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1.1 root 1: #ident "@(#)def.h 1.5 'attmail mail(1) command'"
2: #ident "@(#)mailx:hdr/def.h 1.5.2.1"
3: /* Copyright (c) 1984 AT&T */
4: /* All Rights Reserved */
5:
6: /* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
7: /* The copyright notice above does not evidence any */
8: /* actual or intended publication of such source code. */
9:
10: #ident "@(#)mailx:hdr/def.h 1.5"
11:
12: #include <sys/types.h>
13: #include <signal.h>
14: #include <stdio.h>
15: #include <fcntl.h>
16: #include <string.h>
17: #include <setjmp.h>
18: #include <time.h>
19: #include <sys/stat.h>
20: #include <ctype.h>
21: #include <errno.h>
22: #ifndef preSVr4
23: # include <maillock.h> /* adb */
24: # include <unistd.h>
25: # include <stdlib.h>
26: # include <ulimit.h>
27: #endif
28: #include "local.h"
29: #include "uparm.h"
30:
31: /*
32: * mailx -- a modified version of a University of California at Berkeley
33: * mail program
34: */
35:
36: #ifdef preSVr4 /* support for void* */
37: # define VOID char
38: #else
39: # define VOID void
40: #endif
41:
42: #define SENDESC '~' /* Default escape for sending */
43: #define NMLSIZE 1024 /* max names in a message list */
44: #define PATHSIZE 1024 /* Size of pathnames throughout */
45: #define HSHSIZE 19 /* Hash size for aliases and vars */
46: #define LINESIZE 5120 /* max readable line width */
47: #define STRINGSIZE ((unsigned) 128)/* Dynamic allocation units */
48: #define MAXARGC 1024 /* Maximum list of raw strings */
49: #define NOSTR ((char *) 0) /* Nill string pointer */
50: #define NOSTRPTR ((char **) 0) /* Nill pointer to string pointer */
51: #define NOINTPTR ((int *) 0) /* Nill pointer */
52: #define MAXEXP 25 /* Maximum expansion of aliases */
53:
54: #define equal(a, b) (strcmp(a,b)==0)/* A nice function to string compare */
55: #define fopen(s,t) my_fopen(s,t) /* Keep a list of all opened files */
56: #define fclose(s) my_fclose(s) /* delete closed file from the list*/
57: #define plural(n) ((n) == 1 ? "" : "s")
58:
59: struct message {
60: long m_block; /* block number of this message */
61: long m_offset; /* offset in block of message */
62: long m_size; /* Bytes in the message */
63: long m_lines; /* Lines in the message */
64: long m_clen; /* Content-Length of the mesg */
65: short m_flag; /* flags, see below */
66: char m_text; /* TRUE if the contents is text */
67: /* False otherwise */
68: };
69:
70: typedef struct fplst {
71: FILE *fp;
72: struct fplst *next;
73: } NODE;
74:
75: /*
76: * flag bits.
77: */
78:
79: #define MUSED (1<<0) /* entry is used, but this bit isn't */
80: #define MDELETED (1<<1) /* entry has been deleted */
81: #define MSAVED (1<<2) /* entry has been saved */
82: #define MTOUCH (1<<3) /* entry has been noticed */
83: #define MPRESERVE (1<<4) /* keep entry in sys mailbox */
84: #define MMARK (1<<5) /* message is marked! */
85: #define MODIFY (1<<6) /* message has been modified */
86: #define MNEW (1<<7) /* message has never been seen */
87: #define MREAD (1<<8) /* message has been read sometime. */
88: #define MSTATUS (1<<9) /* message status has changed */
89: #define MBOX (1<<10) /* Send this to mbox, regardless */
90:
91: #define H_AFWDCNT 1 /* "Auto-Forward-Count:" */
92: #define H_AFWDFROM 2 /* "Auto-Forwarded-From:" */
93: #define H_CLEN 3 /* "Content-Length:" */
94: #define H_CTYPE 4 /* "Content-Type:" */
95: #define H_DATE 5 /* "Date:" */
96: #define H_DEFOPTS 6 /* "Default-Options:" */
97: #define H_EOH 7 /* "End-of-Header:" */
98: #define H_FROM 8 /* "From " */
99: #define H_FROM1 9 /* ">From " */
100: #define H_FROM2 10 /* "From: " */
101: #define H_MTSID 11 /* "MTS-Message-ID:" */
102: #define H_MTYPE 12 /* "Message-Type:" */
103: #define H_MVERS 13 /* "Message-Version:" */
104: #define H_MSVC 14 /* "Message-Service:" */
105: #define H_RECEIVED 15 /* "Received:" */
106: #define H_RVERS 16 /* "Report-Version:" */
107: #define H_STATUS 17 /* "Status:" */
108: #define H_SUBJ 18 /* "Subject:" */
109: #define H_TO 19 /* "To:" */
110: #define H_TCOPY 20 /* ">To:" */
111: #define H_TROPTS 21 /* "Transport-Options:" */
112: #define H_UAID 22 /* "UA-Content-ID:" */
113: #define H_DAFWDFROM 23 /* Hold A-F-F when sending Del. Notf. */
114: #define H_DTCOPY 24 /* Hold ">To:" when sending Del. Notf.*/
115: #define H_DRECEIVED 25 /* Hold Rcvd: when sending Del. Notf.*/
116: #define H_CONT 26 /* Continuation of previous line */
117: #define H_NAMEVALUE 27 /* unrecognized "name: value" hdr line*/
118:
119: /*
120: * Format of the command description table.
