diff options
Diffstat (limited to 'Utilities/cmcurl/lib/vssh')
-rw-r--r-- | Utilities/cmcurl/lib/vssh/libssh.c | 37 | ||||
-rw-r--r-- | Utilities/cmcurl/lib/vssh/libssh2.c | 55 | ||||
-rw-r--r-- | Utilities/cmcurl/lib/vssh/wolfssh.c | 14 |
3 files changed, 60 insertions, 46 deletions
diff --git a/Utilities/cmcurl/lib/vssh/libssh.c b/Utilities/cmcurl/lib/vssh/libssh.c index 3e317e8..7bf2b04 100644 --- a/Utilities/cmcurl/lib/vssh/libssh.c +++ b/Utilities/cmcurl/lib/vssh/libssh.c @@ -5,7 +5,7 @@ * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * - * Copyright (C) 2017 - 2021 Red Hat, Inc. + * Copyright (C) 2017 - 2022 Red Hat, Inc. * * Authors: Nikos Mavrogiannopoulos, Tomas Mraz, Stanislav Zidek, * Robert Kolcun, Andreas Schneider @@ -32,10 +32,6 @@ #include <libssh/libssh.h> #include <libssh/sftp.h> -#ifdef HAVE_FCNTL_H -#include <fcntl.h> -#endif - #ifdef HAVE_NETINET_IN_H #include <netinet/in.h> #endif @@ -81,18 +77,22 @@ #include "multiif.h" #include "select.h" #include "warnless.h" +#include "curl_path.h" -/* for permission and open flags */ -#include <sys/types.h> +#ifdef HAVE_SYS_STAT_H #include <sys/stat.h> +#endif +#ifdef HAVE_UNISTD_H #include <unistd.h> +#endif +#ifdef HAVE_FCNTL_H #include <fcntl.h> +#endif /* The last 3 #include files should be in this order */ #include "curl_printf.h" #include "curl_memory.h" #include "memdebug.h" -#include "curl_path.h" /* A recent macro provided by libssh. Or make our own. */ #ifndef SSH_STRING_FREE_CHAR @@ -105,6 +105,14 @@ } while(0) #endif +/* These stat values may not be the same as the user's S_IFMT / S_IFLNK */ +#ifndef SSH_S_IFMT +#define SSH_S_IFMT 00170000 +#endif +#ifndef SSH_S_IFLNK +#define SSH_S_IFLNK 0120000 +#endif + /* Local functions: */ static CURLcode myssh_connect(struct Curl_easy *data, bool *done); static CURLcode myssh_multi_statemach(struct Curl_easy *data, @@ -1468,8 +1476,8 @@ static CURLcode myssh_statemach_act(struct Curl_easy *data, bool *block) memcpy(sshc->readdir_line, sshc->readdir_longentry, sshc->readdir_currLen); if((sshc->readdir_attrs->flags & SSH_FILEXFER_ATTR_PERMISSIONS) && - ((sshc->readdir_attrs->permissions & S_IFMT) == - S_IFLNK)) { + ((sshc->readdir_attrs->permissions & SSH_S_IFMT) == + SSH_S_IFLNK)) { sshc->readdir_linkPath = aprintf("%s%s", protop->path, sshc->readdir_filename); @@ -1962,6 +1970,10 @@ static CURLcode myssh_statemach_act(struct Curl_easy *data, bool *block) } ssh_disconnect(sshc->ssh_session); + /* conn->sock[FIRSTSOCKET] is closed by ssh_disconnect behind our back, + explicitly mark it as closed with the memdebug macro: */ + fake_sclose(conn->sock[FIRSTSOCKET]); + conn->sock[FIRSTSOCKET] = CURL_SOCKET_BAD; SSH_STRING_FREE_CHAR(sshc->homedir); data->state.most_recent_ftp_entrypath = NULL; @@ -2055,6 +2067,9 @@ static int myssh_getsock(struct Curl_easy *data, if(conn->waitfor & KEEP_SEND) bitmap |= GETSOCK_WRITESOCK(FIRSTSOCKET); + if(!conn->waitfor) + bitmap |= GETSOCK_WRITESOCK(FIRSTSOCKET); + return bitmap; } @@ -2687,7 +2702,7 @@ static void sftp_quote(struct Curl_easy *data) */ cp = strchr(cmd, ' '); if(!cp) { - failf(data, "Syntax error in SFTP command. Supply parameter(s)!"); + failf(data, "Syntax error in SFTP command. Supply parameter(s)"); state(data, SSH_SFTP_CLOSE); sshc->nextstate = SSH_NO_STATE; sshc->actualcode = CURLE_QUOTE_ERROR; diff --git a/Utilities/cmcurl/lib/vssh/libssh2.c b/Utilities/cmcurl/lib/vssh/libssh2.c index 581bc1b..d269263 100644 --- a/Utilities/cmcurl/lib/vssh/libssh2.c +++ b/Utilities/cmcurl/lib/vssh/libssh2.c @@ -5,7 +5,7 @@ * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * - * Copyright (C) 1998 