main.c (81220) | main.c (90109) |
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1/* main.c: This file contains the main control and user-interface routines 2 for the ed line editor. */ 3/*- 4 * Copyright (c) 1993 Andrew Moore, Talke Studio. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 20 unchanged lines hidden (view full) --- 29#ifndef lint 30static const char copyright[] = 31"@(#) Copyright (c) 1993 Andrew Moore, Talke Studio. \n\ 32 All rights reserved.\n"; 33#endif /* not lint */ 34 35#ifndef lint 36static const char rcsid[] = | 1/* main.c: This file contains the main control and user-interface routines 2 for the ed line editor. */ 3/*- 4 * Copyright (c) 1993 Andrew Moore, Talke Studio. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 20 unchanged lines hidden (view full) --- 29#ifndef lint 30static const char copyright[] = 31"@(#) Copyright (c) 1993 Andrew Moore, Talke Studio. \n\ 32 All rights reserved.\n"; 33#endif /* not lint */ 34 35#ifndef lint 36static const char rcsid[] = |
37 "$FreeBSD: head/bin/ed/main.c 81220 2001-08-06 22:01:31Z mike $"; | 37 "$FreeBSD: head/bin/ed/main.c 90109 2002-02-02 06:36:49Z imp $"; |
38#endif /* not lint */ 39 40/* 41 * CREDITS 42 * 43 * This program is based on the editor algorithm described in 44 * Brian W. Kernighan and P. J. Plauger's book "Software Tools 45 * in Pascal," Addison-Wesley, 1981. --- 52 unchanged lines hidden (view full) --- 98int lineno; /* script line number */ 99const char *prompt; /* command-line prompt */ 100const char *dps = "*"; /* default command-line prompt */ 101 102const char usage[] = "usage: %s [-] [-sx] [-p string] [name]\n"; 103 104/* ed: line editor */ 105int | 38#endif /* not lint */ 39 40/* 41 * CREDITS 42 * 43 * This program is based on the editor algorithm described in 44 * Brian W. Kernighan and P. J. Plauger's book "Software Tools 45 * in Pascal," Addison-Wesley, 1981. --- 52 unchanged lines hidden (view full) --- 98int lineno; /* script line number */ 99const char *prompt; /* command-line prompt */ 100const char *dps = "*"; /* default command-line prompt */ 101 102const char usage[] = "usage: %s [-] [-sx] [-p string] [name]\n"; 103 104/* ed: line editor */ 105int |
106main(argc, argv) 107 int argc; 108 char **argv; | 106main(int argc, char *argv[]) |
109{ 110 int c, n; 111 long status = 0; 112#if __GNUC__ 113 /* Avoid longjmp clobbering */ 114 (void) &argc; 115 (void) &argv; 116#endif --- 144 unchanged lines hidden (view full) --- 261 /*NOTREACHED*/ 262} 263 264long first_addr, second_addr, addr_cnt; 265 266/* extract_addr_range: get line addresses from the command buffer until an 267 illegal address is seen; return status */ 268int | 107{ 108 int c, n; 109 long status = 0; 110#if __GNUC__ 111 /* Avoid longjmp clobbering */ 112 (void) &argc; 113 (void) &argv; 114#endif --- 144 unchanged lines hidden (view full) --- 259 /*NOTREACHED*/ 260} 261 262long first_addr, second_addr, addr_cnt; 263 264/* extract_addr_range: get line addresses from the command buffer until an 265 illegal address is seen; return status */ 266int |
269extract_addr_range() | 267extract_addr_range(void) |
