new upstream release (3.3.0); modify package compatibility for Stretch
[ossec-hids.git] / src / shared / file_op.c
old mode 100755 (executable)
new mode 100644 (file)
index d7860a1..325e2d2
@@ -1,6 +1,3 @@
-/* @(#) $Id: ./src/shared/file_op.c, 2011/09/08 dcid Exp $
- */
-
 /* Copyright (C) 2009 Trend Micro Inc.
  * All rights reserved.
  *
  * Foundation
  */
 
-
 /* Functions to handle operation with files
  */
 
+#include <errno.h>
+#include <string.h>
 
 #include "shared.h"
 
 #ifndef WIN32
 #include <libgen.h>
+#else
+#include <aclapi.h>
 #endif
 
-/* Vista product information. */
+/* Vista product information */
 #ifdef WIN32
 #ifndef PRODUCT_UNLICENSED
 #define PRODUCT_UNLICENSED 0xABCDABCD
 #endif /* WIN32 */
 
 #ifdef WIN32
-#include <accctrl.h>
-#include <aclapi.h>
-#include <shlwapi.h>
+#define mkstemp(x) 0
 #endif
 
+const char *__local_name = "unset";
 
-/* Sets the name of the starting program */
-void OS_SetName(char *name)
+/* Set the name of the starting program */
+void OS_SetName(const char *name)
 {
     __local_name = name;
     return;
 }
 
-
-int File_DateofChange(char *file)
+time_t File_DateofChange(const char *file)
 {
     struct stat file_status;
 
-    if(stat(file, &file_status) < 0)
-        return(-1);
+    if (stat(file, &file_status) < 0) {
+        return (-1);
+    }
 
     return (file_status.st_mtime);
 }
 
-int IsDir(char *file)
+int IsDir(const char *file)
 {
     struct stat file_status;
-    if(stat(file,&file_status) < 0)
-        return(-1);
-    if(S_ISDIR(file_status.st_mode))
-        return(0);
-    return(-1);
+    if (stat(file, &file_status) < 0) {
+        return (-1);
+    }
+    if (S_ISDIR(file_status.st_mode)) {
+        return (0);
+    }
+    return (-1);
 }
 
-
-int CreatePID(char *name, int pid)
+int CreatePID(const char *name, int pid)
 {
     char file[256];
     FILE *fp;
 
-    if(isChroot())
-    {
-        snprintf(file,255,"%s/%s-%d.pid",OS_PIDFILE,name,pid);
-    }
-    else
-    {
-        snprintf(file,255,"%s%s/%s-%d.pid",DEFAULTDIR,
-                OS_PIDFILE,name,pid);
+    if (isChroot()) {
+        snprintf(file, 255, "%s/%s-%d.pid", OS_PIDFILE, name, pid);
+    } else {
+        snprintf(file, 255, "%s%s/%s-%d.pid", DEFAULTDIR,
+                 OS_PIDFILE, name, pid);
     }
 
-    fp = fopen(file,"a");
-    if(!fp)
-        return(-1);
+    fp = fopen(file, "a");
+    if (!fp) {
+        return (-1);
+    }
 
-    fprintf(fp,"%d\n",pid);
+    fprintf(fp, "%d\n", pid);
 
-    chmod(file, 0640);
+    if (chmod(file, 0640) != 0) {
+        fclose(fp);
+        return (-1);
+    }
 
     fclose(fp);
 
-    return(0);
+    return (0);
 }
 
-int DeletePID(char *name)
+char *GetRandomNoise()
 {
-    char file[256];
+    FILE *fp;
+    char buf[2048 + 1];
+    size_t frr = 0;
 
-    if(isChroot())
+    /* Reading urandom */
+    fp = fopen("/dev/urandom", "r");
+    if(!fp)
     {
-        snprintf(file,255,"%s/%s-%d.pid",OS_PIDFILE,name,(int)getpid());
+        return(NULL);
     }
-    else
-    {
-        snprintf(file,255,"%s%s/%s-%d.pid",DEFAULTDIR,
-                OS_PIDFILE,name,(int)getpid());
+
+    buf[2048] = '\0';
+    frr = fread(buf, 1, 2048, fp);
+    if(frr == 0) {
+        merror("ERROR: GetRandomNoise() fread() returned 0.");
+        fclose(fp);
+        return(NULL);
     }
+    buf[2048] = '\0';
+    fclose(fp);
+    return(strdup(buf));
+}
 
-    if(File_DateofChange(file) < 0)
-        return(-1);
+int DeletePID(const char *name)
+{
+    char file[256];
 
-    unlink(file);
+    if (isChroot()) {
+        snprintf(file, 255, "%s/%s-%d.pid", OS_PIDFILE, name, (int)getpid());
+    } else {
+        snprintf(file, 255, "%s%s/%s-%d.pid", DEFAULTDIR,
+                 OS_PIDFILE, name, (int)getpid());
+    }
 
-    return(0);
-}
+    if (File_DateofChange(file) < 0) {
+        return (-1);
+    }
+
+    if (unlink(file)) {
+        log2file(
+            DELETE_ERROR,
+            __local_name,
+            file,
+            errno,
+            strerror(errno)
+        );
+    }
 
+    return (0);
+}
 
-int UnmergeFiles(char *finalpath, char *optdir)
+int UnmergeFiles(const char *finalpath, const char *optdir)
 {
-    int i = 0, n = 0, ret = 1;
-    long files_size = 0;
-
+    int ret = 1;
+    size_t i = 0, n = 0, files_size = 0;
     char *files;
-    char final_name[2048 +1];
+    char final_name[2048 + 1];
     char buf[2048 + 1];
     FILE *fp;
     FILE *finalfp;
 
     finalfp = fopen(finalpath, "r");
-    if(!finalfp)
-    {
+    if (!finalfp) {
         merror("%s: ERROR: Unable to read merged file: '%s'.",
-                __local_name, finalpath);
-        return(0);
+               __local_name, finalpath);
+        return (0);
     }
 
-    while(1)
-    {
-        /* Reading header portion. */
-        if(fgets(buf, sizeof(buf) -1, finalfp) == NULL)
-        {
+    while (1) {
+        /* Read header portion */
+        if (fgets(buf, sizeof(buf) - 1, finalfp) == NULL) {
             break;
         }
 
-
-        /* Initiator. */
-        if(buf[0] != '!')
+        /* Initiator */
+        if (buf[0] != '!') {
             continue;
+        }
 
-
-        /* Getting file size and name. */
-        files_size = atol(buf +1);
+        /* Get file size and name */
+        files_size = (size_t) atol(buf + 1);
 
         files = strchr(buf, '\n');
-        if(files)
+        if (files) {
             *files = '\0';
+        }
 
         files = strchr(buf, ' ');
-        if(!files)
-        {
+        if (!files) {
             ret = 0;
             continue;
         }
         files++;
 
-
-        if(optdir)
-        {
+        if (optdir) {
             snprintf(final_name, 2048, "%s/%s", optdir, files);
-        }
-        else
-        {
+        } else {
             strncpy(final_name, files, 2048);
             final_name[2048] = '\0';
         }
 
