lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 1 | /* @(#)rex.x 2.1 88/08/01 4.0 RPCSRC */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 2010, Oracle America, Inc. |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions are |
| 7 | * met: |
| 8 | * |
| 9 | * * Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * * Redistributions in binary form must reproduce the above |
| 12 | * copyright notice, this list of conditions and the following |
| 13 | * disclaimer in the documentation and/or other materials |
| 14 | * provided with the distribution. |
| 15 | * * Neither the name of the "Oracle America, Inc." nor the names of its |
| 16 | * contributors may be used to endorse or promote products derived |
| 17 | * from this software without specific prior written permission. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 20 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 21 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 22 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 23 | * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
| 24 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
| 26 | * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 28 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 29 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | /* |
| 34 | * Remote execution (rex) protocol specification |
| 35 | */ |
| 36 | |
| 37 | const STRINGSIZE = 1024; |
| 38 | typedef string rexstring<1024>; |
| 39 | |
| 40 | /* |
| 41 | * values to pass to REXPROC_SIGNAL |
| 42 | */ |
| 43 | const SIGINT = 2; /* interrupt */ |
| 44 | |
| 45 | /* |
| 46 | * Values for rst_flags, below |
| 47 | */ |
| 48 | const REX_INTERACTIVE = 1; /* interactive mode */ |
| 49 | |
| 50 | struct rex_start { |
| 51 | rexstring rst_cmd<>; /* list of command and args */ |
| 52 | rexstring rst_host; /* working directory host name */ |
| 53 | rexstring rst_fsname; /* working directory file system name */ |
| 54 | rexstring rst_dirwithin;/* working directory within file system */ |
| 55 | rexstring rst_env<>; /* list of environment */ |
| 56 | unsigned int rst_port0; /* port for stdin */ |
| 57 | unsigned int rst_port1; /* port for stdout */ |
| 58 | unsigned int rst_port2; /* port for stderr */ |
| 59 | unsigned int rst_flags; /* options - see const above */ |
| 60 | }; |
| 61 | |
| 62 | struct rex_result { |
| 63 | int rlt_stat; /* integer status code */ |
| 64 | rexstring rlt_message; /* string message for human consumption */ |
| 65 | }; |
| 66 | |
| 67 | |
| 68 | struct sgttyb { |
| 69 | unsigned four; /* always equals 4 */ |
| 70 | opaque chars[4]; |
| 71 | /* chars[0] == input speed */ |
| 72 | /* chars[1] == output speed */ |
| 73 | /* chars[2] == kill character */ |
| 74 | /* chars[3] == erase character */ |
| 75 | unsigned flags; |
| 76 | }; |
| 77 | /* values for speeds above (baud rates) */ |
| 78 | const B0 = 0; |
| 79 | const B50 = 1; |
| 80 | const B75 = 2; |
| 81 | const B110 = 3; |
| 82 | const B134 = 4; |
| 83 | const B150 = 5; |
| 84 | const B200 = 6; |
| 85 | const B300 = 7; |
| 86 | const B600 = 8; |
| 87 | const B1200 = 9; |
| 88 | const B1800 = 10; |
| 89 | const B2400 = 11; |
| 90 | const B4800 = 12; |
| 91 | const B9600 = 13; |
| 92 | const B19200 = 14; |
| 93 | const B38400 = 15; |
| 94 | |
| 95 | /* values for flags above */ |
| 96 | const TANDEM = 0x00000001; /* send stopc on out q full */ |
| 97 | const CBREAK = 0x00000002; /* half-cooked mode */ |
| 98 | const LCASE = 0x00000004; /* simulate lower case */ |
| 99 | const ECHO = 0x00000008; /* echo input */ |
| 100 | const CRMOD = 0x00000010; /* map \r to \r\n on output */ |
| 101 | const RAW = 0x00000020; /* no i/o processing */ |
| 102 | const ODDP = 0x00000040; /* get/send odd parity */ |
| 103 | const EVENP = 0x00000080; /* get/send even parity */ |
| 104 | const ANYP = 0x000000c0; /* get any parity/send none */ |
| 105 | const NLDELAY = 0x00000300; /* \n delay */ |
| 106 | const NL0 = 0x00000000; |
| 107 | const NL1 = 0x00000100; /* tty 37 */ |
| 108 | const NL2 = 0x00000200; /* vt05 */ |
| 109 | const NL3 = 0x00000300; |
| 110 | const TBDELAY = 0x00000c00; /* horizontal tab delay */ |
| 111 | const TAB0 = 0x00000000; |
| 112 | const TAB1 = 0x00000400; /* tty 37 */ |
| 113 | const TAB2 = 0x00000800; |
| 114 | const XTABS = 0x00000c00; /* expand tabs on output */ |
| 115 | const CRDELAY = 0x00003000; /* \r delay */ |
