diff options
Diffstat (limited to 'pkgs/development/libraries/libgksu/libgksu-2.0.12-revert-forkpty.patch')
| -rw-r--r-- | pkgs/development/libraries/libgksu/libgksu-2.0.12-revert-forkpty.patch | 359 |
1 files changed, 359 insertions, 0 deletions
diff --git a/pkgs/development/libraries/libgksu/libgksu-2.0.12-revert-forkpty.patch b/pkgs/development/libraries/libgksu/libgksu-2.0.12-revert-forkpty.patch new file mode 100644 index 00000000000..2c3a8cc786b --- /dev/null +++ b/pkgs/development/libraries/libgksu/libgksu-2.0.12-revert-forkpty.patch @@ -0,0 +1,359 @@ +diff --exclude-from=/home/dang/.scripts/diffrc -up -ruN libgksu-2.0.12.orig/libgksu/libgksu.c libgksu-2.0.12/libgksu/libgksu.c +--- libgksu-2.0.12.orig/libgksu/libgksu.c 2009-06-29 13:48:24.000000000 -0400 ++++ libgksu-2.0.12/libgksu/libgksu.c 2010-01-12 07:32:10.450657456 -0500 +@@ -1,7 +1,6 @@ + /* + * Gksu -- a library providing access to su functionality + * Copyright (C) 2004-2009 Gustavo Noronha Silva +- * Portions Copyright (C) 2009 VMware, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public +@@ -56,9 +55,6 @@ + static void + gksu_context_launch_complete (GksuContext *context); + +-static void +-read_line (int fd, gchar *buffer, int n); +- + GType + gksu_error_get_type (void) + { +@@ -2009,8 +2005,6 @@ gksu_su_fuller (GksuContext *context, + for (i = 0 ; cmd[i] != NULL ; i++) + g_free (cmd[i]); + g_free(cmd); +- +- _exit(1); + } + else if (pid == -1) + { +@@ -2125,10 +2119,10 @@ gksu_su_fuller (GksuContext *context, + /* drop the \n echoed on password entry if su did request + a password */ + if (password_needed) +- read_line (fdpty, buf, 255); ++ read (fdpty, buf, 255); + if (context->debug) + fprintf (stderr, "DEBUG (run:post-after-pass) buf: -%s-\n", buf); +- read_line (fdpty, buf, 255); ++ read (fdpty, buf, 255); + if (context->debug) + fprintf (stderr, "DEBUG (run:post-after-pass) buf: -%s-\n", buf); + } +@@ -2142,9 +2136,7 @@ gksu_su_fuller (GksuContext *context, + { + int retval = 0; + +- /* Red Hat's su shows the full path to su in its error messages. */ +- if (!strncmp (buf, "su:", 3) || +- !strncmp (buf, "/bin/su:", 7)) ++ if (!strncmp (buf, "su", 2)) + { + gchar **strings; + +@@ -2155,11 +2147,7 @@ gksu_su_fuller (GksuContext *context, + } + + strings = g_strsplit (buf, ":", 2); +- +- /* Red Hat and Fedora use 'incorrect password'. */ +- if (strings[1] && +- (g_str_has_prefix(strings[1], " Authentication failure") || +- g_str_has_prefix(strings[1], " incorrect password"))) ++ if (strings[1] && !strncmp (strings[1], " Authentication failure", 23)) + { + if (used_gnome_keyring) + g_set_error (error, gksu_quark, +@@ -2473,12 +2461,6 @@ gksu_sudo_fuller (GksuContext *context, + { + char **cmd; + char buffer[256] = {0}; +- char *child_stderr = NULL; +- /* This command is used to gain a token */ +- char *const verifycmd[] = +- { +- "/usr/bin/sudo", "-p", "GNOME_SUDO_PASS", "-v", NULL +- }; + int argcount = 8; + int i, j; + +@@ -2489,8 +2471,9 @@ gksu_sudo_fuller (GksuContext *context, + + pid_t pid; + int status; +- FILE *fdfile = NULL; +- int fdpty = -1; ++ FILE *infile, *outfile; ++ int parent_pipe[2]; /* For talking to the parent */ ++ int child_pipe[2]; /* For talking to the child */ + + context->sudo_mode = TRUE; + +@@ -2565,10 +2548,6 @@ gksu_sudo_fuller (GksuContext *context, + cmd[argcount] = g_strdup("-S"); + argcount++; + +- /* Make sudo noninteractive (we should already have a token) */ +- cmd[argcount] = g_strdup("-n"); +- argcount++; +- + /* Make sudo use next arg as prompt */ + cmd[argcount] = g_strdup("-p"); + argcount++; +@@ -2647,21 +2626,26 @@ gksu_sudo_fuller (GksuContext *context, + fprintf (stderr, "cmd[%d]: %s\n", i, cmd[i]); + } + +- pid = forkpty(&fdpty, NULL, NULL, NULL); +- if (pid == 0) ++ if ((pipe(parent_pipe)) == -1) + { +- // Child +- setsid(); // make us session leader +- +- execv(verifycmd[0], verifycmd); ++ g_set_error (error, gksu_quark, GKSU_ERROR_PIPE, ++ _("Error creating pipe: %s"), ++ strerror(errno)); ++ sudo_reset_xauth (context, xauth, xauth_env); ++ return FALSE; ++ } + +- g_set_error (error, gksu_quark, GKSU_ERROR_EXEC, +- _("Failed to exec new process: %s"), ++ if ((pipe(child_pipe)) == -1) ++ { ++ g_set_error (error, gksu_quark, GKSU_ERROR_PIPE, ++ _("Error creating pipe: %s"), + strerror(errno)); + sudo_reset_xauth (context, xauth, xauth_env); + return FALSE; + } +- else if (pid == -1) ++ ++ pid = fork(); ++ if (pid == -1) + { + g_set_error (error, gksu_quark, GKSU_ERROR_FORK, + _("Failed to fork new process: %s"), +@@ -2669,26 +2653,56 @@ gksu_sudo_fuller (GksuContext *context, + sudo_reset_xauth (context, xauth, xauth_env); + return FALSE; + } ++ else if (pid == 0) ++ { ++ // Child ++ setsid(); // make us session leader ++ close(child_pipe[1]); ++ dup2(child_pipe[0], STDIN_FILENO); ++ dup2(parent_pipe[1], STDERR_FILENO); + ++ execv(cmd[0], cmd); ++ ++ g_set_error (error, gksu_quark, GKSU_ERROR_EXEC, ++ _("Failed to exec new process: %s"), ++ strerror(errno)); ++ sudo_reset_xauth (context, xauth, xauth_env); ++ return FALSE; ++ } + else + { + gint counter = 0; + gchar *cmdline = NULL; +- struct termios tio; + + // Parent +- fdfile = fdopen(fdpty, "w+"); ++ close(parent_pipe[1]); + +- /* make sure we notice that ECHO is turned off, if it gets +- turned off */ +- tcgetattr (fdpty, &tio); +- for (counter = 0; (tio.c_lflag & ECHO) && counter < 15; counter++) +- { +- usleep (1000); +- tcgetattr (fdpty, &tio); +- } ++ infile = fdopen(parent_pipe[0], "r"); ++ if (!infile) ++ { ++ g_set_error (error, gksu_quark, GKSU_ERROR_PIPE, ++ _("Error opening pipe: %s"), ++ strerror(errno)); ++ sudo_reset_xauth (context, xauth, xauth_env); ++ return FALSE; ++ } + +- fcntl (fdpty, F_SETFL, O_NONBLOCK); ++ outfile = fdopen(child_pipe[1], "w"); ++ if (!outfile) ++ { ++ g_set_error (error, gksu_quark, GKSU_ERROR_PIPE, ++ _("Error opening pipe: %s"), ++ strerror(errno)); ++ sudo_reset_xauth (context, xauth, xauth_env); ++ return FALSE; ++ } ++ ++ /* ++ we are expecting to receive a GNOME_SUDO_PASS ++ if we don't there are two possibilities: an error ++ or a password is not needed ++ */ ++ fcntl (parent_pipe[0], F_SETFL, O_NONBLOCK); + + { /* no matter if we can read, since we're using + O_NONBLOCK; this is just to avoid the prompt +@@ -2697,11 +2711,11 @@ gksu_sudo_fuller (GksuContext *context, + struct timeval tv; + + FD_ZERO(&rfds); +- FD_SET(fdpty, &rfds); ++ FD_SET(parent_pipe[0], &rfds); + tv.tv_sec = 1; + tv.tv_usec = 0; + +- select (fdpty + 1, &rfds, NULL, NULL, &tv); ++ select (parent_pipe[0] + 1, &rfds, NULL, NULL, &tv); + } + + /* Try hard to find the prompt; it may happen that we're +@@ -2713,7 +2727,7 @@ gksu_sudo_fuller (GksuContext *context, + if (strncmp (buffer, "GNOME_SUDO_PASS", 15) == 0) + break; + +- read_line (fdpty, buffer, 256); ++ read_line (parent_pipe[0], buffer, 256); + + if (context->debug) + fprintf (stderr, "buffer: -%s-\n", buffer); +@@ -2747,17 +2761,18 @@ gksu_sudo_fuller (GksuContext *context, + + usleep (1000); + +- write (fdpty, password, strlen(password) + 1); +- write (fdpty, "\n", 1); ++ fprintf (outfile, "%s\n", password); ++ fclose (outfile); + + nullify_password (password); + +- fcntl(fdpty, F_SETFL, fcntl(fdpty, F_GETFL) & ~O_NONBLOCK); ++ /* turn NONBLOCK off */ ++ fcntl(parent_pipe[0], F_SETFL, fcntl(parent_pipe[0], F_GETFL) & ~O_NONBLOCK); + /* ignore the first newline that comes right after sudo receives + the password */ +- fgets (buffer, 255, fdfile); +- /* this is the status we are interested in */ +- fgets (buffer, 255, fdfile); ++ fgets (buffer, 255, infile); ++ /* this is the status we are interessted in */ ++ fgets (buffer, 255, infile); + } + else + { +@@ -2766,7 +2781,7 @@ gksu_sudo_fuller (GksuContext *context, + fprintf (stderr, "No password prompt found; we'll assume we don't need a password.\n"); + + /* turn NONBLOCK off, also if have no prompt */ +- fcntl(fdpty, F_SETFL, fcntl(fdpty, F_GETFL) & ~O_NONBLOCK); ++ fcntl(parent_pipe[0], F_SETFL, fcntl(parent_pipe[0], F_GETFL) & ~O_NONBLOCK); + + should_display = gconf_client_get_bool (context->gconf_client, + BASE_PATH "display-no-pass-info", NULL); +@@ -2785,9 +2800,14 @@ gksu_sudo_fuller (GksuContext *context, + fprintf (stderr, "%s", buffer); + } + +- if (g_str_has_prefix (buffer, "Sorry, try again.")) ++ if (!strcmp (buffer, "Sorry, try again.\n")) + g_set_error (error, gksu_quark, GKSU_ERROR_WRONGPASS, + _("Wrong password.")); ++ else if (!strncmp (buffer, "Sorry, user ", 12)) ++ g_set_error (error, gksu_quark, GKSU_ERROR_NOT_ALLOWED, ++ _("The underlying authorization mechanism (sudo) " ++ "does not allow you to run this program. Contact " ++ "the system administrator.")); + else + { + gchar *haystack = buffer; +@@ -2805,10 +2825,6 @@ gksu_sudo_fuller (GksuContext *context, + } + } + +- /* If we have an error, let's just stop sudo right there. */ +- if (error) +- close(fdpty); +- + cmdline = g_strdup("sudo"); + /* wait for the child process to end or become something other + than sudo */ +@@ -2825,23 +2841,17 @@ gksu_sudo_fuller (GksuContext *context, + if (context->sn_context) + gksu_context_launch_complete (context); + ++ while (read (parent_pipe[0], buffer, 255) > 0) ++ { ++ fprintf (stderr, "%s", buffer); ++ bzero(buffer, 256); ++ } ++ + /* if the process is still active waitpid() on it */ + if (pid_exited != pid) + waitpid(pid, &status, 0); + sudo_reset_xauth (context, xauth, xauth_env); + +- /* +- * Did token acquisition succeed? If so, spawn sudo in +- * non-interactive mode. It should either succeed or die +- * immediately if you're not allowed to run the command. +- */ +- if (WEXITSTATUS(status) == 0) +- { +- g_spawn_sync(NULL, cmd, NULL, 0, NULL, NULL, +- NULL, &child_stderr, &status, +- error); +- } +- + if (exit_status) + { + if (WIFEXITED(status)) { +@@ -2853,13 +2863,6 @@ gksu_sudo_fuller (GksuContext *context, + + if (WEXITSTATUS(status)) + { +- if (g_str_has_prefix(child_stderr, "Sorry, user ")) +- { +- g_set_error (error, gksu_quark, GKSU_ERROR_NOT_ALLOWED, +- _("The underlying authorization mechanism (sudo) " +- "does not allow you to run this program. Contact " +- "the system administrator.")); +- } + if(cmdline) + { + /* sudo already exec()ed something else, don't report +@@ -2868,7 +2871,6 @@ gksu_sudo_fuller (GksuContext *context, + if (!g_str_has_suffix (cmdline, "sudo")) + { + g_free (cmdline); +- g_free (child_stderr); + return FALSE; + } + g_free (cmdline); +@@ -2881,11 +2883,11 @@ gksu_sudo_fuller (GksuContext *context, + } + } + +- fprintf(stderr, child_stderr); +- g_free(child_stderr); +- + /* if error is set we have found an error condition */ +- return (error == NULL); ++ if (error) ++ return FALSE; ++ ++ return TRUE; + } + + /** |