ &&
+ ((options[VOLOPT_FLAGS].i_value & AFPVOL_RO) == 0)
+ &&
+ ((accessvol(options[VOLOPT_ROLIST].c_value, obj->username) == 1) ||
+ !accessvol(options[VOLOPT_RWLIST].c_value, obj->username)))
options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
/* do variable substitution for volname */
- if (!afpmaster)
- strcpy(volname, tmp);
- else
- volxlate(obj, tmp, sizeof(tmp) - 1, volname, pwent, path, NULL);
+ if (volxlate(obj, tmp, sizeof(tmp) - 1, volname, pwent, path, NULL) == NULL)
+ continue;
creatvol(obj, pwent, path, tmp, options, p2 != NULL);
}
free(vol->v_forceuid);
free(vol->v_forcegid);
#endif /* FORCE_UIDGID */
+ if (vol->v_uuid)
+ free(vol->v_uuid);
}
/* ------------------------------- */
}
}
+static off_t getused_size; /* result of getused() */
+
+/*!
+ nftw callback for getused()
+ */
+static int getused_stat(const char *path,
+ const struct stat *statp,
+ int tflag,
+ struct FTW *ftw)
+{
+ off_t low, high;
+
+ if (tflag == FTW_F || tflag == FTW_D) {
+ getused_size += statp->st_blocks * 512;
+ }
+
+ return 0;
+}
+
+#define GETUSED_CACHETIME 5
+/*!
+ * Calculate used size of a volume with nftw
+ *
+ * The result is cached, we're try to avoid frequently calling nftw()
+ *
+ * 1) Call nftw an refresh if:
+ * 1a) - we're called the first time
+ * 1b) - volume modification date is not yet set and the last time we've been called is
+ * longer then 30 sec ago
+ * 1c) - the last volume modification is less then 30 sec old
+ *
+ * @param vol (r) volume to calculate
+ */
+static int getused(const struct vol *vol)
+{
+ static time_t vol_mtime = 0;
+ int ret = 0;
+ time_t now = time(NULL);
+
+ if (!vol_mtime
+ || (!vol->v_mtime && ((vol_mtime + GETUSED_CACHETIME) < now))
+ || (vol->v_mtime && ((vol_mtime + GETUSED_CACHETIME) < vol->v_mtime))
+ ) {
+ vol_mtime = now;
+ getused_size = 0;
+ ret = nftw(vol->v_path, getused_stat, NULL, 20, FTW_PHYS); /* 2 */
+ LOG(log_debug, logtype_afpd, "volparams: from nftw: %" PRIu64 " bytes",
+ getused_size);
+ } else {
+ LOG(log_debug, logtype_afpd, "volparams: cached used: %" PRIu64 " bytes",
+ getused_size);
+ }
+
+ return ret;
+}
+
static int getvolspace(struct vol *vol,
u_int32_t *bfree, u_int32_t *btotal,
VolSpace *xbfree, VolSpace *xbtotal, u_int32_t *bsize)
{
int spaceflag, rc;
u_int32_t maxsize;
+ VolSpace used;
#ifndef NO_QUOTA_SUPPORT
VolSpace qfree, qtotal;
#endif
getvolspace_done:
if (vol->v_limitsize) {
- /* FIXME: Free could be limit minus (total minus used), */
- /* which will confuse the client less ? */
- *xbfree = min(*xbfree, (vol->v_limitsize * 1024 * 1024));
+ if (getused(vol) != 0)
+ return AFPERR_MISC;
+ LOG(log_debug, logtype_afpd, "volparams: used on volume: %" PRIu64 " bytes",
+ getused_size);
+
*xbtotal = min(*xbtotal, (vol->v_limitsize * 1024 * 1024));
+ *xbfree = min(*xbfree, *xbtotal < getused_size ? 0 : *xbtotal - getused_size);
}
*bfree = min( *xbfree, maxsize);
ashort |= VOLPBIT_ATTR_UNIXPRIV;
if (vol->v_flags & AFPVOL_TM)
ashort |= VOLPBIT_ATTR_TM;
-
+ if (vol->v_flags & AFPVOL_NONETIDS)
+ ashort |= VOLPBIT_ATTR_NONETIDS;
if (afp_version >= 32) {
if (vol->v_vfs_ea)
ashort |= VOLPBIT_ATTR_EXT_ATTRS;
