1e97f67f5SJoerg Wunsch /* 2e97f67f5SJoerg Wunsch * Copyright � 2002, J�rg Wunsch 3b78dcb87SJohan Karlsson * 4b78dcb87SJohan Karlsson * Redistribution and use in source and binary forms, with or without 5b78dcb87SJohan Karlsson * modification, are permitted provided that the following conditions 6b78dcb87SJohan Karlsson * are met: 7b78dcb87SJohan Karlsson * 1. Redistributions of source code must retain the above copyright 8b78dcb87SJohan Karlsson * notice, this list of conditions and the following disclaimer. 9b78dcb87SJohan Karlsson * 2. Redistributions in binary form must reproduce the above copyright 10b78dcb87SJohan Karlsson * notice, this list of conditions and the following disclaimer in the 11b78dcb87SJohan Karlsson * documentation and/or other materials provided with the distribution. 12b78dcb87SJohan Karlsson * 13e97f67f5SJoerg Wunsch * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 14e97f67f5SJoerg Wunsch * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15e97f67f5SJoerg Wunsch * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16e97f67f5SJoerg Wunsch * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, 17e97f67f5SJoerg Wunsch * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18e97f67f5SJoerg Wunsch * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 19e97f67f5SJoerg Wunsch * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20e97f67f5SJoerg Wunsch * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 21e97f67f5SJoerg Wunsch * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 22e97f67f5SJoerg Wunsch * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 23e97f67f5SJoerg Wunsch * POSSIBILITY OF SUCH DAMAGE. 24b78dcb87SJohan Karlsson */ 25b78dcb87SJohan Karlsson 26e97f67f5SJoerg Wunsch /* 27e97f67f5SJoerg Wunsch * 4.3BSD UI-compatible whereis(1) utility. Rewritten from scratch 28e97f67f5SJoerg Wunsch * since the original 4.3BSD version suffers legal problems that 29e97f67f5SJoerg Wunsch * prevent it from being redistributed, and since the 4.4BSD version 30e97f67f5SJoerg Wunsch * was pretty inferior in functionality. 31e97f67f5SJoerg Wunsch */ 329d1b456eSJohan Karlsson 33e97f67f5SJoerg Wunsch #include <sys/types.h> 34b78dcb87SJohan Karlsson 35b68725e3SJohan Karlsson __FBSDID("$FreeBSD$"); 36b68725e3SJohan Karlsson 37b78dcb87SJohan Karlsson #include <sys/stat.h> 38b78dcb87SJohan Karlsson #include <sys/sysctl.h> 39b78dcb87SJohan Karlsson 40e97f67f5SJoerg Wunsch #include <dirent.h> 41b78dcb87SJohan Karlsson #include <err.h> 42b78dcb87SJohan Karlsson #include <errno.h> 434ff23965STim J. Robbins #include <locale.h> 44e97f67f5SJoerg Wunsch #include <regex.h> 45b78dcb87SJohan Karlsson #include <stdio.h> 46b78dcb87SJohan Karlsson #include <stdlib.h> 47b78dcb87SJohan Karlsson #include <string.h> 48e97f67f5SJoerg Wunsch #include <sysexits.h> 49b78dcb87SJohan Karlsson #include <unistd.h> 50b78dcb87SJohan Karlsson 51e97f67f5SJoerg Wunsch #include "pathnames.h" 52b78dcb87SJohan Karlsson 531f05bc6cSJohan Karlsson #define NO_BIN_FOUND 1 541f05bc6cSJohan Karlsson #define NO_MAN_FOUND 2 551f05bc6cSJohan Karlsson #define NO_SRC_FOUND 4 561f05bc6cSJohan Karlsson 57e97f67f5SJoerg Wunsch typedef const char *ccharp; 58e97f67f5SJoerg Wunsch 59558b00f5SEd Schouten static int opt_a, opt_b, opt_m, opt_q, opt_s, opt_u, opt_x; 60558b00f5SEd Schouten static ccharp *bindirs, *mandirs, *sourcedirs; 61558b00f5SEd Schouten static char **query; 62e97f67f5SJoerg Wunsch 63558b00f5SEd Schouten static const char *sourcepath = PATH_SOURCES; 64e97f67f5SJoerg Wunsch 65558b00f5SEd Schouten static char *colonify(ccharp *); 66558b00f5SEd Schouten static int contains(ccharp *, const char *); 67558b00f5SEd Schouten static void decolonify(char *, ccharp **, int *); 68558b00f5SEd Schouten static void defaults(void); 69558b00f5SEd Schouten static void scanopts(int, char **); 70558b00f5SEd Schouten static void usage(void); 71e97f67f5SJoerg Wunsch 72e97f67f5SJoerg Wunsch /* 73e97f67f5SJoerg Wunsch * Throughout this program, a number of strings are dynamically 74e97f67f5SJoerg Wunsch * allocated but never freed. Their memory is written to when 75e97f67f5SJoerg Wunsch * splitting the strings into string lists which will later be 76e97f67f5SJoerg Wunsch * processed. Since it's important that those string lists remain 77e97f67f5SJoerg Wunsch * valid even after the functions allocating the memory returned, 78e97f67f5SJoerg Wunsch * those functions cannot free them. They could be freed only at end 79e97f67f5SJoerg Wunsch * of main(), which is pretty pointless anyway. 