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Diffstat (limited to 'dev-libs/cyrus-sasl/files/cyrus-sasl-2.1.19-checkpw.c.patch')
-rw-r--r--dev-libs/cyrus-sasl/files/cyrus-sasl-2.1.19-checkpw.c.patch170
1 files changed, 170 insertions, 0 deletions
diff --git a/dev-libs/cyrus-sasl/files/cyrus-sasl-2.1.19-checkpw.c.patch b/dev-libs/cyrus-sasl/files/cyrus-sasl-2.1.19-checkpw.c.patch
new file mode 100644
index 0000000..f7bf44b
--- /dev/null
+++ b/dev-libs/cyrus-sasl/files/cyrus-sasl-2.1.19-checkpw.c.patch
@@ -0,0 +1,170 @@
+diff -ur ../cyrus-sasl-2.1.19.orig/lib/Makefile.in ./lib/Makefile.in
+--- ../cyrus-sasl-2.1.19.orig/lib/Makefile.in 2004-07-02 21:40:15.000000000 +0200
++++ ./lib/Makefile.in 2004-09-07 13:21:22.746680576 +0200
+@@ -120,7 +120,7 @@
+ JAVA_TRUE = @JAVA_TRUE@
+ LDFLAGS = @LDFLAGS@
+ LIBOBJS = @LIBOBJS@
+-LIBS = @LIBS@
++LIBS = -lcrypt @LIBS@
+ LIBTOOL = @LIBTOOL@
+ LIB_CRYPT = @LIB_CRYPT@
+ LIB_DES = @LIB_DES@
+diff -ur ../cyrus-sasl-2.1.19.orig/lib/checkpw.c ./lib/checkpw.c
+--- ../cyrus-sasl-2.1.19.orig/lib/checkpw.c 2004-03-17 14:58:13.000000000 +0100
++++ ./lib/checkpw.c 2004-09-07 13:21:12.645916147 +0200
+@@ -94,6 +94,23 @@
+ # endif
+ #endif
+
++/******************************
++ * crypt(3) patch start *
++ ******************************/
++char *crypt(const char *key, const char *salt);
++
++/* cleartext password formats */
++#define PASSWORD_FORMAT_CLEARTEXT 1
++#define PASSWORD_FORMAT_CRYPT 2
++#define PASSWORD_FORMAT_CRYPTTRAD 3
++#define PASSWORD_SALT_BUF_LEN 22
++
++/* weeds out crypt(3) password's salt */
++int _sasl_get_salt (char *dest, char *src, int format);
++
++/******************************
++ * crypt(3) patch stop *
++ ******************************/
+
+ /* we store the following secret to check plaintext passwords:
+ *
+@@ -143,7 +160,51 @@
+ "*cmusaslsecretPLAIN",
+ NULL };
+ struct propval auxprop_values[3];
+-
++
++ /******************************
++ * crypt(3) patch start *
++ * for password format check *
++ ******************************/
++ sasl_getopt_t *getopt;
++ void *context;
++ const char *p = NULL;
++ /**
++ * MD5: 12 char salt
++ * BLOWFISH: 16 char salt
++ */
++ char salt[PASSWORD_SALT_BUF_LEN];
++ int password_format;
++
++ /* get password format from auxprop configuration */
++ if (_sasl_getcallback(conn, SASL_CB_GETOPT, &getopt, &context) == SASL_OK) {
++ getopt(context, NULL, "password_format", &p, NULL);
++ }
++
++ /* set password format */
++ if (p) {
++ /*
++ memset(pass_format_str, '\0', PASSWORD_FORMAT_STR_LEN);
++ strncpy(pass_format_str, p, (PASSWORD_FORMAT_STR_LEN - 1));
++ */
++ /* modern, modular crypt(3) */
++ if (strncmp(p, "crypt", 11) == 0)
++ password_format = PASSWORD_FORMAT_CRYPT;
++ /* traditional crypt(3) */
++ else if (strncmp(p, "crypt_trad", 11) == 0)
++ password_format = PASSWORD_FORMAT_CRYPTTRAD;
++ /* cleartext password */
++ else
++ password_format = PASSWORD_FORMAT_CLEARTEXT;
++ } else {
++ /* cleartext password */
++ password_format = PASSWORD_FORMAT_CLEARTEXT;
++ }
++
++ /******************************
++ * crypt(3) patch stop *
++ * for password format check *
++ ******************************/
++
+ if (!conn || !userstr)
+ return SASL_BADPARAM;
+
+@@ -180,14 +241,31 @@
+ goto done;
+ }
+
+- /* At the point this has been called, the username has been canonified
+- * and we've done the auxprop lookup. This should be easy. */
+- if(auxprop_values[0].name
+- && auxprop_values[0].values
+- && auxprop_values[0].values[0]
+- && !strcmp(auxprop_values[0].values[0], passwd)) {
+- /* We have a plaintext version and it matched! */
+- return SASL_OK;
++
++ /******************************
++ * crypt(3) patch start *
++ ******************************/
++
++ /* get salt */
++ _sasl_get_salt(salt, (char *) auxprop_values[0].values[0], password_format);
++
++ /* crypt(3)-ed password? */
++ if (password_format != PASSWORD_FORMAT_CLEARTEXT) {
++ /* compare password */
++ if (auxprop_values[0].name && auxprop_values[0].values && auxprop_values[0].values[0] && strcmp(crypt(passwd, salt), auxprop_values[0].values[0]) == 0)
++ return SASL_OK;
++ else
++ ret = SASL_BADAUTH;
++ }
++ else if (password_format == PASSWORD_FORMAT_CLEARTEXT) {
++ /* compare passwords */
++ if (auxprop_values[0].name && auxprop_values[0].values && auxprop_values[0].values[0] && strcmp(auxprop_values[0].values[0], passwd) == 0)
++ return SASL_OK;
++ else
++ ret = SASL_BADAUTH;
++ /******************************
++ * crypt(3) patch stop *
++ ******************************/
+ } else if(auxprop_values[1].name
+ && auxprop_values[1].values
+ && auxprop_values[1].values[0]) {
+@@ -975,3 +1053,37 @@
+ #endif
+ { NULL, NULL }
+ };
++
++/* weeds out crypt(3) password's salt */
++int _sasl_get_salt (char *dest, char *src, int format) {
++ int num; /* how many characters is salt long? */
++ switch (format) {
++ case PASSWORD_FORMAT_CRYPT:
++ /* md5 crypt */
++ if (src[1] == '1')
++ num = 12;
++ /* blowfish crypt */
++ else if (src[1] == '2')
++ num = (src[1] == '2' && src[2] == 'a') ? 17 : 16;
++ /* traditional crypt */
++ else
++ num = 2;
++ break;
++
++ case PASSWORD_FORMAT_CRYPTTRAD:
++ num = 2;
++ break;
++
++ default:
++ return 1;
++ }
++
++ /* destroy destination */
++ memset(dest, '\0', (num + 1));
++
++ /* copy salt to destination */
++ strncpy(dest, src, num);
++
++ return 1;
++}
++