/* $NetBSD: pl.c,v 1.2.14.1 2020/12/08 18:45:58 martin Exp $ */ #ifdef HAVE_NBTOOL_CONFIG_H #include "nbtool_config.h" #else #if HAVE_CONFIG_H #include "config.h" #endif #include #if HAVE_SYS_CDEFS_H #include #endif #endif __RCSID("$NetBSD: pl.c,v 1.2.14.1 2020/12/08 18:45:58 martin Exp $"); /* * FreeBSD install - a package for the installation and maintainance * of non-core utilities. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Jordan K. Hubbard * 18 July 1993 * * Routines for dealing with the packing list. * */ #include "lib.h" #include "create.h" #if HAVE_ERR_H #include #endif #ifndef NETBSD #include #else #include #endif /* * Check that any symbolic link is relative to the prefix */ static void CheckSymlink(char *name, char *prefix, size_t prefixcc) { char newtgt[MaxPathSize]; char oldtgt[MaxPathSize]; char *slash; int slashc; int cc; int i; if ((cc = readlink(name, oldtgt, sizeof(oldtgt) - 1)) > 0) { oldtgt[cc] = 0; if (strncmp(oldtgt, prefix, prefixcc) == 0 && oldtgt[prefixcc] == '/') { for (slashc = 0, slash = &name[prefixcc + 1]; (slash = strchr(slash, '/')) != (char *) NULL; slash++, slashc++) { } for (cc = i = 0; i < slashc; i++) { strlcpy(&newtgt[cc], "../", sizeof(newtgt) - cc); cc += 3; } strlcpy(&newtgt[cc], &oldtgt[prefixcc + 1], sizeof(newtgt) - cc); (void) fprintf(stderr, "Full pathname symlink `%s' is target of `%s' - adjusting to `%s'\n", oldtgt, name, newtgt); if (unlink(name) != 0) { warn("can't unlink `%s'", name); } else if (symlink(newtgt, name) != 0) { warn("can't symlink `%s' called `%s'", newtgt, name); } } } } /* * Check a list for files that require preconversion */ void check_list(package_t *pkg, const char *PkgName) { struct stat st; plist_t *tmp; plist_t *p; char buf[ChecksumHeaderLen + LegibleChecksumLen]; char target[MaxPathSize + SymlinkHeaderLen]; char name[MaxPathSize]; char *cwd = NULL; char *pkgname = NULL; int cc; for (p = pkg->head; p; p = p->next) { switch (p->type) { case PLIST_CWD: cwd = p->name; break; case PLIST_NAME: pkgname = p->name; break; case PLIST_IGNORE: p = p->next; break; case PLIST_PKGDIR: if (cwd == NULL) errx(2, "@pkgdir without preceding @cwd found"); if (pkgname == NULL) errx(2, "@pkgdir without preceding @name found"); break; case PLIST_FILE: if (cwd == NULL) errx(2, "file without preceding @cwd found"); (void) snprintf(name, sizeof(name), "%s%s%s", cwd, (strcmp(cwd, "/") == 0) ? "" : "/", p->name); if (lstat(name, &st) < 0) { warnx("can't stat `%s'", name); continue; } switch (st.st_mode & S_IFMT) { case S_IFDIR: warnx("Warning - directory `%s' in PLIST", name); break; case S_IFLNK: if (RelativeLinks) { CheckSymlink(name, cwd, strlen(cwd)); } (void) strlcpy(target, SYMLINK_HEADER, sizeof(target)); if ((cc = readlink(name, &target[SymlinkHeaderLen], sizeof(target) - SymlinkHeaderLen - 1)) < 0) { warnx("can't readlink `%s'", name); continue; } target[SymlinkHeaderLen + cc] = 0x0; tmp = new_plist_entry(); tmp->name = xstrdup(target); tmp->type = PLIST_COMMENT; tmp->next = p->next; tmp->prev = p; if (p == pkg->tail) { pkg->tail = tmp; } p->next = tmp; p = tmp; break; case S_IFCHR: warnx("Warning - char special device `%s' in PLIST", name); break; case S_IFBLK: warnx("Warning - block special device `%s' in PLIST", name); break; default: (void) strlcpy(buf, CHECKSUM_HEADER, sizeof(buf)); if (MD5File(name, &buf[ChecksumHeaderLen]) != (char *) NULL) { tmp = new_plist_entry(); tmp->name = xstrdup(buf); tmp->type = PLIST_COMMENT; /* PLIST_MD5 - HF */ tmp->next = p->next; tmp->prev = p; if (p == pkg->tail) { pkg->tail = tmp; } p->next = tmp; p = tmp; } break; } break; default: break; } } }