Allow ROUTERADVERT to be an up reason.
[dhcpcd-ui] / src / libdhcpcd / misc.c
1 /*
2  * libdhcpcd
3  * Copyright 2009 Roy Marples <roy@marples.name>
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26
27 #include <arpa/inet.h>
28
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
32
33 #include <libintl.h>
34
35 #define IN_LIBDHCPCD
36 #include "libdhcpcd.h"
37
38 #define _ gettext
39
40 static const char *const dhcpcd_up_reasons[] = {
41         "BOUND",
42         "RENEW",
43         "REBIND",
44         "REBOOT",
45         "IPV4LL",
46         "INFORM",
47         "STATIC",
48         "TIMEOUT",
49         "ROUTERADVERT",
50         NULL
51 };
52
53 static const char *const dhcpcd_down_reasons[] = {
54         "EXPIRE",
55         "FAIL",
56         "NAK",
57         "NOCARRIER",
58         "STOP",
59         NULL
60 };
61
62 bool
63 dhcpcd_if_up(const DHCPCD_IF *i)
64 {
65         const char *const *r;
66
67         for (r = dhcpcd_up_reasons; *r; r++)
68                 if (strcmp(*r, i->reason) == 0)
69                         return true;
70         return false;
71 }
72
73 bool
74 dhcpcd_if_down(const DHCPCD_IF *i)
75 {
76         const char *const *r;
77
78         for (r = dhcpcd_down_reasons; *r; r++)
79                 if (strcmp(*r, i->reason) == 0)
80                         return true;
81         return false;
82 }
83
84 char *
85 dhcpcd_if_message(const DHCPCD_IF *i)
86 {
87         char *msg, *p;
88         const char *reason = NULL;
89         size_t len;
90         bool showip, showssid;
91     
92         showip = true;
93         showssid = false;
94         if (dhcpcd_if_up(i))
95                 reason = _("Acquired address");
96         else if (strcmp(i->reason, "EXPIRE") == 0)
97                 reason = _("Expired");
98         else if (strcmp(i->reason, "CARRIER") == 0) {
99                 if (i->wireless) {
100                         reason = _("Associated with");
101                         if (*i->ssid != '\0')
102                                 showssid = true;
103                 } else
104                         reason = _("Cable plugged in");
105                 showip = false;
106         } else if (strcmp(i->reason, "NOCARRIER") == 0) {
107                 if (i->wireless) {
108                         if (*i->ssid != '\0' || i->ip.s_addr != 0) {
109                                 reason = _("Disassociated from");
110                                 showssid = true;
111                         } else
112                                 reason = _("Not associated");
113                 } else
114                         reason = _("Cable unplugged");
115                 showip = false;
116         } else if (strcmp(i->reason, "FAIL") == 0)
117                 reason = _("Automatic configuration not possible");
118         else if (strcmp(i->reason, "3RDPARTY") == 0)
119                 reason = _("Waiting for 3rd Party configuration");
120
121         if (reason == NULL)
122                 reason = i->reason;
123         
124         len = strlen(i->ifname) + 3;
125         len += strlen(reason) + 1;
126         if (i->ip.s_addr != 0) {
127                 len += 16; /* 000. * 4 */
128                 if (i->cidr != 0)
129                         len += 3; /* /32 */
130         }
131         if (showssid)
132                 len += strlen(i->ssid) + 1;
133         msg = p = malloc(len);
134         p += snprintf(msg, len, "%s: %s", i->ifname, reason);
135         if (showssid)
136                 p += snprintf(p, len - (p - msg), " %s", i->ssid);
137         if (i->ip.s_addr != 0 && showip) {
138                 p += snprintf(p, len - (p - msg), " %s", inet_ntoa(i->ip));
139                 if (i->cidr != 0)
140                         snprintf(p, len - (p - msg), "/%d", i->cidr);
141         }
142         return msg;
143 }