1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2002 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 28*0Sstevel@tonic-gate /* All Rights Reserved */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate /* 31*0Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988 32*0Sstevel@tonic-gate * The Regents of the University of California 33*0Sstevel@tonic-gate * All Rights Reserved 34*0Sstevel@tonic-gate * 35*0Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from 36*0Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its 37*0Sstevel@tonic-gate * contributors. 38*0Sstevel@tonic-gate */ 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate /* 43*0Sstevel@tonic-gate * TFTP User Program -- Command Interface. 44*0Sstevel@tonic-gate */ 45*0Sstevel@tonic-gate #include <sys/types.h> 46*0Sstevel@tonic-gate #include <sys/socket.h> 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate #include <arpa/inet.h> 49*0Sstevel@tonic-gate 50*0Sstevel@tonic-gate #include <signal.h> 51*0Sstevel@tonic-gate #include <stdio.h> 52*0Sstevel@tonic-gate #include <stdlib.h> 53*0Sstevel@tonic-gate #include <errno.h> 54*0Sstevel@tonic-gate #include <ctype.h> 55*0Sstevel@tonic-gate #include <netdb.h> 56*0Sstevel@tonic-gate #include <fcntl.h> 57*0Sstevel@tonic-gate #include <string.h> 58*0Sstevel@tonic-gate #include <limits.h> 59*0Sstevel@tonic-gate 60*0Sstevel@tonic-gate #include "tftpcommon.h" 61*0Sstevel@tonic-gate #include "tftpprivate.h" 62*0Sstevel@tonic-gate 63*0Sstevel@tonic-gate #define NELEM(a) (sizeof (a) / sizeof ((a)[0])) 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate #define TIMEOUT 5 /* secs between rexmt's */ 66*0Sstevel@tonic-gate 67*0Sstevel@tonic-gate struct sockaddr_in6 sin6; 68*0Sstevel@tonic-gate int f; 69*0Sstevel@tonic-gate int maxtimeout = 5 * TIMEOUT; 70*0Sstevel@tonic-gate int verbose; 71*0Sstevel@tonic-gate int trace; 72*0Sstevel@tonic-gate int srexmtval; 73*0Sstevel@tonic-gate int blksize; 74*0Sstevel@tonic-gate int rexmtval = TIMEOUT; 75*0Sstevel@tonic-gate int tsize_opt; 76*0Sstevel@tonic-gate jmp_buf toplevel; 77*0Sstevel@tonic-gate 78*0Sstevel@tonic-gate static int default_port, port; 79*0Sstevel@tonic-gate static int connected; 80*0Sstevel@tonic-gate static char mode[32]; 81*0Sstevel@tonic-gate static char line[200]; 82*0Sstevel@tonic-gate static char *prompt = "tftp"; 83*0Sstevel@tonic-gate static char hostname[MAXHOSTNAMELEN]; 84*0Sstevel@tonic-gate 85*0Sstevel@tonic-gate static void intr(int); 86*0Sstevel@tonic-gate static void quit(int, char **); 87*0Sstevel@tonic-gate static void help(int, char **); 88*0Sstevel@tonic-gate static void setverbose(int, char **); 89*0Sstevel@tonic-gate static void settrace(int, char **); 90*0Sstevel@tonic-gate static void status(int, char **); 91*0Sstevel@tonic-gate static void get(int, char **); 92*0Sstevel@tonic-gate static void put(int, char **); 93*0Sstevel@tonic-gate static void setpeer(int, char **); 94*0Sstevel@tonic-gate static void modecmd(int, char **); 95*0Sstevel@tonic-gate static void setrexmt(int, char **); 96*0Sstevel@tonic-gate static void settimeout(int, char **); 97*0Sstevel@tonic-gate static void setbinary(int, char **); 98*0Sstevel@tonic-gate static void setascii(int, char **); 99*0Sstevel@tonic-gate static void setblksize(int, char **); 100*0Sstevel@tonic-gate static void setsrexmt(int, char **); 101*0Sstevel@tonic-gate static void settsize(int, char **); 102*0Sstevel@tonic-gate static void setmode(char *); 103*0Sstevel@tonic-gate static void putusage(char *); 104*0Sstevel@tonic-gate static void getusage(char *); 105*0Sstevel@tonic-gate static char *finddelimiter(char *); 106*0Sstevel@tonic-gate static char *removebrackets(char *); 107*0Sstevel@tonic-gate static int prompt_for_arg(char *, int, char *); 108*0Sstevel@tonic-gate static struct cmd *getcmd(char *); 109*0Sstevel@tonic-gate static char *tail(char *); 110*0Sstevel@tonic-gate static void command(int); 111*0Sstevel@tonic-gate static void makeargv(int *, char ***); 112*0Sstevel@tonic-gate 113*0Sstevel@tonic-gate #define HELPINDENT (sizeof ("connect")) 114*0Sstevel@tonic-gate 115*0Sstevel@tonic-gate struct cmd { 116*0Sstevel@tonic-gate char *name; 117*0Sstevel@tonic-gate char *help; 118*0Sstevel@tonic-gate void (*handler)(int, char **); 119*0Sstevel@tonic-gate }; 120*0Sstevel@tonic-gate 121*0Sstevel@tonic-gate static char vhelp[] = "toggle verbose mode"; 122*0Sstevel@tonic-gate static char thelp[] = "toggle packet tracing"; 123*0Sstevel@tonic-gate static char chelp[] = "connect to remote tftp"; 124*0Sstevel@tonic-gate static char qhelp[] = "exit tftp"; 125*0Sstevel@tonic-gate static char hhelp[] = "print help information"; 126*0Sstevel@tonic-gate static char shelp[] = "send file"; 127*0Sstevel@tonic-gate static char rhelp[] = "receive file"; 128*0Sstevel@tonic-gate static char mhelp[] = "set file transfer mode"; 129*0Sstevel@tonic-gate static char sthelp[] = "show current status"; 130*0Sstevel@tonic-gate static char xhelp[] = "set per-packet retransmission timeout"; 131*0Sstevel@tonic-gate static char ihelp[] = "set