Move readlink, mktemp, run-parts and which to a new debianutils dir.

7 files changed, 499 insertions, 0 deletions

diff --git a/debianutils/Makefile b/debianutils/Makefile
new file mode 100644
index 000000000..35b32e73b
--- /dev/null
+++ b/debianutils/Makefile
@@ -0,0 +1,30 @@
+# Makefile for busybox
+#
+# Copyright (C) 1999-2002 Erik Andersen <andersee@debian.org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+
+TOPDIR:= ../
+DEBIANUTILS_DIR:=./
+include $(TOPDIR).config
+include $(TOPDIR)Rules.mak
+include Makefile.in
+all: $(libraries-y)
+-include $(TOPDIR).depend
+
+clean:
+        rm -f *.o *.a $(AR_TARGET)
+
diff --git a/debianutils/Makefile.in b/debianutils/Makefile.in
new file mode 100644
index 000000000..91887bda1
--- /dev/null
+++ b/debianutils/Makefile.in
@@ -0,0 +1,36 @@
+# Makefile for busybox
+#
+# Copyright (C) 1999-2002 Erik Andersen <andersee@debian.org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+
+DEBIANUTILS_AR:=debianutils.a
+ifndef $(DEBIANUTILS_DIR)
+DEBIANUTILS_DIR:=$(TOPDIR)debianutils/
+endif
+
+
+DEBIANUTILS-y:=
+DEBIANUTILS-$(CONFIG_MKTEMP)            += mktemp.o
+DEBIANUTILS-$(CONFIG_READLINK)          += readlink.o
+DEBIANUTILS-$(CONFIG_RUN_PARTS)         += run_parts.o
+DEBIANUTILS-$(CONFIG_WHICH)             += which.o
+
+libraries-y+=$(DEBIANUTILS_DIR)$(DEBIANUTILS_AR)
+
+$(DEBIANUTILS_DIR)$(DEBIANUTILS_AR): $(patsubst %,$(DEBIANUTILS_DIR)%, $(DEBIANUTILS-y))
+        $(AR) -ro $@ $(patsubst %,$(DEBIANUTILS_DIR)%, $(DEBIANUTILS-y))
+
diff --git a/debianutils/config.in b/debianutils/config.in
new file mode 100644
index 000000000..7b1d92991
--- /dev/null
+++ b/debianutils/config.in
@@ -0,0 +1,15 @@
+#
+# For a description of the syntax of this configuration file,
+# see scripts/kbuild/config-language.txt.
+#
+
+mainmenu_option next_comment
+comment 'Debian Utilities'
+
+bool 'mktemp'       CONFIG_MKTEMP
+bool 'readlink'     CONFIG_READLINK
+bool 'run-parts'    CONFIG_RUN_PARTS
+bool 'which'        CONFIG_WHICH
+
+endmenu
+
diff --git a/debianutils/mktemp.c b/debianutils/mktemp.c
new file mode 100644
index 000000000..bc47d0af0
--- /dev/null
+++ b/debianutils/mktemp.c
@@ -0,0 +1,40 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini mktemp implementation for busybox
+ *
+ *
+ * Copyright (C) 2000 by Daniel Jacobowitz
+ * Written by Daniel Jacobowitz <dan@debian.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include "busybox.h"
+
+extern int mktemp_main(int argc, char **argv)
+{
+        if (argc != 2 && (argc != 3 || strcmp(argv[1], "-q")))
+                show_usage();
+        if(mkstemp(argv[argc-1]) < 0)
+                return EXIT_FAILURE;
+        (void) puts(argv[argc-1]);
+        return EXIT_SUCCESS;
+}
diff --git a/debianutils/readlink.c b/debianutils/readlink.c
new file mode 100644
index 000000000..da5259038
--- /dev/null
+++ b/debianutils/readlink.c
@@ -0,0 +1,46 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini readlink implementation for busybox
+ *
+ * Copyright (C) 2000,2001 Matt Kraai <kraai@alumni.carnegiemellon.edu>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include "busybox.h"
+
+int readlink_main(int argc, char **argv)
+{
+        char *buf = NULL;
+
+        /* no options, no getopt */
+
+        if (argc != 2)
+                show_usage();
+
+        buf = xreadlink(argv[1]);
+        if (!buf)
+                return EXIT_FAILURE;
+        puts(buf);
+#ifdef CONFIG_FEATURE_CLEAN_UP
+        free(buf);
+#endif
+
+        return EXIT_SUCCESS;
+}
diff --git a/debianutils/run_parts.c b/debianutils/run_parts.c
new file mode 100644
index 000000000..3ec4b9d10
--- /dev/null
+++ b/debianutils/run_parts.c
@@ -0,0 +1,251 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini run-parts implementation for busybox
+ *
+ *
+ * Copyright (C) 2001 by Emanuele Aina <emanuele.aina@tiscali.it>
+ *
+ * Based on the Debian run-parts program, version 1.15
+ *   Copyright (C) 1996 Jeff Noxon <jeff@router.patch.net>,
+ *   Copyright (C) 1996-1999 Guy Maor <maor@debian.org>
+ *   
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307 USA
+ *
+ */
+
+/* This is my first attempt to write a program in C (well, this is my first
+ * attempt to write a program! :-) . */
+
+/* This piece of code is heavily based on the original version of run-parts,
+ * taken from debian-utils. I've only removed the long options and a the 
+ * report mode. As the original run-parts support only long options, I've
+ * broken compatibility because the BusyBox policy doesn't allow them. 
