BOOL KtDispatchMessage(struct __KTHREAD_MSG* pMsg, struct __KTHREAD_MSG_HANDLER msghdr)
{
if((NULL == pMsg) || (NULL == msghdr))
return FALSE;
return msghdr(pMsg->wCommand,pMsg->dwParam_01,pMsg->dwParam_01);
}
std::size_t SocketUtils::sock_fd_write(int sock, void *buf, std::size_t buflen, int fd) {
//Declaration
auto msg = msghdr();
auto iov = iovec();
union {
cmsghdr cmsgheader;
char control[CMSG_SPACE(sizeof(int))];
} cmsgu;
struct cmsghdr *cmsg;
//Definition
iov.iov_base = buf;
iov.iov_len = buflen;
msg.msg_name = nullptr;
msg.msg_namelen = 0;
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
//Passing file descriptor
if (fd != -1) {
msg.msg_control = cmsgu.control;
msg.msg_controllen = sizeof(cmsgu.control);
cmsg = CMSG_FIRSTHDR(&msg);
cmsg->cmsg_len = CMSG_LEN(sizeof(int));
cmsg->cmsg_level = SOL_SOCKET;
cmsg->cmsg_type = SCM_RIGHTS;
printf("passing fd %d\n", fd);
*((int *) CMSG_DATA(cmsg)) = fd;
}
//Not passing file descriptor
else {
msg.msg_control = nullptr;
msg.msg_controllen = 0;
printf("not passing fd\n");
}
//Sending data
auto size = sendmsg(sock, &msg, 0);
if (size < 0) throw syscall_error("sock_fd_write: sendmsg");
return static_cast<size_t>(size);
}
std::size_t SocketUtils::sock_fd_read(int sock, void *buf, std::size_t bufsize, int *fd) {
//File descriptor received
if (fd) {
//Declaration
auto msg = msghdr();
auto iov = iovec();
union {
cmsghdr cmsgheader;
char control[CMSG_SPACE(sizeof(int))];
} cmsgu;
struct cmsghdr *cmsg;
//Definition
iov.iov_base = buf;
iov.iov_len = bufsize;
msg.msg_name = nullptr;
msg.msg_namelen = 0;
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
msg.msg_control = cmsgu.control;
msg.msg_controllen = sizeof(cmsgu.control);
//receiving data
auto size = recvmsg(sock, &msg, 0);
if (size < 0) throw syscall_error("sock_fd_read: recvmsg");
//Getting file descriptor
cmsg = CMSG_FIRSTHDR(&msg);
if (cmsg && cmsg->cmsg_len == CMSG_LEN(sizeof(int))) {
if (cmsg->cmsg_level != SOL_SOCKET) throw syscall_error("Invalid cmsg level");
if (cmsg->cmsg_type != SCM_RIGHTS) throw syscall_error("Invalid cmsg rights");
*fd = *((int *) CMSG_DATA(cmsg));
printf("recieved fd %d\n", *fd);
} else
*fd = -1;
return static_cast<size_t>(size);
}
//File descriptor is not received
auto size = read(sock, buf, bufsize);
if (size < 0) throw syscall_error("sock_fd_read: read");
return static_cast<size_t>(size);
}
bool do_work() {
int bytes = 0;
for (; ; ) {
msghdr msg = msghdr();
iovec vecs[MAX_IOVEC_NUM];
int count = 0;
for (cbuffer* item = buf_->get_cur(); item; item = item->get_next(), count++) {
vecs[count].iov_base = item->get_data() + item->get_consumed();
vecs[count].iov_len = item->get_len() - item->get_consumed();
//std::cout << "[" << count << "]: " << vecs[count].iov_base << ", " << vecs[count].iov_len << std::endl;
}
msg.msg_iov = vecs;
msg.msg_iovlen = count;
if (addr_len_ > 0) {
msg.msg_name = const_cast<sockaddr*>(&addr_);
msg.msg_namelen = static_cast<int>(addr_len_);
}
