From: Ulrich Drepper Date: Sun, 30 Apr 2000 06:52:59 +0000 (+0000) Subject: Update. X-Git-Tag: upstream/2.30~25711 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=adcf0e4a330995739a4298abd33588e44bd329a1;p=external%2Fglibc.git Update. * iconv/iconv_prog.c (main): Handle input file name "-" correctly. Recognize option -s, -c, and -l. 2000-04-20 Thorsten Kukuk * nscd/nscd.c: Start new session for nscd, drop privilegs to configured user if requested and no -S parameter are used. * nscd/nscd.conf: Add new option "server-user". * nscd/nscd_conf.c: Add support for new "server-user" option. * nscd/nscd.h: Add declaration for server_user variable. Based on patch by Chris Wing 2000-04-29 Mark Kettenis * sysdeps/unix/sysv/linux/i386/sigaction.c: Add comment explaining that changing the __restore and __restore_rt signal return code will break GDB. 2000-04-29 Mark Kettenis * sysdeps/unix/sysv/linux/i386/sys/ucontext.h: Do not include . 2000-04-29 Mark Kettenis * conform/data/ucontext.h-data: Allow ss_* instead of SS_*. 2000-04-29 Ulrich Drepper --- diff --git a/ChangeLog b/ChangeLog index 90a53ab..7ee4821 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,34 @@ 2000-04-29 Ulrich Drepper + * iconv/iconv_prog.c (main): Handle input file name "-" correctly. + Recognize option -s, -c, and -l. + +2000-04-20 Thorsten Kukuk + + * nscd/nscd.c: Start new session for nscd, drop privilegs + to configured user if requested and no -S parameter are used. + * nscd/nscd.conf: Add new option "server-user". + * nscd/nscd_conf.c: Add support for new "server-user" option. + * nscd/nscd.h: Add declaration for server_user variable. + Based on patch by Chris Wing + +2000-04-29 Mark Kettenis + + * sysdeps/unix/sysv/linux/i386/sigaction.c: Add comment explaining + that changing the __restore and __restore_rt signal return code + will break GDB. + +2000-04-29 Mark Kettenis + + * sysdeps/unix/sysv/linux/i386/sys/ucontext.h: Do not include + . + +2000-04-29 Mark Kettenis + + * conform/data/ucontext.h-data: Allow ss_* instead of SS_*. + +2000-04-29 Ulrich Drepper + * conform/conformtest.pl (@headers): Add sys/utsname.h, sys/un.h, sys/socket.h, spawn.h, netinet/tcp.h, netinet/in.h, net/if.h, and arpa/inet.h. diff --git a/conform/data/ucontext.h-data b/conform/data/ucontext.h-data index 3ad661e..87a6025 100644 --- a/conform/data/ucontext.h-data +++ b/conform/data/ucontext.h-data @@ -16,5 +16,5 @@ function void makecontext (ucontext_t*, void(*)(void), int, ...) function int swapcontext (ucontext_t*, const ucontext_t*) allow uc_* -allow SS_* +allow ss_* allow *_t diff --git a/iconv/iconv_prog.c b/iconv/iconv_prog.c index f56409c..9ad6033 100644 --- a/iconv/iconv_prog.c +++ b/iconv/iconv_prog.c @@ -1,5 +1,5 @@ /* Convert text in given files from the specified from-set to the to-set. - Copyright (C) 1998, 1999 Free Software Foundation, Inc. + Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper , 1998. @@ -47,7 +47,7 @@ static void print_version (FILE *stream, struct argp_state *state); void (*argp_program_version_hook) (FILE *, struct argp_state *) = print_version; #define OPT_VERBOSE 1000 -#define OPT_LIST 1001 +#define OPT_LIST 'l' /* Definitions of arguments for argp functions. */ static const struct argp_option options[] = @@ -56,9 +56,11 @@ static const struct argp_option options[] = { "from-code", 'f', "NAME", 0, N_("encoding of original text") }, { "to-code", 't', "NAME", 0, N_("encoding for output") }, { NULL, 0, NULL, 0, N_("Information:") }, - { "list", OPT_LIST, NULL, 0, N_("list all known coded character sets") }, + { "list", 'l', NULL, 0, N_("list all known coded character sets") }, { NULL, 0, NULL, 0, N_("Output control:") }, + { NULL, 'c', NULL, 0, N_("omit invalid characters from output") }, { "output", 'o', "FILE", 0, N_("output file") }, + { "silent", 's', NULL, 0, N_("supress warnings") }, { "verbose", OPT_VERBOSE, NULL, 0, N_("print progress information") }, { NULL, 0, NULL, 0, NULL } }; @@ -71,10 +73,10 @@ Convert encoding of given files from one encoding to another."); static const char args_doc[] = N_("[FILE...]"); /* Prototype for option handler. */ -static error_t parse_opt __P ((int key, char *arg, struct argp_state *state)); +static error_t parse_opt (int key, char *arg, struct argp_state *state); /* Function to print some extra text in the help message. */ -static char *more_help __P ((int key, const char *text, void *input)); +static char *more_help (int key, const char *text, void *input); /* Data structure to communicate with argp functions. */ static struct argp argp = @@ -171,17 +173,24 @@ main (int argc, char *argv[]) { struct stat st; const char *addr; - int fd = open (argv[remaining], O_RDONLY); + int fd; + if (verbose) printf ("%s:\n", argv[remaining]); - - if (fd == -1) + if (strcmp (argv[remaining], "-") == 0) + fd = 0; + else { - error (0, errno, _("cannot open input file `%s'"), - argv[remaining]); - status = EXIT_FAILURE; - continue; + fd = open (argv[remaining], O_RDONLY); + + if (fd == -1) + { + error (0, errno, _("cannot open input file `%s'"), + argv[remaining]); + status = EXIT_FAILURE; + continue; + } } #ifdef _POSIX_MAPPED_FILES @@ -261,6 +270,15 @@ parse_opt (int key, char *arg, struct argp_state *state) case 'o': output_file = arg; break; + case 's': + /* Nothing, for now at least. We are not giving out any information + about missing character or so. */ + break; + case 'c': + /* Omit invalid characters from output. + XXX This option will become a meaning once we have different + modes of operation for the conversion functions. */ + break; case OPT_VERBOSE: verbose = 1; break; @@ -299,7 +317,7 @@ print_version (FILE *stream, struct argp_state *state) Copyright (C) %s Free Software Foundation, Inc.\n\ This is free software; see the source for copying conditions. There is NO\n\ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\ -"), "1999"); +"), "2000"); fprintf (stream, gettext ("Written by %s.\n"), "Ulrich Drepper"); } diff --git a/nscd/nscd.c b/nscd/nscd.c index 45928f0..bc291d8 100644 --- a/nscd/nscd.c +++ b/nscd/nscd.c @@ -1,4 +1,4 @@ -/* Copyright (c) 1998, 1999 Free Software Foundation, Inc. +/* Copyright (c) 1998, 1999, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Thorsten Kukuk , 1998. @@ -62,6 +62,7 @@ int do_shutdown; int disabled_passwd; int disabled_group; int go_background = 1; +const char *server_user; int secure[lastdb]; int secure_in_use; @@ -69,6 +70,7 @@ static const char *conffile = _PATH_NSCDCONF; static int check_pid (const char *file); static int write_pid (const char *file); +static void drop_privileges (void); /* Name and version of program. */ static void print_version (FILE *stream, struct argp_state *state); @@ -140,6 +142,8 @@ main (int argc, char **argv) if (fork ()) exit (0); + setsid (); + chdir ("/"); openlog ("nscd", LOG_CONS | LOG_ODELAY, LOG_DAEMON); @@ -164,6 +168,10 @@ main (int argc, char **argv) /* Init databases. */ nscd_init (conffile); + /* Change to unprivileged UID if specifed in config file */ + if(server_user && !secure_in_use) + drop_privileges (); + /* Handle incoming requests */ start_threads (); @@ -364,3 +372,36 @@ write_pid (const char *file) return 0; } + +/* Look up the uid and gid associated with the user we are supposed to run + the server as, and then call setgid(), setgroups(), and setuid(). + Otherwise, abort- we should not run as root if the configuration file + specifically tells us not to. */ + +static void +drop_privileges (void) +{ + int buflen = 256; + char *buffer = alloca (buflen); + struct passwd resultbuf; + struct passwd *pwd; + + while (__getpwnam_r (server_user, &resultbuf, buffer, buflen, &pwd) != 0 + && errno == ERANGE) + { + errno = 0; + buflen += 256; + buffer = alloca (buflen); + } + + if(!pwd) + { + dbg_log (_("Failed to look up user '%s' to run server as"), + server_user); + exit(1); + } + + setgroups (0, NULL); + setgid (pwd->pw_gid); + setuid (pwd->pw_uid); +} diff --git a/nscd/nscd.conf b/nscd/nscd.conf index 0e43da3..226dda3 100644 --- a/nscd/nscd.conf +++ b/nscd/nscd.conf @@ -8,6 +8,8 @@ # logfile # debug-level # threads <#threads to use> +# server-user +# server-user is ignored if nscd is started with -S parameters # # enable-cache # positive-time-to-live