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Diffstat (limited to 'sqmail-4.3.07/src/qmail-pop3d.c')
-rw-r--r--sqmail-4.3.07/src/qmail-pop3d.c314
1 files changed, 0 insertions, 314 deletions
diff --git a/sqmail-4.3.07/src/qmail-pop3d.c b/sqmail-4.3.07/src/qmail-pop3d.c
deleted file mode 100644
index ae4b6ea..0000000
--- a/sqmail-4.3.07/src/qmail-pop3d.c
+++ /dev/null
@@ -1,314 +0,0 @@
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include "commands.h"
-#include "sig.h"
-#include "getln.h"
-#include "stralloc.h"
-#include "buffer.h"
-#include "alloc.h"
-#include "open.h"
-#include "prioq.h"
-#include "scan.h"
-#include "fmt.h"
-#include "str.h"
-#include "exit.h"
-#include "maildir.h"
-#include "timeout.h"
-#include "qmail.h"
-
-#define FDIN 0
-#define FDOUT 1
-#define POP3_TIMEOUT 1200
-
-int rename(const char *,const char *); // stdio.h
-
-void die() { _exit(0); }
-
-ssize_t saferead(int fd,char *buf,int len)
-{
- int r;
- r = timeoutread(POP3_TIMEOUT,fd,buf,len);
- if (r <= 0) die();
- return r;
-}
-
-ssize_t safewrite(int fd,char *buf,int len)
-{
- int r;
- r = timeoutwrite(POP3_TIMEOUT,fd,buf,len);
- if (r <= 0) die();
- return r;
-}
-
-char inbuf[BUFSIZE_LINE];
-buffer bi = BUFFER_INIT(saferead,FDIN,inbuf,sizeof(inbuf));
-char outbuf[BUFSIZE_LINE];
-buffer bo = BUFFER_INIT(safewrite,FDOUT,outbuf,sizeof(outbuf));
-
-void out(char *buf,int len)
-{
- buffer_put(&bo,buf,len);
-}
-void outs(char *s)
-{
- buffer_puts(&bo,s);
-}
-void flush()
-{
- buffer_flush(&bo);
-}
-void err(char *s)
-{
- outs("-ERR ");
- outs(s);
- outs("\r\n");
- flush();
-}
-
-void die_nomem() { err("out of memory"); die(); }
-void die_nomaildir() { err("this user has no $HOME/Maildir"); die(); }
-void die_scan() { err("unable to scan $HOME/Maildir"); die(); }
-
-void err_syntax() { err("syntax error"); }
-void err_unimpl() { err("unimplemented"); }
-void err_deleted() { err("already deleted"); }
-void err_nozero() { err("messages are counted from 1"); }
-void err_toobig() { err("not that many messages"); }
-void err_nosuch() { err("unable to open that message"); }
-void err_nounlink() { err("unable to unlink all deleted messages"); }
-
-void okay() { outs("+OK \r\n"); flush(); }
-
-void printfn(char *fn)
-{
- fn += 4;
- out(fn,str_chr(fn,':'));
-}
-
-char strnum[FMT_ULONG];
-stralloc line = {0};
-
-void blast(buffer *bf,unsigned long limit)
-{
- int match;
- int inheaders = 1;
-
- for (;;) {
- if (getln(bf,&line,&match,'\n') != 0) die();
- if (!match && !line.len) break;
- if (match) --line.len; /* no way to pass this info over POP */
- if (limit) if (!inheaders) if (!--limit) break;
- if (!line.len)
- inheaders = 0;
- else
- if (line.s[0] == '.')
