1 files changed, 0 insertions, 276 deletions
diff --git a/sqmail-4.3.07/src/spawn.c b/sqmail-4.3.07/src/spawn.c
deleted file mode 100644
index effcb26..0000000
--- a/sqmail-4.3.07/src/spawn.c
+++ /dev/null
@@ -1,276 +0,0 @@
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include "alloc.h"
-#include "sig.h"
-#include "wait.h"
-#include "buffer.h"
-#include "byte.h"
-#include "str.h"
-#include "stralloc.h"
-#include "select.h"
-#include "exit.h"
-#include "fd.h"
-#include "open.h"
-#include "error.h"
-#include "auto_qmail.h"
-#include "auto_uids.h"
-#include "auto_spawn.h"
-
-extern int truncreport;
-extern int spawn();
-extern void report();
-extern void initialize();
-
-struct delivery
- {
-  int used;
-  int fdin; /* pipe input */
-  int pid; /* zero if child is dead */
-  int wstat; /* if !pid: status of child */
-  int fdout; /* pipe output, -1 if !pid; delays eof until after death */
-  stralloc output;
- }
-;
-
-struct delivery *d;
-
-void sigchld()
-{
-  int wstat;
-  int pid;
-  int i;
-
-  while ((pid = wait_nohang(&wstat)) > 0)
-    for (i = 0; i < auto_spawn; ++i) 
-      if (d[i].used)
-        if (d[i].pid == pid) {
-          close(d[i].fdout); d[i].fdout = -1;
-          d[i].wstat = wstat; d[i].pid = 0;
-        }
-} 
-
-int flagwriting = 1;
-
-ssize_t okwrite(int fd,char *buf,int n)
-{
-  int w;
-  if (!flagwriting) return n;
-  w = write(fd,buf,n);
-  if (w != -1) return w;
-  if (errno == EINTR) return -1;
-  flagwriting = 0; close(fd);
-  return n;
-}
-
-int flagreading = 1;
-char outbuf[1024]; 
-buffer bo;
-
-int stage = 0; /* reading 0:delnum 1:messid 2:sender 3:recip */
-int flagabort = 0; /* if 1, everything except delnum is garbage */
-int delnum;
-stralloc messid = {0};
-stralloc sender = {0};
-stralloc recip = {0};
-
-void err(char *s)
-{
-  char ch; 
- 
-  ch = delnum; 
-  buffer_put(&bo,&ch,1);
-  buffer_puts(&bo,s); 
-  buffer_putflush(&bo,"",1);
-}
-
-void docmd()
-{
-  int f;
-  int i;
-  int j;
-  int fdmess;
-  int pi[2];
-  struct stat st;
-
-  if (flagabort) { err("Zqmail-spawn: Out of memory. (#4.3.0)\n"); return; }
-  if (delnum < 0) { err("Zqmail-spawn: Internal error: delnum negative. (#4.3.5)\n"); return; }
-  if (delnum >= auto_spawn) { err("Zqmail-spawn: Internal error: delnum too big. (#4.3.5)\n"); return; }
-  if (d[delnum].used) { err("Zqmail-spawn: Internal error: delnum in use. (#4.3.5)\n"); return; }
- 
-  for (i = 0; i < messid.len; ++i)
-    if (messid.s[i])
-      if (!i || (messid.s[i] != '/'))
-        if ((unsigned char) (messid.s[i] - '0') > 9)
-          { err("Dqmail-spawn: Internal error: messid has nonnumerics. (#5.3.5)\n"); return; }
-
-  if (messid.len > 100) { err("Dqmail-spawn: Internal error: messid too long. (#5.3.5)\n"); return; }
-  if (!messid.s[0]) { err("Dqmail-spawn: Internal error: messid too short. (#5.3.5)\n"); return; }
-
-  if (!stralloc_copys(&d[delnum].output,""))
-   { err("Zqmail-spawn: Out of memory. (#4.3.0)\n"); return; }
-
-  j = byte_rchr(recip.s,recip.len,'@');
-  if (j >= recip.len) { err("DSorry, address must include host name. (#5.1.3)\n"); return; }
-
-  fdmess = open_read(messid.s);
-  if (fdmess == -1) { err("Zqmail-spawn: Unable to open message. (#4.3.0)\n"); return; }
-
-  if (fstat(fdmess,&st) == -1)
-    { close(fdmess); err("Zqmail-spawn: Unable to fstat message. (#4.3.0)\n"); return; }
-  if ((st.st_mode & S_IFMT) != S_IFREG)
-    { close(fdmess); err("ZSorry, message has wrong type. (#4.3.5)\n"); return; }
-  if (st.st_uid != auto_uidq) /* aaack! qmailq has to be trusted! */
-   /* your security is already toast at this point. damage control... */
-    { close(fdmess); err("ZSorry, message has wrong owner. (#4.3.5)\n"); return; }
-
-  if (pipe(pi) == -1) {
-    if (errno == EFAULT) err("Zqmail-spawn: Unable to create pipe (wrong fildes). (#4.3.0)\n"); 
-    else if (errno == EMFILE) err("Zqmail-spawn: Unable to create pipe (too many FDS). (#4.3.0)\n"); 
