1 | |
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2 | /* |
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3 | * msh.c -- The nmh shell |
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4 | * |
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5 | * $Id: msh.c,v 1.1.1.1 1999-02-07 18:14:15 danw Exp $ |
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6 | */ |
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7 | |
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8 | /* |
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9 | * TODO: |
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10 | * Keep more status information in maildrop map |
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11 | */ |
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12 | |
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13 | #include <h/mh.h> |
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14 | #include <fcntl.h> |
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15 | #include <h/signals.h> |
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16 | #include <h/dropsbr.h> |
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17 | #include <h/fmt_scan.h> |
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18 | #include <h/scansbr.h> |
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19 | #include <zotnet/tws/tws.h> |
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20 | #include <zotnet/mts/mts.h> |
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21 | |
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22 | #ifdef HAVE_TERMIOS_H |
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23 | # include <termios.h> |
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24 | #else |
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25 | # ifdef HAVE_TERMIO_H |
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26 | # include <termio.h> |
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27 | # else |
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28 | # include <sgtty.h> |
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29 | # endif |
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30 | #endif |
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31 | |
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32 | #include <pwd.h> |
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33 | #include <setjmp.h> |
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34 | #include <signal.h> |
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35 | #include <h/msh.h> |
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36 | #include <h/vmhsbr.h> |
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37 | |
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38 | #define QUOTE '\\' /* sigh */ |
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39 | |
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40 | static struct swit switches[] = { |
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41 | #define IDSW 0 |
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42 | { "idstart number", -7 }, /* interface from bbc */ |
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43 | #define FDSW 1 |
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44 | { "idstop number", -6 }, /* .. */ |
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45 | #define QDSW 2 |
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46 | { "idquit number", -6 }, /* .. */ |
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47 | #define NMSW 3 |
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48 | { "idname BBoard", -6 }, /* .. */ |
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49 | #define PRMPTSW 4 |
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50 | { "prompt string", 0 }, |
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51 | #define SCANSW 5 |
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52 | { "scan", 0 }, |
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53 | #define NSCANSW 6 |
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54 | { "noscan", 0 }, |
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55 | #define READSW 7 |
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56 | { "vmhread fd", -7 }, |
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57 | #define WRITESW 8 |
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58 | { "vmhwrite fd", -8 }, |
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59 | #define PREADSW 9 |
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60 | { "popread fd", -7 }, |
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61 | #define PWRITSW 10 |
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62 | { "popwrite fd", -8 }, |
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63 | #define TCURSW 11 |
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64 | { "topcur", 0 }, |
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65 | #define NTCURSW 12 |
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66 | { "notopcur", 0 }, |
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67 | #define VERSIONSW 13 |
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68 | { "version", 0 }, |
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69 | #define HELPSW 14 |
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70 | { "help", 4 }, |
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71 | { NULL, 0 } |
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72 | }; |
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73 | |
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74 | static int mbx_style = MMDF_FORMAT; |
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75 | |
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76 | /* |
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77 | * FOLDER |
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78 | */ |
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79 | char*fmsh = NULL; /* folder instead of file */ |
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80 | int modified; /* command modified folder */ |
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81 | struct msgs *mp; /* used a lot */ |
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82 | static int nMsgs = 0; |
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83 | struct Msg *Msgs = NULL; /* Msgs[0] not used */ |
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84 | static FILE *fp; /* input file */ |
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85 | static FILE *yp = NULL; /* temporary file */ |
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86 | static int mode; /* mode of file */ |
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87 | static int numfds = 0; /* number of files cached */ |
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88 | static int maxfds = 0; /* number of files cached to be cached */ |
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89 | static time_t mtime = (time_t) 0; /* mtime of file */ |
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90 | |
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91 | /* |
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92 | * VMH |
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93 | */ |
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94 | #define ALARM ((unsigned int) 10) |
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95 | #define ttyN(c) ttyNaux ((c), NULL) |
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96 | |
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97 | static int vmh = 0; |
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98 | |
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99 | static int vmhpid = OK; |
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100 | static int vmhfd0; |
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101 | static int vmhfd1; |
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102 | static int vmhfd2; |
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103 | |
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104 | static int vmhtty = NOTOK; |
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105 | |
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106 | #define SCAN 1 |
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107 | #define STATUS 2 |
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108 | #define DISPLAY 3 |
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109 | #define NWIN DISPLAY |
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110 | |
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111 | static int topcur = 0; |
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112 | |
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113 | static int numwins = 0; |