-
-        /* Opening file name. */
-        fp = fopen(final_name,"w");
-        if(!fp)
-        {
+        /* Open filename */
+        fp = fopen(final_name, "w");
+        if (!fp) {
             ret = 0;
-            merror("%s: ERROR: Unable to unmerge file '%s'.",
-                    __local_name, final_name);
+            merror("%s: ERROR: Unable to unmerge file '%s': %s",
+                   __local_name, final_name, strerror(errno));
         }
 
-
-        if(files_size < sizeof(buf) -1)
-        {
+        if (files_size < sizeof(buf) - 1) {
             i = files_size;
             files_size = 0;
-        }
-        else
-        {
-            i = sizeof(buf) -1;
-            files_size -= sizeof(buf) -1;
+        } else {
+            i = sizeof(buf) - 1;
+            files_size -= sizeof(buf) - 1;
         }
 
-        while((n = fread(buf, 1, i, finalfp)) > 0)
-        {
+        while ((n = fread(buf, 1, i, finalfp)) > 0) {
             buf[n] = '\0';
 
-            if(fp)
-            {
+            if (fp) {
                 fwrite(buf, n, 1, fp);
             }
 
-            if(files_size == 0)
-            {
+            if (files_size == 0) {
                 break;
-            }
-            else
-            {
-                if(files_size < sizeof(buf) -1)
-                {
+            } else {
+                if (files_size < sizeof(buf) - 1) {
                     i = files_size;
                     files_size = 0;
-                }
-                else
-                {
-                    i = sizeof(buf) -1;
-                    files_size -= sizeof(buf) -1;
+                } else {
+                    i = sizeof(buf) - 1;
+                    files_size -= sizeof(buf) - 1;
                 }
             }
         }
 
-        if(fp)
+        if (fp) {
             fclose(fp);
+        }
     }
 
     fclose(finalfp);
-    return(ret);
+    return (ret);
 }
 
-
-int MergeAppendFile(char *finalpath, char *files)
+int MergeAppendFile(const char *finalpath, const char *files)
 {
-    int n = 0;
+    size_t n = 0;
     long files_size = 0;
-
     char buf[2048 + 1];
-    char *tmpfile;
+    const char *tmpfile;
     FILE *fp;
     FILE *finalfp;
 
-
-    /* Creating a new entry. */
-    if(files == NULL)
-    {
+    /* Create a new entry */
+    if (files == NULL) {
         finalfp = fopen(finalpath, "w");
-        if(!finalfp)
-        {
+        if (!finalfp) {
             merror("%s: ERROR: Unable to create merged file: '%s'.",
-                    __local_name, finalpath);
-            return(0);
+                   __local_name, finalpath);
+            return (0);
         }
         fclose(finalfp);
 
-        return(1);
+        return (1);
     }
 
-
     finalfp = fopen(finalpath, "a");
-    if(!finalfp)
-    {
+    if (!finalfp) {
         merror("%s: ERROR: Unable to append merged file: '%s'.",
-                __local_name, finalpath);
-        return(0);
+               __local_name, finalpath);
+        return (0);
     }
 
-
-    fp = fopen(files,"r");
-    if(!fp)
-    {
+    fp = fopen(files, "r");
+    if (!fp) {
         merror("%s: ERROR: Unable to merge file '%s'.", __local_name, files);
         fclose(finalfp);
-        return(0);
+        return (0);
     }
 
-
     fseek(fp, 0, SEEK_END);
     files_size = ftell(fp);
 
     tmpfile = strrchr(files, '/');
-    if(tmpfile)
-    {
+    if (tmpfile) {
         tmpfile++;
-    }
-    else
-    {
+    } else {
         tmpfile = files;
     }
     fprintf(finalfp, "!%ld %s\n", files_size, tmpfile);
 
     fseek(fp, 0, SEEK_SET);
 
-    while((n = fread(buf, 1, sizeof(buf) -1, fp)) > 0)
-    {
+    while ((n = fread(buf, 1, sizeof(buf) - 1, fp)) > 0) {
         buf[n] = '\0';
         fwrite(buf, n, 1, finalfp);
     }
@@ -572,14 +567,13 @@ int MergeAppendFile(char *finalpath, char *files)
     fclose(fp);
 
     fclose(finalfp);
-    return(1);
+    return (1);
 }
 
-
-
-int MergeFiles(char *finalpath, char **files)
+int MergeFiles(const char *finalpath, char **files)
 {
-    int i = 0, n = 0, ret = 1;
+    int i = 0, ret = 1;
+    size_t n = 0;
     long files_size = 0;
 
     char *tmpfile;
@@ -588,18 +582,15 @@ int MergeFiles(char *finalpath, char **files)
     FILE *finalfp;
 
     finalfp = fopen(finalpath, "w");
-    if(!finalfp)
-    {
+    if (!finalfp) {
         merror("%s: ERROR: Unable to create merged file: '%s'.",
                __local_name, finalpath);
-        return(0);
+        return (0);
     }
 
-    while(files[i])
-    {
-        fp = fopen(files[i],"r");
-        if(!fp)
-        {
+    while (files[i]) {
+        fp = fopen(files[i], "r");
+        if (!fp) {
             merror("%s: ERROR: Unable to merge file '%s'.", __local_name, files[i]);
             i++;
             ret = 0;
@@ -609,23 +600,18 @@ int MergeFiles(char *finalpath, char **files)
         fseek(fp, 0, SEEK_END);
         files_size = ftell(fp);
 
-        /* Removing last entry. */
+        /* Remove last entry */
         tmpfile = strrchr(files[i], '/');
-        if(tmpfile)
-        {
+        if (tmpfile) {
             tmpfile++;
-        }
-        else
-        {
+        } else {
             tmpfile = files[i];
         }
 
         fprintf(finalfp, "!%ld %s\n", files_size, tmpfile);
 
         fseek(fp, 0, SEEK_SET);
-
-        while((n = fread(buf, 1, sizeof(buf) -1, fp)) > 0)
-        {
+        while ((n = fread(buf, 1, sizeof(buf) - 1, fp)) > 0) {
             buf[n] = '\0';
             fwrite(buf, n, 1, finalfp);
         }
@@ -635,7 +621,7 @@ int MergeFiles(char *finalpath, char **files)
     }
 
     fclose(finalfp);
-    return(ret);
+    return (ret);
 }
 
 
@@ -714,208 +700,159 @@ int mkstemp_ex(char *tmp_path)
 }
 
 
-
-/* getuname; Get uname and returns a string with it.
- * Memory must be freed after use
- */
+/* Get uname. Memory must be freed after use */
 char *getuname()
 {
     struct utsname uts_buf;
 
-    if(uname(&uts_buf) >= 0)
-    {
+    if (uname(&uts_buf) >= 0) {
         char *ret;
 
-        ret = calloc(256, sizeof(char));
-        if(ret == NULL)
-            return(NULL);
+        ret = (char *) calloc(512, sizeof(char));
+        if (ret == NULL) {
+            return (NULL);
+        }
 
