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Abort with internal inconsistency on duplicate or misplaced hash and prevhash records in content file

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This commit is contained in:
Andrea Mazzoleni 2026-08-27 18:13:27 +02:00
parent f2bb36120c
commit c5f6d3c574
1 changed files with 22 additions and 0 deletions
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22
cmdline/state.c
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@ -2221,6 +2221,8 @@ static void state_read_content(struct snapraid_state* state, const char* path, S
int crc_checked;
int has_block_size;
int has_hash_size;
int has_hash;
int has_prevhash;
char buffer[PATH_MAX];
int ret;
tommy_array disk_mapping;
@ -2239,6 +2241,8 @@ static void state_read_content(struct snapraid_state* state, const char* path, S
crc_checked = 0;
has_block_size = 0;
has_hash_size = 0;
has_hash = 0;
has_prevhash = 0;
mapping_max = 0;
tommy_array_init(&disk_mapping);
tommy_hashdyn_init(&bucket_hash);
@ -2994,6 +2998,15 @@ static void state_read_content(struct snapraid_state* state, const char* path, S
/* stat */
++count_dir;
} else if (c == 'c') {
if (has_hash || mapping_max != 0) {
/* LCOV_EXCL_START */
decoding_error(path, f);
log_fatal(EINTERNAL, "Internal inconsistency: Duplicate or misplaced 'hash' in the content file!\n");
os_abort();
/* LCOV_EXCL_STOP */
}
has_hash = 1;
/* get the subcommand */
c = sgetc(f);
@ -3021,6 +3034,15 @@ static void state_read_content(struct snapraid_state* state, const char* path, S
/* LCOV_EXCL_STOP */
}
} else if (c == 'C') {
if (has_prevhash || mapping_max != 0) {
/* LCOV_EXCL_START */
decoding_error(path, f);
log_fatal(EINTERNAL, "Internal inconsistency: Duplicate or misplaced 'prevhash' in the content file!\n");
os_abort();
/* LCOV_EXCL_STOP */
}
has_prevhash = 1;
/* get the sub-command */
c = sgetc(f);