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-rw-r--r--debian/patches/75_30-Auths-use-uschar-more-in-spa-authenticator.patch226
1 files changed, 226 insertions, 0 deletions
diff --git a/debian/patches/75_30-Auths-use-uschar-more-in-spa-authenticator.patch b/debian/patches/75_30-Auths-use-uschar-more-in-spa-authenticator.patch
new file mode 100644
index 0000000..03958fc
--- /dev/null
+++ b/debian/patches/75_30-Auths-use-uschar-more-in-spa-authenticator.patch
@@ -0,0 +1,226 @@
+From 0519dcfb5f149154a416b54865fd8026abb57791 Mon Sep 17 00:00:00 2001
+From: Jeremy Harris <jgh146exb@wizmail.org>
+Date: Thu, 11 May 2023 18:53:25 +0100
+Subject: [PATCH 2/4] Auths: use uschar more in spa authenticator
+
+---
+ src/src/auths/auth-spa.c | 72 +++++++++++++++++++++-------------------
+ src/src/auths/auth-spa.h | 8 ++---
+ src/src/auths/spa.c | 13 ++++----
+ 3 files changed, 47 insertions(+), 46 deletions(-)
+
+--- a/src/auths/auth-spa.c
++++ b/src/auths/auth-spa.c
+@@ -155,6 +155,9 @@ int main (int argc, char ** argv)
+ up with a different answer to the one above)
+ */
+
++#ifndef MACRO_PREDEF
++
++
+ #define DEBUG_X(a,b) ;
+
+ extern int DEBUGLEVEL;
+@@ -1229,21 +1232,21 @@ else \
+
+ #define spa_string_add(ptr, header, string) \
+ { \
+-char *p = string; \
++uschar * p = string; \
+ int len = 0; \
+-if (p) len = strlen(p); \
+-spa_bytes_add(ptr, header, (US p), len); \
++if (p) len = Ustrlen(p); \
++spa_bytes_add(ptr, header, p, len); \
+ }
+
+ #define spa_unicode_add_string(ptr, header, string) \
+ { \
+-char *p = string; \
+-uschar *b = NULL; \
++uschar * p = string; \
++uschar * b = NULL; \
+ int len = 0; \
+ if (p) \
+ { \
+- len = strlen(p); \
+- b = strToUnicode(p); \
++ len = Ustrlen(p); \
++ b = US strToUnicode(CS p); \
+ } \
+ spa_bytes_add(ptr, header, b, len*2); \
+ }
+@@ -1366,15 +1369,15 @@ fprintf (fp, " Flags = %08x\n", IVA
+ #endif
+
+ void
+-spa_build_auth_request (SPAAuthRequest * request, char *user, char *domain)
++spa_build_auth_request (SPAAuthRequest * request, uschar * user, uschar * domain)
+ {
+-char *u = strdup (user);
+-char *p = strchr (u, '@');
++uschar * u = string_copy(user);
++uschar * p = Ustrchr(u, '@');
+
+ if (p)
+ {
+ if (!domain)
+- domain = p + 1;
++ domain = p + 1;
+ *p = '\0';
+ }
+
+@@ -1384,7 +1387,6 @@ SIVAL (&request->msgType, 0, 1);
+ SIVAL (&request->flags, 0, 0x0000b207); /* have to figure out what these mean */
+ spa_string_add (request, user, u);
+ spa_string_add (request, domain, domain);
+-free (u);
+ }
+
+
+@@ -1475,16 +1477,16 @@ free (u);
+
+ void
+ spa_build_auth_response (SPAAuthChallenge * challenge,
+- SPAAuthResponse * response, char *user,
+- char *password)
++ SPAAuthResponse * response, uschar * user,
++ uschar * password)
+ {
+ uint8x lmRespData[24];
+ uint8x ntRespData[24];
+ uint32x cf = IVAL(&challenge->flags, 0);
+-char *u = strdup (user);
+-char *p = strchr (u, '@');
+-char *d = NULL;
+-char *domain;
++uschar * u = string_copy(user);
++uschar * p = Ustrchr(u, '@');
++uschar * d = NULL;
++uschar * domain;
+
+ if (p)
+ {
+@@ -1492,33 +1494,33 @@ if (p)
+ *p = '\0';
+ }
+
+-else domain = d = strdup((cf & 0x1)?
