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Diffstat (limited to 'usr.bin/yacc/tests/ftp.y')
-rw-r--r-- | usr.bin/yacc/tests/ftp.y | 1228 |
1 files changed, 0 insertions, 1228 deletions
diff --git a/usr.bin/yacc/tests/ftp.y b/usr.bin/yacc/tests/ftp.y deleted file mode 100644 index 42c210b..0000000 --- a/usr.bin/yacc/tests/ftp.y +++ /dev/null @@ -1,1228 +0,0 @@ -/* - * Copyright (c) 1985, 1988 Regents of the University of California. - * All rights reserved. - * - * Redistribution and use in source and binary forms are permitted - * provided that the above copyright notice and this paragraph are - * duplicated in all such forms and that any documentation, - * advertising materials, and other materials related to such - * distribution and use acknowledge that the software was developed - * by the University of California, Berkeley. The name of the - * University may not be used to endorse or promote products derived - * from this software without specific prior written permission. - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - * - * @(#)ftpcmd.y 5.20.1.1 (Berkeley) 3/2/89 - */ - -/* - * Grammar for FTP commands. - * See RFC 959. - */ - -%{ - -/* sccsid[] = "@(#)ftpcmd.y 5.20.1.1 (Berkeley) 3/2/89"; */ - -#include <sys/param.h> -#include <sys/socket.h> - -#include <netinet/in.h> - -#include <arpa/ftp.h> - -#include <stdlib.h> -#include <unistd.h> -#include <stdio.h> -#include <signal.h> -#include <ctype.h> -#include <pwd.h> -#include <setjmp.h> -#include <syslog.h> -#include <sys/stat.h> -#include <string.h> -#include <time.h> -#include <assert.h> - -#ifdef YYBISON -int yylex(void); -static void yyerror(const char *); -#endif - -extern struct sockaddr_in data_dest; -extern int logged_in; -extern struct passwd *pw; -extern int guest; -extern int logging; -extern int type; -extern int form; -extern int debug; -extern int timeout; -extern int maxtimeout; -extern int pdata; -extern char hostname[], remotehost[]; -extern char proctitle[]; -extern char *globerr; -extern int usedefault; -extern int transflag; -extern char tmpline[]; - -extern char **glob(char *); -extern char *renamefrom(char *); -extern void cwd(const char *); - -extern void dologout(int); -extern void fatal(const char *); -extern void makedir(const char *); -extern void nack(const char *); -extern void pass(const char *); -extern void passive(void); -extern void pwd(void); -extern void removedir(char *); -extern void renamecmd(char *, char *); -extern void retrieve(const char *, const char *); -extern void send_file_list(const char *); -extern void statcmd(void); -extern void statfilecmd(const char *); -extern void store(char *, const char *, int); -extern void user(const char *); - -extern void perror_reply(int, const char *, ...); -extern void reply(int, const char *, ...); -extern void lreply(int, const char *, ...); - -static int cmd_type; -static int cmd_form; -static int cmd_bytesz; -char cbuf[512]; -char *fromname; - -struct tab { - const char *name; - short token; - short state; - short implemented; /* 1 if command is implemented */ - const char *help; -}; - -static char * copy(const char *); - -#ifdef YYBISON -static void sizecmd(char *filename); -static void help(struct tab *ctab, char *s); -struct tab cmdtab[]; -struct tab sitetab[]; -#endif - -static void -yyerror(const char *msg) -{ - perror(msg); -} -%} - -%token - A B C E F I - L N P R S T - - SP CRLF COMMA