diff options
Diffstat (limited to 'libssh/options.c')
| -rw-r--r-- | libssh/options.c | 430 |
1 files changed, 216 insertions, 214 deletions
diff --git a/libssh/options.c b/libssh/options.c index c8e2446..7a06fad 100644 --- a/libssh/options.c +++ b/libssh/options.c @@ -626,221 +626,7 @@ int ssh_options_set(ssh_session session, enum ssh_options_e type, return 0; } -/** @} */ -#ifdef WITH_SERVER -/** - * @addtogroup ssh_server - * @{ - */ -static int ssh_bind_options_set_algo(ssh_bind sshbind, int algo, - const char *list) { - if (!verify_existing_algo(algo, list)) { - ssh_set_error(sshbind, SSH_REQUEST_DENIED, - "Setting method: no algorithm for method \"%s\" (%s)\n", - ssh_kex_nums[algo], list); - return -1; - } - - SAFE_FREE(sshbind->wanted_methods[algo]); - sshbind->wanted_methods[algo] = strdup(list); - if (sshbind->wanted_methods[algo] == NULL) { - ssh_set_error_oom(sshbind); - return -1; - } - - return 0; -} - -/** - * @brief This function can set all possible ssh bind options. - * - * @param session An allocated ssh option structure. - * - * @param type The option type to set. This could be one of the - * following: - * - * SSH_BIND_OPTIONS_LOG_VERBOSITY: - * Set the session logging verbosity (integer). - * - * The verbosity of the messages. Every log smaller or - * equal to verbosity will be shown. - * SSH_LOG_NOLOG: No logging - * SSH_LOG_RARE: Rare conditions or warnings - * SSH_LOG_ENTRY: API-accessible entrypoints - * SSH_LOG_PACKET: Packet id and size - * SSH_LOG_FUNCTIONS: Function entering and leaving - * - * SSH_BIND_OPTIONS_LOG_VERBOSITY_STR: - * Set the session logging verbosity (integer). - * - * The verbosity of the messages. Every log smaller or - * equal to verbosity will be shown. - * SSH_LOG_NOLOG: No logging - * SSH_LOG_RARE: Rare conditions or warnings - * SSH_LOG_ENTRY: API-accessible entrypoints - * SSH_LOG_PACKET: Packet id and size - * SSH_LOG_FUNCTIONS: Function entering and leaving - * - * SSH_BIND_OPTIONS_BINDADDR: - * Set the bind address. - * - * SSH_BIND_OPTIONS_BINDPORT: - * Set the bind port, default is 22. - * - * SSH_BIND_OPTIONS_HOSTKEY: - * Set the server public key type: ssh-rsa or ssh-dss - * (string). - * - * SSH_BIND_OPTIONS_DSAKEY: - * Set the path to the dsa ssh host key (string). - * - * SSH_BIND_OPTIONS_RSAKEY: - * Set the path to the ssh host rsa key (string). - * - * SSH_BIND_OPTIONS_BANNER: - * Set the server banner sent to clients (string). - * - * @param value The value to set. This is a generic pointer and the - * datatype which is used should be set according to the - * type set. - * - * @return 0 on success, < 0 on error. - */ -int ssh_bind_options_set(ssh_bind sshbind, enum ssh_bind_options_e type, - const void *value) { - char *p, *q; - int i; - - if (sshbind == NULL) { - return -1; - } - - switch (type) { - case SSH_BIND_OPTIONS_HOSTKEY: - if (value == NULL) { - ssh_set_error_invalid(sshbind, __FUNCTION__); - return -1; - } else { - if (ssh_bind_options_set_algo(sshbind, SSH_HOSTKEYS, value) < 0) - return -1; - } - break; - case SSH_BIND_OPTIONS_BINDADDR: - if (value == NULL) { - ssh_set_error_invalid(sshbind, __FUNCTION__); - return -1; - } else { - SAFE_FREE(sshbind->bindaddr); - sshbind->bindaddr = strdup(value); - if (sshbind->bindaddr == NULL) { - ssh_set_error_oom(sshbind); - return -1; - } - } - break; - case SSH_BIND_OPTIONS_BINDPORT: - if (value == NULL) { - ssh_set_error_invalid(sshbind, __FUNCTION__); - return -1; - } else { - int *x = (int *) value; - sshbind->bindport = *x & 0xffff; - } - break; - case