125 lines
3.3 KiB
C
125 lines
3.3 KiB
C
#include "substdio.h"
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#include "readwrite.h"
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#include "wait.h"
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#include "exit.h"
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#include "fork.h"
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#include "fd.h"
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#include "qmail.h"
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#include "auto_qmail.h"
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static char *binqqargs[2] = { "bin/qmail-queue", 0 } ;
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int qmail_open(qq)
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struct qmail *qq;
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{
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int pim[2];
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int pie[2];
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if (pipe(pim) == -1) return -1;
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if (pipe(pie) == -1) { close(pim[0]); close(pim[1]); return -1; }
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switch(qq->pid = vfork()) {
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case -1:
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close(pim[0]); close(pim[1]);
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close(pie[0]); close(pie[1]);
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return -1;
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case 0:
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close(pim[1]);
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close(pie[1]);
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if (fd_move(0,pim[0]) == -1) _exit(120);
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if (fd_move(1,pie[0]) == -1) _exit(120);
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if (chdir(auto_qmail) == -1) _exit(61);
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execv(*binqqargs,binqqargs);
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_exit(120);
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}
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qq->fdm = pim[1]; close(pim[0]);
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qq->fde = pie[1]; close(pie[0]);
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substdio_fdbuf(&qq->ss,write,qq->fdm,qq->buf,sizeof(qq->buf));
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qq->flagerr = 0;
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return 0;
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}
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unsigned long qmail_qp(qq) struct qmail *qq;
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{
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return qq->pid;
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}
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void qmail_fail(qq) struct qmail *qq;
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{
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qq->flagerr = 1;
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}
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void qmail_put(qq,s,len) struct qmail *qq; char *s; int len;
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{
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if (!qq->flagerr) if (substdio_put(&qq->ss,s,len) == -1) qq->flagerr = 1;
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}
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void qmail_puts(qq,s) struct qmail *qq; char *s;
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{
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if (!qq->flagerr) if (substdio_puts(&qq->ss,s) == -1) qq->flagerr = 1;
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}
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void qmail_from(qq,s) struct qmail *qq; char *s;
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{
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if (substdio_flush(&qq->ss) == -1) qq->flagerr = 1;
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close(qq->fdm);
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substdio_fdbuf(&qq->ss,write,qq->fde,qq->buf,sizeof(qq->buf));
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qmail_put(qq,"F",1);
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qmail_puts(qq,s);
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qmail_put(qq,"",1);
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}
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void qmail_to(qq,s) struct qmail *qq; char *s;
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{
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qmail_put(qq,"T",1);
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qmail_puts(qq,s);
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qmail_put(qq,"",1);
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}
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char *qmail_close(qq)
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struct qmail *qq;
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{
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int wstat;
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int exitcode;
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qmail_put(qq,"",1);
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if (!qq->flagerr) if (substdio_flush(&qq->ss) == -1) qq->flagerr = 1;
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close(qq->fde);
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if (wait_pid(&wstat,qq->pid) != qq->pid)
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return "Zqq waitpid surprise (#4.3.0)";
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if (wait_crashed(wstat))
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return "Zqq crashed (#4.3.0)";
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exitcode = wait_exitcode(wstat);
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switch(exitcode) {
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case 115: /* compatibility */
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case 11: return "Denvelope address too long for qq (#5.1.3)";
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case 31: return "Dmail server permanently rejected message (#5.3.0)";
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case 51: return "Zqq out of memory (#4.3.0)";
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case 52: return "Zqq timeout (#4.3.0)";
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case 53: return "Zqq write error or disk full (#4.3.0)";
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case 0: if (!qq->flagerr) return ""; /* fall through */
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case 54: return "Zqq read error (#4.3.0)";
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case 55: return "Zqq unable to read configuration (#4.3.0)";
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case 56: return "Zqq trouble making network connection (#4.3.0)";
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case 61: return "Zqq trouble in home directory (#4.3.0)";
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case 63:
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case 64:
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case 65:
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case 66:
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case 62: return "Zqq trouble creating files in queue (#4.3.0)";
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case 71: return "Zmail server temporarily rejected message (#4.3.0)";
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case 72: return "Zconnection to mail server timed out (#4.4.1)";
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case 73: return "Zconnection to mail server rejected (#4.4.1)";
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case 74: return "Zcommunication with mail server failed (#4.4.2)";
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case 91: /* fall through */
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case 81: return "Zqq internal bug (#4.3.0)";
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case 120: return "Zunable to exec qq (#4.3.0)";
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default:
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if ((exitcode >= 11) && (exitcode <= 40))
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return "Dqq permanent problem (#5.3.0)";
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return "Zqq temporary problem (#4.3.0)";
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}
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}
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