1 files changed, 214 insertions, 0 deletions

diff --git a/other/b-scan/tmp/src/module.c b/other/b-scan/tmp/src/module.c
new file mode 100644
index 0000000..1748914
--- /dev/null
+++ b/other/b-scan/tmp/src/module.c
@@ -0,0 +1,214 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <dlfcn.h>
+#include <string.h>
+#include <bscan/module.h>
+#include <bscan/system.h>
+
+struct _mods mods[MAX_MODULES];
+/* modstructures not initialized */
+int modcount = -1;
+
+/*
+#ifdef HAVE_DLSYM
+#define MAKE_DLSYM(x, y) mods[modcount].##x = dlsym(handle, ##y);\
+        if ((error = dlerror()) != NULL) {\
+                fprintf(stderr, ##y":%s\n", error); return(1); }
+#endif
+*/
+
+/* I think this is more correct, and also gets rid of some compile warnings.
+ * hope this doesn't break anything. -typo */
+#ifdef HAVE_DLSYM
+#define MAKE_DLSYM(x, y) mods[modcount].x = dlsym(handle, y);\
+        if ((error = dlerror()) != NULL) {\
+                fprintf(stderr, y":%s\n", error); return(1); }
+#endif
+
+/*  SunOS 4.1.3 support */
+#ifndef RTLD_NOW
+#define RTLD_NOW        0x00001
+#endif
+/* OpenBSD support */
+#ifndef RTLD_GLOBAL
+#define RTLD_GLOBAL     0x00000
+#endif
+
+/* we really hate theo for this shit of dl* work */
+#if defined(__OpenBSD__)
+# if !(defined(__mips) || defined(__powerpc))
+#  define DLSYM_AOUT 1
+# else
+#  define DLSYM_AOUT 0
+# endif
+#endif
+#if DLSYM_AOUT == 1
+# define DLSYM_UNDERSCORE "_"
+#else
+# define DLSYM_UNDERSCORE /**/
+#endif
+
+
+/*
+ * init the module structures. NOT the modules! 
+ */
+void
+init_modules ()
+{
+    int c = 0;
+
+    while (c < MAX_MODULES)
+    {
+        mods[c].init = NULL;
+        mods[c].fini = NULL;
+        mods[c].musage = NULL;
+        mods[c].modname = NULL;
+        mods[c].modid = 0;
+        mods[c].modarg = NULL;
+        mods[c++].callmdl = NULL;
+    }
+    modcount = 0;
+}
+
+
+/*
+ * Load a module
+ * Return 0 on success, != 0 on error [no space left, EACCESS, ...]
+ */
+int
+add_module (char *fname, char *modarg)
+{
+#ifdef HAVE_DLSYM
+    void *handle;
+    char *error;
+
+    if (modcount == -1)
+        init_modules ();
+
+    if (modcount >= MAX_MODULES)
+        return (2);             /* array to small! */
+
+    handle = dlopen (fname, RTLD_NOW | RTLD_GLOBAL);
+
+    if ((error = dlerror ()) != NULL)
+    {
+        fprintf (stderr, "%s\n", error);
+        return (1);
+    }
+
+    MAKE_DLSYM (init, DLSYM_UNDERSCORE"init");
+    MAKE_DLSYM (fini, DLSYM_UNDERSCORE"fini");
+    MAKE_DLSYM (musage, DLSYM_UNDERSCORE"musage");
+    MAKE_DLSYM (callmdl, DLSYM_UNDERSCORE"callmdl");
+
+    mods[modcount].modid = modcount;
+    mods[modcount].modarg = modarg;     /* not encoded arg */
+
+    modcount++;
+
+#endif
+    return 0;
+}
+
+/*
+ * split a 'space seperated string' into many arguements
+ * decode esc-sequences
+ */
+void
+split_margs (const char *moptarg, char ***margvp, int *margcp)
+{
+    char *ptr, *opt;
+    int off;
+    char ch, ch2;
+
+    if (margcp == NULL)
+        return;
+
+    if (margvp == NULL)
+        return;
+
+    if (moptarg == NULL)
+        return;
+
+    moptarg = strdup(moptarg);
+
+    /*
+     * convert "   modname   -a arg1 -b    arg2" to
+     *         "modname -a arg1 -b arg2"
+     */
+    opt = (char *) calloc (1, strlen (moptarg) + 1);
+    off = 0;
+    ch2 = ' ';
+    ptr = (char *) moptarg;
+    while ((ch = *ptr++) != '\0')
+    {
+        if ((ch == ' ') && (ch2 == ' '))
+            continue;
+        opt[off++] = ch;
+        ch2 = ch;
+    }
+    if (ch2 == ' ')
+        opt[off - 1] = '\0';
+
+    /*
+     * split argument-string into char *argv[] array
+     */
+    *margcp = 0;
+    while ((ptr = strchr (opt, ' ')) != NULL)
+    {
+        *ptr++ = '\0';
+
+        (*margvp) = realloc (*margvp, ((*margcp) + 1) * sizeof (char *));
+
+        ctoreal(opt, opt);      /* decode esc-sequences */
+        *(*margvp + *margcp) = opt;
+        (*margcp)++;
+        opt = ptr;
+    }
+    (*margvp) = realloc (*margvp, ((*margcp) + 2) * sizeof (char *));
+    ctoreal(opt, opt);
+    *(*margvp + (*margcp)++) = opt;
+    *(*margvp + (*margcp)) = NULL;      /* terminate the array */
+
+}
+
+/*
+ * load and init the module.
+ * this function can exit
+ * return 0 on success
+ */
+int
+loadinit_mod(char *optar)
+{
+    char **margv = NULL;
+    int margc = 0;
+    extern int optind;
+    extern struct _opt *opt;
+
+    split_margs (optar, &margv, &margc);
+    if (add_module (margv[0], optar) == 0)
+    {
+        int oldoptind = optind;
+        int m = modcount - 1;
+        optind = 1;
+
+        if (mods[m].init ((char **) &mods[m].modname, margc, margv, opt) != 0)
+        {
+            fprintf (stderr, "- [%d]: '%s' init FAILED\n",
+                                         mods[m].modid, margv[0]);
+            mods[m].musage ();
+            exit (-1);
+         } else
+            fprintf (stderr, "+ [%d]: '%s' initialized\n",
+                                         mods[m].modid, mods[m].modname);
+         optind = oldoptind;     /* restore old optind value */
+    } else
+    {
+         fprintf (stderr, "+ [-]; '%s' failed\n", optar);
+         exit (-1);
+    }
+
+    return(0);
+}
+
+