summaryrefslogtreecommitdiff
path: root/src/conn-tools/s6-tcpserver.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/conn-tools/s6-tcpserver.c')
-rw-r--r--src/conn-tools/s6-tcpserver.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/src/conn-tools/s6-tcpserver.c b/src/conn-tools/s6-tcpserver.c
new file mode 100644
index 0000000..fcbf4f2
--- /dev/null
+++ b/src/conn-tools/s6-tcpserver.c
@@ -0,0 +1,71 @@
+/* ISC license. */
+
+#include <skalibs/uint.h>
+#include <skalibs/sgetopt.h>
+#include <skalibs/strerr2.h>
+#include <skalibs/djbunix.h>
+#include <skalibs/ip46.h>
+#include <s6-networking/config.h>
+
+#define USAGE "s6-tcpserver [ -q | -Q | -v ] [ -1 ] [ -4 | -6 ] [ -c maxconn ] [ -C localmaxconn ] [ -b backlog ] [ -G gid,gid,... ] [ -g gid ] [ -u uid ] [ -U ] ip port prog..."
+#define dieusage() strerr_dieusage(100, USAGE)
+
+int main (int argc, char const *const *argv, char const *const *envp)
+{
+ char const *newargv[2 + (argc << 1)] ;
+ char const *path ;
+ unsigned int m = 3 ;
+ int what = 0 ;
+ unsigned int verbosity = 1 ;
+ char fmtv[UINT_FMT] ;
+ PROG = "s6-tcpserver" ;
+ newargv[1] = "-v" ;
+ newargv[2] = fmtv ;
+ {
+ subgetopt_t l = SUBGETOPT_ZERO ;
+ for (;;)
+ {
+ register int opt = subgetopt_r(argc, argv, "qQv146Uc:C:b:u:g:G:", &l) ;
+ if (opt == -1) break ;
+ switch (opt)
+ {
+ case '4' : if (what) dieusage() ; what = 4 ; break ;
+ case '6' : if (what) dieusage() ; what = 6 ; break ;
+ case 'q' : verbosity = 0 ; break ;
+ case 'Q' : verbosity = 1 ; break ;
+ case 'v' : verbosity = 2 ; break ;
+ case '1' : newargv[m++] = "-1" ; break ;
+ case 'U' : newargv[m++] = "-U" ; break ;
+ case 'c' : newargv[m++] = "-c" ; newargv[m++] = l.arg ; break ;
+ case 'C' : newargv[m++] = "-C" ; newargv[m++] = l.arg ; break ;
+ case 'b' : newargv[m++] = "-b" ; newargv[m++] = l.arg ; break ;
+ case 'u' : newargv[m++] = "-u" ; newargv[m++] = l.arg ; break ;
+ case 'g' : newargv[m++] = "-g" ; newargv[m++] = l.arg ; break ;
+ case 'G' : newargv[m++] = "-G" ; newargv[m++] = l.arg ; break ;
+ default : dieusage() ;
+ }
+ }
+ argc -= l.ind ; argv += l.ind ;
+ }
+ if (argc < 3) dieusage() ;
+ fmtv[uint_fmt(fmtv, verbosity)] = 0 ;
+ newargv[m++] = 0 ;
+ if (!what)
+ {
+ ip46_t ip ;
+ if (!ip46_scan(argv[0], &ip)) dieusage() ;
+ what = ip46_is6(&ip) ? 6 : 4 ;
+ }
+ if (what == 6)
+ {
+ newargv[0] = "s6-tcpserver6" ;
+ path = S6_NETWORKING_BINPREFIX "s6-tcpserver6" ;
+ }
+ else
+ {
+ newargv[0] = "s6-tcpserver4" ;
+ path = S6_NETWORKING_BINPREFIX "s6-tcpserver4" ;
+ }
+ pathexec_run(path, newargv, envp) ;
+ strerr_dieexec(111, path) ;
+}