[96b39164] | 1 | /* |
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| 2 | * $Id$ |
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| 3 | */ |
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| 4 | |
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[39e6e65a] | 5 | #include <string.h> |
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| 6 | #include <stdarg.h> |
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[ff0f694d] | 7 | #include <stdlib.h> |
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[39e6e65a] | 8 | #include <stdio.h> |
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| 9 | |
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| 10 | #include <rtems.h> |
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| 11 | #include <rtems/libio.h> |
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| 12 | #include <rtems/error.h> |
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| 13 | #include <rtems/rtems_bsdnet.h> |
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| 14 | |
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| 15 | #include <sys/errno.h> |
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| 16 | #include <sys/types.h> |
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| 17 | #include <sys/param.h> |
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| 18 | #include <sys/mbuf.h> |
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| 19 | #include <sys/socket.h> |
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| 20 | #include <sys/socketvar.h> |
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| 21 | #include <sys/protosw.h> |
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| 22 | #include <sys/proc.h> |
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| 23 | #include <sys/filio.h> |
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| 24 | |
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| 25 | #include <net/if.h> |
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| 26 | #include <net/route.h> |
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| 27 | |
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| 28 | /* |
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| 29 | ********************************************************************* |
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| 30 | * Map RTEMS file descriptor to BSD socket * |
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| 31 | ********************************************************************* |
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| 32 | */ |
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| 33 | struct fdsock { |
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| 34 | int indexFreeNext; |
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| 35 | struct socket *sock; |
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| 36 | }; |
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| 37 | static struct fdsock *fdsock; |
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| 38 | static int fdsockCount; |
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| 39 | static int indexFreeHead = -1; |
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| 40 | |
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| 41 | /* |
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| 42 | * Convert an RTEMS file descriptor to a BSD socket pointer. |
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| 43 | */ |
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| 44 | static struct socket * |
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| 45 | fdToSocket (int fd) |
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| 46 | { |
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| 47 | int i; |
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| 48 | struct socket *s; |
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| 49 | |
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| 50 | if ((fd < 0) |
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| 51 | || (rtems_file_descriptor_type(fd) != RTEMS_FILE_DESCRIPTOR_TYPE_SOCKET) |
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| 52 | || ((i = rtems_file_descriptor_base(fd)) >= fdsockCount) |
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| 53 | || ((s = fdsock[i].sock) == NULL)) { |
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| 54 | errno = EBADF; |
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| 55 | return NULL; |
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| 56 | } |
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| 57 | return s; |
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| 58 | } |
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| 59 | |
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| 60 | /* |
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| 61 | * Enlarge the size of the file-descritor/socket pointer map. |
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| 62 | */ |
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| 63 | static int |
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| 64 | enlargeFdMap (void) |
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| 65 | { |
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| 66 | struct fdsock *nfdsock; |
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| 67 | int i; |
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| 68 | |
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| 69 | nfdsock = realloc (fdsock, sizeof *fdsock * (fdsockCount + 20)); |
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| 70 | if (nfdsock == NULL) { |
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| 71 | errno = ENFILE; |
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| 72 | return 0; |
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| 73 | } |
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| 74 | fdsock = nfdsock; |
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| 75 | for (i = fdsockCount, fdsockCount += 20 ; i < fdsockCount ; i++) { |
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| 76 | fdsock[i].sock = NULL; |
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| 77 | fdsock[i].indexFreeNext = indexFreeHead; |