270{ 271 long addr; 272 273 addr_cnt = 0; 274 first_addr = second_addr = current_addr; 275 while ((addr = next_addr()) >= 0) { 276 addr_cnt++; 277 first_addr = second_addr; --- 15 unchanged lines hidden (view full) --- 293 if (!first) { \ 294 errmsg = "invalid address"; \ 295 return ERR; \ 296 } \ 297} while (0); 298 299/* next_addr: return the next line address in the command buffer */ 300long | 268{ 269 long addr; 270 271 addr_cnt = 0; 272 first_addr = second_addr = current_addr; 273 while ((addr = next_addr()) >= 0) { 274 addr_cnt++; 275 first_addr = second_addr; --- 15 unchanged lines hidden (view full) --- 291 if (!first) { \ 292 errmsg = "invalid address"; \ 293 return ERR; \ 294 } \ 295} while (0); 296 297/* next_addr: return the next line address in the command buffer */ 298long |
301next_addr() | 299next_addr(void) |
302{ 303 const char *hd; 304 long addr = current_addr; 305 long n; 306 int first = 1; 307 int c; 308 309 SKIP_BLANKS(); --- 134 unchanged lines hidden (view full) --- 444 445int patlock = 0; /* if set, pattern not freed by get_compiled_pattern() */ 446 447long rows = 22; /* scroll length: ws_row - 2 */ 448 449/* exec_command: execute the next command in command buffer; return print 450 request, if any */ 451int | 300{ 301 const char *hd; 302 long addr = current_addr; 303 long n; 304 int first = 1; 305 int c; 306 307 SKIP_BLANKS(); --- 134 unchanged lines hidden (view full) --- 442 443int patlock = 0; /* if set, pattern not freed by get_compiled_pattern() */ 444 445long rows = 22; /* scroll length: ws_row - 2 */ 446 447/* exec_command: execute the next command in command buffer; return print 448 request, if any */ 449int |
452exec_command() | 450exec_command(void) |
453{ 454 extern long u_current_addr; 455 extern long u_addr_last; 456 457 static pattern_t *pat = NULL; 458 static int sgflag = 0; 459 static long sgnum = 0; 460 --- 417 unchanged lines hidden (view full) --- 878 return ERR; 879 } 880 return gflag; 881} 882 883 884/* check_addr_range: return status of address range check */ 885int | 451{ 452 extern long u_current_addr; 453 extern long u_addr_last; 454 455 static pattern_t *pat = NULL; 456 static int sgflag = 0; 457 static long sgnum = 0; 458 --- 417 unchanged lines hidden (view full) --- 876 return ERR; 877 } 878 return gflag; 879} 880 881 882/* check_addr_range: return status of address range check */ 883int |
886check_addr_range(n, m) 887 long n, m; | 884check_addr_range(long n, long m) |
888{ 889 if (addr_cnt == 0) { 890 first_addr = n; 891 second_addr = m; 892 } 893 if (first_addr > second_addr || 1 > first_addr || 894 second_addr > addr_last) { 895 errmsg = "invalid address"; 896 return ERR; 897 } 898 return 0; 899} 900 901 902/* get_matching_node_addr: return the address of the next line matching a 903 pattern in a given direction. wrap around begin/end of editor buffer if 904 necessary */ 905long | 885{ 886 if (addr_cnt == 0) { 887 first_addr = n; 888 second_addr = m; 889 } 890 if (first_addr > second_addr || 1 > first_addr || 891 second_addr > addr_last) { 892 errmsg = "invalid address"; 893 return ERR; 894 } 895 return 0; 896} 897 898 899/* get_matching_node_addr: return the address of the next line matching a 900 pattern in a given direction. wrap around begin/end of editor buffer if 901 necessary */ 902long |
906get_matching_node_addr(pat, dir) 907 pattern_t *pat; 908 int dir; | 903get_matching_node_addr(pattern_t *pat, int dir) |
