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-rw-r--r--libssh/misc.c685
1 files changed, 0 insertions, 685 deletions
diff --git a/libssh/misc.c b/libssh/misc.c
deleted file mode 100644
index bd903b0..0000000
--- a/libssh/misc.c
+++ /dev/null
@@ -1,685 +0,0 @@
-/*
- * misc.c - useful client functions
- *
- * This file is part of the SSH Library
- *
- * Copyright (c) 2003-2009 by Aris Adamantiadis
- * Copyright (c) 2008-2009 by Andreas Schneider <mail@cynapses.org>
- *
- * The SSH Library is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation; either version 2.1 of the License, or (at your
- * option) any later version.
- *
- * The SSH Library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
- * License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with the SSH Library; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- */
-
-#include "config.h"
-
-#include <limits.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <ctype.h>
-
-#ifdef _WIN32
-#define _WIN32_IE 0x0501 //SHGetSpecialFolderPath
-#include <winsock2.h> // Must be the first to include
-#include <ws2tcpip.h>
-#include <shlobj.h>
-#include <direct.h>
-#if _MSC_VER >= 1400
-#include <io.h>
-#endif /* _MSC_VER */
-#else /* _WIN32 */
-/* This is needed for a standard getpwuid_r on opensolaris */
-#define _POSIX_PTHREAD_SEMANTICS
-#include <pwd.h>
-#include <arpa/inet.h>
-#endif /* _WIN32 */
-
-#include "libssh/priv.h"
-#include "libssh/misc.h"
-#include "libssh/session.h"
-
-#ifdef HAVE_LIBGCRYPT
-#define GCRYPT_STRING "/gnutls"
-#else
-#define GCRYPT_STRING ""
-#endif
-
-#ifdef HAVE_LIBCRYPTO
-#define CRYPTO_STRING "/openssl"
-#else
-#define CRYPTO_STRING ""
-#endif
-
-#if defined(HAVE_LIBZ) && defined(WITH_LIBZ)
-#define LIBZ_STRING "/zlib"
-#else
-#define LIBZ_STRING ""
-#endif
-
-/**
- * @defgroup libssh_misc The SSH helper functions.
- * @ingroup libssh
- *
- * Different helper functions used in the SSH Library.
- *
- * @{
- */
-
-#ifdef _WIN32
-char *ssh_get_user_home_dir(void) {
- char tmp[MAX_PATH] = {0};
- char *szPath = NULL;
-
- if (SHGetSpecialFolderPathA(NULL, tmp, CSIDL_PROFILE, TRUE)) {
- szPath = malloc(strlen(tmp) + 1);
- if (szPath == NULL) {
- return NULL;
- }
-
- strcpy(szPath, tmp);
- return szPath;
- }
-
- return NULL;
-}
-
-/* we have read access on file */
-int ssh_file_readaccess_ok(const char *file) {
- if (_access(file, 4) < 0) {
- return 0;
- }
-
- return 1;
-}
-
-#define SSH_USEC_IN_SEC 1000000LL
-#define SSH_SECONDS_SINCE_1601 11644473600LL
-
-int gettimeofday(struct timeval *__p, void *__t) {
- union {
- unsigned long long ns100; /* time since 1 Jan 1601 in 100ns units */
- FILETIME ft;
- } now;
-
- GetSystemTimeAsFileTime (&now.ft);
- __p->tv_usec = (long) ((now.ns100 / 10LL) % SSH_USEC_IN_SEC);
- __p->tv_sec = (long)(((now.ns100 / 10LL ) / SSH_USEC_IN_SEC) - SSH_SECONDS_SINCE_1601);
-
- return (0);
-}
-
-char *ssh_get_local_username(ssh_session session) {
- DWORD size = 0;
- char *user;
-
- /* get the size */
- GetUserName(NULL, &size);
-
- user = malloc(size);
- if (user == NULL) {
- ssh_set_error_oom(session);
- return NULL;
- }
-
- if (GetUserName(user, &size)) {
- return user;
- }
-
- return NULL;
-}
-#else /* _WIN32 */
-
-#ifndef NSS_BUFLEN_PASSWD
-#define NSS_BUFLEN_PASSWD 4096
-#endif /* NSS_BUFLEN_PASSWD */
-
-char *ssh_get_user_home_dir(void) {
- char *szPath = NULL;
- struct passwd pwd;
- struct passwd *pwdbuf;
- char buf[NSS_BUFLEN_PASSWD];
- int rc;
-
- rc = getpwuid_r(getuid(), &pwd, buf, NSS_BUFLEN_PASSWD, &pwdbuf);
- if (rc != 0) {
- return NULL;
- }
-
- szPath = strdup(pwd.pw_dir);
-
- return szPath;
-}
-
-/* we have read access on file */
-int ssh_file_readaccess_ok(const char *file) {
- if (access(file, R_OK) < 0) {
- return 0;
- }
-
- return 1;
-}
-
-char *ssh_get_local_username(ssh_session session) {
- struct passwd pwd;
- struct passwd *pwdbuf;
- char buf[NSS_BUFLEN_PASSWD];
- char *name;