total retransmission timeout"; 132*0Sstevel@tonic-gate static char ashelp[] = "set mode to netascii"; 133*0Sstevel@tonic-gate static char bnhelp[] = "set mode to octet"; 134*0Sstevel@tonic-gate static char bshelp[] = "set transfer blocksize to negotiate with the " 135*0Sstevel@tonic-gate "server"; 136*0Sstevel@tonic-gate static char srhelp[] = "set preferred per-packet retransmission " 137*0Sstevel@tonic-gate "timeout for server"; 138*0Sstevel@tonic-gate static char tshelp[] = "toggle sending the transfer size option to " 139*0Sstevel@tonic-gate "the server"; 140*0Sstevel@tonic-gate 141*0Sstevel@tonic-gate static struct cmd cmdtab[] = { 142*0Sstevel@tonic-gate { "connect", chelp, setpeer }, 143*0Sstevel@tonic-gate { "mode", mhelp, modecmd }, 144*0Sstevel@tonic-gate { "put", shelp, put }, 145*0Sstevel@tonic-gate { "get", rhelp, get }, 146*0Sstevel@tonic-gate { "quit", qhelp, quit }, 147*0Sstevel@tonic-gate { "verbose", vhelp, setverbose }, 148*0Sstevel@tonic-gate { "trace", thelp, settrace }, 149*0Sstevel@tonic-gate { "status", sthelp, status }, 150*0Sstevel@tonic-gate { "binary", bnhelp, setbinary }, 151*0Sstevel@tonic-gate { "ascii", ashelp, setascii }, 152*0Sstevel@tonic-gate { "rexmt", xhelp, setrexmt }, 153*0Sstevel@tonic-gate { "timeout", ihelp, settimeout }, 154*0Sstevel@tonic-gate { "blksize", bshelp, setblksize }, 155*0Sstevel@tonic-gate { "srexmt", srhelp, setsrexmt }, 156*0Sstevel@tonic-gate { "tsize", tshelp, settsize }, 157*0Sstevel@tonic-gate { "?", hhelp, help }, 158*0Sstevel@tonic-gate { NULL } 159*0Sstevel@tonic-gate }; 160*0Sstevel@tonic-gate 161*0Sstevel@tonic-gate #define AMBIGCMD (&cmdtab[NELEM(cmdtab)]) 162*0Sstevel@tonic-gate 163*0Sstevel@tonic-gate int 164*0Sstevel@tonic-gate main(int argc, char **argv) 165*0Sstevel@tonic-gate { 166*0Sstevel@tonic-gate struct servent *sp; 167*0Sstevel@tonic-gate struct sockaddr_in6 sin6; 168*0Sstevel@tonic-gate int top; 169*0Sstevel@tonic-gate 170*0Sstevel@tonic-gate sp = getservbyname("tftp", "udp"); 171*0Sstevel@tonic-gate default_port = (sp != NULL) ? sp->s_port : htons(IPPORT_TFTP); 172*0Sstevel@tonic-gate port = default_port; 173*0Sstevel@tonic-gate 174*0Sstevel@tonic-gate f = socket(AF_INET6, SOCK_DGRAM, 0); 175*0Sstevel@tonic-gate if (f < 0) { 176*0Sstevel@tonic-gate perror("tftp: socket"); 177*0Sstevel@tonic-gate exit(3); 178*0Sstevel@tonic-gate } 179*0Sstevel@tonic-gate 180*0Sstevel@tonic-gate (void) memset(&sin6, 0, sizeof (sin6)); 181*0Sstevel@tonic-gate sin6.sin6_family = AF_INET6; 182*0Sstevel@tonic-gate if (bind(f, (struct sockaddr *)&sin6, sizeof (sin6)) < 0) { 183*0Sstevel@tonic-gate perror("tftp: bind"); 184*0Sstevel@tonic-gate exit(1); 185*0Sstevel@tonic-gate } 186*0Sstevel@tonic-gate 187*0Sstevel@tonic-gate (void) strlcpy(mode, "netascii", sizeof (mode)); 188*0Sstevel@tonic-gate (void) signal(SIGINT, intr); 189*0Sstevel@tonic-gate if (argc > 1) { 190*0Sstevel@tonic-gate if (setjmp(toplevel) != 0) 191*0Sstevel@tonic-gate exit(0); 192*0Sstevel@tonic-gate setpeer(argc, argv); 193*0Sstevel@tonic-gate } 194*0Sstevel@tonic-gate 195*0Sstevel@tonic-gate top = (setjmp(toplevel) == 0); 196*0Sstevel@tonic-gate for (;;) 197*0Sstevel@tonic-gate command(top); 198*0Sstevel@tonic-gate 199*0Sstevel@tonic-gate /*NOTREACHED*/ 200*0Sstevel@tonic-gate return (0); 201*0Sstevel@tonic-gate } 202*0Sstevel@tonic-gate 203*0Sstevel@tonic-gate /* Prompt for command argument, add to buffer with space separator */ 204*0Sstevel@tonic-gate static int 205*0Sstevel@tonic-gate prompt_for_arg(char *buffer, int buffer_size, char *prompt) 206*0Sstevel@tonic-gate { 207*0Sstevel@tonic-gate int ch; 208*0Sstevel@tonic-gate 209*0Sstevel@tonic-gate if (strlcat(buffer, " ", buffer_size) >= buffer_size) { 210*0Sstevel@tonic-gate (void) fputs("?Line too long\n", stderr); 211*0Sstevel@tonic-gate return (-1); 212*0Sstevel@tonic-gate } 213*0Sstevel@tonic-gate (void) printf("(%s) ", prompt); 214*0Sstevel@tonic-gate if (fgets(buffer + strlen(buffer), buffer_size - strlen(buffer), 215*0Sstevel@tonic-gate stdin) == NULL) { 216*0Sstevel@tonic-gate return (-1); 217*0Sstevel@tonic-gate } 218*0Sstevel@tonic-gate /* Flush what didn't fit in the buffer */ 219*0Sstevel@tonic-gate if (buffer[strlen(buffer)-1] != '\n') { 220*0Sstevel@tonic-gate while (((ch = getchar()) != EOF) && (ch != '\n')) 221*0Sstevel@tonic-gate ; 222*0Sstevel@tonic-gate (void) fputs("?Line too long\n", stderr); 223*0Sstevel@tonic-gate return (-1); 224*0Sstevel@tonic-gate } else { 225*0Sstevel@tonic-gate buffer[strlen(buffer)-1] = '\0'; 226*0Sstevel@tonic-gate } 227*0Sstevel@tonic-gate return (0); 228*0Sstevel@tonic-gate } 229*0Sstevel@tonic-gate 230*0Sstevel@tonic-gate static void 231*0Sstevel@tonic-gate unknown_host(int error, char *hostname) 232*0Sstevel@tonic-gate { 233*0Sstevel@tonic-gate if (error == TRY_AGAIN) 234*0Sstevel@tonic-gate (void) fprintf(stderr, "%s: Unknown host (try again later).\n", 235*0Sstevel@tonic-gate hostname); 236*0Sstevel@tonic-gate else 237*0Sstevel@tonic-gate (void) fprintf(stderr, "%s: Unknown host.