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savecore(8): Complete libxo transition

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Reviewed by:	des
MFC after:	3 days
Differential Revision:	https://reviews.freebsd.org/D41392
This commit is contained in:
Yan-Hao Wang 2024-04-04 02:28:30 +08:00 committed by Li-Wen Hsu
parent d627293f03
commit c7bdc25d41
No known key found for this signature in database
GPG key ID: 82B261B14D3BC7AF
1 changed files with 26 additions and 24 deletions
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50
sbin/savecore/savecore.c
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@ -335,7 +335,8 @@ write_header_info(xo_handle_t *xostdout, const struct kerneldumpheader *kdh,
printheader(xoinfo, kdh, device, bounds, status);
xo_close_container_h(xoinfo, "crashdump");
xo_flush_h(xoinfo);
xo_finish_h(xoinfo);
if (xo_finish_h(xoinfo) < 0)
xo_err(EXIT_FAILURE, "stdout");
fclose(info);
return (0);
@ -433,7 +434,7 @@ check_space(const char *savedir, int savedirfd, off_t dumpsize, int bounds)
if (fstatfs(savedirfd, &fsbuf) < 0) {
logmsg(LOG_ERR, "%s: %m", savedir);
exit(1);
exit(EXIT_FAILURE);
}
spacefree = ((off_t) fsbuf.f_bavail * fsbuf.f_bsize) / 1024;
totfree = ((off_t) fsbuf.f_bfree * fsbuf.f_bsize) / 1024;
@ -1123,7 +1124,7 @@ DoFile(const char *savedir, int savedirfd, const char *device)
if (checkfor) {
printf("A dump exists on %s\n", device);
close(fddev);
exit(0);
exit(EXIT_SUCCESS);
}
if (kdhl.panicstring[0] != '\0')
@ -1275,7 +1276,8 @@ DoFile(const char *savedir, int savedirfd, const char *device)
"error while clearing the dump header: %m");
}
xo_close_container_h(xostdout, "crashdump");
xo_finish_h(xostdout);
if (xo_finish_h(xostdout) < 0)
xo_err(EXIT_FAILURE, "stdout");
free(dumpkey);
free(temp);
close(fddev);
@ -1300,7 +1302,7 @@ devify(int argc, char **argv)
devs = malloc(argc * sizeof(*argv));
if (devs == NULL) {
logmsg(LOG_ERR, "malloc(): %m");
exit(1);
exit(EXIT_FAILURE);
}
for (i = 0; i < argc; i++) {
if (strncmp(argv[i], _PATH_DEV, sizeof(_PATH_DEV) - 1) == 0)
@ -1311,16 +1313,16 @@ devify(int argc, char **argv)
fullpath = malloc(PATH_MAX);
if (fullpath == NULL) {
logmsg(LOG_ERR, "malloc(): %m");
exit(1);
exit(EXIT_FAILURE);
}
l = snprintf(fullpath, PATH_MAX, "%s%s", _PATH_DEV,
argv[i]);
if (l < 0) {
logmsg(LOG_ERR, "snprintf(): %m");
exit(1);
exit(EXIT_FAILURE);
} else if (l >= PATH_MAX) {
logmsg(LOG_ERR, "device name too long");
exit(1);
exit(EXIT_FAILURE);
}
devs[i] = fullpath;
}
@ -1345,7 +1347,7 @@ enum_dumpdevs(int *argcp)
argv = malloc(n * sizeof(*argv));
if (argv == NULL) {
logmsg(LOG_ERR, "malloc(): %m");
exit(1);
exit(EXIT_FAILURE);
}
for (;;) {
fsp = getfsent();
@ -1359,13 +1361,13 @@ enum_dumpdevs(int *argcp)
argv = realloc(argv, n * sizeof(*argv));
if (argv == NULL) {
