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conf: create directories before dropping root

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Create logdir and dumpdir before dropping root. Set their uid/gid to the
user chronyd will switch to. This allows chronyd to create the
directories in a directory where the user won't have write permissions
(e.g. /var/lib).
This commit is contained in:
Miroslav Lichvar
2015-08-10 17:02:12 +02:00
parent e7100e106d
commit 6d42dd8603
6 changed files with 29 additions and 30 deletions
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30
sources.c
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@@ -1092,23 +1092,23 @@ SRC_DumpSources(void)
direc_len = strlen(direc);
file_len = direc_len + 24;
filename = MallocArray(char, file_len); /* a bit of slack */
if (UTI_CreateDirAndParents(direc, 0755, 0, 0)) {
for (i=0; i<n_sources; i++) {
a = (sources[i]->ref_id) >> 24;
b = ((sources[i]->ref_id) >> 16) & 0xff;
c = ((sources[i]->ref_id) >> 8) & 0xff;
d = ((sources[i]->ref_id)) & 0xff;
snprintf(filename, file_len-1, "%s/%d.%d.%d.%d.dat", direc, a, b, c, d);
out = fopen(filename, "w");
if (!out) {
LOG(LOGS_WARN, LOGF_Sources, "Could not open dump file %s", filename);
} else {
SST_SaveToFile(sources[i]->stats, out);
fclose(out);
}
for (i = 0; i < n_sources; i++) {
a = (sources[i]->ref_id) >> 24;
b = ((sources[i]->ref_id) >> 16) & 0xff;
c = ((sources[i]->ref_id) >> 8) & 0xff;
d = ((sources[i]->ref_id)) & 0xff;
snprintf(filename, file_len - 1, "%s/%d.%d.%d.%d.dat", direc, a, b, c, d);
out = fopen(filename, "w");
if (!out) {
LOG(LOGS_WARN, LOGF_Sources, "Could not open dump file %s", filename);
} else {
SST_SaveToFile(sources[i]->stats, out);
fclose(out);
}
}
Free(filename);
}