| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | |
| 2 | #include "piped.h" |
| 3 | #include "piped_uci.h" |
| 4 | #include "piped_util.h" |
| 5 | #include "piped_nw.h" |
| 6 | #include "piped_dhcp.h" |
| 7 | #include "piped_dns.h" |
| 8 | |
| 9 | static int pd_add_del_dns6(struct pd_context *pdc, struct pd_iface *pdi, |
| 10 | bool add) |
| 11 | { |
| 12 | struct uci_context *c = pdc->c; |
| 13 | |
| 14 | if (!pdi_test(pdi, PDI_DNS6P) && !pdi_test(pdi, PDI_DNS6S)) |
| 15 | return 0; |
| 16 | |
| 17 | if (add) { |
| 18 | if (pdi_test(pdi, PDI_DNS6P) && pd_uci_add_list(c, |
| 19 | UCI_PKG_DHCP, |
| 20 | UCI_SEC_LAN, |
| 21 | UCI_OPT_DNS, |
| 22 | pdi->dns6p)) { |
| 23 | PD_ERR(pd_add_del_dns6, "add dns6p failed\n"); |
| 24 | return 1; |
| 25 | } |
| 26 | if (pdi_test(pdi, PDI_DNS6S) && pd_uci_add_list(c, UCI_PKG_DHCP, |
| 27 | UCI_SEC_LAN, |
| 28 | UCI_OPT_DNS, |
| 29 | pdi->dns6s)) { |
| 30 | PD_ERR(pd_add_del_dns61, "add dns6s failed\n"); |
| 31 | return 1; |
| 32 | } |
| 33 | } else { |
| 34 | if (pdi_test(pdi, PDI_DNS6P) && pd_uci_del_from_list(c, |
| 35 | UCI_PKG_DHCP, |
| 36 | UCI_SEC_LAN, |
| 37 | UCI_OPT_DNS, |
| 38 | pdi->dns6p)) { |
| 39 | PD_ERR(pd_add_del_dns62, "del dns6p failed\n"); |
| 40 | return 1; |
| 41 | } |
| 42 | if (pdi_test(pdi, PDI_DNS6S) && pd_uci_del_from_list(c, |
| 43 | UCI_PKG_DHCP, |
| 44 | UCI_SEC_LAN, |
| 45 | UCI_OPT_DNS, |
| 46 | pdi->dns6s)) { |
| 47 | PD_ERR(pd_add_del_dns63, "del dns6p failed\n"); |
| 48 | return 1; |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | pd_set(&pdc->status, PDC_ODHCPD_CHANGED); |
| 53 | |
| 54 | return 0; |
| 55 | } |
| 56 | |
| 57 | static int pd_add_del_dns4(struct pd_context *pdc, struct pd_iface *pdi, |
| 58 | bool add) |
| 59 | { |
| 60 | struct uci_context *c = pdc->c; |
| 61 | char options[MAX_DHCP_OPT_STR_LEN]; |
| 62 | |
| 63 | if (!pdi_test(pdi, PDI_DNS4P) && !pdi_test(pdi, PDI_DNS4S)) |
| 64 | return 0; |
| 65 | |
| 66 | strcpy(options, UCI_DHCP_OPTNUM_DNS); |
| 67 | |
| 68 | if (pdi_test(pdi, PDI_DNS4P)) { |
| 69 | strcat(options, ","); |
| 70 | strcat(options, pdi->dns4p); |
| 71 | } |
| 72 | if (pdi_test(pdi, PDI_DNS4S)) { |
| 73 | strcat(options, ","); |
| 74 | strcat(options, pdi->dns4s); |
| 75 | } |
| 76 | |
| 77 | if (add && pd_uci_add_list(c, UCI_PKG_DHCP, UCI_SEC_LAN, |
| 78 | UCI_OPT_DHCP_OPT, options)) { |
| 79 | PD_ERR(pd_add_del_dns4, "dhcp add dns4 failed\n"); |
| 80 | return 1; |
| 81 | } else if (!add && pd_uci_del_from_list(c, UCI_PKG_DHCP, UCI_SEC_LAN, |
| 82 | UCI_OPT_DHCP_OPT, options)) { |
