14887Schin /*********************************************************************** 24887Schin * * 34887Schin * This software is part of the ast package * 4*8462SApril.Chin@Sun.COM * Copyright (c) 1985-2008 AT&T Intellectual Property * 54887Schin * and is licensed under the * 64887Schin * Common Public License, Version 1.0 * 7*8462SApril.Chin@Sun.COM * by AT&T Intellectual Property * 84887Schin * * 94887Schin * A copy of the License is available at * 104887Schin * http://www.opensource.org/licenses/cpl1.0.txt * 114887Schin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 124887Schin * * 134887Schin * Information and Software Systems Research * 144887Schin * AT&T Research * 154887Schin * Florham Park NJ * 164887Schin * * 174887Schin * Glenn Fowler <gsf@research.att.com> * 184887Schin * David Korn <dgk@research.att.com> * 194887Schin * Phong Vo <kpv@research.att.com> * 204887Schin * * 214887Schin ***********************************************************************/ 224887Schin #pragma prototyped 234887Schin /* 244887Schin * AT&T Bell Laboratories 254887Schin * force current command to run under dir preroot 264887Schin */ 274887Schin 284887Schin #include <ast.h> 294887Schin #include <preroot.h> 304887Schin 314887Schin #if FS_PREROOT 324887Schin 334887Schin #include <option.h> 344887Schin 354887Schin void 364887Schin setpreroot(register char** argv, const char* dir) 374887Schin { 384887Schin register char* s; 394887Schin register char** ap; 404887Schin int argc; 414887Schin char* cmd; 424887Schin char** av; 434887Schin char buf[PATH_MAX]; 444887Schin 454887Schin if ((argv || (argv = opt_info.argv)) && (dir || (dir = getenv(PR_BASE)) && *dir) && !ispreroot(dir) && (*(cmd = *argv++) == '/' || (cmd = pathpath(buf, cmd, NiL, PATH_ABSOLUTE|PATH_REGULAR|PATH_EXECUTE)))) 464887Schin { 474887Schin argc = 3; 484887Schin for (ap = argv; *ap++; argc++); 494887Schin if (av = newof(0, char*, argc, 0)) 504887Schin { 514887Schin ap = av; 524887Schin *ap++ = PR_COMMAND; 534887Schin *ap++ = dir; 544887Schin *ap++ = cmd; 554887Schin while (*ap++ = *argv++); 564887Schin if (!(s = getenv(PR_SILENT)) || !*s) 574887Schin { 584887Schin sfprintf(sfstderr, "+"); 594887Schin ap = av; 604887Schin while (s = *ap++) 614887Schin sfprintf(sfstderr, " %s", s); 624887Schin sfprintf(sfstderr, "\n"); 634887Schin sfsync(sfstderr); 644887Schin } 654887Schin execv(*av, av); 664887Schin free(av); 674887Schin } 684887Schin } 694887Schin } 704887Schin 714887Schin #else 724887Schin 734887Schin NoN(setpreroot) 744887Schin 754887Schin #endif 76