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1 |
#include "headers.h"
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2 |
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3 |
typedef struct Args Args;
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4 |
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5 |
struct Args {
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6 |
ulong pcount;
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7 |
ulong poffset;
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8 |
ulong pdisplacement;
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9 |
ulong dcount;
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10 |
ulong doffset;
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11 |
ulong ddisplacement;
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12 |
uchar scount;
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13 |
};
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14 |
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15 |
int
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16 |
_smbtransactiondecodeprimary(SmbTransaction *t, SmbHeader *h, uchar *pdata, SmbBuffer *b, int hasname, char **errmsgp)
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17 |
{
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18 |
ushort poffset, doffset;
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19 |
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20 |
if (h->wordcount < 14) {
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21 |
smbstringprint(errmsgp, "word count less than 14");
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22 |
return -1;
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23 |
}
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24 |
t->in.scount = pdata[13 * 2];
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25 |
if (h->wordcount != 14 + t->in.scount) {
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26 |
smbstringprint(errmsgp, "smbcomtransaction: word count invalid\n");
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27 |
return -1;
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28 |
}
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29 |
t->in.tpcount = smbnhgets(pdata); pdata += 2;
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30 |
t->in.tdcount = smbnhgets(pdata); pdata += 2;
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31 |
t->in.maxpcount = smbnhgets(pdata); pdata += 2;
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32 |
t->in.maxdcount = smbnhgets(pdata); pdata += 2;
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33 |
t->in.maxscount = *pdata++;
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34 |
pdata++;
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35 |
t->in.flags = smbnhgets(pdata); pdata += 2;
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36 |
pdata += 4; /* timeout */
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37 |
pdata += 2;
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38 |
t->in.pcount = smbnhgets(pdata); pdata += 2;
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39 |
poffset = smbnhgets(pdata); pdata += 2;
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40 |
t->in.dcount = smbnhgets(pdata); pdata += 2;
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41 |
doffset = smbnhgets(pdata); pdata += 2;
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42 |
pdata++; /* scount */
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43 |
pdata++; /* reserved */
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44 |
smbfree(&t->in.setup);
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45 |
if (t->in.scount) {
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46 |
int x;
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47 |
t->in.setup = smbemalloc(t->in.scount * sizeof(ushort));
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48 |
for (x = 0; x < t->in.scount; x++) {
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49 |
t->in.setup[x] = smbnhgets(pdata);
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50 |
pdata += 2;
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51 |
}
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52 |
}
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53 |
smbfree(&t->in.name);
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54 |
if (hasname && !smbbuffergetstring(b, h, SMB_STRING_PATH, &t->in.name)) {
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55 |
smbstringprint(errmsgp, "not enough bdata for name");
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56 |
return -1;
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57 |
}
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58 |
if (poffset + t->in.pcount > smbbufferwriteoffset(b)) {
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59 |
smbstringprint(errmsgp, "not enough bdata for parameters");
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60 |
return -1;
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61 |
}
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62 |
if (t->in.pcount > t->in.tpcount) {
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63 |
smbstringprint(errmsgp, "too many parameters");
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64 |
return -1;
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65 |
}
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66 |
smbfree(&t->in.parameters);
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67 |
t->in.parameters = smbemalloc(t->in.tpcount);
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68 |
memcpy(t->in.parameters, smbbufferpointer(b, poffset), t->in.pcount);
