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popper.h
资源名称：qpopper2.53.tar.Z　[点击查看]
上传用户：dayuan858
上传日期：2007-01-04
资源大小：194k
文件大小：12k
源码类别：

网络编程

开发平台：

Unix_Linux

popper.h：源码内容
  1. /*
  2.  * Copyright (c) 1989 Regents of the University of California.
  3.  * All rights reserved.  The Berkeley software License Agreement
  4.  * specifies the terms and conditions for redistribution.
  5.  *
  6.  */
  8. /*
  9.  * Copyright (c) 1997 by Qualcomm Incorporated.
  10.  */
  12. /*  LINTLIBRARY */
  14. /* 
  15.  *  Header file for the POP programs
  16.  */
  17. #define BINMAIL_IS_SETGID 1
  18. #ifdef POPSCO
  19. # include <sys/syslog.h>
  20. #else
  21. # include <syslog.h>
  22. #endif
  23. #include <sys/socket.h>
  24. #include "version.h"
  26. #ifdef ISC
  27. # include <sys/types.h>
  28. # include <sys/fcntl.h>
  29. # include <net/errno.h>
  30. #endif
  32. #ifdef HAVE_SYS_PARAM_H
  33. #include <sys/param.h>
  34. # if (defined(BSD) && (BSD >= 199103))
  35. #  define HAVE_UNISTD_H
  36. #  define HAVE_VPRINTF
  37. #  define BIND43
  38. # endif
  39. #endif
  41. #ifdef BSDI
  42. #define BSD44_DBM
  43. #endif
  45. #ifdef BULLDB
  46. # undef DBM /* used by mts.c and ndbm.h */
  47. # ifdef GDBM
  48. #  include <gdbm.h>
  49. # else
  50. #  include <ndbm.h>
  51. # endif
  52. #endif
  54. #define NULLCP          ((char *) 0)
  55. #define SPACE           32
  56. #define TAB             9
  57. #define TRUE            1
  58. #define FALSE           0
  59. #define NEWLINE         'n'
  61. #define MAXUSERNAMELEN  65
  62. #define MAXDROPLEN      64
  63. #define MAXLINELEN      1024
  64. #define MAXMSGLINELEN   MAXLINELEN
  65. #define MAXCMDLEN       4
  66. #define MAXPARMCOUNT    5
  67. #define MAXPARMLEN      10
  68. #define ALLOC_MSGS  20
  70. #ifndef OSF1
  71. # define POP_FACILITY    LOG_LOCAL0
  72. #else
  73. # define POP_FACILITY    LOG_MAIL
  74. #endif
  75. #define POP_PRIORITY    LOG_NOTICE
  76. #define POP_DEBUG       LOG_DEBUG
  77. #define POP_LOGOPTS     LOG_PID
  79. #ifdef POPSCO
  80. # define L_SET  0
  81. # define L_XTND 2
  82. #endif
  84. /* ^A */
  85. #define MMDF_SEP_CHAR '01'
  87. /* For performance reasons large sites should change the pop tempdrop
  88.  * location to another directory other than the mail spool location.
  89.  * The more files referenced in a directory, the slower the access is
  90.  */
  92. /*
  93.  * The default string for HOMEDIRMAIL is "%s/.mail".  You need to change
  94.  * the value in pop_dropcopy.h in routine genpath() if you wish to modify
  95.  * the mail drop location.
  96.  */
  98. /* Define his path to default the bulletin dir.
  99.  * -DBULLDIR= "/usr/mail/bulletins"
  100.  * in the make file works well or you can define BULLDIR before the #ifdef.
  101.  */
  103. #ifndef BULLDIR
  104. #define BULLDIR NULL
  105. #endif
  107. /* Defines the minimum number of bulletins a new user
  108.    receives */
  109. #define NEWBULLCNT 1
  111. #ifndef CONTENT_LENGTH
  112. #define CONTENT_LENGTH 0
  113. #endif
  115. /* POP_TMPSIZE needs to be big enough to hold the string
  116.  * defined by POP_TMPDROP.  POP_DROP and POP_TMPDROP
  117.  * must be in the same filesystem.
  118.  */
  119. #define POP_TMPSIZE 256
  120. #define POP_OK          "+OK"
  121. #define POP_ERR         "-ERR"
  122. #define POP_SUCCESS     1
  123. #define POP_FAILURE     0
  124. #define POP_TERMINATE   '.'