-        snprintf(ret, 255, "%s %s %s %s %s - %s %s",
-                                 uts_buf.sysname,
-                                 uts_buf.nodename,
-                                 uts_buf.release,
-                                 uts_buf.version,
-                                 uts_buf.machine,
-                                 __ossec_name, __version);
+        snprintf(ret, 511, "%s %s %s %s %s - %s %s",
+                 uts_buf.sysname,
+                 uts_buf.nodename,
+                 uts_buf.release,
+                 uts_buf.version,
+                 uts_buf.machine,
+                 __ossec_name, __version);
 
-        return(ret);
-    }
-    else
-    {
+        return (ret);
+    } else {
         char *ret;
-        ret = calloc(256, sizeof(char));
-        if(ret == NULL)
-            return(NULL);
+        ret = (char *) calloc(512, sizeof(char));
+        if (ret == NULL) {
+            return (NULL);
+        }
 
-        snprintf(ret, 255, "No system info available -  %s %s",
-                           __ossec_name, __version);
+        snprintf(ret, 511, "No system info available -  %s %s",
+                 __ossec_name, __version);
 
-        return(ret);
+        return (ret);
     }
 
-    return(NULL);
+    return (NULL);
 }
 
-
-
-/* goDaemon: Daemonize a process without closing stdin/stdout/stderr..
- *
- */
+/* Daemonize a process without closing stdin/stdout/stderr */
 void goDaemonLight()
 {
     pid_t pid;
 
     pid = fork();
 
-    if(pid < 0)
-    {
-        merror(FORK_ERROR, __local_name);
+    if (pid < 0) {
+        merror(FORK_ERROR, __local_name, errno, strerror(errno));
         return;
-    }
-    else if(pid)
-    {
+    } else if (pid) {
         exit(0);
     }
 
-
-    /* becoming session leader */
-    if(setsid() < 0)
-    {
-        merror(SETSID_ERROR, __local_name);
+    /* Become session leader */
+    if (setsid() < 0) {
+        merror(SETSID_ERROR, __local_name, errno, strerror(errno));
         return;
     }
 
-
-    /* forking again */
+    /* Fork again */
     pid = fork();
-    if(pid < 0)
-    {
-        merror(FORK_ERROR, __local_name);
+    if (pid < 0) {
+        merror(FORK_ERROR, __local_name, errno, strerror(errno));
         return;
-    }
-    else if(pid)
-    {
+    } else if (pid) {
         exit(0);
     }
 
-
     dup2(1, 2);
 
-
-    /* Going to / */
-    chdir("/");
-
+    /* Go to / */
+    if (chdir("/") == -1) {
+        merror(CHDIR_ERROR, __local_name, "/", errno, strerror(errno));
+    }
 
     return;
 }
 
-
-
-/* goDaemon: Daemonize a process..
- *
- */
+/* Daemonize a process */
 void goDaemon()
 {
     int fd;
     pid_t pid;
 
     pid = fork();
-
-    if(pid < 0)
-    {
-        merror(FORK_ERROR, __local_name);
+    if (pid < 0) {
+        merror(FORK_ERROR, __local_name, errno, strerror(errno));
         return;
-    }
-    else if(pid)
-    {
+    } else if (pid) {
         exit(0);
     }
 
-    /* becoming session leader */
-    if(setsid() < 0)
-    {
-        merror(SETSID_ERROR, __local_name);
+    /* Become session leader */
+    if (setsid() < 0) {
+        merror(SETSID_ERROR, __local_name, errno, strerror(errno));
         return;
     }
 
-    /* forking again */
+    /* Fork again */
     pid = fork();
-    if(pid < 0)
-    {
-        merror(FORK_ERROR, __local_name);
+    if (pid < 0) {
+        merror(FORK_ERROR, __local_name, errno, strerror(errno));
         return;
-    }
-    else if(pid)
-    {
+    } else if (pid) {
         exit(0);
     }
 
-
     /* Dup stdin, stdout and stderr to /dev/null */
-    if((fd = open("/dev/null", O_RDWR)) >= 0)
-    {
+    if ((fd = open("/dev/null", O_RDWR)) >= 0) {
         dup2(fd, 0);
         dup2(fd, 1);
         dup2(fd, 2);
-    }
-
 
-    /* Going to / */
-    chdir("/");
-
-
-    /* Closing stdin, stdout and stderr */
-    /*
-    fclose(stdin);
-    fclose(stdout);
-    fclose(stderr);
-    */
+        close(fd);
+    }
 
-    /* Openining stdin, stdout and stderr to /dev/null */
-    /*
-    open("/dev/null", O_RDONLY);
-    open("/dev/null", O_RDWR);
-    open("/dev/null", O_RDWR);
-    */
+    /* Go to / */
+    if (chdir("/") == -1) {
+        merror(CHDIR_ERROR, __local_name, "/", errno, strerror(errno));
+    }
 
     return;
 }
 
+#else /* WIN32 */
 
-#else
 int checkVista()
 {
     char *m_uname;
     isVista = 0;
 
     m_uname = getuname();
-    if(!m_uname)
-    {
-        merror(MEM_ERROR, __local_name);
-        return(0);
+    if (!m_uname) {
+        merror(MEM_ERROR, __local_name, errno, strerror(errno));
+        return (0);
     }
 
-
-    /* We check if the system is vista (must be called during the startup.) */
-    if(strstr(m_uname, "Windows Server 2008") ||
-       strstr(m_uname, "Vista") ||
-       strstr(m_uname, "Windows 7") ||
-       strstr(m_uname, "Windows 8") ||
-       strstr(m_uname, "Windows Server 2012"))
-    {
+    /* Check if the system is Vista (must be called during the startup) */
+    if (strstr(m_uname, "Windows Server 2008") ||
+            strstr(m_uname, "Vista") ||
+            strstr(m_uname, "Windows 7") ||
+            strstr(m_uname, "Windows 8") ||
+            strstr(m_uname, "Windows Server 2012")) {
         isVista = 1;
         verbose("%s: INFO: System is Vista or newer (%s).",
                 __local_name, m_uname);
-    }
-    else
-    {
+    } else {
         verbose("%s: INFO: System is older than Vista (%s).",
                 __local_name, m_uname);
     }
 
     free(m_uname);
 
-    return(isVista);
+    return (isVista);
 }
 
 /* Get basename of path */
@@ -1065,7 +1002,7 @@ int mkstemp_ex(char *tmp_path)
 
     if (pSD == NULL) {
         log2file(
-            "%s: ERROR: Could not initalize SECURITY_DESCRIPTOR because of a LocalAlloc() failure which returned (%lu)",
+            "%s: ERROR: Could not initialize SECURITY_DESCRIPTOR because of a LocalAlloc() failure which returned (%lu)",
             __local_name,
             GetLastError()
         );
@@ -1075,7 +1012,7 @@ int mkstemp_ex(char *tmp_path)
 
     if (!InitializeSecurityDescriptor(pSD, SECURITY_DESCRIPTOR_REVISION)) {
         log2file(
-            "%s: ERROR: Could not initalize SECURITY_DESCRIPTOR because of an InitializeSecurityDescriptor() failure which returned (%lu)",
+            "%s: ERROR: Could not initialize SECURITY_DESCRIPTOR because of an InitializeSecurityDescriptor() failure which returned (%lu)",
             __local_name,
             GetLastError()
         );
@@ -1176,21 +1113,17 @@ cleanup:
     return (status);
 }
 