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69 |
if (doffset + t->in.dcount > smbbufferwriteoffset(b)) {
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70 |
smbstringprint(errmsgp, "not enough bdata for data");
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71 |
return -1;
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}
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73 |
if (t->in.dcount > t->in.tdcount) {
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74 |
smbstringprint(errmsgp, "too much data");
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75 |
return -1;
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}
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77 |
smbfree(&t->in.data);
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78 |
t->in.data = smbemalloc(t->in.tdcount);
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79 |
memcpy(t->in.data, smbbufferpointer(b, doffset), t->in.dcount);
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80 |
if (t->in.dcount < t->in.tdcount || t->in.pcount < t->in.tpcount)
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81 |
return 0;
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82 |
return 1;
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83 |
}
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84 |
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85 |
int
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86 |
decoderesponse(SmbTransaction *t, Args *a, SmbBuffer *b, char **errmsgp)
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87 |
{
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88 |
if (t->out.tpcount > smbbufferwritemaxoffset(t->out.parameters)) {
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89 |
smbstringprint(errmsgp, "decoderesponse: too many parameters for buffer");
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90 |
return 0;
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91 |
}
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92 |
if (t->out.tdcount > smbbufferwritemaxoffset(t->out.data)) {
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93 |
smbstringprint(errmsgp, "decoderesponse: too much data for buffer");
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94 |
return 0;
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95 |
}
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96 |
if (a->pdisplacement + a->pcount > t->out.tpcount) {
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97 |
smbstringprint(errmsgp, "decoderesponse: more parameters than tpcount");
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98 |
return 0;
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99 |
}
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100 |
if (a->pdisplacement != smbbufferwriteoffset(t->out.parameters)) {
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101 |
smbstringprint(errmsgp, "decoderesponse: parameter displacement inconsistent");
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102 |
return 0;
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103 |
}
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104 |
if (a->ddisplacement + a->dcount > t->out.tdcount) {
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105 |
smbstringprint(errmsgp, "decoderesponse: more data than tdcount");
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106 |
return 0;
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107 |
}
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108 |
if (a->ddisplacement != smbbufferwriteoffset(t->out.data)) {
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109 |
smbstringprint(errmsgp, "decoderesponse: data displacement inconsistent");
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110 |
return 0;
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111 |
}
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112 |
assert(a->scount == 0);
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113 |
if (a->pcount) {
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114 |
if (!smbbufferreadskipto(b, a->poffset)) {
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115 |
smbstringprint(errmsgp, "smbtransactiondecoderesponse: invalid parameter offset");
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116 |
return 0;
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117 |
}
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118 |
if (!smbbuffercopy(t->out.parameters, b, a->pcount)) {
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119 |
smbstringprint(errmsgp, "smbtransactiondecoderesponse: not enough data for parameters");
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120 |
return 0;
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121 |
}
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122 |
}
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123 |
if (a->dcount) {
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124 |
if (!smbbufferreadskipto(b, a->doffset)) {
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125 |
smbstringprint(errmsgp, "smbtransactiondecoderesponse: invalid data offset");
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126 |
return 0;
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127 |
}
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128 |
if (!smbbuffercopy(t->out.data, b, a->dcount)) {
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129 |
smbstringprint(errmsgp, "smbtransactiondecoderesponse: not enough data for data");
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130 |
return 0;
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131 |
}
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132 |
