/*
- * $Id: volume.c,v 1.115.2.2 2010-02-09 14:56:30 franklahm Exp $
- *
* Copyright (c) 1990,1993 Regents of The University of Michigan.
* All Rights Reserved. See COPYRIGHT.
*/
#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>
+#include <atalk/fce_api.h>
+#include <atalk/errchk.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);
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#endif /* ! MIN */
-#ifndef NO_LARGE_VOL_SUPPORT
-#if BYTE_ORDER == BIG_ENDIAN
-#define hton64(x) (x)
-#define ntoh64(x) (x)
-#else /* BYTE_ORDER == BIG_ENDIAN */
-#define hton64(x) ((u_int64_t) (htonl(((x) >> 32) & 0xffffffffLL)) | \
- (u_int64_t) ((htonl(x) & 0xffffffffLL) << 32))
-#define ntoh64(x) (hton64(x))
-#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;
#define VOLOPT_CASEFOLD 5 /* character case mangling */
#define VOLOPT_FLAGS 6 /* various flags */
#define VOLOPT_DBPATH 7 /* path to database */
-#define VOLOPT_MAPCHARS 8 /* does mtou and utom mappings. syntax:
- m and u can be double-byte hex
- strings if necessary.
- m=u -> map both ways
- m>u -> map m to u
- m<u -> map u to m
- !u -> make u illegal always
- ~u -> make u illegal only as the first
- part of a double-byte character.
- */
+#define VOLOPT_LIMITSIZE 8 /* Limit the size of the volume */
+/* Usable slot: 9 */
#define VOLOPT_VETO 10 /* list of veto filespec */
#define VOLOPT_PREEXEC 11 /* preexec command */
#define VOLOPT_ROOTPREEXEC 12 /* root preexec command */
-
#define VOLOPT_POSTEXEC 13 /* postexec command */
#define VOLOPT_ROOTPOSTEXEC 14 /* root postexec command */
-
#define VOLOPT_ENCODING 15 /* mac encoding (pre OSX)*/
#define VOLOPT_MACCHARSET 16
#define VOLOPT_CNIDSCHEME 17
#define VOLOPT_ADOUBLE 18 /* adouble version */
+
#ifdef FORCE_UIDGID
#warning UIDGID
#include "uid.h"
-#define VOLOPT_FORCEUID 19 /* force uid for username x */
-#define VOLOPT_FORCEGID 20 /* force gid for group x */
+#define VOLOPT_FORCEUID 19 /* force uid for username x */
+#define VOLOPT_FORCEGID 20 /* force gid for group x */
#endif /* FORCE_UIDGID */
-#define VOLOPT_UMASK 21
+#define VOLOPT_UMASK 21
#define VOLOPT_ALLOWED_HOSTS 22
#define VOLOPT_DENIED_HOSTS 23
-#define VOLOPT_DPERM 24 /* dperm default directories perms */
-#define VOLOPT_FPERM 25 /* fperm default files perms */
-#define VOLOPT_DFLTPERM 26 /* perm */
-#define VOLOPT_EA_VFS 27 /* Extended Attributes vfs indirection */
+#define VOLOPT_DPERM 24 /* dperm default directories perms */
+#define VOLOPT_FPERM 25 /* fperm default files perms */
+#define VOLOPT_DFLTPERM 26 /* perm */
+#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_MAX 28 /* <== IMPORTANT !!!!!! */
-#define VOLOPT_NUM (VOLOPT_MAX + 1)
+#define VOLOPT_MAX 31 /* <== IMPORTANT !!!!!! */
+#define VOLOPT_NUM (VOLOPT_MAX + 1)
#define VOLPASSLEN 8
#define VOLOPT_DEFAULT ":DEFAULT:"
} _special_folder;
static const _special_folder special_folders[] = {
- {"Network Trash Folder", 1, 0777, 1},
- {"Temporary Items", 1, 0777, 1},
{".AppleDesktop", 1, 0777, 0},
#if 0
+ {"Network Trash Folder", 1, 0777, 1},
+ {"Temporary Items", 1, 0777, 1},
{"TheFindByContentFolder", 0, 0, 1},
{"TheVolumeSettingsFolder", 0, 0, 1},
#endif
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;
+#ifndef NO_DDP
if (obj->proto == AFPPROTO_ASP) {
ASP asp = obj->handle;
dest += len;
destlen -= len;
- } else if (obj->proto == AFPPROTO_DSI) {
+ }
+#endif
+ if (obj->proto == AFPPROTO_DSI) {