- int rc;
-
- rc = getpwuid_r(getuid(), &pwd, buf, NSS_BUFLEN_PASSWD, &pwdbuf);
- if (rc != 0) {
- ssh_set_error(session, SSH_FATAL,
- "Couldn't retrieve information for current user!");
- return NULL;
- }
-
- name = strdup(pwd.pw_name);
-
- if (name == NULL) {
- ssh_set_error_oom(session);
- return NULL;
- }
-
- return name;
-}
-#endif /* _WIN32 */
-
-uint64_t ntohll(uint64_t a) {
-#ifdef WORDS_BIGENDIAN
- return a;
-#else
- uint32_t low = (uint32_t)(a & 0xffffffff);
- uint32_t high = (uint32_t)(a >> 32);
- low = ntohl(low);
- high = ntohl(high);
-
- return ((((uint64_t) low) << 32) | ( high));
-#endif
-}
-
-char *ssh_lowercase(const char* str) {
- char *new, *p;
-
- if (str == NULL) {
- return NULL;
- }
-
- new = strdup(str);
- if (new == NULL) {
- return NULL;
- }
-
- for (p = new; *p; p++) {
- *p = tolower(*p);
- }
-
- return new;
-}
-
-char *ssh_hostport(const char *host, int port){
- char *dest;
- size_t len;
- if(host==NULL)
- return NULL;
- /* 3 for []:, 5 for 65536 and 1 for nul */
- len=strlen(host) + 3 + 5 + 1;
- dest=malloc(len);
- if(dest==NULL)
- return NULL;
- snprintf(dest,len,"[%s]:%d",host,port);
- return dest;
-}
-
-/**
- * @brief Check if libssh is the required version or get the version
- * string.
- *
- * @param[in] req_version The version required.
- *
- * @return If the version of libssh is newer than the version
- * required it will return a version string.
- * NULL if the version is older.
- *
- * Example:
- *
- * @code
- * if (ssh_version(SSH_VERSION_INT(0,2,1)) == NULL) {
- * fprintf(stderr, "libssh version is too old!\n");
- * exit(1);
- * }
- *
- * if (debug) {
- * printf("libssh %s\n", ssh_version(0));
- * }
- * @endcode
- */
-const char *ssh_version(int req_version) {
- if (req_version <= LIBSSH_VERSION_INT) {
- return SSH_STRINGIFY(LIBSSH_VERSION) GCRYPT_STRING CRYPTO_STRING
- LIBZ_STRING;
- }
-
- return NULL;
-}
-
-struct ssh_list *ssh_list_new(){
- struct ssh_list *ret=malloc(sizeof(struct ssh_list));
- if(!ret)
- return NULL;
- ret->root=ret->end=NULL;
- return ret;
-}
-
-void ssh_list_free(struct ssh_list *list){
- struct ssh_iterator *ptr,*next;
- ptr=list->root;
- while(ptr){
- next=ptr->next;
- SAFE_FREE(ptr);
- ptr=next;
- }
- SAFE_FREE(list);
-}
-
-struct ssh_iterator *ssh_list_get_iterator(const struct ssh_list *list){
- return list->root;
-}
-
-static struct ssh_iterator *ssh_iterator_new(const void *data){
- struct ssh_iterator *iterator=malloc(sizeof(struct ssh_iterator));
- if(!iterator)
- return NULL;
- iterator->next=NULL;
- iterator->data=data;
- return iterator;
-}
-
-int ssh_list_append(struct ssh_list *list,const void *data){
- struct ssh_iterator *iterator=ssh_iterator_new(data);
- if(!iterator)
- return SSH_ERROR;
- if(!list->end){
- /* list is empty */
- list->root=list->end=iterator;
- } else {
- /* put it on end of list */
- list->end->next=iterator;
- list->end=iterator;
- }
- return SSH_OK;
-}
-
-int ssh_list_prepend(struct ssh_list *list, const void *data){
- struct ssh_iterator *it = ssh_iterator_new(data);
-
- if (it == NULL) {
- return SSH_ERROR;
- }
-
- if (list->end == NULL) {
- /* list is empty */
- list->root = list->end = it;
- } else {
- /* set as new root */
- it->next = list->root;
- list->root = it;
- }
-
- return SSH_OK;
-}
-
-void ssh_list_remove(struct ssh_list *list, struct ssh_iterator *iterator){
- struct ssh_iterator *ptr,*prev;
- prev=NULL;
- ptr=list->root;
- while(ptr && ptr != iterator){
- prev=ptr;
- ptr=ptr->next;
- }
- if(!ptr){
- /* we did not find the element */
- return;
- }
- /* unlink it */
- if(prev)
- prev->next=ptr->next;
- /* if iterator was the head */
- if(list->root == iterator)
- list->root=iterator->next;
- /* if iterator was the tail */
- if(list->end == iterator)
- list->end = prev;
- SAFE_FREE(iterator);
-}
-
-/**
- * @internal
- *
- * @brief Removes the top element of the list and returns the data value
- * attached to it.
