[27762] in Source-Commits
athinfod commit: Removed C athinfod
daemon@ATHENA.MIT.EDU (Jonathan D Reed)
Tue Mar 4 12:07:17 2014
Date: Tue, 4 Mar 2014 12:07:09 -0500
From: Jonathan D Reed <jdreed@MIT.EDU>
Message-Id: <201403041707.s24H79gP023792@drugstore.mit.edu>
To: source-commits@MIT.EDU
https://github.com/mit-athena/athinfod/commit/3b7e631301d6513c27c6145953ae5c41c797513f
commit 3b7e631301d6513c27c6145953ae5c41c797513f
Author: Kristen A Sunter <k_sunter@mit.edu>
Date: Sat Sep 7 20:37:33 2013 -0400
Removed C athinfod
Removed athinfod.c and supporting build infrastructure.
Makefile.in | 45 --------
athinfod.c | 324 ----------------------------------------------------------
configure.in | 12 --
3 files changed, 0 insertions(+), 381 deletions(-)
diff --git a/Makefile.in b/Makefile.in
deleted file mode 100644
index 2f7cc7b..0000000
--- a/Makefile.in
+++ /dev/null
@@ -1,45 +0,0 @@
-# $Id: Makefile.in,v 1.3 1999-10-19 20:22:56 danw Exp $
-
-SHELL=/bin/sh
-VPATH=@srcdir@
-INSTALL=@INSTALL@
-INSTALL_PROGRAM=@INSTALL_PROGRAM@
-srcdir=@srcdir@
-top_srcdir=@top_srcdir@
-prefix=@prefix@
-exec_prefix=@exec_prefix@
-lsbindir=@lsbindir@
-mandir=@mandir@
-
-CC=@CC@
-DEFS=@DEFS@
-CPPFLAGS=@CPPFLAGS@
-CFLAGS=@CFLAGS@ ${WARN_CFLAGS} ${ERROR_CFLAGS}
-LDFLAGS=@LDFLAGS@
-LIBS=@LIBS@
-ALL_CFLAGS=${CPPFLAGS} ${CFLAGS} ${DEFS}
-
-all: athinfod
-
-athinfod: athinfod.o
- ${CC} ${LDFLAGS} -o athinfod athinfod.o ${LIBS}
-
-.c.o:
- ${CC} -c ${ALL_CFLAGS} $<
-
-check:
-
-install:
- ${top_srcdir}/mkinstalldirs ${DESTDIR}${lsbindir}
- ${top_srcdir}/mkinstalldirs ${DESTDIR}${mandir}/man5
- ${top_srcdir}/mkinstalldirs ${DESTDIR}${mandir}/man8
- ${INSTALL_PROGRAM} athinfod ${DESTDIR}${lsbindir}
- ${INSTALL} -m 444 ${srcdir}/athinfo.defs.5 ${DESTDIR}${mandir}/man5
- ${INSTALL} -m 444 ${srcdir}/athinfo.access.5 ${DESTDIR}${mandir}/man5
- ${INSTALL} -m 444 ${srcdir}/athinfod.8 ${DESTDIR}${mandir}/man8
-
-clean:
- rm -f athinfod.o athinfod
-
-distclean: clean
- rm -f config.cache config.log config.status Makefile
diff --git a/athinfod.c b/athinfod.c
deleted file mode 100644
index 11d7a72..0000000
--- a/athinfod.c
+++ /dev/null
@@ -1,324 +0,0 @@
-/* Copyright 1998 by the Massachusetts Institute of Technology.
- *
- * Permission to use, copy, modify, and distribute this
- * software and its documentation for any purpose and without
- * fee is hereby granted, provided that the above copyright
- * notice appear in all copies and that both that copyright
- * notice and this permission notice appear in supporting
- * documentation, and that the name of M.I.T. not be used in
- * advertising or publicity pertaining to distribution of the
- * software without specific, written prior permission.
- * M.I.T. makes no representations about the suitability of
- * this software for any purpose. It is provided "as is"
- * without express or implied warranty.