80e97f67f5SJoerg Wunsch * 81e97f67f5SJoerg Wunsch * The overall amount of memory to be allocated for processing the 82e97f67f5SJoerg Wunsch * strings is not expected to exceed a few kilobytes. For that 83e97f67f5SJoerg Wunsch * reason, allocation can usually always be assumed to succeed (within 84e97f67f5SJoerg Wunsch * a virtual memory environment), thus we simply bail out using 85e97f67f5SJoerg Wunsch * abort(3) in case of an allocation failure. 86e97f67f5SJoerg Wunsch */ 87e97f67f5SJoerg Wunsch 88558b00f5SEd Schouten static void 89e97f67f5SJoerg Wunsch usage(void) 90b78dcb87SJohan Karlsson { 9148baa772SRuslan Ermilov (void)fprintf(stderr, 9248baa772SRuslan Ermilov "usage: whereis [-abmqsux] [-BMS dir ... -f] program ...\n"); 9348baa772SRuslan Ermilov exit(EX_USAGE); 94e97f67f5SJoerg Wunsch } 95b78dcb87SJohan Karlsson 96e97f67f5SJoerg Wunsch /* 97e97f67f5SJoerg Wunsch * Scan options passed to program. 98e97f67f5SJoerg Wunsch * 99e97f67f5SJoerg Wunsch * Note that the -B/-M/-S options expect a list of directory 100e97f67f5SJoerg Wunsch * names that must be terminated with -f. 101e97f67f5SJoerg Wunsch */ 102558b00f5SEd Schouten static void 103e97f67f5SJoerg Wunsch scanopts(int argc, char **argv) 104e97f67f5SJoerg Wunsch { 1056c97c3d1SStefan Farfeleder int c, i; 106e97f67f5SJoerg Wunsch ccharp **dirlist; 107e97f67f5SJoerg Wunsch 1081f05bc6cSJohan Karlsson while ((c = getopt(argc, argv, "BMSabfmqsux")) != -1) 109e97f67f5SJoerg Wunsch switch (c) { 110e97f67f5SJoerg Wunsch case 'B': 111e97f67f5SJoerg Wunsch dirlist = &bindirs; 112e97f67f5SJoerg Wunsch goto dolist; 113e97f67f5SJoerg Wunsch 114e97f67f5SJoerg Wunsch case 'M': 115e97f67f5SJoerg Wunsch dirlist = &mandirs; 116e97f67f5SJoerg Wunsch goto dolist; 117e97f67f5SJoerg Wunsch 118e97f67f5SJoerg Wunsch case 'S': 119e97f67f5SJoerg Wunsch dirlist = &sourcedirs; 120e97f67f5SJoerg Wunsch dolist: 121e97f67f5SJoerg Wunsch i = 0; 122ad23c583SJohan Karlsson *dirlist = realloc(*dirlist, (i + 1) * sizeof(char *)); 123ad23c583SJohan Karlsson (*dirlist)[i] = NULL; 124e97f67f5SJoerg Wunsch while (optind < argc && 125e97f67f5SJoerg Wunsch strcmp(argv[optind], "-f") != 0 && 126e97f67f5SJoerg Wunsch strcmp(argv[optind], "-B") != 0 && 127e97f67f5SJoerg Wunsch strcmp(argv[optind], "-M") != 0 && 128e97f67f5SJoerg Wunsch strcmp(argv[optind], "-S") != 0) { 129ad23c583SJohan Karlsson decolonify(argv[optind], dirlist, &i); 130e97f67f5SJoerg Wunsch optind++; 131e97f67f5SJoerg Wunsch } 132e97f67f5SJoerg Wunsch break; 133e97f67f5SJoerg Wunsch 1341f05bc6cSJohan Karlsson case 'a': 1351f05bc6cSJohan Karlsson opt_a = 1; 1361f05bc6cSJohan Karlsson break; 1371f05bc6cSJohan Karlsson 138e97f67f5SJoerg Wunsch case 'b': 139e97f67f5SJoerg Wunsch opt_b = 1; 140e97f67f5SJoerg Wunsch break; 141e97f67f5SJoerg Wunsch 142e97f67f5SJoerg Wunsch case 'f': 143e97f67f5SJoerg Wunsch goto breakout; 144e97f67f5SJoerg Wunsch 145e97f67f5SJoerg Wunsch case 'm': 146e97f67f5SJoerg Wunsch opt_m = 1; 147e97f67f5SJoerg Wunsch break; 148e97f67f5SJoerg Wunsch 149e97f67f5SJoerg Wunsch case 'q': 150e97f67f5SJoerg Wunsch opt_q = 1; 151e97f67f5SJoerg Wunsch break; 152e97f67f5SJoerg Wunsch 153e97f67f5SJoerg Wunsch case 's': 154e97f67f5SJoerg Wunsch opt_s = 1; 155e97f67f5SJoerg Wunsch break; 156e97f67f5SJoerg Wunsch 157e97f67f5SJoerg Wunsch case 'u': 158e97f67f5SJoerg Wunsch opt_u = 1; 159e97f67f5SJoerg Wunsch break; 160e97f67f5SJoerg Wunsch 161e97f67f5SJoerg Wunsch case 'x': 162e97f67f5SJoerg Wunsch opt_x = 1; 163e97f67f5SJoerg Wunsch break; 164e97f67f5SJoerg Wunsch 165b78dcb87SJohan Karlsson default: 166b78dcb87SJohan Karlsson usage(); 167b78dcb87SJohan Karlsson } 168e97f67f5SJoerg Wunsch breakout: 169e97f67f5SJoerg Wunsch if (optind == argc) 170b78dcb87SJohan Karlsson usage(); 171e97f67f5SJoerg Wunsch query = argv + optind; 172b78dcb87SJohan Karlsson } 173b78dcb87SJohan Karlsson 174e97f67f5SJoerg Wunsch /* 175e97f67f5SJoerg Wunsch * Find out whether string `s' is contained in list `cpp'. 