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1.1 misho 1: /*
2: * Copyright (c) 2004 Rinet Corp., Novosibirsk, Russia
3: *
4: * Redistribution and use in source forms, with and without modification,
5: * are permitted provided that this entire comment appears intact.
6: *
7: * THIS SOURCE CODE IS PROVIDED ``AS IS'' WITHOUT ANY WARRANTIES OF ANY KIND.
8: */
9:
10: #ifdef HAVE_CONFIG_H
11: #include <config.h>
12: #endif
13:
14: #include <stdio.h>
15: #include <string.h>
16: #include <pcap.h>
17:
18: #include "show_if.h"
19: #include "trafshow.h"
20: #include "screen.h"
21: #include "selector.h"
22: #include "addrtoname.h"
23:
24: #ifdef notdef
25: static void addr2str(const pcap_addr_t *ap, char *addr_buf, int addr_len);
26: #endif
27:
28: static void
29: scale_size(name, addr, descr)
30: int *name, *addr, *descr;
31: {
32: *name = line_factor * (double)SHOW_IF_NAME;
33: *addr = line_factor * (double)SHOW_IF_ADDR;
34: *descr = line_factor * (double)SHOW_IF_DESCR;
35: }
36:
37: static int
38: show_if_header(dst, size, unused)
39: char *dst;
40: int size;
41: const void *unused;
42: {
43: int name_sz, addr_sz, desc_sz;
44:
45: /* sanity check */
46: if (!dst || size < 1 || unused)
47: return 0;
48:
49: scale_size(&name_sz, &addr_sz, &desc_sz);
50:
51: snprintf(dst, size,
52: "%-*.*s %-*.*s %-*.*s",
53: name_sz, name_sz, "Interface",
54: addr_sz, addr_sz, "Address",
55: desc_sz, desc_sz, "Description");
56: return 0;
57: }
58:
59: #ifdef notdef
60: /* extract list of interface addr/mask pairs */
61: static void
62: addr2str(ap, addr_buf, addr_len)
63: const pcap_addr_t *ap;
64: char *addr_buf;
65: int addr_len;
66: {
67: int i, rest;
68: char *cp;
69:
70: *addr_buf = '\0';
71: cp = addr_buf;
72: rest = addr_len - 1;
73: for (; ap && rest > 0; ap = ap->next) {
74: if (ap->addr) {
75: if (*addr_buf) {
76: *cp++ = ' ';
77: *cp = '\0';
78: rest--;
79: }
80: if (satoa(ap->addr, cp, rest)) {
81: i = strlen(cp);
82: cp += i;
83: rest -= i;
84: }
85: }
86: if (ap->netmask) {
87: if (*addr_buf) {
88: *cp++ = ' ';
89: *cp = '\0';
90: rest--;
91: }
92: if (satoa(ap->netmask, cp, rest)) {
93: i = strlen(cp);
94: cp += i;
95: rest -= i;
96: }
97: }
98: }
99: }
100: #endif
101:
102: static int
103: show_if_line(dst, size, ph, idx)
104: char *dst;
105: int size;
106: const PCAP_HANDLER *ph;
107: int idx;
108: {
109: int i, name_sz, addr_sz, desc_sz;
110:
111: /* sanity check */
112: if (!dst || size < 1)
113: return 0;
114:
115: *dst = '\0';
116: for (i = 0; ph; ph = ph->next) {
117: if (i++ == idx) break;
118: }
119: if (!ph) return 0;
120:
121: scale_size(&name_sz, &addr_sz, &desc_sz);
122: snprintf(dst, size,
123: "%-*.*s %-*.*s %-*.*s",
124: name_sz, name_sz, ph->name,
125: addr_sz, addr_sz, ph->addrstr,
126: desc_sz, desc_sz, ph->descr ? ph->descr : "");
127: return 0;
128: }
129:
130: static int
131: show_if_footer(dst, size, unused)
132: char *dst;
133: int size;
134: const void *unused;
135: {
136: /* sanity check */
137: if (!dst || size < 1 || unused)
138: return 0;
139:
140: (void)strncpy(dst, hostname, size);
141: dst[size-1] = '\0';
142: return 0;
143: }
144:
145: SELECTOR *
146: show_if_selector()
147: {
148: static SELECTOR *sp = 0;
149: if (!sp && (sp = selector_init()) != 0) {
150: sp->get_header = show_if_header;
151: sp->get_line = show_if_line;
152: sp->get_footer = show_if_footer;
153: }
154: return sp;
155: }
156:
157: int
158: show_if_search(ph, str)
159: PCAP_HANDLER *ph;
160: const char *str;
161: {
162: int idx;
163:
164: /* sanity check */
165: if (!str || *str == '\0')
166: return -1;
167:
168: for (idx = 0; ph; ph = ph->next, idx++) {
169: if (strstr(ph->name, str))
170: return idx;
171: if (strstr(ph->addrstr, str))
172: return idx;
173: }
174: return -1;
175: }
176:
177: SELECTOR *
178: show_if_list(ph)
179: PCAP_HANDLER *ph;
180: {
181: SELECTOR *sp;
182:
183: /* sanity check */
184: if (!ph || (sp = show_if_selector()) == 0)
185: return 0;
186:
187: sp->header = 0; /* unused */
188: sp->footer = 0; /* unused */
189:
190: sp->list = ph;
191: sp->items = 0;
192: for (; ph; ph = ph->next)
193: sp->items++;
194:
195: return sp;
196: }
197: