#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
+
+#include <uuid/uuid.h>
+
#include <atalk/asp.h>
#include <atalk/dsi.h>
#include <atalk/adouble.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";
}
-/* 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 (! ((DSI *)obj->handle)->child)
+ 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, "$d")) {
+ if (afpmaster && xlatevolname)
+ return NULL;
q = path;
- } else if (is_var(p, "$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, "$i")) {
+ if (afpmaster && xlatevolname)
+ return NULL;
if (obj->proto == AFPPROTO_ASP) {
ASP asp = obj->handle;
q = obj->options.server;
} else
q = obj->options.hostname;
- } else if (is_var(p, "$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;
}
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
p = strtok(NULL, ",");
}
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 ( 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 ) {
/* 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;
check_ea_sys_support(volume);
initvol_vfs(volume);
+ /* get/store uuid from file */
+ if (volume->v_flags & AFPVOL_TM) {
+ char *uuid = get_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;
/* ----------------------
* 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)
+int readvolfile(AFPObj *obj, struct afp_volume_name *p1, char *p2, int user, struct passwd *pwent)
{
FILE *fp;
char path[MAXPATHLEN + 1];
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 options[VOLOPT_NUM];
- int i;
struct stat st;
- int fd;
if (!p1->name)
return -1;
/* 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;
+ LOG(log_maxdebug, logtype_afpd, "readvolfile: seeding default umask: %04o",
+ 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 );
/* 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)
- */
+ * 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 (!((DSI *)obj->handle)->child
+ ||
+ (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 (((DSI *)obj->handle)->child
+ &&
+ ((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);
free(vol->v_forceuid);
free(vol->v_forcegid);
#endif /* FORCE_UIDGID */
+ if (vol->v_uuid)
+ free(vol->v_uuid);
}
/* ------------------------------- */
free_volumes();
}
+ if (! ((DSI *)obj->handle)->child) {
+ 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);
volume->v_path, volume->v_cnidscheme);
}
- LOG(log_info, logtype_afpd, "CNID server %s:%s",
+ 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" */
+ volume->v_cnidscheme = strdup("tdb");
+ flags |= CNID_FLAG_MEMORY;
+ }
+
+ /* New way of sharing CD-ROM */
+ if (volume->v_flags & AFPVOL_CDROM) {
+ flags |= CNID_FLAG_MEMORY;
+ if (strcmp(volume->v_cnidscheme, "tdb") != 0) {
+ free(volume->v_cnidscheme);
+ volume->v_cnidscheme = strdup("tdb");
+ LOG(log_info, logtype_afpd, "Volume %s is ejectable, switching to scheme %s.",
+ volume->v_path, volume->v_cnidscheme);
+ }
+ }
+#endif
+
volume->v_cdb = cnid_open(volume->v_dbpath ? volume->v_dbpath : volume->v_path,
volume->v_umask,
volume->v_cnidscheme,
volume->v_cnidserver ? volume->v_cnidserver : Cnid_srv,
volume->v_cnidport ? volume->v_cnidport : Cnid_port);
- if (!volume->v_cdb) {
+ 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);
- flags |= CNID_FLAG_MEMORY;
LOG(log_error, logtype_afpd, "Reopen volume %s using in memory temporary CNID DB.",
volume->v_path);
+ flags |= CNID_FLAG_MEMORY;
volume->v_cdb = cnid_open (volume->v_path, volume->v_umask, "tdb", flags, NULL, NULL);
#ifdef SERVERTEXT
/* kill ourself with SIGUSR2 aka msg pending */
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 ((tmp = strdup(volume->v_path)) == NULL) {
free(volume->v_path);
return AFPERR_MISC;
- }
+ }
free(volume->v_path);
volume->v_path = tmp;
#endif
volume->max_filename = MACFILELEN;
}
- volume->v_dir = volume->v_root = NULL;
- volume->v_hash = NULL;
-
volume->v_flags |= AFPVOL_OPEN;
volume->v_cdb = NULL;
else if (*(vol_uname + 1) != '\0')
vol_uname++;
- if ((dir = dirnew(vol_mname, vol_uname) ) == NULL) {
+ if ((dir = dir_new(vol_mname,
+ vol_uname,
+ volume,
+ DIRDID_ROOT_PARENT,
+ DIRDID_ROOT,
+ bfromcstr(volume->v_path),
+ st.st_ctime)
+ ) == NULL) {
free(vol_mname);
LOG(log_error, logtype_afpd, "afp_openvol(%s): malloc: %s", volume->v_path, strerror(errno) );
ret = AFPERR_MISC;
goto openvol_err;
}
free(vol_mname);
+ volume->v_root = dir;
+ curdir = dir;
- dir->d_did = DIRDID_ROOT;
- dir->d_color = DIRTREE_COLOR_BLACK; /* root node is black */
- dir->d_m_name_ucs2 = strdup_w(volume->v_name);
- volume->v_dir = volume->v_root = dir;
- volume->v_curdir = NULL;
- volume->v_hash = dirhash();
-
- curdir = volume->v_dir;
if (volume_openDB(volume) < 0) {
LOG(log_error, logtype_afpd, "Fatal error: cannot open CNID or invalid CNID backend for %s: %s",
volume->v_path, volume->v_cnidscheme);
}
else {
p = Trash;
- cname( volume, volume->v_dir, &p );
+ cname( volume, volume->v_root, &p );
}
return( AFP_OK );
}
openvol_err:
- if (volume->v_dir) {
- hash_free( volume->v_hash);
- dirfree( volume->v_dir );
- volume->v_dir = volume->v_root = NULL;
+ if (volume->v_root) {
+ dir_free( volume->v_root );
+ volume->v_root = NULL;
}
volume->v_flags &= ~AFPVOL_OPEN;
if (!vol)
return;
- hash_free( vol->v_hash);
- dirfree( vol->v_root );
- vol->v_dir = NULL;
+ dir_free( vol->v_root );
+ vol->v_root = NULL;
if (vol->v_cdb != NULL) {
cnid_close(vol->v_cdb);
vol->v_cdb = NULL;
if ( ovol != NULL ) {
/* Even if chdir fails, we can't say afp_closevol fails. */
if ( chdir( ovol->v_path ) == 0 ) {
- curdir = ovol->v_dir;
+ curdir = ovol->v_root;
}
}
}
deletevol(vol);
+ current_vol = NULL;
return( AFP_OK );
}
set_uidgid ( vol );
#endif /* FORCE_UIDGID */
+ current_vol = vol;
+
return( vol );
}
free(q);
return (-1);
}
-
+
ad_setname(&ad, folder->name);
ad_getattr(&ad, &attr);
}
}
+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.
+ */
+char *get_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_atalkd, "ERROR: Cannot create %s (%s).",
+ obj->options.uuidconf, strerror(errno));
+ return NULL;
+ }
+ if (( fp = fdopen( fd, "w" )) == NULL ) {
+ LOG(log_error, logtype_atalkd, "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 */
+ uuid_t id;
+ uuid_generate(id);
+ uuid_unparse(id, uuid);
+ for (int i=0; uuid[i]; i++)
+ uuid[i] = toupper(uuid[i]);
+ LOG(log_debug, logtype_afpd, "get_uuid('%s'): generated UUID '%s'", volname, uuid);
+
+ fprintf(fp, "\"%s\"\t%36s\n", volname, uuid);
+ fclose(fp);
+
+ return strdup(uuid);
+}
projects / netatalk.git / blobdiff