1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
pppd: Remove runtime kernel checks
On embedded system distributions the required kernel features for pppd are
more or less guaranteed to be present, so there is not much point in
performing runtime checks, it just increases the binary size.
This patch removes the runtime kernel feature checks.
Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
--- a/pppd/sys-linux.c
+++ b/pppd/sys-linux.c
@@ -203,7 +203,7 @@ static int driver_is_old = 0;
static int restore_term = 0; /* 1 => we've munged the terminal */
static struct termios inittermios; /* Initial TTY termios */
-int new_style_driver = 0;
+static const int new_style_driver = 1;
static char loop_name[20];
static unsigned char inbuf[512]; /* buffer for chars read from loopback */
@@ -220,8 +220,8 @@ static int looped; /* 1 if using loop
static int link_mtu; /* mtu for the link (not bundle) */
static struct utsname utsname; /* for the kernel version */
-static int kernel_version;
#define KVERSION(j,n,p) ((j)*1000000 + (n)*1000 + (p))
+static const int kernel_version = KVERSION(2,6,37);
#define MAX_IFS 100
@@ -1438,11 +1438,12 @@ int ccp_fatal_error (int unit)
*
* path_to_procfs - find the path to the proc file system mount point
*/
-static char proc_path[MAXPATHLEN];
-static int proc_path_len;
+static char proc_path[MAXPATHLEN] = "/proc";
+static int proc_path_len = 5;
static char *path_to_procfs(const char *tail)
{
+#if 0
struct mntent *mntent;
FILE *fp;
@@ -1464,6 +1465,7 @@ static char *path_to_procfs(const char *
fclose (fp);
}
}
+#endif
strlcpy(proc_path + proc_path_len, tail,
sizeof(proc_path) - proc_path_len);
@@ -2116,15 +2118,19 @@ int ppp_available(void)
int my_version, my_modification, my_patch;
int osmaj, osmin, ospatch;
+#if 0
/* get the kernel version now, since we are called before sys_init */
uname(&utsname);
osmaj = osmin = ospatch = 0;
sscanf(utsname.release, "%d.%d.%d", &osmaj, &osmin, &ospatch);
kernel_version = KVERSION(osmaj, osmin, ospatch);
+#endif
fd = open("/dev/ppp", O_RDWR);
if (fd >= 0) {
+#if 0
new_style_driver = 1;
+#endif
/* XXX should get from driver */
driver_version = 2;
@@ -2185,6 +2191,7 @@ int ppp_available(void)
if (ok && ((ifr.ifr_hwaddr.sa_family & ~0xFF) != ARPHRD_PPP))
ok = 0;
+ return ok;
/*
* This is the PPP device. Validate the version of the driver at this
@@ -2678,6 +2685,7 @@ get_pty(master_fdp, slave_fdp, slave_nam
}
#endif /* TIOCGPTN */
+#if 0
if (sfd < 0) {
/* the old way - scan through the pty name space */
for (i = 0; i < 64; ++i) {
@@ -2696,6 +2704,7 @@ get_pty(master_fdp, slave_fdp, slave_nam
}
}
}
+#endif
if (sfd < 0)
return 0;
--- a/pppd/plugins/pppoatm/pppoatm.c
+++ b/pppd/plugins/pppoatm/pppoatm.c
@@ -170,14 +170,6 @@ static void disconnect_pppoatm(void)
void plugin_init(void)
{
-#if defined(__linux__)
- extern int new_style_driver; /* From sys-linux.c */
- if (!ppp_available() && !new_style_driver)
- fatal("Kernel doesn't support ppp_generic - "
- "needed for PPPoATM");
-#else
- fatal("No PPPoATM support on this OS");
-#endif
info("PPPoATM plugin_init");
add_options(pppoa_options);
}
--- a/pppd/plugins/rp-pppoe/plugin.c
+++ b/pppd/plugins/rp-pppoe/plugin.c
@@ -60,9 +60,6 @@ static char const RCSID[] =
char pppd_version[] = VERSION;
-/* From sys-linux.c in pppd -- MUST FIX THIS! */
-extern int new_style_driver;
-
char *pppd_pppoe_service = NULL;
static char *acName = NULL;
static char *existingSession = NULL;
@@ -340,10 +337,6 @@ PPPoEDevnameHook(char *cmd, char **argv,
void
plugin_init(void)
{
- if (!ppp_available() && !new_style_driver) {
- fatal("Linux kernel does not support PPPoE -- are you running 2.4.x?");
- }
-
add_options(Options);
info("RP-PPPoE plugin version %s compiled against pppd %s",
--- a/pppd/plugins/pppol2tp/pppol2tp.c
+++ b/pppd/plugins/pppol2tp/pppol2tp.c
@@ -500,12 +500,7 @@ static void pppol2tp_cleanup(void)
void plugin_init(void)
{
-#if defined(__linux__)
- extern int new_style_driver; /* From sys-linux.c */
- if (!ppp_available() && !new_style_driver)
- fatal("Kernel doesn't support ppp_generic - "
- "needed for PPPoL2TP");
-#else
+#if !defined(__linux__)
fatal("No PPPoL2TP support on this OS");
#endif
add_options(pppol2tp_options);
|