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| 78 | indexFreeHead = i; |
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| 79 | } |
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| 80 | return 1; |
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| 81 | } |
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| 82 | |
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| 83 | /* |
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| 84 | * Create a file descriptor for a new socket |
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| 85 | */ |
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| 86 | static int |
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| 87 | makeFd (struct socket *s) |
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| 88 | { |
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| 89 | int i; |
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| 90 | |
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| 91 | if ((indexFreeHead < 0) && !enlargeFdMap ()) |
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| 92 | return -1; |
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| 93 | i = indexFreeHead; |
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| 94 | indexFreeHead = fdsock[i].indexFreeNext; |
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| 95 | fdsock[i].sock = s; |
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| 96 | return rtems_make_file_descriptor(i,RTEMS_FILE_DESCRIPTOR_TYPE_SOCKET); |
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| 97 | } |
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| 98 | |
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| 99 | /* |
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| 100 | * Package system call argument into mbuf. |
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| 101 | */ |
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| 102 | static int |
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| 103 | sockargstombuf (struct mbuf **mp, const void *buf, int buflen, int type) |
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| 104 | { |
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| 105 | struct mbuf *m; |
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| 106 | |
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| 107 | if ((u_int)buflen > MLEN) |
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| 108 | return (EINVAL); |
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| 109 | m = m_get(M_WAIT, type); |
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| 110 | if (m == NULL) |
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| 111 | return (ENOBUFS); |
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| 112 | m->m_len = buflen; |
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| 113 | memcpy (mtod(m, caddr_t), buf, buflen); |
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| 114 | *mp = m; |
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| 115 | if (type == MT_SONAME) { |
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| 116 | struct sockaddr *sa; |
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| 117 | sa = mtod(m, struct sockaddr *); |
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| 118 | sa->sa_len = buflen; |
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| 119 | } |
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| 120 | return 0; |
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| 121 | } |
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| 122 | |
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| 123 | /* |
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| 124 | ********************************************************************* |
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| 125 | * BSD-style entry points * |
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| 126 | ********************************************************************* |
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| 127 | */ |
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| 128 | int |
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| 129 | socket (int domain, int type, int protocol) |
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| 130 | { |
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| 131 | int fd = -1; |
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| 132 | int error; |
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| 133 | struct socket *so; |
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| 134 | |
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| 135 | rtems_bsdnet_semaphore_obtain (); |
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| 136 | error = socreate(domain, &so, type, protocol, NULL); |
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| 137 | if (error == 0) { |
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| 138 | fd = makeFd (so); |
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| 139 | if (fd < 0) |
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| 140 | soclose (so); |
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| 141 | } |
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| 142 | else { |
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| 143 | errno = error; |
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| 144 | fd = -1; |
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| 145 | } |
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| 146 | rtems_bsdnet_semaphore_release (); |
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| 147 | return fd; |
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| 148 | } |
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| 149 | |
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| 150 | int |
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| 151 | bind (int s, struct sockaddr *name, int namelen) |
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| 152 | { |
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| 153 | int error; |
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| 154 | int ret = -1; |
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| 155 | struct socket *so; |
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| 156 | struct mbuf *nam; |
