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1.1 root 1: /*
2: * $Id: am.h,v 5.2 90/06/23 22:20:28 jsp Rel $
3: *
4: * Copyright (c) 1990 Jan-Simon Pendry
5: * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
6: * Copyright (c) 1990 The Regents of the University of California.
7: * All rights reserved.
8: *
9: * This code is derived from software contributed to Berkeley by
10: * Jan-Simon Pendry at Imperial College, London.
11: *
12: * Redistribution and use in source and binary forms are permitted provided
13: * that: (1) source distributions retain this entire copyright notice and
14: * comment, and (2) distributions including binaries display the following
15: * acknowledgement: ``This product includes software developed by the
16: * University of California, Berkeley and its contributors'' in the
17: * documentation or other materials provided with the distribution and in
18: * all advertising materials mentioning features or use of this software.
19: * Neither the name of the University nor the names of its contributors may
20: * be used to endorse or promote products derived from this software without
21: * specific prior written permission.
22: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
23: * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
24: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
25: *
26: * @(#)am.h 5.1 (Berkeley) 7/19/90
27: */
28:
29: /*
30: * Get this in now so that OS_HDR can use it
31: */
32: #ifdef __STDC__
33: #define P(x) x
34: #define P_void void
35: #else
36: #define P(x) ()
37: #define P_void /* as nothing */
38: #define const /* as nothing */
39: #endif /* __STDC__ */
40:
41: #ifdef __GNUC__
42: #define INLINE /* __inline */
43: #else
44: #define INLINE
45: #endif /* __GNUC__ */
46:
47: /*
48: * Pick up target dependent definitions
49: */
50: #include "os-defaults.h"
51: #include OS_HDR
52:
53: #ifndef UPDATE_MTAB
54: #define unlock_mntlist()
55: #endif /* UPDATE_MTAB */
56:
57: #ifdef VOIDP
58: typedef void *voidp;
59: #else
60: typedef char *voidp;
61: #endif /* VOIDP */
62:
63: /*
64: * Global declarations
65: */
66: #include <stdio.h>
67: #include <sys/param.h>
68: #include <sys/errno.h>
69: extern int errno;
70: #include <sys/socket.h>
71: #include <rpc/rpc.h>
72: #include "nfs_prot.h"
73: #ifdef MNTENT_HDR
74: #include MNTENT_HDR
75: #endif /* MNTENT_HDR */
76: #include <sys/time.h>
77: #include <assert.h>
78:
79: #ifdef DEBUG_MEM
80: #include <malloc.h>
81: #endif /* DEBUG_MEM */
82:
83: #ifndef MAXHOSTNAMELEN
84: #define MAXHOSTNAMELEN 64
85: #endif /* MAXHOSTNAMELEN */
86:
87: #ifndef MNTTYPE_AUTO
88: #define MNTTYPE_AUTO "auto"
89: #endif /* MNTTYPE_AUTO */
90:
91: #ifndef FALSE
92: #define FALSE 0
93: #define TRUE 1
94: #endif /* FALSE */
95:
96: #ifndef ROOT_MAP
97: #define ROOT_MAP "\"root\""
98: #endif /* ROOT_MAP */
99:
100: /*
101: * Flags from command line
102: */
103: extern int print_pid; /* Print pid to stdout */
104: extern int normalize_hosts; /* Normalize host names before use */
105: extern int restart_existing_mounts;
