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Added more internal integrity checks.

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index_add_md5() barfs if the md5 is not valid.
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default 2024-04-30 09:27:33 +02:00
parent 96830967e1
commit 4e23570c21
1 changed files with 12 additions and 1 deletions
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13
data.c
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@ -340,6 +340,12 @@ double f_ctime(const char *fn)
} }
int is_md5_hex(const char *md5)
{
return xs_is_hex(md5) && strlen(md5) == 32;
}
/** database 2.1+ **/ /** database 2.1+ **/
/** indexes **/ /** indexes **/
@ -351,6 +357,11 @@ int index_add_md5(const char *fn, const char *md5)
int status = 201; /* Created */ int status = 201; /* Created */
FILE *f; FILE *f;
if (!is_md5_hex(md5)) {
srv_log(xs_fmt("index_add_md5: bad md5 %s %s", fn, md5));
return 400;
}
pthread_mutex_lock(&data_mutex); pthread_mutex_lock(&data_mutex);
if ((f = fopen(fn, "a")) != NULL) { if ((f = fopen(fn, "a")) != NULL) {
@ -606,7 +617,7 @@ static xs_str *_object_fn_by_md5(const char *md5, const char *func)
if (md5[0] == '-') if (md5[0] == '-')
ok = 0; ok = 0;
else else
if (!xs_is_hex(md5) || strlen(md5) != 32) { if (!is_md5_hex(md5)) {
srv_log(xs_fmt("_object_fn_by_md5() [from %s()]: bad md5 '%s'", func, md5)); srv_log(xs_fmt("_object_fn_by_md5() [from %s()]: bad md5 '%s'", func, md5));
ok = 0; ok = 0;
} }