STRING NUMBER - - USER PASS ACCT REIN QUIT PORT - PASV TYPE STRU MODE RETR STOR - APPE MLFL MAIL MSND MSOM MSAM - MRSQ MRCP ALLO REST RNFR RNTO - ABOR DELE CWD LIST NLST SITE - STAT HELP NOOP MKD RMD PWD - CDUP STOU SMNT SYST SIZE MDTM - - UMASK IDLE CHMOD - - LEXERR - -%start cmd_list - -%% - -cmd_list: /* empty */ - | cmd_list cmd - { - fromname = (char *) 0; - } - | cmd_list rcmd - ; - -cmd: USER SP username CRLF - { - user((char *) $3); - free((char *) $3); - } - | PASS SP password CRLF - { - pass((char *) $3); - free((char *) $3); - } - | PORT SP host_port CRLF - { - usedefault = 0; - if (pdata >= 0) { - (void) close(pdata); - pdata = -1; - } - reply(200, "PORT command successful."); - } - | PASV CRLF - { - passive(); - } - | TYPE SP type_code CRLF - { - switch (cmd_type) { - - case TYPE_A: - if (cmd_form == FORM_N) { - reply(200, "Type set to A."); - type = cmd_type; - form = cmd_form; - } else - reply(504, "Form must be N."); - break; - - case TYPE_E: - reply(504, "Type E not implemented."); - break; - - case TYPE_I: - reply(200, "Type set to I."); - type = cmd_type; - break; - - case TYPE_L: -#if NBBY == 8 - if (cmd_bytesz == 8) { - reply(200, - "Type set to L (byte size 8)."); - type = cmd_type; - } else - reply(504, "Byte size must be 8."); -#else /* NBBY == 8 */ - UNIMPLEMENTED for NBBY != 8 -#endif /* NBBY == 8 */ - } - } - | STRU SP struct_code CRLF - { - switch ($3) { - - case STRU_F: - reply(200, "STRU F ok."); - break; - - default: - reply(504, "Unimplemented STRU type."); - } - } - | MODE SP mode_code CRLF - { - switch ($3) { - - case MODE_S: - reply(200, "MODE S ok."); - break; - - default: - reply(502, "Unimplemented MODE type."); - } - } - | ALLO SP NUMBER CRLF - { - reply(202, "ALLO command ignored."); - } - | ALLO SP NUMBER SP R SP NUMBER CRLF - { - reply(202, "ALLO command ignored."); - } - | RETR check_login SP pathname CRLF - { - if ($2 && $4 != 0) - retrieve((char *) 0, (char *) $4); - if ($4 != 0) - free((char *) $4); - } - | STOR check_login SP pathname CRLF - { - if ($2 && $4 != 0) - store((char *) $4, "w", 0); - if ($4 != 0) - free((char *) $4); - } - | APPE check_login SP pathname CRLF - { - if ($2 && $4 != 0) - store((char *) $4, "a", 0); - if ($4 != 0) - free((char *) $4); - } - | NLST check_login CRLF - { - if ($2) - send_file_list("."); - } - | NLST check_login SP STRING CRLF - { - if ($2 && $4 != 0) - send_file_list((char *) $4); - if ($4 != 0) - free((char *) $4); - } - | LIST check_login CRLF - { - if ($2) - retrieve("/bin/ls -lgA", ""); - } - | LIST check_login SP pathname CRLF - { - if ($2 && $4 != 0) - retrieve("/bin/ls -lgA %s", (char *) $4); - if ($4 != 0) - free((char *) $4); - } - | STAT check_login SP pathname CRLF - { - if ($2 && $4 != 0) - statfilecmd((char *) $4); - if ($4 != 0) - free((char *) $4); - } - | STAT CRLF - { - statcmd(); - } - | DELE check_login SP pathname CRLF - { - if ($2 && $4 != 0) - remove((char *) $4); - if ($4 != 0) - free((char *) $4); - } - | RNTO SP pathname CRLF - { - if (fromname) { - renamecmd(fromname, (char *) $3); - free(fromname); - fromname = (char *) 0; - } else { - reply(503, "Bad sequence of commands."); - } - free((char *) $3); - } - | ABOR CRLF - { - reply(225, "ABOR command successful."); - } - | CWD check_login CRLF - { - if ($2) - cwd(pw->pw_dir); - } - | CWD check_login SP pathname CRLF - { - if ($2 && $4 != 0) - cwd((char *) $4); - if ($4 != 0) - free((char *) $4); - } - | HELP CRLF - { - help(cmdtab, (char *) 0); - } - | HELP SP STRING CRLF - { - register char *cp = (char *)$3; - - if (strncasecmp(cp, "SITE", 4) == 0) { - cp = (char *)$3 + 4; - if (*cp == ' ') - cp++; - if (*cp) - help(sitetab, cp); - else - help(sitetab, (char *) 0); - } else - help(cmdtab, (char *) $3); - } - | NOOP CRLF - { - reply(200, "NOOP command successful."); - } - | MKD check_login SP pathname CRLF - { - if ($2 && $4 != 0) - makedir((char *) $4); - if ($4 != 0) - free((char *) $4); - } - | RMD check_login SP pathname CRLF - { - if ($2 && $4 != 0) - removedir((char *) $4); - if ($4 != 0) - free((char *) $4); - } - | PWD check_login CRLF - { - if ($2) - pwd(); - } - | CDUP check_login CRLF - { - if ($2) - cwd(".."); - } - | SITE SP HELP CRLF - { - help(sitetab, (char *) 0); - } - | SITE SP HELP SP STRING CRLF - { - help(sitetab, (char *) $5); - } - | SITE SP UMASK check_login CRLF - { - int oldmask; - - if ($4) { - oldmask = umask(0); - (void) umask(oldmask); - reply(200, "Current UMASK is %03o", oldmask); - } - } - | SITE SP UMASK check_login SP octal_number CRLF - { - int oldmask; - - if ($4) { - if (($6 == -1) || ($6 > 0777)) { - reply(501, "Bad UMASK value"); - } else { - oldmask = umask($6); - reply(200, - "UMASK set to %03o (was %03o)", - $6, oldmask); - } - } - } - | SITE SP CHMOD check_login SP octal_number SP pathname CRLF - { - if ($4 && ($8 != 0)) { - if ($6 > 0777) - reply(501, - "CHMOD: Mode value must be between 0 and 0777"); - else if (chmod((char *) $8, $6) < 0) - perror_reply(550, (char *) $8); - else - reply(200, "CHMOD command successful."); - } - if ($8 != 0) - free((char *) $8); - } - | SITE SP IDLE CRLF - { - reply(200, - "Current IDLE time limit is %d seconds; max %d", - timeout, maxtimeout); - } - | SITE SP IDLE SP NUMBER CRLF - { - if ($5 < 30 || $5 > maxtimeout) { - reply(501, - "Maximum IDLE time must be between 30 and %d seconds", - maxtimeout); - } else { - timeout = $5; - (void) alarm((unsigned) timeout); - reply(200, - "Maximum IDLE time set to %d seconds", - timeout); - } - } - | STOU check_login SP pathname CRLF - { - if ($2 && $4 != 0) - store((char *) $4, "w", 1); - if ($4 != 0) - free((char *) $4); - } - | SYST CRLF - { -#ifdef unix -#ifdef BSD - reply(215, "UNIX Type: L%d Version: BSD-%d", - NBBY, BSD); -#else /* BSD */ - reply(215, "UNIX Type: L%d", NBBY); -#endif /* BSD */ -#else /* unix */ - reply(215, "UNKNOWN Type: L%d", NBBY); -#endif /* unix */ - } - - /* - * SIZE is not in RFC959, but Postel has blessed it and - * it will be in the updated RFC. - * - * Return size of file in a format suitable for - * using with RESTART (we just count bytes). - */ - | SIZE check_login SP pathname CRLF - { - if ($2 && $4 != 0) - sizecmd((char *) $4); - if ($4 != 0) - free((char *) $4); - } - - /* - * MDTM is not in RFC959, but Postel has blessed it and - * it will be in the updated RFC. - * - * Return modification time of file as an ISO 3307 - * style time. E.g. YYYYMMDDHHMMSS or YYYYMMDDHHMMSS.xxx - * where xxx is the fractional second (of any precision, - * not necessarily 3 digits) - */ - | MDTM check_login SP pathname CRLF - { - if ($2 && $4 != 0) { - struct stat stbuf; - if (stat((char *) $4, &stbuf) < 0) - perror_reply(550, "%s", (char *) $4); - else if ((stbuf.st_mode&S_IFMT) != S_IFREG) { - reply(550, "%s: not a plain file.", - (char *) $4); - } else { - register struct tm *t; - t = gmtime(&stbuf.st_mtime); - reply(213, - "%04d%02d%02d%02d%02d%02d", - 1900 + t->tm_year, - t->tm_mon+1, t->tm_mday, - t->tm_hour, t->tm_min, t->tm_sec); - } - } - if ($4 != 0) - free((char *) $4); - } - | QUIT CRLF - { - reply(221, "Goodbye."); - dologout(0); - } - | error CRLF - { - yyerrok; - } - ; -rcmd: RNFR check_login SP pathname CRLF - { - if ($2 && $4) { - fromname = renamefrom((char *) $4); - if (fromname == (char *) 0 && $4) { - free((char *) $4); - } - } - } - ; - -username: STRING - ; - -password: /* empty */ - { - *(const char **)(&($$)) = ""; - } - | STRING - ; - -byte_size: NUMBER - ; - -host_port: NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER COMMA - NUMBER COMMA NUMBER - { - register char *a, *p; - - a = (char *)&data_dest.sin_addr; - a[0] = $1; a[1] = $3; a[2] = $5; a[3] = $7; - p = (char *)&data_dest.sin_port; - p[0] = $9; p[1] = $11; - data_dest.sin_family = AF_INET; - } - ; - -form_code: N - { - $$ = FORM_N; - } - | T - { - $$ = FORM_T; - } - | C - { - $$ = FORM_C; - } - ; - -type_code: A - { - cmd_type = TYPE_A; - cmd_form = FORM_N; - } - | A SP form_code - { - cmd_type = TYPE_A; - cmd_form = $3; - } - | E - { - cmd_type = TYPE_E; - cmd_form = FORM_N; - } - | E SP form_code - { - cmd_type = TYPE_E; - cmd_form = $3; - } - | I - { - cmd_type = TYPE_I; - } - | L - { - cmd_type = TYPE_L; - cmd_bytesz = NBBY; - } - | L SP byte_size - { - cmd_type = TYPE_L; - cmd_bytesz = $3; - } - /* this is for a bug in the BBN ftp */ - | L byte_size - { - cmd_type = TYPE_L; - cmd_bytesz = $2; - } - ; - -struct_code: F - { - $$ = STRU_F; - } - | R - { - $$ = STRU_R; - } - | P - { - $$ = STRU_P; - } - ; - -mode_code: S - { - $$ = MODE_S; - } - | B - { - $$ = MODE_B; - } - | C - { - $$ = MODE_C; - } - ; - -pathname: pathstring - { - /* - * Problem: this production is used for all pathname - * processing, but only gives a 550 error reply. - * This is a valid reply in some cases but not in others. - */ - if (logged_in && $1 && strncmp((char *) $1, "~", 1) == 0) { - *(char **)&($$) = *glob((char *) $1); - if (globerr != 0) { - reply(550, globerr); - $$ = 0; - } - free((char *) $1); - } else - $$ = $1; - } - ; - -pathstring: STRING - ; - -octal_number: NUMBER - { - register int ret, dec, multby, digit; - - /* - * Convert a number that was read as decimal number - * to what it would be if it had been read as octal. - */ - dec = $1; - multby = 1; - ret = 0; - while (dec) { - digit = dec%10; - if (digit > 7) { - ret = -1; - break; - } - ret += digit * multby; - multby *= 8; - dec /= 10; - } - $$ = ret; - } - ; - -check_login: /* empty */ - { - if (logged_in) - $$ = 1; - else { - reply(530, "Please login with USER and PASS."); - $$ = 0; - } - } - ; - -%% - -#ifdef YYBYACC -extern int YYLEX_DECL(); -#endif - -extern jmp_buf errcatch; - -static void upper(char *); - -#define CMD 0 /* beginning of command */ -#define ARGS 1 /* expect miscellaneous arguments */ -#define STR1 2 /* expect SP followed by STRING */ -#define STR2 3 /* expect STRING */ -#define OSTR 4 /* optional SP then STRING */ -#define ZSTR1 5 /* SP then optional STRING */ -#define ZSTR2 6 /* optional STRING after SP */ -#define SITECMD 7 /* SITE command */ -#define NSTR 8 /* Number followed by a string */ - -struct tab cmdtab[] = { /* In order defined in RFC 765 */ - { "USER", USER, STR1, 1, "<sp> username" }, - { "PASS", PASS, ZSTR1, 1, "<sp> password" }, - { "ACCT", ACCT, STR1, 0, "(specify