diff options
Diffstat (limited to 'contrib/sendmail/src/control.c')
| -rw-r--r-- | contrib/sendmail/src/control.c | 167 |
1 files changed, 108 insertions, 59 deletions
diff --git a/contrib/sendmail/src/control.c b/contrib/sendmail/src/control.c index b30c63f..c319192 100644 --- a/contrib/sendmail/src/control.c +++ b/contrib/sendmail/src/control.c @@ -8,18 +8,20 @@ * */ -#ifndef lint -static char id[] = "@(#)$Id: control.c,v 8.44.14.20 2001/05/03 17:24:03 gshapiro Exp $"; -#endif /* ! lint */ - #include <sendmail.h> +SM_RCSID("@(#)$Id: control.c,v 8.116 2001/12/13 21:51:38 gshapiro Exp $") + /* values for cmd_code */ -# define CMDERROR 0 /* bad command */ -# define CMDRESTART 1 /* restart daemon */ -# define CMDSHUTDOWN 2 /* end daemon */ -# define CMDHELP 3 /* help */ -# define CMDSTATUS 4 /* daemon status */ +#define CMDERROR 0 /* bad command */ +#define CMDRESTART 1 /* restart daemon */ +#define CMDSHUTDOWN 2 /* end daemon */ +#define CMDHELP 3 /* help */ +#define CMDSTATUS 4 /* daemon status */ +#define CMDMEMDUMP 5 /* dump memory, to find memory leaks */ +#if _FFR_CONTROL_MSTAT +# define CMDMSTAT 6 /* daemon status, more info, tagged data */ +#endif /* _FFR_CONTROL_MSTAT */ struct cmd { @@ -33,13 +35,18 @@ static struct cmd CmdTab[] = { "restart", CMDRESTART }, { "shutdown", CMDSHUTDOWN }, { "status", CMDSTATUS }, + { "memdump", CMDMEMDUMP }, +#if _FFR_CONTROL_MSTAT + { "mstat", CMDMSTAT }, +#endif /* _FFR_CONTROL_MSTAT */ { NULL, CMDERROR } }; + int ControlSocket = -1; - /* +/* ** OPENCONTROLSOCKET -- create/open the daemon control named socket ** ** Creates and opens a named socket for external control over @@ -55,13 +62,13 @@ int ControlSocket = -1; int opencontrolsocket() { -#if NETUNIX +# if NETUNIX int save_errno; int rval; long sff = SFF_SAFEDIRPATH|SFF_OPENASROOT|SFF_NOLINK|SFF_CREAT|SFF_MUSTOWN; struct sockaddr_un controladdr; - if (ControlSocketName == NULL) + if (ControlSocketName == NULL || *ControlSocketName == '\0') return 0; if (strlen(ControlSocketName) >= sizeof controladdr.sun_path) @@ -87,8 +94,8 @@ opencontrolsocket() (void) unlink(ControlSocketName); memset(&controladdr, '\0', sizeof controladdr); controladdr.sun_family = AF_UNIX; - (void) strlcpy(controladdr.sun_path, ControlSocketName, - sizeof controladdr.sun_path); + (void) sm_strlcpy(controladdr.sun_path, ControlSocketName, + sizeof controladdr.sun_path); if (bind(ControlSocket, (struct sockaddr *) &controladdr, sizeof controladdr) < 0) @@ -115,11 +122,11 @@ opencontrolsocket() sm_syslog(LOG_ALERT, NOQID, "ownership change on %s to uid %d failed: %s", ControlSocketName, (int) u, - errstring(save_errno)); + sm_errstring(save_errno)); message("050 ownership change on %s to uid %d failed: %s", ControlSocketName, (int) u, - errstring(save_errno)); - closecontrolsocket(TRUE); + sm_errstring(save_errno)); + closecontrolsocket(true); errno = save_errno; return -1; } @@ -128,7 +135,7 @@ opencontrolsocket() if (chmod(ControlSocketName, S_IRUSR|S_IWUSR) < 0) { save_errno = errno; - closecontrolsocket(TRUE); + closecontrolsocket(true); errno = save_errno; return -1; } @@ -136,14 +143,14 @@ opencontrolsocket() if (listen(ControlSocket, 8) < 0) { save_errno = errno; - closecontrolsocket(TRUE); + closecontrolsocket(true); errno = save_errno; return -1; } -#endif /* NETUNIX */ +# endif /* NETUNIX */ return 0; } - /* +/* ** CLOSECONTROLSOCKET -- close the daemon control named socket ** ** Close a named socket. @@ -160,7 +167,7 @@ void closecontrolsocket(fullclose) bool fullclose; { -#if NETUNIX +# if NETUNIX long sff = SFF_SAFEDIRPATH|SFF_OPENASROOT|SFF_NOLINK|SFF_CREAT|SFF_MUSTOWN; if (ControlSocket >= 0) @@ -184,14 +191,14 @@ closecontrolsocket(fullclose) { sm_syslog(LOG_WARNING, NOQID, "Could not remove control socket: %s", - errstring(errno)); + sm_errstring(errno)); return; } } -#endif /* NETUNIX */ +# endif /* NETUNIX */ return; } - /* +/* ** CLRCONTROL -- reset the control connection ** ** Parameters: @@ -207,16 +214,13 @@ closecontrolsocket(fullclose) void clrcontrol() { -#if NETUNIX +# if NETUNIX if (ControlSocket >= 0) (void) close(ControlSocket); ControlSocket = -1; -#endif /* NETUNIX */ +# endif /* NETUNIX */ } - -#ifndef NOT_SENDMAIL - - /* +/* ** CONTROL_COMMAND -- read and process command from named socket ** ** Read and process the command from the opened socket. @@ -232,6 +236,7 @@ clrcontrol() static jmp_buf CtxControlTimeout; +/* ARGSUSED0 */ static void controltimeout(timeout) time_t timeout; @@ -252,17 +257,17 @@ control_command(sock, e) ENVELOPE *e; { volatile int exitstat = EX_OK; - FILE *s = NULL; - EVENT *ev = NULL; - FILE *traffic; - FILE *oldout; + SM_FILE_T *s = NULL; + SM_EVENT *ev = NULL; + SM_FILE_T *traffic; + SM_FILE_T *oldout; char *cmd; char *p; struct cmd *c; char cmdbuf[MAXLINE]; char inp[MAXLINE]; - sm_setproctitle(FALSE, e, "control cmd read"); + sm_setproctitle(false, e, "control cmd read"); if (TimeOuts.to_control > 0) { @@ -274,11 +279,12 @@ control_command(sock, e) "timeout waiting for input during control command"); exit(EX_IOERR); } - ev = setevent(TimeOuts.to_control, controltimeout, - TimeOuts.to_control); + ev = sm_setevent(TimeOuts.to_control, controltimeout, + TimeOuts.to_control); } - s = fdopen(sock, "r+"); + s = sm_io_open(SmFtStdiofd, SM_TIME_DEFAULT, (void *) &sock, + SM_IO_RDWR, NULL); if (s == NULL) { int save_errno = errno; @@ -287,19 +293,20 @@ control_command(sock, e) errno = save_errno; exit(EX_IOERR); } - setbuf(s, NULL); + (void) sm_io_setvbuf(s, SM_TIME_DEFAULT, NULL, + SM_IO_NBF, SM_IO_BUFSIZ); - if (fgets(inp, sizeof inp, s) == NULL) + if (sm_io_fgets(s, SM_TIME_DEFAULT, inp, sizeof inp) == NULL) { - (void) fclose(s); + (void) sm_io_close(s, SM_TIME_DEFAULT); exit(EX_IOERR); } - (void) fflush(s); + (void) sm_io_flush(s, SM_TIME_DEFAULT); /* clean up end