}
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133 |
return 1;
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134 |
}
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135 |
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136 |
int
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137 |
smbtransactiondecoderesponse(SmbTransaction *t, SmbHeader *h, uchar *pdata, SmbBuffer *b, char **errmsgp)
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138 |
{
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139 |
Args a;
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140 |
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141 |
if (h->command != SMB_COM_TRANSACTION) {
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142 |
smbstringprint(errmsgp, "smbtransactiondecoderesponse: not an SMB_COM_TRANSACTION");
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143 |
return 0;
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144 |
}
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145 |
if (h->wordcount < 10) {
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146 |
smbstringprint(errmsgp, "smbtransactiondecoderesponse: word count less than 10");
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147 |
return -1;
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148 |
}
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149 |
t->out.tpcount = smbnhgets(pdata); pdata += 2;
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150 |
t->out.tdcount = smbnhgets(pdata); pdata += 2;
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151 |
pdata += 2;
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152 |
a.pcount = smbnhgets(pdata); pdata += 2;
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153 |
a.poffset = smbnhgets(pdata); pdata += 2;
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154 |
a.pdisplacement = smbnhgets(pdata); pdata += 2;
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155 |
a.dcount = smbnhgets(pdata); pdata += 2;
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156 |
a.doffset = smbnhgets(pdata); pdata += 2;
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157 |
a.ddisplacement = smbnhgets(pdata); pdata += 2;
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158 |
a.scount = *pdata;
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159 |
if (a.scount != h->wordcount - 10) {
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160 |
smbstringprint(errmsgp, "smbtransactiondecoderesponse: scount inconsistent");
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161 |
return 0;
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162 |
}
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163 |
return decoderesponse(t, &a, b, errmsgp);
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164 |
}
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165 |
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166 |
int
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167 |
smbtransactiondecoderesponse2(SmbTransaction *t, SmbHeader *h, uchar *pdata, SmbBuffer *b, char **errmsgp)
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168 |
{
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169 |
Args a;
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170 |
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171 |
if (h->command != SMB_COM_TRANSACTION2) {
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172 |
smbstringprint(errmsgp, "smbtransactiondecoderesponse2: not an SMB_COM_TRANSACTION2");
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173 |
return 0;
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174 |
}
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175 |
if (h->wordcount < 10) {
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176 |
smbstringprint(errmsgp, "smbtransactiondecoderesponse2: word count less than 10");
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177 |
return -1;
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178 |
}
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179 |
t->out.tpcount = smbnhgets(pdata); pdata += 2;
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180 |
t->out.tdcount = smbnhgets(pdata); pdata += 2;
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181 |
pdata += 2;
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182 |
a.pcount = smbnhgets(pdata); pdata += 2;
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183 |
a.poffset = smbnhgets(pdata); pdata += 2;
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184 |
a.pdisplacement = smbnhgets(pdata); pdata += 2;
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185 |
a.dcount = smbnhgets(pdata); pdata += 2;
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186 |
a.doffset = smbnhgets(pdata); pdata += 2;
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187 |
a.ddisplacement = smbnhgets(pdata); pdata += 2;
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188 |
a.scount = *pdata;
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189 |
if (a.scount != h->wordcount - 10) {
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190 |
smbstringprint(errmsgp, "smbtransactiondecoderesponse2: scount inconsistent");
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191 |
return 0;
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192 |
}
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193 |
return decoderesponse(t, &a, b, errmsgp);
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194 |
}
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195 |
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196 |
int
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197 |