DSI *dsi = obj->handle;
len = sprintf(dest, "%s:%u",
getip_string((struct sockaddr *)&dsi->client),
destlen -= len;
}
} else if (is_var(p, "$d")) {
+ if (afpmaster && xlatevolname)
+ return NULL;
q = path;
- } else if (is_var(p, "$f")) {
+ } else if (pwd && is_var(p, "$f")) {
+ if (afpmaster && xlatevolname)
+ return NULL;
if ((r = strchr(pwd->pw_gecos, ',')))
*r = '\0';
q = pwd->pw_gecos;
- } else if (is_var(p, "$g")) {
+ } 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, "$i")) {
+ if (afpmaster && xlatevolname)
+ return NULL;
+#ifndef NO_DDP
if (obj->proto == AFPPROTO_ASP) {
ASP asp = obj->handle;
-
len = sprintf(dest, "%u", ntohs(asp->asp_sat.sat_addr.s_net));
dest += len;
destlen -= len;
- } else if (obj->proto == AFPPROTO_DSI) {
+ }
+#endif
+ if (obj->proto == AFPPROTO_DSI) {
DSI *dsi = obj->handle;
q = getip_string((struct sockaddr *)&dsi->client);
}
q = obj->options.server;
} else
q = obj->options.hostname;
- } else if (is_var(p, "$u")) {
+ } 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;
}
setoption(options, save, VOLOPT_ROLIST, val);
} else if (optionok(tmp, "codepage:", val)) {
- LOG (log_error, logtype_afpd, "The old codepage system has been removed. Please make sure to read the documentation !!!!");
+ LOG (log_error, logtype_afpd, "The old codepage system has been removed. Please make sure to read the documentation!");
/* Make sure we don't screw anything */
exit (EXITERR_CONF);
} else if (optionok(tmp, "volcharset:", val)) {
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;
- else if (strcasecmp(p, "eject") == 0)
- options[VOLOPT_FLAGS].i_value |= AFPVOL_EJECT | AFPVOL_RO;
-
+ 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;
+ else if (strcasecmp(p, "noacls") == 0)
+ options[VOLOPT_FLAGS].i_value &= ~AFPVOL_ACLS;
+ else if (strcasecmp(p, "followsymlinks") == 0)
+ options[VOLOPT_FLAGS].i_value |= AFPVOL_FOLLOWSYM;
p = strtok(NULL, ",");
}
+ } else if (optionok(tmp, "cnidserver:", val)) {
+ setoption(options, save, VOLOPT_CNIDSERVER, val);
+
+ char *p = strrchr(val + 1, ':');
+ if (p) {
+ *p = 0;
+ setoption(options, save, VOLOPT_CNIDPORT, p);
+ }
+
+ LOG(log_debug, logtype_afpd, "CNID Server for volume '%s': %s:%s",
+ volname, val + 1, p ? p + 1 : Cnid_port);
+
} else if (optionok(tmp, "dbpath:", val)) {
setoption(options, save, VOLOPT_DBPATH, val);
options[VOLOPT_FPERM].i_value = (int)strtol(val+1, NULL, 8);
} else if (optionok(tmp, "perm:", val)) {
options[VOLOPT_DFLTPERM].i_value = (int)strtol(val+1, NULL, 8);
- } else if (optionok(tmp, "mapchars:",val)) {
- setoption(options, save, VOLOPT_MAPCHARS, val);
-
} else if (optionok(tmp, "password:", val)) {
setoption(options, save, VOLOPT_PASSWORD, val);
else if (strcasecmp(val + 1, "none") == 0)
options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_NONE;
+ } else if (optionok(tmp, "volsizelimit:", val)) {
+ options[VOLOPT_LIMITSIZE].i_value = (uint32_t)strtoul(val + 1, NULL, 10);
+
} 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)) {
+ LOG(log_debug, logtype_afpd, "creatvol(\"%s\"): disabling ACL support", volume->v_path);
+ options[VOLOPT_FLAGS].i_value &= ~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;
volume->v_ad_options |= ADVOL_INVDOTS;
if ((volume->v_flags & AFPVOL_NOADOUBLE))
volume->v_ad_options |= ADVOL_NOADOUBLE;
+ if ((volume->v_flags & AFPVOL_FOLLOWSYM))
+ volume->v_ad_options |= ADVOL_FOLLO_SYML;