bytes = ::sendmsg(sock_, &msg, flag_);
// 被中断的系统调用
if (bytes < 0 && EINTR == errno) {
continue ;
} else {
break ;
}
}
if (bytes <= 0) {
bytes_trans_ = 0;
ec_ = errno;
} else {
buf_->add_bytes(bytes);
bytes_trans_ = bytes;
ec_ = 0;
}
// 需要重新执行
if (EAGAIN == ec_) {
return false;
} else {
return true;
}
}
void sbbs_t::readmail(uint usernumber, int which)
{
char str[256],str2[256],str3[256],done=0,domsg=1
,*p,*tp,*sp,ch;
char tmp[512];
int i,j;
int error;
int mismatches=0,act;
long length,l,lm_mode;
ulong last;
bool replied;
file_t fd;
mail_t *mail;
smbmsg_t msg;
if(which==MAIL_SENT && useron.rest&FLAG('K')) {
bputs(text[R_ReadSentMail]);
return;
}
msg.total_hfields=0; /* init to NULL, cause not allocated yet */
fd.dir=cfg.total_dirs+1; /* temp dir for file attachments */
if((i=smb_stack(&smb,SMB_STACK_PUSH))!=0) {
errormsg(WHERE,ERR_OPEN,"MAIL",i);
return; }
sprintf(smb.file,"%smail",cfg.data_dir);
smb.retry_time=cfg.smb_retry_time;
smb.subnum=INVALID_SUB;
if((i=smb_open(&smb))!=0) {
smb_stack(&smb,SMB_STACK_POP);
errormsg(WHERE,ERR_OPEN,smb.file,i,smb.last_error);
return; }
if(cfg.sys_misc&SM_SYSVDELM && (SYSOP || cfg.sys_misc&SM_USRVDELM))
lm_mode=LM_INCDEL;
else
lm_mode=0;
mail=loadmail(&smb,&smb.msgs,usernumber,which,lm_mode);
if(!smb.msgs) {
if(which==MAIL_SENT)
bputs(text[NoMailSent]);
else if(which==MAIL_ALL)
bputs(text[NoMailOnSystem]);
else
bputs(text[NoMailWaiting]);
smb_close(&smb);
smb_stack(&smb,SMB_STACK_POP);
return; }
last=smb.status.last_msg;
if(which==MAIL_SENT)
act=NODE_RSML;
else if(which==MAIL_ALL)
act=NODE_SYSP;
else
act=NODE_RMAL;
action=act;
if(smb.msgs>1 && which!=MAIL_ALL) {
if(which==MAIL_SENT)
bputs(text[MailSentLstHdr]);
else
bputs(text[MailWaitingLstHdr]);
for(smb.curmsg=0;smb.curmsg<smb.msgs && !msgabort();smb.curmsg++) {
if(msg.total_hfields)
smb_freemsgmem(&msg);
msg.total_hfields=0;
msg.idx.offset=mail[smb.curmsg].offset;
if(!loadmsg(&msg,mail[smb.curmsg].number))
continue;
smb_unlockmsghdr(&smb,&msg);
bprintf(text[MailWaitingLstFmt],smb.curmsg+1
,which==MAIL_SENT ? msg.to
: (msg.hdr.attr&MSG_ANONYMOUS) && !SYSOP ? text[Anonymous]
: msg.from
,msg.hdr.attr&MSG_DELETE ? '-' : msg.hdr.attr&MSG_REPLIED ? 'R'
: msg.hdr.attr&MSG_READ ? ' '
: msg.from_net.type || msg.to_net.type ? 'N':'*'
,msg.subj);
smb_freemsgmem(&msg);
msg.total_hfields=0; }
ASYNC;
if(!(sys_status&SS_ABORT)) {
bprintf(text[StartWithN],1L);
if((long)(smb.curmsg=getnum(smb.msgs))>0)
smb.curmsg--;
else if((long)smb.curmsg==-1) {
free(mail);
smb_close(&smb);
smb_stack(&smb,SMB_STACK_POP);
return; } }
sys_status&=~SS_ABORT; }
else {
smb.curmsg=0;
if(which==MAIL_ALL)
domsg=0; }
if(which==MAIL_SENT) {
sprintf(str,"%s read sent mail",useron.alias);
logline("E",str);
} else if(which==MAIL_ALL) {
sprintf(str,"%s read all mail",useron.alias);
logline("S+",str);
} else {
sprintf(str,"%s read mail",useron.alias);
logline("E",str);
}
if(useron.misc&RIP) {
strcpy(str,which==MAIL_YOUR ? "mailread" : which==MAIL_ALL ?