smbtransactiondecodeprimary(SmbTransaction *t, SmbHeader *h, uchar *pdata, SmbBuffer *b, char **errmsgp)
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198 |
{
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199 |
return _smbtransactiondecodeprimary(t, h, pdata, b, 1, errmsgp);
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200 |
}
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201 |
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202 |
int
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203 |
smbtransactiondecodeprimary2(SmbTransaction *t, SmbHeader *h, uchar *pdata, SmbBuffer *b, char **errmsgp)
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204 |
{
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205 |
return _smbtransactiondecodeprimary(t, h, pdata, b, 0, errmsgp);
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206 |
}
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207 |
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208 |
void
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209 |
smbtransactionfree(SmbTransaction *t)
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210 |
{
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211 |
free(t->in.parameters);
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212 |
free(t->in.data);
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213 |
free(t->in.setup);
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214 |
free(t->in.name);
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215 |
smbbufferfree(&t->out.parameters);
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216 |
smbbufferfree(&t->out.data);
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217 |
}
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218 |
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219 |
static int
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220 |
_transactionencodeprimary(SmbTransaction *t, uchar cmd, SmbHeader *h, SmbPeerInfo *p, SmbBuffer *ob,
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221 |
uchar *wordcountp, ushort *bytecountp, char **errmsgp)
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222 |
{
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223 |
SmbHeader mh;
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224 |
ulong countsfixupoffset, bytecountfixupoffset;
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225 |
int x;
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226 |
mh = *h;
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227 |
*wordcountp = mh.wordcount = 14 + t->in.scount;
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228 |
mh.flags &= ~SMB_FLAGS_SERVER_TO_REDIR;
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229 |
mh.command = cmd;
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230 |
if (!smbbufferputheader(ob, &mh, p)) {
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231 |
toosmall:
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232 |
smbstringprint(errmsgp, "output buffer too small");
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233 |
return 0;
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234 |
}
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235 |
if (t->in.tpcount > 65535 || t->in.tdcount > 65535 || t->in.maxpcount > 65535 || t->in.maxdcount > 65535) {
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236 |
smbstringprint(errmsgp, "counts too big");
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237 |
return 0;
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238 |
}
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239 |
if (!smbbufferputs(ob, t->in.tpcount)
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240 |
|| !smbbufferputs(ob, t->in.tdcount)
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241 |
|| !smbbufferputs(ob, t->in.maxpcount)
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242 |
|| !smbbufferputs(ob, t->in.maxdcount)
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243 |
|| !smbbufferputb(ob, t->in.maxscount)
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244 |
|| !smbbufferputb(ob, 0)
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245 |
|| !smbbufferputs(ob, t->in.flags)
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246 |
|| !smbbufferputl(ob, 0)
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247 |
|| !smbbufferputs(ob, 0))
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248 |
goto toosmall;
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249 |
countsfixupoffset = smbbufferwriteoffset(ob);
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250 |
if (!smbbufferputs(ob, 0)
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251 |
|| !smbbufferputs(ob, 0)
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252 |
|| !smbbufferputs(ob, 0)
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253 |
|| !smbbufferputs(ob, 0))
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254 |
goto toosmall;
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255 |
if (!smbbufferputb(ob, t->in.scount)
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256 |
|| !smbbufferputb(ob, 0))
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257 |
goto toosmall;
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258 |
for (x = 0; x < t->in.scount; x++)
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259 |
if (!smbbufferputs(ob, t->in.setup[x]))
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260 |
goto toosmall;
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261 |
bytecountfixupoffset = smbbufferwriteoffset(ob);
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262 |
if (!smbbufferputs(ob, 0))
