mail.c File Reference

#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <signal.h>
#include <pwd.h>
#include <time.h>
#include <setjmp.h>
#include <string.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/wait.h>
#include <stdio.h>

Include dependency graph for mail.c:

Go to the source code of this file.

Data Structures
struct	letter
Defines
#define	D(Q)
#define	SHELL   "/bin/sh"
#define	DROPNAME   "/usr/spool/mail/%s"
#define	LOCKNAME   "/usr/spool/mail/%s.lock"
#define	LOCKWAIT   5
#define	LOCKTRIES   4
#define	MBOX   "mbox"
#define	HELPFILE   "/usr/lib/mail.help"
#define	PROMPT   "? "
#define	PATHLEN   80
#define	MAXRCPT   100
#define	LINELEN   512
#define	MAILERARGS
#define	UNREAD   1
#define	DELETED   2
#define	READ   3
Functions
	_PROTOTYPE (int main,(int argc, char **argv))
	_PROTOTYPE (int deliver,(int count, char *vec[]))
	_PROTOTYPE (FILE *makerewindable,(void))
	_PROTOTYPE (int copy,(FILE *fromfp, FILE *tofp))
	_PROTOTYPE (void readbox,(void))
	_PROTOTYPE (void onint,(int dummy))
	_PROTOTYPE (void savelet,(struct letter *let, char *savefile))
	_PROTOTYPE (void printlet,(struct letter *let, FILE *tofp))
	_PROTOTYPE (void doshell,(char *command))
	_PROTOTYPE (char *basename,(char *name))
	_PROTOTYPE (char *whoami,(void))
	_PROTOTYPE (int filesize,(char *name))
int	main (int argc, argv)
int	deliver (int count, vec)
FILE *	makerewindable ()
int	copy (FILE *fromfp, FILE *tofp)
void	readbox ()
void	printall ()
void	interact ()
void	onint (int dummy)
void	savelet (struct letter *let, char *savefile)
void	updatebox ()
void	printlet (struct letter *let, FILE *tofp)
void	doshell (char *command)
void	usage ()
char *	basename (char *name)
char *	whoami ()
void	dohelp ()
int	filesize (name)
Variables
letter *	firstlet
letter *	lastlet
int	usemailer = 1
int	printmode = 0
int	quitmode = 0
int	reversemode = 0
int	usedrop = 1
int	verbose = 0
int	needupdate = 0
int	msgstatus = 0
int	distlist = 0
char	mailbox [PATHLEN]
char	tempname [PATHLEN] = "/tmp/mailXXXXXX"
char *	subject = NULL
FILE *	boxfp = NULL
jmp_buf	printjump
unsigned	oldmask
int	optind
char *	optarg

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Define Documentation

#define D (  Q   )

Definition at line 24 of file mail.c. Referenced by adjust(), alloc_segments(), con_loadfont(), cons_write(), copy_fdsets(), cp_b2u(), cp_u2b(), deliver(), dev_ioctl(), do_brk(), do_dev_name(), do_diagnostics(), do_exec(), do_fork(), do_get_kmess(), do_initialize(), do_int86(), do_ioctl(), do_newmap(), do_rdlink(), do_rdwt(), do_read(), do_select(), do_sigreturn(), do_sigsend(), do_slink(), do_slot_name(), do_trace(), do_vcopy(), do_vdevio(), do_video(), do_vm_map(), do_write(), dp_getblock(), dp_nic2user(), dp_pio16_nic2user(), dp_pio16_user2nic(), dp_user2nic(), dsp_ioctl(), dump_core(), dump_stack(), fxp_do_conf(), fxp_init_buf(), fxp_init_hw(), fxp_readv(), fxp_writev(), get_userdata(), gettime(), handle_req(), handle_status(), in_transfer(), init_buffer(), init_params(), kbd_loadmap(), lookup(), m_ioctl(), m_transfer(), main(), map_addr(), memmap_dmp(), new_mem(), patch_mem_chunks(), pm_exit(), proctab_dmp(), pstat(), put_userdata(), r_transfer(), read_core(), read_info(), read_segmap(), read_write(), readbox(), ResetGame(), rl_init_buf(), rl_readv(), rl_writev(), rw_chunk(), scr_init(), setmap(), setup_dma(), sig_proc(), subread(), subwrite(), sys_call(), umap_local(), update(), updatebox(), vir2phys(), vm_map_default(), w_init(), and w_transfer().

