#include <mLib/daemonize.h>
#include <mLib/darray.h>
#include <mLib/dstr.h>
+#include <mLib/macros.h>
+#include <mLib/mdup.h>
#include <mLib/mdwopt.h>
#include <mLib/quis.h>
#include <mLib/report.h>
static const char *logname = 0;
static FILE *logfp = 0;
static unsigned f = 0;
+static const char *watch = 0;
static int fd;
static const char *bgtag = 0;
#define f_noinput 64u
#define f_warn 128u
#define f_uclose 256u
+#define f_losing 512u
+#define f_nostamp 1024u
/*----- Main code ---------------------------------------------------------*/
char buf[256];
time_t t = time(0);
struct tm *tm = localtime(&t);
- strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", tm);
- fprintf(logfp, "%s %s: %s\n", buf, cat, msg);
+ if (f & f_nostamp) buf[0] = 0;
+ else strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S ", tm);
+ fprintf(logfp, "%s%s: %s\n", buf, cat, msg);
}
static void checkbg(char **p)
die(EXIT_FAILURE, "unexpected background tag `%s'", q);
}
-static void dolog(int prio, const char *msg, ...)
+static void PRINTF_LIKE(2, 3) dolog(int prio, const char *msg, ...)
{
va_list ap;
dstr d = DSTR_INIT;
if (!p) {
if (f & f_command)
die(EXIT_FAILURE, "server dropped the connection");
+ f &= ~f_losing;
exit(0);
}
q = str_getword(&p);
if (!q)
return;
if (strcmp(q, "WARN") == 0)
- dolog(LOG_WARNING, p);
+ dolog(LOG_WARNING, "%s", p);
else if (strcmp(q, "TRACE") == 0)
- dolog(LOG_DEBUG, p);
+ dolog(LOG_DEBUG, "%s", p);
else if (!(f & f_command))
dolog(LOG_ERR, "unexpected output `%s %s'", q, p);
else if (strcmp(q, "FAIL") == 0) {
{
FILE *fp;
- if ((fp = fopen(name, "a")) != 0) {
+ if (strcmp(name, "-") == 0)
+ logfp = stdout;
+ else if (strcmp(name, "!") == 0)
+ logfp = stderr;
+ else if ((fp = fopen(name, "a")) != 0) {
if (logfp)
fclose(logfp);
logfp = fp;
if (logfp)
writelog("error", d.buf);
else if (logname)
- die(EXIT_FAILURE, d.buf);
+ die(EXIT_FAILURE, "%s", d.buf);
if (f & f_syslog)
syslog(LOG_ERR, "%s", d.buf);
dstr_destroy(&d);
static void sigdie(int sig)
{ cleanup(); signal(sig, SIG_DFL); raise(sig); }
-static void putarg(string_v *av, const char *fmt, ...)
+static void PRINTF_LIKE(2, 3) putarg(string_v *av, const char *fmt, ...)
{
va_list ap;
dstr d = DSTR_INIT;
\n\
-l, --syslog Log messages to system log.\n\
-f, --logfile=FILE Log messages to FILE.\n\
+-t, --no-timestamp When logging to a file, don't emit timestamps.\n\
-w, --warnings Show warnings when running commands.\n\
+-W, --watch=THINGS Watch for THINGS after connecting.\n\
", fp);
}
uid_t u = -1;
gid_t g = -1;
int pfd[2], efd[2];
+ mdup_fd md[3];
pid_t kid;
struct sigaction sa;
sigset_t newmask, oldmask;
{ "spawn-args", OPTF_ARGREQ, 0, 'S' },
{ "syslog", 0, 0, 'l' },
{ "logfile", OPTF_ARGREQ, 0, 'f' },
+ { "no-timestamp", 0, 0, 't' },
{ "warnings", 0, 0, 'w' },
+ { "watch", OPTF_ARGREQ, 0, 'W' },
{ "pidfile", OPTF_ARGREQ, 0, 'P' },
{ 0, 0, 0, 0 }
};
- i = mdwopt(argc, argv, "+hvuDU:G:d:a:sp:S:lwf:nP:", opts, 0, 0, 0);
+ i = mdwopt(argc, argv, "+hvuDU:G:d:a:sp:S:lwW:f:nP:t", opts, 0, 0, 0);
if (i < 0)
break;
switch (i) {
case 'w':
f |= f_warn;
break;
+ case 'W':
+ watch = optarg;
+ break;
case 'f':
logname = optarg;
f |= f_noinput;
break;
+ case 't':
+ f |= f_nostamp;
+ break;
case 'P':
pidfile = optarg;
break;
die(EXIT_FAILURE, "couldn't set `%s' as current directory: %s",
dir, strerror(errno));
}
- if (logname)
- logfile(logname);
if (!pidfile && (f & f_daemon) && ((f & f_syslog) || logname))
pidfile = "tripectl.pid";
if (pidfile && (pidfp = fopen(pidfile, "w")) == 0) {
if ((kid = fork()) < 0)
die(EXIT_FAILURE, "fork failed: %s", strerror(errno));
if (!kid) {
- dup2(pfd[1], STDIN_FILENO);
- dup2(pfd[1], STDOUT_FILENO);
- dup2(efd[1], STDERR_FILENO);
- close(pfd[0]); close(pfd[1]);
- close(efd[0]); close(efd[1]);
- if (logfp) fclose(logfp);
+ close(pfd[0]); close(efd[0]);
+ sigprocmask(SIG_SETMASK, &oldmask, 0);
+ md[0].cur = pfd[1]; md[0].want = STDIN_FILENO;
+ md[1].cur = pfd[1]; md[1].want = STDOUT_FILENO;
+ md[2].cur = efd[1]; md[2].want = STDERR_FILENO;
+ mdup(md, 3);
if (pidfp) fclose(pidfp);
closelog();
if (f & f_daemon) detachtty();
}
}
+ f |= f_losing; /* pessimism */
u_setugid(u, g);
+ if (logname)
+ logfile(logname);
if (f & f_daemon) {
if (daemonize())
die(EXIT_FAILURE, "error becoming daemon: %s", strerror(errno));
/* --- If we're meant to be interactive, do that --- */
- if (optind == argc)
- setup("WATCH -A+tw");
+ if (optind == argc) {
+ DRESET(&d);
+ dstr_puts(&d, "watch");
+ u_quotify(&d, watch ? watch : "-A+tw");
+ setup(d.buf);
+ }
if (!(f & f_noinput) && optind == argc) {
selbuf_init(&bu, &sel, STDIN_FILENO, uline, &bu);
selbuf_init(&bs, &sel, fd, sline, &bs);
/* --- If there's a command, submit it --- */
if (optind < argc) {
- setup((f & f_warn) ? "WATCH -A+w" : "WATCH -A");
+ DRESET(&d);
+ dstr_puts(&d, "watch");
+ u_quotify(&d, watch ? watch : (f & f_warn) ? "-A+w" : "-A");
+ setup(d.buf);
+ DRESET(&d);
while (optind < argc)
u_quotify(&d, argv[optind++]);
dstr_putc(&d, '\n');