106: #ifdef HAS_NIS_MAPS
107: extern char *domain; /* NIS domain to use */
108: #endif /* HAS_NIS_MAPS */
109: extern FILE *logfp; /* Log file */
110: extern int xlog_level; /* Logging level */
111: #ifdef HAS_SYSLOG
112: extern int syslogging; /* Really using syslog */
113: #endif /* HAS_SYSLOG */
114: extern int am_timeo; /* Cache period */
115: extern int afs_timeo; /* AFS timeout */
116: extern int afs_retrans; /* AFS retrans */
117: extern int am_timeo_w; /* Unmount timeout */
118: extern char *mtab; /* Mount table */
119:
120: #define XLOG_FATAL 0x0001
121: #define XLOG_ERROR 0x0002
122: #define XLOG_USER 0x0004
123: #define XLOG_WARNING 0x0008
124: #define XLOG_INFO 0x0010
125: #define XLOG_DEBUG 0x0020
126: #define XLOG_MAP 0x0040
127: #define XLOG_STATS 0x0080
128:
129: #define XLOG_DEFSTR "all,nomap,nostats" /* Default log options */
130: #define XLOG_ALL (XLOG_FATAL|XLOG_ERROR|XLOG_USER|XLOG_WARNING|XLOG_INFO|XLOG_MAP|XLOG_STATS)
131:
132: #ifdef DEBUG
133: #ifdef DEBUG_MEM
134: #define free(x) xfree(__FILE__,__LINE__,x)
135: #endif /* DEBUG_MEM */
136:
137: #define DEBUG_MTAB "./mtab"
138:
139: extern int debug_flags; /* Debug options */
140:
141: #define D_DAEMON 0x0001 /* Enter daemon mode */
142: #define D_TRACE 0x0002 /* Do protocol trace */
143: #define D_FULL 0x0004 /* Do full trace */
144: #define D_MTAB 0x0008 /* Use local mtab */
145: #define D_AMQ 0x0010 /* Register amq program */
146: #define D_STR 0x0020 /* Debug string munging */
147: #define D_MEM 0x0040 /* Trace memory allocations */
148:
149: /*
150: * Normally, don't enter daemon mode, and don't register amq
151: */
152: #define D_TEST (~(D_DAEMON|D_MEM|D_STR))
153: #define D_ALL (~0)
154:
155: #define Debug(x) if (!(debug_flags & (x))) ; else
156: #define dlog Debug(D_FULL) dplog
157: #endif /* DEBUG */
158:
159: /*
160: * Option tables
161: */
162: struct opt_tab {
163: char *opt;
164: int flag;
165: };
166:
167: typedef enum {
168: Start,
169: Run,
170: Finishing,
171: Quit,
172: Done
173: } serv_state;
174:
175: extern serv_state amd_state; /* Should we go now */
176: extern int immediate_abort; /* Should close-down unmounts be retried */
177: extern time_t do_mapc_reload; /* Flush & reload mount map cache */
178:
179: /*
180: * Useful constants
181: */
182: extern char *progname; /* "amd" */
183: extern char pid_fsname[]; /* kiska.southseas.nz:(pid%d) */
184: extern char hostname[]; /* "kiska" */
185: extern char hostd[]; /* "kiska.southseas.nz" */
186: extern char *hostdomain; /* "southseas.nz" */
187: extern char *op_sys; /* "sos4" */
188: extern char *arch; /* "sun4" */
189: extern char *karch; /* "sun4c" */
190: extern char *cluster; /* "r+d-kluster" */
191: extern char *endian; /* "big" */
192: extern char *auto_dir; /* "/a" */
193: extern char version[]; /* Version info */
194:
195: typedef struct am_ops am_ops;
196: typedef struct am_node am_node;
197: typedef struct am_opts am_opts;
198: typedef struct mntfs mntfs;
199: typedef struct fserver fserver;
200: typedef struct fsrvinfo fsrvinfo;
201:
202: /*
203: * Global variables.