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263 |
goto toosmall;
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264 |
smbbufferwritelimit(ob, smbbufferwriteoffset(ob) + 65535);
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265 |
if (!smbbufferputstring(ob, p, SMB_STRING_UPCASE, t->in.name))
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266 |
goto toosmall;
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267 |
if (t->in.pcount < t->in.tpcount) {
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|
268 |
ulong align = smbbufferwriteoffset(ob) & 1;
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|
269 |
ulong pthistime;
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|
270 |
pthistime = smbbufferwritespace(ob) - align;
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|
271 |
if (pthistime > t->in.tpcount - t->in.pcount)
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272 |
pthistime = t->in.tpcount - t->in.pcount;
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273 |
if (pthistime > 65535)
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|
274 |
pthistime = 65535;
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|
275 |
if (smbbufferwriteoffset(ob) > 65535)
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|
276 |
pthistime = 0;
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|
277 |
if (pthistime) {
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|
278 |
assert(smbbufferalignl2(ob, 0));
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|
279 |
assert(smbbufferoffsetputs(ob, countsfixupoffset, pthistime));
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|
280 |
assert(smbbufferoffsetputs(ob, countsfixupoffset + 2, smbbufferwriteoffset(ob)));
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|
281 |
assert(smbbufferputbytes(ob, t->in.parameters + t->in.pcount, pthistime));
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|
282 |
}
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|
283 |
t->in.pcount += pthistime;
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|
284 |
}
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|
285 |
if (t->in.dcount < t->in.tdcount) {
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|
286 |
ulong align = smbbufferwriteoffset(ob) & 1;
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|
287 |
ulong dthistime;
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|
288 |
dthistime = smbbufferwritespace(ob) - align;
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|
289 |
if (dthistime > t->in.tdcount - t->in.dcount)
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|
290 |
dthistime = t->in.tdcount - t->in.dcount;
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|
291 |
if (dthistime > 65535)
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|
292 |
dthistime = 65535;
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|
293 |
if (smbbufferwriteoffset(ob) > 65535)
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|
294 |
dthistime = 0;
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|
295 |
if (dthistime) {
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|
296 |
assert(smbbufferalignl2(ob, 0));
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|
297 |
assert(smbbufferoffsetputs(ob, countsfixupoffset + 4, dthistime));
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|
298 |
assert(smbbufferoffsetputs(ob, countsfixupoffset + 6, smbbufferwriteoffset(ob)));
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|
299 |
assert(smbbufferputbytes(ob, t->in.data + t->in.dcount, dthistime));
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|
300 |
}
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|
301 |
t->in.dcount += dthistime;
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|
302 |
}
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|
303 |
*bytecountp = smbbufferwriteoffset(ob) - bytecountfixupoffset - 2;
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|
304 |
assert(smbbufferoffsetputs(ob, bytecountfixupoffset, *bytecountp));
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|
305 |
return 1;
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|
306 |
}
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|
307 |
|
|
|
308 |
int
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|
309 |
smbtransactionencodeprimary(SmbTransaction *t, SmbHeader *h, SmbPeerInfo *p, SmbBuffer *ob,
|
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|
310 |
uchar *wordcountp, ushort *bytecountp, char **errmsgp)
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|
311 |
{
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|
312 |
return _transactionencodeprimary(t, SMB_COM_TRANSACTION, h, p,ob, wordcountp, bytecountp, errmsgp);
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|
313 |
};
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|
314 |
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|
315 |
int
|
|
|
316 |
smbtransactionencodeprimary2(SmbTransaction *t, SmbHeader *h, SmbPeerInfo *p, SmbBuffer *ob,
|
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|
317 |
uchar *wordcountp, ushort *bytecountp, char **errmsgp)
|
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|
318 |
{
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|
319 |
return _transactionencodeprimary(t, SMB_COM_TRANSACTION2, h, p,ob, wordcountp, bytecountp, errmsgp);
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|
320 |
};
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|
321 |
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|
322 |
int
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|
323 |
_transactionencoderesponse(SmbTransaction *t, SmbHeader *h, SmbPeerInfo *p, SmbBuffer *ob, uchar cmd,
