You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
271 lines
5.3 KiB
271 lines
5.3 KiB
--- a/modules/pam_unix/yppasswd_xdr.c
|
|
+++ b/modules/pam_unix/yppasswd_xdr.c
|
|
@@ -21,6 +21,268 @@
|
|
#endif
|
|
#include "yppasswd.h"
|
|
|
|
+#ifdef __UCLIBC__
|
|
+
|
|
+static const char xdr_zero[BYTES_PER_XDR_UNIT] = {0, 0, 0, 0};
|
|
+
|
|
+/*
|
|
+ * XDR integers
|
|
+ */
|
|
+bool_t
|
|
+xdr_int (XDR *xdrs, int *ip)
|
|
+{
|
|
+
|
|
+#if INT_MAX < LONG_MAX
|
|
+ long l;
|
|
+
|
|
+ switch (xdrs->x_op)
|
|
+ {
|
|
+ case XDR_ENCODE:
|
|
+ l = (long) *ip;
|
|
+ return XDR_PUTLONG (xdrs, &l);
|
|
+
|
|
+ case XDR_DECODE:
|
|
+ if (!XDR_GETLONG (xdrs, &l))
|
|
+ {
|
|
+ return FALSE;
|
|
+ }
|
|
+ *ip = (int) l;
|
|
+ case XDR_FREE:
|
|
+ return TRUE;
|
|
+ }
|
|
+ return FALSE;
|
|
+#elif INT_MAX == LONG_MAX
|
|
+ return xdr_long (xdrs, (long *) ip);
|
|
+#elif INT_MAX == SHRT_MAX
|
|
+ return xdr_short (xdrs, (short *) ip);
|
|
+#else
|
|
+#error unexpected integer sizes in xdr_int()
|
|
+#endif
|
|
+}
|
|
+
|
|
+/*
|
|
+ * XDR null terminated ASCII strings
|
|
+ * xdr_string deals with "C strings" - arrays of bytes that are
|
|
+ * terminated by a NULL character. The parameter cpp references a
|
|
+ * pointer to storage; If the pointer is null, then the necessary
|
|
+ * storage is allocated. The last parameter is the max allowed length
|
|
+ * of the string as specified by a protocol.
|
|
+ */
|
|
+bool_t
|
|
+xdr_string (XDR *xdrs, char **cpp, u_int maxsize)
|
|
+{
|
|
+ char *sp = *cpp; /* sp is the actual string pointer */
|
|
+ u_int size;
|
|
+ u_int nodesize;
|
|
+
|
|
+ /*
|
|
+ * first deal with the length since xdr strings are counted-strings
|
|
+ */
|
|
+ switch (xdrs->x_op)
|
|
+ {
|
|
+ case XDR_FREE:
|
|
+ if (sp == NULL)
|
|
+ {
|
|
+ return TRUE; /* already free */
|
|
+ }
|
|
+ /* fall through... */
|
|
+ case XDR_ENCODE:
|
|
+ if (sp == NULL)
|
|
+ return FALSE;
|
|
+ size = strlen (sp);
|
|
+ break;
|
|
+ case XDR_DECODE:
|
|
+ break;
|
|
+ }
|
|
+ if (!xdr_u_int (xdrs, &size))
|
|
+ {
|
|
+ return FALSE;
|
|
+ }
|
|
+ if (size > maxsize)
|
|
+ {
|
|
+ return FALSE;
|
|
+ }
|
|
+ nodesize = size + 1;
|
|
+
|
|
+ /*
|
|
+ * now deal with the actual bytes
|
|
+ */
|
|
+ switch (xdrs->x_op)
|
|
+ {
|
|
+ case XDR_DECODE:
|
|
+ if (nodesize == 0)
|
|
+ {
|
|
+ return TRUE;
|
|
+ }
|
|
+ if (sp == NULL)
|
|
+ *cpp = sp = (char *) mem_alloc (nodesize);
|
|
+ if (sp == NULL)
|
|
+ {
|
|
+#ifdef USE_IN_LIBIO
|
|
+ if (_IO_fwide (stderr, 0) > 0)
|
|
+ (void) fwprintf (stderr, L"%s",
|
|
+ _("xdr_string: out of memory\n"));
|
|
+ else
|
|
+#endif
|
|
+ (void) fputs (_("xdr_string: out of memory\n"), stderr);
|
|
+ return FALSE;
|
|
+ }
|
|
+ sp[size] = 0;
|
|
+ /* fall into ... */
|
|
+
|
|
+ case XDR_ENCODE:
|
|
+ return xdr_opaque (xdrs, sp, size);
|
|
+
|
|
+ case XDR_FREE:
|
|
+ mem_free (sp, nodesize);
|
|
+ *cpp = NULL;
|
|
+ return TRUE;
|
|
+ }
|
|
+ return FALSE;
|
|
+}
|
|
+
|
|
+/*
|
|
+ * XDR long integers
|
|
+ * The definition of xdr_long() is kept for backward
|
|
+ * compatibility. Instead xdr_int() should be used.
|
|
+ */
|
|
+bool_t
|
|
+xdr_long (XDR *xdrs, long *lp)
|
|
+{
|
|
+ if (xdrs->x_op == XDR_ENCODE
|
|
+ && (sizeof (int32_t) == sizeof (long)
|
|
+ || (int32_t) *lp == *lp))
|
|
+ return XDR_PUTLONG (xdrs, lp);
|
|
+
|
|
+ if (xdrs->x_op == XDR_DECODE)
|
|
+ return XDR_GETLONG (xdrs, lp);
|
|
+
|
|
+ if (xdrs->x_op == XDR_FREE)
|
|
+ return TRUE;
|
|
+
|
|
+ return FALSE;
|
|
+}
|
|
+
|
|
+/*
|
|
+ * XDR unsigned integers
|
|
+ */
|
|
+bool_t
|
|
+xdr_u_int (XDR *xdrs, u_int *up)
|
|
+{
|
|
+#if UINT_MAX < ULONG_MAX
|
|
+ u_long l;
|
|
+
|
|
+ switch (xdrs->x_op)
|
|
+ {
|
|
+ case XDR_ENCODE:
|
|
+ l = (u_long) * up;
|
|
+ return XDR_PUTLONG (xdrs, (long *) &l);
|
|
+
|
|
+ case XDR_DECODE:
|
|
+ if (!XDR_GETLONG (xdrs, (long *) &l))
|
|
+ {
|
|
+ return FALSE;
|
|
+ }
|
|
+ *up = (u_int) l;
|
|
+ case XDR_FREE:
|
|
+ return TRUE;
|
|
+ }
|
|
+ return FALSE;
|
|
+#elif UINT_MAX == ULONG_MAX
|
|
+ return xdr_u_long (xdrs, (u_long *) up);
|
|
+#elif UINT_MAX == USHRT_MAX
|
|
+ return xdr_short (xdrs, (short *) up);
|
|
+#else
|
|
+#error unexpected integer sizes in xdr_u_int()
|
|
+#endif
|
|
+}
|
|
+
|
|
+/*
|
|
+ * XDR opaque data
|
|
+ * Allows the specification of a fixed size sequence of opaque bytes.
|
|
+ * cp points to the opaque object and cnt gives the byte length.
|
|
+ */
|
|
+bool_t
|
|
+xdr_opaque (XDR *xdrs, caddr_t cp, u_int cnt)
|
|
+{
|
|
+ u_int rndup;
|
|
+ static char crud[BYTES_PER_XDR_UNIT];
|
|
+
|
|
+ /*
|
|
+ * if no data we are done
|
|
+ */
|
|
+ if (cnt == 0)
|
|
+ return TRUE;
|
|
+
|
|
+ /*
|
|
+ * round byte count to full xdr units
|
|
+ */
|
|
+ rndup = cnt % BYTES_PER_XDR_UNIT;
|
|
+ if (rndup > 0)
|
|
+ rndup = BYTES_PER_XDR_UNIT - rndup;
|
|
+
|
|
+ switch (xdrs->x_op)
|
|
+ {
|
|
+ case XDR_DECODE:
|
|
+ if (!XDR_GETBYTES (xdrs, cp, cnt))
|
|
+ {
|
|
+ return FALSE;
|
|
+ }
|
|
+ if (rndup == 0)
|
|
+ return TRUE;
|
|
+ return XDR_GETBYTES (xdrs, (caddr_t)crud, rndup);
|
|
+
|
|
+ case XDR_ENCODE:
|
|
+ if (!XDR_PUTBYTES (xdrs, cp, cnt))
|
|
+ {
|
|
+ return FALSE;
|
|
+ }
|
|
+ if (rndup == 0)
|
|
+ return TRUE;
|
|
+ return XDR_PUTBYTES (xdrs, xdr_zero, rndup);
|
|
+
|
|
+ case XDR_FREE:
|
|
+ return TRUE;
|
|
+ }
|
|
+ return FALSE;
|
|
+}
|
|
+
|
|
+/*
|
|
+ * XDR unsigned long integers
|
|
+ * The definition of xdr_u_long() is kept for backward
|
|
+ * compatibility. Instead xdr_u_int() should be used.
|
|
+ */
|
|
+bool_t
|
|
+xdr_u_long (XDR *xdrs, u_long *ulp)
|
|
+{
|
|
+ switch (xdrs->x_op)
|
|
+ {
|
|
+ case XDR_DECODE:
|
|
+ {
|
|
+ long int tmp;
|
|
+
|
|
+ if (XDR_GETLONG (xdrs, &tmp) == FALSE)
|
|
+ return FALSE;
|
|
+
|
|
+ *ulp = (uint32_t) tmp;
|
|
+ return TRUE;
|
|
+ }
|
|
+
|
|
+ case XDR_ENCODE:
|
|
+ if (sizeof (uint32_t) != sizeof (u_long)
|
|
+ && (uint32_t) *ulp != *ulp)
|
|
+ return FALSE;
|
|
+
|
|
+ return XDR_PUTLONG (xdrs, (long *) ulp);
|
|
+
|
|
+ case XDR_FREE:
|
|
+ return TRUE;
|
|
+ }
|
|
+ return FALSE;
|
|
+}
|
|
+
|
|
+#endif /* UCLIBC */
|
|
+
|
|
bool_t
|
|
xdr_xpasswd(XDR * xdrs, xpasswd * objp)
|
|
{
|