- */
-
-static const char rcsid[] = "$Id: athinfod.c,v 1.3 1999-10-19 20:22:56 danw Exp $";
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/socket.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <dirent.h>
-#include <fnmatch.h>
-#include <errno.h>
-
-#define PATH_ATHINFO_DEFS "/etc/athena/athinfo.defs"
-#define PATH_ATHINFO_ACCESS "/etc/athena/athinfo.access"
-#define PATH_ATHINFO_DEFS_D "/etc/athena/athinfo.defs.d"
-#define ATHINFO_DEFS_D_WILDCARD "*.defs" /* Files to be read in defs.d */
-
-static const char *read_query(void);
-static void shutdown_input(void);
-static const char *get_definition(const char *query);
-static void check_enabled(const char *query);
-static int first_field_matches(const char *s, const char *word);
-static const char *skip_spaces(const char *p);
-static const char *skip_nonspaces(const char *p);
-static int read_line(FILE *fp, char **buf, int *bufsize);
-static void *emalloc(size_t size);
-static void *erealloc(void *ptr, size_t size);
-
-int main(int argc, char **argv)
-{
- const char *query, *cmd;
-
- query = read_query();
- shutdown_input();
- cmd = get_definition(query);
- check_enabled(query);
- execl("/bin/sh", "sh", "-c", cmd, (char *) NULL);
- fprintf(stderr, "athinfod: cannot run shell, aborting.\n");
- return 1;
-}
-
-/* Read the query from stdin and validate it. */
-static const char *read_query(void)
-{
- char *line = NULL;
- int linesize;
- const char *p;
-
- if (read_line(stdin, &line, &linesize) != 0)
- {
- fprintf(stderr, "athinfod: couldn't read query.\n");
- exit(0);
- }
-
- /* Make sure the query consists of printable nonspace characters. */
- for (p = line; *p; p++)
- {
- if (!isprint((unsigned char)*p) || isspace((unsigned char)*p))
- {
- fprintf(stderr, "athinfod: invalid query.\n");
- exit(0);
- }
- }
- return line;
-}
-
-/* Shut down the input side of the inetd socket and repoint stdin at
- * /dev/null. This eliminates the possibility of malicious input
- * affecting the commands we execute.
- */
-static void shutdown_input(void)
-{
- int fd;
-
- shutdown(STDIN_FILENO, 0);
- close(STDIN_FILENO);
- fd = open("/dev/null", O_RDONLY);
- if (fd == -1)
- {
- fprintf(stderr, "athinfod: cannot open /dev/null, aborting.\n");
- exit(1);
- }
- if (fd != STDIN_FILENO)
- {
- dup2(fd, STDIN_FILENO);
- close(fd);
- }
-}
-
-/* Read the definition of query from the specified file. */
-static const char *get_definition_from_file(const char *query,
- const char *filepath)
-{
- char *line = NULL;
- int linesize;
- FILE *fp;
-
- fp = fopen(filepath, "r");
- if (!fp)
- {
- fprintf(stderr,
- "athinfod: cannot open %s (%s), aborting.\n", filepath, strerror(errno));
- exit(1);
- }
-
- while (read_line(fp, &line, &linesize) == 0)
- {
- /* Ignore comment lines. */
- if (*line == '#')
- continue;
-
- if (first_field_matches(line, query))
- {
- fclose(fp);
- return skip_spaces(skip_nonspaces(line));
- }
- }
-
- fclose(fp);
- return NULL;
-}
-
-static int defs_file_filter(const struct dirent *entry)
-{
- return fnmatch(ATHINFO_DEFS_D_WILDCARD, entry->d_name, 0) == 0;
-}
-
-static const char *get_definition(const char *query)
-{
- const char *definition;
- definition = get_definition_from_file(query, PATH_ATHINFO_DEFS);
- if (definition != NULL)
- return definition;
-
- struct dirent **namelist;
- int numfiles, i;
- numfiles = scandir(PATH_ATHINFO_DEFS_D, &namelist,
- defs_file_filter, alphasort);
- if (numfiles < 0) {
- if (errno != ENOENT) {
- fprintf(stderr, "athinfod: %s while scanning %s.\n",
- strerror(errno), PATH_ATHINFO_DEFS_D);
- exit(1);
- }
- } else {
- for (i = 0; i < numfiles; i++) {
- int len;
- char path[PATH_MAX];
- len = snprintf(path, sizeof(path), "%s/%s", PATH_ATHINFO_DEFS_D,
- namelist[i]->d_name);
- if (len < 0 || len >= (int)sizeof(path))
- /* Should we print an error here? I don't think so. */
- continue;
- definition = get_definition_from_file(query, path);
- if (definition != NULL)
- break;
- }
- }
-
- for (i = 0; i < numfiles; i++)
- free(namelist[i]);
- free(namelist);
-
- if (definition != NULL)
- return definition;
- fprintf(stderr, "athinfod: unrecognized query.\n");
- exit(0);
-}
-
-/* See if this command is enabled. */
-static void check_enabled(const char *query)
-{
- char *line = NULL;
- int linesize, enabled = 0, val;
- FILE *fp;
- const char *p;
-
- fp = fopen(PATH_ATHINFO_ACCESS, "r");
- if (!fp)
- {
- fprintf(stderr,
- "athinfod: cannot open athinfo access file, aborting.\n");
- exit(1);
- }
-
- while (read_line(fp, &line, &linesize) == 0)
- {
- /* Only pay attention to lines starting with "enable" or "disable". */
- if (first_field_matches(line, "enable"))
- val = 1;
- else if (first_field_matches(line, "disable"))
- val = 0;
- else
- continue;
-
- /* If we find an exact match, stop. If we find a glob match,
- * accept that value for now but hold out for an exact match.