|
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|
324 |
char **errmsgp)
|
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|
325 |
{
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|
326 |
SmbHeader mh;
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|
327 |
ulong countsfixupoffset, bytecountfixupoffset;
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|
328 |
int palign, dalign;
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|
329 |
ulong pbytecount, dbytecount;
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|
330 |
ulong poffset, doffset;
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331 |
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|
332 |
if (t->in.maxpcount > 65535 || t->in.maxdcount > 65535) {
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|
333 |
smbstringprint(errmsgp, "counts too big");
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|
334 |
return 0;
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|
335 |
}
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|
336 |
mh = *h;
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|
337 |
mh.wordcount = 10;
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|
338 |
mh.flags &= ~SMB_FLAGS_SERVER_TO_REDIR;
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|
339 |
mh.command = cmd;
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|
340 |
mh.errclass = SUCCESS;
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|
341 |
mh.error = SUCCESS;
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|
342 |
if (!smbbufferputheader(ob, &mh, p)
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|
343 |
|| !smbbufferputs(ob, smbbufferwriteoffset(t->out.parameters))
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344 |
|| !smbbufferputs(ob, smbbufferwriteoffset(t->out.data))
|
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|
345 |
|| !smbbufferputs(ob, 0)) {
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|
346 |
toosmall:
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|
347 |
smbstringprint(errmsgp, "output buffer too small");
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348 |
goto toosmall;
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|
349 |
}
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|
350 |
countsfixupoffset = smbbufferwriteoffset(ob);
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|
351 |
if (!smbbufferputbytes(ob, nil, 6 * sizeof(ushort))
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|
352 |
|| !smbbufferputb(ob, 0) // scount == 0
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|
353 |
|| !smbbufferputb(ob, 0)) // reserved2
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|
354 |
goto toosmall;
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|
355 |
/* now the byte count */
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|
356 |
bytecountfixupoffset = smbbufferwriteoffset(ob);
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|
357 |
if (!smbbufferputs(ob, 0))
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|
358 |
goto toosmall;
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|
359 |
smbbufferwritelimit(ob, smbbufferwriteoffset(ob) + 65535);
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|
360 |
palign = bytecountfixupoffset & 1;
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|
361 |
if (palign && !smbbufferputb(ob, 0))
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|
362 |
goto toosmall;
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|
363 |
pbytecount = smbbufferreadspace(t->out.parameters);
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|
364 |
if (pbytecount > smbbufferwritespace(ob))
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|
365 |
pbytecount = smbbufferwritespace(ob);
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|
366 |
poffset = smbbufferwriteoffset(ob);
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|
367 |
if (poffset > 65535)
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|
368 |
goto toosmall;
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|
369 |
if (!smbbufferputbytes(ob, smbbufferreadpointer(t->out.parameters), pbytecount))
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|
370 |
goto toosmall;
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|
371 |
dalign = smbbufferwritespace(ob) > 0 && (smbbufferwriteoffset(ob) & 1) != 0;
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|
372 |
if (dalign && !smbbufferputb(ob, 0))
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|
373 |
goto toosmall;
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|
374 |
dbytecount = smbbufferreadspace(t->out.data);
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|
375 |
if (dbytecount > smbbufferwritespace(ob))
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|
376 |
dbytecount = smbbufferwritespace(ob);
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|
377 |
doffset = smbbufferwriteoffset(ob);
|
|
|
378 |
if (doffset > 65535)
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|
379 |
goto toosmall;
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|
380 |
if (!smbbufferputbytes(ob, smbbufferreadpointer(t->out.data), dbytecount))
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|
381 |
goto toosmall;
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|
382 |
if (!smbbufferoffsetputs(ob, bytecountfixupoffset, palign + pbytecount + dalign + dbytecount)
|
|
|
383 |
|| !smbbufferoffsetputs(ob, countsfixupoffset, pbytecount)
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|
|
384 |
|| !smbbufferoffsetputs(ob, countsfixupoffset + 2, poffset)
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|