#define DELETED   2

Definition at line 46 of file mail.c.

#define DROPNAME   "/usr/spool/mail/%s"

Definition at line 29 of file mail.c. Referenced by deliver(), and main().

#define HELPFILE   "/usr/lib/mail.help"

Definition at line 36 of file mail.c. Referenced by dohelp().

#define LINELEN   512

Definition at line 40 of file mail.c.

#define LOCKNAME   "/usr/spool/mail/%s.lock"

Definition at line 30 of file mail.c. Referenced by deliver(), and updatebox().

#define LOCKTRIES   4

Definition at line 32 of file mail.c. Referenced by deliver().

#define LOCKWAIT   5

Definition at line 31 of file mail.c. Referenced by deliver().

#define MAILERARGS

Definition at line 43 of file mail.c.

#define MAXRCPT   100

Definition at line 39 of file mail.c. Referenced by deliver().

#define MBOX   "mbox"

Definition at line 34 of file mail.c.

#define PATHLEN   80

Definition at line 38 of file mail.c.

#define PROMPT   "? "

Definition at line 37 of file mail.c. Referenced by interact().

#define READ   3

Definition at line 47 of file mail.c.

#define SHELL   "/bin/sh"

Definition at line 27 of file mail.c.

#define UNREAD   1

Definition at line 45 of file mail.c. Referenced by readbox().

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Function Documentation

_PROTOTYPE (  int  filesize, (char *name)  )

_PROTOTYPE (  char *  whoami, (void)  )

_PROTOTYPE (  char *  basename, (char *name)  )

_PROTOTYPE (  void  doshell, (char *command)  )

_PROTOTYPE (  void  printlet, (struct letter *let, FILE *tofp)  )

_PROTOTYPE (  void  savelet, (struct letter *let, char *savefile)  )

_PROTOTYPE (  void  onint, (int dummy)  )

_PROTOTYPE (  void  readbox, (void)  )

_PROTOTYPE (  int  copy, (FILE *fromfp, FILE *tofp)  )

_PROTOTYPE (  FILE *  makerewindable, (void)  )

_PROTOTYPE (  int  deliver, (int count, char *vec[])  )

_PROTOTYPE (  int  main, (int argc, char **argv)  )

char* basename (  char *  name  )

Definition at line 734 of file mail.c. References NULL, p, and rindex().

int copy (  FILE *  fromfp, FILE *  tofp )

Definition at line 390 of file mail.c. References c, done, EOF, ferror, fputs(), getc, p, and putc.

int deliver (  int  count, vec  )

Definition at line 164 of file mail.c. References boxfp, chown, copy, creat, ctime(), D, distlist, DROPNAME, ENOENT, errno, errs, execv, fclose(), fdopen(), fopen(), fprintf(), getpwnam(), getpwuid(), getuid, i, int(), isatty, j, L, link, LOCKNAME, LOCKTRIES, LOCKWAIT, lseek, mailbox, makerewindable(), MAXRCPT, now, NULL, PATHLEN, perror(), printf, passwd::pw_gid, passwd::pw_name, passwd::pw_uid, rewind(), S_IFMT, S_IFREG, setuid, SIG_IGN, SIGHUP, SIGINT, signal(), SIGQUIT, sleep, sprintf(), stat::st_mode, stat::st_uid, stat, stb, stderr, stdin, strcpy(), subject, time, time_t, unlink, usemailer, and verbose. Referenced by main().

void dohelp (   )

Definition at line 755 of file mail.c. References fgets(), fopen(), fp, fprintf(), fputs(), HELPFILE, NULL, and stdout. Referenced by interact().

void doshell (  char *  command  )

Definition at line 702 of file mail.c. References execl, exit(), fork, fprintf(), getenv(), getgid, getuid, NULL, oldmask, perror(), pid, setgid, setuid, SHELL, shell, stderr, umask, and wait. Referenced by interact().

int filesize (  name   )

Definition at line 767 of file mail.c. References buf, L, and stat. Referenced by DOrretr(), DOrstor(), doSIZE(), main(), and writeit().

void interact (   )

Definition at line 515 of file mail.c. References DELETED, dohelp(), doshell(), exit(), fflush(), fgets(), firstlet, fprintf(), fputs(), lastlet, linebuf, needprint, needupdate, letter::next, next, NULL, letter::prev, printf, printjump, printlet(), PROMPT, putchar, quitmode, READ, reversemode, savelet(), setjmp, SIG_IGN, SIGINT, signal(), letter::status, stderr, stdin, stdout, and strtok().

int main (  int  argc, argv  )

Definition at line 94 of file mail.c. References basename, c, D, deliver(), distlist, DROPNAME, EOF, exit(), filesize(), getopt(), getuid, interact, mailbox, mktemp(), msgstatus, needupdate, oldmask, optarg, optind, PATHLEN, printall(), printf, printmode, quitmode, readbox(), reversemode, setuid, sprintf(), strncpy(), subject, tempname, umask, updatebox(), usage, usedrop, usemailer, verbose, and whoami().