| 83 | PD_ERR(pd_add_del_dns41, "dhcp del dns4 failed\n"); |
| 84 | return 1; |
| 85 | } |
| 86 | |
| 87 | pd_set(&pdc->status, PDC_DNSMASQ_CHANGED); |
| 88 | |
| 89 | return 0; |
| 90 | } |
| 91 | |
| 92 | int pd_dns4_add(struct pd_context *pdc, struct pd_iface *pdi) |
| 93 | { |
| 94 | if (pd_add_del_dns4(pdc, pdi, true)) { |
| 95 | PD_ERR(pd_dns4_add, "pd_add_del_dns4 failed for %s\n", pdi->sec); |
| 96 | return 1; |
| 97 | } |
| 98 | |
| 99 | return 0; |
| 100 | } |
| 101 | |
| 102 | int pd_dns4_del(struct pd_context *pdc, struct pd_iface *pdi) |
| 103 | { |
| 104 | if (pd_add_del_dns4(pdc, pdi, false)) { |
| 105 | PD_ERR(pd_dns4_del, "pd_add_del_dns4 failed for %s\n", pdi->sec); |
| 106 | return 1; |
| 107 | } |
| 108 | |
| 109 | return 0; |
| 110 | } |
| 111 | |
| 112 | int pd_dns4_change(struct pd_context *pdc, struct pd_iface *oldi, |
| 113 | struct pd_iface *newi) |
| 114 | { |
| 115 | if (pd_dns4_del(pdc, oldi)) { |
| 116 | PD_ERR(pd_dns4_change, "pd_dns4_del failed\n"); |
| 117 | return 1; |
| 118 | } |
| 119 | if (pd_dns4_add(pdc, newi)) { |
| 120 | PD_ERR(pd_dns4_change1, "pd_dns4_add failed\n"); |
| 121 | return 1; |
| 122 | } |
| 123 | |
| 124 | return 0; |
| 125 | } |
| 126 | |
| 127 | |
| 128 | int pd_dns6_add(struct pd_context *pdc, struct pd_iface *pdi) |
| 129 | { |
| 130 | if (pd_add_del_dns6(pdc, pdi, true)) { |
| 131 | PD_ERR(pd_dns6_add, "pd_add_del_dns6 failed for %s\n", pdi->sec); |
| 132 | return 1; |
| 133 | } |
| 134 | |
| 135 | return 0; |
| 136 | } |
| 137 | int pd_dns6_change(struct pd_context *pdc, struct pd_iface *oldi, |
| 138 | struct pd_iface *newi) |
| 139 | { |
| 140 | if (pd_dns6_del(pdc, oldi)) { |
| 141 | PD_ERR(pd_dns6_change, "pd_dns6_del failed\n"); |
| 142 | return 1; |
| 143 | } |
| 144 | if (pd_dns6_add(pdc, newi)) { |
| 145 | PD_ERR(pd_dns6_change1, "pd_dns6_add failed\n"); |
| 146 | return 1; |
| 147 | } |
| 148 | |
| 149 | return 0; |
| 150 | } |
| 151 | |
| 152 | int pd_dns6_del(struct pd_context *pdc, struct pd_iface *pdi) |
| 153 | { |
| 154 | |
| 155 | if (pd_add_del_dns6(pdc, pdi, false)) { |
| 156 | PD_ERR(pd_dns6_del, "pd_add_del_dns6 failed\n"); |
| 157 | return 1; |
| 158 | } |
| 159 | |
| 160 | return 0; |
| 161 | } |
| 162 | |
| 163 | void pd_dns_clean(struct pd_context *pdc) |
| 164 | { |
| 165 | struct uci_context *c = pdc->c; |
| 166 | |
| 167 | if (pd_uci_del(c, UCI_PKG_DHCP, UCI_SEC_LAN, UCI_OPT_DNS, NULL)) |
| 168 | return; |
| 169 | |
| 170 | PD_INFO(pd_dns_clean, "cleaning dns configuration\n"); |
| 171 | |
| 172 | pd_set(&pdc->status, PDC_ODHCPD_CHANGED); |
| 173 | } |