char *rfc822_getaddr(const struct rfc822a *rfc, int n)
{
return rfc822_display_addr_tobuf(rfc, n, NULL);
}
static void dodel(const char *username, const char *userhome,
FILE *c, char *ctl,
const char *extension, const char *sender, const char *receipient,
const char *defaultext, const char *quota, const char *defaultmail,
int recursion_level)
{
char *ufromline;
char *dtline;
char *rpline;
time_t t;
const char *curtime;
time(&t);
curtime=ctime(&t);
if ((ufromline=malloc(strlen(curtime)+strlen(sender)+30))==0||
(dtline=malloc(strlen(receipient)+
sizeof("Delivered-To: "))) == 0 ||
(rpline=malloc(strlen(sender) +
sizeof("Return-Path: <>"))) == 0)
{
perror("malloc");
exit(EX_TEMPFAIL);
}
if ( (!ctl || !*ctl) && recursion_level == 0)
{
const char *p= *defaultmail ? defaultmail:config_defaultdelivery();
if ((ctl=malloc(strlen(p)+1)) == 0)
{
perror("malloc");
exit(EX_TEMPFAIL);
}
strcpy(ctl, p);
}
sprintf(ufromline, "From %s %s", sender, curtime);
{
char *p;
if ((p=strchr(ufromline, '\n')) != 0)
*p=0;
}
strcat(strcpy(dtline, "Delivered-To: "), receipient);
strcat(strcat(strcpy(rpline, "Return-Path: <"), sender), ">");
while (*ctl)
{
if (*ctl == '#' || *ctl == '\n')
{
while (*ctl)
if (*ctl++ == '\n') break;
continue;
}
/*
** The fd hack is needed for BSD, whose C lib doesn't like
** mixing stdio and unistd seek calls.
*/
if (*ctl == '.' || *ctl == '/')
{
const char *filename=ctl;
int fd_hack=dup(fileno(stdin));
FILE *fp_hack;
if (fd_hack < 0 || lseek(fd_hack, 0L, SEEK_SET) < 0 ||
(fp_hack=fdopen(fd_hack, "r")) == NULL)
{
perror("dup");
exit(EX_TEMPFAIL);
}
while (*ctl)
{
if (*ctl == '/' && (ctl[1] == '\n' ||
ctl[1] == 0))
*ctl=0; /* Strip trailing / */
if (*ctl == '\n')
{
*ctl++='\0';
break;
}
++ctl;
}
if (savemessage(extension, sender, receipient,
fp_hack, filename,
ufromline,
dtline,
rpline, quota))
exit(EX_TEMPFAIL);
fclose(fp_hack);
close(fd_hack);
continue;
}
if (*ctl == '|')
{
const char *command=++ctl;
int rc;
int fd_hack=dup(fileno(stdin));
FILE *fp_hack;
if (fd_hack < 0 || lseek(fd_hack, 0L, SEEK_SET) < 0 ||
(fp_hack=fdopen(fd_hack, "r")) == NULL)
{
perror("dup");
exit(EX_TEMPFAIL);
}
ctl=skip_eol(ctl, 0);
while (*command == ' ' || *command == '\t')
++command;
rc=docommand(extension, sender, receipient, defaultext,
fp_hack, username, userhome, command,
dtline,
rpline,
ufromline,
quota, defaultmail,
recursion_level);
if (rc)
exit(rc);
fclose(fp_hack);
close(fd_hack);
continue;
}
/* Forwarding instructions, parse RFC822 addresses */
if (*ctl == '&' || *ctl == '!') ++ctl; /* Legacy */
{
const char *addresses=ctl;
struct rfc822t *tokens;
struct rfc822a *addrlist;
int n;
ctl=skip_eol(ctl, 1);
if ((tokens=rfc822t_alloc_new(addresses, NULL,
NULL)) == 0 ||
(addrlist=rfc822a_alloc(tokens)) == 0)
{
perror("malloc");
exit(EX_TEMPFAIL);
}
for (n=0; n<addrlist->naddrs; ++n)
{
char *p;
if (addrlist->addrs[n].tokens == NULL)
continue;
p=rfc822_display_addr_tobuf(addrlist, n,
NULL);
if (!p)
{
perror(addresses);
exit(EX_TEMPFAIL);
}
printf("%s\n", p);
free(p);
}
rfc822a_free(addrlist);
rfc822t_free(tokens);
fflush(stdout);
}
}
free(rpline);
free(dtline);
free(ufromline);
}
