directory rename detection: partially renamed directory testcase/discussion

diff --git a/imap-send.c b/imap-send.c
index ffbf266b2fe9d3940ee66514a422dc8a08cdc8b5..36c7c1b4f6195b2d2f00013611a5d0aa96ecf408 100644 (file)
--- a/imap-send.c
+++ b/imap-send.c
@@ -18,11 +18,11 @@
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 #include "cache.h"
+#include "config.h"
 #include "credential.h"
 #include "exec_cmd.h"
 #include "run-command.h"
@@ -34,11 +34,11 @@ typedef void *SSL;
 #include "http.h"
 #endif
 
-#if defined(USE_CURL_FOR_IMAP_SEND) && defined(NO_OPENSSL)
-/* only available option */
+#if defined(USE_CURL_FOR_IMAP_SEND)
+/* Always default to curl if it's available. */
 #define USE_CURL_DEFAULT 1
 #else
-/* strictly opt in */
+/* We don't have curl, so continue to use the historical implementation */
 #define USE_CURL_DEFAULT 0
 #endif
 
@@ -683,7 +683,7 @@ static int parse_response_code(struct imap_store *ctx, struct imap_cmd_cb *cb,
        struct imap *imap = ctx->imap;
        char *arg, *p;
 
-       if (*s != '[')
+       if (!s || *s != '[')
                return RESP_OK;         /* no response code */
        s++;
        if (!(p = strchr(s, ']'))) {
@@ -785,8 +785,7 @@ static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd)
                               offsetof(struct imap_cmd, next));
                        if (cmdp->cb.data) {
                                n = socket_write(&imap->buf.sock, cmdp->cb.data, cmdp->cb.dlen);
-                               free(cmdp->cb.data);
-                               cmdp->cb.data = NULL;
+                               FREE_AND_NULL(cmdp->cb.data);
                                if (n != (int)cmdp->cb.dlen)
                                        return RESP_BAD;
                        } else if (cmdp->cb.cont) {
@@ -872,7 +871,7 @@ static char hexchar(unsigned int b)
        return b < 10 ? '0' + b : 'a' + (b - 10);
 }
 
-#define ENCODED_SIZE(n) (4*((n+2)/3))
+#define ENCODED_SIZE(n) (4 * DIV_ROUND_UP((n), 3))
 static char *cram(const char *challenge_64, const char *user, const char *pass)
 {
        int i, resp_len, encoded_len, decoded_len;
@@ -937,6 +936,25 @@ static int auth_cram_md5(struct imap_store *ctx, struct imap_cmd *cmd, const cha
        return 0;
 }
 
+static void server_fill_credential(struct imap_server_conf *srvc, struct credential *cred)
+{
+       if (srvc->user && srvc->pass)
+               return;
+
+       cred->protocol = xstrdup(srvc->use_ssl ? "imaps" : "imap");
+       cred->host = xstrdup(srvc->host);
+
+       cred->username = xstrdup_or_null(srvc->user);
+       cred->password = xstrdup_or_null(srvc->pass);
+
+       credential_fill(cred);
+
+       if (!srvc->user)
+               srvc->user = xstrdup(cred->username);
+       if (!srvc->pass)
+               srvc->pass = xstrdup(cred->password);
+}
+
 static struct imap_store *imap_open_store(struct imap_server_conf *srvc, char *folder)
 {
        struct credential cred = CREDENTIAL_INIT;
@@ -975,7 +993,7 @@ static struct imap_store *imap_open_store(struct imap_server_conf *srvc, char *f
                int gai;
                char portstr[6];
 
-               snprintf(portstr, sizeof(portstr), "%d", srvc->port);
+               xsnprintf(portstr, sizeof(portstr), "%d", srvc->port);
 
                memset(&hints, 0, sizeof(hints));
                hints.ai_socktype = SOCK_STREAM;
@@ -1089,20 +1107,7 @@ static struct imap_store *imap_open_store(struct imap_server_conf *srvc, char *f
                }
 #endif
                imap_info("Logging in...\n");
-               if (!srvc->user || !srvc->pass) {
-                       cred.protocol = xstrdup(srvc->use_ssl ? "imaps" : "imap");
-                       cred.host = xstrdup(srvc->host);
-
-                       cred.username = xstrdup_or_null(srvc->user);
-                       cred.password = xstrdup_or_null(srvc->pass);
-
-                       credential_fill(&cred);
-
-                       if (!srvc->user)
-                               srvc->user = xstrdup(cred.username);
-                       if (!srvc->pass)
-                               srvc->pass = xstrdup(cred.password);
-               }
+               server_fill_credential(srvc, &cred);
 
                if (srvc->auth_method) {
                        struct imap_cmd_cb cb;
@@ -1403,10 +1408,11 @@ static int append_msgs_to_imap(struct imap_server_conf *server,
 }
 
 #ifdef USE_CURL_FOR_IMAP_SEND
-static CURL *setup_curl(struct imap_server_conf *srvc)
+static CURL *setup_curl(struct imap_server_conf *srvc, struct credential *cred)
 {
        CURL *curl;
        struct strbuf path = STRBUF_INIT;
+       char *uri_encoded_folder;
 
        if (curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK)
                die("curl_global_init failed");
@@ -1416,6 +1422,7 @@ static CURL *setup_curl(struct imap_server_conf *srvc)
        if (!curl)
                die("curl_easy_init failed");
 
+       server_fill_credential(&server, cred);
        curl_easy_setopt(curl, CURLOPT_USERNAME, server.user);
        curl_easy_setopt(curl, CURLOPT_PASSWORD, server.pass);
 
@@ -1423,7 +1430,12 @@ static CURL *setup_curl(struct imap_server_conf *srvc)
        strbuf_addstr(&path, server.host);
        if (!path.len || path.buf[path.len - 1] != '/')
                strbuf_addch(&path, '/');
-       strbuf_addstr(&path, server.folder);
+
+       uri_encoded_folder = curl_easy_escape(curl, server.folder, 0);
+       if (!uri_encoded_folder)
+               die("failed to encode server folder");
+       strbuf_addstr(&path, uri_encoded_folder);
+       curl_free(uri_encoded_folder);
 
        curl_easy_setopt(curl, CURLOPT_URL, path.buf);
        strbuf_release(&path);
@@ -1465,8 +1477,9 @@ static int curl_append_msgs_to_imap(struct imap_server_conf *server,
        struct buffer msgbuf = { STRBUF_INIT, 0 };
        CURL *curl;
        CURLcode res = CURLE_OK;
+       struct credential cred = CREDENTIAL_INIT;
 
-       curl = setup_curl(server);
+       curl = setup_curl(server, &cred);
        curl_easy_setopt(curl, CURLOPT_READDATA, &msgbuf);
 
        fprintf(stderr, "sending %d message%s\n", total, (total != 1) ? "s" : "");
@@ -1501,7 +1514,20 @@ static int curl_append_msgs_to_imap(struct imap_server_conf *server,
        curl_easy_cleanup(curl);
        curl_global_cleanup();
 
-       return 0;
+       if (cred.username) {
+               if (res == CURLE_OK)
+                       credential_approve(&cred);
+#if LIBCURL_VERSION_NUM >= 0x070d01
+               else if (res == CURLE_LOGIN_DENIED)
+#else
+               else
+#endif
+                       credential_reject(&cred);
+       }
+
+       credential_clear(&cred);
+
+       return res != CURLE_OK;
 }
 #endif