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| 157 | |
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| 158 | rtems_bsdnet_semaphore_obtain (); |
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| 159 | if ((so = fdToSocket (s)) != NULL) { |
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| 160 | error = sockargstombuf (&nam, name, namelen, MT_SONAME); |
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| 161 | if (error == 0) { |
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| 162 | error = sobind (so, nam); |
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| 163 | if (error == 0) |
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| 164 | ret = 0; |
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| 165 | else |
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| 166 | errno = error; |
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| 167 | m_freem (nam); |
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| 168 | } |
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| 169 | else { |
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| 170 | errno = error; |
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| 171 | } |
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| 172 | } |
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| 173 | rtems_bsdnet_semaphore_release (); |
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| 174 | return ret; |
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| 175 | } |
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| 176 | |
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| 177 | int |
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| 178 | connect (int s, struct sockaddr *name, int namelen) |
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| 179 | { |
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| 180 | int error; |
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| 181 | int ret = -1; |
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| 182 | struct socket *so; |
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| 183 | struct mbuf *nam; |
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| 184 | |
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| 185 | rtems_bsdnet_semaphore_obtain (); |
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| 186 | if ((so = fdToSocket (s)) == NULL) { |
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| 187 | rtems_bsdnet_semaphore_release (); |
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| 188 | return -1; |
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| 189 | } |
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| 190 | if ((so->so_state & SS_NBIO) && (so->so_state & SS_ISCONNECTING)) { |
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| 191 | errno = EALREADY; |
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| 192 | rtems_bsdnet_semaphore_release (); |
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| 193 | return -1; |
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| 194 | } |
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| 195 | error = sockargstombuf (&nam, name, namelen, MT_SONAME); |
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| 196 | if (error) { |
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| 197 | errno = error; |
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| 198 | rtems_bsdnet_semaphore_release (); |
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| 199 | return -1; |
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| 200 | } |
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| 201 | error = soconnect (so, nam); |
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| 202 | if (error) { |
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| 203 | errno = error; |
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| 204 | rtems_bsdnet_semaphore_release (); |
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| 205 | return -1; |
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| 206 | } |
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| 207 | if ((so->so_state & SS_NBIO) && (so->so_state & SS_ISCONNECTING)) { |
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| 208 | m_freem(nam); |
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| 209 | errno = EINPROGRESS; |
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| 210 | rtems_bsdnet_semaphore_release (); |
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| 211 | return -1; |
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| 212 | } |
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| 213 | while ((so->so_state & SS_ISCONNECTING) && so->so_error == 0) { |
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[91b1c8e6] | 214 | so->so_error = soconnsleep (so); |
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[39e6e65a] | 215 | } |
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| 216 | if (error == 0) { |
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| 217 | error = so->so_error; |
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| 218 | so->so_error = 0; |
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| 219 | } |
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| 220 | so->so_state &= ~SS_ISCONNECTING; |
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| 221 | m_freem (nam); |
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| 222 | if (error == 0) |
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| 223 | ret = 0; |
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| 224 | rtems_bsdnet_semaphore_release (); |
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| 225 | return ret; |
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| 226 | } |
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| 227 | |
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| 228 | int |
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| 229 | listen (int s, int backlog) |
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| 230 | { |
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| 231 | int error; |
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| 232 | int ret = -1; |
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| 233 | struct socket *so; |