909{ 910 char *s; 911 long n = current_addr; 912 line_t *lp; 913 914 if (!pat) return ERR; 915 do { 916 if ((n = dir ? INC_MOD(n, addr_last) : DEC_MOD(n, addr_last))) { --- 8 unchanged lines hidden (view full) --- 925 } while (n != current_addr); 926 errmsg = "no match"; 927 return ERR; 928} 929 930 931/* get_filename: return pointer to copy of filename in the command buffer */ 932char * | 904{ 905 char *s; 906 long n = current_addr; 907 line_t *lp; 908 909 if (!pat) return ERR; 910 do { 911 if ((n = dir ? INC_MOD(n, addr_last) : DEC_MOD(n, addr_last))) { --- 8 unchanged lines hidden (view full) --- 920 } while (n != current_addr); 921 errmsg = "no match"; 922 return ERR; 923} 924 925 926/* get_filename: return pointer to copy of filename in the command buffer */ 927char * |
933get_filename() | 928get_filename(void) |
934{ 935 static char *file = NULL; 936 static int filesz = 0; 937 938 int n; 939 940 if (*ibufp != '\n') { 941 SKIP_BLANKS(); --- 26 unchanged lines hidden (view full) --- 968 file[n] = '\0'; 969 return is_legal_filename(file) ? file : NULL; 970} 971 972 973/* get_shell_command: read a shell command from stdin; return substitution 974 status */ 975int | 929{ 930 static char *file = NULL; 931 static int filesz = 0; 932 933 int n; 934 935 if (*ibufp != '\n') { 936 SKIP_BLANKS(); --- 26 unchanged lines hidden (view full) --- 963 file[n] = '\0'; 964 return is_legal_filename(file) ? file : NULL; 965} 966 967 968/* get_shell_command: read a shell command from stdin; return substitution 969 status */ 970int |
976get_shell_command() | 971get_shell_command(void) |
977{ 978 static char *buf = NULL; 979 static int n = 0; 980 981 char *s; /* substitution char pointer */ 982 int i = 0; 983 int j = 0; 984 --- 49 unchanged lines hidden (view full) --- 1034 shcmd[shcmdi = i] = '\0'; 1035 return *s == '!' || *s == '%'; 1036} 1037 1038 1039/* append_lines: insert text from stdin to after line n; stop when either a 1040 single period is read or EOF; return status */ 1041int | 972{ 973 static char *buf = NULL; 974 static int n = 0; 975 976 char *s; /* substitution char pointer */ 977 int i = 0; 978 int j = 0; 979 --- 49 unchanged lines hidden (view full) --- 1029 shcmd[shcmdi = i] = '\0'; 1030 return *s == '!' || *s == '%'; 1031} 1032 1033 1034/* append_lines: insert text from stdin to after line n; stop when either a 1035 single period is read or EOF; return status */ 1036int |
1042append_lines(n) 1043 long n; | 1037append_lines(long n) |
1044{ 1045 int l; 1046 const char *lp = ibuf; 1047 const char *eot; 1048 undo_t *up = NULL; 1049 1050 for (current_addr = n;;) { 1051 if (!isglobal) { --- 32 unchanged lines hidden (view full) --- 1084 SPL0(); 1085 } 1086 /* NOTREACHED */ 1087} 1088 1089 1090/* join_lines: replace a range of lines with the joined text of those lines */ 1091int | 1038{ 1039 int l; 1040 const char *lp = ibuf; 1041 const char *eot; 1042 undo_t *up = NULL; 1043 1044 for (current_addr = n;;) { 1045 if (!isglobal) { --- 32 unchanged lines hidden (view full) --- 1078 SPL0(); 1079 } 1080 /* NOTREACHED */ 1081} 1082 1083 1084/* join_lines: replace a range of lines with the joined text of those lines */ 1085int |
1092join_lines(from, to) 1093 long from; 1094 long to; | 1086join_lines(long from, long to) |
1095{ 1096 static char *buf = NULL; 1097 static int n; 1098 1099 char *s; 1100 int size = 0; 1101 line_t *bp, *ep; 1102 --- 20 unchanged lines hidden (view full) --- 1123 modified = 1; 1124 SPL0(); 1125 return 0; 1126} 1127 1128 1129/* move_lines: move a range of lines */ 1130int | 1087{ 1088 static char *buf = NULL; 1089 static int n; 1090 1091 char *s; 1092 int size = 0; 1093 line_t *bp, *ep; 1094 --- 20 unchanged lines hidden (view full) --- 1115 modified = 1; 1116 SPL0(); 1117 return 0; 1118} 1119 1120 1121/* move_lines: move a range of lines */ 1122int |
