getpart: Fixed base64 encoded parts following commit e17c1b25bc33eb

diff --git a/tests/server/getpart.c b/tests/server/getpart.c
index b00e852..6545873 100644 (file)
--- a/tests/server/getpart.c
+++ b/tests/server/getpart.c
@@ -152,46 +152,27 @@ static int appenddata(char  **dst_buf,   /* dest buffer */
                       char   *src_buf,   /* source buffer */
                       int     src_b64)   /* != 0 if source is base64 encoded */
 {
-  size_t need_alloc, src_len;
-  union {
-    unsigned char *as_uchar;
-             char *as_char;
-  } buf64;
+  size_t need_alloc = 0;
+  size_t src_len = strlen(src_buf);
 
-  src_len = strlen(src_buf);
   if(!src_len)
     return GPE_OK;
 
-  buf64.as_char = NULL;
+  need_alloc = src_len + *dst_len + 1;
 
   if(src_b64) {
-    /* base64 decode the given buffer */
-    int error = (int) Curl_base64_decode(src_buf, &buf64.as_uchar, &src_len);
-    if(error)
-      return GPE_OUT_OF_MEMORY;
-    src_buf = buf64.as_char;
-    if(!src_len || !src_buf) {
-      /*
-      ** currently there is no way to tell apart an OOM condition in
-      ** Curl_base64_decode() from zero length decoded data. For now,
-      ** let's just assume it is an OOM condition, currently we have
-      ** no input for this function that decodes to zero length data.
-      */
-      if(buf64.as_char)
-        free(buf64.as_char);
-      return GPE_OUT_OF_MEMORY;
-    }
-  }
+    if(src_buf[src_len - 1] == '\r')
+      src_len--;
 
-  need_alloc = src_len + *dst_len + 1;
+    if(src_buf[src_len - 1] == '\n')
+      src_len--;
+  }
 
   /* enlarge destination buffer if required */
   if(need_alloc > *dst_alloc) {
     size_t newsize = need_alloc * 2;
     char *newptr = realloc(*dst_buf, newsize);
     if(!newptr) {
-      if(buf64.as_char)
-        free(buf64.as_char);
       return GPE_OUT_OF_MEMORY;
     }
     *dst_alloc = newsize;
@@ -203,8 +184,43 @@ static int appenddata(char  **dst_buf,   /* dest buffer */
   *dst_len += src_len;
   *(*dst_buf + *dst_len) = '\0';
 
-  if(buf64.as_char)
-    free(buf64.as_char);
+  return GPE_OK;
+}
+
+static int decodedata(char  **buf,   /* dest buffer */
+                      size_t *len)   /* dest buffer data length */
+{
+  int error = 0;
+  char *buf64 = NULL;
+  size_t src_len = 0;
+
+  if(!*len)
+    return GPE_OK;
+
+  /* base64 decode the given buffer */
+  error = (int) Curl_base64_decode(*buf, (unsigned char **) &buf64, &src_len);
+  if(error)
+    return GPE_OUT_OF_MEMORY;
+
+  if(!src_len) {
+    /*
+    ** currently there is no way to tell apart an OOM condition in
+    ** Curl_base64_decode() from zero length decoded data. For now,
+    ** let's just assume it is an OOM condition, currently we have
+    ** no input for this function that decodes to zero length data.
+    */
+    if(buf64)
+      free(buf64);
+
+    return GPE_OUT_OF_MEMORY;
+  }
+
+  /* memcpy to support binary blobs */
+  memcpy(*buf, buf64, src_len);
+  *len = src_len;
+  *(*buf + src_len) = '\0';
+
+  free(buf64);
 
   return GPE_OK;
 }
@@ -308,6 +324,13 @@ int getpart(char **outbuf, size_t *outlen,
         if(in_wanted_part) {
           /* end of wanted part */
           in_wanted_part = 0;
+
+          /* Do we need to base64 decode the data? */
+          if(base64) {
+            error = decodedata(outbuf, outlen);
+            if(error)
+              return error;
+          }
           break;
         }
       }
@@ -318,6 +341,13 @@ int getpart(char **outbuf, size_t *outlen,
         if(in_wanted_part) {
           /* end of wanted part */
           in_wanted_part = 0;
+
+          /* Do we need to base64 decode the data? */
+          if(base64) {
+            error = decodedata(outbuf, outlen);
+            if(error)
+              return error;
+          }
           break;
         }
       }