- out(".",1);
- out(line.s,line.len);
- out("\r\n",2);
-
- if (!match) break;
- }
- out("\r\n.\r\n",5);
- flush();
-}
-
-stralloc filenames = {0};
-prioq pq = {0};
-
-struct message {
- int flagdeleted;
- unsigned long size;
- char *fn;
-} *m;
-
-int numm;
-int last = 0;
-
-void getlist()
-{
- struct prioq_elt pe;
- struct stat st;
- int i;
-
- maildir_clean(&line);
- if (maildir_scan(&pq,&filenames,1,1) == -1) die_scan();
-
- numm = pq.p ? pq.len : 0;
- m = (struct message *) alloc(numm * sizeof(struct message));
- if (!m) die_nomem();
-
- for (i = 0; i < numm; ++i) {
- if (!prioq_min(&pq,&pe)) { numm = i; break; }
- prioq_delmin(&pq);
- m[i].fn = filenames.s + pe.id;
- m[i].flagdeleted = 0;
- if (stat(m[i].fn,&st) == -1)
- m[i].size = 0;
- else
- m[i].size = st.st_size;
- }
-}
-
-void pop3_stat()
-{
- int i;
- unsigned long total;
-
- total = 0;
- for (i = 0; i < numm; ++i)
- if (!m[i].flagdeleted) total += m[i].size;
-
- outs("+OK ");
- out(strnum,fmt_uint(strnum,numm));
- outs(" ");
- out(strnum,fmt_ulong(strnum,total));
- outs("\r\n");
- flush();
-}
-
-void pop3_rset()
-{
- int i;
-
- for (i = 0; i < numm; ++i)
- m[i].flagdeleted = 0;
- last = 0;
- okay();
-}
-
-void pop3_last()
-{
- outs("+OK ");
- out(strnum,fmt_uint(strnum,last));
- outs("\r\n");
- flush();
-}
-
-void pop3_quit()
-{
- int i;
-
- for (i = 0; i < numm; ++i)
- if (m[i].flagdeleted) {
- if (unlink(m[i].fn) == -1) err_nounlink();
- } else {
- if (str_start(m[i].fn,"new/")) {
- if (!stralloc_copys(&line,"cur/")) die_nomem();
- if (!stralloc_cats(&line,m[i].fn + 4)) die_nomem();
- if (!stralloc_cats(&line,":2,")) die_nomem();
- if (!stralloc_0(&line)) die_nomem();
- rename(m[i].fn,line.s); /* if it fails, bummer */
- }
- }
- okay();
- die();
-}
-
-int msgno(char *arg)
-{
- unsigned long u;
-
- if (!scan_ulong(arg,&u)) { err_syntax(); return -1; }
- if (!u) { err_nozero(); return -1; }
- --u;
- if (u >= numm) { err_toobig(); return -1; }
- if (m[u].flagdeleted) { err_deleted(); return -1; }
- return u;
-}
-
-void pop3_dele(char *arg)
-{
- int i;
-
- i = msgno(arg);
- if (i == -1) return;
- m[i].flagdeleted = 1;
- if (i + 1 > last) last = i + 1;
- okay();
-}
-
-void list(int i,int flaguidl)
-{
- out(strnum,fmt_uint(strnum,i + 1));
- outs(" ");
- if (flaguidl) printfn(m[i].fn);
- else out(strnum,fmt_ulong(strnum,m[i].size));
- outs("\r\n");
-}
-
-void dolisting(char *arg,int flaguidl)
-{
- unsigned int i;
-
- if (*arg) {
- i = msgno(arg);
- if (i == -1) return;
-
- outs("+OK ");
- list(i,flaguidl);
- } else {
- okay();
- for (i = 0; i < numm; ++i)
- if (!m[i].flagdeleted) list(i,flaguidl);
- outs(".\r\n");
- }
- flush();
-}
-
-void pop3_uidl(char *arg) { dolisting(arg,1); }
-void pop3_list(char *arg) { dolisting(arg,0); }
-
-char msgbuf[BUFSIZE_MESS];
-buffer bm;
-
-void pop3_top(char *arg)
-{
- int i;
- unsigned long limit;
- int fd;
-
- i = msgno(arg);
- if (i == -1) return;
-
- arg += scan_ulong(arg,&limit);
- while (*arg == ' ') ++arg;
- if (scan_ulong(arg,&limit)) ++limit;
- else limit = 0;
-
- fd = open_read(m[i].fn);
- if (fd == -1) { err_nosuch(); return; }
- okay();
- buffer_init(&bm,read,fd,msgbuf,sizeof(msgbuf));
- blast(&bm,limit);
- close(fd);
-}
-
-struct commands pop3commands[] = {
- { "quit", pop3_quit, 0 }
-, { "stat", pop3_stat, 0 }
-, { "list", pop3_list, 0 }
-, { "uidl", pop3_uidl, 0 }
-, { "dele", pop3_dele, 0 }
-, { "retr", pop3_top, 0 }
-, { "rset", pop3_rset, 0 }
-, { "last", pop3_last, 0 }
-, { "top", pop3_top, 0 }
-, { "noop", okay, 0 }
-, { 0, err_unimpl, 0 }
-} ;
-
-int main(int argc,char **argv)
-{
- sig_alarmcatch(die);
- sig_pipeignore();
-
- if (!argv[1]) die_nomaildir();
- if (chdir(argv[1]) == -1) die_nomaildir();
-
- getlist();
-
- okay();
- commands(&bi,pop3commands);
- die();
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 07:46:06 +0000