176e97f67f5SJoerg Wunsch */ 177558b00f5SEd Schouten static int 178e97f67f5SJoerg Wunsch contains(ccharp *cpp, const char *s) 179e97f67f5SJoerg Wunsch { 180e97f67f5SJoerg Wunsch ccharp cp; 181b78dcb87SJohan Karlsson 182e97f67f5SJoerg Wunsch if (cpp == NULL) 183e97f67f5SJoerg Wunsch return (0); 184e97f67f5SJoerg Wunsch 185e97f67f5SJoerg Wunsch while ((cp = *cpp) != NULL) { 186e97f67f5SJoerg Wunsch if (strcmp(cp, s) == 0) 187e97f67f5SJoerg Wunsch return (1); 188e97f67f5SJoerg Wunsch cpp++; 189e97f67f5SJoerg Wunsch } 190b78dcb87SJohan Karlsson return (0); 191b78dcb87SJohan Karlsson } 192b78dcb87SJohan Karlsson 193e97f67f5SJoerg Wunsch /* 194e97f67f5SJoerg Wunsch * Split string `s' at colons, and pass it to the string list pointed 195e97f67f5SJoerg Wunsch * to by `cppp' (which has `*ip' elements). Note that the original 196e97f67f5SJoerg Wunsch * string is modified by replacing the colon with a NUL byte. The 197e97f67f5SJoerg Wunsch * partial string is only added if it has a length greater than 0, and 198e97f67f5SJoerg Wunsch * if it's not already contained in the string list. 199e97f67f5SJoerg Wunsch */ 200558b00f5SEd Schouten static void 201e97f67f5SJoerg Wunsch decolonify(char *s, ccharp **cppp, int *ip) 202b78dcb87SJohan Karlsson { 203e97f67f5SJoerg Wunsch char *cp; 204b78dcb87SJohan Karlsson 205e97f67f5SJoerg Wunsch while ((cp = strchr(s, ':')), *s != '\0') { 206e97f67f5SJoerg Wunsch if (cp) 207e97f67f5SJoerg Wunsch *cp = '\0'; 208e97f67f5SJoerg Wunsch if (strlen(s) && !contains(*cppp, s)) { 209e97f67f5SJoerg Wunsch *cppp = realloc(*cppp, (*ip + 2) * sizeof(char *)); 210e97f67f5SJoerg Wunsch if (cppp == NULL) 211e97f67f5SJoerg Wunsch abort(); 212e97f67f5SJoerg Wunsch (*cppp)[*ip] = s; 213e97f67f5SJoerg Wunsch (*cppp)[*ip + 1] = NULL; 214e97f67f5SJoerg Wunsch (*ip)++; 215e97f67f5SJoerg Wunsch } 216e97f67f5SJoerg Wunsch if (cp) 217e97f67f5SJoerg Wunsch s = cp + 1; 218e97f67f5SJoerg Wunsch else 219e97f67f5SJoerg Wunsch break; 220e97f67f5SJoerg Wunsch } 221e97f67f5SJoerg Wunsch } 222e97f67f5SJoerg Wunsch 223e97f67f5SJoerg Wunsch /* 224e97f67f5SJoerg Wunsch * Join string list `cpp' into a colon-separated string. 225e97f67f5SJoerg Wunsch */ 226558b00f5SEd Schouten static char * 227e97f67f5SJoerg Wunsch colonify(ccharp *cpp) 228e97f67f5SJoerg Wunsch { 229e97f67f5SJoerg Wunsch size_t s; 230e97f67f5SJoerg Wunsch char *cp; 231e97f67f5SJoerg Wunsch int i; 232e97f67f5SJoerg Wunsch 233e97f67f5SJoerg Wunsch if (cpp == NULL) 234e97f67f5SJoerg Wunsch return (0); 235e97f67f5SJoerg Wunsch 236e97f67f5SJoerg Wunsch for (s = 0, i = 0; cpp[i] != NULL; i++) 237e97f67f5SJoerg Wunsch s += strlen(cpp[i]) + 1; 238e97f67f5SJoerg Wunsch if ((cp = malloc(s + 1)) == NULL) 239e97f67f5SJoerg Wunsch abort(); 240e97f67f5SJoerg Wunsch for (i = 0, *cp = '\0'; cpp[i] != NULL; i++) { 241e97f67f5SJoerg Wunsch strcat(cp, cpp[i]); 242e97f67f5SJoerg Wunsch strcat(cp, ":"); 243e97f67f5SJoerg Wunsch } 244e97f67f5SJoerg Wunsch cp[s - 1] = '\0'; /* eliminate last colon */ 245e97f67f5SJoerg Wunsch 246e97f67f5SJoerg Wunsch return (cp); 247e97f67f5SJoerg Wunsch } 248e97f67f5SJoerg Wunsch 249e97f67f5SJoerg Wunsch /* 250e97f67f5SJoerg Wunsch * Provide defaults for all options and directory lists. 