121: * The actual table is declared and initialized
122: * in lex.c
123: */
124:
125: struct cmd {
126: char *c_name; /* Name of command */
127: int (*c_func)(); /* Implementor of the command */
128: short c_argtype; /* Type of arglist (see below) */
129: short c_msgflag; /* Required flags of messages */
130: short c_msgmask; /* Relevant flags of messages */
131: };
132:
133: /* can't initialize unions */
134:
135: #define c_minargs c_msgflag /* Minimum argcount for RAWLIST */
136: #define c_maxargs c_msgmask /* Max argcount for RAWLIST */
137:
138: /*
139: * Argument types.
140: */
141:
142: #define MSGLIST 0 /* Message list type */
143: #define STRLIST 1 /* A pure string */
144: #define RAWLIST 2 /* Shell string list */
145: #define NOLIST 3 /* Just plain 0 */
146: #define NDMLIST 4 /* Message list, no defaults */
147:
148: #define P 040 /* Autoprint dot after command */
149: #define I 0100 /* Interactive command bit */
150: #define M 0200 /* Legal from send mode bit */
151: #define W 0400 /* Illegal when read only bit */
152: #define F 01000 /* Is a conditional command */
153: #define T 02000 /* Is a transparent command */
154: #define R 04000 /* Cannot be called from collect */
155:
156: /*
157: * Oft-used mask values
158: */
159:
160: #define MMNORM (MDELETED|MSAVED)/* Look at both save and delete bits */
161: #define MMNDEL MDELETED /* Look only at deleted bit */
162:
163: /*
164: * Structure used to return a break down of a head
165: * line
166: */
167:
168: struct headline {
169: char *l_from; /* The name of the sender */
170: char *l_tty; /* His tty string (if any) */
171: char *l_date; /* The entire date string */
172: };
173:
174: #define GTO 1 /* Grab To: line */
175: #define GSUBJECT 2 /* Likewise, Subject: line */
176: #define GCC 4 /* And the Cc: line */
177: #define GBCC 8 /* And also the Bcc: line */
178: #define GDEFOPT 16 /* And the Default-Options: lines */
179: #define GNL 32 /* Print blank line after */
180: #define GOTHER 64 /* Other header lines */
181: #define GMASK (GTO|GSUBJECT|GCC|GBCC|GDEFOPT|GNL|GOTHER)
182: /* Mask of all header lines */
183: #define GDEL 128 /* Entity removed from list */
184:
185: /*
186: * Structure used to pass about the current
187: * state of the user-typed message header.
188: */
189:
190: struct header {
191: char *h_to; /* Dynamic "To:" string */
192: char *h_subject; /* Subject string */
193: char *h_cc; /* Carbon copies string */
194: char *h_bcc; /* Blind carbon copies */
195: char *h_defopt; /* Default options */
196: char **h_others; /* Other header lines */
197: int h_seq; /* Sequence for optimization */
198: };
199:
200: /*
201: * Structure of namelist nodes used in processing
202: * the recipients of mail and aliases and all that
203: * kind of stuff.