"allmail" : "sentmail");
menu(str); }
while(online && !done) {
action=act;
if(msg.total_hfields)
smb_freemsgmem(&msg);
msg.total_hfields=0;
msg.idx.offset=mail[smb.curmsg].offset;
msg.idx.number=mail[smb.curmsg].number;
msg.idx.to=mail[smb.curmsg].to;
msg.idx.from=mail[smb.curmsg].from;
msg.idx.subj=mail[smb.curmsg].subj;
if((i=smb_locksmbhdr(&smb))!=0) {
errormsg(WHERE,ERR_LOCK,smb.file,i);
break; }
if((i=smb_getstatus(&smb))!=0) {
smb_unlocksmbhdr(&smb);
errormsg(WHERE,ERR_READ,smb.file,i);
break; }
smb_unlocksmbhdr(&smb);
if(smb.status.last_msg!=last) { /* New messages */
last=smb.status.last_msg;
free(mail);
mail=loadmail(&smb,&smb.msgs,usernumber,which,lm_mode); /* So re-load */
if(!smb.msgs)
break;
for(smb.curmsg=0;smb.curmsg<smb.msgs;smb.curmsg++)
if(mail[smb.curmsg].number==msg.idx.number)
break;
if(smb.curmsg>=smb.msgs)
smb.curmsg=(smb.msgs-1);
continue; }
if(!loadmsg(&msg,mail[smb.curmsg].number)) { /* Message header gone */
if(mismatches>5) { /* We can't do this too many times in a row */
errormsg(WHERE,ERR_CHK,"message number",mail[smb.curmsg].number);
break; }
free(mail);
mail=loadmail(&smb,&smb.msgs,usernumber,which,lm_mode);
if(!smb.msgs)
break;
if(smb.curmsg>(smb.msgs-1))
smb.curmsg=(smb.msgs-1);
mismatches++;
continue; }
smb_unlockmsghdr(&smb,&msg);
msg.idx.attr=msg.hdr.attr;
mismatches=0;
if(domsg && !(sys_status&SS_ABORT)) {
show_msg(&msg
,msg.from_ext && msg.idx.from==1 && !msg.from_net.type
? 0:P_NOATCODES);
if(msg.hdr.auxattr&MSG_FILEATTACH) { /* Attached file */
smb_getmsgidx(&smb,&msg);
strcpy(str,msg.subj); /* filenames in title */
// strupr(str);
tp=str;
while(online) {
p=strchr(tp,' ');
if(p) *p=0;
sp=strrchr(tp,'/'); /* sp is slash pointer */
if(!sp) sp=strrchr(tp,'\\');
if(sp) tp=sp+1;
padfname(tp,fd.name);
sprintf(str2,"%sfile/%04u.in/%s" /* str2 is path/fname */
,cfg.data_dir,msg.idx.to,tp);
length=flength(str2);
if(length<1)
bputs(text[FileNotFound]);
else if(!(useron.exempt&FLAG('T')) && cur_cps && !SYSOP
&& length/(long)cur_cps>(time_t)timeleft)
bputs(text[NotEnoughTimeToDl]);
else {
sprintf(str3,text[DownloadAttachedFileQ]
,tp,ultoac(length,tmp));
if(length>0L && yesno(str3)) {