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| 234 | |
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| 235 | rtems_bsdnet_semaphore_obtain (); |
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| 236 | if ((so = fdToSocket (s)) != NULL) { |
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| 237 | error = solisten (so, backlog); |
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| 238 | if (error == 0) |
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| 239 | ret = 0; |
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| 240 | else |
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| 241 | errno = error; |
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| 242 | } |
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| 243 | rtems_bsdnet_semaphore_release (); |
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| 244 | return ret; |
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| 245 | } |
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| 246 | |
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| 247 | int |
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| 248 | accept (int s, struct sockaddr *name, int *namelen) |
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| 249 | { |
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| 250 | int fd; |
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| 251 | struct socket *head, *so; |
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| 252 | struct mbuf *nam; |
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| 253 | |
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| 254 | rtems_bsdnet_semaphore_obtain (); |
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| 255 | if ((head = fdToSocket (s)) == NULL) { |
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| 256 | rtems_bsdnet_semaphore_release (); |
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| 257 | return -1; |
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| 258 | } |
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| 259 | if ((head->so_options & SO_ACCEPTCONN) == 0) { |
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| 260 | errno = EINVAL; |
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| 261 | rtems_bsdnet_semaphore_release (); |
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| 262 | return -1; |
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| 263 | } |
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| 264 | if ((head->so_state & SS_NBIO) && head->so_comp.tqh_first == NULL) { |
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| 265 | errno = EWOULDBLOCK; |
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| 266 | rtems_bsdnet_semaphore_release (); |
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| 267 | return -1; |
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| 268 | } |
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| 269 | while (head->so_comp.tqh_first == NULL && head->so_error == 0) { |
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| 270 | if (head->so_state & SS_CANTRCVMORE) { |
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| 271 | head->so_error = ECONNABORTED; |
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| 272 | break; |
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| 273 | } |
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[91b1c8e6] | 274 | head->so_error = soconnsleep (head); |
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[39e6e65a] | 275 | } |
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| 276 | if (head->so_error) { |
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| 277 | errno = head->so_error; |
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| 278 | head->so_error = 0; |
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| 279 | rtems_bsdnet_semaphore_release (); |
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| 280 | return -1; |
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| 281 | } |
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| 282 | |
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| 283 | so = head->so_comp.tqh_first; |
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| 284 | TAILQ_REMOVE(&head->so_comp, so, so_list); |
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| 285 | head->so_qlen--; |
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| 286 | |
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| 287 | fd = makeFd (so); |
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| 288 | if (fd < 0) { |
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| 289 | TAILQ_INSERT_HEAD(&head->so_comp, so, so_list); |
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| 290 | head->so_qlen++; |
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| 291 | soconnwakeup (head); |
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| 292 | rtems_bsdnet_semaphore_release (); |
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| 293 | return -1; |
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| 294 | } |
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| 295 | so->so_state &= ~SS_COMP; |
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| 296 | so->so_head = NULL; |
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| 297 | |
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| 298 | nam = m_get(M_WAIT, MT_SONAME); |
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| 299 | (void) soaccept(so, nam); |
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| 300 | if (name) { |
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| 301 | /* check length before it is destroyed */ |
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| 302 | if (*namelen > nam->m_len) |
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| 303 | *namelen = nam->m_len; |
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| 304 | memcpy (name, mtod(nam, caddr_t), *namelen); |
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| 305 | } |
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| 306 | m_freem(nam); |
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| 307 | rtems_bsdnet_semaphore_release (); |
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| 308 | return (fd); |
