/*
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* Copyright (c) 1997,2008 Andrew G. Morgan <morgan@kernel.org>
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*
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* This displays the capabilities of given target process(es).
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*/
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#include <sys/types.h>
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <sys/capability.h>
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static void usage(void)
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{
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fprintf(stderr,
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"usage: getcaps <pid> [<pid> ...]\n\n"
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" This program displays the capabilities on the queried process(es).\n"
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" The capabilities are displayed in the cap_from_text(3) format.\n\n"
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"[Copyright (c) 1997-8,2007 Andrew G. Morgan <morgan@kernel.org>]\n"
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);
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exit(1);
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}
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int main(int argc, char **argv)
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{
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int retval = 0;
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if (argc < 2) {
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usage();
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}
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for ( ++argv; --argc > 0; ++argv ) {
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ssize_t length;
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int pid;
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cap_t cap_d;
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pid = atoi(argv[0]);
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cap_d = cap_get_pid(pid);
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if (cap_d == NULL) {
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fprintf(stderr, "Failed to get cap's for proccess %d:"
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" (%s)\n", pid, strerror(errno));
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retval = 1;
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continue;
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} else {
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char *result = cap_to_text(cap_d, &length);
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fprintf(stderr, "Capabilities for `%s': %s\n", *argv, result);
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cap_free(result);
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result = NULL;
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cap_free(cap_d);
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}
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}
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return retval;
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}
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