- *
- * @param[in[ list The ssh_list to remove the element.
- *
- * @returns A pointer to the element being stored in head, or NULL
- * if the list is empty.
- */
-const void *_ssh_list_pop_head(struct ssh_list *list){
- struct ssh_iterator *iterator=list->root;
- const void *data;
- if(!list->root)
- return NULL;
- data=iterator->data;
- list->root=iterator->next;
- if(list->end==iterator)
- list->end=NULL;
- SAFE_FREE(iterator);
- return data;
-}
-
-/**
- * @brief Parse directory component.
- *
- * dirname breaks a null-terminated pathname string into a directory component.
- * In the usual case, ssh_dirname() returns the string up to, but not including,
- * the final '/'. Trailing '/' characters are not counted as part of the
- * pathname. The caller must free the memory.
- *
- * @param[in] path The path to parse.
- *
- * @return The dirname of path or NULL if we can't allocate memory.
- * If path does not contain a slash, c_dirname() returns
- * the string ".". If path is the string "/", it returns
- * the string "/". If path is NULL or an empty string,
- * "." is returned.
- */
-char *ssh_dirname (const char *path) {
- char *new = NULL;
- unsigned int len;
-
- if (path == NULL || *path == '\0') {
- return strdup(".");
- }
-
- len = strlen(path);
-
- /* Remove trailing slashes */
- while(len > 0 && path[len - 1] == '/') --len;
-
- /* We have only slashes */
- if (len == 0) {
- return strdup("/");
- }
-
- /* goto next slash */
- while(len > 0 && path[len - 1] != '/') --len;
-
- if (len == 0) {
- return strdup(".");
- } else if (len == 1) {
- return strdup("/");
- }
-
- /* Remove slashes again */
- while(len > 0 && path[len - 1] == '/') --len;
-
- new = malloc(len + 1);
- if (new == NULL) {
- return NULL;
- }
-
- strncpy(new, path, len);
- new[len] = '\0';
-
- return new;
-}
-
-/**
- * @brief basename - parse filename component.
- *
- * basename breaks a null-terminated pathname string into a filename component.
- * ssh_basename() returns the component following the final '/'. Trailing '/'
- * characters are not counted as part of the pathname.
- *
- * @param[in] path The path to parse.
- *
- * @return The filename of path or NULL if we can't allocate
- * memory. If path is a the string "/", basename returns
- * the string "/". If path is NULL or an empty string,
- * "." is returned.
- */
-char *ssh_basename (const char *path) {
- char *new = NULL;
- const char *s;
- unsigned int len;
-
- if (path == NULL || *path == '\0') {
- return strdup(".");
- }
-
- len = strlen(path);
- /* Remove trailing slashes */
- while(len > 0 && path[len - 1] == '/') --len;
-
- /* We have only slashes */
- if (len == 0) {
- return strdup("/");
- }
-
- while(len > 0 && path[len - 1] != '/') --len;
-
- if (len > 0) {
- s = path + len;
- len = strlen(s);
-
- while(len > 0 && s[len - 1] == '/') --len;
- } else {
- return strdup(path);
- }
-
- new = malloc(len + 1);
- if (new == NULL) {
- return NULL;
- }
-
- strncpy(new, s, len);
- new[len] = '\0';
-
- return new;
-}
-
-/**
- * @brief Attempts to create a directory with the given pathname.