#if 0 /* no such thing as local logon */
if(online==ON_LOCAL) {
bputs(text[EnterPath]);
if(getstr(str3,60,K_LINE)) {
backslashcolon(str3);
sprintf(tmp,"%s%s",str3,tp);
if(!mv(str2,tmp,which!=MAIL_YOUR)) {
logon_dlb+=length;
logon_dls++;
useron.dls=(ushort)adjustuserrec(&cfg,useron.number
,U_DLS,5,1);
useron.dlb=adjustuserrec(&cfg,useron.number
,U_DLB,10,length);
bprintf(text[FileNBytesSent]
,fd.name,ultoac(length,tmp)); } } }
else
#endif
{ /* Remote User */
xfer_prot_menu(XFER_DOWNLOAD);
mnemonics(text[ProtocolOrQuit]);
strcpy(str3,"Q");
for(i=0;i<cfg.total_prots;i++)
if(cfg.prot[i]->dlcmd[0]
&& chk_ar(cfg.prot[i]->ar,&useron)) {
sprintf(tmp,"%c",cfg.prot[i]->mnemonic);
strcat(str3,tmp); }
ch=(char)getkeys(str3,0);
for(i=0;i<cfg.total_prots;i++)
if(cfg.prot[i]->dlcmd[0] && ch==cfg.prot[i]->mnemonic
&& chk_ar(cfg.prot[i]->ar,&useron))
break;
if(i<cfg.total_prots) {
error=protocol(cfg.prot[i],XFER_DOWNLOAD,str2,nulstr,false);
if(checkprotresult(cfg.prot[i],error,&fd)) {
if(which==MAIL_YOUR)
remove(str2);
logon_dlb+=length; /* Update stats */
logon_dls++;
useron.dls=(ushort)adjustuserrec(&cfg,useron.number
,U_DLS,5,1);
useron.dlb=adjustuserrec(&cfg,useron.number
,U_DLB,10,length);
bprintf(text[FileNBytesSent]
,fd.name,ultoac(length,tmp));
sprintf(str3
,"%s downloaded attached file: %s"
,useron.alias
,fd.name);
logline("D-",str3);
}
autohangup();
}
}
}
}
if(!p)
break;
tp=p+1;
while(*tp==' ') tp++;
}
sprintf(str,"%sfile/%04u.in",cfg.data_dir,usernumber);
rmdir(str); }
if(which==MAIL_YOUR && !(msg.hdr.attr&MSG_READ)) {
mail[smb.curmsg].attr|=MSG_READ;
if(thisnode.status==NODE_INUSE)
telluser(&msg);
if(msg.total_hfields)
smb_freemsgmem(&msg);
msg.total_hfields=0;
msg.idx.offset=0; /* Search by number */
if(smb_locksmbhdr(&smb)==SMB_SUCCESS) { /* Lock the entire base */
if(loadmsg(&msg,msg.idx.number)) {
msg.hdr.attr|=MSG_READ;
msg.idx.attr=msg.hdr.attr;
if((i=smb_putmsg(&smb,&msg))!=0)
errormsg(WHERE,ERR_WRITE,smb.file,i);
smb_unlockmsghdr(&smb,&msg); }
smb_unlocksmbhdr(&smb); }
if(!msg.total_hfields) { /* unsuccessful reload */
domsg=0;
continue; } }
}
else domsg=1;
if(useron.misc&WIP) {
strcpy(str,which==MAIL_YOUR ? "mailread" : which==MAIL_ALL ?