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| 309 | |
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| 310 | } |
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| 311 | |
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| 312 | /* |
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| 313 | * All `transmit' operations end up calling this routine. |
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| 314 | */ |
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| 315 | ssize_t |
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| 316 | sendmsg (int s, const struct msghdr *mp, int flags) |
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| 317 | { |
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| 318 | int ret = -1; |
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| 319 | int error; |
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| 320 | struct uio auio; |
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| 321 | struct iovec *iov; |
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| 322 | struct socket *so; |
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| 323 | struct mbuf *to, *control; |
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| 324 | int i; |
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| 325 | int len; |
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| 326 | |
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| 327 | rtems_bsdnet_semaphore_obtain (); |
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| 328 | if ((so = fdToSocket (s)) == NULL) { |
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| 329 | rtems_bsdnet_semaphore_release (); |
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| 330 | return -1; |
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| 331 | } |
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| 332 | auio.uio_iov = mp->msg_iov; |
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| 333 | auio.uio_iovcnt = mp->msg_iovlen; |
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| 334 | auio.uio_segflg = UIO_USERSPACE; |
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| 335 | auio.uio_rw = UIO_WRITE; |
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| 336 | auio.uio_offset = 0; |
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| 337 | auio.uio_resid = 0; |
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| 338 | iov = mp->msg_iov; |
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| 339 | for (i = 0; i < mp->msg_iovlen; i++, iov++) { |
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| 340 | if ((auio.uio_resid += iov->iov_len) < 0) { |
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| 341 | errno = EINVAL; |
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| 342 | rtems_bsdnet_semaphore_release (); |
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| 343 | return -1; |
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| 344 | } |
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| 345 | } |
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| 346 | if (mp->msg_name) { |
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| 347 | error = sockargstombuf (&to, mp->msg_name, mp->msg_namelen, MT_SONAME); |
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| 348 | if (error) { |
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| 349 | errno = error; |
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| 350 | rtems_bsdnet_semaphore_release (); |
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| 351 | return -1; |
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| 352 | } |
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| 353 | } |
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| 354 | else { |
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| 355 | to = NULL; |
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| 356 | } |
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| 357 | if (mp->msg_control) { |
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| 358 | if (mp->msg_controllen < sizeof (struct cmsghdr)) { |
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| 359 | errno = EINVAL; |
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| 360 | if (to) |
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| 361 | m_freem(to); |
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| 362 | rtems_bsdnet_semaphore_release (); |
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| 363 | return -1; |
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| 364 | } |
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| 365 | sockargstombuf (&control, mp->msg_control, mp->msg_controllen, MT_CONTROL); |
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| 366 | } |
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| 367 | else { |
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| 368 | control = NULL; |
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| 369 | } |
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| 370 | len = auio.uio_resid; |
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| 371 | error = sosend (so, to, &auio, (struct mbuf *)0, control, flags); |
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| 372 | if (error) { |
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| 373 | if (auio.uio_resid != len && (error == EINTR || error == EWOULDBLOCK)) |
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| 374 | error = 0; |
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| 375 | } |
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| 376 | if (error) |
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| 377 | errno = error; |
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| 378 | else |
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| 379 | ret = len - auio.uio_resid; |
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| 380 | if (to) |
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| 381 | m_freem(to); |
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| 382 | rtems_bsdnet_semaphore_release (); |
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| 383 | return (ret); |
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| 384 | } |
