more startup sanity checks

Signed-off-by: Michael Krelin <hacker@klever.net>

2 files changed, 12 insertions, 0 deletions

diff --git a/NEWS.xml b/NEWS.xml
index e37cd46..0c6ff09 100644
--- a/NEWS.xml
+++ b/NEWS.xml
@@ -3,6 +3,7 @@
  <version version="" date="">
   <ni>optimized integrity digest calculation memory usage</ni>
   <ni>report the lack of config file for the card</ni>
+  <ni>do some startup checks for config files</ni>
   <ni>Extended list of supported file types</ni>
   <ni>minor bugfixes</ni>
  </version>
diff --git a/src/iiid.cc b/src/iiid.cc
index c026050..d655fe3 100644
--- a/src/iiid.cc
+++ b/src/iiid.cc
@@ -1,5 +1,7 @@
 #include <syslog.h>
 #include <getopt.h>
+#include <sys/stat.h>
+#include <glob.h>
 #include <iostream>
 #include <cassert>
 #include <stdexcept>
@@ -74,6 +76,15 @@ int main(int argc,char **argv) try {
     openlog(ident,LOG_PERROR|LOG_PID,LOG_DAEMON);
     syslog(LOG_INFO,"Starting iii eye-fi manager");
 
+    struct stat st;
+    if(stat(EYEKIN_CONF_DIR,&st) || !S_ISDIR(st.st_mode))
+        syslog(LOG_WARNING,"configuration directory '%s' does not exist or is not a directory",EYEKIN_CONF_DIR);
+    glob_t g; int rg = glob(EYEKIN_CONF_DIR"/????????????.conf",GLOB_NOSORT,NULL,&g);
+    if(rg || !g.gl_pathc)
+        syslog(LOG_WARNING,"I see nothing resembling a card config in '%s'",EYEKIN_CONF_DIR);
+    else
+        globfree(&g);
+
     eyefiworker().run(port);
 
     closelog();