X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/b5cb1795de1f0959de1e228bd2e784d1cea921a7..61ba94a1d19af33d33408d43cbf54a7c7784bfbc:/package/dropbear/patches/100-pubkey_path.patch

diff --git a/package/dropbear/patches/100-pubkey_path.patch b/package/dropbear/patches/100-pubkey_path.patch
index 3f76e3a74..c1802f51e 100644
--- a/package/dropbear/patches/100-pubkey_path.patch
+++ b/package/dropbear/patches/100-pubkey_path.patch
@@ -1,47 +1,91 @@
-Index: dropbear-0.49/svr-authpubkey.c
-===================================================================
---- dropbear-0.49.orig/svr-authpubkey.c	2007-06-04 13:21:39.475975408 +0200
-+++ dropbear-0.49/svr-authpubkey.c	2007-06-04 13:21:39.542965224 +0200
-@@ -176,6 +176,8 @@
+--- a/svr-authpubkey.c
++++ b/svr-authpubkey.c
+@@ -209,17 +209,21 @@ static int checkpubkey(unsigned char* al
  		goto out;
  	}
  
-+	if (ses.authstate.pw->pw_uid != 0) {
+-	/* we don't need to check pw and pw_dir for validity, since
+-	 * its been done in checkpubkeyperms. */
+-	len = strlen(ses.authstate.pw_dir);
+-	/* allocate max required pathname storage,
+-	 * = path + "/.ssh/authorized_keys" + '\0' = pathlen + 22 */
+-	filename = m_malloc(len + 22);
+-	snprintf(filename, len + 22, "%s/.ssh/authorized_keys", 
+-				ses.authstate.pw_dir);
+-
+-	/* open the file */
+-	authfile = fopen(filename, "r");
++	if (ses.authstate.pw_uid != 0) {
++		/* we don't need to check pw and pw_dir for validity, since
++		 * its been done in checkpubkeyperms. */
++		len = strlen(ses.authstate.pw_dir);
++		/* allocate max required pathname storage,
++		 * = path + "/.ssh/authorized_keys" + '\0' = pathlen + 22 */
++		filename = m_malloc(len + 22);
++		snprintf(filename, len + 22, "%s/.ssh/authorized_keys", 
++		         ses.authstate.pw_dir);
 +
- 	/* we don't need to check pw and pw_dir for validity, since
- 	 * its been done in checkpubkeyperms. */
- 	len = strlen(ses.authstate.pw->pw_dir);
-@@ -187,6 +189,9 @@
- 
- 	/* open the file */
- 	authfile = fopen(filename, "r");
++		/* open the file */
++		authfile = fopen(filename, "r");
 +	} else {
 +		authfile = fopen("/etc/dropbear/authorized_keys","r");
 +	}
  	if (authfile == NULL) {
  		goto out;
  	}
-@@ -274,6 +279,8 @@
+@@ -372,26 +376,35 @@ static int checkpubkeyperms() {
  		goto out;
  	}
  
-+	if (ses.authstate.pw->pw_uid != 0) {
-+
- 	/* allocate max required pathname storage,
- 	 * = path + "/.ssh/authorized_keys" + '\0' = pathlen + 22 */
- 	filename = m_malloc(len + 22);
-@@ -295,6 +302,14 @@
- 	if (checkfileperm(filename) != DROPBEAR_SUCCESS) {
- 		goto out;
- 	}
-+	} else {
+-	/* allocate max required pathname storage,
+-	 * = path + "/.ssh/authorized_keys" + '\0' = pathlen + 22 */
+-	filename = m_malloc(len + 22);
+-	strncpy(filename, ses.authstate.pw_dir, len+1);
+-
+-	/* check ~ */
+-	if (checkfileperm(filename) != DROPBEAR_SUCCESS) {
+-		goto out;
+-	}
+-
+-	/* check ~/.ssh */
+-	strncat(filename, "/.ssh", 5); /* strlen("/.ssh") == 5 */
+-	if (checkfileperm(filename) != DROPBEAR_SUCCESS) {
+-		goto out;
+-	}
+-
+-	/* now check ~/.ssh/authorized_keys */
+-	strncat(filename, "/authorized_keys", 16);
+-	if (checkfileperm(filename) != DROPBEAR_SUCCESS) {
+-		goto out;
++	if (ses.authstate.pw_uid == 0) {
 +		if (checkfileperm("/etc/dropbear") != DROPBEAR_SUCCESS) {
 +			goto out;
 +		}
 +		if (checkfileperm("/etc/dropbear/authorized_keys") != DROPBEAR_SUCCESS) {
 +			goto out;
 +		}
-+	}
++	} else {
++		/* allocate max required pathname storage,
++		 * = path + "/.ssh/authorized_keys" + '\0' = pathlen + 22 */
++		filename = m_malloc(len + 22);
++		strncpy(filename, ses.authstate.pw_dir, len+1);
++
++		/* check ~ */
++		if (checkfileperm(filename) != DROPBEAR_SUCCESS) {
++			goto out;
++		}
++
++		/* check ~/.ssh */
++		strncat(filename, "/.ssh", 5); /* strlen("/.ssh") == 5 */
++		if (checkfileperm(filename) != DROPBEAR_SUCCESS) {
++			goto out;
++		}
++
++		/* now check ~/.ssh/authorized_keys */
++		strncat(filename, "/authorized_keys", 16);
++		if (checkfileperm(filename) != DROPBEAR_SUCCESS) {
++			goto out;
++		}
+ 	}
  
  	/* file looks ok, return success */
- 	ret = DROPBEAR_SUCCESS;