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| 385 | |
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| 386 | /* |
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| 387 | * Send a message to a host |
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| 388 | */ |
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| 389 | ssize_t |
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| 390 | sendto (int s, const void *buf, size_t buflen, int flags, const struct sockaddr *to, int tolen) |
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| 391 | { |
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| 392 | struct msghdr msg; |
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| 393 | struct iovec iov; |
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| 394 | |
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| 395 | iov.iov_base = (void *)buf; |
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| 396 | iov.iov_len = buflen; |
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| 397 | msg.msg_name = (caddr_t)to; |
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| 398 | msg.msg_namelen = tolen; |
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| 399 | msg.msg_iov = &iov; |
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| 400 | msg.msg_iovlen = 1; |
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| 401 | msg.msg_control = NULL; |
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| 402 | msg.msg_controllen = 0; |
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| 403 | return sendmsg (s, &msg, flags); |
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| 404 | } |
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| 405 | |
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| 406 | /* |
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| 407 | * Send a message to a connected host |
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| 408 | */ |
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| 409 | ssize_t |
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| 410 | send (int s, const void *buf, size_t buflen, int flags) |
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| 411 | { |
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| 412 | return sendto (s, buf, buflen, flags, NULL, 0); |
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| 413 | } |
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| 414 | |
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| 415 | /* |
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| 416 | * All `receive' operations end up calling this routine. |
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| 417 | */ |
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| 418 | ssize_t |
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| 419 | recvmsg (int s, struct msghdr *mp, int flags) |
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| 420 | { |
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| 421 | int ret = -1; |
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| 422 | int error; |
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| 423 | struct uio auio; |
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| 424 | struct iovec *iov; |
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| 425 | struct socket *so; |
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| 426 | struct mbuf *from = NULL, *control = NULL; |
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| 427 | int i; |
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| 428 | int len; |
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| 429 | |
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| 430 | rtems_bsdnet_semaphore_obtain (); |
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| 431 | if ((so = fdToSocket (s)) == NULL) { |
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| 432 | rtems_bsdnet_semaphore_release (); |
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| 433 | return -1; |
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| 434 | } |
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| 435 | auio.uio_iov = mp->msg_iov; |
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| 436 | auio.uio_iovcnt = mp->msg_iovlen; |
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| 437 | auio.uio_segflg = UIO_USERSPACE; |
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| 438 | auio.uio_rw = UIO_READ; |
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| 439 | auio.uio_offset = 0; |
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| 440 | auio.uio_resid = 0; |
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| 441 | iov = mp->msg_iov; |
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| 442 | for (i = 0; i < mp->msg_iovlen; i++, iov++) { |
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| 443 | if ((auio.uio_resid += iov->iov_len) < 0) { |
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| 444 | errno = EINVAL; |
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| 445 | rtems_bsdnet_semaphore_release (); |
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| 446 | return -1; |
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| 447 | } |
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| 448 | } |
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| 449 | len = auio.uio_resid; |
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| 450 | mp->msg_flags = flags; |
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| 451 | error = soreceive (so, &from, &auio, (struct mbuf **)NULL, |
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| 452 | mp->msg_control ? &control : (struct mbuf **)NULL, |
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| 453 | &mp->msg_flags); |
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| 454 | if (error) { |
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| 455 | if (auio.uio_resid != len && (error == EINTR || error == EWOULDBLOCK)) |
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| 456 | error = 0; |
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| 457 | } |
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| 458 | if (error) { |
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| 459 | errno = error; |
