James Cone's efforts to add another netrc parsing "mode"

1 files changed, 46 insertions, 6 deletions

diff --git a/lib/netrc.c b/lib/netrc.c
index 46f225511..e3b4a4aea 100644
--- a/lib/netrc.c
+++ b/lib/netrc.c
@@ -78,12 +78,15 @@ int Curl_parsenetrc(char *host,
   FILE *file;
   char netrcbuffer[256];
   int retcode=1;
+
+  int specific_login = (login[0] != 0);
   
   char *home = NULL; 
   int state=NOTHING;
 
-  char state_login=0;
-  char state_password=0;
+  char state_login=0;      /* Found a login keyword */
+  char state_password=0;   /* Found a password keyword */
+  char state_our_login=0;  /* With specific_login, found *our* login name */
 
 #define NETRC DOT_CHAR "netrc"
 
@@ -116,6 +119,30 @@ int Curl_parsenetrc(char *host,
 
   sprintf(netrcbuffer, "%s%s%s", home, DIR_CHAR, NETRC);
 
+#ifdef MALLOCDEBUG
+  {
+    /* This is a hack to allow testing.
+     * If compiled with --enable-debug and CURL_DEBUG_NETRC is defined,
+     * then it's the path to a substitute .netrc for testing purposes *only* */
+
+    char *override = curl_getenv("CURL_DEBUG_NETRC");
+
+    if (override != NULL) {
+      printf("NETRC: overridden .netrc file: %s\n", home);
+
+      if (strlen(override)+1 > sizeof(netrcbuffer)) {
+        free(override);
+        if(NULL==pw)
+          free(home);
+
+        return -1;
+      }
+      strcpy(netrcbuffer, override);
+      free(override);
+    }
+  }
+#endif /* MALLOCDEBUG */
+
   file = fopen(netrcbuffer, "r");
   if(file) {
     char *tok;
@@ -123,6 +150,10 @@ int Curl_parsenetrc(char *host,
     while(fgets(netrcbuffer, sizeof(netrcbuffer), file)) {
       tok=strtok_r(netrcbuffer, " \t\n", &tok_buf);
       while(tok) {
+
+        if (login[0] && password[0])
+          goto done;
+
 	switch(state) {
 	case NOTHING:
 	  if(strequal("machine", tok)) {
@@ -149,17 +180,23 @@ int Curl_parsenetrc(char *host,
 	case HOSTVALID:
 	  /* we are now parsing sub-keywords concerning "our" host */
 	  if(state_login) {
-	    strncpy(login, tok, LOGINSIZE-1);
+            if (specific_login) {
+              state_our_login = strequal(login, tok);
+            }else{
+              strncpy(login, tok, LOGINSIZE-1);
 #ifdef _NETRC_DEBUG
-	    printf("LOGIN: %s\n", login);
+	      printf("LOGIN: %s\n", login);
 #endif
+            }
 	    state_login=0;
 	  }
 	  else if(state_password) {
-	    strncpy(password, tok, PASSWORDSIZE-1);
+            if (state_our_login || !specific_login) {
+              strncpy(password, tok, PASSWORDSIZE-1);
 #ifdef _NETRC_DEBUG
-	    printf("PASSWORD: %s\n", password);
+              printf("PASSWORD: %s\n", password);
 #endif
+            }
 	    state_password=0;
 	  }
 	  else if(strequal("login", tok))
@@ -169,13 +206,16 @@ int Curl_parsenetrc(char *host,
 	  else if(strequal("machine", tok)) {
 	    /* ok, there's machine here go => */
 	    state = HOSTFOUND;
+            state_our_login = 0;
 	  }
 	  break;
 	} /* switch (state) */
+
 	tok = strtok_r(NULL, " \t\n", &tok_buf);
       } /* while (tok) */
     } /* while fgets() */
 
+done:
     fclose(file);
   }