of line */ - fixcrlf(inp, TRUE); + fixcrlf(inp, true); - sm_setproctitle(FALSE, e, "control: %s", inp); + sm_setproctitle(false, e, "control: %s", inp); /* break off command */ for (p = inp; isascii(*p) && isspace(*p); p++) @@ -318,7 +325,7 @@ control_command(sock, e) /* decode command */ for (c = CmdTab; c->cmd_name != NULL; c++) { - if (strcasecmp(c->cmd_name, cmdbuf) == 0) + if (sm_strcasecmp(c->cmd_name, cmdbuf) == 0) break; } @@ -335,45 +342,87 @@ control_command(sock, e) break; case CMDRESTART: /* restart the daemon */ - fprintf(s, "OK\r\n"); + (void) sm_io_fprintf(s, SM_TIME_DEFAULT, "OK\r\n"); exitstat = EX_RESTART; break; case CMDSHUTDOWN: /* kill the daemon */ - fprintf(s, "OK\r\n"); + (void) sm_io_fprintf(s, SM_TIME_DEFAULT, "OK\r\n"); exitstat = EX_SHUTDOWN; break; case CMDSTATUS: /* daemon status */ proc_list_probe(); { + int qgrp; long bsize; long free; - free = freediskspace(QueueDir, &bsize); + /* XXX need to deal with different partitions */ + qgrp = e->e_qgrp; + if (!ISVALIDQGRP(qgrp)) + qgrp = 0; + free = freediskspace(Queue[qgrp]->qg_qdir, &bsize); /* ** Prevent overflow and don't lose ** precision (if bsize == 512) */ - free = (long)((double)free * ((double)bsize / 1024)); + if (free > 0) + free = (long)((double) free * + ((double) bsize / 1024)); - fprintf(s, "%d/%d/%ld/%d\r\n", - CurChildren, MaxChildren, - free, sm_getla(NULL)); + (void) sm_io_fprintf(s, SM_TIME_DEFAULT, + "%d/%d/%ld/%d\r\n", + CurChildren, MaxChildren, + free, getla()); } - proc_list_display(s); + proc_list_display(s, ""); + break; + +# if _FFR_CONTROL_MSTAT + case CMDMSTAT: /* daemon status, extended, tagged format */ + proc_list_probe(); + (void) sm_io_fprintf(s, SM_TIME_DEFAULT, + "C:%d\r\nM:%d\r\nL:%d\r\n", + CurChildren, MaxChildren, + getla()); + printnqe(s, "Q:"); + disk_status(s, "D:"); + proc_list_display(s, "P:"); + break; +# endif /* _FFR_CONTROL_MSTAT */ + + case CMDMEMDUMP: /* daemon memory dump, to find memory leaks */ +# if SM_HEAP_CHECK + /* dump the heap, if we are checking for memory leaks */ + if (sm_debug_active(&SmHeapCheck, 2)) + { + sm_heap_report(s, sm_debug_level(&SmHeapCheck) - 1); + } + else + { + (void) sm_io_fprintf(s, SM_TIME_DEFAULT, + "Memory dump unavailable.\r\n"); + (void) sm_io_fprintf(s, SM_TIME_DEFAULT, + "To fix, run sendmail with -dsm_check_heap.4\r\n"); + } +# else /* SM_HEAP_CHECK */ + (void) sm_io_fprintf(s, SM_TIME_DEFAULT, + "Memory dump unavailable.\r\n"); + (void) sm_io_fprintf(s, SM_TIME_DEFAULT, + "To fix, rebuild with -DSM_HEAP_CHECK\r\n"); +# endif /* SM_HEAP_CHECK */ break; case CMDERROR: /* unknown command */ - fprintf(s, "Bad command (%s)\r\n", cmdbuf); + (void) sm_io_fprintf(s, SM_TIME_DEFAULT, + "Bad command (%s)\r\n", cmdbuf); break; } - (void) fclose(s); + (void) sm_io_close(s, SM_TIME_DEFAULT); if (ev != NULL) - clrevent(ev); + sm_clrevent(ev); exit(exitstat); } -#endif /* ! NOT_SENDMAIL */ - |
