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Issue570 (#571)
* First start issue #570 * Implement (glob style) includes. * Add glob check to configure. * If expanding path, use it
This commit is contained in:
Dave Davenport
GitHub
parent
8083eef5d0
commit
b72a010908
2 changed files with 109 additions and 68 deletions
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@ -90,6 +90,7 @@ AC_CHECK_FUNC([ftruncate],,AC_MSG_ERROR("Could not find ftruncate"))
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AC_CHECK_FUNC([fcntl],, AC_MSG_ERROR("Could not find fcntl"))
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AC_CHECK_FUNC([setlocale],,AC_MSG_ERROR("Could not find setlocale"))
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AC_CHECK_FUNC([atexit],, AC_MSG_ERROR("Could not find atexit in c library"))
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AC_CHECK_FUNC([glob],, AC_MSG_ERROR("Could not find glob in c library"))
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AC_CHECK_HEADER([math.h],, AC_MSG_ERROR("Could not find math.h header file"))
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AC_SEARCH_LIBS([floor],[m],, AC_MSG_ERROR("Could not find floor in math library"))
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@ -43,12 +43,20 @@
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#include <ctype.h>
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#include <errno.h>
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#include <helper.h>
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#include <glob.h>
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#include "rofi.h"
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#include "settings.h"
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#include "history.h"
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#include "dialogs/ssh.h"
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/**
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* Log domain for the ssh modi.
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*/
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#define LOG_DOMAIN "Dialogs.Ssh"
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/**
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* Name of the history file where previously choosen hosts are stored.
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*/
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@ -255,6 +263,104 @@ static char **read_hosts_file ( char ** retv, unsigned int *length )
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return retv;
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}
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static void parse_ssh_config_file ( const char *filename, char ***retv, unsigned int *length, unsigned int num_favorites )
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{
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FILE *fd = fopen ( filename, "r" );
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g_log ( LOG_DOMAIN, G_LOG_LEVEL_DEBUG, "Parsing ssh config file: %s" , filename);
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if ( fd != NULL ) {
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char *buffer = NULL;
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size_t buffer_length = 0;
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char *strtok_pointer = NULL;
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while ( getline ( &buffer, &buffer_length, fd ) > 0 ) {
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// Each line is either empty, a comment line starting with a '#'
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// character or of the form "keyword [=] arguments", where there may
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// be multiple (possibly quoted) arguments separated by whitespace.
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// The keyword is separated from its arguments by whitespace OR by
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// optional whitespace and a '=' character.
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char *token = strtok_r ( buffer, SSH_TOKEN_DELIM, &strtok_pointer );
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// Skip empty lines and comment lines. Also skip lines where the
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// keyword is not "Host".
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if ( !token || *token == '#' ) {
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continue;
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}
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if ( g_strcmp0 ( token, "Include") == 0 ) {
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token = strtok_r ( NULL, SSH_TOKEN_DELIM, &strtok_pointer );
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g_log ( LOG_DOMAIN, G_LOG_LEVEL_DEBUG, "Found Include: %s" , token);
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gchar *path = rofi_expand_path ( token );
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gchar *full_path = NULL;
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if ( ! g_path_is_absolute ( path ) ){
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char *dirname = g_path_get_dirname ( filename );
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full_path = g_build_filename ( dirname, path, NULL );
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g_free(dirname);
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} else {
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full_path = g_strdup ( path );
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}
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glob_t globbuf = {0,};
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if ( glob ( full_path, 0, NULL, &globbuf ) == 0 ){
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for ( size_t iter = 0; iter < globbuf.gl_pathc; iter++){
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parse_ssh_config_file ( globbuf.gl_pathv[iter], retv, length, num_favorites );
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}
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}
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globfree ( &globbuf );
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g_free ( full_path );
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g_free ( path );
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}
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else if ( g_strcmp0 ( token, "Host" ) == 0 ) {
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// Now we know that this is a "Host" line.
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// The "Host" keyword is followed by one more host names separated
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// by whitespace; while host names may be quoted with double quotes
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// to represent host names containing spaces, we don't support this
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// (how many host names contain spaces?).