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| 460 | } |
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| 461 | else { |
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| 462 | ret = len - auio.uio_resid; |
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| 463 | if (mp->msg_name) { |
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| 464 | len = mp->msg_namelen; |
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| 465 | if ((len <= 0) || (from == NULL)) { |
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| 466 | len = 0; |
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| 467 | } |
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| 468 | else { |
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| 469 | if (len > from->m_len) |
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| 470 | len = from->m_len; |
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| 471 | memcpy (mp->msg_name, mtod(from, caddr_t), len); |
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| 472 | } |
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| 473 | mp->msg_namelen = len; |
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| 474 | } |
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| 475 | if (mp->msg_control) { |
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| 476 | struct mbuf *m; |
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| 477 | caddr_t ctlbuf; |
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| 478 | |
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| 479 | len = mp->msg_controllen; |
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| 480 | m = control; |
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| 481 | mp->msg_controllen = 0; |
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| 482 | ctlbuf = (caddr_t) mp->msg_control; |
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| 483 | |
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| 484 | while (m && (len > 0)) { |
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| 485 | unsigned int tocopy; |
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| 486 | |
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| 487 | if (len >= m->m_len) |
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| 488 | tocopy = m->m_len; |
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| 489 | else { |
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| 490 | mp->msg_flags |= MSG_CTRUNC; |
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| 491 | tocopy = len; |
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| 492 | } |
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| 493 | memcpy(ctlbuf, mtod(m, caddr_t), tocopy); |
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| 494 | ctlbuf += tocopy; |
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| 495 | len -= tocopy; |
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| 496 | m = m->m_next; |
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| 497 | } |
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| 498 | mp->msg_controllen = ctlbuf - mp->msg_control; |
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| 499 | } |
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| 500 | } |
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| 501 | if (from) |
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| 502 | m_freem (from); |
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| 503 | if (control) |
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| 504 | m_freem (control); |
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| 505 | rtems_bsdnet_semaphore_release (); |
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| 506 | return (ret); |
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| 507 | } |
---|
| 508 | |
---|
| 509 | /* |
---|
| 510 | * Receive a message from a host |
---|
| 511 | */ |
---|
| 512 | ssize_t |
---|
| 513 | recvfrom (int s, void *buf, size_t buflen, int flags, const struct sockaddr *from, int *fromlen) |
---|
| 514 | { |
---|
| 515 | struct msghdr msg; |
---|
| 516 | struct iovec iov; |
---|
| 517 | int ret; |
---|
| 518 | |
---|
| 519 | iov.iov_base = buf; |
---|
| 520 | iov.iov_len = buflen; |
---|
| 521 | msg.msg_name = (caddr_t)from; |
---|
| 522 | msg.msg_namelen = *fromlen; |
---|
| 523 | msg.msg_iov = &iov; |
---|
| 524 | msg.msg_iovlen = 1; |
---|
| 525 | msg.msg_control = NULL; |
---|
| 526 | msg.msg_controllen = 0; |
---|
| 527 | ret = recvmsg (s, &msg, flags); |
---|
| 528 | if ((from != NULL) && (fromlen != NULL) && (ret >= 0)) |
---|
| 529 | *fromlen = msg.msg_namelen; |
---|
| 530 | return ret; |
---|
| 531 | } |
---|
| 532 | |
---|
| 533 | /* |
---|
| 534 | * Receive a message from a connected host |
---|
| 535 | */ |
---|
| 536 | ssize_t |
---|
| 537 | recv (int s, void *buf, size_t buflen, int flags) |
---|
| 538 | { |
---|
| 539 | return recvfrom (s, buf, buflen, flags, NULL, NULL); |
---|
| 540 | } |
---|
| 541 | |
---|
| 542 | int |
---|
| 543 | setsockopt (int s, int level, int name, const void *val, int len) |
---|
| 544 | { |
---|
| 545 | struct socket *so; |
---|
| 546 | struct mbuf *m = NULL; |
---|
| 547 | int error; |
---|
| 548 | |
---|
| 549 | rtems_bsdnet_semaphore_obtain (); |
---|
| 550 | if ((so = fdToSocket (s)) == NULL) { |
---|
| 551 | rtems_bsdnet_semaphore_release (); |
---|
| 552 | return -1; |
---|
| 553 | } |
---|
| 554 | if (len > MLEN) { |
---|
| 555 | errno = EINVAL; |
---|
| 556 | rtems_bsdnet_semaphore_release (); |
---|
| 557 | return -1; |
---|
| 558 | } |
---|
| 559 | if (val) { |
---|
| 560 | error = sockargstombuf (&m, val, len, MT_SOOPTS); |
---|
| 561 | if (error) { |
---|
| 562 | errno = error; |
---|
| 563 | rtems_bsdnet_semaphore_release (); |
---|
| 564 | return -1; |
---|
| 565 | } |
---|
| 566 | } |
---|
| 567 | error = sosetopt(so, level, name, m); |
---|
| 568 | if (error) { |
---|
| 569 | errno = error; |
---|
| 570 | rtems_bsdnet_semaphore_release (); |
---|
| 571 | return -1; |
---|
| 572 | } |
---|
| 573 | rtems_bsdnet_semaphore_release (); |
---|
| 574 | return 0; |
---|
| 575 | } |
---|
| 576 | |
---|
| 577 | int |
---|
| 578 | getsockopt (int s, int level, int name, void *aval, int *avalsize) |
---|
| 579 | { |
---|
| 580 | struct socket *so; |