1131move_lines(addr) 1132 long addr; | 1123move_lines(long addr) |
1133{ 1134 line_t *b1, *a1, *b2, *a2; 1135 long n = INC_MOD(second_addr, addr_last); 1136 long p = first_addr - 1; 1137 int done = (addr == first_addr - 1 || addr == second_addr); 1138 1139 SPL1(); 1140 if (done) { --- 27 unchanged lines hidden (view full) --- 1168 modified = 1; 1169 SPL0(); 1170 return 0; 1171} 1172 1173 1174/* copy_lines: copy a range of lines; return status */ 1175int | 1124{ 1125 line_t *b1, *a1, *b2, *a2; 1126 long n = INC_MOD(second_addr, addr_last); 1127 long p = first_addr - 1; 1128 int done = (addr == first_addr - 1 || addr == second_addr); 1129 1130 SPL1(); 1131 if (done) { --- 27 unchanged lines hidden (view full) --- 1159 modified = 1; 1160 SPL0(); 1161 return 0; 1162} 1163 1164 1165/* copy_lines: copy a range of lines; return status */ 1166int |
1176copy_lines(addr) 1177 long addr; | 1167copy_lines(long addr) |
1178{ 1179 line_t *lp, *np = get_addressed_line_node(first_addr); 1180 undo_t *up = NULL; 1181 long n = second_addr - first_addr + 1; 1182 long m = 0; 1183 1184 current_addr = addr; 1185 if (first_addr <= addr && addr < second_addr) { --- 19 unchanged lines hidden (view full) --- 1205 SPL0(); 1206 } 1207 return 0; 1208} 1209 1210 1211/* delete_lines: delete a range of lines */ 1212int | 1168{ 1169 line_t *lp, *np = get_addressed_line_node(first_addr); 1170 undo_t *up = NULL; 1171 long n = second_addr - first_addr + 1; 1172 long m = 0; 1173 1174 current_addr = addr; 1175 if (first_addr <= addr && addr < second_addr) { --- 19 unchanged lines hidden (view full) --- 1195 SPL0(); 1196 } 1197 return 0; 1198} 1199 1200 1201/* delete_lines: delete a range of lines */ 1202int |
1213delete_lines(from, to) 1214 long from, to; | 1203delete_lines(long from, long to) |
1215{ 1216 line_t *n, *p; 1217 1218 SPL1(); 1219 if (push_undo_stack(UDEL, from, to) == NULL) { 1220 SPL0(); 1221 return ERR; 1222 } --- 8 unchanged lines hidden (view full) --- 1231 modified = 1; 1232 SPL0(); 1233 return 0; 1234} 1235 1236 1237/* display_lines: print a range of lines to stdout */ 1238int | 1204{ 1205 line_t *n, *p; 1206 1207 SPL1(); 1208 if (push_undo_stack(UDEL, from, to) == NULL) { 1209 SPL0(); 1210 return ERR; 1211 } --- 8 unchanged lines hidden (view full) --- 1220 modified = 1; 1221 SPL0(); 1222 return 0; 1223} 1224 1225 1226/* display_lines: print a range of lines to stdout */ 1227int |
1239display_lines(from, to, gflag) 1240 long from; 1241 long to; 1242 int gflag; | 1228display_lines(long from, long to, int gflag) |
1243{ 1244 line_t *bp; 1245 line_t *ep; 1246 char *s; 1247 1248 if (!from) { 1249 errmsg = "invalid address"; 1250 return ERR; --- 12 unchanged lines hidden (view full) --- 1263 1264#define MAXMARK 26 /* max number of marks */ 1265 1266line_t *mark[MAXMARK]; /* line markers */ 1267int markno; /* line marker count */ 1268 1269/* mark_line_node: set a line node mark */ 1270int | 1229{ 1230 line_t *bp; 1231 line_t *ep; 1232 char *s; 1233 1234 if (!from) { 1235 errmsg = "invalid address"; 1236 return ERR; --- 12 unchanged lines hidden (view full) --- 1249 1250#define MAXMARK 26 /* max number of marks */ 1251 1252line_t *mark[MAXMARK]; /* line markers */ 1253int markno; /* line marker count */ 1254 1255/* mark_line_node: set a line node mark */ 1256int |