account)" }, - { "SMNT", SMNT, ARGS, 0, "(structure mount)" }, - { "REIN", REIN, ARGS, 0, "(reinitialize server state)" }, - { "QUIT", QUIT, ARGS, 1, "(terminate service)", }, - { "PORT", PORT, ARGS, 1, "<sp> b0, b1, b2, b3, b4" }, - { "PASV", PASV, ARGS, 1, "(set server in passive mode)" }, - { "TYPE", TYPE, ARGS, 1, "<sp> [ A | E | I | L ]" }, - { "STRU", STRU, ARGS, 1, "(specify file structure)" }, - { "MODE", MODE, ARGS, 1, "(specify transfer mode)" }, - { "RETR", RETR, STR1, 1, "<sp> file-name" }, - { "STOR", STOR, STR1, 1, "<sp> file-name" }, - { "APPE", APPE, STR1, 1, "<sp> file-name" }, - { "MLFL", MLFL, OSTR, 0, "(mail file)" }, - { "MAIL", MAIL, OSTR, 0, "(mail to user)" }, - { "MSND", MSND, OSTR, 0, "(mail send to terminal)" }, - { "MSOM", MSOM, OSTR, 0, "(mail send to terminal or mailbox)" }, - { "MSAM", MSAM, OSTR, 0, "(mail send to terminal and mailbox)" }, - { "MRSQ", MRSQ, OSTR, 0, "(mail recipient scheme question)" }, - { "MRCP", MRCP, STR1, 0, "(mail recipient)" }, - { "ALLO", ALLO, ARGS, 1, "allocate storage (vacuously)" }, - { "REST", REST, ARGS, 0, "(restart command)" }, - { "RNFR", RNFR, STR1, 1, "<sp> file-name" }, - { "RNTO", RNTO, STR1, 1, "<sp> file-name" }, - { "ABOR", ABOR, ARGS, 1, "(abort operation)" }, - { "DELE", DELE, STR1, 1, "<sp> file-name" }, - { "CWD", CWD, OSTR, 1, "[ <sp> directory-name ]" }, - { "XCWD", CWD, OSTR, 1, "[ <sp> directory-name ]" }, - { "LIST", LIST, OSTR, 1, "[ <sp> path-name ]" }, - { "NLST", NLST, OSTR, 1, "[ <sp> path-name ]" }, - { "SITE", SITE, SITECMD, 1, "site-cmd [ <sp> arguments ]" }, - { "SYST", SYST, ARGS, 1, "(get type of operating system)" }, - { "STAT", STAT, OSTR, 1, "[ <sp> path-name ]" }, - { "HELP", HELP, OSTR, 1, "[ <sp> <string> ]" }, - { "NOOP", NOOP, ARGS, 1, "" }, - { "MKD", MKD, STR1, 1, "<sp> path-name" }, - { "XMKD", MKD, STR1, 1, "<sp> path-name" }, - { "RMD", RMD, STR1, 1, "<sp> path-name" }, - { "XRMD", RMD, STR1, 1, "<sp> path-name" }, - { "PWD", PWD, ARGS, 1, "(return current directory)" }, - { "XPWD", PWD, ARGS, 1, "(return current directory)" }, - { "CDUP", CDUP, ARGS, 1, "(change to parent directory)" }, - { "XCUP", CDUP, ARGS, 1, "(change to parent directory)" }, - { "STOU", STOU, STR1, 1, "<sp> file-name" }, - { "SIZE", SIZE, OSTR, 1, "<sp> path-name" }, - { "MDTM", MDTM, OSTR, 1, "<sp> path-name" }, - { 0, 0, 0, 0, 0 } -}; - -struct tab sitetab[] = { - { "UMASK", UMASK, ARGS, 1, "[ <sp> umask ]" }, - { "IDLE", IDLE, ARGS, 1, "[ <sp> maximum-idle-time ]" }, - { "CHMOD", CHMOD, NSTR, 1, "<sp> mode <sp> file-name" }, - { "HELP", HELP, OSTR, 1, "[ <sp> <string> ]" }, - { 0, 0, 0, 0, 0 } -}; - -static struct tab * -lookup(struct tab *p, char *cmd) -{ - - for (; p->name != 0; p++) - if (strcmp(cmd, p->name) == 0) - return (p); - return (0); -} - -#include <arpa/telnet.h> - -/* - * get_line - a hacked up version of fgets to ignore TELNET escape codes. - */ -static char * -get_line(char *s, int n, FILE *iop) -{ - register int c; - register char *cs; - - cs = s; -/* tmpline may contain saved command from urgent mode interruption */ - for (c = 0; tmpline[c] != '\0' && --n > 0; ++c) { - *cs++ = tmpline[c]; - if (tmpline[c] == '\n') { - *cs = '\0'; - if (debug) - syslog(LOG_DEBUG, "command: %s", s); - tmpline[0] = '\0'; - return(s); - } - if (c == 0) - tmpline[0] = '\0'; - } - while ((c = getc(iop)) != EOF) { - c &= 0377; - if (c == IAC) { - if ((c = getc(iop)) != EOF) { - c &= 