204: */
205:
206: struct name {
207: struct name *n_flink; /* Forward link in list. */
208: struct name *n_blink; /* Backward list link */
209: short n_type; /* From which list it came */
210: char *n_name; /* This fella's name */
211: char *n_full; /* Full name */
212: };
213:
214: /*
215: * Structure of a variable node. All variables are
216: * kept on a singly-linked list of these, rooted by
217: * "variables"
218: */
219:
220: struct var {
221: struct var *v_link; /* Forward link to next variable */
222: char *v_name; /* The variable's name */
223: char *v_value; /* And it's current value */
224: };
225:
226: struct mgroup {
227: struct mgroup *ge_link; /* Next person in this group */
228: char *ge_name; /* This person's user name */
229: };
230:
231: struct grouphead {
232: struct grouphead *g_link; /* Next grouphead in list */
233: char *g_name; /* Name of this group */
234: struct mgroup *g_list; /* Users in group. */
235: };
236:
237: #define NIL ((struct name *) 0) /* The nil pointer for namelists */
238: #define NONE ((struct cmd *) 0) /* The nil pointer to command tab */
239: #define NOVAR ((struct var *) 0) /* The nil pointer to variables */
240: #define NOGRP ((struct grouphead *) 0)/* The nil grouphead pointer */
241: #define NOGE ((struct mgroup *) 0) /* The nil group pointer */
242: #define NOFP ((struct fplst *) 0) /* The nil file pointer */
243:
244: #define TRUE 1
245: #define FALSE 0
246:
247: #define LSIZE BUFSIZ /* maximum size of a line */
248: #define DEADPERM 0600 /* permissions of dead.letter */
249: #define TEMPPERM 0600 /* permissions of temp files */
250: #define MBOXPERM 0600 /* permissions of ~/mbox */
251:
252: #ifndef MFMODE
253: # define MFMODE 0660 /* create mode for `/var/mail' files */
254: #endif
255:
256: /*
257: * Structure of the hash table of ignored header fields
258: */
259: struct ignore {
260: struct ignore *i_link; /* Next ignored field in bucket */
261: char *i_field; /* This ignored field */
262: };
263:
264: /* Default_display indicates whether to display this header line to the TTY */
265: /* when in default mode. Can be overridden via 'P' command at ? prompt */
266: struct hdr {
267: char *tag;
268: int default_display;
269: };
270:
271: #ifdef preSVr4
272: struct utimbuf {
273: time_t actime;
274: time_t modtime;
275: };
276: #else
277: # include <utime.h>
278: #endif
279:
280: /*
281: * Token values returned by the scanner used for argument lists.
282: * Also, sizes of scanner-related things.
283: */
284:
285: #define TEOL 0 /* End of the command line */
286: #define TNUMBER 1 /* A message number */
287: #define TDASH 2 /* A simple dash */
288: #define TSTRING 3 /* A string (possibly containing -) */
289: #define TDOT 4 /* A "." */
290: #define TUP 5 /* An "^" */
291: #define TDOLLAR 6 /* A "$" */
292: #define TSTAR 7 /* A "*" */
293: #define TOPEN 8 /* An '(' */
294: #define TCLOSE 9 /* A ')' */
295: #define TPLUS 10 /* A '+' */
296: #define TERROR 11 /* abandon ship adb */
297:
298: #define REGDEP 2 /* Maximum regret depth. */
299: #define STRINGLEN 64 /* Maximum length of string token */
300:
301: /*
302: * Constants for conditional commands. These describe whether
303: * we should be executing stuff or not.
304: */
305:
306: #define CANY 0 /* Execute in send or receive mode */
307: #define CRCV 1 /* Execute in receive mode only */
308: #define CSEND 2 /* Execute in send mode only */
309:
310: /*
311: * The pointers for the string allocation routines,
312: * there are NSPACE independent areas.
313: * The first holds STRINGSIZE bytes, the next
314: * twice as much, and so on.
315: */
316:
317: #define NSPACE 25 /* Total number of string spaces */
318: struct strings {
319: char *s_topFree; /* Beginning of this area */
320: char *s_nextFree; /* Next alloctable place here */
321: unsigned s_nleft; /* Number of bytes left here */
322: };
323:
324: /* The following typedefs must be used in SVR4 */
325: #ifdef preSVr4
326: typedef int gid_t;
327: typedef int uid_t;
328: typedef int pid_t;
329: typedef int mode_t;
330: #endif
331:
332: /*
333: * Forward declarations of routine types to keep lint and cc happy.