251e97f67f5SJoerg Wunsch */ 252558b00f5SEd Schouten static void 253e97f67f5SJoerg Wunsch defaults(void) 254e97f67f5SJoerg Wunsch { 255e97f67f5SJoerg Wunsch size_t s; 256e97f67f5SJoerg Wunsch char *b, buf[BUFSIZ], *cp; 257e97f67f5SJoerg Wunsch int nele; 258e97f67f5SJoerg Wunsch FILE *p; 259e97f67f5SJoerg Wunsch DIR *dir; 260e97f67f5SJoerg Wunsch struct stat sb; 261e97f67f5SJoerg Wunsch struct dirent *dirp; 262e97f67f5SJoerg Wunsch 263e97f67f5SJoerg Wunsch /* default to -bms if none has been specified */ 264e97f67f5SJoerg Wunsch if (!opt_b && !opt_m && !opt_s) 265e97f67f5SJoerg Wunsch opt_b = opt_m = opt_s = 1; 266e97f67f5SJoerg Wunsch 2678e4c33e9SJohan Karlsson /* -b defaults to default path + /usr/libexec + 2688e4c33e9SJohan Karlsson * /usr/games + user's path */ 269e97f67f5SJoerg Wunsch if (!bindirs) { 270e97f67f5SJoerg Wunsch if (sysctlbyname("user.cs_path", (void *)NULL, &s, 271e97f67f5SJoerg Wunsch (void *)NULL, 0) == -1) 272e97f67f5SJoerg Wunsch err(EX_OSERR, "sysctlbyname(\"user.cs_path\")"); 273e97f67f5SJoerg Wunsch if ((b = malloc(s + 1)) == NULL) 274e97f67f5SJoerg Wunsch abort(); 275e97f67f5SJoerg Wunsch if (sysctlbyname("user.cs_path", b, &s, (void *)NULL, 0) == -1) 276e97f67f5SJoerg Wunsch err(EX_OSERR, "sysctlbyname(\"user.cs_path\")"); 277e97f67f5SJoerg Wunsch nele = 0; 278e97f67f5SJoerg Wunsch decolonify(b, &bindirs, &nele); 2798e4c33e9SJohan Karlsson bindirs = realloc(bindirs, (nele + 3) * sizeof(char *)); 280e97f67f5SJoerg Wunsch if (bindirs == NULL) 281e97f67f5SJoerg Wunsch abort(); 282103d6646SJohan Karlsson bindirs[nele++] = PATH_LIBEXEC; 283103d6646SJohan Karlsson bindirs[nele++] = PATH_GAMES; 284e97f67f5SJoerg Wunsch bindirs[nele] = NULL; 285e97f67f5SJoerg Wunsch if ((cp = getenv("PATH")) != NULL) { 286e97f67f5SJoerg Wunsch /* don't destroy the original environment... */ 287e97f67f5SJoerg Wunsch if ((b = malloc(strlen(cp) + 1)) == NULL) 288e97f67f5SJoerg Wunsch abort(); 289e97f67f5SJoerg Wunsch strcpy(b, cp); 290e97f67f5SJoerg Wunsch decolonify(b, &bindirs, &nele); 291e97f67f5SJoerg Wunsch } 292e97f67f5SJoerg Wunsch } 293e97f67f5SJoerg Wunsch 294e97f67f5SJoerg Wunsch /* -m defaults to $(manpath) */ 295e97f67f5SJoerg Wunsch if (!mandirs) { 296e97f67f5SJoerg Wunsch if ((p = popen(MANPATHCMD, "r")) == NULL) 297e97f67f5SJoerg Wunsch err(EX_OSERR, "cannot execute manpath command"); 298e97f67f5SJoerg Wunsch if (fgets(buf, BUFSIZ - 1, p) == NULL || 299e97f67f5SJoerg Wunsch pclose(p)) 300e97f67f5SJoerg Wunsch err(EX_OSERR, "error processing manpath results"); 301e97f67f5SJoerg Wunsch if ((b = strchr(buf, '\n')) != NULL) 302e97f67f5SJoerg Wunsch *b = '\0'; 303e97f67f5SJoerg Wunsch if ((b = malloc(strlen(buf) + 1)) == NULL) 304e97f67f5SJoerg Wunsch abort(); 305e97f67f5SJoerg Wunsch strcpy(b, buf); 306e97f67f5SJoerg Wunsch nele = 0; 307e97f67f5SJoerg Wunsch decolonify(b, &mandirs, &nele); 308e97f67f5SJoerg Wunsch } 309e97f67f5SJoerg Wunsch 310e97f67f5SJoerg Wunsch /* -s defaults to precompiled list, plus subdirs of /usr/ports */ 311e97f67f5SJoerg Wunsch if (!sourcedirs) { 312e97f67f5SJoerg Wunsch if ((b = malloc(strlen(sourcepath) + 1)) == NULL) 313e97f67f5SJoerg Wunsch abort(); 314e97f67f5SJoerg Wunsch strcpy(b, sourcepath); 315e97f67f5SJoerg Wunsch nele = 0; 316e97f67f5SJoerg Wunsch decolonify(b, &sourcedirs, &nele); 317e97f67f5SJoerg Wunsch 318e97f67f5SJoerg Wunsch if (stat(PATH_PORTS, &sb) == -1) { 319e97f67f5SJoerg Wunsch if (errno == ENOENT) 320e97f67f5SJoerg Wunsch /* no /usr/ports, we are done */ 321e97f67f5SJoerg Wunsch return; 322e97f67f5SJoerg Wunsch err(EX_OSERR, "stat(" PATH_PORTS ")"); 323e97f67f5SJoerg Wunsch } 324e97f67f5SJoerg Wunsch if ((sb.st_mode & S_IFMT) != S_IFDIR) 325e97f67f5SJoerg Wunsch /* /usr/ports is not a directory, ignore */ 326e97f67f5SJoerg Wunsch return; 327e97f67f5SJoerg Wunsch if (access(PATH_PORTS, R_OK | X_OK) != 0) 328e97f67f5SJoerg Wunsch return; 329e97f67f5SJoerg Wunsch if ((dir = opendir(PATH_PORTS)) == NULL) 330e97f67f5SJoerg Wunsch err(EX_OSERR, "opendir" PATH_PORTS ")"); 331e97f67f5SJoerg Wunsch while ((dirp = readdir(dir)) != NULL) { 3322b7b4962SJoerg Wunsch /* 3332b7b4962SJoerg Wunsch * Not everything below PATH_PORTS is of 3342b7b4962SJoerg Wunsch * interest. First, all dot files and 3352b7b4962SJoerg Wunsch * directories (e. g. .snap) can be ignored. 