204: */
205: extern unsigned short nfs_port; /* Our NFS service port */
206: extern int mypid; /* Current process id */
207: extern struct in_addr myipaddr; /* (An) IP address of this host */
208:
209: extern int foreground; /* Foreground process */
210: extern int orig_umask; /* umask() on startup */
211: #define clocktime() (clock_valid ? clock_valid : time(&clock_valid))
212: extern time_t time P((time_t *));
213: extern time_t clock_valid; /* Clock needs recalculating */
214: extern time_t next_softclock; /* Time to call softclock() */
215: extern int task_notify_todo; /* Task notifier needs running */
216: #ifdef HAS_TFS
217: extern int nfs_server_code_available;
218: #endif /* HAS_TFS */
219: extern int last_used_map; /* Last map being used for mounts */
220: extern AUTH *nfs_auth; /* Dummy uthorisation for remote servers */
221: extern am_node *exported_ap[]; /* List of nodes */
222: extern int first_free_map; /* First free node */
223: #define NEXP_AP (256)
224:
225: typedef int (*task_fun)P((voidp));
226: typedef void (*cb_fun)P((int, int, voidp));
227: typedef void (*fwd_fun)P((voidp, int, struct sockaddr_in *,
228: struct sockaddr_in *, voidp, int));
229:
230: /*
231: * String comparison macros
232: */
233: #define STREQ(s1, s2) (strcmp((s1), (s2)) == 0)
234: #define FSTREQ(s1, s2) ((*(s1) == *(s2)) && STREQ((s1),(s2)))
235:
236: /*
237: * Linked list
238: */
239: typedef struct qelem qelem;
240: struct qelem {
241: qelem *q_forw;
242: qelem *q_back;
243: };
244: #define FIRST(ty, q) ((ty *) ((q)->q_forw))
245: #define LAST(ty, q) ((ty *) ((q)->q_back))
246: #define NEXT(ty, q) ((ty *) (((qelem *) q)->q_forw))
247: #define PREV(ty, q) ((ty *) (((qelem *) q)->q_back))
248: #define HEAD(ty, q) ((ty *) q)
249: #define ITER(v, ty, q) \
250: for ((v) = FIRST(ty,(q)); (v) != HEAD(ty,(q)); (v) = NEXT(ty,(v)))
251:
252: /*
253: * List of mount table entries
254: */
255: typedef struct mntlist mntlist;
256: struct mntlist {
257: struct mntlist *mnext;
258: struct mntent *mnt;
259: };
260:
261: /*
262: * Mount map
263: */
264: typedef struct mnt_map mnt_map;
265:
266: /*
267: * Global routines
268: */
269: extern int atoi P((const char *)); /* C */
270: extern void am_mounted P((am_node*));
271: extern void am_unmounted P((am_node*));
272: extern int background(P_void);
273: extern int bind_resv_port P((int, unsigned short*));
274: extern int compute_mount_flags P((struct mntent *));
275: extern int softclock(P_void);
276: #ifdef DEBUG
277: extern int debug_option P((char*));
278: extern void dplog ();
279: /*extern void dplog P((char*, ...));*/
280: #endif /* DEBUG */
281: /*extern void domain_strip P((char*, char*));*/
282: extern mntfs* dup_mntfs P((mntfs*));
283: extern fserver* dup_srvr P((fserver*));
284: extern int eval_fs_opts P((am_opts*, char*, char*, char*, char*, char*));
285: extern char* expand_key P((char*));
286: extern am_node* exported_ap_alloc(P_void);
287: extern am_node* find_ap P((char*));
288: extern mntfs* find_mntfs P((am_ops*, am_opts*, char*, char*, char*));
289: extern void flush_mntfs(P_void);
290: extern FREE_RETURN_TYPE free P((voidp)); /* C */
291: extern void free_mntfs P((mntfs*));
292: extern void free_opts P((am_opts*));
293: extern void free_map P((am_node*));
294: extern void free_mntlist P((mntlist*));
295: extern int fwd_init(P_void);
296: extern int fwd_packet P((int, voidp, int, struct sockaddr_in *,
297: struct sockaddr_in *, voidp, fwd_fun));
298: extern void fwd_reply(P_void);
299: extern void get_args P((int, char*[]));
300: extern void going_down P((int));
301: #ifdef NEED_MNTOPT_PARSER
302: extern char *hasmntopt P((struct mntent*, char*));
303: #endif /* NEED_MNTOPT_PARSER */
304: extern int hasmntval P((struct mntent*, char*));
305: extern void host_normalize P((char **));
306: extern void init_map P((am_node*, char*));
307: extern void insert_am P((am_node*, am_node*));