\n", hostname); 238*0Sstevel@tonic-gate } 239*0Sstevel@tonic-gate 240*0Sstevel@tonic-gate static void 241*0Sstevel@tonic-gate setpeer(int argc, char **argv) 242*0Sstevel@tonic-gate { 243*0Sstevel@tonic-gate struct hostent *host; 244*0Sstevel@tonic-gate int error_num; 245*0Sstevel@tonic-gate struct in6_addr ipv6addr; 246*0Sstevel@tonic-gate struct in_addr ipv4addr; 247*0Sstevel@tonic-gate char *hostnameinput; 248*0Sstevel@tonic-gate 249*0Sstevel@tonic-gate if (argc < 2) { 250*0Sstevel@tonic-gate if (prompt_for_arg(line, sizeof (line), "to") == -1) 251*0Sstevel@tonic-gate return; 252*0Sstevel@tonic-gate makeargv(&argc, &argv); 253*0Sstevel@tonic-gate } 254*0Sstevel@tonic-gate if (argc > 3 || argc < 2) { 255*0Sstevel@tonic-gate (void) fprintf(stderr, "usage: %s host-name [port]\n", 256*0Sstevel@tonic-gate argv[0]); 257*0Sstevel@tonic-gate return; 258*0Sstevel@tonic-gate } 259*0Sstevel@tonic-gate hostnameinput = removebrackets(argv[1]); 260*0Sstevel@tonic-gate 261*0Sstevel@tonic-gate (void) memset(&sin6, 0, sizeof (sin6)); 262*0Sstevel@tonic-gate sin6.sin6_family = AF_INET6; 263*0Sstevel@tonic-gate if (host = getipnodebyname(hostnameinput, AF_INET6, 264*0Sstevel@tonic-gate AI_ALL | AI_ADDRCONFIG | AI_V4MAPPED, &error_num)) { 265*0Sstevel@tonic-gate (void) memcpy(&sin6.sin6_addr, host->h_addr_list[0], 266*0Sstevel@tonic-gate host->h_length); 267*0Sstevel@tonic-gate /* 268*0Sstevel@tonic-gate * If host->h_name is a IPv4-mapped IPv6 literal, we'll convert 269*0Sstevel@tonic-gate * it to IPv4 literal address. 270*0Sstevel@tonic-gate */ 271*0Sstevel@tonic-gate if ((inet_pton(AF_INET6, host->h_name, &ipv6addr) > 0) && 272*0Sstevel@tonic-gate IN6_IS_ADDR_V4MAPPED(&ipv6addr)) { 273*0Sstevel@tonic-gate IN6_V4MAPPED_TO_INADDR(&ipv6addr, &ipv4addr); 274*0Sstevel@tonic-gate (void) inet_ntop(AF_INET, &ipv4addr, hostname, 275*0Sstevel@tonic-gate sizeof (hostname)); 276*0Sstevel@tonic-gate } else { 277*0Sstevel@tonic-gate (void) strlcpy(hostname, host->h_name, 278*0Sstevel@tonic-gate sizeof (hostname)); 279*0Sstevel@tonic-gate } 280*0Sstevel@tonic-gate freehostent(host); 281*0Sstevel@tonic-gate } else { 282*0Sstevel@tonic-gate /* Keeping with previous semantics */ 283*0Sstevel@tonic-gate connected = 0; 284*0Sstevel@tonic-gate unknown_host(error_num, hostnameinput); 285*0Sstevel@tonic-gate return; 286*0Sstevel@tonic-gate } 287*0Sstevel@tonic-gate 288*0Sstevel@tonic-gate port = default_port; 289*0Sstevel@tonic-gate if (argc == 3) { 290*0Sstevel@tonic-gate port = atoi(argv[2]); 291*0Sstevel@tonic-gate if ((port < 1) || (port > 65535)) { 292*0Sstevel@tonic-gate (void) fprintf(stderr, "%s: bad port number\n", 293*0Sstevel@tonic-gate argv[2]); 294*0Sstevel@tonic-gate connected = 0; 295*0Sstevel@tonic-gate return; 296*0Sstevel@tonic-gate } 297*0Sstevel@tonic-gate port = htons(port); 298*0Sstevel@tonic-gate } 299*0Sstevel@tonic-gate connected = 1; 300*0Sstevel@tonic-gate } 301*0Sstevel@tonic-gate 302*0Sstevel@tonic-gate static struct modes { 303*0Sstevel@tonic-gate char *m_name; 304*0Sstevel@tonic-gate char *m_mode; 305*0Sstevel@tonic-gate } modes[] = { 306*0Sstevel@tonic-gate { "ascii", "netascii" }, 307*0Sstevel@tonic-gate { "netascii", "netascii" }, 308*0Sstevel@tonic-gate { "binary", "octet" }, 309*0Sstevel@tonic-gate { "image", "octet" }, 310*0Sstevel@tonic-gate { "octet", "octet" }, 311*0Sstevel@tonic-gate /* { "mail", "mail" }, */ 312*0Sstevel@tonic-gate { 0, 0 } 313*0Sstevel@tonic-gate }; 314*0Sstevel@tonic-gate 315*0Sstevel@tonic-gate static void 316*0Sstevel@tonic-gate modecmd(int argc, char **argv) 317*0Sstevel@tonic-gate { 318*0Sstevel@tonic-gate struct modes *p; 319*0Sstevel@tonic-gate 320*0Sstevel@tonic-gate if (argc < 2) { 321*0Sstevel@tonic-gate (void) fprintf(stderr, "Using %s mode to transfer files.\n", 322*0Sstevel@tonic-gate mode); 323*0Sstevel@tonic-gate return; 324*0Sstevel@tonic-gate } 325*0Sstevel@tonic-gate if (argc == 2) { 326*0Sstevel@tonic-gate for (p = modes; p->m_name != NULL; p++) 327*0Sstevel@tonic-gate if (strcmp(argv[1], p->m_name) == 0) { 328*0Sstevel@tonic-gate setmode(p->m_mode); 329*0Sstevel@tonic-gate return; 330*0Sstevel@tonic-gate } 331*0Sstevel@tonic-gate (void) fprintf(stderr, "%s: unknown mode\n", argv[1]); 332*0Sstevel@tonic-gate /* drop through and print usage message */ 333*0Sstevel@tonic-gate } 334*0Sstevel@tonic-gate 335*0Sstevel@tonic-gate p = modes; 336*0Sstevel@tonic-gate (void) fprintf(stderr, "usage: %s [ %s", argv[0], p->m_name); 337*0Sstevel@tonic-gate for (p++; p->m_name != NULL; p++) 338*0Sstevel@tonic-gate (void) fprintf(stderr, " | %s", p->m_name); 339*0Sstevel@tonic-gate (void) puts(" ]"); 340*0Sstevel@tonic-gate } 341*0Sstevel@tonic-gate 342*0Sstevel@tonic-gate /*ARGSUSED*/ 343*0Sstevel@tonic-gate static void 344*0Sstevel@tonic-gate setbinary(int argc, char **argv) 345*0Sstevel@tonic-gate { 346*0Sstevel@tonic-gate setmode("octet"); 347*0Sstevel@tonic-gate } 348*0Sstevel@tonic-gate 349*0Sstevel@tonic-gate /*ARGSUSED*/ 350*0Sstevel@tonic-gate static void 351*0Sstevel@tonic-gate setascii(int argc, char **argv) 352*0Sstevel@tonic-gate { 353*0Sstevel@tonic-gate setmode("netascii"); 354*0Sstevel@tonic-gate } 355*0Sstevel@tonic-gate 356*0Sstevel@tonic-gate static void 357*0Sstevel@tonic-gate setmode(char *newmode) 358*0Sstevel@tonic-gate { 359*0Sstevel@tonic-gate (void) strlcpy(mode, newmode, sizeof (mode)); 360*0Sstevel@tonic-gate if (verbose) 361*0Sstevel@tonic-gate (void) printf("mode set to %s\n", mode); 362*0Sstevel@tonic-gate } 363*0Sstevel@tonic-gate 364*0Sstevel@tonic-gate /* 365*0Sstevel@tonic-gate * Send file(s). 