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al. + * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al. * * This software is licensed as described in the file COPYING, which * you should have received as part of this distribution. The terms @@ -433,7 +433,9 @@ static int sshkeycallback(struct Curl_easy *easy, * libssh2 1.2.8 fixed the problem with 32bit ints used for sockets on win64. */ #ifdef HAVE_LIBSSH2_SESSION_HANDSHAKE -#define libssh2_session_startup(x,y) libssh2_session_handshake(x,y) +#define session_startup(x,y) libssh2_session_handshake(x, y) +#else +#define session_startup(x,y) libssh2_session_startup(x, (int)y) #endif static CURLcode ssh_knownhost(struct Curl_easy *data) @@ -495,7 +497,7 @@ static CURLcode ssh_knownhost(struct Curl_easy *data) break; #endif default: - infof(data, "unsupported key type, can't check knownhosts!"); + infof(data, "unsupported key type, can't check knownhosts"); keybit = 0; break; } @@ -590,7 +592,7 @@ static CURLcode ssh_knownhost(struct Curl_easy *data) LIBSSH2_KNOWNHOST_KEYENC_RAW| keybit, NULL); if(addrc) - infof(data, "Warning adding the known host %s failed!", + infof(data, "WARNING: adding the known host %s failed", conn->host.name); else if(rc == CURLKHSTAT_FINE_ADD_TO_FILE || rc == CURLKHSTAT_FINE_REPLACE) { @@ -601,7 +603,7 @@ static CURLcode ssh_knownhost(struct Curl_easy *data) data->set.str[STRING_SSH_KNOWNHOSTS], LIBSSH2_KNOWNHOST_FILE_OPENSSH); if(wrc) { - infof(data, "Warning, writing %s failed!", + infof(data, "WARNING: writing %s failed", data->set.str[STRING_SSH_KNOWNHOSTS]); } } @@ -661,7 +663,7 @@ static CURLcode ssh_check_fingerprint(struct Curl_easy *data) /* The length of fingerprint is 32 bytes for SHA256. * See libssh2_hostkey_hash documentation. */ - if(Curl_base64_encode(data, fingerprint, 32, &fingerprint_b64, + if(Curl_base64_encode(fingerprint, 32, &fingerprint_b64, &fingerprint_b64_len) != CURLE_OK) { state(data, SSH_SESSION_FREE); sshc->actualcode = CURLE_PEER_FAILED_VERIFICATION; @@ -692,12 +694,12 @@ static CURLcode ssh_check_fingerprint(struct Curl_easy *data) * against a known fingerprint, if available. */ if((pub_pos != b64_pos) || - Curl_strncasecompare(fingerprint_b64, pubkey_sha256, pub_pos) != 1) { + strncmp(fingerprint_b64, pubkey_sha256, pub_pos)) { free(fingerprint_b64); failf(data, - "Denied establishing ssh session: mismatch sha256 fingerprint. " - "Remote %s is not equal to %s", fingerprint_b64, pubkey_sha256); + "Denied establishing ssh session: mismatch sha256 fingerprint. " + "Remote %s is not equal to %s", fingerprint_b64, pubkey_sha256); state(data, SSH_SESSION_FREE); sshc->actualcode = CURLE_PEER_FAILED_VERIFICATION; return sshc->actualcode; @@ -705,7 +707,7 @@ static CURLcode ssh_check_fingerprint(struct Curl_easy *data) free(fingerprint_b64); - infof(data, "SHA256 checksum match!"); + infof(data, "SHA256 checksum match"); } if(pubkey_md5) { @@ -725,27 +727,24 @@ static CURLcode ssh_check_fingerprint(struct Curl_easy *data) infof(data, "SSH MD5 fingerprint: %s", md5buffer); } - /* Before we authenticate we check the hostkey's MD5 fingerprint - * against a known fingerprint, if available. - */ - if(pubkey_md5 && strlen(pubkey_md5) == 32) { - if(!fingerprint || !strcasecompare(md5buffer, pubkey_md5)) { - if(fingerprint) { - failf(data, + /* This does NOT verify the length of 'pubkey_md5' separately, which will + make the comparison below fail unless it is exactly 32 characters */ + if(!fingerprint || !strcasecompare(md5buffer, pubkey_md5)) { + if(fingerprint) { + failf(data, "Denied establishing ssh session: mismatch md5 fingerprint. " "Remote %s is not equal to %s", md5buffer, pubkey_md5); - } - else { - failf(data, + } + else { + failf(data, "Denied establishing ssh session: md5 fingerprint " "not available"); - } - state(data, SSH_SESSION_FREE); - sshc->actualcode = CURLE_PEER_FAILED_VERIFICATION; - return sshc->actualcode; } - infof(data, "MD5 checksum match!"); + state(data, SSH_SESSION_FREE); + sshc->actualcode = CURLE_PEER_FAILED_VERIFICATION; + return sshc->actualcode; } + infof(data, "MD5 checksum match"); } if(!pubkey_md5 && !pubkey_sha256) { @@ -932,7 +931,7 @@ static CURLcode ssh_statemach_act(struct Curl_easy *data, bool *block) /* FALLTHROUGH */ case SSH_S_STARTUP: - rc = libssh2_session_startup(sshc->ssh_session, (int)sock); + rc = session_startup(sshc->ssh_session, sock); if(rc == LIBSSH2_ERROR_EAGAIN) { break; } @@ -1468,7 +1467,7 @@ static CURLcode ssh_statemach_act(struct Curl_easy *data, bool *block) */ cp = strchr(cmd, ' '); if(!cp) { - failf(data, "Syntax error command '%s'. Missing parameter!", + failf(data, "Syntax error command '%s', missing parameter", cmd); state(data, SSH_SFTP_CLOSE); sshc->nextstate = SSH_NO_STATE; @@ -3227,7 +3226,7 @@ static CURLcode ssh_connect(struct Curl_easy *data, bool *done) sshrecv.recvptr = ssh_tls_recv; sshsend.sendptr = ssh_tls_send; - infof(data, "Uses HTTPS proxy!"); + infof(data, "Uses HTTPS proxy"); /* Setup libssh2 callbacks to make it read/write TLS from the socket. diff --git a/Utilities/cmcurl/lib/vssh/wolfssh.c b/Utilities/cmcurl/lib/vssh/wolfssh.c index 5b4cde9..85f2941 100644 --- a/Utilities/cmcurl/lib/vssh/wolfssh.c +++ b/Utilities/cmcurl/lib/vssh/wolfssh.c @@ -5,7 +5,7 @@ * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * - * Copyright (C) 2019 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al. + * Copyright (C) 2019 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al. * * This software is licensed as described in the file COPYING, which * you should have received as part of this distribution. The terms @@ -469,7 +469,7 @@ static CURLcode wssh_statemach_act(struct Curl_easy *data, bool *block) state(data, SSH_STOP); return CURLE_SSH; } - infof(data, "wolfssh connected!"); + infof(data, "wolfssh connected"); state(data, SSH_STOP); break; case SSH_STOP: @@ -490,7 +490,7 @@ static CURLcode wssh_statemach_act(struct Curl_easy *data, bool *block) return CURLE_OK; } else if(rc == WS_SUCCESS) { - infof(data, "wolfssh SFTP connected!"); + infof(data, "wolfssh SFTP connected"); state(data, SSH_SFTP_REALPATH); } else { @@ -519,7 +519,7 @@ static CURLcode wssh_statemach_act(struct Curl_easy *data, bool *block) else { memcpy(sshc->homedir, name->fName, name->fSz); sshc->homedir[name->fSz] = 0; - infof(data, "wolfssh SFTP realpath succeeded!"); + infof(data, "wolfssh SFTP realpath succeeded"); } wolfSSH_SFTPNAME_list_free(name); state(data, SSH_STOP); @@ -617,7 +617,7 @@ static CURLcode wssh_statemach_act(struct Curl_easy *data, bool *block) return CURLE_OK; } else if(rc == WS_SUCCESS) { - infof(data, "wolfssh SFTP open succeeded!"); + infof(data, "wolfssh SFTP open succeeded"); } else { failf(data, "wolfssh SFTP upload open failed: %d", rc); @@ -728,7 +728,7 @@ static CURLcode wssh_statemach_act(struct Curl_easy *data, bool *block) return CURLE_OK; } else if(rc == WS_SUCCESS) { - infof(data, "wolfssh SFTP open succeeded!"); + infof(data, "wolfssh SFTP open succeeded"); state(data, SSH_SFTP_DOWNLOAD_STAT); return CURLE_OK; } @@ -754,7 +754,7 @@ static CURLcode wssh_statemach_act(struct Curl_easy *data, bool *block) return CURLE_OK; } else if(rc == WS_SUCCESS) { - infof(data, "wolfssh STAT succeeded!"); + infof(data, "wolfssh STAT succeeded"); } else { failf(data, "wolfssh SFTP open failed: %d", rc); |