Commit | Line | Data |
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da7c5cc6 | 1 | /* |
ac79b8e6 | 2 | * Copyright (c) 1982, 1986, 1990 Regents of the University of California. |
e0813a30 | 3 | * All rights reserved. |
da7c5cc6 | 4 | * |
dbf0c423 | 5 | * %sccs.include.redist.c% |
e0813a30 | 6 | * |
77f9c500 | 7 | * @(#)sys_socket.c 7.13 (Berkeley) %G% |
da7c5cc6 | 8 | */ |
48aab316 | 9 | |
94368568 JB |
10 | #include "param.h" |
11 | #include "systm.h" | |
77f9c500 | 12 | #include "proc.h" |
94368568 JB |
13 | #include "file.h" |
14 | #include "mbuf.h" | |
15 | #include "protosw.h" | |
16 | #include "socket.h" | |
17 | #include "socketvar.h" | |
18 | #include "ioctl.h" | |
94368568 | 19 | #include "stat.h" |
48aab316 | 20 | |
b6b0de03 MK |
21 | #include "net/if.h" |
22 | #include "net/route.h" | |
48aab316 | 23 | |
48aab316 | 24 | struct fileops socketops = |
c4ec2128 | 25 | { soo_read, soo_write, soo_ioctl, soo_select, soo_close }; |
48aab316 | 26 | |
c4ec2128 KM |
27 | /* ARGSUSED */ |
28 | soo_read(fp, uio, cred) | |
48aab316 | 29 | struct file *fp; |
48aab316 | 30 | struct uio *uio; |
c4ec2128 | 31 | struct ucred *cred; |
48aab316 | 32 | { |
48aab316 | 33 | |
c4ec2128 | 34 | return (soreceive((struct socket *)fp->f_data, (struct mbuf **)0, |
ac79b8e6 | 35 | uio, (struct mbuf **)0, (struct mbuf **)0, (int *)0)); |
c4ec2128 KM |
36 | } |
37 | ||
38 | /* ARGSUSED */ | |
39 | soo_write(fp, uio, cred) | |
40 | struct file *fp; | |
41 | struct uio *uio; | |
42 | struct ucred *cred; | |
43 | { | |
44 | ||
45 | return (sosend((struct socket *)fp->f_data, (struct mbuf *)0, | |
ac79b8e6 | 46 | uio, (struct mbuf *)0, (struct mbuf *)0, 0)); |
48aab316 SL |
47 | } |
48 | ||
8429d022 | 49 | soo_ioctl(fp, cmd, data, p) |
48aab316 SL |
50 | struct file *fp; |
51 | int cmd; | |
52 | register caddr_t data; | |
8429d022 | 53 | struct proc *p; |
48aab316 SL |
54 | { |
55 | register struct socket *so = (struct socket *)fp->f_data; | |
56 | ||
57 | switch (cmd) { | |
58 | ||
59 | case FIONBIO: | |
60 | if (*(int *)data) | |
61 | so->so_state |= SS_NBIO; | |
62 | else | |
63 | so->so_state &= ~SS_NBIO; | |
1116b929 | 64 | return (0); |
48aab316 SL |
65 | |
66 | case FIOASYNC: | |
d1ba3865 | 67 | if (*(int *)data) { |
48aab316 | 68 | so->so_state |= SS_ASYNC; |
d1ba3865 MK |
69 | so->so_rcv.sb_flags |= SB_ASYNC; |
70 | so->so_snd.sb_flags |= SB_ASYNC; | |
71 | } else { | |
48aab316 | 72 | so->so_state &= ~SS_ASYNC; |
d1ba3865 MK |
73 | so->so_rcv.sb_flags &= ~SB_ASYNC; |
74 | so->so_snd.sb_flags &= ~SB_ASYNC; | |
75 | } | |
1116b929 | 76 | return (0); |
48aab316 | 77 | |
8b899dbe SL |
78 | case FIONREAD: |
79 | *(int *)data = so->so_rcv.sb_cc; | |
1116b929 | 80 | return (0); |
8b899dbe | 81 | |
48aab316 | 82 | case SIOCSPGRP: |
a2aebb63 | 83 | so->so_pgid = *(int *)data; |
1116b929 | 84 | return (0); |