308: extern void ins_que P((qelem*, qelem*));
309: extern void make_root_node(P_void);
310: extern int make_rpc_packet P((char*, int, u_long, struct rpc_msg*, voidp, xdrproc_t, AUTH*));
311: extern void mapc_add_kv P((mnt_map*, char*, char*));
312: extern mnt_map* mapc_find P((char*, char*));
313: extern void mapc_free P((mnt_map*));
314: extern int mapc_search P((mnt_map*, char*, char**));
315: extern void mapc_reload(P_void);
316: extern void mapc_showtypes P((FILE*));
317: extern int mkdirs P((char*, int));
318: extern void mnt_free P((struct mntent*));
319: extern int mount_automounter P((int));
320: extern int mount_exported(P_void);
321: extern int mount_node P((am_node*));
322: extern mntfs* new_mntfs(P_void);
323: extern void new_ttl P((am_node*));
324: extern am_node* next_map P((int*));
325: extern int nfs_srvr_port P((fserver*, u_short*, voidp));
326: extern int pickup_rpc_reply P((voidp, int, voidp, xdrproc_t));
327: extern void plog ();
328: /*extern void plog P((int, char*, ...));*/
329: extern mntlist* read_mtab P((char*));
330: extern mntfs* realloc_mntfs P((mntfs*, am_ops*, am_opts*, char*, char*, char*));
331: extern void rem_que P((qelem*));
332: extern void reschedule_timeout_mp(P_void);
333: extern void restart(P_void);
334: #ifdef UPDATE_MTAB
335: extern void rewrite_mtab P((mntlist *));
336: #endif /* UPDATE_MTAB */
337: extern void rmdirs P((char*));
338: extern am_node* root_ap P((char*, int));
339: extern void root_newmap P((char*, char*, char*));
340: extern void rpc_msg_init P((struct rpc_msg*, u_long, u_long, u_long));
341: extern void run_task P((task_fun, voidp, cb_fun, voidp));
342: extern void sched_task P((cb_fun, voidp, voidp));
343: extern void show_rcs_info P((const char*, char*));
344: extern void sigchld P((int));
345: extern void srvrlog P((fserver*, char*));
346: extern char* str3cat P((char*, char*, char*, char*));
347: extern char* strcat P((char*, const char*)); /* C */
348: extern char* strchr P((const char*, int)); /* C */
349: extern int strcmp P((const char*, const char*)); /* C */
350: extern char* strdup P((const char*));
351: extern int strlen P((const char*)); /* C */
352: extern char* strnsave P((const char*, int));
353: extern char* strrchr P((const char*, int)); /* C */
354: extern char* strealloc P((char*, char *));
355: extern char** strsplit P((char*, int));
356: extern int switch_option P((char*));
357: extern void task_notify(P_void);
358: extern int timeout P((unsigned int, void (*fn)(), voidp));
359: extern void timeout_mp(P_void);
360: extern void umount_exported(P_void);
361: /*extern int unmount_node P((am_node*));
362: extern int unmount_node_wrap P((voidp));*/
363: extern void unregister_amq(P_void);
364: extern void untimeout P((int));
365: extern int valid_key P((char*));
366: extern void wakeup P((voidp));
367: extern void wakeup_task P((int,int,voidp));
368: extern void wakeup_srvr P((fserver*));
369: extern void write_mntent P((struct mntent*));
370: extern voidp xmalloc P((int));
371: extern voidp xrealloc P((voidp, int));
372:
373: #define ALLOC(ty) ((struct ty *) xmalloc(sizeof(struct ty)))
374:
375: /*
376: * Options
377: */
378: struct am_opts {
379: char *fs_glob; /* Smashed copy of global options */
380: char *fs_local; /* Expanded copy of local options */
381: char *fs_mtab; /* Mount table entry */
382: /* Other options ... */
383: char *opt_dev;
384: char *opt_delay;
385: char *opt_dir;
386: char *opt_fs;
387: char *opt_group;
388: char *opt_mount;
389: char *opt_opts;
390: char *opt_pref;
391: char *opt_cache;
392: char *opt_rfs;
393: char *opt_rhost;
394: char *opt_sublink;
395: char *opt_type;
396: char *opt_unmount;
397: char *opt_user;
398: };
399:
400: /*
401: * File Handle
402: *
403: * This is interpreted by indexing the exported array
404: * by fhh_id.
405: *
406: * The whole structure is mapped onto a standard fhandle_t
407: * when transmitted.