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while ( ( token = strtok_r ( NULL, SSH_TOKEN_DELIM, &strtok_pointer ) ) ) {
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// We do not want to show wildcard entries, as you cannot ssh to them.
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const char *const sep = "*?";
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if ( *token == '!' || strpbrk ( token, sep ) ) {
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continue;
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}
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// If comment, skip from now on.
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if ( *token == '#' ) {
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break;
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}
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// Is this host name already in the history file?
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// This is a nice little penalty, but doable? time will tell.
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// given num_favorites is max 25.
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int found = 0;
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for ( unsigned int j = 0; j < num_favorites; j++ ) {
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if ( !g_ascii_strcasecmp ( token, (*retv)[j] ) ) {
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found = 1;
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break;
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}
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}
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if ( found ) {
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continue;
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}
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// Add this host name to the list.
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(*retv) = g_realloc ( (*retv), ( ( *length ) + 2 ) * sizeof ( char* ) );
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(*retv)[( *length )] = g_strdup ( token );
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(*retv)[( *length ) + 1] = NULL;
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( *length )++;
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}
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}
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}
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if ( buffer != NULL ) {
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free ( buffer );
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}
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if ( fclose ( fd ) != 0 ) {
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fprintf ( stderr, "Failed to close ssh configuration file: '%s'\n", strerror ( errno ) );
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}
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}
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}
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/**
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* @param length The number of found ssh hosts [out]
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*
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@ -286,74 +392,8 @@ static char ** get_ssh ( unsigned int *length )
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const char *hd = g_get_home_dir ();
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path = g_build_filename ( hd, ".ssh", "config", NULL );
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FILE *fd = fopen ( path, "r" );
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if ( fd != NULL ) {
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char *buffer = NULL;
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size_t buffer_length = 0;
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char *strtok_pointer = NULL;
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while ( getline ( &buffer, &buffer_length, fd ) > 0 ) {
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// Each line is either empty, a comment line starting with a '#'
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// character or of the form "keyword [=] arguments", where there may
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// be multiple (possibly quoted) arguments separated by whitespace.
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// The keyword is separated from its arguments by whitespace OR by
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// optional whitespace and a '=' character.
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char *token = strtok_r ( buffer, SSH_TOKEN_DELIM, &strtok_pointer );
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// Skip empty lines and comment lines. Also skip lines where the
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// keyword is not "Host".
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if ( !token || *token == '#' || g_ascii_strcasecmp ( token, "Host" ) ) {
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continue;
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}
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// Now we know that this is a "Host" line.
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// The "Host" keyword is followed by one more host names separated
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// by whitespace; while host names may be quoted with double quotes
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// to represent host names containing spaces, we don't support this
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// (how many host names contain spaces?).
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while ( ( token = strtok_r ( NULL, SSH_TOKEN_DELIM, &strtok_pointer ) ) ) {
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// We do not want to show wildcard entries, as you cannot ssh to them.
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const char *const sep = "*?";
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if ( *token == '!' || strpbrk ( token, sep ) ) {
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continue;
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}
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// If comment, skip from now on.
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if ( *token == '#' ) {
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break;
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}
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// Is this host name already in the history file?
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// This is a nice little penalty, but doable? time will tell.
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// given num_favorites is max 25.
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int found = 0;
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for ( unsigned int j = 0; j < num_favorites; j++ ) {
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if ( !g_ascii_strcasecmp ( token, retv[j] ) ) {
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found = 1;
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break;
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}
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}
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if ( found ) {
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continue;
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}
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// Add this host name to the list.
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retv = g_realloc ( retv, ( ( *length ) + 2 ) * sizeof ( char* ) );
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retv[( *length )] = g_strdup ( token );
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retv[( *length ) + 1] = NULL;
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( *length )++;
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}
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}
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if ( buffer != NULL ) {
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free ( buffer );
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}
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if ( fclose ( fd ) != 0 ) {
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fprintf ( stderr, "Failed to close ssh configuration file: '%s'\n", strerror ( errno ) );
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}
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}
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parse_ssh_config_file ( path, &retv, length, num_favorites );
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g_free ( path );
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return retv;
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