-
-/** get uname for windows **/
+/* Get uname for Windows */
 char *getuname()
 {
-    int ret_size = OS_SIZE_1024 -2;
+    int ret_size = OS_SIZE_1024 - 2;
     char *ret = NULL;
-    char os_v[128 +1];
+    char os_v[128 + 1];
 
-    typedef void (WINAPI *PGNSI)(LPSYSTEM_INFO);
-    typedef BOOL (WINAPI *PGPI)(DWORD, DWORD, DWORD, DWORD, PDWORD);
+    typedef void (WINAPI * PGNSI)(LPSYSTEM_INFO);
+    typedef BOOL (WINAPI * PGPI)(DWORD, DWORD, DWORD, DWORD, PDWORD);
 
-
-    /* Extracted from ms web site
-     * http://msdn.microsoft.com/library/en-us/sysinfo/base/getting_the_system_version.asp
-     */
+    /* See http://msdn.microsoft.com/en-us/library/windows/desktop/ms724429%28v=vs.85%29.aspx */
     OSVERSIONINFOEX osvi;
     SYSTEM_INFO si;
     PGNSI pGNSI;
@@ -1201,467 +1134,451 @@ char *getuname()
     ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
     osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
 
-    if(!(bOsVersionInfoEx = GetVersionEx ((OSVERSIONINFO *) &osvi)))
-    {
+    if (!(bOsVersionInfoEx = GetVersionEx ((OSVERSIONINFO *) &osvi))) {
         osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
-        if (!GetVersionEx((OSVERSIONINFO *)&osvi))
-            return(NULL);
+        if (!GetVersionEx((OSVERSIONINFO *)&osvi)) {
+            return (NULL);
+        }
     }
 
-    /* Allocating the memory */
-    os_calloc(OS_SIZE_1024 +1, sizeof(char), ret);
+    /* Allocate memory */
+    os_calloc(OS_SIZE_1024 + 1, sizeof(char), ret);
     ret[OS_SIZE_1024] = '\0';
 
-    switch(osvi.dwPlatformId)
-    {
-        /* Test for the Windows NT product family. */
+    switch (osvi.dwPlatformId) {
+        /* Test for the Windows NT product family */
         case VER_PLATFORM_WIN32_NT:
-            if(osvi.dwMajorVersion == 6)
-            {
-                if(osvi.dwMinorVersion == 0)
-                {
-                    if(osvi.wProductType == VER_NT_WORKSTATION )
-                        strncat(ret, "Microsoft Windows Vista ", ret_size -1);
-                    else
-                    {
-                        strncat(ret, "Microsoft Windows Server 2008 ", ret_size -1);
+            if (osvi.dwMajorVersion == 6) {
+                if (osvi.dwMinorVersion == 0) {
+                    if (osvi.wProductType == VER_NT_WORKSTATION ) {
+                        strncat(ret, "Microsoft Windows Vista ", ret_size - 1);
+                    } else {
+                        strncat(ret, "Microsoft Windows Server 2008 ", ret_size - 1);
                     }
-                }
-                else if(osvi.dwMinorVersion == 1)
-                {
-                    if(osvi.wProductType == VER_NT_WORKSTATION )
-                        strncat(ret, "Microsoft Windows 7 ", ret_size -1);
-                    else
-                    {
-                        strncat(ret, "Microsoft Windows Server 2008 R2 ", ret_size -1);
+                } else if (osvi.dwMinorVersion == 1) {
+                    if (osvi.wProductType == VER_NT_WORKSTATION ) {
+                        strncat(ret, "Microsoft Windows 7 ", ret_size - 1);
+                    } else {
+                        strncat(ret, "Microsoft Windows Server 2008 R2 ", ret_size - 1);
                     }
-                }
-                else if(osvi.dwMinorVersion == 2)
-                {
-                    if(osvi.wProductType == VER_NT_WORKSTATION )
-                        strncat(ret, "Microsoft Windows 8 ", ret_size -1);
-                    else
-                    {
-                        strncat(ret, "Microsoft Windows Server 2012 ", ret_size -1);
+                } else if (osvi.dwMinorVersion == 2) {
+                    if (osvi.wProductType == VER_NT_WORKSTATION ) {
+                        strncat(ret, "Microsoft Windows 8 ", ret_size - 1);
+                    } else {
+                        strncat(ret, "Microsoft Windows Server 2012 ", ret_size - 1);
                     }
-                }
-                else if(osvi.dwMinorVersion == 3)
-                {
-                    if(osvi.wProductType == VER_NT_WORKSTATION )
-                        strncat(ret, "Microsoft Windows 8.1 ", ret_size -1);
-                    else
-                    {
-                        strncat(ret, "Microsoft Windows Server 2012 R2 ", ret_size -1);
+                } else if (osvi.dwMinorVersion == 3) {
+                    if (osvi.wProductType == VER_NT_WORKSTATION ) {
+                        strncat(ret, "Microsoft Windows 8.1 ", ret_size - 1);
+                    } else {
+                        strncat(ret, "Microsoft Windows Server 2012 R2 ", ret_size - 1);
                     }
                 }
 
-                ret_size-=strlen(ret) +1;
+                ret_size -= strlen(ret) + 1;
 
 
-                /* Getting product version. */
+                /* Get product version */
                 pGPI = (PGPI) GetProcAddress(
-                              GetModuleHandle(TEXT("kernel32.dll")),
-                                                   "GetProductInfo");
+                           GetModuleHandle(TEXT("kernel32.dll")),
+                           "GetProductInfo");
 
                 pGPI( 6, 0, 0, 0, &dwType);
 