logmsg(LOG_ERR, "realloc(): %m");
exit(1);
exit(EXIT_FAILURE);
}
}
argv[argc] = strdup(fsp->fs_spec);
if (argv[argc] == NULL) {
logmsg(LOG_ERR, "strdup(): %m");
exit(1);
exit(EXIT_FAILURE);
}
argc++;
}
@ -1382,7 +1384,7 @@ init_caps(int argc, char **argv)
capcas = cap_init();
if (capcas == NULL) {
logmsg(LOG_ERR, "cap_init(): %m");
exit(1);
exit(EXIT_FAILURE);
}
/*
* The fileargs capability does not currently provide a way to limit
@ -1393,18 +1395,18 @@ init_caps(int argc, char **argv)
0, &rights, FA_OPEN);
if (capfa == NULL) {
logmsg(LOG_ERR, "fileargs_init(): %m");
exit(1);
exit(EXIT_FAILURE);
}
caph_cache_catpages();
caph_cache_tzdata();
if (caph_enter_casper() != 0) {
logmsg(LOG_ERR, "caph_enter_casper(): %m");
exit(1);
exit(EXIT_FAILURE);
}
capsyslog = cap_service_open(capcas, "system.syslog");
if (capsyslog == NULL) {
logmsg(LOG_ERR, "cap_service_open(system.syslog): %m");
exit(1);
exit(EXIT_FAILURE);
}
cap_close(capcas);
}
@ -1417,7 +1419,7 @@ usage(void)
" savecore -C [-v] [device ...]",
" savecore -L [-fvZz] [-m maxdumps] [directory]",
" savecore [-fkuvz] [-m maxdumps] [directory [device ...]]");
exit(1);
exit(EXIT_FAILURE);
}
int
@ -1439,7 +1441,7 @@ main(int argc, char **argv)
argc = xo_parse_args(argc, argv);
if (argc < 0)
exit(1);
exit(EXIT_FAILURE);
while ((ch = getopt(argc, argv, "CcfkLm:uvZz")) != -1)
switch(ch) {
@ -1462,7 +1464,7 @@ main(int argc, char **argv)
maxdumps = atoi(optarg);
if (maxdumps <= 0) {
logmsg(LOG_ERR, "Invalid maxdump value");
exit(1);
exit(EXIT_FAILURE);
}
break;
case 'u':
@ -1502,7 +1504,7 @@ main(int argc, char **argv)
error = chdir(argv[0]);
if (error) {
logmsg(LOG_ERR, "chdir(%s): %m", argv[0]);
exit(1);
exit(EXIT_FAILURE);
}
savedir = argv[0];
argc--;
@ -1524,7 +1526,7 @@ main(int argc, char **argv)
savedirfd = open(savedir, O_RDONLY | O_DIRECTORY);
if (savedirfd < 0) {
logmsg(LOG_ERR, "open(%s): %m", savedir);
exit(1);
exit(EXIT_FAILURE);
}
(void)cap_rights_init(&rights, CAP_CREATE, CAP_FCNTL, CAP_FSTATAT,
CAP_FSTATFS, CAP_PREAD, CAP_SYMLINKAT, CAP_FTRUNCATE, CAP_UNLINKAT,
@ -1534,7 +1536,7 @@ main(int argc, char **argv)
CAP_RENAMEAT_TARGET);
if (caph_rights_limit(savedirfd, &rights) < 0) {
logmsg(LOG_ERR, "cap_rights_limit(): %m");
exit(1);
exit(EXIT_FAILURE);
}
/* Enter capability mode. */
@ -1547,7 +1549,7 @@ main(int argc, char **argv)
if (checkfor) {
if (verbose)
printf("No dump exists\n");
exit(1);
exit(EXIT_FAILURE);
}
if (verbose)
logmsg(LOG_WARNING, "no dumps found");
@ -1556,14 +1558,14 @@ main(int argc, char **argv)
if (verbose)
logmsg(LOG_WARNING,
"unsaved dumps found but not saved");
exit(1);
exit(EXIT_FAILURE);
} else if (verbose)
logmsg(LOG_WARNING, "no unsaved dumps found");
} else if (verbose) {
logmsg(LOG_NOTICE, "%d cores saved in %s\n", nsaved, savedir);
}
return (0);
exit(EXIT_SUCCESS);
}
static void