1 static char *sccsid = "@(#)whereis.c 4.7 (Berkeley) 10/24/82"; 2 3 #include <sys/param.h> 4 #include <stdio.h> 5 #include <ctype.h> 6 #include <dir.h> 7 8 static char *bindirs[] = { 9 "/etc", 10 "/bin", 11 "/usr/bin", 12 "/usr/games", 13 "/lib", 14 "/usr/ucb", 15 "/usr/lib", 16 "/usr/local", 17 "/usr/new", 18 "/usr/old", 19 "/usr/hosts", 20 0 21 }; 22 static char *mandirs[] = { 23 "/usr/man/man1", 24 "/usr/man/man2", 25 "/usr/man/man3", 26 "/usr/man/man4", 27 "/usr/man/man5", 28 "/usr/man/man6", 29 "/usr/man/man7", 30 "/usr/man/man8", 31 0 32 }; 33 static char *srcdirs[] = { 34 "/usr/src/etc", 35 "/usr/src/bin", 36 "/usr/src/usr.bin", 37 "/usr/src/games", 38 "/usr/src/lib", 39 "/usr/src/lib/libc/gen", 40 "/usr/src/lib/libc/stdio", 41 "/usr/src/lib/libc/sys", 42 "/usr/src/ucb", 43 "/usr/src/ucb/netser", 44 "/usr/src/ucb/arpanet", 45 "/usr/src/usr.lib", 46 "/usr/src/local", 47 "/usr/src/new", 48 "/usr/src/old", 49 "/usr/src/undoc", 50 0 51 }; 52 53 char sflag = 1; 54 char bflag = 1; 55 char mflag = 1; 56 char **Sflag; 57 int Scnt; 58 char **Bflag; 59 int Bcnt; 60 char **Mflag; 61 int Mcnt; 62 char uflag; 63 /* 64 * whereis name 65 * look for source, documentation and binaries 66 */ 67 main(argc, argv) 68 int argc; 69 char *argv[]; 70 { 71 72 #ifdef CORY 73 if (getuid() == 0) 74 nice(-20); 75 if (((getuid() >> 8) & 0377) > 10) 76 setuid(getuid()); 77 #endif 78 argc--, argv++; 79 if (argc == 0) { 80 usage: 81 fprintf(stderr, "whereis [ -sbmu ] [ -SBM dir ... -f ] name...\n"); 82 exit(1); 83 } 84 do 85 if (argv[0][0] == '-') { 86 register char *cp = argv[0] + 1; 87 while (*cp) switch (*cp++) { 88 89 case 'f': 90 break; 91 92 case 'S': 93 getlist(&argc, &argv, &Sflag, &Scnt); 94 break; 95 96 case 'B': 97 getlist(&argc, &argv, &Bflag, &Bcnt); 98 break; 99 100 case 'M': 101 getlist(&argc, &argv, &Mflag, &Mcnt); 102 break; 103 104 case 's': 105 zerof(); 106 sflag++; 107 continue; 108 109 case 'u': 110 uflag++; 111 continue; 112 113 case 'b': 114 zerof(); 115 bflag++; 116 continue; 117 118 case 'm': 119 zerof(); 120 mflag++; 121 continue; 122 123 default: 124 goto usage; 125 } 126 argv++; 127 } else 128 lookup(*argv++); 129 while (--argc > 0); 130 } 131 132 getlist(argcp, argvp, flagp, cntp) 133 char ***argvp; 134 int *argcp; 135 char ***flagp; 136 int *cntp; 137 { 138 139 (*argvp)++; 140 *flagp = *argvp; 141 *cntp = 0; 142 for ((*argcp)--; *argcp > 0 && (*argvp)[0][0] != '-'; (*argcp)--) 143 (*cntp)++, (*argvp)++; 144 (*argcp)++; 145 (*argvp)--; 146 } 147 148 149 zerof() 150 { 151 152 if (sflag && bflag && mflag) 153 sflag = bflag = mflag = 0; 154 } 155 int count; 156 int print; 157 158 159 lookup(cp) 160 register char *cp; 161 { 162 register char *dp; 163 164 for (dp = cp; *dp; dp++) 165 continue; 166 for (; dp > cp; dp--) { 167 if (*dp == '.') { 168 *dp = 0; 169 break; 170 } 171 } 172 for (dp = cp; *dp; dp++) 173 if (*dp == '/') 174 cp = dp + 1; 175 if (uflag) { 176 print = 0; 177 count = 0; 178 } else 179 print = 1; 180 again: 181 if (print) 182 printf("%s:", cp); 183 if (sflag) { 184 looksrc(cp); 185 if (uflag && print == 0 && count != 1) { 186 print = 1; 187 goto again; 188 } 189 } 190 count = 0; 191 if (bflag) { 192 lookbin(cp); 193 if (uflag && print == 0 && count != 1) { 194 print = 1; 195 goto again; 196 } 197 } 198 count = 0; 199 if (mflag) { 200 lookman(cp); 201 if (uflag && print == 0 && count != 1) { 202 print = 1; 203 goto again; 204 } 205 } 206 if (print) 207 printf("\n"); 208 } 209 210 looksrc(cp) 211 char *cp; 212 { 213 if (Sflag == 0) { 214 find(srcdirs, cp); 215 } else 216 findv(Sflag, Scnt, cp); 217 } 218 219 lookbin(cp) 220 char *cp; 221 { 222 if (Bflag == 0) 223 find(bindirs, cp); 224 else 225 findv(Bflag, Bcnt, cp); 226 } 227 228 lookman(cp) 229 char *cp; 230 { 231 if (Mflag == 0) { 232 find(mandirs, cp); 233 } else 234 findv(Mflag, Mcnt, cp); 235 } 236 237 findv(dirv, dirc, cp) 238 char **dirv; 239 int dirc; 240 char *cp; 241 { 242 243 while (dirc > 0) 244 findin(*dirv++, cp), dirc--; 245 } 246 247 find(dirs, cp) 248 char **dirs; 249 char *cp; 250 { 251 252 while (*dirs) 253 findin(*dirs++, cp); 254 } 255 256 findin(dir, cp) 257 char *dir, *cp; 258 { 259 DIR *dirp; 260 struct direct *dp; 261 262 dirp = opendir(dir); 263 if (dirp == NULL) 264 return; 265 while ((dp = readdir(dirp)) != NULL) { 266 if (itsit(cp, dp->d_name)) { 267 count++; 268 if (print) 269 printf(" %s/%.14s", dir, dp->d_name); 270 } 271 } 272 closedir(dirp); 273 } 274 275 itsit(cp, dp) 276 register char *cp, *dp; 277 { 278 register int i = 14; 279 280 if (dp[0] == 's' && dp[1] == '.' && itsit(cp, dp+2)) 281 return (1); 282 while (*cp && *dp && *cp == *dp) 283 cp++, dp++, i--; 284 if (*cp == 0 && *dp == 0) 285 return (1); 286 while (isdigit(*dp)) 287 dp++; 288 if (*cp == 0 && *dp++ == '.') { 289 --i; 290 while (i > 0 && *dp) 291 if (--i, *dp++ == '.') 292 return (*dp++ == 'C' && *dp++ == 0); 293 return (1); 294 } 295 return (0); 296 } 297