SSH_BIND_OPTIONS_BINDPORT_STR: - if (value == NULL) { - sshbind->bindport = 22 & 0xffff; - } else { - q = strdup(value); - if (q == NULL) { - ssh_set_error_oom(sshbind); - return -1; - } - i = strtol(q, &p, 10); - if (q == p) { - SAFE_FREE(q); - } - SAFE_FREE(q); - - sshbind->bindport = i & 0xffff; - } - break; - case SSH_BIND_OPTIONS_LOG_VERBOSITY: - if (value == NULL) { - ssh_set_error_invalid(sshbind, __FUNCTION__); - return -1; - } else { - int *x = (int *) value; - sshbind->log_verbosity = *x & 0xffff; - } - break; - case SSH_BIND_OPTIONS_LOG_VERBOSITY_STR: - if (value == NULL) { - sshbind->log_verbosity = 0; - } else { - q = strdup(value); - if (q == NULL) { - ssh_set_error_oom(sshbind); - return -1; - } - i = strtol(q, &p, 10); - if (q == p) { - SAFE_FREE(q); - } - SAFE_FREE(q); - - sshbind->log_verbosity = i & 0xffff; - } - break; - case SSH_BIND_OPTIONS_DSAKEY: - if (value == NULL) { - ssh_set_error_invalid(sshbind, __FUNCTION__); - return -1; - } else { - SAFE_FREE(sshbind->dsakey); - sshbind->dsakey = strdup(value); - if (sshbind->dsakey == NULL) { - ssh_set_error_oom(sshbind); - return -1; - } - } - break; - case SSH_BIND_OPTIONS_RSAKEY: - if (value == NULL) { - ssh_set_error_invalid(sshbind, __FUNCTION__); - return -1; - } else { - SAFE_FREE(sshbind->rsakey); - sshbind->rsakey = strdup(value); - if (sshbind->rsakey == NULL) { - ssh_set_error_oom(sshbind); - return -1; - } - } - break; - case SSH_BIND_OPTIONS_BANNER: - if (value == NULL) { - ssh_set_error_invalid(sshbind, __FUNCTION__); - return -1; - } else { - SAFE_FREE(sshbind->banner); - sshbind->banner = strdup(value); - if (sshbind->banner == NULL) { - ssh_set_error_oom(sshbind); - return -1; - } - } - break; - default: - ssh_set_error(sshbind, SSH_REQUEST_DENIED, "Unkown ssh option %d", type); - return -1; - break; - } - - return 0; -} -#endif /** * @brief Parse command line arguments. @@ -1071,4 +857,220 @@ int ssh_options_parse_config(ssh_session session, const char *filename) { } /** @} */ + +#ifdef WITH_SERVER +/** + * @addtogroup ssh_server + * @{ + */ +static int ssh_bind_options_set_algo(ssh_bind sshbind, int algo, + const char *list) { + if (!verify_existing_algo(algo, list)) { + ssh_set_error(sshbind, SSH_REQUEST_DENIED, + "Setting method: no algorithm for method \"%s\" (%s)\n", + ssh_kex_nums[algo], list); + return -1; + } + + SAFE_FREE(sshbind->wanted_methods[algo]); + sshbind->wanted_methods[algo] = strdup(list); + if (sshbind->wanted_methods[algo] == NULL) { + ssh_set_error_oom(sshbind); + return -1; + } + + return 0; +} + +/** + * @brief This function can set all possible ssh bind options. + * + * @param session An allocated ssh option structure. + * + * @param type The option type to set. This could be one of the + * following: + * + * SSH_BIND_OPTIONS_LOG_VERBOSITY: + * Set the session logging verbosity (integer). + * + * The verbosity of the messages. Every log smaller or + * equal to verbosity will be shown. + * SSH_LOG_NOLOG: No logging + * SSH_LOG_RARE: Rare conditions or warnings + * SSH_LOG_ENTRY: API-accessible entrypoints + * SSH_LOG_PACKET: Packet id and size + * SSH_LOG_FUNCTIONS: Function entering and leaving + * + * SSH_BIND_OPTIONS_LOG_VERBOSITY_STR: + * Set the session logging verbosity (integer). + * + * The verbosity of the messages. Every log smaller or + * equal to verbosity will be shown. + * SSH_LOG_NOLOG: No logging + * SSH_LOG_RARE: Rare conditions or warnings + * SSH_LOG_ENTRY: API-accessible entrypoints + * SSH_LOG_PACKET: Packet id and size + * SSH_LOG_FUNCTIONS: Function entering and leaving + * + * SSH_BIND_OPTIONS_BINDADDR: + * Set the bind address. + * + * SSH_BIND_OPTIONS_BINDPORT: + * Set the bind port, default is 22. + * + * SSH_BIND_OPTIONS_HOSTKEY: + * Set the server public key type: ssh-rsa or ssh-dss + * (string). + * + * SSH_BIND_OPTIONS_DSAKEY: + * Set the path to the dsa ssh host key (string). + * + * SSH_BIND_OPTIONS_RSAKEY: + * Set the path to the ssh host rsa key (string). + * + * SSH_BIND_OPTIONS_BANNER: + * Set the server banner sent to clients (string). + * + * @param value The value to set. This is a generic pointer and the + * datatype which is used should be set according to the + * type set. + * + * @return 0 on success, < 0 on error. + */ +int ssh_bind_options_set(ssh_bind sshbind, enum ssh_bind_options_e type, + const void *value) { + char *p, *q; + int i; + + if (sshbind == NULL) { + return -1; + } + + switch (type) { + case SSH_BIND_OPTIONS_HOSTKEY: + if (value == NULL) { + ssh_set_error_invalid(sshbind, __FUNCTION__); + return -1; + } else { + if (ssh_bind_options_set_algo(sshbind, SSH_HOSTKEYS, value) < 0) + return -1; + } + break; + case SSH_BIND_OPTIONS_BINDADDR: + if (value == NULL) { + ssh_set_error_invalid(sshbind, __FUNCTION__); + return -1; + } else { + SAFE_FREE(sshbind->bindaddr); + sshbind->bindaddr = strdup(value); + if (sshbind->bindaddr == NULL) { + ssh_set_error_oom(sshbind); + return -1; + } + } + break; + case SSH_BIND_OPTIONS_BINDPORT: + if (value == NULL) { + ssh_set_error_invalid(sshbind, __FUNCTION__); + return -1; + } else { + int *x = (int *) value; + sshbind->bindport = *x & 0xffff; + } + break; + case SSH_BIND_OPTIONS_BINDPORT_STR: + if (value == NULL) { + sshbind->bindport = 22 & 0xffff; + } else { + q = strdup(value); + if (q == NULL) { + ssh_set_error_oom(sshbind); + return -1; + } + i = strtol(q, &p, 10); + if (q == p) { + SAFE_FREE(q); + } + SAFE_FREE(q); + + sshbind->bindport = i & 0xffff; + } + break; + case SSH_BIND_OPTIONS_LOG_VERBOSITY: + if (value == NULL) { + ssh_set_error_invalid(sshbind, __FUNCTION__); + return -1; + } else { + int *x = (int *) value; + sshbind->log_verbosity = *x & 0xffff; + } + break; + case SSH_BIND_OPTIONS_LOG_VERBOSITY_STR: + if (value == NULL) { + sshbind->log_verbosity = 0; + } else { + q = strdup(value); + if (q == NULL) { + ssh_set_error_oom(sshbind); + return -1; + } + i = strtol(q, &p, 10); + if (q == p) { + SAFE_FREE(q); + } + SAFE_FREE(q); + + sshbind->log_verbosity = i & 0xffff; + } + break; + case SSH_BIND_OPTIONS_DSAKEY: + if (value == NULL) { + ssh_set_error_invalid(sshbind, __FUNCTION__); + return -1; + } else { + SAFE_FREE(sshbind->dsakey); + sshbind->dsakey = strdup(value); + if (sshbind->dsakey == NULL) { + ssh_set_error_oom(sshbind); + return -1; + } + } + break; + case SSH_BIND_OPTIONS_RSAKEY: + if (value == NULL) { + ssh_set_error_invalid(sshbind, __FUNCTION__); + return -1; + } else { + SAFE_FREE(sshbind->rsakey); + sshbind->rsakey = strdup(value); + if (sshbind->rsakey == NULL) { + ssh_set_error_oom(sshbind); + return -1; + } + } + break; + case SSH_BIND_OPTIONS_BANNER: + if (value == NULL) { + ssh_set_error_invalid(sshbind, __FUNCTION__); + return -1; + } else { + SAFE_FREE(sshbind->banner); + sshbind->banner = strdup(value); + if (sshbind->banner == NULL) { + ssh_set_error_oom(sshbind); + return -1; + } + } + break; + default: + ssh_set_error(sshbind, SSH_REQUEST_DENIED, "Unkown ssh option %d", type); + return -1; + break; + } + + return 0; +} +#endif + +/** @} */ /* vim: set ts=2 sw=2 et cindent: */ |