| 1 | #include "substdio.h" |
| 2 | #include "readwrite.h" |
| 3 | #include "wait.h" |
| 4 | #include "exit.h" |
| 5 | #include "fork.h" |
| 6 | #include "fd.h" |
| 7 | #include "qmail.h" |
| 8 | #include "auto_qmail.h" |
| 9 | #include "env.h" |
| 10 | |
| 11 | static char *binqqargs[2] = { 0, 0 } ; |
| 12 | |
| 13 | static void setup_qqargs() |
| 14 | { |
| 15 | if(!binqqargs[0]) |
| 16 | binqqargs[0] = env_get("QMAILQUEUE"); |
| 17 | if(!binqqargs[0]) |
| 18 | binqqargs[0] = "/usr/sbin/qmail-queue"; |
| 19 | } |
| 20 | |
| 21 | int qmail_open(qq) |
| 22 | struct qmail *qq; |
| 23 | { |
| 24 | int pim[2]; |
| 25 | int pie[2]; |
| 26 | |
| 27 | setup_qqargs(); |
| 28 | |
| 29 | if (pipe(pim) == -1) return -1; |
| 30 | if (pipe(pie) == -1) { close(pim[0]); close(pim[1]); return -1; } |
| 31 | |
| 32 | switch(qq->pid = vfork()) { |
| 33 | case -1: |
| 34 | close(pim[0]); close(pim[1]); |
| 35 | close(pie[0]); close(pie[1]); |
| 36 | return -1; |
| 37 | case 0: |
| 38 | close(pim[1]); |
| 39 | close(pie[1]); |
| 40 | if (fd_move(0,pim[0]) == -1) _exit(120); |
| 41 | if (fd_move(1,pie[0]) == -1) _exit(120); |
| 42 | if (chdir(auto_qmail) == -1) _exit(61); |
| 43 | execv(*binqqargs,binqqargs); |
| 44 | _exit(120); |
| 45 | } |
| 46 | |
| 47 | qq->fdm = pim[1]; close(pim[0]); |
| 48 | qq->fde = pie[1]; close(pie[0]); |
| 49 | substdio_fdbuf(&qq->ss,write,qq->fdm,qq->buf,sizeof(qq->buf)); |
| 50 | qq->flagerr = 0; |
| 51 | return 0; |
| 52 | } |
| 53 | |
| 54 | unsigned long qmail_qp(qq) struct qmail *qq; |
| 55 | { |
| 56 | return qq->pid; |
| 57 | } |
| 58 | |
| 59 | void qmail_fail(qq) struct qmail *qq; |
| 60 | { |
| 61 | qq->flagerr = 1; |
| 62 | } |
| 63 | |
| 64 | void qmail_put(qq,s,len) struct qmail *qq; char *s; int len; |
| 65 | { |
| 66 | if (!qq->flagerr) if (substdio_put(&qq->ss,s,len) == -1) qq->flagerr = 1; |
| 67 | } |
| 68 | |
| 69 | void qmail_puts(qq,s) struct qmail *qq; char *s; |
| 70 | { |
| 71 | if (!qq->flagerr) if (substdio_puts(&qq->ss,s) == -1) qq->flagerr = 1; |
| 72 | } |
| 73 | |
| 74 | void qmail_from(qq,s) struct qmail *qq; char *s; |
| 75 | { |
| 76 | if (substdio_flush(&qq->ss) == -1) qq->flagerr = 1; |
| 77 | close(qq->fdm); |
| 78 | substdio_fdbuf(&qq->ss,write,qq->fde,qq->buf,sizeof(qq->buf)); |
| 79 | qmail_put(qq,"F",1); |
| 80 | qmail_puts(qq,s); |
| 81 | qmail_put(qq,"",1); |
| 82 | } |
| 83 | |
| 84 | void qmail_to(qq,s) struct qmail *qq; char *s; |
| 85 | { |
| 86 | qmail_put(qq,"T",1); |
| 87 | qmail_puts(qq,s); |
| 88 | qmail_put(qq,"",1); |
| 89 | } |
| 90 | |
| 91 | char *qmail_close(qq) |
| 92 | struct qmail *qq; |
| 93 | { |
| 94 | int wstat; |
| 95 | int exitcode; |
| 96 | |
| 97 | qmail_put(qq,"",1); |
| 98 | if (!qq->flagerr) if (substdio_flush(&qq->ss) == -1) qq->flagerr = 1; |
| 99 | close(qq->fde); |
| 100 | |
| 101 | if (wait_pid(&wstat,qq->pid) != qq->pid) |
| 102 | return "Zqq waitpid surprise (#4.3.0)"; |
| 103 | if (wait_crashed(wstat)) |
| 104 | return "Zqq crashed (#4.3.0)"; |
| 105 | exitcode = wait_exitcode(wstat); |
| 106 | |
| 107 | switch(exitcode) { |
| 108 | case 115: /* compatibility */ |
| 109 | case 11: return "Denvelope address too long for qq (#5.1.3)"; |
| 110 | case 31: return "Dmail server permanently rejected message (#5.3.0)"; |
| 111 | case 51: return "Zqq out of memory (#4.3.0)"; |
| 112 | case 52: return "Zqq timeout (#4.3.0)"; |
| 113 | case 53: return "Zqq write error or disk full (#4.3.0)"; |
| 114 | case 0: if (!qq->flagerr) return ""; /* fall through */ |
| 115 | case 54: return "Zqq read error (#4.3.0)"; |
| 116 | case 55: return "Zqq unable to read configuration (#4.3.0)"; |
| 117 | case 56: return "Zqq trouble making network connection (#4.3.0)"; |
| 118 | case 61: return "Zqq trouble in home directory (#4.3.0)"; |
| 119 | case 63: |
| 120 | case 64: |
| 121 | case 65: |
| 122 | case 66: |
| 123 | case 62: return "Zqq trouble creating files in queue (#4.3.0)"; |
| 124 | case 71: return "Zmail server temporarily rejected message (#4.3.0)"; |
| 125 | case 72: return "Zconnection to mail server timed out (#4.4.1)"; |
| 126 | case 73: return "Zconnection to mail server rejected (#4.4.1)"; |
| 127 | case 74: return "Zcommunication with mail server failed (#4.4.2)"; |
| 128 | case 91: /* fall through */ |
| 129 | case 81: return "Zqq internal bug (#4.3.0)"; |
| 130 | case 120: return "Zunable to exec qq (#4.3.0)"; |
| 131 | default: |
| 132 | if ((exitcode >= 11) && (exitcode <= 40)) |
| 133 | return "Dqq permanent problem (#5.3.0)"; |
| 134 | return "Zqq temporary problem (#4.3.0)"; |
| 135 | } |
| 136 | } |