-                switch(dwType)
-                {
+                switch (dwType) {
                     case PRODUCT_UNLICENSED:
-                        strncat(ret, PRODUCT_UNLICENSED_C, ret_size -1);
+                        strncat(ret, PRODUCT_UNLICENSED_C, ret_size - 1);
                         break;
                     case PRODUCT_BUSINESS:
-                        strncat(ret, PRODUCT_BUSINESS_C, ret_size -1);
+                        strncat(ret, PRODUCT_BUSINESS_C, ret_size - 1);
                         break;
                     case PRODUCT_BUSINESS_N:
-                        strncat(ret, PRODUCT_BUSINESS_N_C, ret_size -1);
+                        strncat(ret, PRODUCT_BUSINESS_N_C, ret_size - 1);
                         break;
                     case PRODUCT_CLUSTER_SERVER:
-                        strncat(ret, PRODUCT_CLUSTER_SERVER_C, ret_size -1);
+                        strncat(ret, PRODUCT_CLUSTER_SERVER_C, ret_size - 1);
                         break;
                     case PRODUCT_DATACENTER_SERVER:
-                        strncat(ret, PRODUCT_DATACENTER_SERVER_C, ret_size -1);
+                        strncat(ret, PRODUCT_DATACENTER_SERVER_C, ret_size - 1);
                         break;
                     case PRODUCT_DATACENTER_SERVER_CORE:
-                        strncat(ret, PRODUCT_DATACENTER_SERVER_CORE_C, ret_size -1);
+                        strncat(ret, PRODUCT_DATACENTER_SERVER_CORE_C, ret_size - 1);
                         break;
                     case PRODUCT_DATACENTER_SERVER_CORE_V:
-                        strncat(ret, PRODUCT_DATACENTER_SERVER_CORE_V_C, ret_size -1);
+                        strncat(ret, PRODUCT_DATACENTER_SERVER_CORE_V_C, ret_size - 1);
                         break;
                     case PRODUCT_DATACENTER_SERVER_V:
-                        strncat(ret, PRODUCT_DATACENTER_SERVER_V_C, ret_size -1);
+                        strncat(ret, PRODUCT_DATACENTER_SERVER_V_C, ret_size - 1);
                         break;
                     case PRODUCT_ENTERPRISE:
-                        strncat(ret, PRODUCT_ENTERPRISE_C, ret_size -1);
+                        strncat(ret, PRODUCT_ENTERPRISE_C, ret_size - 1);
                         break;
                     case PRODUCT_ENTERPRISE_N:
-                        strncat(ret, PRODUCT_ENTERPRISE_N_C, ret_size -1);
+                        strncat(ret, PRODUCT_ENTERPRISE_N_C, ret_size - 1);
                         break;
                     case PRODUCT_ENTERPRISE_SERVER:
-                        strncat(ret, PRODUCT_ENTERPRISE_SERVER_C, ret_size -1);
+                        strncat(ret, PRODUCT_ENTERPRISE_SERVER_C, ret_size - 1);
                         break;
                     case PRODUCT_ENTERPRISE_SERVER_CORE:
-                        strncat(ret, PRODUCT_ENTERPRISE_SERVER_CORE_C, ret_size -1);
+                        strncat(ret, PRODUCT_ENTERPRISE_SERVER_CORE_C, ret_size - 1);
                         break;
                     case PRODUCT_ENTERPRISE_SERVER_CORE_V:
-                        strncat(ret, PRODUCT_ENTERPRISE_SERVER_CORE_V_C, ret_size -1);
+                        strncat(ret, PRODUCT_ENTERPRISE_SERVER_CORE_V_C, ret_size - 1);
                         break;
                     case PRODUCT_ENTERPRISE_SERVER_IA64:
-                        strncat(ret, PRODUCT_ENTERPRISE_SERVER_IA64_C, ret_size -1);
+                        strncat(ret, PRODUCT_ENTERPRISE_SERVER_IA64_C, ret_size - 1);
                         break;
                     case PRODUCT_ENTERPRISE_SERVER_V:
-                        strncat(ret, PRODUCT_ENTERPRISE_SERVER_V_C, ret_size -1);
+                        strncat(ret, PRODUCT_ENTERPRISE_SERVER_V_C, ret_size - 1);
                         break;
                     case PRODUCT_HOME_BASIC:
-                        strncat(ret, PRODUCT_HOME_BASIC_C, ret_size -1);
+                        strncat(ret, PRODUCT_HOME_BASIC_C, ret_size - 1);
                         break;
                     case PRODUCT_HOME_BASIC_N:
-                        strncat(ret, PRODUCT_HOME_BASIC_N_C, ret_size -1);
+                        strncat(ret, PRODUCT_HOME_BASIC_N_C, ret_size - 1);
                         break;
                     case PRODUCT_HOME_PREMIUM:
-                        strncat(ret, PRODUCT_HOME_PREMIUM_C, ret_size -1);
+                        strncat(ret, PRODUCT_HOME_PREMIUM_C, ret_size - 1);
                         break;
                     case PRODUCT_HOME_PREMIUM_N:
-                        strncat(ret, PRODUCT_HOME_PREMIUM_N_C, ret_size -1);
+                        strncat(ret, PRODUCT_HOME_PREMIUM_N_C, ret_size - 1);
                         break;
                     case PRODUCT_HOME_SERVER:
-                        strncat(ret, PRODUCT_HOME_SERVER_C, ret_size -1);
+                        strncat(ret, PRODUCT_HOME_SERVER_C, ret_size - 1);
                         break;
                     case PRODUCT_MEDIUMBUSINESS_SERVER_MANAGEMENT:
-                        strncat(ret, PRODUCT_MEDIUMBUSINESS_SERVER_MANAGEMENT_C, ret_size -1);
+                        strncat(ret, PRODUCT_MEDIUMBUSINESS_SERVER_MANAGEMENT_C, ret_size - 1);
                         break;
                     case PRODUCT_MEDIUMBUSINESS_SERVER_MESSAGING:
-                        strncat(ret, PRODUCT_MEDIUMBUSINESS_SERVER_MESSAGING_C, ret_size -1);
+                        strncat(ret, PRODUCT_MEDIUMBUSINESS_SERVER_MESSAGING_C, ret_size - 1);
                         break;
                     case PRODUCT_MEDIUMBUSINESS_SERVER_SECURITY:
-                        strncat(ret, PRODUCT_MEDIUMBUSINESS_SERVER_SECURITY_C, ret_size -1);
+                        strncat(ret, PRODUCT_MEDIUMBUSINESS_SERVER_SECURITY_C, ret_size - 1);
                         break;
                     case PRODUCT_SERVER_FOR_SMALLBUSINESS:
-                        strncat(ret, PRODUCT_SERVER_FOR_SMALLBUSINESS_C, ret_size -1);
+                        strncat(ret, PRODUCT_SERVER_FOR_SMALLBUSINESS_C, ret_size - 1);
                         break;
                     case PRODUCT_SMALLBUSINESS_SERVER:
-                        strncat(ret, PRODUCT_SMALLBUSINESS_SERVER_C, ret_size -1);
+                        strncat(ret, PRODUCT_SMALLBUSINESS_SERVER_C, ret_size - 1);
                         break;
                     case PRODUCT_SMALLBUSINESS_SERVER_PREMIUM:
-                        strncat(ret, PRODUCT_SMALLBUSINESS_SERVER_PREMIUM_C, ret_size -1);
+                        strncat(ret, PRODUCT_SMALLBUSINESS_SERVER_PREMIUM_C, ret_size - 1);
                         break;
                     case PRODUCT_STANDARD_SERVER:
-                        strncat(ret, PRODUCT_STANDARD_SERVER_C, ret_size -1);
+                        strncat(ret, PRODUCT_STANDARD_SERVER_C, ret_size - 1);
                         break;
                     case PRODUCT_STANDARD_SERVER_CORE:
-                        strncat(ret, PRODUCT_STANDARD_SERVER_CORE_C, ret_size -1);
+                        strncat(ret, PRODUCT_STANDARD_SERVER_CORE_C, ret_size - 1);
                         break;
                     case PRODUCT_STANDARD_SERVER_CORE_V:
-                        strncat(ret, PRODUCT_STANDARD_SERVER_CORE_V_C, ret_size -1);
+                        strncat(ret, PRODUCT_STANDARD_SERVER_CORE_V_C, ret_size - 1);
                         break;
                     case PRODUCT_STANDARD_SERVER_V:
-                        strncat(ret, PRODUCT_STANDARD_SERVER_V_C, ret_size -1);
+                        strncat(ret, PRODUCT_STANDARD_SERVER_V_C, ret_size - 1);
                         break;
                     case PRODUCT_STARTER:
-                        strncat(ret, PRODUCT_STARTER_C, ret_size -1);
+                        strncat(ret, PRODUCT_STARTER_C, ret_size - 1);
                         break;
                     case PRODUCT_STORAGE_ENTERPRISE_SERVER:
-                        strncat(ret, PRODUCT_STORAGE_ENTERPRISE_SERVER_C, ret_size -1);
+                        strncat(ret, PRODUCT_STORAGE_ENTERPRISE_SERVER_C, ret_size - 1);
                         break;
                     case PRODUCT_STORAGE_EXPRESS_SERVER:
-                        strncat(ret, PRODUCT_STORAGE_EXPRESS_SERVER_C, ret_size -1);
+                        strncat(ret, PRODUCT_STORAGE_EXPRESS_SERVER_C, ret_size - 1);
                         break;
                     case PRODUCT_STORAGE_STANDARD_SERVER:
-                        strncat(ret, PRODUCT_STORAGE_STANDARD_SERVER_C, ret_size -1);
+                        strncat(ret, PRODUCT_STORAGE_STANDARD_SERVER_C, ret_size - 1);
                         break;
                     case PRODUCT_STORAGE_WORKGROUP_SERVER:
-                        strncat(ret, PRODUCT_STORAGE_WORKGROUP_SERVER_C, ret_size -1);
+                        strncat(ret, PRODUCT_STORAGE_WORKGROUP_SERVER_C, ret_size - 1);
                         break;
                     case PRODUCT_ULTIMATE:
-                        strncat(ret, PRODUCT_ULTIMATE_C, ret_size -1);
+                        strncat(ret, PRODUCT_ULTIMATE_C, ret_size - 1);
                         break;
                     case PRODUCT_ULTIMATE_N:
-                        strncat(ret, PRODUCT_ULTIMATE_N_C, ret_size -1);
+                        strncat(ret, PRODUCT_ULTIMATE_N_C, ret_size - 1);
                         break;
                     case PRODUCT_WEB_SERVER:
-                        strncat(ret, PRODUCT_WEB_SERVER_C, ret_size -1);
+                        strncat(ret, PRODUCT_WEB_SERVER_C, ret_size - 1);
                         break;
                     case PRODUCT_WEB_SERVER_CORE:
-                        strncat(ret, PRODUCT_WEB_SERVER_CORE_C, ret_size -1);
+                        strncat(ret, PRODUCT_WEB_SERVER_CORE_C, ret_size - 1);
                         break;
                 }
 