if (options[VOLOPT_PASSWORD].c_value)
volume->v_password = strdup(options[VOLOPT_PASSWORD].c_value);
if (options[VOLOPT_CNIDSCHEME].c_value)
volume->v_cnidscheme = strdup(options[VOLOPT_CNIDSCHEME].c_value);
+ if (options[VOLOPT_CNIDSERVER].c_value)
+ volume->v_cnidserver = strdup(options[VOLOPT_CNIDSERVER].c_value);
+
+ if (options[VOLOPT_CNIDPORT].c_value)
+ volume->v_cnidport = strdup(options[VOLOPT_CNIDPORT].c_value);
+
if (options[VOLOPT_UMASK].i_value)
volume->v_umask = (mode_t)options[VOLOPT_UMASK].i_value;
else
volume->v_adouble = AD_VERSION;
+ if (options[VOLOPT_LIMITSIZE].i_value)
+ volume->v_limitsize = options[VOLOPT_LIMITSIZE].i_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;
}
if ( *type == '\0' ) {
- memcpy(em->em_type, "????", sizeof( em->em_type ));
+ memcpy(em->em_type, "\0\0\0\0", sizeof( em->em_type ));
} else {
memcpy(em->em_type, type, sizeof( em->em_type ));
}
if ( *creator == '\0' ) {
- memcpy(em->em_creator, "UNIX", sizeof( em->em_creator ));
+ memcpy(em->em_creator, "\0\0\0\0", sizeof( em->em_creator ));
} else {
memcpy(em->em_creator, creator, sizeof( em->em_creator ));
}
/* ----------------------
* Read a volume configuration file and add the volumes contained within to
- * the global volume list. If p2 is non-NULL, the file that is opened is
+ * the global volume list. This gets called from the forked afpd childs.
+ * The master now reads this too for Zeroconf announcements.
+ *
+ * If p2 is non-NULL, the file that is opened is
* p1/p2
*
* Lines that begin with # and blank lines are ignored.
* <unix path> [<volume name>] [allow:<user>,<@group>,...] \
* [codepage:<file>] [casefold:<num>]
* <extension> TYPE [CREATOR]
+ *
*/
static int readvolfile(AFPObj *obj, struct afp_volume_name *p1, char *p2, int user, struct passwd *pwent)
{
char buf[BUFSIZ];
char type[5], creator[5];
char *u, *p;
+ int fd;
+ int i;
struct passwd *pw;
struct vol_option save_options[VOLOPT_NUM];
+ struct vol_option default_options[VOLOPT_NUM];
struct vol_option options[VOLOPT_NUM];
- int i;
struct stat st;
- int fd;
if (!p1->name)
return -1;
p1->mtime = st.st_mtime;
}
- memset(save_options, 0, sizeof(save_options));
+ /* 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(default_options, 0, sizeof(default_options));
/* Enable some default options for all volumes */
- save_options[VOLOPT_FLAGS].i_value |= AFPVOL_CACHE;
- save_options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_AUTO;
+ default_options[VOLOPT_FLAGS].i_value |= AFPVOL_CACHE;
+#ifdef HAVE_ACLS
+ default_options[VOLOPT_FLAGS].i_value |= AFPVOL_ACLS;
+#endif
+ default_options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_AUTO;
+ LOG(log_maxdebug, logtype_afpd, "readvolfile: seeding default umask: %04o",
+ obj->options.umask);
+ default_options[VOLOPT_UMASK].i_value = obj->options.umask;
+ memcpy(save_options, default_options, sizeof(options));
+
+ LOG(log_debug, logtype_afpd, "readvolfile: \"%s\"", path);
while ( myfgets( buf, sizeof( buf ), fp ) != NULL ) {
initline( strlen( buf ), buf );
case ':':
/* change the default options for this file */
if (strncmp(path, VOLOPT_DEFAULT, VOLOPT_DEFAULT_LEN) == 0) {
+ volfree(default_options, save_options);
+ memcpy(default_options, save_options, sizeof(options));
*tmp = '\0';
for (i = 0; i < VOLOPT_NUM; i++) {
if (parseline( sizeof( path ) - VOLOPT_DEFAULT_LEN - 1,
path + VOLOPT_DEFAULT_LEN) < 0)