|
385 |
|| !smbbufferoffsetputs(ob, countsfixupoffset + 4, smbbufferreadoffset(t->out.parameters))
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|
386 |
|| !smbbufferoffsetputs(ob, countsfixupoffset + 6, dbytecount)
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|
|
387 |
|| !smbbufferoffsetputs(ob, countsfixupoffset + 8, doffset)
|
|
|
388 |
|| !smbbufferoffsetputs(ob, countsfixupoffset + 10, smbbufferreadoffset(t->out.data)))
|
|
|
389 |
goto toosmall;
|
|
|
390 |
assert(smbbufferoffsetputs(ob, bytecountfixupoffset, smbbufferwriteoffset(ob) - bytecountfixupoffset - 2));
|
|
|
391 |
smbbuffergetbytes(t->out.parameters, nil, pbytecount);
|
|
|
392 |
smbbuffergetbytes(t->out.data, nil, dbytecount);
|
|
|
393 |
return 1;
|
|
|
394 |
}
|
|
|
395 |
|
|
|
396 |
int
|
|
|
397 |
smbtransactionencoderesponse(SmbTransaction *t, SmbHeader *h, SmbPeerInfo *p, SmbBuffer *ob, char **errmsgp)
|
|
|
398 |
{
|
|
|
399 |
return _transactionencoderesponse(t, h, p, ob, SMB_COM_TRANSACTION, errmsgp);
|
|
|
400 |
}
|
|
|
401 |
|
|
|
402 |
int
|
|
|
403 |
smbtransactionencoderesponse2(SmbTransaction *t, SmbHeader *h, SmbPeerInfo *p, SmbBuffer *ob, char **errmsgp)
|
|
|
404 |
{
|
|
|
405 |
return _transactionencoderesponse(t, h, p, ob, SMB_COM_TRANSACTION2, errmsgp);
|
|
|
406 |
}
|
|
|
407 |
|
|
|
408 |
int
|
|
|
409 |
smbtransactionrespond(SmbTransaction *t, SmbHeader *h, SmbPeerInfo *p, SmbBuffer *ob, SmbTransactionMethod *method, void *magic, char **errmsgp)
|
|
|
410 |
{
|
|
|
411 |
/* generate one or more responses */
|
|
|
412 |
while (smbbufferreadspace(t->out.parameters) || smbbufferreadspace(t->out.data)) {
|
|
|
413 |
assert(method->encoderesponse);
|
|
|
414 |
if (!(*method->encoderesponse)(t, h, p, ob, errmsgp))
|
|
|
415 |
return 0;
|
|
|
416 |
assert(method->sendresponse);
|
|
|
417 |
if (!(*method->sendresponse)(magic, ob, errmsgp))
|
|
|
418 |
return 0;
|
|
|
419 |
}
|
|
|
420 |
return 1;
|
|
|
421 |
}
|
|
|
422 |
|
|
|
423 |
int
|
|
|
424 |
smbtransactionnbdgramsend(void *magic, SmbBuffer *ob, char **errmsgp)
|
|
|
425 |
{
|
|
|
426 |
NbDgramSendParameters *p = magic;
|
|
|
427 |
//print("sending to %B\n", p->to);
|
|
|
428 |
//nbdumpdata(smbbufferreadpointer(ob), smbbufferreadspace(ob));
|
|
|
429 |
if (!nbdgramsend(p, smbbufferreadpointer(ob), smbbufferreadspace(ob))) {
|
|
|
430 |
smbstringprint(errmsgp, "dgram send failed");
|
|
|
431 |
return 0;
|
|
|
432 |
}
|
|
|
433 |
return 1;
|
|
|
434 |
}
|
|
|
435 |
|
|
|
436 |
SmbTransactionMethod smbtransactionmethoddgram = {
|
|
|
437 |
.encodeprimary = smbtransactionencodeprimary,
|
|
|
438 |
.sendrequest = smbtransactionnbdgramsend,
|
|
|
439 |
.encoderesponse = smbtransactionencoderesponse,
|
|
|
440 |
};
|
|
|
441 |
|
|
|
442 |
int
|
|
|
443 |
smbtransactionexecute(SmbTransaction *t, SmbHeader *h, SmbPeerInfo *p, SmbBuffer *iob, SmbTransactionMethod *method, void *magic, SmbHeader *rhp, char **errmsgp)
|
|
|
444 |
{
|
|
|
445 |
uchar sentwordcount;
|
|
|
446 |
ushort sentbytecount;
|
|
|
447 |
SmbHeader rh;
|
|
|
448 |
smbbufferreset(iob);
|
|
|
449 |
if (!(*method->encodeprimary)(t, h, p, iob, &sentwordcount, &sentbytecount, errmsgp))
|
|
|
450 |
return 0;
|
|
|
451 |
// smblogprint(-1, "sent...\n");
|
|
|
452 |
// smblogdata(-1, smblogprint, smbbufferreadpointer(iob), smbbufferreadspace(iob));
|
|
|
453 |
if (!(*method->sendrequest)(magic, iob, errmsgp))
|
|
|
454 |
return 0;
|
|
|
455 |
if (t->in.pcount < t->in.tpcount || t->in.dcount < t->in.tdcount) {
|
|
|
456 |
uchar wordcount;
|
|
|
457 |
ushort bytecount;
|
|
|
458 |
/* secondary needed */
|
|
|
459 |
if (method->encodesecondary == nil || method->receiveintermediate == nil) {
|
|
|
460 |
smbstringprint(errmsgp, "buffer too small and secondaries not allowed");
|
|
|
461 |
return 0;
|
|
|
462 |
}
|
|
|
463 |
if (!(*method->receiveintermediate)(magic, &wordcount, &bytecount, errmsgp))
|
|
|
464 |
return 0;
|
|
|
465 |
if (sentwordcount != wordcount || sentbytecount != bytecount) {
|
|
|
466 |
smbstringprint(errmsgp, "server intermediate reply counts differ");
|
|
|
467 |
return 0;
|
|
|
468 |
}
|
|
|
469 |
do {
|
|
|
470 |
if (!(*method->encodesecondary)(t, h, iob, errmsgp))
|
|
|
471 |
return 0;
|
|
|
472 |
if (!(*method->sendrequest)(magic, iob, errmsgp))
|
|
|
473 |
return 0;
|
|
|
474 |
} while (t->in.pcount < t->in.tpcount || t->in.dcount < t->in.tdcount);
|
|
|
475 |
}
|
|
|
476 |
if (method->receiveresponse == nil || method->decoderesponse == nil)
|
|
|
477 |
return 1;
|
|
|
478 |
do {
|
|
|
479 |
uchar *pdata;
|
|
|
480 |
ushort bytecount;
|
|
|
481 |
|
|
|
482 |
if (!(*method->receiveresponse)(magic, iob, errmsgp))
|
|
|
483 |
return 0;
|
|
|
484 |
if (!smbbuffergetheader(iob, &rh, &pdata, &bytecount)) {
|
|
|
485 |
smbstringprint(errmsgp, "smbtransactionexecute: invalid response header");
|
|
|
486 |
return 0;
|
|
|
487 |
}
|
|
|
488 |
if (!smbcheckheaderdirection(&rh, 1, errmsgp))
|
|
|
489 |
return 0;
|
|
|
490 |
if (rh.errclass != SUCCESS) {
|
|
|
491 |
smbstringprint(errmsgp, "smbtransactionexecute: remote error %d/%d", rh.errclass, rh.error);
|
|
|
492 |
return 0;
|
|
|
493 |
}
|
|
|
494 |
if (!smbbuffertrimreadlen(iob, bytecount)) {
|
|
|
495 |
smbstringprint(errmsgp, "smbtransactionexecute: invalid bytecount");
|
|
|
496 |
return 0;
|
|
|
497 |
}
|
|
|
498 |
// smblogprint(-1, "received...\n");
|
|
|
499 |
// smblogdata(-1, smblogprint, smbbufferreadpointer(iob), smbbufferreadspace(iob));
|
|
|
500 |
if (!(*method->decoderesponse)(t, &rh, pdata, iob, errmsgp))
|
|
|
501 |
return 0;
|
|
|
502 |
} while (smbbufferwriteoffset(t->out.parameters) < t->out.tpcount || smbbufferwriteoffset(t->out.data) < t->out.tdcount);
|
|
|
503 |
if (rhp)
|
|
|
504 |
*rhp = rh;
|
|
|
505 |
return 1;
|
|
|
506 |
}
|
|
|
507 |
|