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Diffstat (limited to 'progs/RCS/setpcaps.c,v')
| -rw-r--r-- | progs/RCS/setpcaps.c,v | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/progs/RCS/setpcaps.c,v b/progs/RCS/setpcaps.c,v deleted file mode 100644 index 621331e..0000000 --- a/progs/RCS/setpcaps.c,v +++ /dev/null @@ -1,207 +0,0 @@ -head 1.3; -access; -symbols; -locks; strict; -comment @ * @; - - -1.3 -date 98.09.20.23.07.08; author morgan; state Exp; -branches; -next 1.2; - -1.2 -date 98.06.08.00.17.38; author morgan; state Exp; -branches; -next 1.1; - -1.1 -date 98.06.07.01.46.51; author morgan; state Exp; -branches; -next ; - - -desc -@example program to set capabilities of other processes -intended for use on non-capabilitiy supporting filesystems. -@ - - -1.3 -log -@fixed comment at top -@ -text -@/* - * $Id: setpcaps.c,v 1.2 1998/06/08 00:17:38 morgan Exp morgan $ - * - * Copyright (c) 1997-8 Andrew G. Morgan <morgan@@linux.kernel.org> - * - * This sets the capabilities of a given process. - */ - -#include <sys/types.h> -#include <errno.h> -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#undef _POSIX_SOURCE -#include <sys/capability.h> -#include <unistd.h> - -static void usage(void) -{ - fprintf(stderr, -"usage: setcap [-q] (-|<caps>) <pid> [ ... (-|<capsN>) <pid> ]\n\n" -" This program can be used to set the process capabilities of running\n" -" processes. In order to work, it needs to be executing with CAP_SETPCAP\n" -" raised, and the only capabilities that this program can bestow on others\n" -" are a subset of its effective set. This program is mostly intended as an\n" -" example -- a safe use of CAP_SETPCAP has yet to be demonstrated!\n\n" -"[Copyright (c) 1997-8 Andrew G. Morgan <morgan@@linux.kernel.org>]\n" - ); - exit(1); -} - -#define MAXCAP 2048 - -static int read_caps(int quiet, const char *filename, char *buffer) -{ - int i=MAXCAP; - - if (!quiet) { - fprintf(stderr, "Please enter caps for file [empty line to end]:\n"); - } - while (i > 0) { - int j = read(STDIN_FILENO, buffer, i); - - if (j < 0) { - fprintf(stderr, "\n[Error - aborting]\n"); - exit(1); - } - - if (j==0 || buffer[0] == '\n') { - /* we're done */ - break; - } - - /* move on... */ - - i -= j; - buffer += j; - } - - /* <NUL> terminate */ - buffer[0] = '\0'; - - return (i < MAXCAP ? 0:-1); -} - -int main(int argc, char **argv) -{ - char buffer[MAXCAP+1]; - int retval, quiet=0; - cap_t cap_d; - - if (argc < 3) { - usage(); - } - - while (--argc > 0) { - const char *text; - pid_t pid; - - if (!strcmp(*++argv,"-q")) { - quiet = 1; - continue; - } - if (!strcmp(*argv,"-")) { - retval = read_caps(quiet, *argv, buffer); - if (retval) - usage(); - text = buffer; - } else - text = *argv; - - cap_d = cap_from_text(text); - if (cap_d == NULL) { - perror("fatal error"); - usage(); - } -#ifndef DEBUG - { - ssize_t length; - char *result; - - result = cap_to_text(cap_d, &length); - fprintf(stderr, "[caps set to:\n%s\n]\n", result); - free(result); - result = NULL; - } -#endif - - if (--argc <= 0) - usage(); - - pid = atoi(*++argv); - retval = capsetp(pid, cap_d); - - if (retval != 0) { - fprintf(stderr, "Failed to set cap's on process `%d': (%s)\n", - pid, strerror(errno)); - usage(); - } -#ifndef DEBUG - fprintf(stderr, "[caps set on %d]\n", pid); -#endif - } - - return 0; -} - -/* - * $Log: setpcaps.c,v $ - * Revision 1.2 1998/06/08 00:17:38 morgan - * change to accommodate alpha (glibc?) - * - * Revision 1.1 1998/06/07 01:46:51 morgan - * Initial revision - * - * Revision 1.2 1997/05/04 05:34:32 morgan - * non void main - * - * Revision 1.1 1997/04/28 01:01:20 morgan - * Initial revision - * - */ -@ - - -1.2 -log -@change to accommodate alpha (glibc?) -@ -text -@d2 1 -a2 1 - * $Id: setpcaps.c,v 1.1 1998/06/07 01:46:51 morgan Exp morgan $ -d6 1 -a6 1 - * This sets the capabilities of a given file. -d130 3 -@ - - -1.1 -log -@Initial revision -@ -text -@d2 1 -a2 1 - * $Id: setcap.c,v 1.2 1997/05/04 05:34:32 morgan Exp $ -d9 1 -d129 4 -a132 1 - * $Log: setcap.c,v $ -@ |