408: */
409: struct am_fh {
410: int fhh_pid; /* process id */
411: int fhh_id; /* map id */
412: int fhh_gen; /* generation number */
413: };
414:
415: extern am_node *fh_to_mp P((nfs_fh*));
416: extern am_node *fh_to_mp3 P((nfs_fh*,int*,int));
417: extern void mp_to_fh P((am_node*, nfs_fh*));
418: #define fh_to_mp2(fhp, rp) fh_to_mp3(fhp, rp, VLOOK_CREATE)
419:
420: typedef int (*vfs_match)P((am_opts*));
421: typedef int (*vfs_init)P((mntfs*));
422: typedef int (*vmount_fs)P((am_node*));
423: typedef int (*vumount_fs)P((am_node*));
424: typedef am_node*(*vlookuppn)P((am_node*, char*, int*, int));
425: typedef int (*vreaddir)P((am_node*, nfscookie, dirlist*, entry*));
426: typedef am_node*(*vreadlink)P((am_node*, int*));
427: typedef int (*vmounted)P((mntfs*));
428: typedef void (*vumounted)P((am_node*));
429: typedef fserver*(*vffserver)P((mntfs*));
430:
431: struct am_ops {
432: char *fs_type;
433: vfs_match fs_match;
434: vfs_init fs_init;
435: vmount_fs mount_fs;
436: vumount_fs umount_fs;
437: vlookuppn lookuppn;
438: vreaddir readdir;
439: vreadlink readlink;
440: vmounted mounted;
441: vumounted umounted;
442: vffserver ffserver;
443: int fs_flags;
444: };
445: extern am_node *efs_lookuppn P((am_node*, char*, int*, int));
446: extern int efs_readdir P((am_node*, nfscookie, dirlist*, entry*));
447:
448: #define VLOOK_CREATE 0x1
449: #define VLOOK_DELETE 0x2
450:
451: #define FS_RETRY 0x0001 /* Retry this type of mount */
452: #define FS_MBACKGROUND 0x0002 /* Should background this mount */
453: #define FS_NOTIMEOUT 0x0004 /* Don't bother with timeouts */
454: #define FS_MKMNT 0x0008 /* Need to make the mkdir point */
455: #define FS_UBACKGROUND 0x0010 /* Unmount in background */
456: #define FS_BACKGROUND (FS_MBACKGROUND|FS_UBACKGROUND)
457: #define FS_DISCARD 0x0020 /* Discard immediately on last reference */
458: #define FS_AMQINFO 0x0040 /* Amq is interested in this fs type */
459:
460: #ifdef SUNOS4_COMPAT
461: extern am_ops *sunos4_match P((am_opts*, char*, char*, char*, char*, char*));
462: #endif /* SUNOS4_COMPAT */
463: extern am_ops *ops_match P((am_opts*, char*, char*, char*, char*, char*));
464: #include "fstype.h"
465:
466: /*
467: * Per-mountpoint statistics
468: */
469: struct am_stats {
470: time_t s_mtime; /* Mount time */
471: u_short s_uid; /* Uid of mounter */
472: int s_getattr; /* Count of getattrs */
473: int s_lookup; /* Count of lookups */
474: int s_readdir; /* Count of readdirs */
475: int s_readlink; /* Count of readlinks */
476: int s_statfs; /* Count of statfs */
477: };
478: typedef struct am_stats am_stats;
479:
480: /*
481: * System statistics
482: */
483: struct amd_stats {
484: int d_drops; /* Dropped requests */
485: int d_stale; /* Stale NFS handles */
486: int d_mok; /* Succesful mounts */
487: int d_merr; /* Failed mounts */
488: int d_uerr; /* Failed unmounts */
489: };
490: extern struct amd_stats amd_stats;
491:
492: /*
493: * List of fileservers
494: */
495: struct fserver {
496: qelem fs_q; /* List of fileservers */
497: int fs_refc; /* Number of references to this node */
498: char *fs_host; /* Normalized hostname of server */
499: struct sockaddr_in *fs_ip; /* Network address of server */
500: int fs_cid; /* Callout id */
501: int fs_pinger; /* Ping (keepalive) interval */
502: int fs_flags; /* Flags */
503: char *fs_type; /* File server type */
504: voidp fs_private; /* Private data */
505: void (*fs_prfree)(); /* Free private data */
506: };
507: #define FSF_VALID 0x0001 /* Valid information available */
508: #define FSF_DOWN 0x0002 /* This fileserver is thought to be down */
509: #define FSF_ERROR 0x0004 /* Permanent error has occured */