  125. #define POP_TIMEOUT 120 /* timeout connection after this many secs */
  127.     /* UID's <= this value are not allowed to access email */
  128. #define BLOCK_UID 10
  130. #define DIG_SIZE 16
  132. /* Set these to the types your OS returns if they are not
  133.    already typedefed for you */
  134. #define OFF_T off_t
  135. #define PID_T pid_t
  136. #define UID_T uid_t
  137. #define GID_T gid_t
  138. #define TIME_T time_t
  139. #define SIZE_T size_t
  141. #ifdef NeXT
  142. #undef PID_T
  143. #define PID_T int
  144. #endif
  146. #ifdef CHECK_SHELL
  147. #define WILDCARD_SHELL "/POPPER/ANY/SHELL/"
  148. #endif
  150. extern int              errno;
  152. #if !(defined(BSD) && (BSD >= 199306)) && !defined(__USE_BSD)
  153. extern int              sys_nerr;
  154. extern char         *   sys_errlist[];
  155. #ifndef __linux__
  156. extern char         *   sys_siglist[];
  157. #endif
  158. #endif
  160. extern int pop_timeout;
  162. extern int hangup;
  164. #define pop_command         pop_parm[0]     /*  POP command is first token */
  165. #define pop_subcommand      pop_parm[1]     /*  POP XTND subcommand is the 
  166.                                                 second token */
  168. typedef enum {                              /*  POP processing states */
  169.     auth1,                                  /*  Authorization: waiting for 
  170.                                                 USER command */
  171.     auth2,                                  /*  Authorization: waiting for 
  172.                                                 PASS command */
  173.     trans,                                  /*  Transaction */
  174.     update,                                 /*  Update:  session ended, 
  175.                                                 process maildrop changes */
  176.     halt,                                   /*  (Halt):  stop processing 
  177.                                                 and exit */
  178.     error                                   /*  (Error): something really 
  179.                                                 bad happened */
  180. } state;
  182. typedef struct {                                /*  State information for 
  183.                                                     each POP command */
  184.     state       ValidCurrentState;              /*  The operating state of 
  185.                                                     the command */
  186.     char   *    command;                        /*  The POP command */
  187.     int         min_parms;                      /*  Minimum number of parms 
  188.                                                     for the command */
  189.     int         max_parms;                      /*  Maximum number of parms 
  190.                                                     for the command */
  191.     int         (*function) ();                 /*  The function that process 
  192.                                                     the command */
  193.     state       result[2];                      /*  The resulting state after 
  194.                                                     command processing */
  195. #define success_state   result[0]               /*  State when a command 
  196.                                                     succeeds */
  197. } state_table;
  199. typedef struct {                                /*  Table of extensions */
  200.     char   *    subcommand;                     /*  The POP XTND subcommand */
  201.     int         min_parms;                      /*  Minimum number of parms for
  202.                                                     the subcommand */
  203.     int         max_parms;                      /*  Maximum number of parms for
  204.                                                     the subcommand */
  205.     int         (*function) ();                 /*  The function that processes 
  206.                                                     the subcommand */
  207. } xtnd_table;
  209. typedef struct {                                /*  Message information */
  210.     int         number;                         /*  Message number relative to 
  211.                                                     the beginning of list */
  212.     long        length;                         /*  Length of message in 
  213.                                                     bytes */
  214.     int         lines;                          /*  Number of (null-terminated)
  215.     lines in the message */
  216.     int         body_lines; /*  Number of (null-terminated)
  217.         lines in the body */
  218.     long        offset;                         /*  Offset from beginning of 
  219.                                                     file */
  220.     int         del_flag;                       /*  Flag indicating if message 
  221.                                                     is marked for deletion */
  222.     int         retr_flag;                      /*  Flag indicating if message 
  223.                                                     was retrieved */
  224.     int orig_retr_state; /*  What was the state at the
  225.     start of this session.