"allmail" : "sentmail");
menu(str); }
ASYNC;
if(which==MAIL_SENT)
bprintf(text[ReadingSentMail],smb.curmsg+1,smb.msgs);
else if(which==MAIL_ALL)
bprintf(text[ReadingAllMail],smb.curmsg+1,smb.msgs);
else
bprintf(text[ReadingMail],smb.curmsg+1,smb.msgs);
sprintf(str,"ADFLNQRT?<>[]{}-+");
if(SYSOP)
strcat(str,"CUSPH");
if(which!=MAIL_YOUR)
strcat(str,"E");
l=getkeys(str,smb.msgs);
if(l&0x80000000L) {
if(l==-1) /* ctrl-c */
break;
smb.curmsg=(l&~0x80000000L)-1;
continue; }
switch(l) {
case 'A': /* Auto-reply to last piece */
case 'R':
if(l==(cfg.sys_misc&SM_RA_EMU ? 'A' : 'R')) /* re-read last message */
break;
if(which==MAIL_SENT)
break;
if((msg.hdr.attr&MSG_ANONYMOUS) && !SYSOP) {
bputs(text[CantReplyToAnonMsg]);
break; }
quotemsg(&msg,1);
if(msg.from_net.addr==NULL)
SAFECOPY(str,msg.from);
else if(msg.from_net.type==NET_FIDO) /* FidoNet type */
SAFEPRINTF2(str,"%s@%s",msg.from
,smb_faddrtoa((faddr_t *)msg.from_net.addr,tmp));
else if(msg.from_net.type==NET_INTERNET) {
if(msg.replyto_net.type==NET_INTERNET)
SAFECOPY(str,(char *)msg.replyto_net.addr);
else
SAFECOPY(str,(char *)msg.from_net.addr);
} else
SAFEPRINTF2(str,"%s@%s",msg.from,(char*)msg.from_net.addr);
SAFECOPY(str2,str);
bputs(text[Email]);
if(!getstr(str,64,K_EDIT|K_AUTODEL))
break;
msg.hdr.number=msg.idx.number;
smb_getmsgidx(&smb,&msg);
if(!stricmp(str2,str)) /* Reply to sender */
sprintf(str2,text[Regarding],msg.subj);
else /* Reply to other */
sprintf(str2,text[RegardingByOn],msg.subj,msg.from
,timestr((time_t *)&msg.hdr.when_written.time));
p=strrchr(str,'@');
if(p) { /* name @addr */
replied=netmail(str,msg.subj,WM_QUOTE);
sprintf(str2,text[DeleteMailQ],msg.from); }
else {
if(!msg.from_net.type && !stricmp(str,msg.from))
replied=email(msg.idx.from,str2,msg.subj,WM_EMAIL|WM_QUOTE);
else if(!stricmp(str,"SYSOP"))
replied=email(1,str2,msg.subj,WM_EMAIL|WM_QUOTE);
else if((i=finduser(str))!=0)
replied=email(i,str2,msg.subj,WM_EMAIL|WM_QUOTE);
else
replied=false;
sprintf(str2,text[DeleteMailQ],msg.from); }
if(replied==true && !(msg.hdr.attr&MSG_REPLIED)) {
if(msg.total_hfields)
smb_freemsgmem(&msg);
msg.total_hfields=0;
msg.idx.offset=0;
if(smb_locksmbhdr(&smb)==SMB_SUCCESS) { /* Lock the entire base */
if(loadmsg(&msg,msg.idx.number)) {
msg.hdr.attr|=MSG_REPLIED;
msg.idx.attr=msg.hdr.attr;
if((i=smb_putmsg(&smb,&msg))!=0)
errormsg(WHERE,ERR_WRITE,smb.file,i);
smb_unlockmsghdr(&smb,&msg);
}
smb_unlocksmbhdr(&smb);
}
}
if(msg.hdr.attr&MSG_DELETE || !yesno(str2)) {
if(smb.curmsg<smb.msgs-1) smb.curmsg++;
else done=1;
break; }
/* Case 'D': must follow! */
case 'D': /* Delete last piece (toggle) */
if(msg.hdr.attr&MSG_PERMANENT) {
bputs("\r\nPermanent message.\r\n");
domsg=0;
break; }
if(msg.total_hfields)
smb_freemsgmem(&msg);
msg.total_hfields=0;
msg.idx.offset=0;