break;
- volset(save_options, NULL, tmp, sizeof(tmp) - 1,
+ volset(default_options, NULL, tmp, sizeof(tmp) - 1,
path + VOLOPT_DEFAULT_LEN);
}
}
strcat( tmp, "/" );
strcat( tmp, p );
}
- /* Tag a user's home directory with their umask. Note, this will
- * be overwritten if the user actually specifies a umask: option
- * for a '~' volume. */
- save_options[VOLOPT_UMASK].i_value = obj->options.save_mask;
/* fall through */
case '/' :
/* send path through variable substitution */
if (*path != '~') /* need to copy path to tmp */
strcpy(tmp, path);
- if (!pwent)
+ if (!pwent && obj->username)
pwent = getpwnam(obj->username);
- 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)
- */
- memcpy(options, save_options, sizeof(options));
+ * re-write everything. */
+
+ memcpy(options, default_options, sizeof(options));
*volname = '\0';
/* read in up to VOLOP_NUM possible options */
if (parseline( sizeof( tmp ) - 1, tmp ) < 0)
break;
- volset(options, save_options, volname, sizeof(volname) - 1, tmp);
+ volset(options, default_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 */
- 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);
}
- volfree(options, save_options);
+ volfree(options, default_options);
break;
case '.' :
free(vol->v_forceuid);
free(vol->v_forcegid);
#endif /* FORCE_UIDGID */
+ if (vol->v_uuid)
+ free(vol->v_uuid);
}
/* ------------------------------- */
}
}
}
+/*!
+ * Read band-size info from Info.plist XML file of an TM sparsebundle
+ *
+ * @param path (r) path to Info.plist file
+ * @return band-size in bytes, -1 on error
+ */
+static long long int get_tm_bandsize(const char *path)
+{
+ EC_INIT;
+ FILE *file = NULL;
+ char buf[512];
+ long long int bandsize = -1;
+
+ EC_NULL_LOGSTR( file = fopen(path, "r"),
+ "get_tm_bandsize(\"%s\"): %s",
+ path, strerror(errno) );
+
+ while (fgets(buf, sizeof(buf), file) != NULL) {
+ if (strstr(buf, "band-size") == NULL)
+ continue;
+
+ if (fscanf(file, " <integer>%lld</integer>", &bandsize) != 1) {
+ LOG(log_error, logtype_afpd, "get_tm_bandsize(\"%s\"): can't parse band-size", path);
+ EC_FAIL;
+ }
+ break;
+ }
+
+EC_CLEANUP:
+ if (file)
+ fclose(file);
+ LOG(log_debug, logtype_afpd, "get_tm_bandsize(\"%s\"): bandsize: %lld", path, bandsize);
+ return bandsize;
+}
+
+/*!
+ * Return number on entries in a directory
+ *
+ * @param path (r) path to dir
+ * @return number of entries, -1 on error
+ */
+static long long int get_tm_bands(const char *path)
+{
+ EC_INIT;
+ long long int count = 0;
+ DIR *dir = NULL;
+ const struct dirent *entry;
+
+ EC_NULL( dir = opendir(path) );
+
+ while ((entry = readdir(dir)) != NULL)
+ count++;
+ count -= 2; /* All OSens I'm aware of return "." and "..", so just substract them, avoiding string comparison in loop */
+
+EC_CLEANUP:
+ if (dir)
+ closedir(dir);
+ if (ret != 0)
+ return -1;
+ return count;
+}
+
+/*!
+ * Calculate used size of a TimeMachine volume
+ *
+ * This assumes that the volume is used only for TimeMachine.
+ *
+ * 1) readdir(path of volume)
+ * 2) for every element that matches regex "\(.*\)\.sparsebundle$" :
+ * 3) parse "\1.sparsebundle/Info.plist" and read the band-size XML key integer value
+ * 4) readdir "\1.sparsebundle/bands/" counting files
+ * 5) calculate used size as: (file_count - 1) * band-size
+ *
+ * The result of the calculation is returned in "volume->v_tm_used".
+ * "volume->v_appended" gets reset to 0.