3362b7b4962SJoerg Wunsch * Also, all subdirectories starting with a 3372b7b4962SJoerg Wunsch * capital letter are not going to be 3382b7b4962SJoerg Wunsch * examined, as they are used for internal 3392b7b4962SJoerg Wunsch * purposes (Mk, Tools, ...). This also 3402b7b4962SJoerg Wunsch * matches a possible CVS subdirectory. 3412b7b4962SJoerg Wunsch * Finally, the distfiles subdirectory is also 3422b7b4962SJoerg Wunsch * special, and should not be considered to 3432b7b4962SJoerg Wunsch * avoid false matches. 3442b7b4962SJoerg Wunsch */ 345e97f67f5SJoerg Wunsch if (dirp->d_name[0] == '.' || 3462b7b4962SJoerg Wunsch /* 3472b7b4962SJoerg Wunsch * isupper() not used on purpose: the 3482b7b4962SJoerg Wunsch * check is supposed to default to the C 3492b7b4962SJoerg Wunsch * locale instead of the current user's 3502b7b4962SJoerg Wunsch * locale. 3512b7b4962SJoerg Wunsch */ 3522b7b4962SJoerg Wunsch (dirp->d_name[0] >= 'A' && dirp->d_name[0] <= 'Z') || 3532b7b4962SJoerg Wunsch strcmp(dirp->d_name, "distfiles") == 0) 354e97f67f5SJoerg Wunsch continue; 355e97f67f5SJoerg Wunsch if ((b = malloc(sizeof PATH_PORTS + 1 + dirp->d_namlen)) 356e97f67f5SJoerg Wunsch == NULL) 357e97f67f5SJoerg Wunsch abort(); 358e97f67f5SJoerg Wunsch strcpy(b, PATH_PORTS); 359e97f67f5SJoerg Wunsch strcat(b, "/"); 360e97f67f5SJoerg Wunsch strcat(b, dirp->d_name); 361e97f67f5SJoerg Wunsch if (stat(b, &sb) == -1 || 362e97f67f5SJoerg Wunsch (sb.st_mode & S_IFMT) != S_IFDIR || 363e97f67f5SJoerg Wunsch access(b, R_OK | X_OK) != 0) { 364e97f67f5SJoerg Wunsch free(b); 365e97f67f5SJoerg Wunsch continue; 366e97f67f5SJoerg Wunsch } 367e97f67f5SJoerg Wunsch sourcedirs = realloc(sourcedirs, 368e97f67f5SJoerg Wunsch (nele + 2) * sizeof(char *)); 369e97f67f5SJoerg Wunsch if (sourcedirs == NULL) 370e97f67f5SJoerg Wunsch abort(); 371e97f67f5SJoerg Wunsch sourcedirs[nele++] = b; 372e97f67f5SJoerg Wunsch sourcedirs[nele] = NULL; 373e97f67f5SJoerg Wunsch } 374e97f67f5SJoerg Wunsch closedir(dir); 375e97f67f5SJoerg Wunsch } 376e97f67f5SJoerg Wunsch } 377e97f67f5SJoerg Wunsch 378e97f67f5SJoerg Wunsch int 379e97f67f5SJoerg Wunsch main(int argc, char **argv) 380e97f67f5SJoerg Wunsch { 381e97f67f5SJoerg Wunsch int unusual, i, printed; 382e97f67f5SJoerg Wunsch char *bin, buf[BUFSIZ], *cp, *cp2, *man, *name, *src; 383e97f67f5SJoerg Wunsch ccharp *dp; 3841f05bc6cSJohan Karlsson size_t nlen, olen, s; 385e97f67f5SJoerg Wunsch struct stat sb; 386e97f67f5SJoerg Wunsch regex_t re, re2; 387e97f67f5SJoerg Wunsch regmatch_t matches[2]; 388e97f67f5SJoerg Wunsch regoff_t rlen; 389e97f67f5SJoerg Wunsch FILE *p; 390e97f67f5SJoerg Wunsch 3914ff23965STim J. Robbins setlocale(LC_ALL, ""); 3924ff23965STim J. Robbins 393e97f67f5SJoerg Wunsch scanopts(argc, argv); 394e97f67f5SJoerg Wunsch defaults(); 395e97f67f5SJoerg Wunsch 396e97f67f5SJoerg Wunsch if (mandirs == NULL) 397e97f67f5SJoerg Wunsch opt_m = 0; 398e97f67f5SJoerg Wunsch if (bindirs == NULL) 399e97f67f5SJoerg Wunsch opt_b = 0; 400e97f67f5SJoerg Wunsch if (sourcedirs == NULL) 401e97f67f5SJoerg Wunsch opt_s = 0; 402e97f67f5SJoerg Wunsch if (opt_m + opt_b + opt_s == 0) 403e97f67f5SJoerg Wunsch errx(EX_DATAERR, "no directories to search"); 404e97f67f5SJoerg Wunsch 405e97f67f5SJoerg Wunsch if (opt_m) { 406e97f67f5SJoerg Wunsch setenv("MANPATH", colonify(mandirs), 1); 407e97f67f5SJoerg Wunsch if ((i = regcomp(&re, MANWHEREISMATCH, REG_EXTENDED)) != 0) { 408e97f67f5SJoerg Wunsch regerror(i, &re, buf, BUFSIZ - 1); 409e97f67f5SJoerg Wunsch errx(EX_UNAVAILABLE, "regcomp(%s) failed: %s", 410e97f67f5SJoerg Wunsch MANWHEREISMATCH, buf); 411e97f67f5SJoerg Wunsch } 412e97f67f5SJoerg Wunsch } 413e97f67f5SJoerg Wunsch 414e97f67f5SJoerg Wunsch for (; (name = *query) != NULL; query++) { 415e97f67f5SJoerg Wunsch /* strip leading path name component */ 