334: */
335:
336: extern int Copy();
337: extern FILE *Fdopen();
338: extern int Followup();
339: extern char *Getf();
340: extern int Respond();
341: extern int Save();
342: extern int Sendm();
343: extern int Type();
344: extern void Verhogen();
345: extern char *addone();
346: extern char *addto();
347: extern void alter();
348: extern int alternates();
349: extern void announce();
350: extern int any();
351: extern int anyof();
352: extern int argcount();
353: extern void assign();
354: extern int blankline();
355: extern int blockof();
356: extern struct name *cat();
357: extern void clrbuf();
358: extern FILE *collect();
359: extern void commands();
360: extern char *copy();
361: extern int copycmd();
362: extern int deassign();
363: extern int delete();
364: extern struct name *delname();
365: extern int deltype();
366: extern char *detract();
367: extern int docomma();
368: extern int dopipe();
369: extern int dosh();
370: extern int echo();
371: extern int editor();
372: extern int edstop();
373: extern struct name *elide();
374: extern int elsecmd();
375: extern int endifcmd();
376: extern int execute();
377: extern char *expand();
378: extern struct name *extract();
379: extern int file();
380: extern struct grouphead *findgroup();
381: extern void findmail();
382: extern int first();
383: extern void flush();
384: extern int folders();
385: extern int followup();
386: extern int from();
387: extern off_t fsize();
388: extern int getfold();
389: extern int gethfield();
390: extern int getline();
391: extern int getmsglist();
392: extern int getname();
393: extern int getrawlist();
394: extern void getrecf();
395: extern uid_t getuserid();
396: extern int grabh();
397: extern int group();
398: extern void hangup();
399: extern int hash();
400: extern char *hcontents();
401: extern int headerp();
402: extern int headers();
403: extern int help();
404: extern char *hfield();
405: extern void holdsigs();
406: extern int icequal();
407: extern int ifcmd();
408: extern int igfield();
409: extern void inithost();
410: extern int isdir();
411: extern int isheader();
412: extern int ishfield();
413: extern int ishost();
414: extern int isign();
415: extern int istext();
416: extern void istrcpy();
417: extern void lcwrite();
418: extern int linecount();
419: extern void load();
420: extern int lock();
421: extern void lockmail();
422: extern int mail();
423: extern void mail1();
424: extern char *maildomain();
425: extern void mapf();
426: extern int mboxit();
427: extern void mechk();
428: extern int messize();
429: extern void minit();
430: extern int my_fclose();
431: extern FILE *my_fopen();
432: extern int name();
433: extern char *nameof();
434: extern char *netmap();
435: extern int newfileinfo();
436: extern int next();
437: extern int npclose();
438: extern FILE *npopen();
439: extern int null();
440: extern int offsetofaddr();
441: extern int outof();
442: extern struct name *outpre();
443: extern int panic();
444: extern void parse();
445: extern int pcmdlist();
446: extern int pdot();
447: extern int preserve();
448: extern void printgroup();
449: extern void printhead();
450: extern int puthead();
451: extern int putline();
452: extern int pversion();
453: extern void quit();
454: extern int readline();
455: extern void receipt();
456: extern void relsesigs();
457: extern int removefile();
458: extern int respond();
459: extern int rexit();
460: extern VOID *salloc();
461: extern VOID *srealloc();
462: extern int samebody();
463: extern int save();
464: extern void savedead();
465: extern char *savestr();
466: extern int schdir();
467: extern int scroll();
468: extern long send();
469: extern int sendm();
470: extern int set();
471: extern int setfile();
472: extern FILE *setinput();
473: extern void setptr();
474: extern int shell();
475: extern void sigchild();
476: extern void (*sigset())();
477: extern char *skin();
478: extern char *snarf();
479: extern int source();
480: extern char *splice();
481: extern void sreset();
482: extern void stop();
483: extern int stouch();
484: extern void stradd();
485: extern int substr();
486: extern int swrite();
487: extern struct name *tailof();
488: extern void tinit();
489: extern int top();
490: extern void touch();
491: extern struct name *translate();
492: extern int type();
493: extern int undelete();
494: extern int unigfield();
495: extern void unlockmail();
496: extern char **unpack();
497: extern int unset();
498: extern int unstack();
499: extern char *unuucp();
500: extern struct name *usermap();
501: extern int username();
502: extern char *value();
503: extern char *vcopy();
504: extern int visual();
505: extern char *yankword();
506:
507: /*
508: * Standard functions from the C library.
509: * These are all defined in <stdlib.h> in SVr4.
510: */
511: #ifdef preSVr4
512: extern long atol();
513: extern char *getcwd();
514: extern char *calloc();
515: extern char *getenv();
516: extern void exit();
517: extern void free();
518: extern char *malloc();
519: extern time_t time();
520: extern long ulimit();
521: extern int utime();
522: #endif
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