+ * "volume->v_tm_cachetime" is updated with the current time from time(NULL).
+ *
+ * "volume->v_tm_used" is cached for TM_USED_CACHETIME seconds and updated by
+ * "volume->v_appended". The latter is increased by X every time the client
+ * appends X bytes to a file (in fork.c).
+ *
+ * @param vol (rw) volume to calculate
+ * @return 0 on success, -1 on error
+ */
+#define TM_USED_CACHETIME 60 /* cache for 60 seconds */
+static int get_tm_used(struct vol * restrict vol)
+{
+ EC_INIT;
+ long long int bandsize;
+ VolSpace used = 0;
+ bstring infoplist = NULL;
+ bstring bandsdir = NULL;
+ DIR *dir = NULL;
+ const struct dirent *entry;
+ const char *p;
+ struct stat st;
+ long int links;
+ time_t now = time(NULL);
+
+ if (vol->v_tm_cachetime
+ && ((vol->v_tm_cachetime + TM_USED_CACHETIME) >= now)) {
+ if (vol->v_tm_used == -1)
+ EC_FAIL;
+ vol->v_tm_used += vol->v_appended;
+ vol->v_appended = 0;
+ LOG(log_debug, logtype_afpd, "getused(\"%s\"): cached: %" PRIu64 " bytes",
+ vol->v_path, vol->v_tm_used);
+ return 0;
+ }
+
+ vol->v_tm_cachetime = now;
+
+ EC_NULL( dir = opendir(vol->v_path) );
+
+ while ((entry = readdir(dir)) != NULL) {
+ if (((p = strstr(entry->d_name, "sparsebundle")) != NULL)
+ && (strlen(entry->d_name) == (p + strlen("sparsebundle") - entry->d_name))) {
+
+ EC_NULL_LOG( infoplist = bformat("%s/%s/%s", vol->v_path, entry->d_name, "Info.plist") );
+
+ if ((bandsize = get_tm_bandsize(cfrombstr(infoplist))) == -1)
+ continue;
+
+ EC_NULL_LOG( bandsdir = bformat("%s/%s/%s/", vol->v_path, entry->d_name, "bands") );
+
+ if ((links = get_tm_bands(cfrombstr(bandsdir))) == -1)
+ continue;
+
+ used += (links - 1) * bandsize;
+ LOG(log_debug, logtype_afpd, "getused(\"%s\"): bands: %" PRIu64 " bytes",
+ cfrombstr(bandsdir), used);
+ }
+ }
+
+ vol->v_tm_used = used;
+
+EC_CLEANUP:
+ if (infoplist)
+ bdestroy(infoplist);
+ if (bandsdir)
+ bdestroy(bandsdir);
+ if (dir)
+ closedir(dir);
+
+ LOG(log_debug, logtype_afpd, "getused(\"%s\"): %" PRIu64 " bytes", vol->v_path, vol->v_tm_used);
+
+ EC_EXIT;
+}
static int getvolspace(struct vol *vol,
u_int32_t *bfree, u_int32_t *btotal,
{
int spaceflag, rc;
u_int32_t maxsize;
+ VolSpace used;
#ifndef NO_QUOTA_SUPPORT
VolSpace qfree, qtotal;
#endif
}
#endif
- if (( rc = ustatfs_getvolspace( vol, xbfree, xbtotal,
- bsize)) != AFP_OK ) {
+ if (( rc = ustatfs_getvolspace( vol, xbfree, xbtotal, bsize)) != AFP_OK ) {
return( rc );
}
-#define min(a,b) ((a)<(b)?(a):(b))
#ifndef NO_QUOTA_SUPPORT
if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_UQUOTA ) {
if ( uquota_getvolspace( vol, &qfree, &qtotal, *bsize ) == AFP_OK ) {
vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_UQUOTA;
- *xbfree = min(*xbfree, qfree);
- *xbtotal = min( *xbtotal, qtotal);
+ *xbfree = MIN(*xbfree, qfree);
+ *xbtotal = MIN(*xbtotal, qtotal);
goto getvolspace_done;
}
}
vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_USTATFS;
getvolspace_done:
- *bfree = min( *xbfree, maxsize);
- *btotal = min( *xbtotal, maxsize);
+ if (vol->v_limitsize) {
+ if (get_tm_used(vol) != 0)
+ return AFPERR_MISC;
+
+ *xbtotal = MIN(*xbtotal, (vol->v_limitsize * 1024 * 1024));
+ *xbfree = MIN(*xbfree, *xbtotal < vol->v_tm_used ? 0 : *xbtotal - vol->v_tm_used);
+
+ LOG(log_debug, logtype_afpd,
+ "volparams: total: %" PRIu64 ", used: %" PRIu64 ", free: %" PRIu64 " bytes",