FILE* makerewindable (   )

Definition at line 346 of file mail.c. References c, done, EOF, fclose(), ferror, fopen(), fprintf(), freopen(), getc, NULL, putc, stderr, stdin, tempname, and unlink. Referenced by deliver().

void onint (  int  dummy  )

Definition at line 595 of file mail.c. References printjump.

void printall (   )

Definition at line 499 of file mail.c. References firstlet, lastlet, NULL, printf, printlet(), reversemode, and stdout. Referenced by main().

void printlet (  struct letter *  let, FILE *  tofp )

Definition at line 686 of file mail.c. References boxfp, c, EOF, fseek(), getc, NULL, and putc. Referenced by interact(), printall(), and savelet().

void readbox (   )

Definition at line 458 of file mail.c. References access, boxfp, D, ENOENT, errno, exit(), fgets(), firstlet, fopen(), fprintf(), L, lastlet, linebuf, letter::location, mailbox, malloc(), letter::next, NULL, perror(), letter::prev, printf, letter::status, stderr, strlen(), strncmp(), UNREAD, and usedrop. Referenced by main().

void savelet (  struct letter *  let, char *  savefile )

Definition at line 601 of file mail.c. References exit(), fclose(), ferror, fopen(), fork, fprintf(), getgid, getuid, NULL, perror(), pid, printlet(), setgid, setuid, stderr, and wait. Referenced by interact().

void updatebox (   )

Definition at line 631 of file mail.c. References c, D, DELETED, firstlet, fopen(), LOCKNAME, letter::next, NULL, PATHLEN, perror(), printf, sprintf(), letter::status, tempname, and whoami(). Referenced by main().

void usage (  void   )

Definition at line 728 of file mail.c. References fprintf(), and stderr.

char* whoami (   )

Definition at line 745 of file mail.c. References getpwuid(), getuid, NULL, and passwd::pw_name.

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Variable Documentation

FILE* boxfp = NULL

Definition at line 69 of file mail.c. Referenced by deliver(), printlet(), and readbox().

int distlist = 0

Definition at line 65 of file mail.c. Referenced by deliver(), and main().

struct letter* firstlet

Definition at line 55 of file mail.c. Referenced by interact(), printall(), readbox(), and updatebox().

struct letter * lastlet

Definition at line 55 of file mail.c. Referenced by interact(), printall(), and readbox().

char mailbox[PATHLEN]

Definition at line 66 of file mail.c. Referenced by deliver(), main(), and readbox().

int msgstatus = 0

Definition at line 64 of file mail.c. Referenced by main().

int needupdate = 0

Definition at line 63 of file mail.c. Referenced by interact(), and main().

unsigned oldmask

Definition at line 71 of file mail.c. Referenced by doshell(), main(), and test22a().

char* optarg

Definition at line 59 of file options.c.

int optind

Definition at line 29 of file getopt.c.

jmp_buf printjump

Definition at line 70 of file mail.c. Referenced by interact(), and onint().

int printmode = 0

Definition at line 58 of file mail.c. Referenced by main().

int quitmode = 0

Definition at line 59 of file mail.c. Referenced by interact(), and main().

int reversemode = 0

Definition at line 60 of file mail.c. Referenced by interact(), main(), and printall().

char* subject = NULL

Definition at line 68 of file mail.c. Referenced by deliver(), main(), and run_job().

char tempname[PATHLEN] = "/tmp/mailXXXXXX"

Definition at line 67 of file mail.c. Referenced by herein(), main(), makerewindable(), readhere(), and updatebox().

int usedrop = 1

Definition at line 61 of file mail.c. Referenced by main(), and readbox().

int usemailer = 1

Definition at line 57 of file mail.c. Referenced by deliver(), and main().

int verbose = 0

Definition at line 62 of file mail.c.

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