366*0Sstevel@tonic-gate */ 367*0Sstevel@tonic-gate static void 368*0Sstevel@tonic-gate put(int argc, char **argv) 369*0Sstevel@tonic-gate { 370*0Sstevel@tonic-gate int fd; 371*0Sstevel@tonic-gate int n; 372*0Sstevel@tonic-gate char *cp, *targ; 373*0Sstevel@tonic-gate struct in6_addr ipv6addr; 374*0Sstevel@tonic-gate struct in_addr ipv4addr; 375*0Sstevel@tonic-gate char buf[PATH_MAX + 1], *argtail; 376*0Sstevel@tonic-gate 377*0Sstevel@tonic-gate if (argc < 2) { 378*0Sstevel@tonic-gate if (prompt_for_arg(line, sizeof (line), "file") == -1) 379*0Sstevel@tonic-gate return; 380*0Sstevel@tonic-gate makeargv(&argc, &argv); 381*0Sstevel@tonic-gate } 382*0Sstevel@tonic-gate if (argc < 2) { 383*0Sstevel@tonic-gate putusage(argv[0]); 384*0Sstevel@tonic-gate return; 385*0Sstevel@tonic-gate } 386*0Sstevel@tonic-gate targ = argv[argc - 1]; 387*0Sstevel@tonic-gate if (finddelimiter(argv[argc - 1])) { 388*0Sstevel@tonic-gate char *cp; 389*0Sstevel@tonic-gate struct hostent *hp; 390*0Sstevel@tonic-gate int error_num; 391*0Sstevel@tonic-gate 392*0Sstevel@tonic-gate for (n = 1; n < argc - 1; n++) 393*0Sstevel@tonic-gate if (finddelimiter(argv[n])) { 394*0Sstevel@tonic-gate putusage(argv[0]); 395*0Sstevel@tonic-gate return; 396*0Sstevel@tonic-gate } 397*0Sstevel@tonic-gate cp = argv[argc - 1]; 398*0Sstevel@tonic-gate targ = finddelimiter(cp); 399*0Sstevel@tonic-gate *targ++ = 0; 400*0Sstevel@tonic-gate cp = removebrackets(cp); 401*0Sstevel@tonic-gate 402*0Sstevel@tonic-gate if ((hp = getipnodebyname(cp, 403*0Sstevel@tonic-gate AF_INET6, AI_ALL | AI_ADDRCONFIG | AI_V4MAPPED, 404*0Sstevel@tonic-gate &error_num)) == NULL) { 405*0Sstevel@tonic-gate unknown_host(error_num, cp); 406*0Sstevel@tonic-gate return; 407*0Sstevel@tonic-gate } 408*0Sstevel@tonic-gate (void) memcpy(&sin6.sin6_addr, hp->h_addr_list[0], 409*0Sstevel@tonic-gate hp->h_length); 410*0Sstevel@tonic-gate 411*0Sstevel@tonic-gate sin6.sin6_family = AF_INET6; 412*0Sstevel@tonic-gate connected = 1; 413*0Sstevel@tonic-gate /* 414*0Sstevel@tonic-gate * If hp->h_name is a IPv4-mapped IPv6 literal, we'll convert 415*0Sstevel@tonic-gate * it to IPv4 literal address. 416*0Sstevel@tonic-gate */ 417*0Sstevel@tonic-gate if ((inet_pton(AF_INET6, hp->h_name, &ipv6addr) > 0) && 418*0Sstevel@tonic-gate IN6_IS_ADDR_V4MAPPED(&ipv6addr)) { 419*0Sstevel@tonic-gate IN6_V4MAPPED_TO_INADDR(&ipv6addr, &ipv4addr); 420*0Sstevel@tonic-gate (void) inet_ntop(AF_INET, &ipv4addr, hostname, 421*0Sstevel@tonic-gate sizeof (hostname)); 422*0Sstevel@tonic-gate } else { 423*0Sstevel@tonic-gate (void) strlcpy(hostname, hp->h_name, 424*0Sstevel@tonic-gate sizeof (hostname)); 425*0Sstevel@tonic-gate } 426*0Sstevel@tonic-gate } 427*0Sstevel@tonic-gate if (!connected) { 428*0Sstevel@tonic-gate (void) fputs("No target machine specified.\n", stderr); 429*0Sstevel@tonic-gate return; 430*0Sstevel@tonic-gate } 431*0Sstevel@tonic-gate if (argc < 4) { 432*0Sstevel@tonic-gate cp = argc == 2 ? tail(targ) : argv[1]; 433*0Sstevel@tonic-gate fd = open(cp, O_RDONLY); 434*0Sstevel@tonic-gate if (fd < 0) { 435*0Sstevel@tonic-gate (void) fprintf(stderr, "tftp: %s: %s\n", cp, 436*0Sstevel@tonic-gate strerror(errno)); 437*0Sstevel@tonic-gate return; 438*0Sstevel@tonic-gate } 439*0Sstevel@tonic-gate if (verbose) 440*0Sstevel@tonic-gate (void) printf("putting %s to %s:%s [%s]\n", 441*0Sstevel@tonic-gate cp, hostname, targ, mode); 442*0Sstevel@tonic-gate sin6.sin6_port = port; 443*0Sstevel@tonic-gate tftp_sendfile(fd, targ, mode); 444*0Sstevel@tonic-gate return; 445*0Sstevel@tonic-gate } 446*0Sstevel@tonic-gate /* this assumes the target is a directory */ 447*0Sstevel@tonic-gate /* on a remote unix system. hmmmm. */ 448*0Sstevel@tonic-gate if (strlen(targ) + 1 >= sizeof (buf)) { 449*0Sstevel@tonic-gate (void) fprintf(stderr, "tftp: filename too long: %s\n", targ); 450*0Sstevel@tonic-gate return; 451*0Sstevel@tonic-gate } 452*0Sstevel@tonic-gate for (n = 1; n < argc - 1; n++) { 453*0Sstevel@tonic-gate argtail = tail(argv[n]); 454*0Sstevel@tonic-gate if (snprintf(buf, sizeof (buf), "%s/%s", targ, argtail) >= 455*0Sstevel@tonic-gate sizeof (buf)) { 456*0Sstevel@tonic-gate (void) fprintf(stderr, 457*0Sstevel@tonic-gate "tftp: filename too long: %s/%s\n", targ, argtail); 458*0Sstevel@tonic-gate continue; 459*0Sstevel@tonic-gate } 460*0Sstevel@tonic-gate fd = open(argv[n], O_RDONLY); 461*0Sstevel@tonic-gate if (fd < 0) { 462*0Sstevel@tonic-gate (void) fprintf(stderr, "tftp: %s: %s\n", argv[n], 463*0Sstevel@tonic-gate strerror(errno)); 464*0Sstevel@tonic-gate continue; 465*0Sstevel@tonic-gate } 466*0Sstevel@tonic-gate if (verbose) 467*0Sstevel@tonic-gate (void) printf("putting %s to %s:%s [%s]\n", 468*0Sstevel@tonic-gate argv[n], hostname, buf, mode); 469*0Sstevel@tonic-gate sin6.sin6_port = port; 470*0Sstevel@tonic-gate tftp_sendfile(fd, buf, mode); 471*0Sstevel@tonic-gate } 472*0Sstevel@tonic-gate } 473*0Sstevel@tonic-gate 474*0Sstevel@tonic-gate static void 475*0Sstevel@tonic-gate putusage(char *s) 476*0Sstevel@tonic-gate { 477*0Sstevel@tonic-gate (void) fprintf(stderr, "usage: %s file ... host:target, or\n" 478*0Sstevel@tonic-gate " %s file ... target (when already connected)\n", s, s); 479*0Sstevel@tonic-gate } 480*0Sstevel@tonic-gate 481*0Sstevel@tonic-gate /* 482*0Sstevel@tonic-gate * Receive file(s). 