lib/libssh
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pki: Limit privkey to 4M for now.

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This commit is contained in:
Andreas Schneider
2013-06-17 12:07:32 +02:00
parent 6f8b5ed679
commit d83b3d9ebe
2 changed files with 7 additions and 0 deletions
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1
include/libssh/pki.h
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@@ -31,6 +31,7 @@
#include "libssh/crypto.h"
#define MAX_PUBKEY_SIZE 0x100000 /* 1M */
#define MAX_PRIVKEY_SIZE 0x400000 /* 4M */
#define SSH_KEY_FLAG_EMPTY 0x0
#define SSH_KEY_FLAG_PUBLIC 0x0001

6
src/pki.c
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@@ -442,6 +442,12 @@ int ssh_pki_import_privkey_file(const char *filename,
return SSH_ERROR;
}
if (sb.st_size > MAX_PRIVKEY_SIZE) {
ssh_pki_log("Private key is bigger than 4M.");
fclose(file);
return SSH_ERROR;
}
key_buf = malloc(sb.st_size + 1);
if (key_buf == NULL) {
fclose(file);