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
|
#!/usr/bin/env python
import os
VERSION = "1.5.2"
def configure(conf):
if conf.CHECK_SOCKET_WRAPPER():
conf.DEFINE('USING_SYSTEM_SOCKET_WRAPPER', 1)
libsocket_wrapper_so_path = 'libsocket_wrapper.so'
else:
conf.CHECK_HEADERS('gnu/lib-names.h')
if conf.CONFIG_SET("HAVE___THREAD"):
conf.DEFINE("HAVE_GCC_THREAD_LOCAL_STORAGE", 1)
# check HAVE_FUNCTION_ATTRIBUTE_FORMAT
conf.CHECK_CODE('''
void log_fn(const char *format, ...) __attribute__ ((format (printf, 1, 2)));
int main(void) {
return 0;
}
''',
'HAVE_FUNCTION_ATTRIBUTE_FORMAT',
addmain=False,
strict=True,
msg='Checking for printf format validation support')
conf.CHECK_C_PROTOTYPE('syscall',
'int syscall(int number, ...)',
define='HAVE_SYSCALL_INT',
headers='unistd.h sys/syscall.h')
conf.CHECK_HEADERS('sys/signalfd.h')
conf.CHECK_HEADERS('sys/eventfd.h')
conf.CHECK_HEADERS('sys/timerfd.h')
conf.CHECK_HEADERS('gnu/lib-names.h')
conf.CHECK_HEADERS('rpc/rpc.h')
conf.CHECK_HEADERS('netinet/tcp_fsm.h')
conf.CHECK_STRUCTURE_MEMBER('struct msghdr',
'msg_control',
headers='sys/types.h sys/socket.h',
define='HAVE_STRUCT_MSGHDR_MSG_CONTROL')
conf.CHECK_STRUCTURE_MEMBER('struct in_pktinfo',
'ipi_addr',
headers='sys/types.h sys/socket.h netinet/in.h',
define='HAVE_STRUCT_IN_PKTINFO')
conf.CHECK_STRUCTURE_MEMBER('struct in6_pktinfo',
'ipi6_addr',
headers='sys/types.h sys/socket.h netinet/in.h',
define='HAVE_STRUCT_IN6_PKTINFO')
conf.CHECK_FUNCS('getaddrinfo')
conf.CHECK_FUNCS('signalfd eventfd timerfd_create')
conf.CHECK_FUNCS('bindresvport')
conf.CHECK_FUNCS('pledge')
conf.CHECK_FUNCS('accept4')
conf.CHECK_FUNCS('sendmmsg recvmmsg')
conf.CHECK_FUNCS('__close_nocancel')
conf.CHECK_FUNCS('openat64')
conf.CHECK_FUNCS('fopen64')
conf.CHECK_FUNCS('open64')
conf.CHECK_FUNCS('fcntl64')
conf.CHECK_FUNCS_IN('bind',
'socket',
checklibc=True,
headers='sys/types.h sys/socket.h')
conf.CHECK_C_PROTOTYPE('accept',
'int accept(int s, struct sockaddr *addr, Psocklen_t addrlen)',
define='HAVE_ACCEPT_PSOCKLEN_T', headers='sys/types.h sys/socket.h')
# Linux legacy glibc < 2.21
conf.CHECK_C_PROTOTYPE('recvmmsg',
'int recvmmsg(int __fd, struct mmsghdr *__vmessages, unsigned int __vlen, int __flags, const struct timespec *__tmo)',
define='HAVE_RECVMMSG_CONST_TIMEOUT', headers='sys/types.h sys/socket.h')
# FreeBSD
conf.CHECK_C_PROTOTYPE('recvmmsg',
'ssize_t recvmmsg(int __fd, struct mmsghdr * __restrict __vmessages, size_t __vlen, int __flags, const struct timespec * __restrict __tmo)',
define='HAVE_RECVMMSG_SSIZE_T_CONST_TIMEOUT', headers='sys/types.h sys/socket.h')
# FreeBSD
conf.CHECK_C_PROTOTYPE('sendmmsg',
'ssize_t sendmmsg(int __fd, struct mmsghdr * __restrict __vmessages, size_t __vlen, int __flags)',
define='HAVE_SENDMMSG_SSIZE_T', headers='sys/types.h sys/socket.h')
conf.CHECK_C_PROTOTYPE('ioctl',
'int ioctl(int s, int r, ...)',
define='HAVE_IOCTL_INT', headers='unistd.h sys/ioctl.h')
if conf.CONFIG_SET("HAVE_EVENTFD"):
conf.CHECK_C_PROTOTYPE('eventfd',
'int eventfd(unsigned int count, int flags)',
define='HAVE_EVENTFD_UNSIGNED_INT', headers='sys/eventfd.h')
# FreeBSD exports each syscall also with '_' as prefix
# and these symbols are used if called by system libraries itself.
# That means socket_wrapper needs to implement these too
# in order to inject itself into system libraries,
# we just check for _socket and _close and assume the rest
# is also there...
conf.CHECK_FUNCS('_socket _close')
# Create full path to socket_wrapper
blddir = os.path.realpath(conf.bldnode.abspath())
libsocket_wrapper_so_path = blddir + '/default/third_party/socket_wrapper/libsocket-wrapper.so'
conf.DEFINE('LIBSOCKET_WRAPPER_SO_PATH', libsocket_wrapper_so_path)
conf.DEFINE('SOCKET_WRAPPER', 1)
def build(bld):
if not bld.CONFIG_SET("USING_SYSTEM_SOCKET_WRAPPER"):
# We need to do it this way or the library wont work.
# We need force_unversioned=True as symbol versioning
# breaks preloading!
bld.SAMBA_LIBRARY('socket_wrapper',
source='socket_wrapper.c',
cflags='-D%s="%s" -D%s="%s"' % (
"SOCKET_WRAPPER_PACKAGE",
"samba_socket_wrapper",
"SOCKET_WRAPPER_VERSION",
VERSION),
deps='dl pthread tirpc',
install=False,
force_unversioned=True,
realname='libsocket-wrapper.so')
|