if(smb_locksmbhdr(&smb)==SMB_SUCCESS) { /* Lock the entire base */
if(loadmsg(&msg,msg.idx.number)) {
msg.hdr.attr^=MSG_DELETE;
msg.idx.attr=msg.hdr.attr;
// mail[smb.curmsg].attr=msg.hdr.attr;
if((i=smb_putmsg(&smb,&msg))!=0)
errormsg(WHERE,ERR_WRITE,smb.file,i);
smb_unlockmsghdr(&smb,&msg);
}
smb_unlocksmbhdr(&smb);
}
if(smb.curmsg<smb.msgs-1) smb.curmsg++;
else done=1;
break;
case 'F': /* Forward last piece */
domsg=0;
bputs(text[ForwardMailTo]);
if(!getstr(str,LEN_ALIAS,cfg.uq&UQ_NOUPRLWR ? K_NONE:K_UPRLWR))
break;
i=finduser(str);
if(!i)
break;
domsg=1;
if(smb.curmsg<smb.msgs-1) smb.curmsg++;
else done=1;
smb_getmsgidx(&smb,&msg);
forwardmail(&msg,i);
if(msg.hdr.attr&MSG_PERMANENT)
break;
sprintf(str2,text[DeleteMailQ],msg.from);
if(!yesno(str2))
break;
if(msg.total_hfields)
smb_freemsgmem(&msg);
msg.total_hfields=0;
msg.idx.offset=0;
if(smb_locksmbhdr(&smb)==SMB_SUCCESS) { /* Lock the entire base */
if(loadmsg(&msg,msg.idx.number)) {
msg.hdr.attr|=MSG_DELETE;
msg.idx.attr=msg.hdr.attr;
// mail[smb.curmsg].attr=msg.hdr.attr;
if((i=smb_putmsg(&smb,&msg))!=0)
errormsg(WHERE,ERR_WRITE,smb.file,i);
smb_unlockmsghdr(&smb,&msg);
}
smb_unlocksmbhdr(&smb);
}
break;
case 'H':
domsg=0;
msghdr(&msg);
break;
case 'L': /* List mail */
domsg=0;
bprintf(text[StartWithN],(long)smb.curmsg+1);
if((i=getnum(smb.msgs))>0)
i--;
else if(i==-1)
break;
else
i=smb.curmsg;
if(which==MAIL_SENT)
bputs(text[MailSentLstHdr]);
else if(which==MAIL_ALL)
bputs(text[MailOnSystemLstHdr]);
else
bputs(text[MailWaitingLstHdr]);
for(;i<smb.msgs && !msgabort();i++) {
if(msg.total_hfields)
smb_freemsgmem(&msg);
msg.total_hfields=0;
msg.idx.offset=mail[i].offset;
if(!loadmsg(&msg,mail[i].number))
continue;
smb_unlockmsghdr(&smb,&msg);
if(which==MAIL_ALL)
bprintf(text[MailOnSystemLstFmt]
,i+1,msg.from,msg.to
,msg.hdr.attr&MSG_DELETE ? '-' : msg.hdr.attr&MSG_REPLIED ? 'R'
: msg.hdr.attr&MSG_READ ? ' '
: msg.from_net.type || msg.to_net.type ? 'N':'*'
,msg.subj);
else
bprintf(text[MailWaitingLstFmt],i+1
,which==MAIL_SENT ? msg.to
: (msg.hdr.attr&MSG_ANONYMOUS) && !SYSOP
? text[Anonymous] : msg.from
,msg.hdr.attr&MSG_DELETE ? '-' : msg.hdr.attr&MSG_REPLIED ? 'R'
: msg.hdr.attr&MSG_READ ? ' '
: msg.from_net.type || msg.to_net.type ? 'N':'*'
,msg.subj);
smb_freemsgmem(&msg);
msg.total_hfields=0; }
break;
case 'Q':
done=1;
break;
case 'C': /* Change attributes of last piece */
i=chmsgattr(msg.hdr.attr);
if(msg.hdr.attr==i)
break;
if(msg.total_hfields)
smb_freemsgmem(&msg);
msg.total_hfields=0;
msg.idx.offset=0;
if(smb_locksmbhdr(&smb)==SMB_SUCCESS) { /* Lock the entire base */
if(loadmsg(&msg,msg.idx.number)) {
msg.hdr.attr=msg.idx.attr=(ushort)i;
if((i=smb_putmsg(&smb,&msg))!=0)
errormsg(WHERE,ERR_WRITE,smb.file,i);
smb_unlockmsghdr(&smb,&msg);
}
smb_unlocksmbhdr(&smb);
}
break;
case '>':
for(i=smb.curmsg+1;i<smb.msgs;i++)