416e97f67f5SJoerg Wunsch if ((cp = strrchr(name, '/')) != NULL) 417e97f67f5SJoerg Wunsch name = cp + 1; 418e97f67f5SJoerg Wunsch /* strip SCCS or RCS suffix/prefix */ 419e97f67f5SJoerg Wunsch if (strlen(name) > 2 && strncmp(name, "s.", 2) == 0) 420e97f67f5SJoerg Wunsch name += 2; 421e97f67f5SJoerg Wunsch if ((s = strlen(name)) > 2 && strcmp(name + s - 2, ",v") == 0) 422e97f67f5SJoerg Wunsch name[s - 2] = '\0'; 423e97f67f5SJoerg Wunsch /* compression suffix */ 424e97f67f5SJoerg Wunsch s = strlen(name); 425e97f67f5SJoerg Wunsch if (s > 2 && 426e97f67f5SJoerg Wunsch (strcmp(name + s - 2, ".z") == 0 || 427e97f67f5SJoerg Wunsch strcmp(name + s - 2, ".Z") == 0)) 428e97f67f5SJoerg Wunsch name[s - 2] = '\0'; 429e97f67f5SJoerg Wunsch else if (s > 3 && 430e97f67f5SJoerg Wunsch strcmp(name + s - 3, ".gz") == 0) 431e97f67f5SJoerg Wunsch name[s - 3] = '\0'; 432e97f67f5SJoerg Wunsch else if (s > 4 && 433e97f67f5SJoerg Wunsch strcmp(name + s - 4, ".bz2") == 0) 434e97f67f5SJoerg Wunsch name[s - 4] = '\0'; 435e97f67f5SJoerg Wunsch 436e97f67f5SJoerg Wunsch unusual = 0; 437e97f67f5SJoerg Wunsch bin = man = src = NULL; 438e97f67f5SJoerg Wunsch s = strlen(name); 439e97f67f5SJoerg Wunsch 440e97f67f5SJoerg Wunsch if (opt_b) { 441e97f67f5SJoerg Wunsch /* 442e97f67f5SJoerg Wunsch * Binaries have to match exactly, and must be regular 443e97f67f5SJoerg Wunsch * executable files. 444e97f67f5SJoerg Wunsch */ 4451f05bc6cSJohan Karlsson unusual = unusual | NO_BIN_FOUND; 446e97f67f5SJoerg Wunsch for (dp = bindirs; *dp != NULL; dp++) { 447e97f67f5SJoerg Wunsch cp = malloc(strlen(*dp) + 1 + s + 1); 448e97f67f5SJoerg Wunsch if (cp == NULL) 449e97f67f5SJoerg Wunsch abort(); 450e97f67f5SJoerg Wunsch strcpy(cp, *dp); 451e97f67f5SJoerg Wunsch strcat(cp, "/"); 452e97f67f5SJoerg Wunsch strcat(cp, name); 453e97f67f5SJoerg Wunsch if (stat(cp, &sb) == 0 && 454e97f67f5SJoerg Wunsch (sb.st_mode & S_IFMT) == S_IFREG && 455e97f67f5SJoerg Wunsch (sb.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH)) 456e97f67f5SJoerg Wunsch != 0) { 4571f05bc6cSJohan Karlsson unusual = unusual & ~NO_BIN_FOUND; 4581f05bc6cSJohan Karlsson if (bin == NULL) { 4591f05bc6cSJohan Karlsson bin = strdup(cp); 4601f05bc6cSJohan Karlsson } else { 4611f05bc6cSJohan Karlsson olen = strlen(bin); 4621f05bc6cSJohan Karlsson nlen = strlen(cp); 4631f05bc6cSJohan Karlsson bin = realloc(bin, 4641f05bc6cSJohan Karlsson olen + nlen + 2); 4651f05bc6cSJohan Karlsson if (bin == 0) 4661f05bc6cSJohan Karlsson abort(); 4671f05bc6cSJohan Karlsson strcat(bin, " "); 4681f05bc6cSJohan Karlsson strcat(bin, cp); 4691f05bc6cSJohan Karlsson } 4701f05bc6cSJohan Karlsson if (!opt_a) { 4711f05bc6cSJohan Karlsson free(cp); 472e97f67f5SJoerg Wunsch break; 473e97f67f5SJoerg Wunsch } 4741f05bc6cSJohan Karlsson } 475e97f67f5SJoerg Wunsch free(cp); 476e97f67f5SJoerg Wunsch } 477e97f67f5SJoerg Wunsch } 478e97f67f5SJoerg Wunsch 479e97f67f5SJoerg Wunsch if (opt_m) { 480e97f67f5SJoerg Wunsch /* 481e97f67f5SJoerg Wunsch * Ask the man command to perform the search for us. 482e97f67f5SJoerg Wunsch */ 4831f05bc6cSJohan Karlsson unusual = unusual | NO_MAN_FOUND; 4841f05bc6cSJohan Karlsson if (opt_a) 4851f05bc6cSJohan Karlsson cp = malloc(sizeof MANWHEREISALLCMD - 2 + s); 4861f05bc6cSJohan Karlsson else 487e97f67f5SJoerg Wunsch cp = malloc(sizeof MANWHEREISCMD - 2 + s); 4881f05bc6cSJohan Karlsson 489e97f67f5SJoerg Wunsch if (cp == NULL) 490e97f67f5SJoerg Wunsch abort(); 4911f05bc6cSJohan Karlsson 4921f05bc6cSJohan Karlsson if (opt_a) 4931f05bc6cSJohan Karlsson sprintf(cp, MANWHEREISALLCMD, name); 4941f05bc6cSJohan Karlsson else 495e97f67f5SJoerg Wunsch sprintf(cp, MANWHEREISCMD, name); 4961f05bc6cSJohan Karlsson 4971f05bc6cSJohan Karlsson if ((p = popen(cp, "r")) != NULL) { 4981f05bc6cSJohan Karlsson 4991f05bc6cSJohan Karlsson while (fgets(buf, BUFSIZ - 1, p) != NULL) { 5001f05bc6cSJohan Karlsson unusual = unusual & ~NO_MAN_FOUND; 5011f05bc6cSJohan Karlsson 502e97f67f5SJoerg Wunsch if ((cp2 = strchr(buf, '\n')) != NULL) 503e97f67f5SJoerg Wunsch *cp2 = '\0'; 5041f05bc6cSJohan Karlsson if (regexec(&re, buf, 2, 5051f05bc6cSJohan Karlsson matches, 0) == 0 && 5061f05bc6cSJohan Karlsson (rlen = matches[1].rm_eo - 5071f05bc6cSJohan Karlsson matches[1].rm_so) > 0) { 508e97f67f5SJoerg Wunsch /* 5091f05bc6cSJohan Karlsson * man -w found formated 510e97f67f5SJoerg Wunsch * page, need to pick up 511e97f67f5SJoerg Wunsch * source page name. 512e97f67f5SJoerg Wunsch */ 513e97f67f5SJoerg Wunsch cp2 = malloc(rlen + 1); 514e97f67f5SJoerg Wunsch if (cp2 == NULL) 515e97f67f5SJoerg Wunsch abort(); 5161f05bc6cSJohan Karlsson memcpy(cp2, 5171f05bc6cSJohan Karlsson buf + matches[1].rm_so, 518e97f67f5SJoerg Wunsch rlen); 519e97f67f5SJoerg Wunsch cp2[rlen] = '\0'; 520e97f67f5SJoerg Wunsch } else { 521e97f67f5SJoerg Wunsch /* 522e97f67f5SJoerg Wunsch * man -w found plain source 523e97f67f5SJoerg Wunsch * page, use it. 524e97f67f5SJoerg Wunsch */ 525e97f67f5SJoerg Wunsch s = strlen(buf); 526e97f67f5SJoerg Wunsch cp2 = malloc(s + 1); 527e97f67f5SJoerg Wunsch if (cp2 == NULL) 528e97f67f5SJoerg Wunsch abort(); 529e97f67f5SJoerg Wunsch strcpy(cp2, buf); 530e97f67f5SJoerg Wunsch } 5311f05bc6cSJohan Karlsson 5321f05bc6cSJohan Karlsson if (man == NULL) { 5331f05bc6cSJohan Karlsson man = strdup(cp2); 5341f05bc6cSJohan Karlsson } else { 5351f05bc6cSJohan Karlsson olen = strlen(man); 5361f05bc6cSJohan Karlsson nlen = strlen(cp2); 5371f05bc6cSJohan Karlsson man = realloc(man, 5381f05bc6cSJohan Karlsson olen + nlen + 2); 5391f05bc6cSJohan Karlsson if (man == 0) 5401f05bc6cSJohan Karlsson abort(); 5411f05bc6cSJohan Karlsson strcat(man, " "); 5421f05bc6cSJohan Karlsson strcat(man, cp2); 543e97f67f5SJoerg Wunsch } 5441f05bc6cSJohan Karlsson 5451f05bc6cSJohan Karlsson free(cp2); 5461f05bc6cSJohan Karlsson 5471f05bc6cSJohan Karlsson if (!opt_a) 5481f05bc6cSJohan Karlsson break; 5491f05bc6cSJohan Karlsson } 5501f05bc6cSJohan Karlsson pclose(p); 551e97f67f5SJoerg Wunsch free(cp); 552e97f67f5SJoerg Wunsch } 5531f05bc6cSJohan Karlsson } 554e97f67f5SJoerg Wunsch 555e97f67f5SJoerg Wunsch if (opt_s) { 556e97f67f5SJoerg Wunsch /* 557e97f67f5SJoerg Wunsch * Sources match if a subdir with the exact 558e97f67f5SJoerg Wunsch * name is found. 559e97f67f5SJoerg Wunsch */ 5601f05bc6cSJohan Karlsson unusual = unusual | NO_SRC_FOUND; 561e97f67f5SJoerg Wunsch for (dp = sourcedirs; *dp != NULL; dp++) { 562e97f67f5SJoerg Wunsch cp = malloc(strlen(*dp) + 1 + s + 1); 563e97f67f5SJoerg Wunsch if (cp == NULL) 564e97f67f5SJoerg Wunsch abort(); 565e97f67f5SJoerg Wunsch strcpy(cp, *dp); 566e97f67f5SJoerg Wunsch strcat(cp, "/"); 567e97f67f5SJoerg Wunsch strcat(cp, name); 568e97f67f5SJoerg Wunsch if (stat(cp, &sb) == 0 && 569e97f67f5SJoerg Wunsch (sb.st_mode & S_IFMT) == S_IFDIR) { 5701f05bc6cSJohan Karlsson unusual = unusual & ~NO_SRC_FOUND; 5711f05bc6cSJohan Karlsson if (src == NULL) { 5721f05bc6cSJohan Karlsson src = strdup(cp); 5731f05bc6cSJohan Karlsson } else { 5741f05bc6cSJohan Karlsson olen = strlen(src); 5751f05bc6cSJohan Karlsson nlen = strlen(cp); 5761f05bc6cSJohan Karlsson src = realloc(src, 5771f05bc6cSJohan Karlsson olen + nlen + 2); 5781f05bc6cSJohan Karlsson if (src == 0) 5791f05bc6cSJohan Karlsson abort(); 5801f05bc6cSJohan Karlsson strcat(src, " "); 5811f05bc6cSJohan Karlsson strcat(src, cp); 5821f05bc6cSJohan Karlsson } 5831f05bc6cSJohan Karlsson if (!opt_a) { 5841f05bc6cSJohan Karlsson free(cp); 585e97f67f5SJoerg Wunsch break; 586e97f67f5SJoerg Wunsch } 5871f05bc6cSJohan Karlsson } 588e97f67f5SJoerg Wunsch free(cp); 589e97f67f5SJoerg Wunsch } 590e97f67f5SJoerg Wunsch /* 591e97f67f5SJoerg Wunsch * If still not found, ask locate to search it 592e97f67f5SJoerg Wunsch * for us. This will find sources for things 593e97f67f5SJoerg Wunsch * like lpr that are well hidden in the 594e97f67f5SJoerg Wunsch * /usr/src tree, but takes a lot longer. 595e97f67f5SJoerg Wunsch * Thus, option -x (`expensive') prevents this 596e97f67f5SJoerg Wunsch * search. 