free_volumes();
}
- if (! ((DSI *)obj->handle)->child) {
+ if (parent_or_child == 0) {
LOG(log_debug, logtype_afpd, "load_volumes: AFP MASTER");
} else {
LOG(log_debug, logtype_afpd, "load_volumes: user: %s", obj->username);
if ( obj->options.flags & OPTION_USERVOLFIRST ) {
readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent );
}
-
+
if ( obj->options.closevol ) {
struct vol *vol;
LOG(log_info, logtype_afpd, "CNID server: %s:%s",
volume->v_cnidserver ? volume->v_cnidserver : Cnid_srv,
volume->v_cnidport ? volume->v_cnidport : Cnid_port);
-
+
#if 0
/* Found this in branch dir-rewrite, maybe we want to use it sometimes */
}
#endif
- volume->v_cdb = cnid_open(volume->v_dbpath ? volume->v_dbpath : volume->v_path,
+ volume->v_cdb = cnid_open(volume->v_path,
volume->v_umask,
volume->v_cnidscheme,
flags,
return (!volume->v_cdb)?-1:0;
}
-/*
- Check if the underlying filesystem supports EAs for ea:sys volumes.
- If not, switch to ea:ad.
- As we can't check (requires write access) on ro-volumes, we switch ea:auto
- volumes that are options:ro to ea:none.
+/*
+ Check if the underlying filesystem supports EAs for ea:sys volumes.
+ If not, switch to ea:ad.
+ As we can't check (requires write access) on ro-volumes, we switch ea:auto
+ volumes that are options:ro to ea:none.
*/
static void check_ea_sys_support(struct vol *vol)
{
if (vol->v_vfs_ea == AFPVOL_EA_AUTO) {
if ((vol->v_flags & AFPVOL_RO) == AFPVOL_RO) {
- LOG(log_info, logtype_logger, "read-only volume '%s', can't test for EA support, disabling EAs", vol->v_localname);
+ LOG(log_info, logtype_afpd, "read-only volume '%s', can't test for EA support, disabling EAs", vol->v_localname);
vol->v_vfs_ea = AFPVOL_EA_NONE;
return;
}
process_uid = geteuid();
if (process_uid)
if (seteuid(0) == -1) {
- LOG(log_error, logtype_logger, "check_ea_sys_support: can't seteuid(0): %s", strerror(errno));
+ LOG(log_error, logtype_afpd, "check_ea_sys_support: can't seteuid(0): %s", strerror(errno));
exit(EXITERR_SYS);
}
if (process_uid) {
if (seteuid(process_uid) == -1) {
- LOG(log_error, logtype_logger, "can't seteuid back %s", strerror(errno));
+ LOG(log_error, logtype_afpd, "can't seteuid back %s", strerror(errno));
exit(EXITERR_SYS);
}
}
if ((tmp = strdup(volume->v_path)) == NULL) {
free(volume->v_path);
return AFPERR_MISC;
- }
+ }
free(volume->v_path);
volume->v_path = tmp;
#endif
* FIXME file size
*/
if (utf8_encoding()) {
- volume->max_filename = 255;
+ volume->max_filename = UTF8FILELEN_EARLY;
}
else {
volume->max_filename = MACFILELEN;
volume,
DIRDID_ROOT_PARENT,
DIRDID_ROOT,
- bfromcstr(volume->v_path))
+ bfromcstr(volume->v_path),
+ &st)
) == NULL) {
free(vol_mname);
LOG(log_error, logtype_afpd, "afp_openvol(%s): malloc: %s", volume->v_path, strerror(errno) );
goto openvol_err;
}
free(vol_mname);
-
volume->v_root = dir;
curdir = dir;
}
deletevol(vol);
+ current_vol = NULL;
return( AFP_OK );
}
set_uidgid ( vol );
#endif /* FORCE_UIDGID */
+ current_vol = vol;
+
return( vol );
}
{
struct timeval tv;
- /* just looking at vol->v_mtime is broken seriously since updates
- * from other users afpd processes never are seen.