483*0Sstevel@tonic-gate */ 484*0Sstevel@tonic-gate static void 485*0Sstevel@tonic-gate get(int argc, char **argv) 486*0Sstevel@tonic-gate { 487*0Sstevel@tonic-gate int fd; 488*0Sstevel@tonic-gate int n; 489*0Sstevel@tonic-gate char *cp; 490*0Sstevel@tonic-gate char *src; 491*0Sstevel@tonic-gate struct in6_addr ipv6addr; 492*0Sstevel@tonic-gate struct in_addr ipv4addr; 493*0Sstevel@tonic-gate int error_num; 494*0Sstevel@tonic-gate 495*0Sstevel@tonic-gate if (argc < 2) { 496*0Sstevel@tonic-gate if (prompt_for_arg(line, sizeof (line), "files") == -1) 497*0Sstevel@tonic-gate return; 498*0Sstevel@tonic-gate makeargv(&argc, &argv); 499*0Sstevel@tonic-gate } 500*0Sstevel@tonic-gate if (argc < 2) { 501*0Sstevel@tonic-gate getusage(argv[0]); 502*0Sstevel@tonic-gate return; 503*0Sstevel@tonic-gate } 504*0Sstevel@tonic-gate if (!connected) { 505*0Sstevel@tonic-gate for (n = 1; n < argc; n++) 506*0Sstevel@tonic-gate if (finddelimiter(argv[n]) == 0) { 507*0Sstevel@tonic-gate getusage(argv[0]); 508*0Sstevel@tonic-gate return; 509*0Sstevel@tonic-gate } 510*0Sstevel@tonic-gate } 511*0Sstevel@tonic-gate for (n = 1; n < argc; n++) { 512*0Sstevel@tonic-gate src = finddelimiter(argv[n]); 513*0Sstevel@tonic-gate if (src == NULL) 514*0Sstevel@tonic-gate src = argv[n]; 515*0Sstevel@tonic-gate else { 516*0Sstevel@tonic-gate struct hostent *hp; 517*0Sstevel@tonic-gate char *hostnameinput; 518*0Sstevel@tonic-gate 519*0Sstevel@tonic-gate *src++ = 0; 520*0Sstevel@tonic-gate hostnameinput = removebrackets(argv[n]); 521*0Sstevel@tonic-gate 522*0Sstevel@tonic-gate if ((hp = getipnodebyname(hostnameinput, AF_INET6, 523*0Sstevel@tonic-gate AI_ALL | AI_ADDRCONFIG | AI_V4MAPPED, 524*0Sstevel@tonic-gate &error_num)) == NULL) { 525*0Sstevel@tonic-gate unknown_host(error_num, hostnameinput); 526*0Sstevel@tonic-gate continue; 527*0Sstevel@tonic-gate } 528*0Sstevel@tonic-gate (void) memcpy((caddr_t)&sin6.sin6_addr, 529*0Sstevel@tonic-gate hp->h_addr_list[0], hp->h_length); 530*0Sstevel@tonic-gate 531*0Sstevel@tonic-gate sin6.sin6_family = AF_INET6; 532*0Sstevel@tonic-gate connected = 1; 533*0Sstevel@tonic-gate /* 534*0Sstevel@tonic-gate * If hp->h_name is a IPv4-mapped IPv6 literal, we'll 535*0Sstevel@tonic-gate * convert it to IPv4 literal address. 536*0Sstevel@tonic-gate */ 537*0Sstevel@tonic-gate if ((inet_pton(AF_INET6, hp->h_name, &ipv6addr) > 0) && 538*0Sstevel@tonic-gate IN6_IS_ADDR_V4MAPPED(&ipv6addr)) { 539*0Sstevel@tonic-gate IN6_V4MAPPED_TO_INADDR(&ipv6addr, &ipv4addr); 540*0Sstevel@tonic-gate (void) inet_ntop(AF_INET, &ipv4addr, hostname, 541*0Sstevel@tonic-gate sizeof (hostname)); 542*0Sstevel@tonic-gate } else { 543*0Sstevel@tonic-gate (void) strlcpy(hostname, hp->h_name, 544*0Sstevel@tonic-gate sizeof (hostname)); 545*0Sstevel@tonic-gate } 546*0Sstevel@tonic-gate } 547*0Sstevel@tonic-gate if (argc < 4) { 548*0Sstevel@tonic-gate cp = argc == 3 ? argv[2] : tail(src); 549*0Sstevel@tonic-gate fd = creat(cp, 0644); 550*0Sstevel@tonic-gate if (fd < 0) { 551*0Sstevel@tonic-gate (void) fprintf(stderr, "tftp: %s: %s\n", cp, 552*0Sstevel@tonic-gate strerror(errno)); 553*0Sstevel@tonic-gate return; 554*0Sstevel@tonic-gate } 555*0Sstevel@tonic-gate if (verbose) 556*0Sstevel@tonic-gate (void) printf("getting from %s:%s to %s [%s]\n", 557*0Sstevel@tonic-gate hostname, src, cp, mode); 558*0Sstevel@tonic-gate sin6.sin6_port = port; 559*0Sstevel@tonic-gate tftp_recvfile(fd, src, mode); 560*0Sstevel@tonic-gate break; 561*0Sstevel@tonic-gate } 562*0Sstevel@tonic-gate cp = tail(src); /* new .. jdg */ 563*0Sstevel@tonic-gate fd = creat(cp, 0644); 564*0Sstevel@tonic-gate if (fd < 0) { 565*0Sstevel@tonic-gate (void) fprintf(stderr, "tftp: %s: %s\n", cp, 566*0Sstevel@tonic-gate strerror(errno)); 567*0Sstevel@tonic-gate continue; 568*0Sstevel@tonic-gate } 569*0Sstevel@tonic-gate if (verbose) 570*0Sstevel@tonic-gate (void) printf("getting from %s:%s to %s [%s]\n", 571*0Sstevel@tonic-gate hostname, src, cp, mode); 572*0Sstevel@tonic-gate sin6.sin6_port = port; 573*0Sstevel@tonic-gate tftp_recvfile(fd, src, mode); 574*0Sstevel@tonic-gate } 575*0Sstevel@tonic-gate } 576*0Sstevel@tonic-gate 577*0Sstevel@tonic-gate static void 578*0Sstevel@tonic-gate getusage(char *s) 579*0Sstevel@tonic-gate { 580*0Sstevel@tonic-gate (void) fprintf(stderr, "usage: %s host:file host:file ... file, or\n" 581*0Sstevel@tonic-gate " %s file