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-rw-r--r--lib/libatm/atm_addr.c328
1 files changed, 328 insertions, 0 deletions
diff --git a/lib/libatm/atm_addr.c b/lib/libatm/atm_addr.c
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+++ b/lib/libatm/atm_addr.c
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+/*
+ *
+ * ===================================
+ * HARP | Host ATM Research Platform
+ * ===================================
+ *
+ *
+ * This Host ATM Research Platform ("HARP") file (the "Software") is
+ * made available by Network Computing Services, Inc. ("NetworkCS")
+ * "AS IS". NetworkCS does not provide maintenance, improvements or
+ * support of any kind.
+ *
+ * NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
+ * INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
+ * SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
+ * In no event shall NetworkCS be responsible for any damages, including
+ * but not limited to consequential damages, arising from or relating to
+ * any use of the Software or related support.
+ *
+ * Copyright 1994-1998 Network Computing Services, Inc.
+ *
+ * Copies of this Software may be made, however, the above copyright
+ * notice must be reproduced on all copies.
+ *
+ * @(#) $FreeBSD$
+ *
+ */
+
+/*
+ * User Space Library Functions
+ * ----------------------------
+ *
+ * ATM address utility functions
+ *
+ */
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <netinet/in.h>
+#include <netatm/port.h>
+#include <netatm/atm.h>
+#include <netatm/atm_if.h>
+#include <netatm/atm_sap.h>
+#include <netatm/atm_sys.h>
+#include <netatm/atm_ioctl.h>
+
+#include <stdio.h>
+#include <string.h>
+
+#include "libatm.h"
+
+#ifndef lint
+__RCSID("@(#) $FreeBSD$");
+#endif
+
+
+extern char *prog;
+
+
+/*
+ * Get NSAP, NSAP prefix or MAC address
+ *
+ * Arguments:
+ * in pointer to an address in ASCII
+ * out pointer to a buffer for the converted address
+ * len the length of the output buffer
+ *
+ * Returns:
+ * 0 error in format
+ * len the length of the data in the output buffer
+ *
+ */
+int
+get_hex_atm_addr(in, out, len)
+ char *in;
+ u_char *out;
+ int len;
+{
+ int c_type, c_value, i, out_len, state, val = 0;
+
+ /*
+ * Character table
+ */
+ static struct {
+ char c;
+ int type;
+ int value;
+ } char_table[] = {
+ {'.', 0, 0}, /* Type 0 -- period */
+ {':', 0, 0}, /* Type 0 -- colon */
+ {'0', 1, 0}, /* Type 1 -- hex digit */
+ {'1', 1, 1},
+ {'2', 1, 2},
+ {'3', 1, 3},
+ {'4', 1, 4},
+ {'5', 1, 5},
+ {'6', 1, 6},
+ {'7', 1, 7},
+ {'8', 1, 8},
+ {'9', 1, 9},
+ {'a', 1, 10},
+ {'b', 1, 11},
+ {'c', 1, 12},
+ {'d', 1, 13},
+ {'e', 1, 14},
+ {'f', 1, 15},
+ {'A', 1, 10},
+ {'B', 1, 11},
+ {'C', 1, 12},
+ {'D', 1, 13},
+ {'E', 1, 14},
+ {'F', 1, 15},
+ {'\0', 2, 0}, /* Type 2 -- end of input */
+ };
+
+ /*
+ * State table
+ */
+ static struct {
+ int action;
+ int state;
+ } state_table[3][3] = {
+ /* Period Hex End */
+ { { 0, 0 }, { 1, 1 }, { 2, 0} }, /* Init */
+ { { 4, 0 }, { 3, 2 }, { 4, 0} }, /* C1 */
+ { { 0, 2 }, { 1, 1 }, { 2, 0} }, /* C2 */
+ };
+
+ /*
+ * Initialize
+ */
+ state = 0;
+ out_len = 0;
+ if (!strncasecmp(in, "0x", 2)) {
+ in += 2;
+ }
+
+ /*
+ * Loop through input until state table says to return
+ */
+ while (1) {
+ /*
+ * Get the character type and value
+ */
+ for (i=0; char_table[i].c; i++)
+ if (char_table[i].c == *in)
+ break;
+ if (char_table[i].c != *in)
+ return(0);
+ c_type = char_table[i].type;
+ c_value = char_table[i].value;
+
+ /*