+ *xbtotal, vol->v_tm_used, *xbfree);
+ }
+
+ *bfree = MIN(*xbfree, maxsize);
+ *btotal = MIN(*xbtotal, maxsize);
return( AFP_OK );
}
+#define FCE_TM_DELTA 10 /* send notification every 10 seconds */
+void vol_fce_tm_event(void)
+{
+ static time_t last;
+ time_t now = time(NULL);
+ struct vol *vol = Volumes;
+
+ if ((last + FCE_TM_DELTA) < now) {
+ last = now;
+ for ( ; vol; vol = vol->v_next ) {
+ if (vol->v_flags & AFPVOL_TM)
+ (void)fce_register_tm_size(vol->v_path, vol->v_tm_used + vol->v_appended);
+ }
+ }
+}
+
/* -----------------------
* set volume creation date
* avoid duplicate, well at least it tries
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 (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);
+ }
+
pwent = getpwnam(obj->username);
if ( (obj->options.flags & OPTION_USERVOLFIRST) == 0 ) {
readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent);
if (!S_ISDIR(st.st_mode)) {
continue; /* not a dir */
}
- accessmode(volume->v_path, &ma, NULL, &st);
+ accessmode(volume, volume->v_path, &ma, NULL, &st);
if ((ma.ma_user & (AR_UREAD | AR_USEARCH)) != (AR_UREAD | AR_USEARCH)) {
continue; /* no r-x access */
}
if (volume->v_cnidscheme == NULL) {
volume->v_cnidscheme = strdup(DEFAULT_CNID_SCHEME);
- LOG(log_info, logtype_afpd, "Volume %s use CNID scheme %s.", volume->v_path, volume->v_cnidscheme);
+ LOG(log_info, logtype_afpd, "Volume %s use CNID scheme %s.",
+ volume->v_path, volume->v_cnidscheme);
}
+ 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 */
+
/* Legacy pre 2.1 way of sharing eg CD-ROM */
if (strcmp(volume->v_cnidscheme, "last") == 0) {
/* "last" is gone. We support it by switching to in-memory "tdb" */
}
/* New way of sharing CD-ROM */
- if (volume->v_flags & AFPVOL_EJECT) {
+ if (volume->v_flags & AFPVOL_CDROM) {
flags |= CNID_FLAG_MEMORY;
if (strcmp(volume->v_cnidscheme, "tdb") != 0) {
free(volume->v_cnidscheme);
volume->v_path, volume->v_cnidscheme);
}
}
+#endif
- if (volume->v_dbpath)
- volume->v_cdb = cnid_open (volume->v_dbpath, volume->v_umask, volume->v_cnidscheme, flags);
- else
- volume->v_cdb = cnid_open (volume->v_path, volume->v_umask, volume->v_cnidscheme, flags);
+ volume->v_cdb = cnid_open(volume->v_path,
+ volume->v_umask,
+ volume->v_cnidscheme,
+ flags,
+ volume->v_cnidserver ? volume->v_cnidserver : Cnid_srv,
+ volume->v_cnidport ? volume->v_cnidport : Cnid_port);
if ( ! volume->v_cdb && ! (flags & CNID_FLAG_MEMORY)) {
/* The first attempt failed and it wasn't yet an attempt to open in-memory */
+ LOG(log_error, logtype_afpd, "Can't open volume \"%s\" CNID backend \"%s\" ",
+ volume->v_path, volume->v_cnidscheme);
+ LOG(log_error, logtype_afpd, "Reopen volume %s using in memory temporary CNID DB.",
+ volume->v_path);
flags |= CNID_FLAG_MEMORY;
- LOG(log_error, logtype_afpd, "Reopen volume %s using in memory temporary CNID DB.", volume->v_path);
- volume->v_cdb = cnid_open (volume->v_path, volume->v_umask, "tdb", flags);
+ volume->v_cdb = cnid_open (volume->v_path, volume->v_umask, "tdb", flags, NULL, NULL);
#ifdef SERVERTEXT
/* kill ourself with SIGUSR2 aka msg pending */
if (volume->v_cdb) {
- setmessage("Something wrong with the volume's DB ... FIXME with a better msg");
+ setmessage("Something wrong with the volume's CNID DB, using temporary CNID DB instead."
