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https://codeberg.org/libreboot/lbmk.git
synced 2026-03-25 21:39:03 +02:00
e9a910b33c
i currently use the output of sha512sum in several places of xbmk, which is a bit unreliable in case output changes. other cases where i use util outputs in variables are probably reliable, because i'm using mostly posix utilities in those. to mitigate this, i now import suckless sbase, which has a reasonable sha512sum implementation. *every* binary it builds is being placed in build.list, because i'll probably start using more of them. for example, i may start modifying the "date" implementation, adding the GNU-specific options that i need as mentioned on init.sh i'm importing it in util/ because the sha512sum util is needed for verifying project sources, so if sbase itself is a "project source", that means we can into a chicken and egg bootstrapping problem. this is sbase at revision: 055cc1ae1b3a13c3d8f25af0a4a3316590efcd48 Signed-off-by: Leah Rowe <leah@libreboot.org>
93 lines
1.6 KiB
C
93 lines
1.6 KiB
C
/* See LICENSE file for copyright and license details. */
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#include <libgen.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "util.h"
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static void
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usage(void)
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{
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eprintf("usage: %s [-dqtu] [-p directory] [template]\n", argv0);
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}
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int
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main(int argc, char *argv[])
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{
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int dflag = 0, pflag = 0, qflag = 0, tflag = 0, uflag = 0, fd;
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char *template = "tmp.XXXXXXXXXX", *tmpdir = "", *pdir,
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*p, path[PATH_MAX], tmp[PATH_MAX];
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size_t len;
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ARGBEGIN {
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case 'd':
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dflag = 1;
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break;
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case 'p':
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pflag = 1;
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pdir = EARGF(usage());
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break;
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case 'q':
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qflag = 1;
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break;
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case 't':
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tflag = 1;
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break;
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case 'u':
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uflag = 1;
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break;
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default:
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usage();
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} ARGEND
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if (argc > 1)
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usage();
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else if (argc == 1)
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template = argv[0];
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if (!argc || pflag || tflag) {
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if ((p = getenv("TMPDIR")))
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tmpdir = p;
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else if (pflag)
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tmpdir = pdir;
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else
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tmpdir = "/tmp";
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}
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len = estrlcpy(path, tmpdir, sizeof(path));
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if (path[0] && path[len - 1] != '/')
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estrlcat(path, "/", sizeof(path));
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estrlcpy(tmp, template, sizeof(tmp));
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p = dirname(tmp);
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if (!(p[0] == '.' && p[1] == '\0')) {
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if (tflag && !pflag)
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eprintf("template must not contain directory separators in -t mode\n");
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}
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estrlcat(path, template, sizeof(path));
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if (dflag) {
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if (!mkdtemp(path)) {
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if (!qflag)
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eprintf("mkdtemp %s:", path);
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return 1;
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}
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} else {
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if ((fd = mkstemp(path)) < 0) {
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if (!qflag)
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eprintf("mkstemp %s:", path);
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return 1;
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}
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if (close(fd))
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eprintf("close %s:", path);
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}
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if (uflag)
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unlink(path);
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puts(path);
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efshut(stdout, "<stdout>");
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return 0;
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}
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