+- CCS GetUnicodeString(challenge, uDomain) :
+- CCS GetString(challenge, uDomain));
++else domain = d = string_copy(cf & 0x1
++ ? CUS GetUnicodeString(challenge, uDomain)
++ : CUS GetString(challenge, uDomain));
+
+-spa_smb_encrypt (US password, challenge->challengeData, lmRespData);
+-spa_smb_nt_encrypt (US password, challenge->challengeData, ntRespData);
++spa_smb_encrypt(password, challenge->challengeData, lmRespData);
++spa_smb_nt_encrypt(password, challenge->challengeData, ntRespData);
+
+ response->bufIndex = 0;
+ memcpy (response->ident, "NTLMSSP\0\0\0", 8);
+ SIVAL (&response->msgType, 0, 3);
+
+-spa_bytes_add (response, lmResponse, lmRespData, (cf & 0x200) ? 24 : 0);
+-spa_bytes_add (response, ntResponse, ntRespData, (cf & 0x8000) ? 24 : 0);
++spa_bytes_add(response, lmResponse, lmRespData, cf & 0x200 ? 24 : 0);
++spa_bytes_add(response, ntResponse, ntRespData, cf & 0x8000 ? 24 : 0);
+
+ if (cf & 0x1) { /* Unicode Text */
+- spa_unicode_add_string (response, uDomain, domain);
+- spa_unicode_add_string (response, uUser, u);
+- spa_unicode_add_string (response, uWks, u);
++ spa_unicode_add_string(response, uDomain, domain);
++ spa_unicode_add_string(response, uUser, u);
++ spa_unicode_add_string(response, uWks, u);
+ } else { /* OEM Text */
+- spa_string_add (response, uDomain, domain);
+- spa_string_add (response, uUser, u);
+- spa_string_add (response, uWks, u);
++ spa_string_add(response, uDomain, domain);
++ spa_string_add(response, uUser, u);
++ spa_string_add(response, uWks, u);
+ }
+
+-spa_string_add (response, sessionKey, NULL);
++spa_string_add(response, sessionKey, NULL);
+ response->flags = challenge->flags;
+-
+-if (d != NULL) free (d);
+-free (u);
+ }
++
++
++#endif /*!MACRO_PREDEF*/
+--- a/src/auths/auth-spa.h
++++ b/src/auths/auth-spa.h
+@@ -79,10 +79,10 @@ typedef struct
+
+ void spa_bits_to_base64 (unsigned char *, const unsigned char *, int);
+ int spa_base64_to_bits(char *, int, const char *);
+-void spa_build_auth_response (SPAAuthChallenge *challenge,
+- SPAAuthResponse *response, char *user, char *password);
+-void spa_build_auth_request (SPAAuthRequest *request, char *user,
+- char *domain);
++void spa_build_auth_response (SPAAuthChallenge * challenge,
++ SPAAuthResponse * response, uschar * user, uschar * password);
++void spa_build_auth_request (SPAAuthRequest * request, uschar * user,
++ uschar * domain);
+ extern void spa_smb_encrypt (unsigned char * passwd, unsigned char * c8,
+ unsigned char * p24);
+ extern void spa_smb_nt_encrypt (unsigned char * passwd, unsigned char * c8,
+--- a/src/auths/spa.c
++++ b/src/auths/spa.c
+@@ -284,14 +284,13 @@ SPAAuthRequest request;
+ SPAAuthChallenge challenge;
+ SPAAuthResponse response;
+ char msgbuf[2048];
+-char *domain = NULL;
+-char *username, *password;
++uschar * domain = NULL, * username, * password;
+
+ /* Code added by PH to expand the options */
+
+ *buffer = 0; /* Default no message when cancelled */
+
+-if (!(username = CS expand_string(ob->spa_username)))
++if (!(username = expand_string(ob->spa_username)))
+ {
+ if (f.expand_string_forcedfail) return CANCELLED;
+ string_format(buffer, buffsize, "expansion of \"%s\" failed in %s "
+@@ -300,7 +299,7 @@ if (!(username = CS expand_string(ob->sp
+ return ERROR;
+ }
+
+-if (!(password = CS expand_string(ob->spa_password)))
++if (!(password = expand_string(ob->spa_password)))
+ {
+ if (f.expand_string_forcedfail) return CANCELLED;
+ string_format(buffer, buffsize, "expansion of \"%s\" failed in %s "
+@@ -310,7 +309,7 @@ if (!(password = CS expand_string(ob->sp
+ }
+
+ if (ob->spa_domain)
+- if (!(domain = CS expand_string(ob->spa_domain)))
++ if (!(domain = expand_string(ob->spa_domain)))
+ {
+ if (f.expand_string_forcedfail) return CANCELLED;
+ string_format(buffer, buffsize, "expansion of \"%s\" failed in %s "
+@@ -330,7 +329,7 @@ if (!smtp_read_response(sx, US buffer, b
+
+ DSPA("\n\n%s authenticator: using domain %s\n\n", ablock->name, domain);
+
+-spa_build_auth_request(&request, CS username, domain);
++spa_build_auth_request(&request, username, domain);
+ spa_bits_to_base64(US msgbuf, US &request, spa_request_length(&request));
+
+ DSPA("\n\n%s authenticator: sending request (%s)\n\n", ablock->name, msgbuf);
+@@ -347,7 +346,7 @@ if (!smtp_read_response(sx, US buffer, b
+ DSPA("\n\n%s authenticator: challenge (%s)\n\n", ablock->name, buffer + 4);
+ spa_base64_to_bits(CS (&challenge), sizeof(challenge), CCS (buffer + 4));
+
+-spa_build_auth_response(&challenge, &response, CS username, CS password);
++spa_build_auth_response(&challenge, &response, username, password);
+ spa_bits_to_base64(US msgbuf, US &response, spa_request_length(&response));
+ DSPA("\n\n%s authenticator: challenge response (%s)\n\n", ablock->name, msgbuf);
+