-
-                ret_size-=strlen(ret) +1;
-            }
-
-            else if(osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 2)
-            {
+                ret_size -= strlen(ret) + 1;
+            } else if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 2) {
                 pGNSI = (PGNSI) GetProcAddress(
-                        GetModuleHandle("kernel32.dll"),
-                        "GetNativeSystemInfo");
-                if(NULL != pGNSI)
+                            GetModuleHandle("kernel32.dll"),
+                            "GetNativeSystemInfo");
+                if (NULL != pGNSI) {
                     pGNSI(&si);
+                }
 
-                if( GetSystemMetrics(89) )
+                if ( GetSystemMetrics(89) )
                     strncat(ret, "Microsoft Windows Server 2003 R2 ",
-                                 ret_size -1);
-                else if(osvi.wProductType == VER_NT_WORKSTATION &&
-                        si.wProcessorArchitecture==PROCESSOR_ARCHITECTURE_AMD64)
-                {
+                            ret_size - 1);
+                else if (osvi.wProductType == VER_NT_WORKSTATION &&
+                         si.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64) {
                     strncat(ret,
                             "Microsoft Windows XP Professional x64 Edition ",
-                           ret_size -1 );
-                }
-                else
-                {
-                    strncat(ret, "Microsoft Windows Server 2003, ",ret_size-1);
+                            ret_size - 1 );
+                } else {
+                    strncat(ret, "Microsoft Windows Server 2003, ", ret_size - 1);
                 }
 
-                ret_size-=strlen(ret) +1;
-            }
+                ret_size -= strlen(ret) + 1;
+            } else if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1) {
+                strncat(ret, "Microsoft Windows XP ", ret_size - 1);
 
-            else if(osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1)
-            {
-                strncat(ret, "Microsoft Windows XP ", ret_size -1);
+                ret_size -= strlen(ret) + 1;
+            } else if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 0) {
+                strncat(ret, "Microsoft Windows 2000 ", ret_size - 1);
 
-                ret_size-=strlen(ret) +1;
-            }
+                ret_size -= strlen(ret) + 1;
+            } else if (osvi.dwMajorVersion <= 4) {
+                strncat(ret, "Microsoft Windows NT ", ret_size - 1);
 
-            else if(osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 0)
-            {
-                strncat(ret, "Microsoft Windows 2000 ", ret_size -1);
+                ret_size -= strlen(ret) + 1;
+            } else {
+                strncat(ret, "Microsoft Windows Unknown ", ret_size - 1);
 
-                ret_size-=strlen(ret) +1;
+                ret_size -= strlen(ret) + 1;
             }
 
-            else if (osvi.dwMajorVersion <= 4)
-            {
-                strncat(ret, "Microsoft Windows NT ", ret_size -1);
-
-                ret_size-=strlen(ret) +1;
-            }
-            else
-            {
-                strncat(ret, "Microsoft Windows Unknown ", ret_size -1);
-
-                ret_size-=strlen(ret) +1;
-            }
-
-            /* Test for specific product on Windows NT 4.0 SP6 and later. */
-            if(bOsVersionInfoEx)
-            {
-                /* Test for the workstation type. */
+            /* Test for specific product on Windows NT 4.0 SP6 and later */
+            if (bOsVersionInfoEx) {
+                /* Test for the workstation type */
                 if (osvi.wProductType == VER_NT_WORKSTATION &&
-                    si.wProcessorArchitecture!=PROCESSOR_ARCHITECTURE_AMD64)
-                {
-                    if( osvi.dwMajorVersion == 4 )
-                        strncat(ret, "Workstation 4.0 ", ret_size -1);
-                    else if( osvi.wSuiteMask & VER_SUITE_PERSONAL )
-                        strncat(ret, "Home Edition ", ret_size -1);
-                    else
-                        strncat(ret, "Professional ",ret_size -1);
-
-                    /* Fixing size */
-                    ret_size-=strlen(ret) +1;
+                        si.wProcessorArchitecture != PROCESSOR_ARCHITECTURE_AMD64) {
+                    if ( osvi.dwMajorVersion == 4 ) {
+                        strncat(ret, "Workstation 4.0 ", ret_size - 1);
+                    } else if ( osvi.wSuiteMask & VER_SUITE_PERSONAL ) {
+                        strncat(ret, "Home Edition ", ret_size - 1);
+                    } else {
+                        strncat(ret, "Professional ", ret_size - 1);
+                    }
+
+                    /* Fix size */
+                    ret_size -= strlen(ret) + 1;
                 }
 