- * (This means if there are conflicting lines in the config
- * file, we take the first exact match but the last glob match.
- * Oh well.)
- */
- p = skip_spaces(skip_nonspaces(line));
- if (first_field_matches(p, query))
- {
- enabled = val;
- break;
- }
- else if (first_field_matches(p, "*"))
- enabled = val;
- }
-
- fclose(fp);
- free(line);
- if (!enabled)
- {
- fprintf(stderr, "athinfod: query disabled.\n");
- exit(0);
- }
-}
-
-static int first_field_matches(const char *s, const char *word)
-{
- int len = strlen(word);
-
- return (strncasecmp(s, word, len) == 0 &&
- (isspace((unsigned char)s[len]) || !s[len]));
-}
-
-static const char *skip_spaces(const char *p)
-{
- while (isspace((unsigned char)*p))
- p++;
- return p;
-}
-
-static const char *skip_nonspaces(const char *p)
-{
- while (*p && !isspace((unsigned char)*p))
- p++;
- return p;
-}
-
-/* Read a line from a file into a dynamically allocated buffer,
- * zeroing the trailing newline if there is one. The calling routine
- * may call read_line multiple times with the same buf and bufsize
- * pointers; *buf will be reallocated and *bufsize adjusted as
- * appropriate. The initial value of *buf should be NULL. After the
- * calling routine is done reading lines, it should free *buf. This
- * function returns 0 if a line was successfully read, 1 if the file
- * ended, and -1 if there was an I/O error.
- */
-static int read_line(FILE *fp, char **buf, int *bufsize)
-{
- char *newbuf;
- int offset = 0, len;
-
- if (*buf == NULL)
- {
- *buf = emalloc(128);
- *bufsize = 128;
- }
-
- while (1)
- {
- if (!fgets(*buf + offset, *bufsize - offset, fp))
- return (offset != 0) ? 0 : (ferror(fp)) ? -1 : 1;
- len = offset + strlen(*buf + offset);
- if ((*buf)[len - 1] == '\n')
- {
- (*buf)[len - 1] = 0;
- if (len > 1 && (*buf)[len - 2] == '\r')
- (*buf)[len - 2] = 0;
- return 0;
- }
- offset = len;
-
- /* Allocate more space. */
- newbuf = erealloc(*buf, *bufsize * 2);
- *buf = newbuf;
- *bufsize *= 2;
- }
-}
-
-static void *emalloc(size_t size)
-{
- void *ptr;
-
- ptr = malloc(size);
- if (!ptr)
- {
- fprintf(stderr, "athinfod: malloc failure, aborting.\n");
- exit(1);
- }
- return ptr;
-}
-
-void *erealloc(void *ptr, size_t size)
-{
- ptr = realloc(ptr, size);
- if (!ptr)
- {
- fprintf(stderr, "athinfod: realloc failure, aborting.\n");
- exit(1);
- }
- return ptr;
-}
diff --git a/configure.in b/configure.in
deleted file mode 100644
index 6bc1103..0000000
--- a/configure.in
+++ /dev/null
@@ -1,12 +0,0 @@
-dnl Process this file with autoconf to produce a configure script.
-AC_INIT(athinfod.c)
-
-test -z "$lsbindir" && lsbindir='${sbindir}'
-AC_SUBST(lsbindir)
-
-AC_PROG_CC
-AC_PROG_INSTALL
-
-AC_CHECK_FUNC(socket, :, AC_CHECK_LIB(socket, socket))
-
-AC_OUTPUT(Makefile)