+ * The supported options are: 
+ * -t                   test. Print the name of the files to be executed, without
+ *                              execute them.
+ * -a ARG               argument. Pass ARG as an argument the program executed. It can 
+ *                              be repeated to pass multiple arguments.
+ * -u MASK              umask. Set the umask of the program executed to MASK. */
+
+/* TODO 
+ * done - convert calls to error in perror... and remove error()
+ * done - convert malloc/realloc to their x... counterparts 
+ * done - remove catch_sigchld
+ * done - use bb's concat_path_file() 
+ * done - declare run_parts_main() as extern and any other function as static?
+ */
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+/* #include <sys/types.h> */
+#include <sys/wait.h>
+#include <dirent.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+
+#include "busybox.h"
+
+static int test_mode = 0;
+static int exitstatus = 0;
+
+static int argcount = 0, argsize = 0;
+static char **args = 0;
+
+
+/* set_umask */
+/* Check and set the umask of the program executed. As stated in the original
+ * run-parts, the octal conversion in libc is not foolproof; it will take the 
+ * 8 and 9 digits under some circumstances. We'll just have to live with it.
+ */
+
+static void set_umask (void)
+{
+  int mask, result;
+
+  /*TODO
+   * We must substitute sscanf, according to bb's style guide? */
+  result = sscanf (optarg, "%o", &mask);
+  if ((result != 1) || (mask > 07777) || (mask < 0)) {
+          perror_msg_and_die ("bad umask value");
+  }
+
+  umask (mask);
+}
+
+/* add_argument */
+/* Add an argument to the commands that we will call. Called once for
+   every argument. */
+static void add_argument (char *newarg)
+{
+  if (argcount+1 >= argsize) {
+    argsize = argsize ? argsize*2 : 4;
+        /*TODO if we convert to xrealloc we lose the verbose error message */
+        args = realloc(args, argsize * (sizeof(char*)));
+    if (!args) {
+                perror_msg_and_die ("failed to reallocate memory for arguments");
+        }
+  }
+  args[argcount++] = newarg;
+  args[argcount] = 0;
+}
+
+/* valid_name */
+/* True or false? Is this a valid filename (upper/lower alpha, digits,
+ * underscores, and hyphens only?)
