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- #include "substdio.h"
- #include "readwrite.h"
- #include "wait.h"
- #include "exit.h"
- #include "fork.h"
- #include "fd.h"
- #include "qmail.h"
- #include "auto_qmail.h"
-
- static char *binqqargs[2] = { "bin/qmail-queue", 0 } ;
-
- int qmail_open(qq)
- struct qmail *qq;
- {
- int pim[2];
- int pie[2];
-
- if (pipe(pim) == -1) return -1;
- if (pipe(pie) == -1) { close(pim[0]); close(pim[1]); return -1; }
-
- switch(qq->pid = vfork()) {
- case -1:
- close(pim[0]); close(pim[1]);
- close(pie[0]); close(pie[1]);
- return -1;
- case 0:
- close(pim[1]);
- close(pie[1]);
- if (fd_move(0,pim[0]) == -1) _exit(120);
- if (fd_move(1,pie[0]) == -1) _exit(120);
- if (chdir(auto_qmail) == -1) _exit(120);
- execv(*binqqargs,binqqargs);
- _exit(120);
- }
-
- qq->fdm = pim[1]; close(pim[0]);
- qq->fde = pie[1]; close(pie[0]);
- substdio_fdbuf(&qq->ss,write,qq->fdm,qq->buf,sizeof(qq->buf));
- qq->flagerr = 0;
- return 0;
- }
-
- unsigned long qmail_qp(qq) struct qmail *qq;
- {
- return qq->pid;
- }
-
- void qmail_fail(qq) struct qmail *qq;
- {
- qq->flagerr = 1;
- }
-
- void qmail_put(qq,s,len) struct qmail *qq; char *s; int len;
- {
- if (!qq->flagerr) if (substdio_put(&qq->ss,s,len) == -1) qq->flagerr = 1;
- }
-
- void qmail_puts(qq,s) struct qmail *qq; char *s;
- {
- if (!qq->flagerr) if (substdio_puts(&qq->ss,s) == -1) qq->flagerr = 1;
- }
-
- void qmail_from(qq,s) struct qmail *qq; char *s;
- {
- if (substdio_flush(&qq->ss) == -1) qq->flagerr = 1;
- close(qq->fdm);
- substdio_fdbuf(&qq->ss,write,qq->fde,qq->buf,sizeof(qq->buf));
- qmail_put(qq,"F",1);
- qmail_puts(qq,s);
- qmail_put(qq,"",1);
- }
-
- void qmail_to(qq,s) struct qmail *qq; char *s;
- {
- qmail_put(qq,"T",1);
- qmail_puts(qq,s);
- qmail_put(qq,"",1);
- }
-
- int qmail_close(qq)
- struct qmail *qq;
- {
- int wstat;
-
- qmail_put(qq,"",1);
- if (!qq->flagerr) if (substdio_flush(&qq->ss) == -1) qq->flagerr = 1;
- close(qq->fde);
-
- if (wait_pid(&wstat,qq->pid) != qq->pid) return QMAIL_WAITPID;
- if (wait_crashed(wstat)) return QMAIL_CRASHED;
- switch(wait_exitcode(wstat)) {
- case 0: if (qq->flagerr) return QMAIL_BUG; return 0;
- case 112: return QMAIL_USAGE;
- case 115: return QMAIL_TOOLONG;
- case 103: case 104: case 105: case 106: case 108: return QMAIL_SYS;
- case 121: return QMAIL_READ;
- case 122: return QMAIL_WRITE;
- case 123: return QMAIL_NOMEM;
- case 124: return QMAIL_TIMEOUT;
- case 120: return QMAIL_EXECSOFT;
- default: /* 101 or 102 */ return QMAIL_BUG;
- }
- }
-