+ "Check server messages for details!");
kill(getpid(), SIGUSR2);
- /* XXX desactivate cachecnid ? */
+ /* deactivate cnid caching/storing in AppleDouble files */
+ volume->v_flags &= ~AFPVOL_CACHE;
}
#endif
}
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);
}
}
return AFPERR_MISC;
}
+ /* Normalize volume path */
+#ifdef REALPATH_TAKES_NULL
+ if ((volume->v_path = realpath(path, NULL)) == NULL)
+ return AFPERR_MISC;
+#else
+ if ((volume->v_path = malloc(MAXPATHLEN+1)) == NULL)
+ return AFPERR_MISC;
+ if (realpath(path, volume->v_path) == NULL) {
+ free(volume->v_path);
+ return AFPERR_MISC;
+ }
+ /* Safe some memory */
+ char *tmp;
+ if ((tmp = strdup(volume->v_path)) == NULL) {
+ free(volume->v_path);
+ return AFPERR_MISC;
+ }
+ free(volume->v_path);
+ volume->v_path = tmp;
+#endif
+
if (volume_codepage(obj, volume) < 0) {
ret = AFPERR_MISC;
goto openvol_err;
* 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;
}
ret = stat_vol(bitmap, volume, rbuf, rbuflen);
+
if (ret == AFP_OK) {
+ handle_special_folders(volume);
+ savevolinfo(volume,
+ volume->v_cnidserver ? volume->v_cnidserver : Cnid_srv,
+ volume->v_cnidport ? volume->v_cnidport : Cnid_port);
- if (!(volume->v_flags & AFPVOL_RO)) {
- handle_special_folders( volume );
- savevolinfo(volume, Cnid_srv, Cnid_port);
- }
/*
* If you mount a volume twice, the second time the trash appears on
}
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;
if ( !ret && folder->hide) {
/* Hide it */
ad_init(&ad, vol->v_adouble, vol->v_ad_options);
- if (ad_open( p, ADFLAGS_HF|ADFLAGS_DIR, O_RDWR|O_CREAT, 0666, &ad) < 0) {
+ if (ad_open_metadata( p, ADFLAGS_DIR, O_CREAT, &ad) < 0) {
free (p);
free(q);
return (-1);
}
- if ((ad_get_HF_flags( &ad ) & O_CREAT) ) {
- if (ad_getentryoff(&ad, ADEID_NAME)) {
- ad_setentrylen( &ad, ADEID_NAME, strlen(folder->name));
- memcpy(ad_entry( &ad, ADEID_NAME ), folder->name,
- ad_getentrylen( &ad, ADEID_NAME ));
- }
- }
+
+ ad_setname(&ad, folder->name);
ad_getattr(&ad, &attr);
attr |= htons( ntohs( attr ) | ATTRBIT_INVISIBLE );
}
ad_flush( &ad );
- ad_close( &ad, ADFLAGS_HF );
+ ad_close_metadata( &ad);
}
free(p);
free(q);
static void handle_special_folders (const struct vol * vol)
{
const _special_folder *p = &special_folders[0];
+ uid_t process_uid;
- if ((vol->v_flags & AFPVOL_RO))
- return;
+ process_uid = geteuid();
+ if (process_uid) {
+ if (seteuid(0) == -1) {
+ process_uid = 0;
+ }
+ }
for (; p->name != NULL; p++) {
create_special_folder (vol, p);
}
+
+ if (process_uid) {
+ if (seteuid(process_uid) == -1) {
+ LOG(log_error, logtype_logger, "can't seteuid back %s", strerror(errno));
+ exit(EXITERR_SYS);
+ }
+ }
+}
+
+const struct vol *getvolumes(void)
+{
+ return Volumes;
+}
+
+void unload_volumes_and_extmap(void)
+{
+ LOG(log_debug, logtype_afpd, "unload_volumes_and_extmap");
+ 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