  226.     Used for RSET cmd. */
  227.     char *uidl_str; /*  Cache of the UIDL str for
  228.     faster access */
  229. } MsgInfoList;
  231. typedef struct  {                               /*  POP parameter block */
  232.     int                 debug;                  /*  Debugging requested */
  233.     int                 xmitting;               /*  =1 xtnd xmit started */
  234.     int                 stats;                  /*  Stats requested */
  235.     int dirty; /*  Any mailbox changes? */
  236.     int kerberos; /*  Flag to enable kerberos
  237.     authentication */
  238.     int server_mode; /*  Default at compile time */
  239.     char            *   myname;                 /*  The name of this POP 
  240.                                                     daemon program */
  241.     char            *   myhost;                 /*  The name of our host 
  242.                                                     computer */
  243.     char            *   client;                 /*  Canonical name of client 
  244.                                                     computer */
  245.     char            *   ipaddr;                 /*  Dotted-notation format of 
  246.                                                     client IP address */
  247.     unsigned short      ipport;                 /*  Client port for privileged 
  248.                                                     operations */
  249.     char                user[MAXUSERNAMELEN];   /*  Name of the POP user */
  250.     state               CurrentState;           /*  The current POP operational                                                     state */
  251.     MsgInfoList     *   mlp;                    /*  Message information list */
  252.     int                 msg_count;              /*  Number of messages in 
  253.                                                     the maildrop */
  254.     int                 msgs_deleted;           /*  Number of messages flagged 
  255.                                                     for deletion */
  256.     int                 last_msg;               /*  Last message touched by 
  257.                                                     the user */
  258.     long                bytes_deleted;          /*  Number of maildrop bytes 
  259.                                                     flagged for deletion */
  260.     char                drop_name[MAXDROPLEN];  /*  The name of the user's 
  261.                                                     maildrop */
  262.     char                temp_drop[MAXDROPLEN];  /*  The name of the user's 
  263.                                                     temporary maildrop */
  264.     long                drop_size;              /*  Size of the maildrop in
  265.                                                     bytes */
  266.     long spool_end; /*  Offset of the end of the
  267.     mailspool */
  268.     FILE            *   drop;                   /*  (Temporary) mail drop */
  269.     FILE            *   input;                  /*  Input TCP/IP communication 
  270.                                                     stream */
  271.     FILE            *   output;                 /*  Output TCP/IP communication                                                     stream */
  272.     FILE            *   trace;                  /*  Debugging trace file */
  273.     FILE            *   hold;                   /*  In SERVER_MODE, this value
  274.     holds the drop FILE */
  275.     char            *   pop_parm[MAXPARMCOUNT]; /*  Parse POP parameter list */
  276.     int                 parm_count;             /*  Number of parameters in 
  277.                                                     parsed list */
  278.     char            *   bulldir;                /*  Bulletin directory */
  279. #ifdef BULLDB
  280. #ifdef GDBM
  281. GDBM_FILE  bull_db;
  282. #else
  283.     DBM     * bull_db; /*  Central Bulletin Database */
  284. #endif
  285. #endif
  286.     char     * mmdf_separator; /*  string between messages */
  287.     char md5str[BUFSIZ]; /*  String used with the shared
  288.     secret to create the md5
  289.     digest */
  290. } POP;
  292. #ifdef KERBEROS
  294. #ifndef KERBEROS_SERVICE
  295. # define KERBEROS_SERVICE "rcmd"
  296. #endif
  298. #ifdef SOLARIS2
  299. # include <kerberos/krb.h>
  300. #else
  301. # ifdef BSDI
  302. #  include <kerberosIV/des.h>
  303. #  include <kerberosIV/krb.h>
  304. # else
  305. #  include <krb.h>
  306. # endif
  307. #endif
  308. extern AUTH_DAT kdata;
  309. #endif /* KERBEROS */
  311. #if defined(AUTHFILE)
  312. extern int  checkauthfile();
  313. #endif
  314. #if defined(NONAUTHFILE)
  315. extern int  checknonauthfile();
  316. #endif
  318. extern int  pop_dele();
  319. extern int  pop_last();
  320. extern int  pop_list();
  321. extern int  pop_pass();
  322. extern int  pop_rpop();
  323. extern int  pop_apop();
  324. extern int  pop_auth();
  325. extern int  pop_quit();
  326. extern int  pop_rset();
  327. extern int  pop_send();
  328. extern int  pop_stat();
  329. extern int  pop_updt();
  330. extern int  pop_user();
  331. extern int  pop_xtnd();
  332. extern int  pop_xmit();
  333. extern int  pop_xmit_recv();
  334. extern int  pop_xmit_exec();
  335. extern int  pop_xlst();
  336. extern int  pop_uidl();
  337. extern int  pop_euidl();
  338. extern int  isfromline();
  339. extern int  genpath();
  341. extern char *pwerrmsg;
  343. #define pop_auth_fail pop_msg
  344. #ifndef MAXHOSTNAMELEN
  345. # define MAXHOSTNAMELEN 256
  346. #endif
  347. /*
  348. extern int  pop_auth_fail();
  349. */