MFH: - Fixed bug #28976 (use From: from headers if sendmail_from is empty)

diff --git a/win32/sendmail.c b/win32/sendmail.c
index 98659d4db48f155de6bbccca6ecc9f58842a1399..07e1275cb2bf4300989ccd9c43f7a6120daf5d5f 100644 (file)
--- a/win32/sendmail.c
+++ b/win32/sendmail.c
@@ -225,6 +225,7 @@ PHPAPI int TSendMail(char *host, int *error, char **error_message,
        int ret;
        char *RPath = NULL;
        char *headers_lc = NULL; /* headers_lc is only created if we've a header at all */
+       char *pos1 = NULL, *pos2 = NULL;
        TSRMLS_FETCH();
 
 #ifndef NETWARE
@@ -266,9 +267,21 @@ PHPAPI int TSendMail(char *host, int *error, char **error_message,
        /* Fall back to sendmail_from php.ini setting */
        if (mailRPath && *mailRPath) {
                RPath = estrdup(mailRPath);
-       }
-       else if (INI_STR("sendmail_from")) {
+       } else if (INI_STR("sendmail_from")) {
                RPath = estrdup(INI_STR("sendmail_from"));
+       } else if (     headers_lc &&
+                               (pos1 = strstr(headers_lc, "from:")) &&
+                               ((pos1 == headers_lc) || (*(pos1-1) == '\n'))
+       ) {
+               /* Real offset is memaddress from the original headers + difference of
+                * string found in the lowercase headrs + 5 characters to jump over   
+                * the from: */
+               pos1 = headers + (pos1 - headers_lc) + 5;
+               if (NULL == (pos2 = strstr(pos1, "\r\n"))) {
+                       RPath = estrndup(pos1, strlen(pos1));
+               } else {
+                       RPath = estrndup(pos1, pos2-pos1);
+               }
        } else {
                if (headers) {
                        efree(headers);