Implementing sysfs SCSI scaning

1 files changed, 52 insertions, 0 deletions

diff --git a/src/bus.c b/src/bus.c
index 2515b0d..1b96b25 100644
--- a/src/bus.c
+++ b/src/bus.c
@@ -26,11 +26,63 @@
 #include <unistd.h>
 #include <linux/fs.h>
 #include <sys/ioctl.h>
+#include <errno.h>
+#include <dirent.h>
 #include "netnuke.h"
 
 extern char* scsi_device_glob[];
 extern char* ide_device_glob[];
 
+int scanbus_sysfs(nndevice_t** device)
+{
+    char tmpstr[128];
+    const char* scsi_path = "/sys/class/scsi_disk";
+    DIR *pdir;
+    struct dirent *pdent;
+    DIR *pbdir;
+    struct dirent *pbent;
+
+    /* scan for scsi devices via sysfs */
+    if((access(scsi_path, F_OK)) != 0)
+    {
+        COM(self, "Sysfs not available\n");
+        return 1;
+    }
+
+    pdir = opendir(scsi_path);
+    if(!pdir)
+    {
+        COM(self, "fatal opendir: %s\n", strerror(errno));
+        exit(1);
+    }
+
+    while((pdent = readdir(pdir)))
+    {
+        if(!strncasecmp(pdent->d_name, ".", 1) || !strncasecmp(pdent->d_name, "..", 2))
+            continue;
+
+        sprintf(tmpstr, "%s/%s/device/block", scsi_path, pdent->d_name);
+        pbdir = opendir(tmpstr);
+        if(!pbdir)
+        {
+            COM(self, "fatal opendir: %s\n", strerror(errno));
+            exit(1);
+        }
+
+        while((pbent = readdir(pbdir)))
+        {
+            if(!strncasecmp(pbent->d_name, ".", 1) || !strncasecmp(pbent->d_name, "..", 2))
+                continue;
+
+            printf("%s - %s\n", pdent->d_name, pbent->d_name);
+        }
+        closedir(pbdir);
+    }
+    closedir(pdir);
+
+    return 0;
+}
+
 int scanbus(nndevice_t** device, int mask)
 {
     int fd = -1;