file ... file if connected\n", s, s); 582*0Sstevel@tonic-gate } 583*0Sstevel@tonic-gate 584*0Sstevel@tonic-gate static void 585*0Sstevel@tonic-gate setrexmt(int argc, char **argv) 586*0Sstevel@tonic-gate { 587*0Sstevel@tonic-gate int t; 588*0Sstevel@tonic-gate 589*0Sstevel@tonic-gate if (argc < 2) { 590*0Sstevel@tonic-gate if (prompt_for_arg(line, sizeof (line), "value") == -1) 591*0Sstevel@tonic-gate return; 592*0Sstevel@tonic-gate makeargv(&argc, &argv); 593*0Sstevel@tonic-gate } 594*0Sstevel@tonic-gate if (argc != 2) { 595*0Sstevel@tonic-gate (void) fprintf(stderr, "usage: %s value\n", argv[0]); 596*0Sstevel@tonic-gate return; 597*0Sstevel@tonic-gate } 598*0Sstevel@tonic-gate t = atoi(argv[1]); 599*0Sstevel@tonic-gate if (t < 0) 600*0Sstevel@tonic-gate (void) fprintf(stderr, "%s: bad value\n", argv[1]); 601*0Sstevel@tonic-gate else 602*0Sstevel@tonic-gate rexmtval = t; 603*0Sstevel@tonic-gate } 604*0Sstevel@tonic-gate 605*0Sstevel@tonic-gate static void 606*0Sstevel@tonic-gate settimeout(int argc, char **argv) 607*0Sstevel@tonic-gate { 608*0Sstevel@tonic-gate int t; 609*0Sstevel@tonic-gate 610*0Sstevel@tonic-gate if (argc < 2) { 611*0Sstevel@tonic-gate if (prompt_for_arg(line, sizeof (line), "value") == -1) 612*0Sstevel@tonic-gate return; 613*0Sstevel@tonic-gate makeargv(&argc, &argv); 614*0Sstevel@tonic-gate } 615*0Sstevel@tonic-gate if (argc != 2) { 616*0Sstevel@tonic-gate (void) fprintf(stderr, "usage: %s value\n", argv[0]); 617*0Sstevel@tonic-gate return; 618*0Sstevel@tonic-gate } 619*0Sstevel@tonic-gate t = atoi(argv[1]); 620*0Sstevel@tonic-gate if (t < 0) 621*0Sstevel@tonic-gate (void) fprintf(stderr, "%s: bad value\n", argv[1]); 622*0Sstevel@tonic-gate else 623*0Sstevel@tonic-gate maxtimeout = t; 624*0Sstevel@tonic-gate } 625*0Sstevel@tonic-gate 626*0Sstevel@tonic-gate /*ARGSUSED*/ 627*0Sstevel@tonic-gate static void 628*0Sstevel@tonic-gate status(int argc, char **argv) 629*0Sstevel@tonic-gate { 630*0Sstevel@tonic-gate if (connected) 631*0Sstevel@tonic-gate (void) printf("Connected to %s.\n", hostname); 632*0Sstevel@tonic-gate else 633*0Sstevel@tonic-gate (void) puts("Not connected."); 634*0Sstevel@tonic-gate (void) printf("Mode: %s Verbose: %s Tracing: %s\n", mode, 635*0Sstevel@tonic-gate verbose ? "on" : "off", trace ? "on" : "off"); 636*0Sstevel@tonic-gate (void) printf("Rexmt-interval: %d seconds, Max-timeout: %d seconds\n", 637*0Sstevel@tonic-gate rexmtval, maxtimeout); 638*0Sstevel@tonic-gate (void) printf("Transfer blocksize option: "); 639*0Sstevel@tonic-gate if (blksize == 0) 640*0Sstevel@tonic-gate (void) puts("off"); 641*0Sstevel@tonic-gate else 642*0Sstevel@tonic-gate (void) printf("%d bytes\n", blksize); 643*0Sstevel@tonic-gate (void) printf("Server rexmt-interval option: "); 644*0Sstevel@tonic-gate if (srexmtval == 0) 645*0Sstevel@tonic-gate (void) puts("off"); 646*0Sstevel@tonic-gate else 647*0Sstevel@tonic-gate (void) printf("%d seconds\n", srexmtval); 648*0Sstevel@tonic-gate (void) printf("Transfer size option: %s\n", tsize_opt ? "on" : "off"); 649*0Sstevel@tonic-gate } 650*0Sstevel@tonic-gate 651*0Sstevel@tonic-gate /*ARGSUSED*/ 652*0Sstevel@tonic-gate static void 653*0Sstevel@tonic-gate intr(int signum) 654*0Sstevel@tonic-gate { 655*0Sstevel@tonic-gate (void) cancel_alarm(); 656*0Sstevel@tonic-gate longjmp(toplevel, -1); 657*0Sstevel@tonic-gate } 658*0Sstevel@tonic-gate 659*0Sstevel@tonic-gate static char * 660*0Sstevel@tonic-gate tail(char *filename) 661*0Sstevel@tonic-gate { 662*0Sstevel@tonic-gate char *s; 663*0Sstevel@tonic-gate 664*0Sstevel@tonic-gate while (*filename != '\0') { 665*0Sstevel@tonic-gate s = strrchr(filename, '/'); 666*0Sstevel@tonic-gate if (s == NULL) 667*0Sstevel@tonic-gate break; 668*0Sstevel@tonic-gate if (s[1] != '\0') 669*0Sstevel@tonic-gate return (&s[1]); 670*0Sstevel@tonic-gate *s = '\0'; 671*0Sstevel@tonic-gate } 672*0Sstevel@tonic-gate return (filename); 673*0Sstevel@tonic-gate } 674*0Sstevel@tonic-gate 675*0Sstevel@tonic-gate /* 676*0Sstevel@tonic-gate * Command parser. 677*0Sstevel@tonic-gate */ 678*0Sstevel@tonic-gate static void 679*0Sstevel@tonic-gate command(int top) 680*0Sstevel@tonic-gate { 681*0Sstevel@tonic-gate struct cmd *c; 682*0Sstevel@tonic-gate int ch; 683*0Sstevel@tonic-gate 684*0Sstevel@tonic-gate if (!top) 685*0Sstevel@tonic-gate (void) putchar('\n'); 686*0Sstevel@tonic-gate for (;;) { 687*0Sstevel@tonic-gate (void) printf("%s> ", prompt); 688*0Sstevel@tonic-gate if (fgets(line, sizeof (line), stdin) == NULL) { 689*0Sstevel@tonic-gate if (feof(stdin)) 690*0Sstevel@tonic-gate quit(0, NULL); 691*0Sstevel@tonic-gate else 692*0Sstevel@tonic-gate continue; 693*0Sstevel@tonic-gate } 694*0Sstevel@tonic-gate 695*0Sstevel@tonic-gate /* Flush what didn't fit in the buffer */ 696*0Sstevel@tonic-gate if (line[strlen(line)-1] != '\n') { 697*0Sstevel@tonic-gate while (((ch = getchar()) != EOF) && (ch != '\n')) 698*0Sstevel@tonic-gate ; 699*0Sstevel@tonic-gate (void) fputs("?Line too long\n", stderr); 700*0Sstevel@tonic-gate } else { 701*0Sstevel@tonic-gate line[strlen(line)-1] = '\0'; 