Hi,
I am writing some cgi software to allow users to manage ppp links on a
closit gateway machine. One feature I need is the ability to use a user
supplied password to send as the PAP authentication token.
In previous versions of ppp, I have written my own patches, but every
version has significant changes, which means that I have to re-work my
patch.
This problem is now solved as I have now put it in a plugin. (Plugins are
a great idea!)
The problem I am having is that ppp is not working. I am not sure where
the problem is.
My questions are then:
Does ppp-2.3.10 work with kernel 2.2.13?
Is there a problem with my plugin? (see below). It compiles, loads and
reads the password, but as soon as the link attempts to start, I get a
signal 11 and everything dies.
Here is the plugin.
11 #include <stddef.h>
12 #include <time.h>
13 #include "pppd.h"
14
15 int attempt_auth = 0;
16
17 char jn_authpass[MAXSECRETLEN] = "";
18
19 static int authpass __P((char **));
20
21 static option_t my_options[] = {
22 {"authpass", o_special_noarg, authpass,
23 "read password from stdin"},
24 { NULL }
25 };
26
27 static int my_pap_passwd_hook(char *user, char *passwd)
28 {
29 // copy the password into passwd
30
31 if(attempt_auth)
32 {
33 strncpy(passwd, jn_authpass, MAXSECRETLEN);
34 return 0;
35 }
36 else
37 {
38 return -1;
39 }
40
41 }
42
43 void plugin_init(void)
44 {
45 info("plugin_init");
46 add_options(my_options);
47
48 // hook the auth functions...
49 //idle_time_hook = my_get_idle;
50 pap_passwd_hook = my_pap_passwd_hook;
51 }
52
53 static int authpass(argv) char **argv;
54 {
55 int i;
56 info("authpass");
57
58 fgets(jn_authpass, MAXNAMELEN, stdin);
59
60 // we have to get rid of the new line in the string....
61 for(i=0; i<MAXNAMELEN; i++)
62 {
63 if(jn_authpass[i] == '\n')
64 {
65 jn_authpass[i] = 0;
66 }
67 }
68 attempt_auth = 1;
69 return 1;
70 }
71
Any help would be much appreciated.
Please e-mail me with any reply, as I am not on the list.
P.S. Who is the ppp maintainer? I can't seem to find them anywhere.
A feature such as I am trying to add seems to be very useful, I am
supprised that it is not present.
Thanks,
John.
--
http://uranus.it.swin.edu.au/~jn/linux/
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