+ * Process next character based on state and type
+ */
+ switch(state_table[state][c_type].action) {
+ case 0:
+ /*
+ * Ignore the character
+ */
+ break;
+
+ case 1:
+ /*
+ * Save the character's value
+ */
+ val = c_value;
+ break;
+
+ case 2:
+ /*
+ * Return the assembled NSAP
+ */
+ return(out_len);
+
+ case 3:
+ /*
+ * Assemble and save the output byte
+ */
+ val = val << 4;
+ val += c_value;
+ out[out_len] = (u_char) val;
+ out_len++;
+ break;
+
+ case 4:
+ /*
+ * Invalid input sequence
+ */
+ return(0);
+
+ default:
+ return(0);
+ }
+
+ /*
+ * Set the next state and go on to the next character
+ */
+ state = state_table[state][c_type].state;
+ in++;
+ }
+}
+
+
+/*
+ * Format an ATM address into a string
+ *
+ * Arguments:
+ * addr pointer to an atm address
+ *
+ * Returns:
+ * none
+ *
+ */
+char *
+format_atm_addr(addr)
+ Atm_addr *addr;
+{
+ int i;
+ char *nsap_format;
+ Atm_addr_nsap *atm_nsap;
+ Atm_addr_e164 *atm_e164;
+ Atm_addr_spans *atm_spans;
+ Atm_addr_pvc *atm_pvc;
+ static char str[256];
+ union {
+ int w;
+ char c[4];
+ } u1, u2;
+
+ static char nsap_format_DCC[] = "0x%02x.%02x%02x.%02x.%02x%02x%02x.%02x%02x.%02x%02x.%02x%02x.%02x%02x%02x%02x%02x%02x.%02x";
+ static char nsap_format_ICD[] = "0x%02x.%02x%02x.%02x.%02x%02x%02x.%02x%02x.%02x%02x.%02x%02x.%02x%02x%02x%02x%02x%02x.%02x";
+ static char nsap_format_E164[] = "0x%02x.%02x%02x%02x%02x%02x%02x%02x%02x.%02x%02x.%02x%02x.%02x%02x%02x%02x%02x%02x.%02x";
+
+ /*
+ * Clear the returned string
+ */
+ UM_ZERO(str, sizeof(str));
+ strcpy(str, "-");
+
+ /*
+ * Print format is determined by address type
+ */
+ switch (addr->address_format) {
+ case T_ATM_ENDSYS_ADDR:
+ atm_nsap = (Atm_addr_nsap *)addr->address;
+ switch(atm_nsap->aan_afi) {
+ default:
+ case AFI_DCC:
+ nsap_format = nsap_format_DCC;
+ break;
+ case AFI_ICD:
+ nsap_format = nsap_format_ICD;
+ break;
+ case AFI_E164:
+ nsap_format = nsap_format_E164;
+ break;
+ }
+ sprintf(str, nsap_format,
+ atm_nsap->aan_afi,
+ atm_nsap->aan_afspec[0],
+ atm_nsap->aan_afspec[1],
+ atm_nsap->aan_afspec[2],
+ atm_nsap->aan_afspec[3],
+ atm_nsap->aan_afspec[4],
+ atm_nsap->aan_afspec[5],
+ atm_nsap->aan_afspec[6],
+ atm_nsap->aan_afspec[7],
+ atm_nsap->aan_afspec[8],
+ atm_nsap->aan_afspec[9],
+ atm_nsap->aan_afspec[10],
+ atm_nsap->aan_afspec[11],
+ atm_nsap->aan_esi[0],
+ atm_nsap->aan_esi[1],
+ atm_nsap->aan_esi[2],
+ atm_nsap->aan_esi[3],
+ atm_nsap->aan_esi[4],
+ atm_nsap->aan_esi[5],
+ atm_nsap->aan_sel);
+ break;
+
+ case T_ATM_E164_ADDR:
+ atm_e164 = (Atm_addr_e164 *)addr->address;
+ for(i=0; i<addr->address_length; i++) {
+ sprintf(&str[strlen(str)], "%c",
+ atm_e164->aae_addr[i]);
+ }
+ break;
+
+ case T_ATM_SPANS_ADDR:
+ /*
+ * Print SPANS address as two words, xxxx.yyyy
+ */
+ atm_spans = (Atm_addr_spans *)addr->address;
+ u1.c[0] = atm_spans->aas_addr[0];
+ u1.c[1] = atm_spans->aas_addr[1];
+ u1.c[2] = atm_spans->aas_addr[2];
+ u1.c[3] = atm_spans->aas_addr[3];
+
+ u2.c[0] = atm_spans->aas_addr[4];
+ u2.c[1] = atm_spans->aas_addr[5];
+ u2.c[2] = atm_spans->aas_addr[6];
+ u2.c[3] = atm_spans->aas_addr[7];
+
+ if (!(u1.w == 0 && u2.w == 0))
+ sprintf(str, "0x%08lx.%08lx", ntohl(u1.w), ntohl(u2.w));
+ break;
+
+ case T_ATM_PVC_ADDR:
+ /*
+ * Print PVC as VPI, VCI
+ */
+ atm_pvc = (Atm_addr_pvc *)addr->address;
+ sprintf(str, "%d, %d",
+ ATM_PVC_GET_VPI(atm_pvc),
+ ATM_PVC_GET_VCI(atm_pvc));
+ break;
+
+ case T_ATM_ABSENT:
+ default:
+ break;
+ }
+
+ return(str);
+}
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