1271mark_line_node(lp, n) 1272 line_t *lp; 1273 int n; | 1257mark_line_node(line_t *lp, int n) |
1274{ 1275 if (!islower((unsigned char)n)) { 1276 errmsg = "invalid mark character"; 1277 return ERR; 1278 } else if (mark[n - 'a'] == NULL) 1279 markno++; 1280 mark[n - 'a'] = lp; 1281 return 0; 1282} 1283 1284 1285/* get_marked_node_addr: return address of a marked line */ 1286long | 1258{ 1259 if (!islower((unsigned char)n)) { 1260 errmsg = "invalid mark character"; 1261 return ERR; 1262 } else if (mark[n - 'a'] == NULL) 1263 markno++; 1264 mark[n - 'a'] = lp; 1265 return 0; 1266} 1267 1268 1269/* get_marked_node_addr: return address of a marked line */ 1270long |
1287get_marked_node_addr(n) 1288 int n; | 1271get_marked_node_addr(int n) |
1289{ 1290 if (!islower((unsigned char)n)) { 1291 errmsg = "invalid mark character"; 1292 return ERR; 1293 } 1294 return get_line_node_addr(mark[n - 'a']); 1295} 1296 1297 1298/* unmark_line_node: clear line node mark */ 1299void | 1272{ 1273 if (!islower((unsigned char)n)) { 1274 errmsg = "invalid mark character"; 1275 return ERR; 1276 } 1277 return get_line_node_addr(mark[n - 'a']); 1278} 1279 1280 1281/* unmark_line_node: clear line node mark */ 1282void |
1300unmark_line_node(lp) 1301 line_t *lp; | 1283unmark_line_node(line_t *lp) |
1302{ 1303 int i; 1304 1305 for (i = 0; markno && i < MAXMARK; i++) 1306 if (mark[i] == lp) { 1307 mark[i] = NULL; 1308 markno--; 1309 } 1310} 1311 1312 1313/* dup_line_node: return a pointer to a copy of a line node */ 1314line_t * | 1284{ 1285 int i; 1286 1287 for (i = 0; markno && i < MAXMARK; i++) 1288 if (mark[i] == lp) { 1289 mark[i] = NULL; 1290 markno--; 1291 } 1292} 1293 1294 1295/* dup_line_node: return a pointer to a copy of a line node */ 1296line_t * |
1315dup_line_node(lp) 1316 line_t *lp; | 1297dup_line_node(line_t *lp) |
1317{ 1318 line_t *np; 1319 1320 if ((np = (line_t *) malloc(sizeof(line_t))) == NULL) { 1321 fprintf(stderr, "%s\n", strerror(errno)); 1322 errmsg = "out of memory"; 1323 return NULL; 1324 } 1325 np->seek = lp->seek; 1326 np->len = lp->len; 1327 return np; 1328} 1329 1330 1331/* has_trailing_escape: return the parity of escapes preceding a character 1332 in a string */ 1333int | 1298{ 1299 line_t *np; 1300 1301 if ((np = (line_t *) malloc(sizeof(line_t))) == NULL) { 1302 fprintf(stderr, "%s\n", strerror(errno)); 1303 errmsg = "out of memory"; 1304 return NULL; 1305 } 1306 np->seek = lp->seek; 1307 np->len = lp->len; 1308 return np; 1309} 1310 1311 1312/* has_trailing_escape: return the parity of escapes preceding a character 1313 in a string */ 1314int |
1334has_trailing_escape(s, t) 1335 char *s; 1336 char *t; | 1315has_trailing_escape(char *s, char *t) |
1337{ 1338 return (s == t || *(t - 1) != '\\') ? 0 : !has_trailing_escape(s, t - 1); 1339} 1340 1341 1342/* strip_escapes: return copy of escaped string of at most length PATH_MAX */ 1343char * | 1316{ 1317 return (s == t || *(t - 1) != '\\') ? 0 : !has_trailing_escape(s, t - 1); 1318} 1319 1320 1321/* strip_escapes: return copy of escaped string of at most length PATH_MAX */ 1322char * |
1344strip_escapes(s) 1345 char *s; | 1323strip_escapes(char *s) |