-                /* Test for the server type. */
-                else if( osvi.wProductType == VER_NT_SERVER ||
-                        osvi.wProductType == VER_NT_DOMAIN_CONTROLLER )
-                {
-                    if(osvi.dwMajorVersion==5 && osvi.dwMinorVersion==2)
-                    {
-                        if (si.wProcessorArchitecture==
-                            PROCESSOR_ARCHITECTURE_IA64 )
-                        {
-                            if( osvi.wSuiteMask & VER_SUITE_DATACENTER )
+                /* Test for the server type */
+                else if ( osvi.wProductType == VER_NT_SERVER ||
+                          osvi.wProductType == VER_NT_DOMAIN_CONTROLLER ) {
+                    if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 2) {
+                        if (si.wProcessorArchitecture ==
+                                PROCESSOR_ARCHITECTURE_IA64 ) {
+                            if ( osvi.wSuiteMask & VER_SUITE_DATACENTER )
                                 strncat(ret,
-                                "Datacenter Edition for Itanium-based Systems ",
-                                ret_size -1);
-                            else if( osvi.wSuiteMask & VER_SUITE_ENTERPRISE )
+                                        "Datacenter Edition for Itanium-based Systems ",
+                                        ret_size - 1);
+                            else if ( osvi.wSuiteMask & VER_SUITE_ENTERPRISE )
                                 strncat(ret,
-                                "Enterprise Edition for Itanium-based Systems ",
-                                 ret_size -1);
+                                        "Enterprise Edition for Itanium-based Systems ",
+                                        ret_size - 1);
 
-                            ret_size-=strlen(ret) +1;
-                        }
-
-                        else if ( si.wProcessorArchitecture==
-                                PROCESSOR_ARCHITECTURE_AMD64 )
-                        {
-                            if( osvi.wSuiteMask & VER_SUITE_DATACENTER )
+                            ret_size -= strlen(ret) + 1;
+                        } else if ( si.wProcessorArchitecture ==
+                                    PROCESSOR_ARCHITECTURE_AMD64 ) {
+                            if ( osvi.wSuiteMask & VER_SUITE_DATACENTER )
                                 strncat(ret, "Datacenter x64 Edition ",
-                                             ret_size -1 );
-                            else if( osvi.wSuiteMask & VER_SUITE_ENTERPRISE )
+                                        ret_size - 1 );
+                            else if ( osvi.wSuiteMask & VER_SUITE_ENTERPRISE )
                                 strncat(ret, "Enterprise x64 Edition ",
-                                             ret_size -1 );
+                                        ret_size - 1 );
                             else
                                 strncat(ret, "Standard x64 Edition ",
-                                             ret_size -1 );
-
-                            ret_size-=strlen(ret) +1;
-                        }
+                                        ret_size - 1 );
 
-                        else
-                        {
-                            if( osvi.wSuiteMask & VER_SUITE_DATACENTER )
+                            ret_size -= strlen(ret) + 1;
+                        } else {
+                            if ( osvi.wSuiteMask & VER_SUITE_DATACENTER )
                                 strncat(ret, "Datacenter Edition ",
-                                              ret_size -1 );
-                            else if( osvi.wSuiteMask & VER_SUITE_ENTERPRISE )
-                                strncat(ret,"Enterprise Edition ",ret_size -1);
-                            else if ( osvi.wSuiteMask == VER_SUITE_BLADE )
-                                strncat(ret,"Web Edition ",ret_size -1 );
-                            else
-                                strncat(ret, "Standard Edition ",ret_size -1);
-
-                            ret_size-=strlen(ret) +1;
+                                        ret_size - 1 );
+                            else if ( osvi.wSuiteMask & VER_SUITE_ENTERPRISE ) {
+                                strncat(ret, "Enterprise Edition ", ret_size - 1);
+                            } else if ( osvi.wSuiteMask == VER_SUITE_BLADE ) {
+                                strncat(ret, "Web Edition ", ret_size - 1 );
+                            } else {
+                                strncat(ret, "Standard Edition ", ret_size - 1);
+                            }
+
+                            ret_size -= strlen(ret) + 1;
                         }
-                    }
-                    else if(osvi.dwMajorVersion==5 && osvi.dwMinorVersion==0)
-                    {
-                        if( osvi.wSuiteMask & VER_SUITE_DATACENTER )
-                            strncat(ret, "Datacenter Server ",ret_size -1);
-                        else if( osvi.wSuiteMask & VER_SUITE_ENTERPRISE )
-                            strncat(ret, "Advanced Server ",ret_size -1 );
-                        else
-                            strncat(ret, "Server ",ret_size -1);
-
-                        ret_size-=strlen(ret) +1;
-                    }
-                    else if(osvi.dwMajorVersion <= 4)  /* Windows NT 4.0  */
-                    {
-                        if( osvi.wSuiteMask & VER_SUITE_ENTERPRISE )
+                    } else if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 0) {
+                        if ( osvi.wSuiteMask & VER_SUITE_DATACENTER ) {
+                            strncat(ret, "Datacenter Server ", ret_size - 1);
+                        } else if ( osvi.wSuiteMask & VER_SUITE_ENTERPRISE ) {
+                            strncat(ret, "Advanced Server ", ret_size - 1 );
+                        } else {
+                            strncat(ret, "Server ", ret_size - 1);
+                        }
+
+                        ret_size -= strlen(ret) + 1;
+                    } else if (osvi.dwMajorVersion <= 4) { /* Windows NT 4.0 */
+                        if ( osvi.wSuiteMask & VER_SUITE_ENTERPRISE )
                             strncat(ret, "Server 4.0, Enterprise Edition ",
-                                         ret_size -1 );
-                        else
-                            strncat(ret, "Server 4.0 ",ret_size -1);
+                                    ret_size - 1 );
+                        else {
+                            strncat(ret, "Server 4.0 ", ret_size - 1);
+                        }
 
-                        ret_size-=strlen(ret) +1;
+                        ret_size -= strlen(ret) + 1;
                     }
                 }
             }
             /* Test for specific product on Windows NT 4.0 SP5 and earlier */
-            else
-            {
+            else {
                 HKEY hKey;
                 char szProductType[81];
-                DWORD dwBufLen=80;
+                DWORD dwBufLen = 80;
                 LONG lRet;
 
                 lRet = RegOpenKeyEx( HKEY_LOCAL_MACHINE,
-                        "SYSTEM\\CurrentControlSet\\Control\\ProductOptions",
-                        0, KEY_QUERY_VALUE, &hKey );
-                if(lRet == ERROR_SUCCESS)
-                {
+                                     "SYSTEM\\CurrentControlSet\\Control\\ProductOptions",
+                                     0, KEY_QUERY_VALUE, &hKey );
+                if (lRet == ERROR_SUCCESS) {
                     char __wv[32];
 
                     lRet = RegQueryValueEx( hKey, "ProductType", NULL, NULL,
-                            (LPBYTE) szProductType, &dwBufLen);
+                                            (LPBYTE) szProductType, &dwBufLen);
                     RegCloseKey( hKey );
 
