1 | /* |
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2 | * Disk quota reporting program. |
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3 | */ |
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4 | #include <stdio.h> |
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5 | #include <mntent.h> |
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6 | #include <strings.h> |
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7 | |
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8 | #include <sys/param.h> |
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9 | #include <sys/file.h> |
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10 | #include <sys/stat.h> |
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11 | #include <ufs/quota.h> |
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12 | |
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13 | #include <rpc/rpc.h> |
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14 | #include <rpc/pmap_prot.h> |
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15 | #include <sys/socket.h> |
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16 | #include <netdb.h> |
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17 | #include <rpcsvc/rquota.h> |
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18 | #include <sys/time.h> |
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19 | |
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20 | #include "xquota.h" |
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21 | |
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22 | static int callaurpc(); |
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23 | |
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24 | /************************************************************ |
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25 | * |
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26 | * stolen from ucb's quota. (Modified somewhat) |
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27 | * |
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28 | ************************************************************/ |
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29 | |
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30 | int |
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31 | getnfsquota(host, path, uid, dqp) |
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32 | char *host, *path; |
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33 | int uid; |
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34 | struct dqblk *dqp; |
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35 | { |
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36 | struct getquota_args gq_args; |
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37 | struct getquota_rslt gq_rslt; |
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38 | extern char *index(); |
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39 | |
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40 | gq_args.gqa_pathp = path; |
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41 | gq_args.gqa_uid = uid; |
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42 | if (callaurpc(host, RQUOTAPROG, RQUOTAVERS, RQUOTAPROC_GETQUOTA, |
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43 | xdr_getquota_args, (char *) &gq_args, xdr_getquota_rslt, |
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44 | (char *) &gq_rslt) != 0) { |
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45 | return (QUOTA_ERROR); |
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46 | } |
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47 | switch (gq_rslt.gqr_status) { |
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48 | case Q_OK: |
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49 | { |
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50 | struct timeval tv; |
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51 | |
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52 | gettimeofday(&tv, NULL); |
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53 | dqp->dqb_bhardlimit = |
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54 | gq_rslt.gqr_rquota.rq_bhardlimit * |
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55 | gq_rslt.gqr_rquota.rq_bsize / DEV_BSIZE; |
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56 | dqp->dqb_bsoftlimit = |
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57 | gq_rslt.gqr_rquota.rq_bsoftlimit * |
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58 | gq_rslt.gqr_rquota.rq_bsize / DEV_BSIZE; |
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59 | dqp->dqb_curblocks = |
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60 | gq_rslt.gqr_rquota.rq_curblocks * |
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61 | gq_rslt.gqr_rquota.rq_bsize / DEV_BSIZE; |
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62 | dqp->dqb_fhardlimit = gq_rslt.gqr_rquota.rq_fhardlimit; |
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63 | dqp->dqb_fsoftlimit = gq_rslt.gqr_rquota.rq_fsoftlimit; |
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64 | dqp->dqb_curfiles = gq_rslt.gqr_rquota.rq_curfiles; |
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65 | dqp->dqb_btimelimit = |
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66 | tv.tv_sec + gq_rslt.gqr_rquota.rq_btimeleft; |
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67 | dqp->dqb_ftimelimit = |
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68 | tv.tv_sec + gq_rslt.gqr_rquota.rq_ftimeleft; |
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69 | return (QUOTA_OK); |
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70 | } |
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71 | |
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72 | case Q_NOQUOTA: |
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73 | return(QUOTA_NONE); |
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74 | break; |
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75 | |
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76 | case Q_EPERM: |
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77 | fprintf(stderr, "quota permission error, host: %s\n", host); |
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78 | return(QUOTA_PERMISSION); |
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79 | break; |
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80 | |
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81 | default: |
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82 | fprintf(stderr, "bad rpc result, host: %s\n", host); |
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83 | break; |
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84 | } |
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85 | return (QUOTA_ERROR); |
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86 | } |
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87 | |
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88 | static int |
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89 | callaurpc(host, prognum, versnum, procnum, inproc, in, outproc, out) |
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90 | char *host; |
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91 | xdrproc_t inproc, outproc; |
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92 | char *in, *out; |
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93 | { |
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94 | struct sockaddr_in server_addr; |
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95 | enum clnt_stat clnt_stat; |
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96 | struct hostent *hp; |
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97 | struct timeval timeout, tottimeout; |
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98 | |
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99 | static CLIENT *client = NULL; |
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100 | static int socket = RPC_ANYSOCK; |
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101 | static int valid = 0; |
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102 | static int oldprognum, oldversnum; |
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103 | static char oldhost[256]; |
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104 | |
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105 | if (valid && oldprognum == prognum && oldversnum == versnum |
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106 | && strcmp(oldhost, host) == 0) { |
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107 | /* reuse old client */ |
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108 | } |
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109 | else { |
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110 | valid = 0; |
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111 | close(socket); |
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112 | socket = RPC_ANYSOCK; |
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113 | if (client) { |
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114 | clnt_destroy(client); |
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115 | client = NULL; |
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116 | } |
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117 | if ((hp = gethostbyname(host)) == NULL) |
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118 | return ((int) RPC_UNKNOWNHOST); |
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119 | timeout.tv_usec = 0; |
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120 | timeout.tv_sec = 6; |
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121 | bcopy(hp->h_addr, &server_addr.sin_addr, hp->h_length); |
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122 | server_addr.sin_family = AF_INET; |
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123 | /* ping the remote end via tcp to see if it is up */ |
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124 | server_addr.sin_port = htons(PMAPPORT); |
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125 | if ((client = clnttcp_create(&server_addr, PMAPPROG, |
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126 | PMAPVERS, &socket, 0, 0)) == NULL) { |
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127 | return ((int) rpc_createerr.cf_stat); |
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128 | } else { |
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129 | /* the fact we succeeded means the machine is up */ |
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130 | close(socket); |
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131 | socket = RPC_ANYSOCK; |
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132 | clnt_destroy(client); |
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133 | client = NULL; |
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134 | } |
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135 | /* now really create a udp client handle */ |
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136 | server_addr.sin_port = 0; |
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137 | if ((client = clntudp_create(&server_addr, prognum, |
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138 | versnum, timeout, &socket)) == NULL) |
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139 | return ((int) rpc_createerr.cf_stat); |
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140 | client->cl_auth = authunix_create_default(); |
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141 | valid = 1; |
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142 | oldprognum = prognum; |
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143 | oldversnum = versnum; |
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144 | strcpy(oldhost, host); |
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145 | } |
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146 | tottimeout.tv_sec = 25; |
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147 | tottimeout.tv_usec = 0; |
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148 | clnt_stat = clnt_call(client, procnum, inproc, in, |
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149 | outproc, out, tottimeout); |
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150 | /* |
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151 | * if call failed, empty cache |
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152 | */ |
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153 | if (clnt_stat != RPC_SUCCESS) |
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154 | valid = 0; |
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155 | return ((int) clnt_stat); |
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156 | } |
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