510: #define FSF_WANT 0x0008 /* Want a wakeup call */
511: #define FSF_PINGING 0x0010 /* Already doing pings */
512: #define FSRV_ISDOWN(fs) (((fs)->fs_flags & (FSF_DOWN|FSF_VALID)) == (FSF_DOWN|FSF_VALID))
513: #define FSRV_ISUP(fs) (((fs)->fs_flags & (FSF_DOWN|FSF_VALID)) == (FSF_VALID))
514:
515: /*
516: * List of mounted filesystems
517: */
518: struct mntfs {
519: qelem mf_q; /* List of mounted filesystems */
520: am_ops *mf_ops; /* Operations on this mountpoint */
521: am_opts *mf_fo; /* File opts */
522: struct attrstat mf_attr; /* File attributes */
523: #define mf_fattr mf_attr.attrstat_u.attributes
524: char *mf_mount; /* "/a/kiska/home/kiska" */
525: char *mf_info; /* Mount info */
526: char *mf_opts; /* Mount opts */
527: fserver *mf_server; /* File server */
528: int mf_flags; /* Flags */
529: int mf_error; /* Error code from background mount */
530: int mf_refc; /* Number of references to this node */
531: int mf_cid; /* Callout id */
532: void (*mf_prfree)(); /* Free private space */
533: voidp mf_private; /* Private - per-fs data */
534: };
535:
536: #define MFF_MOUNTED 0x0001 /* Node is mounted */
537: #define MFF_MOUNTING 0x0002 /* Mount is in progress */
538: #define MFF_UNMOUNTING 0x0004 /* Unmount is in progress */
539: #define MFF_RESTART 0x0008 /* Restarted node */
540: #define MFF_MKMNT 0x0010 /* Delete this node's am_mount */
541: #define MFF_ERROR 0x0020 /* This node failed to mount */
542: #define MFF_LOGDOWN 0x0040 /* Logged that this mount is down */
543: #define MFF_RSTKEEP 0x0080 /* Don't timeout this filesystem - restarted */
544: #define MFF_WANTTIMO 0x0100 /* Need a timeout call when not busy */
545:
546: /*
547: * Map of auto-mount points.
548: */
549: struct am_node {
550: int am_mapno; /* Map number */
551: mntfs *am_mnt; /* Mounted filesystem */
552: char *am_name; /* "kiska"
553: Name of this node */
554: char *am_path; /* "/home/kiska"
555: Path of this node's mount point */
556: char *am_link; /* "/a/kiska/home/kiska/this/that"
557: Link to sub-directory */
558: am_node *am_parent, /* Parent of this node */
559: *am_ysib, /* Younger sibling of this node */
560: *am_osib, /* Older sibling of this node */
561: *am_child; /* First child of this node */
562: int am_flags; /* Boolean flags */
563: int am_error; /* Specific mount error */
564: time_t am_ttl; /* Time to live */
565: int am_timeo_w; /* Wait interval */
566: int am_timeo; /* Timeout interval */
567: unsigned int am_gen; /* Generation number */
568: char *am_pref; /* Mount info prefix */
569: am_stats am_stats; /* Statistics gathering */
570: };
571:
572: #define AMF_NOTIMEOUT 0x0001 /* This node never times out */
573: #define AMF_ROOT 0x0002 /* This is a root node */
574: #define AMF_MKPATH 0x0004 /* Delete this node's am_path */
575:
576: #define ONE_HOUR (60 * 60) /* One hour in seconds */
577:
578: /*
579: * The following values can be tuned...
580: */
581: #define ALLOWED_MOUNT_TIME 40 /* 40s for a mount */
582: #define AM_TTL (5 * 60) /* Default cache period */
583: #define AM_TTL_W (2 * 60) /* Default unmount interval */
584: #define AM_PINGER 30 /* NFS ping interval for live systems */
585: #define AFS_TIMEO 8 /* Default afs timeout - .8s */
586: #define AFS_RETRANS ((ALLOWED_MOUNT_TIME*10+2*afs_timeo)/afs_timeo)
587: /* Default afs timeout - 1/10th seconds */
588:
589: #define RPC_XID_PORTMAP 0
590: #define RPC_XID_MOUNTD 1
591: #define RPC_XID_NFSPING 2
592: #define RPC_XID_MASK (0x0f) /* 16 id's for now */
593: #define MK_RPC_XID(type_id, uniq) ((type_id) | ((uniq) << 4))
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.