-                    if((lRet == ERROR_SUCCESS) && (dwBufLen < 80) )
-                    {
-                        if (lstrcmpi( "WINNT", szProductType) == 0 )
-                            strncat(ret, "Workstation ",ret_size -1);
-                        else if(lstrcmpi( "LANMANNT", szProductType) == 0 )
-                            strncat(ret, "Server ",ret_size -1);
-                        else if(lstrcmpi( "SERVERNT", szProductType) == 0 )
-                            strncat(ret, "Advanced Server " ,ret_size -1);
+                    if ((lRet == ERROR_SUCCESS) && (dwBufLen < 80) ) {
+                        if (lstrcmpi( "WINNT", szProductType) == 0 ) {
+                            strncat(ret, "Workstation ", ret_size - 1);
+                        } else if (lstrcmpi( "LANMANNT", szProductType) == 0 ) {
+                            strncat(ret, "Server ", ret_size - 1);
+                        } else if (lstrcmpi( "SERVERNT", szProductType) == 0 ) {
+                            strncat(ret, "Advanced Server " , ret_size - 1);
+                        }
 
-                        ret_size-=strlen(ret) +1;
+                        ret_size -= strlen(ret) + 1;
 
                         memset(__wv, '\0', 32);
                         snprintf(__wv, 31,
-                                "%d.%d ",
-                                (int)osvi.dwMajorVersion,
-                                (int)osvi.dwMinorVersion);
+                                 "%d.%d ",
+                                 (int)osvi.dwMajorVersion,
+                                 (int)osvi.dwMinorVersion);
 
-                        strncat(ret, __wv, ret_size -1);
-                        ret_size-=strlen(__wv) +1;
+                        strncat(ret, __wv, ret_size - 1);
+                        ret_size -= strlen(__wv) + 1;
                     }
                 }
             }
 
-            /* Display service pack (if any) and build number. */
-
-            if( osvi.dwMajorVersion == 4 &&
-                    lstrcmpi( osvi.szCSDVersion, "Service Pack 6" ) == 0 )
-            {
+            /* Display service pack (if any) and build number */
+            if ( osvi.dwMajorVersion == 4 &&
+                    lstrcmpi( osvi.szCSDVersion, "Service Pack 6" ) == 0 ) {
                 HKEY hKey;
                 LONG lRet;
                 char __wp[64];
 
                 memset(__wp, '\0', 64);
-                /* Test for SP6 versus SP6a. */
+                /* Test for SP6 versus SP6a */
                 lRet = RegOpenKeyEx( HKEY_LOCAL_MACHINE,
-                        "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Hotfix\\Q246009",
-                        0, KEY_QUERY_VALUE, &hKey );
-                if( lRet == ERROR_SUCCESS )
+                                     "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Hotfix\\Q246009",
+                                     0, KEY_QUERY_VALUE, &hKey );
+                if ( lRet == ERROR_SUCCESS )
                     snprintf(__wp, 63, "Service Pack 6a (Build %d)",
-                            (int)osvi.dwBuildNumber & 0xFFFF );
-                else /* Windows NT 4.0 prior to SP6a */
-                {
+                             (int)osvi.dwBuildNumber & 0xFFFF );
+                else { /* Windows NT 4.0 prior to SP6a */
                     snprintf(__wp, 63, "%s (Build %d)",
-                            osvi.szCSDVersion,
-                            (int)osvi.dwBuildNumber & 0xFFFF);
+                             osvi.szCSDVersion,
+                             (int)osvi.dwBuildNumber & 0xFFFF);
                 }
 
-                strncat(ret, __wp, ret_size -1);
-                ret_size-=strlen(__wp) +1;
+                strncat(ret, __wp, ret_size - 1);
+                ret_size -= strlen(__wp) + 1;
                 RegCloseKey( hKey );
-            }
-            else
-            {
+            } else {
                 char __wp[64];
 
                 memset(__wp, '\0', 64);
 
                 snprintf(__wp, 63, "%s (Build %d)",
-                        osvi.szCSDVersion,
-                        (int)osvi.dwBuildNumber & 0xFFFF);
+                         osvi.szCSDVersion,
+                         (int)osvi.dwBuildNumber & 0xFFFF);
 
-                strncat(ret, __wp, ret_size -1);
-                ret_size-=strlen(__wp) +1;
+                strncat(ret, __wp, ret_size - 1);
+                ret_size -= strlen(__wp) + 1;
             }
             break;
 
-        /* Test for the Windows Me/98/95. */
+        /* Test for Windows Me/98/95 */
         case VER_PLATFORM_WIN32_WINDOWS:
-
-            if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 0)
-            {
-                strncat(ret, "Microsoft Windows 95 ", ret_size -1);
-                ret_size-=strlen(ret) +1;
+            if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 0) {
+                strncat(ret, "Microsoft Windows 95 ", ret_size - 1);
+                ret_size -= strlen(ret) + 1;
             }
 
-            if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 10)
-            {
-                strncat(ret, "Microsoft Windows 98 ", ret_size -1);
-                ret_size-=strlen(ret) +1;
+            if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 10) {
+                strncat(ret, "Microsoft Windows 98 ", ret_size - 1);
+                ret_size -= strlen(ret) + 1;
             }
 
-            if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 90)
-            {
+            if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 90) {
                 strncat(ret, "Microsoft Windows Millennium Edition",
-                        ret_size -1);
+                        ret_size - 1);
 
-                ret_size-=strlen(ret) +1;
+                ret_size -= strlen(ret) + 1;
             }
             break;
 
         case VER_PLATFORM_WIN32s:
-
-            strncat(ret, "Microsoft Win32s", ret_size -1);
-            ret_size-=strlen(ret) +1;
+            strncat(ret, "Microsoft Win32s", ret_size - 1);
+            ret_size -= strlen(ret) + 1;
             break;
     }
 
-
-    /* Adding ossec version */
+    /* Add OSSEC-HIDS version */
     snprintf(os_v, 128, " - %s %s", __ossec_name, __version);
-    strncat(ret, os_v, ret_size -1);
-
+    strncat(ret, os_v, ret_size - 1);
 
-    /* Returning system information */
-    return(ret);
+    return (ret);
 
 }
+
+#endif /* WIN32 */
+
+
+int w_ref_parent_folder(const char * path) {
+    const char * str;
+    char * ptr;
+
+    switch (path[0]) {
+    case '\0':
+        return 0;
+
+    case '.':
+        switch (path[1]) {
+        case '\0':
+            return 0;
+
+        case '.':
+            switch (path[2]) {
+            case '\0':
+                return 1;
+
+            case '/':
+#ifdef WIN32
+            case '\\':
+#endif
+                return 1;
+            }
+        }
+    }
+
+#ifdef WIN32
+    for (str = path; ptr = strstr(str, "/.."), ptr || (ptr = strstr(str, "\\.."), ptr); str = ptr + 3) {
+        if (ptr[3] == '\0' || ptr[3] == '/' || ptr[3] == '\\') {
+#else
+    for (str = path; ptr = strstr(str, "/.."), ptr; str = ptr + 3) {
+        if (ptr[3] == '\0' || ptr[3] == '/') {
 #endif
+            return 1;
+        }
+    }
 
-/* EOF */
+    return 0;
+}