702*0Sstevel@tonic-gate if (line[0] != '\0') { 703*0Sstevel@tonic-gate int argc; 704*0Sstevel@tonic-gate char **argv; 705*0Sstevel@tonic-gate 706*0Sstevel@tonic-gate makeargv(&argc, &argv); 707*0Sstevel@tonic-gate c = getcmd(argv[0]); 708*0Sstevel@tonic-gate if (c == AMBIGCMD) 709*0Sstevel@tonic-gate (void) fputs("?Ambiguous command\n", 710*0Sstevel@tonic-gate stderr); 711*0Sstevel@tonic-gate else if (c == NULL) 712*0Sstevel@tonic-gate (void) fputs("?Invalid command\n", 713*0Sstevel@tonic-gate stderr); 714*0Sstevel@tonic-gate else 715*0Sstevel@tonic-gate (*c->handler)(argc, argv); 716*0Sstevel@tonic-gate } 717*0Sstevel@tonic-gate } 718*0Sstevel@tonic-gate } 719*0Sstevel@tonic-gate } 720*0Sstevel@tonic-gate 721*0Sstevel@tonic-gate static struct cmd * 722*0Sstevel@tonic-gate getcmd(char *name) 723*0Sstevel@tonic-gate { 724*0Sstevel@tonic-gate char *p, *q; 725*0Sstevel@tonic-gate struct cmd *c, *found; 726*0Sstevel@tonic-gate 727*0Sstevel@tonic-gate if (name == NULL) 728*0Sstevel@tonic-gate return (NULL); 729*0Sstevel@tonic-gate 730*0Sstevel@tonic-gate found = NULL; 731*0Sstevel@tonic-gate for (c = cmdtab; (p = c->name) != NULL; c++) { 732*0Sstevel@tonic-gate for (q = name; *q == *p++; q++) 733*0Sstevel@tonic-gate if (*q == '\0') /* exact match? */ 734*0Sstevel@tonic-gate return (c); 735*0Sstevel@tonic-gate if (*q == '\0') /* the name was a prefix */ 736*0Sstevel@tonic-gate found = (found == NULL) ? c : AMBIGCMD; 737*0Sstevel@tonic-gate } 738*0Sstevel@tonic-gate return (found); 739*0Sstevel@tonic-gate } 740*0Sstevel@tonic-gate 741*0Sstevel@tonic-gate /* 742*0Sstevel@tonic-gate * Given a string, this function returns the pointer to the delimiting ':'. 743*0Sstevel@tonic-gate * The string can contain an IPv6 literal address, which should be inside a 744*0Sstevel@tonic-gate * pair of brackets, e.g. [1::2]. Any colons inside a pair of brackets are not 745*0Sstevel@tonic-gate * accepted as delimiters. Returns NULL if delimiting ':' is not found. 746*0Sstevel@tonic-gate */ 747*0Sstevel@tonic-gate static char * 748*0Sstevel@tonic-gate finddelimiter(char *str) 749*0Sstevel@tonic-gate { 750*0Sstevel@tonic-gate boolean_t is_bracket_open = B_FALSE; 751*0Sstevel@tonic-gate char *cp; 752*0Sstevel@tonic-gate 753*0Sstevel@tonic-gate for (cp = str; *cp != '\0'; cp++) { 754*0Sstevel@tonic-gate if (*cp == '[') 755*0Sstevel@tonic-gate is_bracket_open = B_TRUE; 756*0Sstevel@tonic-gate else if (*cp == ']') 757*0Sstevel@tonic-gate is_bracket_open = B_FALSE; 758*0Sstevel@tonic-gate else if (*cp == ':' && !is_bracket_open) 759*0Sstevel@tonic-gate return (cp); 760*0Sstevel@tonic-gate } 761*0Sstevel@tonic-gate return (NULL); 762*0Sstevel@tonic-gate } 763*0Sstevel@tonic-gate 764*0Sstevel@tonic-gate /* 765*0Sstevel@tonic-gate * Given a string which is possibly surrounded by brackets, e.g. [1::2], this 766*0Sstevel@tonic-gate * function returns a string after removing those brackets. If the brackets 767*0Sstevel@tonic-gate * don't match, it does nothing. 768*0Sstevel@tonic-gate */ 769*0Sstevel@tonic-gate static char * 770*0Sstevel@tonic-gate removebrackets(char *str) 771*0Sstevel@tonic-gate { 772*0Sstevel@tonic-gate char *newstr = str; 773*0Sstevel@tonic-gate 774*0Sstevel@tonic-gate if ((str[0] == '[') && (str[strlen(str) - 1] == ']')) { 775*0Sstevel@tonic-gate newstr = str + 1; 776*0Sstevel@tonic-gate str[strlen(str) - 1] = '\0'; 777*0Sstevel@tonic-gate } 778*0Sstevel@tonic-gate return (newstr); 779*0Sstevel@tonic-gate } 780*0Sstevel@tonic-gate 781*0Sstevel@tonic-gate #define MARGV_INC 20 782*0Sstevel@tonic-gate 783*0Sstevel@tonic-gate /* 784*0Sstevel@tonic-gate * Slice a string up into argc/argv. 785*0Sstevel@tonic-gate */ 786*0Sstevel@tonic-gate static void 787*0Sstevel@tonic-gate makeargv(int *argcp, char ***argvp) 788*0Sstevel@tonic-gate { 789*0Sstevel@tonic-gate char *cp; 790*0Sstevel@tonic-gate char **argp; 791*0Sstevel@tonic-gate int argc; 792*0Sstevel@tonic-gate static char **argv; 793*0Sstevel@tonic-gate static int argv_size; 794*0Sstevel@tonic-gate 795*0Sstevel@tonic-gate if (argv == NULL) { 796*0Sstevel@tonic-gate argv_size = MARGV_INC; 797*0Sstevel@tonic-gate if ((argv = malloc(argv_size * sizeof (char *))) == NULL) { 798*0Sstevel@tonic-gate perror("tftp: malloc"); 799*0Sstevel@tonic-gate exit(1); 800*0Sstevel@tonic-gate } 801*0Sstevel@tonic-gate } 802*0Sstevel@tonic-gate argc = 0; 803*0Sstevel@tonic-gate argp = argv; 804*0Sstevel@tonic-gate for (cp = line; *cp != '\0'; ) { 805*0Sstevel@tonic-gate while (isspace(*cp)) 806*0Sstevel@tonic-gate cp++; 807*0Sstevel@tonic-gate if (*cp == '\0') 808*0Sstevel@tonic-gate break; 809*0Sstevel@tonic-gate *argp++ = cp; 810*0Sstevel@tonic-gate argc++; 811*0Sstevel@tonic-gate if (argc == argv_size) { 812*0Sstevel@tonic-gate argv_size += MARGV_INC; 813*0Sstevel@tonic-gate if ((argv = realloc(argv, 814*0Sstevel@tonic-gate argv_size * sizeof (char *))) == NULL) { 815*0Sstevel@tonic-gate perror("tftp: realloc"); 816*0Sstevel@tonic-gate exit(1); 817*0Sstevel@tonic-gate } 818*0Sstevel@tonic-gate argp = argv + argc; 819*0Sstevel@tonic-gate } 820*0Sstevel@tonic-gate while (*cp != '\0' && !isspace(*cp)) 821*0Sstevel@tonic-gate cp++; 822*0Sstevel@tonic-gate if (*cp == '\0') 823*0Sstevel@tonic-gate break; 824*0Sstevel@tonic-gate *cp++ = '\0'; 825*0Sstevel@tonic-gate } 826*0Sstevel@tonic-gate *argp = NULL; 827*0Sstevel@tonic-gate 828*0Sstevel@tonic-gate *argcp = argc; 829*0Sstevel@tonic-gate *argvp = argv; 830*0Sstevel@tonic-gate } 831*0Sstevel@tonic-gate 832*0Sstevel@tonic-gate /*ARGSUSED*/ 833*0Sstevel@tonic-gate static void 834*0Sstevel@tonic-gate quit(int argc, char **argv) 835*0Sstevel@tonic-gate { 836*0Sstevel@tonic-gate exit(0); 837*0Sstevel@tonic-gate } 838*0Sstevel@tonic-gate 839*0Sstevel@tonic-gate /* 840*0Sstevel@tonic-gate * Help command. 