if(mail[i].subj==msg.idx.subj)
break;
if(i<smb.msgs)
smb.curmsg=i;
else
domsg=0;
break;
case '<': /* Search Title backward */
for(i=smb.curmsg-1;i>-1;i--)
if(mail[i].subj==msg.idx.subj)
break;
if(i>-1)
smb.curmsg=i;
else
domsg=0;
break;
case '}': /* Search Author forward */
strcpy(str,msg.from);
for(i=smb.curmsg+1;i<smb.msgs;i++)
if(mail[i].from==msg.idx.from)
break;
if(i<smb.msgs)
smb.curmsg=i;
else
domsg=0;
break;
case 'N': /* Got to next un-read message */
for(i=smb.curmsg+1;i<smb.msgs;i++)
if(!(mail[i].attr&MSG_READ))
break;
if(i<smb.msgs)
smb.curmsg=i;
else
domsg=0;
break;
case '{': /* Search Author backward */
strcpy(str,msg.from);
for(i=smb.curmsg-1;i>-1;i--)
if(mail[i].from==msg.idx.from)
break;
if(i>-1)
smb.curmsg=i;
else
domsg=0;
break;
case ']': /* Search To User forward */
strcpy(str,msg.to);
for(i=smb.curmsg+1;i<smb.msgs;i++)
if(mail[i].to==msg.idx.to)
break;
if(i<smb.msgs)
smb.curmsg=i;
else
domsg=0;
break;
case '[': /* Search To User backward */
strcpy(str,msg.to);
for(i=smb.curmsg-1;i>-1;i--)
if(mail[i].to==msg.idx.to)
break;
if(i>-1)
smb.curmsg=i;
else
domsg=0;
break;
case 0:
case '+':
if(smb.curmsg<smb.msgs-1) smb.curmsg++;
else done=1;
break;
case '-':
if(smb.curmsg>0) smb.curmsg--;
break;
case 'S':
domsg=0;
/*
if(!yesno(text[SaveMsgToFile]))
break;
*/
bputs(text[FileToWriteTo]);
if(getstr(str,40,K_LINE))
msgtotxt(&msg,str,1,1);
break;
case 'E':
editmsg(&msg,INVALID_SUB);
break;
case 'T':
domsg=0;
i=smb.curmsg;
if(i) i++;
j=i+10;
if(j>smb.msgs)
j=smb.msgs;
if(which==MAIL_SENT)
bputs(text[MailSentLstHdr]);
else if(which==MAIL_ALL)
bputs(text[MailOnSystemLstHdr]);
else
bputs(text[MailWaitingLstHdr]);
for(;i<j;i++) {
if(msg.total_hfields)
smb_freemsgmem(&msg);
msg.total_hfields=0;
msg.idx.offset=mail[i].offset;
if(!loadmsg(&msg,mail[i].number))
continue;
smb_unlockmsghdr(&smb,&msg);
if(which==MAIL_ALL)
bprintf(text[MailOnSystemLstFmt]
,i+1,msg.from,msg.to
,msg.hdr.attr&MSG_DELETE ? '-' : msg.hdr.attr&MSG_REPLIED ? 'R'
: msg.hdr.attr&MSG_READ ? ' '
: msg.from_net.type || msg.to_net.type ? 'N':'*'
,msg.subj);
else
bprintf(text[MailWaitingLstFmt],i+1
,which==MAIL_SENT ? msg.to
: (msg.hdr.attr&MSG_ANONYMOUS) && !SYSOP
? text[Anonymous] : msg.from
,msg.hdr.attr&MSG_DELETE ? '-' : msg.hdr.attr&MSG_REPLIED ? 'R'
: msg.hdr.attr&MSG_READ ? ' '
: msg.from_net.type || msg.to_net.type ? 'N':'*'
,msg.subj);
smb_freemsgmem(&msg);
msg.total_hfields=0; }
smb.curmsg=(i-1);
break;
case 'U': /* user edit */
msg.hdr.number=msg.idx.number;
smb_getmsgidx(&smb,&msg);
useredit(which==MAIL_SENT ? msg.idx.to : msg.idx.from);
break;
case 'P': /* Purge author and all mail to/from */
if(noyes(text[AreYouSureQ]))
break;
msg.hdr.number=msg.idx.number;
smb_getmsgidx(&smb,&msg);
purgeuser(msg.idx.from);
if(smb.curmsg<smb.msgs-1) smb.curmsg++;
break;
case '?':