- *
- * This is the portable version of mkdir, mode is ignored on Windows systems.
- *
- * @param[in] pathname The path name to create the directory.
- *
- * @param[in] mode The permissions to use.
- *
- * @return 0 on success, < 0 on error with errno set.
- */
-int ssh_mkdir(const char *pathname, mode_t mode) {
- int r;
-
-#ifdef _WIN32
- r = _mkdir(pathname);
-#else
- r = mkdir(pathname, mode);
-#endif
-
- return r;
-}
-
-/**
- * @brief Expand a directory starting with a tilde '~'
- *
- * @param[in] d The directory to expand.
- *
- * @return The expanded directory, NULL on error.
- */
-char *ssh_path_expand_tilde(const char *d) {
- char *h, *r;
- const char *p;
- size_t ld;
- size_t lh = 0;
-
- if (d[0] != '~') {
- return strdup(d);
- }
- d++;
-
- /* handle ~user/path */
- p = strchr(d, '/');
- if (p != NULL && p > d) {
-#ifdef _WIN32
- return strdup(d);
-#else
- struct passwd *pw;
- size_t s = p - d;
- char u[128];
-
- if (s > sizeof(u)) {
- return NULL;
- }
- memcpy(u, d, s);
- u[s] = '\0';
- pw = getpwnam(u);
- if (pw == NULL) {
- return NULL;
- }
- ld = strlen(p);
- h = strdup(pw->pw_dir);
-#endif
- } else {
- ld = strlen(d);
- p = (char *) d;
- h = ssh_get_user_home_dir();
- }
- if (h == NULL) {
- return NULL;
- }
- lh = strlen(h);
-
- r = malloc(ld + lh + 1);
- if (r == NULL) {
- return NULL;
- }
-
- if (lh > 0) {
- memcpy(r, h, lh);
- }
- memcpy(r + lh, p, ld + 1);
-
- return r;
-}
-
-char *ssh_path_expand_escape(ssh_session session, const char *s) {
-#define MAX_BUF_SIZE 4096
- char host[NI_MAXHOST];
- char buf[MAX_BUF_SIZE];
- char *r, *x = NULL;
- const char *p;
- size_t i, l;
-
- r = ssh_path_expand_tilde(s);
- if (r == NULL) {
- ssh_set_error_oom(session);
- return NULL;
- }
-
- if (strlen(r) > MAX_BUF_SIZE) {
- ssh_set_error(session, SSH_FATAL, "string to expand too long");
- free(r);
- return NULL;
- }
-
- p = r;
- buf[0] = '\0';
-
- for (i = 0; *p != '\0'; p++) {
- if (*p != '%') {
- buf[i] = *p;
- i++;
- if (i > MAX_BUF_SIZE) {
- return NULL;
- }
- buf[i] = '\0';
- continue;
- }
-
- p++;
- if (*p == '\0') {
- break;
- }
-
- switch (*p) {
- case 'd':
- x = strdup(session->sshdir);
- break;
- case 'u':
- x = ssh_get_local_username(session);
- break;
- case 'l':
- if (gethostname(host, sizeof(host) == 0)) {
- x = strdup(host);
- }
- break;
- case 'h':
- x = strdup(session->host);
- break;
- case 'r':
- x = strdup(session->username);
- break;
- case 'p':
- if (session->port < 65536) {
- char tmp[6];
-
- snprintf(tmp, sizeof(tmp), "%u", session->port);
- x = strdup(tmp);
- }
- break;
- default:
- ssh_set_error(session, SSH_FATAL,
- "Wrong escape sequence detected");
- return NULL;
- }
-
- if (x == NULL) {
- ssh_set_error_oom(session);
- return NULL;
- }
-
- i += strlen(x);
- if (i > MAX_BUF_SIZE) {
- ssh_set_error(session, SSH_FATAL,
- "String too long");
- return NULL;
- }
- l = strlen(buf);
- strcat(buf + l, x);
- buf[i] = '\0';
- SAFE_FREE(x);
- }
-
- free(r);
- return strdup(buf);
-#undef MAX_BUF_SIZE
-}
-
-/** @} */
-
-/* vim: set ts=4 sw=4 et cindent: */
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