A few pieces of the future s6-rcd server

1 files changed, 35 insertions, 0 deletions

diff --git a/src/server/livesubdir_create.c b/src/server/livesubdir_create.c
new file mode 100644
index 0000000..ff989aa
--- /dev/null
+++ b/src/server/livesubdir_create.c
@@ -0,0 +1,35 @@
+/* ISC license. */
+
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+
+#include <skalibs/djbunix.h>
+
+#include "s6rcd.h"
+
+int s6rcd_livesubdir_create (char *name, char const *live, char const *compiled)
+{
+  size_t llen = strlen(live) ;
+  size_t clen = strlen(compiled) ;
+  char cfn[clen + 13] ;
+  char lfn[llen + 25] ;
+  memcpy(lfn, live, llen) ;
+  memcpy(lfn + llen, "/live:XXXXXX", 13) ;
+  if (!mkdtemp(lfn)) return 0 ;
+
+  memcpy(lfn + llen + 12, "/compiled", 10) ;
+  if (symlink(compiled, lfn) < 0) return 0 ;
+    strerr_diefu4sys(111, "symlink ", compiled, " to ", realfn + llen + 1) ;
+
+  memcpy(cfn, compiled, clen) ;
+  memcpy(cfn + clen, "/servicedirs", 13) ;
+  memcpy(lfn + llen + 13, "servicedirs", 12) ;
+  if (!hiercopy(cfn, lfn)) return 0 ;
+
+  lfn[llen + 12] = 0 ;
+  if (chmod(lfn, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) < 0) return 0 ;
+  memcpy(name, lfn + llen + 1, 12) ;
+  return 1 ;
+}