--- LICENSE | 1 + Makefile | 9 ++- README | 1 + TODO | 1 - install.c | 259 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 5 files changed, 268 insertions(+), 3 deletions(-) create mode 100644 install.c diff --git a/LICENSE b/LICENSE index cb5a797..2a26979 100644 --- a/LICENSE +++ b/LICENSE _AT_@ -59,3 +59,4 @@ Authors/contributors include: © 2015 Quentin Rameau <quinq_AT_quinq.eu.org> © 2015 Dionysis Grigoropoulos <info_AT_erethon.com> © 2015 Wolfgang Corcoran-Mathe <first.lord.of.teal_AT_gmail.com> +© 2016 Mattias Andrée <maandree_AT_kth.se> diff --git a/Makefile b/Makefile index 1c09cac..b34800d 100644 --- a/Makefile +++ b/Makefile _AT_@ -103,6 +103,7 @@ BIN =\ getconf\ grep\ head\ + install.out\ join\ hostname\ kill\ _AT_@ -177,6 +178,9 @@ $(OBJ): $(HDR) config.mk .o: $(CC) $(LDFLAGS) -o $_AT_ $< $(LIB) +install.out: install.o + $(CC) $(LDFLAGS) -o $_AT_ $^ $(LIB) + .c.o: $(CC) $(CFLAGS) $(CPPFLAGS) -o $_AT_ -c $< _AT_@ -196,13 +200,14 @@ confstr_l.h limits_l.h sysconf_l.h pathconf_l.h: getconf.sh install: all mkdir -p $(DESTDIR)$(PREFIX)/bin cp -f $(BIN) $(DESTDIR)$(PREFIX)/bin - cd $(DESTDIR)$(PREFIX)/bin && ln -f test [ && chmod 755 $(BIN) + mv -f $(DESTDIR)$(PREFIX)/bin/install.out $(DESTDIR)$(PREFIX)/bin/install + cd $(DESTDIR)$(PREFIX)/bin && ln -f test [ && chmod 755 $(BIN:.out=) mkdir -p $(DESTDIR)$(MANPREFIX)/man1 for m in $(MAN); do sed "s/^\.Os sbase/.Os sbase $(VERSION)/g" < "$$m" > $(DESTDIR)$(MANPREFIX)/man1/"$$m"; done cd $(DESTDIR)$(MANPREFIX)/man1 && chmod 644 $(MAN) uninstall: - cd $(DESTDIR)$(PREFIX)/bin && rm -f $(BIN) + cd $(DESTDIR)$(PREFIX)/bin && rm -f $(BIN:.out=) cd $(DESTDIR)$(MANPREFIX)/man1 && rm -f $(MAN) dist: clean diff --git a/README b/README index c72ed76..69e4f69 100644 --- a/README +++ b/README _AT_@ -42,6 +42,7 @@ The following tools are implemented: =*|o grep . =*|o head . =*|x hostname . +=*|x install . =* o join . =*|o kill . =*|o link . diff --git a/TODO b/TODO index 80dd3ec..2721170 100644 --- a/TODO +++ b/TODO _AT_@ -8,7 +8,6 @@ awk bc diff ed manpage -install patch pathchk stty diff --git a/install.c b/install.c new file mode 100644 index 0000000..0a81101 --- /dev/null +++ b/install.c _AT_@ -0,0 +1,259 @@ +/* See LICENSE file for copyright and license details. */ +#include <grp.h> +#include <pwd.h> +#include <errno.h> +#include <unistd.h> +#include <stdlib.h> +#include <string.h> +#include <dirent.h> +#include <sys/stat.h> +#include <sys/wait.h> + +#include "util.h" +#include "text.h" + +static int Dflag = 0; +static int sflag = 0; +static gid_t group; +static uid_t owner; +static mode_t mode = 0755; + +static void +make_dir(char *dir, int was_missing) +{ + if (!mkdir(dir, was_missing ? 0755 : mode)) { + if (!was_missing && (lchown(dir, owner, group) < 0)) + eprintf("lchmod %s:", dir); + } else if (errno != EEXIST) { + eprintf("mkdir %s:", dir); + } +} + +static void +make_dirs(char *dir, int was_missing) +{ + char *p; + for (p = strchr(dir + (dir[0] == '/'), '/'); p; p = strchr(p + 1, '/')) { + *p = '\0'; + make_dir(dir, was_missing); + *p = '/'; + } + make_dir(dir, was_missing); +} + +static void +strip(const char *filename) +{ + pid_t pid = fork(); + switch (pid) + { + case -1: + perror("fork"); + exit(EXIT_FAILURE); + case 0: + execlp("strip", "strip", "--", filename, (char *)0); + eprintf("exec: strip:"); + default: + waitpid(pid, NULL, 0); + break; + } +} + +static int +install(const char *s1, const char *s2, int depth) +{ + DIR *dp; + FILE *f1, *f2; + struct dirent *d; + struct stat st; + ssize_t r; + char target[PATH_MAX], ns1[PATH_MAX], ns2[PATH_MAX]; + + if (stat(s1, &st) < 0) + eprintf("stat %s:", s1); + + if (S_ISLNK(st.st_mode)) { + if ((r = readlink(s1, target, sizeof(target) - 1)) >= 0) { + target[r] = '\0'; + if (unlink(s2) < 0 && errno != ENOENT) + eprintf("unlink %s:", s2); + else if (symlink(target, s2) < 0) + eprintf("symlink %s -> %s:", s2, target); + } + } else if (S_ISDIR(st.st_mode)) { + if (!