Win32: simplify loading of DLL functions

diff --git a/connect.c b/connect.c
index 7f1f80239646cbf6fe2c971a63a21143dbf041e8..49b28b83be2717027ac33570b1041604db5a062d 100644 (file)
--- a/connect.c
+++ b/connect.c
@@ -1,5 +1,6 @@
 #include "git-compat-util.h"
 #include "cache.h"
+#include "config.h"
 #include "pkt-line.h"
 #include "quote.h"
 #include "refs.h"
@@ -71,7 +72,7 @@ static void parse_one_symref_info(struct string_list *symref, const char *val, i
            check_refname_format(target, REFNAME_ALLOW_ONELEVEL))
                /* "symref=bogus:pair */
                goto reject;
-       item = string_list_append(symref, sym);
+       item = string_list_append_nodup(symref, sym);
        item->util = target;
        return;
 reject:
@@ -111,8 +112,8 @@ static void annotate_refs_with_symref_info(struct ref *ref)
  */
 struct ref **get_remote_heads(int in, char *src_buf, size_t src_len,
                              struct ref **list, unsigned int flags,
-                             struct sha1_array *extra_have,
-                             struct sha1_array *shallow_points)
+                             struct oid_array *extra_have,
+                             struct oid_array *shallow_points)
 {
        struct ref **orig_list = list;
 
@@ -153,7 +154,7 @@ struct ref **get_remote_heads(int in, char *src_buf, size_t src_len,
                                die("protocol error: expected shallow sha-1, got '%s'", arg);
                        if (!shallow_points)
                                die("repository on the other end cannot be shallow");
-                       sha1_array_append(shallow_points, old_oid.hash);
+                       oid_array_append(shallow_points, &old_oid);
                        continue;
                }
 
@@ -169,7 +170,7 @@ struct ref **get_remote_heads(int in, char *src_buf, size_t src_len,
                }
 
                if (extra_have && !strcmp(name, ".have")) {
-                       sha1_array_append(extra_have, old_oid.hash);
+                       oid_array_append(extra_have, &old_oid);
                        continue;
                }
 
@@ -577,6 +578,11 @@ static struct child_process *git_proxy_connect(int fd[2], char *host)
 
        get_host_and_port(&host, &port);
 
+       if (looks_like_command_line_option(host))
+               die("strange hostname '%s' blocked", host);
+       if (looks_like_command_line_option(port))
+               die("strange port '%s' blocked", port);
+
        proxy = xmalloc(sizeof(*proxy));
        child_process_init(proxy);
        argv_array_push(&proxy->args, git_proxy_command);
@@ -691,24 +697,46 @@ static const char *get_ssh_command(void)
        return NULL;
 }
 
-static int handle_ssh_variant(const char *ssh_command, int is_cmdline,
-                             int *port_option, int *needs_batch)
+static int override_ssh_variant(int *port_option, int *needs_batch)
+{
+       char *variant;
+
+       variant = xstrdup_or_null(getenv("GIT_SSH_VARIANT"));
+       if (!variant &&
+           git_config_get_string("ssh.variant", &variant))
+               return 0;
+
+       if (!strcmp(variant, "plink") || !strcmp(variant, "putty")) {
+               *port_option = 'P';
+               *needs_batch = 0;
+       } else if (!strcmp(variant, "tortoiseplink")) {
+               *port_option = 'P';
+               *needs_batch = 1;
+       } else {
+               *port_option = 'p';
+               *needs_batch = 0;
+       }
+       free(variant);
+       return 1;
+}
+
+static void handle_ssh_variant(const char *ssh_command, int is_cmdline,
+                              int *port_option, int *needs_batch)
 {
-       const char *variant = getenv("GIT_SSH_VARIANT");
+       const char *variant;
        char *p = NULL;
 
-       if (variant)
-               ; /* okay, fall through */
-       else if (!git_config_get_string("ssh.variant", &p))
-               variant = p;
-       else if (!is_cmdline) {
+       if (override_ssh_variant(port_option, needs_batch))
+               return;
+
+       if (!is_cmdline) {
                p = xstrdup(ssh_command);
                variant = basename(p);
        } else {
                const char **ssh_argv;
 
                p = xstrdup(ssh_command);
-               if (split_cmdline(p, &ssh_argv)) {
+               if (split_cmdline(p, &ssh_argv) > 0) {
                        variant = basename((char *)ssh_argv[0]);
                        /*
                         * At this point, variant points into the buffer
@@ -716,13 +744,14 @@ static int handle_ssh_variant(const char *ssh_command, int is_cmdline,
                         * any longer.
                         */
                        free(ssh_argv);
-               } else
-                       return 0;
+               } else {
+                       free(p);
+                       return;
+               }
        }
 
        if (!strcasecmp(variant, "plink") ||
-           !strcasecmp(variant, "plink.exe") ||
-           !strcasecmp(variant, "putty"))
+           !strcasecmp(variant, "plink.exe"))
                *port_option = 'P';
        else if (!strcasecmp(variant, "tortoiseplink") ||
                 !strcasecmp(variant, "tortoiseplink.exe")) {
@@ -730,8 +759,6 @@ static int handle_ssh_variant(const char *ssh_command, int is_cmdline,
                *needs_batch = 1;
        }
        free(p);
-
-       return 1;
 }
 
 /*
@@ -802,6 +829,9 @@ struct child_process *git_connect(int fd[2], const char *url,
                conn = xmalloc(sizeof(*conn));
                child_process_init(conn);
 
+               if (looks_like_command_line_option(path))
+                       die("strange pathname '%s' blocked", path);
+
                strbuf_addstr(&cmd, prog);
                strbuf_addch(&cmd, ' ');
                sq_quote_buf(&cmd, path);
@@ -835,6 +865,9 @@ struct child_process *git_connect(int fd[2], const char *url,
                                return NULL;
                        }
 
+                       if (looks_like_command_line_option(ssh_host))
+                               die("strange hostname '%s' blocked", ssh_host);
+
                        ssh = get_ssh_command();
                        if (ssh)
                                handle_ssh_variant(ssh, 1, &port_option,