---|
| 581 | struct mbuf *m = NULL, *m0; |
---|
| 582 | char *val = aval; |
---|
| 583 | int i, op, valsize; |
---|
| 584 | int error; |
---|
| 585 | |
---|
| 586 | rtems_bsdnet_semaphore_obtain (); |
---|
| 587 | if ((so = fdToSocket (s)) == NULL) { |
---|
| 588 | rtems_bsdnet_semaphore_release (); |
---|
| 589 | return -1; |
---|
| 590 | } |
---|
| 591 | if (val) |
---|
| 592 | valsize = *avalsize; |
---|
| 593 | else |
---|
| 594 | valsize = 0; |
---|
| 595 | if (((error = sogetopt(so, level, name, &m)) == 0) && val && valsize && m) { |
---|
| 596 | op = 0; |
---|
| 597 | while (m && op < valsize) { |
---|
| 598 | i = valsize - op; |
---|
| 599 | if (i > m->m_len) |
---|
| 600 | i = m->m_len; |
---|
| 601 | memcpy (val, mtod(m, caddr_t), i); |
---|
| 602 | op += i; |
---|
| 603 | val += i; |
---|
| 604 | m0 = m; |
---|
| 605 | MFREE (m0, m); |
---|
| 606 | } |
---|
| 607 | *avalsize = op; |
---|
| 608 | } |
---|
| 609 | if (m != NULL) |
---|
| 610 | (void) m_free(m); |
---|
| 611 | if (error) { |
---|
| 612 | errno = error; |
---|
| 613 | rtems_bsdnet_semaphore_release (); |
---|
| 614 | return -1; |
---|
| 615 | } |
---|
| 616 | rtems_bsdnet_semaphore_release (); |
---|
| 617 | return 0; |
---|
| 618 | } |
---|
| 619 | |
---|
[28e7d7fa] | 620 | static int |
---|
| 621 | getpeersockname (int s, struct sockaddr *name, int *namelen, int pflag) |
---|
[39e6e65a] | 622 | { |
---|
| 623 | struct socket *so; |
---|
| 624 | struct mbuf *m; |
---|
| 625 | int len = *namelen; |
---|
| 626 | int error; |
---|
| 627 | |
---|
| 628 | rtems_bsdnet_semaphore_obtain (); |
---|
| 629 | if ((so = fdToSocket (s)) == NULL) { |
---|
| 630 | rtems_bsdnet_semaphore_release (); |
---|
| 631 | return -1; |
---|
| 632 | } |
---|
| 633 | m = m_getclr(M_WAIT, MT_SONAME); |
---|
| 634 | if (m == NULL) { |
---|
| 635 | errno = ENOBUFS; |
---|
| 636 | rtems_bsdnet_semaphore_release (); |
---|
| 637 | return -1; |
---|
| 638 | } |
---|
[28e7d7fa] | 639 | if (pflag) |
---|
| 640 | error = (*so->so_proto->pr_usrreqs->pru_peeraddr)(so, m); |
---|
| 641 | else |
---|
| 642 | error = (*so->so_proto->pr_usrreqs->pru_sockaddr)(so, m); |
---|
[39e6e65a] | 643 | if (error) { |
---|
| 644 | errno = error; |
---|
| 645 | rtems_bsdnet_semaphore_release (); |
---|
| 646 | return -1; |
---|
| 647 | } |
---|
| 648 | if (len > m->m_len) { |
---|
| 649 | len = m->m_len; |
---|
| 650 | *namelen = len; |
---|
| 651 | } |
---|
| 652 | memcpy (name, mtod(m, caddr_t), len); |
---|
| 653 | m_freem (m); |
---|
| 654 | rtems_bsdnet_semaphore_release (); |
---|
| 655 | return 0; |
---|
| 656 | } |
---|
| 657 | |
---|
[28e7d7fa] | 658 | int |
---|
| 659 | getpeername (int s, struct sockaddr *name, int *namelen) |
---|
| 660 | { |
---|
| 661 | return getpeersockname (s, name, namelen, 1); |
---|
| 662 | } |
---|
| 663 | int |
---|
| 664 | getsockname (int s, struct sockaddr *name, int *namelen) |
---|
| 665 | { |
---|
| 666 | return getpeersockname (s, name, namelen, 0); |
---|
| 667 | } |
---|
| 668 | |
---|
[39e6e65a] | 669 | /* |
---|
| 670 | ************************************************************************ |
---|
| 671 | * RTEMS EXTERNAL I/O HANDLER ROUTINES * |
---|
| 672 | ************************************************************************ |
---|
| 673 | */ |
---|
| 674 | static int |
---|
| 675 | rtems_bsdnet_close (int fd) |
---|
| 676 | { |
---|
| 677 | struct socket *so; |
---|
| 678 | int error; |
---|
| 679 | int i; |
---|
| 680 | |
---|
| 681 | rtems_bsdnet_semaphore_obtain (); |
---|
| 682 | if ((so = fdToSocket (fd)) == NULL) { |
---|
| 683 | rtems_bsdnet_semaphore_release (); |
---|
| 684 | return -1; |
---|
| 685 | } |
---|
| 686 | i = rtems_file_descriptor_base(fd); |
---|
| 687 | fdsock[i].indexFreeNext = indexFreeHead;; |
---|
| 688 | indexFreeHead = i; |
---|
[766ed7c] | 689 | error = soclose (so); |
---|
| 690 | rtems_bsdnet_semaphore_release (); |
---|
[39e6e65a] | 691 | if (error) { |
---|
| 692 | errno = error; |
---|
| 693 | return -1; |
---|
| 694 | } |
---|
| 695 | return 0; |
---|
| 696 | } |
---|
| 697 | |
---|
| 698 | static int |
---|
| 699 | rtems_bsdnet_read (int fd, void *buffer, unsigned32 count) |
---|
| 700 | { |
---|
| 701 | return recv (fd, buffer, count, 0); |
---|
| 702 | } |
---|
| 703 | |
---|
| 704 | static int |
---|
| 705 | rtems_bsdnet_write (int fd, const void *buffer, unsigned32 count) |
---|
| 706 | { |
---|
| 707 | return send (fd, buffer, count, 0); |
---|
| 708 | } |
---|
| 709 | |
---|
| 710 | static int |
---|
| 711 | so_ioctl (struct socket *so, unsigned32 command, void *buffer) |
---|
| 712 | { |
---|
| 713 | switch (command) { |
---|
| 714 | case FIONBIO: |
---|
| 715 | if (*(int *)buffer) |
---|
| 716 | so->so_state |= SS_NBIO; |
---|
| 717 | else |
---|
| 718 | so->so_state &= ~SS_NBIO; |
---|
| 719 | return 0; |
---|
| 720 | |
---|
| 721 | case FIONREAD: |
---|
| 722 | *(int *)buffer = so->so_rcv.sb_cc; |
---|
| 723 | return 0; |
---|
| 724 | } |
---|
| 725 | |
---|
| 726 | if (IOCGROUP(command) == 'i') |
---|
| 727 | return ifioctl (so, command, buffer, NULL); |
---|
| 728 | if (IOCGROUP(command) == 'r') |
---|
| 729 | return rtioctl (command, buffer, NULL); |
---|
| 730 | return (*so->so_proto->pr_usrreqs->pru_control)(so, command, buffer, 0); |
---|
| 731 | } |
---|
| 732 | |
---|
| 733 | static int |
---|
| 734 | rtems_bsdnet_ioctl (int fd, unsigned32 command, void *buffer) |
---|
| 735 | { |
---|
| 736 | struct socket *so; |
---|
| 737 | int error; |
---|
| 738 | |
---|
| 739 | rtems_bsdnet_semaphore_obtain (); |
---|
| 740 | if ((so = fdToSocket (fd)) == NULL) { |
---|
| 741 | rtems_bsdnet_semaphore_release (); |
---|
| 742 | return -1; |
---|
| 743 | } |
---|
| 744 | error = so_ioctl (so, command, buffer); |
---|
| 745 | rtems_bsdnet_semaphore_release (); |
---|
| 746 | if (error) { |
---|
| 747 | errno = error; |
---|
| 748 | return -1; |
---|
| 749 | } |
---|
| 750 | return 0; |
---|
| 751 | } |
---|
| 752 | |
---|
| 753 | rtems_libio_handler_t rtems_bsdnet_io_handler = { |
---|
| 754 | NULL, /* open */ |
---|
| 755 | rtems_bsdnet_close, /* close */ |
---|
| 756 | rtems_bsdnet_read, /* read */ |
---|
| 757 | rtems_bsdnet_write, /* write */ |
---|
| 758 | rtems_bsdnet_ioctl, /* ioctl */ |
---|
| 759 | NULL, /* lseek */ |
---|
| 760 | }; |
---|
| 761 | |
---|