(dp = opendir(s1))) + eprintf("opendir %s:", s1); + if (mkdir(s2, mode | 0111) < 0 && errno != EEXIST) + eprintf("mkdir %s:", s2); + + while ((d = readdir(dp))) { + if (!strcmp(d->d_name, ".") || !strcmp(d->d_name, "..")) + continue; + + estrlcpy(ns1, s1, sizeof(ns1)); + if (s1[strlen(s1) - 1] != '/') + estrlcat(ns1, "/", sizeof(ns1)); + estrlcat(ns1, d->d_name, sizeof(ns1)); + + estrlcpy(ns2, s2, sizeof(ns2)); + if (s2[strlen(s2) - 1] != '/') + estrlcat(ns2, "/", sizeof(ns2)); + estrlcat(ns2, d->d_name, sizeof(ns2)); + + fnck(ns1, ns2, install, depth + 1); + } + + closedir(dp); + } else if (S_ISBLK(st.st_mode) || S_ISCHR(st.st_mode) || + S_ISSOCK(st.st_mode) || S_ISFIFO(st.st_mode)) { + if (unlink(s2) < 0 && errno != ENOENT) + eprintf("unlink %s:", s2); + else if (mknod(s2, (st.st_mode & ~07777) | mode, st.st_rdev) < 0) + eprintf("mknod %s:", s2); + } else { + if (!(f1 = fopen(s1, "r"))) + eprintf("fopen %s:", s1); + if (!(f2 = fopen(s2, "w"))) { + if (unlink(s2) < 0 && errno != ENOENT) + eprintf("unlink %s:", s2); + else if (!(f2 = fopen(s2, "w"))) + eprintf("fopen %s:", s2); + } + concat(f1, s1, f2, s2); + + fchmod(fileno(f2), mode); + + if (fclose(f2) == EOF) + eprintf("fclose %s:", s2); + if (fclose(f1) == EOF) + eprintf("fclose %s:", s1); + + if (sflag) + strip(s2); + } + + if (lchown(s2, owner, group) < 0) + eprintf("lchown %s:", s2); + + return 0; +} + +static void +usage(void) +{ + eprintf("usage: %s [-g group] [-o owner] [-m mode] (-d dir ... | [-Ds] (-t dest source ... | source ... dest))\n", argv0); +} + +int +main(int argc, char *argv[]) +{ + int dflag = 0; + char *gflag = 0; + char *oflag = 0; + char *mflag = 0; + char *tflag = 0; + struct group *gr; + struct passwd *pw; + struct stat st; + char *p; + + ARGBEGIN { + case 'd': + dflag = 1; + break; + case 'D': + Dflag = 1; + break; + case 's': + sflag = 1; + break; + case 'g': + gflag = EARGF(usage()); + break; + case 'o': + oflag = EARGF(usage()); + break; + case 'm': + mflag = EARGF(usage()); + break; + case 't': + tflag = EARGF(usage()); + break; + default: + usage(); + } ARGEND + + if (argc < 1 + (!tflag & !dflag) || dflag & (Dflag | sflag | !!tflag)) + usage(); + + if (gflag) { + errno = 0; + gr = getgrnam(gflag); + if (gr) { + group = gr->gr_gid; + } else { + if (errno) + eprintf("getgrnam %s:", gflag); + group = estrtonum(gflag, 0, UINT_MAX); + } + } else { + group = getgid(); + } + + if (oflag) { + errno = 0; + pw = getpwnam(oflag); + if (pw) { + owner = pw->pw_uid; + } else { + if (errno) + eprintf("getpwnam %s:", oflag); + owner = estrtonum(oflag, 0, UINT_MAX); + } + } else { + owner = getuid(); + } + + if (mflag) { + mode = parsemode(mflag, mode, 0); + if (mode < 0) + return EXIT_FAILURE; + } + + if (tflag) { + memmove(argv - 1, argv, argc); + argv[argc++] = tflag; + } + if (tflag || argc > 2) { + if (stat(argv[argc - 1], &st) < 0) { + if ((errno == ENOENT) && Dflag) { + make_dirs(argv[argc - 1], 1); + } else { + eprintf("stat %s:", argv[argc - 1]); + } + } else if (!S_ISDIR(st.st_mode)) { + eprintf("%s: not a directory\n", argv[argc - 1]); + } + } + + if (dflag) { + for (; *argv; argc--, argv++) + make_dirs(*argv, 0); + } else { + if (stat(argv[argc - 1], &st) < 0) { + if (errno != ENOENT) + eprintf("stat %s:", argv[argc - 1]); + if (tflag || argc > 2) { + p = strrchr(argv[argc - 1], '/'); + *p = '\0'; + make_dirs(argv[argc - 1], 1); + *p = '/'; + } else { + make_dirs(argv[argc - 1], 1); + } + } + enmasse(argc, argv, install); + } + + return 0; +} -- 2.7.1Received on Thu Feb 11 2016 - 12:06:14 CET
This archive was generated by hypermail 2.3.0 : Thu Feb 11 2016 - 12:12:11 CET