| 116 | const CR0 = 0x00000000; |
| 117 | const CR1 = 0x00001000; /* tn 300 */ |
| 118 | const CR2 = 0x00002000; /* tty 37 */ |
| 119 | const CR3 = 0x00003000; /* concept 100 */ |
| 120 | const VTDELAY = 0x00004000; /* vertical tab delay */ |
| 121 | const FF0 = 0x00000000; |
| 122 | const FF1 = 0x00004000; /* tty 37 */ |
| 123 | const BSDELAY = 0x00008000; /* \b delay */ |
| 124 | const BS0 = 0x00000000; |
| 125 | const BS1 = 0x00008000; |
| 126 | const CRTBS = 0x00010000; /* do backspacing for crt */ |
| 127 | const PRTERA = 0x00020000; /* \ ... / erase */ |
| 128 | const CRTERA = 0x00040000; /* " \b " to wipe out char */ |
| 129 | const TILDE = 0x00080000; /* hazeltine tilde kludge */ |
| 130 | const MDMBUF = 0x00100000; /* start/stop output on carrier intr */ |
| 131 | const LITOUT = 0x00200000; /* literal output */ |
| 132 | const TOSTOP = 0x00400000; /* SIGTTOU on background output */ |
| 133 | const FLUSHO = 0x00800000; /* flush output to terminal */ |
| 134 | const NOHANG = 0x01000000; /* no SIGHUP on carrier drop */ |
| 135 | const L001000 = 0x02000000; |
| 136 | const CRTKIL = 0x04000000; /* kill line with " \b " */ |
| 137 | const PASS8 = 0x08000000; |
| 138 | const CTLECH = 0x10000000; /* echo control chars as ^X */ |
| 139 | const PENDIN = 0x20000000; /* tp->t_rawq needs reread */ |
| 140 | const DECCTQ = 0x40000000; /* only ^Q starts after ^S */ |
| 141 | const NOFLSH = 0x80000000; /* no output flush on signal */ |
| 142 | |
| 143 | struct tchars { |
| 144 | unsigned six; /* always equals 6 */ |
| 145 | opaque chars[6]; |
| 146 | /* chars[0] == interrupt char */ |
| 147 | /* chars[1] == quit char */ |
| 148 | /* chars[2] == start output char */ |
| 149 | /* chars[3] == stop output char */ |
| 150 | /* chars[4] == end-of-file char */ |
| 151 | /* chars[5] == input delimiter (like nl) */ |
| 152 | }; |
| 153 | |
| 154 | struct ltchars { |
| 155 | unsigned six; /* always equals 6 */ |
| 156 | opaque chars[6]; |
| 157 | /* chars[0] == stop process signal */ |
| 158 | /* chars[1] == delayed stop process signal */ |
| 159 | /* chars[2] == reprint line */ |
| 160 | /* chars[3] == flush output */ |
| 161 | /* chars[4] == word erase */ |
| 162 | /* chars[5] == literal next character */ |
| 163 | unsigned mode; |
| 164 | }; |
| 165 | |
| 166 | struct rex_ttysize { |
| 167 | int ts_lines; |
| 168 | int ts_cols; |
| 169 | }; |
| 170 | |
| 171 | struct rex_ttymode { |
| 172 | sgttyb basic; /* standard unix tty flags */ |
| 173 | tchars more; /* interrupt, kill characters, etc. */ |
| 174 | ltchars yetmore; /* special Berkeley characters */ |
| 175 | unsigned andmore; /* and Berkeley modes */ |
| 176 | }; |
| 177 | |
| 178 | /* values for andmore above */ |
| 179 | const LCRTBS = 0x0001; /* do backspacing for crt */ |
| 180 | const LPRTERA = 0x0002; /* \ ... / erase */ |
| 181 | const LCRTERA = 0x0004; /* " \b " to wipe out char */ |
| 182 | const LTILDE = 0x0008; /* hazeltine tilde kludge */ |
| 183 | const LMDMBUF = 0x0010; /* start/stop output on carrier intr */ |
| 184 | const LLITOUT = 0x0020; /* literal output */ |
| 185 | const LTOSTOP = 0x0040; /* SIGTTOU on background output */ |
| 186 | const LFLUSHO = 0x0080; /* flush output to terminal */ |
| 187 | const LNOHANG = 0x0100; /* no SIGHUP on carrier drop */ |
| 188 | const LL001000 = 0x0200; |
| 189 | const LCRTKIL = 0x0400; /* kill line with " \b " */ |
| 190 | const LPASS8 = 0x0800; |
| 191 | const LCTLECH = 0x1000; /* echo control chars as ^X */ |
| 192 | const LPENDIN = 0x2000; /* needs reread */ |
| 193 | const LDECCTQ = 0x4000; /* only ^Q starts after ^S */ |
| 194 | const LNOFLSH = 0x8000; /* no output flush on signal */ |
| 195 | |
| 196 | program REXPROG { |
| 197 | version REXVERS { |
| 198 | |
| 199 | /* |
| 200 | * Start remote execution |
| 201 | */ |
| 202 | rex_result |
| 203 | REXPROC_START(rex_start) = 1; |
| 204 | |
| 205 | /* |
| 206 | * Wait for remote execution to terminate |
| 207 | */ |
| 208 | rex_result |
| 209 | REXPROC_WAIT(void) = 2; |
| 210 | |
| 211 | /* |
| 212 | * Send tty modes |
| 213 | */ |
| 214 | void |
| 215 | REXPROC_MODES(rex_ttymode) = 3; |
| 216 | |
| 217 | /* |
| 218 | * Send window size change |
| 219 | */ |
| 220 | void |
| 221 | REXPROC_WINCH(rex_ttysize) = 4; |
| 222 | |
| 223 | /* |
| 224 | * Send other signal |
| 225 | */ |
| 226 | void |
| 227 | REXPROC_SIGNAL(int) = 5; |
| 228 | } = 1; |
| 229 | } = 100017; |