annotate rvinterf/libg23/fmtfunc.c @ 1015:9ced8e13cf91

fc-shell tch-dl command implementation: brown paper bag
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Sun, 20 Mar 2016 23:07:46 +0000
parents 42c91c51ca7f
children
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1 /*
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2 * This libg23 module exports functions for formatting 3 different kinds
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3 * of GPF packets into human-readable form: traces, system primitives
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4 * and protocol stack primitives.
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5 *
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6 * GPF packets passed to these functions for decoding MUST have already
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7 * been verified to be well-formed for their respective type.
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8 */
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9
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10 #include <sys/types.h>
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11 #include <ctype.h>
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12 #include <stdio.h>
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13 #include <string.h>
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14 #include <strings.h>
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15
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16 static int
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17 entity_name_well_formed(p)
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18 char *p;
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19 {
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20 int i, len;
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21
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22 if (!isupper(p[0]))
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23 return(0);
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24 for (i = 0; i < 4; i++)
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25 if (!isalnum(p[i]))
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26 break;
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27 len = i;
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28 for (; i < 4; i++)
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29 if (p[i] != ' ')
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30 return(0);
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31 return(len);
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32 }
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33
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34 static void
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35 print_entity_name(raw, outp)
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36 char *raw, **outp;
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37 {
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38 int len;
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39
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40 len = entity_name_well_formed(raw);
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41 if (len) {
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42 sprintf(*outp, "%.*s", len, raw);
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43 *outp += len;
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44 } else {
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45 sprintf(*outp, "\"%.4s\"", raw);
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46 *outp += 6;
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47 }
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48 }
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49
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50 static void
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51 print_common_hdr(rxpkt, outp, typestr)
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52 u_char *rxpkt;
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53 char **outp, *typestr;
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54 {
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55 sprintf(*outp, "GPF %s id=%02X ts=%02X%02X%02X%02X ", typestr,
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56 rxpkt[1], rxpkt[7], rxpkt[6], rxpkt[5], rxpkt[4]);
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57 *outp = index(*outp, '\0');
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58 print_entity_name(rxpkt + 8, outp);
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59 *(*outp)++ = '-';
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60 *(*outp)++ = '>';
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61 print_entity_name(rxpkt + 12, outp);
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62 *(*outp)++ = ' ';
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63 }
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64
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65 static void
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66 format_text(rxpkt, rxpkt_len, start_off, outp)
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67 u_char *rxpkt;
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68 char *outp;
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69 {
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70 int i, c;
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71
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72 *outp++ = '\"';
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73 for (i = start_off; i < rxpkt_len; i++) {
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74 c = rxpkt[i];
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75 if (c & 0x80) {
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76 *outp++ = 'M';
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77 *outp++ = '-';
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78 c &= 0x7F;
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79 }
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80 if (c < 0x20) {
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81 *outp++ = '^';
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82 *outp++ = c + '@';
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83 } else if (c == 0x7F) {
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84 *outp++ = '^';
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85 *outp++ = '?';
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86 } else
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87 *outp++ = c;
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88 }
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89 *outp++ = '\"';
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90 *outp = '\0';
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91 }
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92
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93 static void
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94 format_compressed_trace(rxpkt, rxpkt_len, start_off, outp)
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95 u_char *rxpkt;
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96 char *outp;
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97 {
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98 int i;
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99
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100 i = start_off + 1;
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101 sprintf(outp, "%d", rxpkt[i+1] << 8 | rxpkt[i]);
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102 outp = index(outp, '\0');
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103 i += 4;
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104 for (; i < rxpkt_len; i++) {
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105 sprintf(outp, " %02X", rxpkt[i]);
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106 outp += 3;
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107 }
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108 *outp = '\0';
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109 }
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110
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111 void
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112 format_g23_trace(rxpkt, rxpkt_len, outbuf)
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113 u_char *rxpkt;
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114 char *outbuf;
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115 {
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116 char *outp = outbuf;
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117 int i;
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118
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119 print_common_hdr(rxpkt, &outp, "trace");
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120 i = 16;
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121 if (rxpkt[i] < 0x20) {
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122 sprintf(outp, "tc=%02X ", rxpkt[i]);
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123 outp += 6;
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124 i++;
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125 }
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126 if (rxpkt_len - i >= 5 && rxpkt[i] == '%' &&
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127 !rxpkt[i+3] && !rxpkt[i+4])
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128 format_compressed_trace(rxpkt, rxpkt_len, i, outp);
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129 else
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130 format_text(rxpkt, rxpkt_len, i, outp);
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131 }
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132
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133 void
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
134 format_g23_sysprim(rxpkt, rxpkt_len, outbuf)
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
135 u_char *rxpkt;
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
136 char *outbuf;
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
137 {
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
138 char *outp = outbuf;
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
139 int i;
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
140
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
141 print_common_hdr(rxpkt, &outp, "sysprim");
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
142 format_text(rxpkt, rxpkt_len, 16, outp);
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
143 }
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
144
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
145 void
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
146 format_g23_psprim(rxpkt, rxpkt_len, outbuf)
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
147 u_char *rxpkt;
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
148 char *outbuf;
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
149 {
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
150 char *outp = outbuf;
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
151 int i;
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
152
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
153 print_common_hdr(rxpkt, &outp, "PSprim");
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
154 /* original destination */
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
155 *outp++ = '(';
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
156 print_entity_name(rxpkt + 16, &outp);
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
157 *outp++ = ')';
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
158 /* opcode */
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
159 sprintf(outp, " %02X%02X%02X%02X",
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
160 rxpkt[23], rxpkt[22], rxpkt[21], rxpkt[20]);
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
161 outp += 9;
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
162 for (i = 24; i < rxpkt_len; i++) {
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
163 sprintf(outp, " %02X", rxpkt[i]);
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
164 outp += 3;
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
165 }
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
166 *outp = '\0';
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
167 }