0377; - switch (c) { - case WILL: - case WONT: - c = getc(iop); - printf("%c%c%c", IAC, DONT, 0377&c); - (void) fflush(stdout); - continue; - case DO: - case DONT: - c = getc(iop); - printf("%c%c%c", IAC, WONT, 0377&c); - (void) fflush(stdout); - continue; - case IAC: - break; - default: - continue; /* ignore command */ - } - } - } - *cs++ = c; - if (--n <= 0 || c == '\n') - break; - } - if (c == EOF && cs == s) - return (0); - *cs = '\0'; - if (debug) - syslog(LOG_DEBUG, "command: %s", s); - return (s); -} - -static void -toolong(int sig) -{ - time_t now; - - (void) sig; - reply(421, - "Timeout (%d seconds): closing control connection.", timeout); - (void) time(&now); - if (logging) { - syslog(LOG_INFO, - "User %s timed out after %d seconds at %s", - (pw ? pw -> pw_name : "unknown"), timeout, ctime(&now)); - } - dologout(1); -} - -int -yylex(void) -{ - static int cpos, state; - register char *cp, *cp2; - register struct tab *p; - int n; - char c; - - for (;;) { - switch (state) { - - case CMD: - (void) signal(SIGALRM, toolong); - (void) alarm((unsigned) timeout); - if (get_line(cbuf, sizeof(cbuf)-1, stdin) == 0) { - reply(221, "You could at least say goodbye."); - dologout(0); - } - (void) alarm(0); -#ifdef SETPROCTITLE - if (strncasecmp(cbuf, "PASS", 4) != 0) - setproctitle("%s: %s", proctitle, cbuf); -#endif /* SETPROCTITLE */ - if ((cp = strchr(cbuf, '\r'))) { - *cp++ = '\n'; - *cp = '\0'; - } - if ((cp = strpbrk(cbuf, " \n"))) - cpos = cp - cbuf; - if (cpos == 0) - cpos = 4; - c = cbuf[cpos]; - cbuf[cpos] = '\0'; - upper(cbuf); - p = lookup(cmdtab, cbuf); - cbuf[cpos] = c; - if (p != 0) { - if (p->implemented == 0) { - nack(p->name); - longjmp(errcatch,0); - /* NOTREACHED */ - } - state = p->state; - *(const char **)(&yylval) = p->name; - return (p->token); - } - break; - - case SITECMD: - if (cbuf[cpos] == ' ') { - cpos++; - return (SP); - } - cp = &cbuf[cpos]; - if ((cp2 = strpbrk(cp, " \n"))) - cpos = cp2 - cbuf; - c = cbuf[cpos]; - cbuf[cpos] = '\0'; - upper(cp); - p = lookup(sitetab, cp); - cbuf[cpos] = c; - if (p != 0) { - if (p->implemented == 0) { - state = CMD; - nack(p->name); - longjmp(errcatch,0); - /* NOTREACHED */ - } - state = p->state; - *(const char **)(&yylval) = p->name; - return (p->token); - } - state = CMD; - break; - - case OSTR: - if (cbuf[cpos] == '\n') { - state = CMD; - return (CRLF); - } - /* FALLTHROUGH */ - - case STR1: - case ZSTR1: - dostr1: - if (cbuf[cpos] == ' ') { - cpos++; - if (state == OSTR) - state = STR2; - else - ++state; - return (SP); - } - break; - - case ZSTR2: - if (cbuf[cpos] == '\n') { - state = CMD; - return (CRLF); - } - /* FALLTHROUGH */ - - case STR2: - cp = &cbuf[cpos]; - n = strlen(cp); - cpos += n - 1; - /* - * Make sure the string is nonempty and \n terminated. - */ - if (n > 1 && cbuf[cpos] == '\n') { - cbuf[cpos] = '\0'; - *(char **)&yylval = copy(cp); - cbuf[cpos] = '\n'; - state = ARGS; - return (STRING); - } - break; - - case NSTR: - if (cbuf[cpos] == ' ') { - cpos++; - return (SP); - } - if (isdigit(cbuf[cpos])) { - cp = &cbuf[cpos]; - while (isdigit(cbuf[++cpos])) - ; - c = cbuf[cpos]; - cbuf[cpos] = '\0'; - yylval = atoi(cp); - cbuf[cpos] = c; - state = STR1; - return (NUMBER); - } - state = STR1; - goto dostr1; - - case ARGS: - if (isdigit(cbuf[cpos])) { - cp = &cbuf[cpos]; - while (isdigit(cbuf[++cpos])) - ; - c = cbuf[cpos]; - cbuf[cpos] = '\0'; - yylval = atoi(cp); - cbuf[cpos] = c; - return (NUMBER); - } - switch (cbuf[cpos++]) { - - case '\n': - state = CMD; - return (CRLF); - - case ' ': - return (SP); - - case ',': - return (COMMA); - - case 'A': - case 'a': - return (A); - - case 'B': - case 'b': - return (B); - - case 'C': - case 'c': - return (C); - - case 'E': - case 'e': - return (E); - - case 'F': - case 'f': - return (F); - - case 'I': - case 'i': - return (I); - - case 'L': - case 'l': - return (L); - - case 'N': - case 'n': - return (N); - - case 'P': - case 'p': - return (P); - - case 'R': - case 'r': - return (R); - - case 'S': - case 's': - return (S); - - case 'T': - case 't': - return (T); - - } - break; - - default: - fatal("Unknown state in scanner."); - } - yyerror((char *) 0); - state = CMD; - longjmp(errcatch,0); - } -} - -static void -upper(char *s) -{ - while (*s != '\0') { - if (islower(*s)) - *s = toupper(*s); - s++; - } -} - -static char * -copy(const char *s) -{ - char *p; - - p = (char * )malloc(strlen(s) + 1); - if (p == 0) - fatal("Ran out of memory."); - else - (void) strcpy(p, s); - return (p); -} - -static void -help(struct tab *ctab, char *s) -{ - register struct tab *c; - register int width, NCMDS; - const char *help_type; - - if (ctab == sitetab) - help_type = "SITE "; - else - help_type = ""; - width = 0, NCMDS = 0; - for (c = ctab; c->name != 0; c++) { - int len = strlen(c->name); - - if (len > width) - width = len; - NCMDS++; - } - width = (width + 8) &~ 7; - if (s == 0) { - register int i, j, w; - int columns, lines; - - lreply(214, "The following %scommands are recognized %s.", - help_type, "(* =>'s unimplemented)"); - columns = 76 / width; - if (columns == 0) - columns = 1; - lines = (NCMDS + columns - 1) / columns; - for (i = 0; i < lines; i++) { - printf(" "); - for (j = 0; j < columns; j++) { - c = ctab + j * lines + i; - assert(c->name != 0); - printf("%s%c", c->name, - c->implemented ? ' ' : '*'); - if (c + lines >= &ctab[NCMDS]) - break; - w = strlen(c->name) + 1; - while (w < width) { - putchar(' '); - w++; - } - } - printf("\r\n"); - } - (void) fflush(stdout); - reply(214, "Direct comments to ftp-bugs@%s.", hostname); - return; - } - upper(s); - c = lookup(ctab, s); - if (c == (struct tab *)0) { - reply(502, "Unknown command %s.", s); - return; - } - if (c->implemented) - reply(214, "Syntax: %s%s %s", help_type, c->name, c->help); - else - reply(214, "%s%-*s\t%s; unimplemented.", help_type, width, - c->name, c->help); -} - -static void -sizecmd(char *filename) -{ - switch (type) { - case TYPE_L: - case TYPE_I: { - struct stat stbuf; - if (stat(filename, &stbuf) < 0 || - (stbuf.st_mode&S_IFMT) != S_IFREG) - reply(550, "%s: not a plain file.", filename); - else -#ifdef HAVE_LONG_LONG - reply(213, "%llu", (long long) stbuf.st_size); -#else - reply(213, "%lu", stbuf.st_size); -#endif - break;} - case TYPE_A: { - FILE *fin; - register int c, count; - struct stat stbuf; - fin = fopen(filename, "r"); - if (fin == 0) { - perror_reply(550, filename); - return; - } - if (fstat(fileno(fin), &stbuf) < 0 || - (stbuf.st_mode&S_IFMT) != S_IFREG) { - reply(550, "%s: not a plain file.", filename); - (void) fclose(fin); - return; - } - - count = 0; - while((c=getc(fin)) != EOF) { - if (c == '\n') /* will get expanded to \r\n */ - count++; - count++; - } - (void) fclose(fin); - - reply(213, "%ld", count); - break;} - default: - reply(504, "SIZE not implemented for Type %c.", "?AEIL"[type]); - } -} |