- * This is not the most elegant solution (a shared memory between
- * the afpd processes would come closer)
- * [RS] */
-
if ( gettimeofday( &tv, NULL ) < 0 ) {
LOG(log_error, logtype_afpd, "setvoltime(%s): gettimeofday: %s", vol->v_path, strerror(errno) );
return;
free(q);
return (-1);
}
-
+
ad_setname(&ad, folder->name);
ad_getattr(&ad, &attr);
free_extmap();
free_volumes();
}
+
+/*
+ * Get a volumes UUID from the config file.
+ * If there is none, it is generated and stored there.
+ *
+ * Returns pointer to allocated storage on success, NULL on error.
+ */
+static char *get_vol_uuid(const AFPObj *obj, const char *volname)
+{
+ char *volname_conf;
+ char buf[1024], uuid[UUID_PRINTABLE_STRING_LENGTH], *p;
+ FILE *fp;
+ struct stat tmpstat;
+ int fd;
+
+ if ((fp = fopen(obj->options.uuidconf, "r")) != NULL) { /* read open? */
+ /* scan in the conf file */
+ while (fgets(buf, sizeof(buf), fp) != NULL) {
+ p = buf;
+ while (p && isblank(*p))
+ p++;
+ if (!p || (*p == '#') || (*p == '\n'))
+ continue; /* invalid line */
+ if (*p == '"') {
+ p++;
+ if ((volname_conf = strtok( p, "\"" )) == NULL)
+ continue; /* syntax error */
+ } else {
+ if ((volname_conf = strtok( p, " \t" )) == NULL)
+ continue; /* syntax error: invalid name */
+ }
+ p = strchr(p, '\0');
+ p++;
+ if (*p == '\0')
+ continue; /* syntax error */
+
+ if (strcmp(volname, volname_conf) != 0)
+ continue; /* another volume name */
+
+ while (p && isblank(*p))
+ p++;
+
+ if (sscanf(p, "%36s", uuid) == 1 ) {
+ for (int i=0; uuid[i]; i++)
+ uuid[i] = toupper(uuid[i]);
+ LOG(log_debug, logtype_afpd, "get_uuid('%s'): UUID: '%s'", volname, uuid);
+ fclose(fp);
+ return strdup(uuid);
+ }
+ }
+ }
+
+ if (fp)
+ fclose(fp);
+
+ /* not found or no file, reopen in append mode */
+
+ if (stat(obj->options.uuidconf, &tmpstat)) { /* no file */
+ if (( fd = creat(obj->options.uuidconf, 0644 )) < 0 ) {
+ LOG(log_error, logtype_afpd, "ERROR: Cannot create %s (%s).",
+ obj->options.uuidconf, strerror(errno));
+ return NULL;
+ }
+ if (( fp = fdopen( fd, "w" )) == NULL ) {
+ LOG(log_error, logtype_afpd, "ERROR: Cannot fdopen %s (%s).",
+ obj->options.uuidconf, strerror(errno));
+ close(fd);
+ return NULL;
+ }
+ } else if ((fp = fopen(obj->options.uuidconf, "a+")) == NULL) { /* not found */
+ LOG(log_error, logtype_afpd, "Cannot create or append to %s (%s).",
+ obj->options.uuidconf, strerror(errno));
+ return NULL;
+ }
+ fseek(fp, 0L, SEEK_END);
+ if(ftell(fp) == 0) { /* size = 0 */
+ fprintf(fp, "# DON'T TOUCH NOR COPY THOUGHTLESSLY!\n");
+ fprintf(fp, "# This file is auto-generated by afpd\n");
+ fprintf(fp, "# and stores UUIDs for TM volumes.\n\n");
+ } else {
+ fseek(fp, -1L, SEEK_END);
+ if(fgetc(fp) != '\n') fputc('\n', fp); /* last char is \n? */
+ }
+
+ /* generate uuid and write to file */
+ atalk_uuid_t id;
+ const char *cp;
+ randombytes((void *)id, 16);
+ cp = uuid_bin2string(id);
+
+ LOG(log_debug, logtype_afpd, "get_uuid('%s'): generated UUID '%s'", volname, cp);
+
+ fprintf(fp, "\"%s\"\t%36s\n", volname, cp);
+ fclose(fp);
+
+ return strdup(cp);
+}
projects / netatalk.git / blobdiff