48aab316 SL |
85 | |
86 | case SIOCGPGRP: | |
a2aebb63 | 87 | *(int *)data = so->so_pgid; |
1116b929 | 88 | return (0); |
48aab316 SL |
89 | |
90 | case SIOCATMARK: | |
91 | *(int *)data = (so->so_state&SS_RCVATMARK) != 0; | |
1116b929 | 92 | return (0); |
48aab316 | 93 | } |
1116b929 SL |
94 | /* |
95 | * Interface/routing/protocol specific ioctls: | |
96 | * interface and routing ioctls should have a | |
97 | * different entry since a socket's unnecessary | |
98 | */ | |
ac79b8e6 | 99 | if (IOCGROUP(cmd) == 'i') |
8429d022 | 100 | return (ifioctl(so, cmd, data, p)); |
ac79b8e6 | 101 | if (IOCGROUP(cmd) == 'r') |
8429d022 | 102 | return (rtioctl(cmd, data, p)); |
1116b929 SL |
103 | return ((*so->so_proto->pr_usrreq)(so, PRU_CONTROL, |
104 | (struct mbuf *)cmd, (struct mbuf *)data, (struct mbuf *)0)); | |
48aab316 SL |
105 | } |
106 | ||
8429d022 | 107 | soo_select(fp, which, p) |
48aab316 SL |
108 | struct file *fp; |
109 | int which; | |
8429d022 | 110 | struct proc *p; |
48aab316 SL |
111 | { |
112 | register struct socket *so = (struct socket *)fp->f_data; | |
113 | register int s = splnet(); | |
114 | ||
115 | switch (which) { | |
116 | ||
117 | case FREAD: | |
118 | if (soreadable(so)) { | |
119 | splx(s); | |
120 | return (1); | |
121 | } | |
77f9c500 KM |
122 | selrecord(p, &so->so_rcv.sb_sel); |
123 | so->so_rcv.sb_flags |= SB_SEL; | |
48aab316 SL |
124 | break; |
125 | ||
126 | case FWRITE: | |
127 | if (sowriteable(so)) { | |
128 | splx(s); | |
129 | return (1); | |
130 | } | |
77f9c500 KM |
131 | selrecord(p, &so->so_snd.sb_sel); |
132 | so->so_snd.sb_flags |= SB_SEL; | |
48aab316 | 133 | break; |
de2c74a5 MK |
134 | |
135 | case 0: | |
77f9c500 | 136 | if (so->so_oobmark || (so->so_state & SS_RCVATMARK)) { |
de2c74a5 MK |
137 | splx(s); |
138 | return (1); | |
139 | } | |
77f9c500 KM |
140 | selrecord(p, &so->so_rcv.sb_sel); |
141 | so->so_rcv.sb_flags |= SB_SEL; | |
de2c74a5 | 142 | break; |
48aab316 SL |
143 | } |
144 | splx(s); | |
145 | return (0); | |
146 | } | |
147 | ||
92438dfc SL |
148 | soo_stat(so, ub) |
149 | register struct socket *so; | |
48aab316 SL |
150 | register struct stat *ub; |
151 | { | |
48aab316 SL |
152 | |
153 | bzero((caddr_t)ub, sizeof (*ub)); | |
19ab7527 | 154 | ub->st_mode = S_IFSOCK; |
48aab316 SL |
155 | return ((*so->so_proto->pr_usrreq)(so, PRU_SENSE, |
156 | (struct mbuf *)ub, (struct mbuf *)0, | |
157 | (struct mbuf *)0)); | |
48aab316 SL |
158 | } |
159 | ||
9bb1dbe9 KM |
160 | /* ARGSUSED */ |
161 | soo_close(fp, p) | |
48aab316 | 162 | struct file *fp; |
9bb1dbe9 | 163 | struct proc *p; |
48aab316 | 164 | { |
ec04fec2 | 165 | int error = 0; |
e0813a30 | 166 | |
ec04fec2 SL |
167 | if (fp->f_data) |
168 | error = soclose((struct socket *)fp->f_data); | |
48aab316 SL |
169 | fp->f_data = 0; |
170 | return (error); | |
171 | } |