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scd: Fix resource leaks on error paths.

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* scd/app-dinsig.c (do_readcert): Don't return directly but care about
releasing memory.
* scd/app-nks.c (readcert_from_ef): Likewise.

--

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2024-11-11 09:51:54 +09:00
parent d37971b45f
commit b1f2695d24
No known key found for this signature in database
GPG Key ID: 640114AF89DE6054
2 changed files with 13 additions and 4 deletions
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5
scd/app-dinsig.c
View File

@ -226,7 +226,10 @@ do_readcert (app_t app, const char *certid,
else if ( class == CLASS_UNIVERSAL && tag == TAG_SET && constructed )
rootca = 1;
else
return gpg_error (GPG_ERR_INV_OBJ);
{
err = gpg_error (GPG_ERR_INV_OBJ);
goto leave;
}
totobjlen = objlen + hdrlen;
log_assert (totobjlen <= buflen);

12
scd/app-nks.c
View File

@ -999,7 +999,10 @@ readcert_from_ef (app_t app, int fid, unsigned char **cert, size_t *certlen)
else if ( class == CLASS_UNIVERSAL && tag == TAG_SET && constructed )
rootca = 1;
else
return gpg_error (GPG_ERR_INV_OBJ);
{
err = gpg_error (GPG_ERR_INV_OBJ);
goto leave;
}
totobjlen = objlen + hdrlen;
log_assert (totobjlen <= buflen);
@ -1030,7 +1033,10 @@ readcert_from_ef (app_t app, int fid, unsigned char **cert, size_t *certlen)
if (err)
goto leave;
if ( !(class == CLASS_UNIVERSAL && tag == TAG_SEQUENCE && constructed) )
return gpg_error (GPG_ERR_INV_OBJ);
{
err = gpg_error (GPG_ERR_INV_OBJ);
goto leave;
}
totobjlen = objlen + hdrlen;
log_assert (save_p + totobjlen <= buffer + buflen);
memmove (buffer, save_p, totobjlen);
@ -1144,7 +1150,7 @@ iterate_over_filelist (app_t app, const char *want_keygripstr, int capability,
continue;
}
/* Found. Return but save the last idenx of the loop. */
/* Found. Return but save the last index of the loop. */
*idx_p = idx;
return 0;
}