841*0Sstevel@tonic-gate */ 842*0Sstevel@tonic-gate static void 843*0Sstevel@tonic-gate help(int argc, char **argv) 844*0Sstevel@tonic-gate { 845*0Sstevel@tonic-gate struct cmd *c; 846*0Sstevel@tonic-gate 847*0Sstevel@tonic-gate if (argc == 1) { 848*0Sstevel@tonic-gate (void) puts("Commands may be abbreviated. Commands are:\n"); 849*0Sstevel@tonic-gate for (c = cmdtab; c->name != NULL; c++) 850*0Sstevel@tonic-gate (void) printf("%-*s\t%s\n", HELPINDENT, c->name, 851*0Sstevel@tonic-gate c->help); 852*0Sstevel@tonic-gate return; 853*0Sstevel@tonic-gate } 854*0Sstevel@tonic-gate while (--argc > 0) { 855*0Sstevel@tonic-gate char *arg; 856*0Sstevel@tonic-gate arg = *++argv; 857*0Sstevel@tonic-gate c = getcmd(arg); 858*0Sstevel@tonic-gate if (c == AMBIGCMD) 859*0Sstevel@tonic-gate (void) fprintf(stderr, "?Ambiguous help command %s\n", 860*0Sstevel@tonic-gate arg); 861*0Sstevel@tonic-gate else if (c == NULL) 862*0Sstevel@tonic-gate (void) fprintf(stderr, "?Invalid help command %s\n", 863*0Sstevel@tonic-gate arg); 864*0Sstevel@tonic-gate else 865*0Sstevel@tonic-gate (void) fprintf(stderr, "%s\n", c->help); 866*0Sstevel@tonic-gate } 867*0Sstevel@tonic-gate } 868*0Sstevel@tonic-gate 869*0Sstevel@tonic-gate /*ARGSUSED*/ 870*0Sstevel@tonic-gate static void 871*0Sstevel@tonic-gate settrace(int argc, char **argv) 872*0Sstevel@tonic-gate { 873*0Sstevel@tonic-gate trace = !trace; 874*0Sstevel@tonic-gate (void) printf("Packet tracing %s.\n", trace ? "on" : "off"); 875*0Sstevel@tonic-gate } 876*0Sstevel@tonic-gate 877*0Sstevel@tonic-gate /*ARGSUSED*/ 878*0Sstevel@tonic-gate static void 879*0Sstevel@tonic-gate setverbose(int argc, char **argv) 880*0Sstevel@tonic-gate { 881*0Sstevel@tonic-gate verbose = !verbose; 882*0Sstevel@tonic-gate (void) printf("Verbose mode %s.\n", verbose ? "on" : "off"); 883*0Sstevel@tonic-gate } 884*0Sstevel@tonic-gate 885*0Sstevel@tonic-gate static void 886*0Sstevel@tonic-gate setblksize(int argc, char **argv) 887*0Sstevel@tonic-gate { 888*0Sstevel@tonic-gate int b; 889*0Sstevel@tonic-gate 890*0Sstevel@tonic-gate if (argc < 2) { 891*0Sstevel@tonic-gate if (prompt_for_arg(line, sizeof (line), "value") == -1) 892*0Sstevel@tonic-gate return; 893*0Sstevel@tonic-gate makeargv(&argc, &argv); 894*0Sstevel@tonic-gate } 895*0Sstevel@tonic-gate if (argc != 2) { 896*0Sstevel@tonic-gate (void) fprintf(stderr, "usage: %s value\n", argv[0]); 897*0Sstevel@tonic-gate return; 898*0Sstevel@tonic-gate } 899*0Sstevel@tonic-gate b = atoi(argv[1]); 900*0Sstevel@tonic-gate 901*0Sstevel@tonic-gate /* RFC 2348 specifies valid blksize range, allow 0 to turn option off */ 902*0Sstevel@tonic-gate if ((b < MIN_BLKSIZE || b > MAX_BLKSIZE) && b != 0) 903*0Sstevel@tonic-gate (void) fprintf(stderr, "%s: bad value\n", argv[1]); 904*0Sstevel@tonic-gate else 905*0Sstevel@tonic-gate blksize = b; 906*0Sstevel@tonic-gate } 907*0Sstevel@tonic-gate 908*0Sstevel@tonic-gate static void 909*0Sstevel@tonic-gate setsrexmt(int argc, char **argv) 910*0Sstevel@tonic-gate { 911*0Sstevel@tonic-gate int t; 912*0Sstevel@tonic-gate 913*0Sstevel@tonic-gate if (argc < 2) { 914*0Sstevel@tonic-gate if (prompt_for_arg(line, sizeof (line), "value") == -1) 915*0Sstevel@tonic-gate return; 916*0Sstevel@tonic-gate makeargv(&argc, &argv); 917*0Sstevel@tonic-gate } 918*0Sstevel@tonic-gate if (argc != 2) { 919*0Sstevel@tonic-gate (void) fprintf(stderr, "usage: %s value\n", argv[0]); 920*0Sstevel@tonic-gate return; 921*0Sstevel@tonic-gate } 922*0Sstevel@tonic-gate t = atoi(argv[1]); 923*0Sstevel@tonic-gate 924*0Sstevel@tonic-gate /* RFC 2349 specifies valid timeout range, allow 0 to turn option off */ 925*0Sstevel@tonic-gate if ((t < MIN_TIMEOUT || t > MAX_TIMEOUT) && t != 0) 926*0Sstevel@tonic-gate (void) fprintf(stderr, "%s: bad value\n", argv[1]); 927*0Sstevel@tonic-gate else 928*0Sstevel@tonic-gate srexmtval = t; 929*0Sstevel@tonic-gate } 930*0Sstevel@tonic-gate 931*0Sstevel@tonic-gate static void 932*0Sstevel@tonic-gate settsize(int argc, char **argv) 933*0Sstevel@tonic-gate { 934*0Sstevel@tonic-gate if (argc != 1) { 935*0Sstevel@tonic-gate (void) fprintf(stderr, "usage: %s\n", argv[0]); 936*0Sstevel@tonic-gate return; 937*0Sstevel@tonic-gate } 938*0Sstevel@tonic-gate tsize_opt = !tsize_opt; 939*0Sstevel@tonic-gate (void) printf("Transfer size option %s.\n", tsize_opt ? "on" : "off"); 940*0Sstevel@tonic-gate } 941