597e97f67f5SJoerg Wunsch * 598e97f67f5SJoerg Wunsch * Do only match locate output that starts 599e97f67f5SJoerg Wunsch * with one of our source directories, and at 600e97f67f5SJoerg Wunsch * least one further level of subdirectories. 601e97f67f5SJoerg Wunsch */ 6021f05bc6cSJohan Karlsson if (opt_x || (src && !opt_a)) 603e97f67f5SJoerg Wunsch goto done_sources; 604e97f67f5SJoerg Wunsch 605e97f67f5SJoerg Wunsch cp = malloc(sizeof LOCATECMD - 2 + s); 606e97f67f5SJoerg Wunsch if (cp == NULL) 607e97f67f5SJoerg Wunsch abort(); 608e97f67f5SJoerg Wunsch sprintf(cp, LOCATECMD, name); 609e97f67f5SJoerg Wunsch if ((p = popen(cp, "r")) == NULL) 610e97f67f5SJoerg Wunsch goto done_sources; 6111f05bc6cSJohan Karlsson while ((src == NULL || opt_a) && 612e97f67f5SJoerg Wunsch (fgets(buf, BUFSIZ - 1, p)) != NULL) { 613e97f67f5SJoerg Wunsch if ((cp2 = strchr(buf, '\n')) != NULL) 614e97f67f5SJoerg Wunsch *cp2 = '\0'; 615e97f67f5SJoerg Wunsch for (dp = sourcedirs; 6161f05bc6cSJohan Karlsson (src == NULL || opt_a) && *dp != NULL; 617e97f67f5SJoerg Wunsch dp++) { 618e97f67f5SJoerg Wunsch cp2 = malloc(strlen(*dp) + 9); 619e97f67f5SJoerg Wunsch if (cp2 == NULL) 620e97f67f5SJoerg Wunsch abort(); 621e97f67f5SJoerg Wunsch strcpy(cp2, "^"); 622e97f67f5SJoerg Wunsch strcat(cp2, *dp); 623e97f67f5SJoerg Wunsch strcat(cp2, "/[^/]+/"); 624e97f67f5SJoerg Wunsch if ((i = regcomp(&re2, cp2, 625e97f67f5SJoerg Wunsch REG_EXTENDED|REG_NOSUB)) 626e97f67f5SJoerg Wunsch != 0) { 627e97f67f5SJoerg Wunsch regerror(i, &re, buf, 628e97f67f5SJoerg Wunsch BUFSIZ - 1); 629e97f67f5SJoerg Wunsch errx(EX_UNAVAILABLE, 630e97f67f5SJoerg Wunsch "regcomp(%s) failed: %s", 631e97f67f5SJoerg Wunsch cp2, buf); 632e97f67f5SJoerg Wunsch } 633e97f67f5SJoerg Wunsch free(cp2); 634e97f67f5SJoerg Wunsch if (regexec(&re2, buf, 0, 635e97f67f5SJoerg Wunsch (regmatch_t *)NULL, 0) 636e97f67f5SJoerg Wunsch == 0) { 6371f05bc6cSJohan Karlsson unusual = unusual & 6381f05bc6cSJohan Karlsson ~NO_SRC_FOUND; 6391f05bc6cSJohan Karlsson if (src == NULL) { 6401f05bc6cSJohan Karlsson src = strdup(buf); 6411f05bc6cSJohan Karlsson } else { 6421f05bc6cSJohan Karlsson olen = strlen(src); 6431f05bc6cSJohan Karlsson nlen = strlen(buf); 6441f05bc6cSJohan Karlsson src = realloc(src, 6451f05bc6cSJohan Karlsson olen + 6461f05bc6cSJohan Karlsson nlen + 2); 6471f05bc6cSJohan Karlsson if (src == 0) 6481f05bc6cSJohan Karlsson abort(); 6491f05bc6cSJohan Karlsson strcat(src, " "); 6501f05bc6cSJohan Karlsson strcat(src, buf); 6511f05bc6cSJohan Karlsson } 652e97f67f5SJoerg Wunsch } 653e97f67f5SJoerg Wunsch regfree(&re2); 654e97f67f5SJoerg Wunsch } 655e97f67f5SJoerg Wunsch } 656e97f67f5SJoerg Wunsch pclose(p); 657e97f67f5SJoerg Wunsch free(cp); 658e97f67f5SJoerg Wunsch } 659e97f67f5SJoerg Wunsch done_sources: 660e97f67f5SJoerg Wunsch 661e97f67f5SJoerg Wunsch if (opt_u && !unusual) 662e97f67f5SJoerg Wunsch continue; 663e97f67f5SJoerg Wunsch 664e97f67f5SJoerg Wunsch printed = 0; 665e97f67f5SJoerg Wunsch if (!opt_q) { 666e97f67f5SJoerg Wunsch printf("%s:", name); 667e97f67f5SJoerg Wunsch printed++; 668e97f67f5SJoerg Wunsch } 669e97f67f5SJoerg Wunsch if (bin) { 670e97f67f5SJoerg Wunsch if (printed++) 671e97f67f5SJoerg Wunsch putchar(' '); 672e97f67f5SJoerg Wunsch fputs(bin, stdout); 673e97f67f5SJoerg Wunsch } 674e97f67f5SJoerg Wunsch if (man) { 675e97f67f5SJoerg Wunsch if (printed++) 676e97f67f5SJoerg Wunsch putchar(' '); 677e97f67f5SJoerg Wunsch fputs(man, stdout); 678e97f67f5SJoerg Wunsch } 679e97f67f5SJoerg Wunsch if (src) { 680e97f67f5SJoerg Wunsch if (printed++) 681e97f67f5SJoerg Wunsch putchar(' '); 682e97f67f5SJoerg Wunsch fputs(src, stdout); 683e97f67f5SJoerg Wunsch } 684e97f67f5SJoerg Wunsch if (printed) 685e97f67f5SJoerg Wunsch putchar('\n'); 686e97f67f5SJoerg Wunsch } 687e97f67f5SJoerg Wunsch 688e97f67f5SJoerg Wunsch if (opt_m) 689e97f67f5SJoerg Wunsch regfree(&re); 690e97f67f5SJoerg Wunsch 691e97f67f5SJoerg Wunsch return (0); 692b78dcb87SJohan Karlsson } 693