1346{ 1347 static char *file = NULL; 1348 static int filesz = 0; 1349 1350 int i = 0; 1351 1352 REALLOC(file, filesz, PATH_MAX, NULL); 1353 while (i < filesz - 1 /* Worry about a possible trailing escape */ 1354 && (file[i++] = (*s == '\\') ? *++s : *s)) 1355 s++; 1356 return file; 1357} 1358 1359 1360void | 1324{ 1325 static char *file = NULL; 1326 static int filesz = 0; 1327 1328 int i = 0; 1329 1330 REALLOC(file, filesz, PATH_MAX, NULL); 1331 while (i < filesz - 1 /* Worry about a possible trailing escape */ 1332 && (file[i++] = (*s == '\\') ? *++s : *s)) 1333 s++; 1334 return file; 1335} 1336 1337 1338void |
1361signal_hup(signo) 1362 int signo; | 1339signal_hup(int signo) |
1363{ 1364 if (mutex) 1365 sigflags |= (1 << (signo - 1)); 1366 else 1367 handle_hup(signo); 1368} 1369 1370 1371void | 1340{ 1341 if (mutex) 1342 sigflags |= (1 << (signo - 1)); 1343 else 1344 handle_hup(signo); 1345} 1346 1347 1348void |
1372signal_int(signo) 1373 int signo; | 1349signal_int(int signo) |
1374{ 1375 if (mutex) 1376 sigflags |= (1 << (signo - 1)); 1377 else 1378 handle_int(signo); 1379} 1380 1381 1382void | 1350{ 1351 if (mutex) 1352 sigflags |= (1 << (signo - 1)); 1353 else 1354 handle_int(signo); 1355} 1356 1357 1358void |
1383handle_hup(signo) 1384 int signo; | 1359handle_hup(int signo) |
1385{ 1386 char *hup = NULL; /* hup filename */ 1387 char *s; 1388 char ed_hup[] = "ed.hup"; 1389 int n; 1390 1391 if (!sigactive) 1392 quit(1); --- 8 unchanged lines hidden (view full) --- 1401 strcat(hup, "ed.hup"); 1402 write_file(hup, "w", 1, addr_last); 1403 } 1404 quit(2); 1405} 1406 1407 1408void | 1360{ 1361 char *hup = NULL; /* hup filename */ 1362 char *s; 1363 char ed_hup[] = "ed.hup"; 1364 int n; 1365 1366 if (!sigactive) 1367 quit(1); --- 8 unchanged lines hidden (view full) --- 1376 strcat(hup, "ed.hup"); 1377 write_file(hup, "w", 1, addr_last); 1378 } 1379 quit(2); 1380} 1381 1382 1383void |
1409handle_int(signo) 1410 int signo; | 1384handle_int(int signo) |
1411{ 1412 if (!sigactive) 1413 quit(1); 1414 sigflags &= ~(1 << (signo - 1)); 1415#ifdef _POSIX_SOURCE 1416 siglongjmp(env, -1); 1417#else 1418 longjmp(env, -1); 1419#endif 1420} 1421 1422 1423int cols = 72; /* wrap column */ 1424 1425void | 1385{ 1386 if (!sigactive) 1387 quit(1); 1388 sigflags &= ~(1 << (signo - 1)); 1389#ifdef _POSIX_SOURCE 1390 siglongjmp(env, -1); 1391#else 1392 longjmp(env, -1); 1393#endif 1394} 1395 1396 1397int cols = 72; /* wrap column */ 1398 1399void |
1426handle_winch(signo) 1427 int signo; | 1400handle_winch(int signo) |
1428{ 1429 int save_errno = errno; 1430 1431 struct winsize ws; /* window size structure */ 1432 1433 sigflags &= ~(1 << (signo - 1)); 1434 if (ioctl(0, TIOCGWINSZ, (char *) &ws) >= 0) { 1435 if (ws.ws_row > 2) rows = ws.ws_row - 2; 1436 if (ws.ws_col > 8) cols = ws.ws_col - 8; 1437 } 1438 errno = save_errno; 1439} 1440 1441 1442/* is_legal_filename: return a legal filename */ 1443int | 1401{ 1402 int save_errno = errno; 1403 1404 struct winsize ws; /* window size structure */ 1405 1406 sigflags &= ~(1 << (signo - 1)); 1407 if (ioctl(0, TIOCGWINSZ, (char *) &ws) >= 0) { 1408 if (ws.ws_row > 2) rows = ws.ws_row - 2; 1409 if (ws.ws_col > 8) cols = ws.ws_col - 8; 1410 } 1411 errno = save_errno; 1412} 1413 1414 1415/* is_legal_filename: return a legal filename */ 1416int |
1444is_legal_filename(s) 1445 char *s; | 1417is_legal_filename(char *s) |
1446{ 1447 if (red && (*s == '!' || !strcmp(s, "..") || strchr(s, '/'))) { 1448 errmsg = "shell access restricted"; 1449 return 0; 1450 } 1451 return 1; 1452} | 1418{ 1419 if (red && (*s == '!' || !strcmp(s, "..") || strchr(s, '/'))) { 1420 errmsg = "shell access restricted"; 1421 return 0; 1422 } 1423 return 1; 1424} |