-    else if (errno == ENFILE) err("Zqmail-spawn: Unable to create pipe (system file table full). (#4.3.0)\n"); 
-    else if (errno == ENOMEM) err("Zqmail-spawn: Unable to create pipe (out of memory). (#4.3.0)\n"); 
-    else err("Zqmail-spawn: Unable to create pipe (unkown reason). (#4.3.0)\n"); 
-    close(fdmess); 
-    return; 
-  }
-
-  fd_coe(pi[0]);
-
-  f = spawn(fdmess,pi[1],sender.s,recip.s,j);
-  close(fdmess);
-
-  if (f == -1)
-    { close(pi[0]); close(pi[1]); err("Zqmail-spawn: Unable to fork. (#4.3.0)\n"); return; }
-
-  d[delnum].fdin = pi[0];
-  d[delnum].fdout = pi[1]; fd_coe(pi[1]);
-  d[delnum].pid = f;
-  d[delnum].used = 1;
-}
-
-char cmdbuf[1024];
-
-void getcmd()
-{
-  int i;
-  int r;
-  char ch;
-
-  r = read(0,cmdbuf,sizeof(cmdbuf));
-  if (r == 0)
-    { flagreading = 0; return; }
-  if (r == -1) {
-    if (errno != EINTR)
-      flagreading = 0;
-    return;
-  }
- 
-  for (i = 0; i < r; ++i) {
-    ch = cmdbuf[i];
-    switch (stage) {
-      case 0:
-        delnum = (unsigned int) (unsigned char) ch;
-        messid.len = 0; stage = 1; break;
-      case 1:
-        if (!stralloc_append(&messid,&ch)) flagabort = 1;
-        if (ch) break;
-        sender.len = 0; stage = 2; break;
-      case 2:
-        if (!stralloc_append(&sender,&ch)) flagabort = 1;
-        if (ch) break;
-        recip.len = 0; stage = 3; break;
-      case 3:
-        if (!stralloc_append(&recip,&ch)) flagabort = 1;
-        if (ch) break;
-        docmd();
-        flagabort = 0; stage = 0; break;
-    }
-  }
-}
-
-char inbuf[128];
-
-int main(int argc,char **argv)
-{
-  char ch;
-  int i;
-  int r;
-  fd_set rfds;
-  int nfds;
-
-  if (chdir(auto_qmail) == -1) _exit(110);
-  if (chdir("queue/mess") == -1) _exit(110);
-  if (!stralloc_copys(&messid,"")) _exit(111);
-  if (!stralloc_copys(&sender,"")) _exit(111);
-  if (!stralloc_copys(&recip,"")) _exit(111);
-
-  d = (struct delivery *) alloc((auto_spawn + 10) * sizeof(struct delivery));
-  if (!d) _exit(111);
-
-  buffer_init(&bo,okwrite,1,outbuf,sizeof(outbuf));
-
-  sig_pipeignore();
-  sig_childcatch(sigchld);
-
-  initialize(argc,argv);
-
-  ch = auto_spawn; 
-  buffer_putflush(&bo,&ch,1);
-
-  for (i = 0; i < auto_spawn; ++i) 
-    { d[i].used = 0; d[i].output.s = 0; }
-
-  for (;;) {
-    if (!flagreading) {
-      for (i = 0; i < auto_spawn; ++i) if (d[i].used) break;
-      if (i >= auto_spawn) _exit(0);
-    }
-    sig_childunblock();
-
-    FD_ZERO(&rfds);
-    if (flagreading) FD_SET(0,&rfds);
-    nfds = 1;
-
-    for (i = 0; i < auto_spawn; ++i) 
-      if (d[i].used) { 
-        FD_SET(d[i].fdin,&rfds); 
-        if (d[i].fdin >= nfds) 
-          nfds = d[i].fdin + 1; 
-      }
-
-    r = select(nfds,&rfds,(fd_set *) 0,(fd_set *) 0,(struct timeval *) 0);
-    sig_childblock();
-
-    if (r != -1) {
-      if (flagreading)
-        if (FD_ISSET(0,&rfds)) getcmd();
-      for (i = 0; i < auto_spawn; ++i) 
-        if (d[i].used)
-
-      if (FD_ISSET(d[i].fdin,&rfds)) {
-        r = read(d[i].fdin,inbuf,128);
-        if (r == -1)
-           continue; /* read error on a readable pipe? be serious */
-        if (r == 0) {
-          ch = i; 
-          buffer_put(&bo,&ch,1);
-          report(&bo,d[i].wstat,d[i].output.s,d[i].output.len);
-          buffer_put(&bo,"",1);
-          buffer_flush(&bo);
-          close(d[i].fdin); d[i].used = 0;
-          continue;
-        }
-        while (!stralloc_readyplus(&d[i].output,r)) 
-          sleep(10); /*XXX*/
-        byte_copy(d[i].output.s + d[i].output.len,r,inbuf);
-        d[i].output.len += r;
-        if (truncreport > 100)
-          if (d[i].output.len > truncreport) {
-            char *truncmess = "\nError report too long, sorry.\n";
-            d[i].output.len = truncreport - str_len(truncmess) - 3;
-            stralloc_cats(&d[i].output,truncmess);
-          }
-      }
-    }
-  }
-}