diff options
Diffstat (limited to 'usr/host.c')
| -rw-r--r-- | usr/host.c | 110 |
1 files changed, 110 insertions, 0 deletions
@@ -34,6 +34,7 @@ #include "initiator.h" #include "iface.h" #include "iscsi_err.h" +#include "iscsi_netlink.h" static int match_host_to_session(void *data, struct session_info *info) { @@ -314,3 +315,112 @@ int host_info_print(int info_level, uint32_t host_no) } return 0; } + +static int chap_fill_param_uint(struct iovec *iov, int param, + uint32_t param_val, int param_len) +{ + struct iscsi_param_info *param_info; + struct nlattr *attr; + int len; + uint8_t val8 = 0; + uint16_t val16 = 0; + uint32_t val32 = 0; + char *val = NULL; + + len = sizeof(struct iscsi_param_info) + param_len; + iov->iov_base = iscsi_nla_alloc(param, len); + if (!iov->iov_base) + return 1; + + attr = iov->iov_base; + iov->iov_len = NLA_ALIGN(attr->nla_len); + + param_info = (struct iscsi_param_info *)ISCSI_NLA_DATA(attr); + param_info->param = param; + param_info->len = param_len; + + switch (param_len) { + case 1: + val8 = (uint8_t)param_val; + val = (char *)&val8; + break; + + case 2: + val16 = (uint16_t)param_val; + val = (char *)&val16; + break; + + case 4: + val32 = (uint32_t)param_val; + val = (char *)&val32; + break; + + default: + goto free; + } + memcpy(param_info->value, val, param_len); + + return 0; + +free: + free(iov->iov_base); + iov->iov_base = NULL; + iov->iov_len = 0; + return 1; +} + +static int chap_fill_param_str(struct iovec *iov, int param, char *param_val, + int param_len) +{ + struct iscsi_param_info *param_info; + struct nlattr *attr; + int len; + + len = sizeof(struct iscsi_param_info) + param_len; + iov->iov_base = iscsi_nla_alloc(param, len); + if (!iov->iov_base) + return 1; + + attr = iov->iov_base; + iov->iov_len = NLA_ALIGN(attr->nla_len); + + param_info = (struct iscsi_param_info *)ISCSI_NLA_DATA(attr); + param_info->param = param; + param_info->len = param_len; + memcpy(param_info->value, param_val, param_len); + return 0; +} + +int chap_build_config(struct iscsi_chap_rec *crec, struct iovec *iovs) +{ + struct iovec *iov = NULL; + int count = 0; + + /* start at 2, because 0 is for nlmsghdr and 1 for event */ + iov = iovs + 2; + + if (!chap_fill_param_uint(&iov[count], ISCSI_CHAP_PARAM_INDEX, + crec->chap_tbl_idx, + sizeof(crec->chap_tbl_idx))) + count++; + + if (!chap_fill_param_uint(&iov[count], ISCSI_CHAP_PARAM_CHAP_TYPE, + crec->chap_type, sizeof(crec->chap_type))) + count++; + + if (!chap_fill_param_str(&iov[count], ISCSI_CHAP_PARAM_USERNAME, + crec->username, strlen(crec->username))) + count++; + + if (!chap_fill_param_str(&iov[count], ISCSI_CHAP_PARAM_PASSWORD, + (char *)crec->password, + strlen((char *)crec->password))) + count++; + + if (!chap_fill_param_uint(&iov[count], ISCSI_CHAP_PARAM_PASSWORD_LEN, + crec->password_length, + sizeof(crec->password_length))) + count++; + + return count; +} |