+ */
+
+static int valid_name (const struct dirent *d)
+{
+        char *c = d->d_name;
+        while (*c) {
+                if (!isalnum(*c) && *c!='_' && *c!='-') {
+                        return 0;
+                }
+                ++c;
+        }
+        return 1;
+}
+
+
+/* run_part */
+/* Execute a file */
+
+static void run_part (char *progname)
+{
+  int result;
+  int pid;
+
+  
+  if ((pid=fork()) < 0) {
+    perror_msg_and_die ("failed to fork");
+  }
+  else if (!pid) {
+    args[0] = progname;
+    execv (progname, args);
+    perror_msg_and_die ("failed to exec %s", progname);
+  }
+
+  if (0) {
+                  
+  } else {
+                  
+                  waitpid(pid, &result, 0);
+  }
+
+  if (WIFEXITED (result) && WEXITSTATUS(result)) {
+                  perror_msg ("%s exited with return code %d", progname, WEXITSTATUS(result));
+                  exitstatus = 1;
+  }
+  else if (WIFSIGNALED (result)) {
+                  perror_msg ("%s exited because of uncaught signal %d", progname,
+                                                  WTERMSIG(result));
+                  exitstatus = 1;
+  }
+}
+
+/* run_parts */
+/* Find the parts to run & call run_part() */
+
+static void run_parts (char *dir_name)
+{
+  struct dirent **namelist = 0;
+  char *filename;
+  int entries, i;
+  struct stat st;
+
+  /* -- */
+  
+  /* scandir() isn't POSIX, but it makes things easy. */
+  entries = scandir (dir_name, &namelist, valid_name, alphasort);
+
+  if (entries < 0) {
+    perror_msg_and_die ("failed to open directory %s", dir_name);
+  }
+  
+  for (i = 0; i < entries; i++) {
+
+          /* -- */
+
+          filename = concat_path_file (dir_name, namelist[i]->d_name);
+          
+          if (stat (filename, &st) < 0) {
+                  perror_msg_and_die ("failed to stat component %s", filename);
+          }
+          if (S_ISREG(st.st_mode) && !access (filename, X_OK)) {
+                  if (test_mode)
+                          printf ("run-parts would run %s\n", filename);
+                  else {
+                          run_part (filename);
+                  }
+          }
+
+          else if (!S_ISDIR(st.st_mode)) {
+                  error_msg ("component %s is not an executable plain file",
+                                  filename);
+                  exitstatus = 1;
+          }
+          
+          free (namelist[i]);
+          free (filename);
+  }
+  free (namelist);
+}
+
+/* run_parts_main */
+/* Process options */
+int run_parts_main (int argc, char *argv[])
+{
+  umask (022);
+  add_argument(0);
+  
+  for (;;) {
+    int c;
+
+    opterr = 0;
+    c = getopt(argc, argv, "tu:a:");
+        
+    if (c == EOF)
+      break;
+    switch (c) {
+        case 't':               /* Enable test mode */
+                test_mode = 1;
+                break;                  
+        case 'u':               /* Set the umask of the programs executed */
+                set_umask ();
+                break;
+    case 'a':               /* Pass an argument to the programs */
+                add_argument (optarg);
+                break;
+    default:
+                show_usage();
+    }
+  }
+  
+  /* We require exactly one argument: the directory name */
+  if (optind != (argc - 1)) {
+          show_usage();
+  }
+
+  run_parts (argv[optind]);
+
+  return exitstatus;
+}
diff --git a/debianutils/which.c b/debianutils/which.c
new file mode 100644
index 000000000..b2af5a8ea
--- /dev/null
+++ b/debianutils/which.c
@@ -0,0 +1,81 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Which implementation for busybox
+ *
+ * Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen
+ * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/* getopt not needed */
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "busybox.h"
+
+extern int which_main(int argc, char **argv)
+{
+        char *path_list, *path_n;
+        struct stat filestat;
+        int i, count=1, found, status = EXIT_SUCCESS;
+
+        if (argc <= 1 || **(argv + 1) == '-')
+                show_usage();
+        argc--;
+
+        path_list = getenv("PATH");
+        if (path_list != NULL) {
+                for(i=strlen(path_list); i > 0; i--)
+                        if (path_list[i]==':') {
+                                path_list[i]=0;
+                                count++;
+                        }
+        } else {
+                path_list = "/bin\0/sbin\0/usr/bin\0/usr/sbin\0/usr/local/bin";
+                count = 5;
+        }
+
+        while(argc-- > 0) { 
+                path_n = path_list;
+                argv++;
+                found = 0;
+                for (i = 0; i < count; i++) {
+                        char *buf;
+                        buf = concat_path_file(path_n, *argv);
+                        if (stat (buf, &filestat) == 0
+                            && filestat.st_mode & S_IXUSR)
+                        {
+                                puts(buf);
+                                found = 1;
+                                break;
+                        }
+                        free(buf);
+                        path_n += (strlen(path_n) + 1);
+                }
+                if (!found)
+                        status = EXIT_FAILURE;
+        }
+        return status;
+}
+
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/