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pki: Add a size limit for pubkey files.

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This commit is contained in:
Andreas Schneider
2012-11-21 12:44:00 +01:00
parent 571dc42335
commit e403596d98
2 changed files with 3 additions and 1 deletions
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2
include/libssh/pki.h
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@@ -31,6 +31,8 @@
#include "libssh/crypto.h" #include "libssh/crypto.h"
#define MAX_PUBKEY_SIZE 0x100000 /* 1M */
#define SSH_KEY_FLAG_EMPTY 0x0 #define SSH_KEY_FLAG_EMPTY 0x0
#define SSH_KEY_FLAG_PUBLIC 0x0001 #define SSH_KEY_FLAG_PUBLIC 0x0001
#define SSH_KEY_FLAG_PRIVATE 0x0002 #define SSH_KEY_FLAG_PRIVATE 0x0002

2
src/pki.c
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@@ -816,7 +816,7 @@ int ssh_pki_import_pubkey_file(const char *filename, ssh_key *pkey)
return SSH_ERROR; return SSH_ERROR;
} }
if (sb.st_size + 1 < sb.st_size) { if (sb.st_size > MAX_PUBKEY_SIZE) {
return SSH_ERROR; return SSH_ERROR;
} }