strcpy(str,which==MAIL_YOUR ? "mailread" : which==MAIL_ALL
? "allmail" : "sentmail");
menu(str);
if(SYSOP && which==MAIL_SENT)
menu("syssmail");
else if(SYSOP && which==MAIL_YOUR)
menu("sysmailr"); /* Sysop Mail Read */
domsg=0;
break;
} }
if(msg.total_hfields)
smb_freemsgmem(&msg);
if(smb.msgs)
free(mail);
/***************************************/
/* Delete messages marked for deletion */
/***************************************/
if(cfg.sys_misc&SM_DELEMAIL) {
if((i=smb_locksmbhdr(&smb))!=0) /* Lock the base, so nobody */
errormsg(WHERE,ERR_LOCK,smb.file,i); /* messes with the index */
else
delmail(usernumber,which); }
smb_close(&smb);
smb_stack(&smb,SMB_STACK_POP);
}
AutoDescriptor receiveDescriptor(Descriptor streamPipe, char * errbuf, size_t bufsz)
{
struct msghdr msg;
struct iovec iov[1];
msg = msghdr(); // zero-init to make valgrind happy
#ifdef BLOCXX_HAVE_MSGHDR_MSG_CONTROL
union {
struct cmsghdr cm;
char control[BLOCXX_MSGHDR_MSG_SIZE_INT];
} control_un;
msg.msg_control = control_un.control;
msg.msg_controllen = sizeof(control_un.control);
#else
int newfd = -1;
#ifdef BLOCXX_NCR
void *temp_cast = &newfd;
msg.msg_accrights = static_cast<caddr_t>(temp_cast);
#else
msg.msg_accrights = static_cast<caddr_t>(&newfd);
#endif
msg.msg_accrightslen = sizeof(int);
#endif
msg.msg_name = 0;
msg.msg_namelen = 0;
char dummy[1] = { '\x7F' };
iov[0].iov_base = dummy;
iov[0].iov_len = 1;
msg.msg_iov = iov;
msg.msg_iovlen = 1;
ssize_t n = ::recvmsg(streamPipe, &msg, 0);
if (n == 0)
{
return copy_error(errbuf, bufsz,
"unexpected end of input when receiving handle");
}
if (n < 0)
{
return copy_error(errbuf, bufsz, "recvmsg() failed");
}
if (n != 1)
{
return copy_error(errbuf, bufsz, "received more than 1 byte.");
}
if (dummy[0] != MAGIC_CHAR)
{
return copy_error(errbuf, bufsz, "bad magic char when receiving handle");
}
#ifdef BLOCXX_HAVE_MSGHDR_MSG_CONTROL
struct cmsghdr * cmptr = CMSG_FIRSTHDR(&msg);
if (!cmptr)
{
return copy_error(errbuf, bufsz,
"missing control message when receiving handle");
}
// as far as I can tell, HP-UX is just broken and sets cmptr->cmsg_len to 12. Things work anyway.
#if !defined (BLOCXX_HPUX)
if (cmptr->cmsg_len != CMSG_LEN(sizeof(int)))
{
return copy_error(errbuf, bufsz,
"cmptr->cmsg_len != CMSG_LEN(sizeof(int)) when receiving handle");
}
#endif
if (cmptr->cmsg_level != SOL_SOCKET)
{
return copy_error(errbuf, bufsz,
"control level != SOL_SOCKET when receiving handle");
}
if (cmptr->cmsg_type != SCM_RIGHTS)
{
return copy_error(errbuf, bufsz,
"control type != SCM_RIGHTS when receiving handle");
}
int* ptr = reinterpret_cast<int *>(CMSG_DATA(cmptr));
return AutoDescriptor(*ptr);
#else
if (msg.msg_accrightslen != sizeof(int))
{
return copy_error(errbuf, bufsz,
"bad control message when receiving handle");
}
return AutoDescriptor(newfd);
#endif
}
