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author | Andreas Schneider <mail@cynapses.org> | 2009-04-27 10:20:54 +0000 |
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committer | Andreas Schneider <mail@cynapses.org> | 2009-04-27 10:20:54 +0000 |
commit | 320c70a170abd426efcc2fba8c4e5a61a2e54132 (patch) | |
tree | 1d51aa7f8312b78740cccbf5e91d86aa240d6260 /libssh/sftp.c | |
parent | 387f6473f72e710e7ca7fde14df52b1d7a597683 (diff) | |
download | libssh-320c70a170abd426efcc2fba8c4e5a61a2e54132.tar.gz libssh-320c70a170abd426efcc2fba8c4e5a61a2e54132.tar.xz libssh-320c70a170abd426efcc2fba8c4e5a61a2e54132.zip |
Improve sftp_rename().
git-svn-id: svn+ssh://svn.berlios.de/svnroot/repos/libssh/trunk@611 7dcaeef0-15fb-0310-b436-a5af3365683c
Diffstat (limited to 'libssh/sftp.c')
-rw-r--r-- | libssh/sftp.c | 111 |
1 files changed, 73 insertions, 38 deletions
diff --git a/libssh/sftp.c b/libssh/sftp.c index 965161f1..3c4bee98 100644 --- a/libssh/sftp.c +++ b/libssh/sftp.c @@ -2007,50 +2007,85 @@ int sftp_mkdir(SFTP_SESSION *sftp, const char *directory, mode_t mode) { /* code written by nick */ int sftp_rename(SFTP_SESSION *sftp, const char *original, const char *newname) { - u32 id = sftp_get_new_id(sftp); - BUFFER *buffer = buffer_new(); - STRING *oldpath = string_from_char(original); - STRING *newpath = string_from_char(newname); - SFTP_MESSAGE *msg = NULL; - STATUS_MESSAGE *status = NULL; + STATUS_MESSAGE *status = NULL; + SFTP_MESSAGE *msg = NULL; + BUFFER *buffer; + STRING *oldpath; + STRING *newpath; + u32 id; - buffer_add_u32(buffer, id); - buffer_add_ssh_string(buffer, oldpath); - free(oldpath); - buffer_add_ssh_string(buffer, newpath); - free(newpath); - /* POSIX rename atomically replaces newpath, we should do the same */ - buffer_add_u32(buffer, SSH_FXF_RENAME_OVERWRITE); - sftp_packet_write(sftp, SSH_FXP_RENAME, buffer); + buffer = buffer_new(); + if (buffer == NULL) { + return -1; + } + + oldpath = string_from_char(original); + if (oldpath == NULL) { buffer_free(buffer); - while (!msg) { - if (sftp_read_and_dispatch(sftp)) - return -1; - msg = sftp_dequeue(sftp, id); + return -1; + } + + newpath = string_from_char(newname); + if (newpath == NULL) { + buffer_free(buffer); + string_free(oldpath); + return -1; + } + + id = sftp_get_new_id(sftp); + if (buffer_add_u32(buffer, id) < 0 || + buffer_add_ssh_string(buffer, oldpath) < 0 || + buffer_add_ssh_string(buffer, newpath) < 0 || + /* POSIX rename atomically replaces newpath, we should do the same */ + buffer_add_u32(buffer, SSH_FXF_RENAME_OVERWRITE) < 0 || + sftp_packet_write(sftp, SSH_FXP_RENAME, buffer) < 0) { + buffer_free(buffer); + string_free(oldpath); + string_free(newpath); + return -1; + } + buffer_free(buffer); + string_free(oldpath); + string_free(newpath); + + while (msg == NULL) { + if (sftp_read_and_dispatch(sftp) < 0) { + return -1; } - if (msg->packet_type == SSH_FXP_STATUS) { - /* by specification, this command's only supposed to return SSH_FXP_STATUS */ - status = parse_status_msg(msg); - sftp_message_free(msg); - if (!status) - return -1; - sftp_set_error(sftp, status->status); - switch (status->status) { - case SSH_FX_OK: - status_msg_free(status); - return 0; - default: - break; - } - /* status should be SSH_FX_OK if the command was successful, if it didn't, then there was an error */ - ssh_set_error(sftp->session,SSH_REQUEST_DENIED, "sftp server: %s", status->errormsg); + msg = sftp_dequeue(sftp, id); + } + + /* By specification, this command only returns SSH_FXP_STATUS */ + if (msg->packet_type == SSH_FXP_STATUS) { + status = parse_status_msg(msg); + sftp_message_free(msg); + if (status == NULL) { + return -1; + } + sftp_set_error(sftp, status->status); + switch (status->status) { + case SSH_FX_OK: status_msg_free(status); - return -1; - } else { - ssh_set_error(sftp->session,SSH_FATAL, "Received message %d when attempting to rename", msg->packet_type); - sftp_message_free(msg); + return 0; + default: + break; } + /* + * Status should be SSH_FX_OK if the command was successful, if it didn't, + * then there was an error + */ + ssh_set_error(sftp->session, SSH_REQUEST_DENIED, + "SFTP server: %s", status->errormsg); + status_msg_free(status); return -1; + } else { + ssh_set_error(sftp->session, SSH_FATAL, + "Received message %d when attempting to rename", + msg->packet_type); + sftp_message_free(msg); + } + + return -1; } /* Code written by Nick */ |