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bootspec: don't follow symlinks when opening type1/type2 files

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let's not follow symlinks when going from enumeraiton dir to enumerated
file either.
This commit is contained in:
Lennart Poettering 2022-09-07 18:22:11 +02:00
parent 2683ae2d73
commit f2c513048c
1 changed files with 2 additions and 2 deletions
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4
src/shared/bootspec.c
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@ -629,7 +629,7 @@ static int boot_entries_find_type1(
if (!endswith_no_case(de->d_name, ".conf"))
continue;
r = xfopenat(dir_fd, de->d_name, "re", 0, &f);
r = xfopenat(dir_fd, de->d_name, "re", O_NOFOLLOW|O_NOCTTY, &f);
if (r < 0) {
log_warning_errno(r, "Failed to open %s/%s, ignoring: %m", full, de->d_name);
continue;
@ -888,7 +888,7 @@ static int boot_entries_find_unified(
if (!GREEDY_REALLOC0(config->entries, config->n_entries + 1))
return log_oom();
fd = openat(dirfd(d), de->d_name, O_RDONLY|O_CLOEXEC|O_NONBLOCK);
fd = openat(dirfd(d), de->d_name, O_RDONLY|O_CLOEXEC|O_NONBLOCK|O_NOFOLLOW|O_NOCTTY);
if (fd < 0) {
log_warning_errno(errno, "Failed to open %s/%s, ignoring: %m", full, de->d_name);
continue;