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114 | static int windows[NWIN + 1]; |
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115 | |
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116 | static jmp_buf peerenv; |
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117 | |
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118 | #ifdef BPOP |
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119 | int pmsh = 0; /* BPOP enabled */ |
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120 | extern char response[]; |
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121 | #endif /* BPOP */ |
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122 | |
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123 | /* |
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124 | * PARENT |
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125 | */ |
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126 | static int pfd = NOTOK; /* fd parent is reading from */ |
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127 | static int ppid = 0; /* pid of parent */ |
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128 | |
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129 | /* |
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130 | * COMMAND |
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131 | */ |
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132 | int interactive; /* running from a /dev/tty */ |
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133 | int redirected; /* re-directing output */ |
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134 | FILE *sp = NULL; /* original stdout */ |
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135 | |
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136 | char *cmd_name; /* command being run */ |
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137 | char myfilter[BUFSIZ]; /* path to mhl.forward */ |
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138 | |
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139 | static char *myprompt = "(%s) ";/* prompting string */ |
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140 | |
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141 | /* |
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142 | * BBOARDS |
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143 | */ |
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144 | static int gap; /* gap in BBoard-ID:s */ |
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145 | static char *myname = NULL; /* BBoard name */ |
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146 | char *BBoard_ID = "BBoard-ID"; /* BBoard-ID constant */ |
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147 | |
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148 | /* |
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149 | * SIGNALS |
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150 | */ |
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151 | SIGNAL_HANDLER istat; /* original SIGINT */ |
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152 | static SIGNAL_HANDLER pstat; /* current SIGPIPE */ |
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153 | SIGNAL_HANDLER qstat; /* original SIGQUIT */ |
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154 | |
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155 | #ifdef SIGTSTP |
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156 | SIGNAL_HANDLER tstat; /* original SIGTSTP */ |
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157 | #endif |
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158 | |
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159 | int interrupted; /* SIGINT detected */ |
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160 | int broken_pipe; /* SIGPIPE detected */ |
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161 | int told_to_quit; /* SIGQUIT detected */ |
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162 | |
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163 | #ifdef BSD42 |
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164 | int should_intr; /* signal handler should interrupt call */ |
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165 | jmp_buf sigenv; /* the environment pointer */ |
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166 | #endif |
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167 | |
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168 | /* |
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169 | * prototypes |
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170 | */ |
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171 | int SOprintf (char *, ...); /* from termsbr.c */ |
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172 | int sc_width (void); /* from termsbr.c */ |
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173 | void fsetup (char *); |
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174 | void setup (char *); |
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175 | FILE *msh_ready (int, int); |
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176 | void readids (int); |
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177 | int readid (int); |
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178 | void display_info (int); |
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179 | int expand (char *); |
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180 | void m_reset (void); |
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181 | void seq_setcur (struct msgs *, int); |
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182 | void padios (char *, char *, ...); |
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183 | void padvise (char *, char *, ...); |
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184 | |
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185 | |
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186 | /* |
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187 | * static prototypes |
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188 | */ |
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189 | static void msh (int); |
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190 | static int read_map (char *, long); |
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191 | static int read_file (long, int); |
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192 | |
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193 | #ifdef BPOP |
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194 | # ifdef NNTP |
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195 | static int pop_statmsg (char *); |
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196 | # endif /* NNTP */ |
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197 | static int read_pop (void); |
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198 | static int pop_action (char *); |
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199 | #endif /* BPOP */ |
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200 | |
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201 | static void m_gMsgs (int); |
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202 | FILE *msh_ready (int, int); |
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203 | static int check_folder (int); |
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204 | static void scanrange (int, int); |
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205 | static void scanstring (char *); |
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206 | static void write_ids (void); |
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207 | static void quit (void); |
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208 | static int getargs (char *, struct swit *, struct Cmd *); |
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209 | static int getcmds (struct swit *, struct Cmd *, int); |
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210 | static int parse (char *, struct Cmd *); |
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211 | static int init_io (struct Cmd *, int); |
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212 | static int initaux_io (struct Cmd *); |
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213 | static void fin_io (struct Cmd *, int); |
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214 | static void finaux_io (struct Cmd *); |
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215 | static void m_init (void); |
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216 | static RETSIGTYPE intrser (int); |
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217 | static RETSIGTYPE pipeser (int); |
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218 | static RETSIGTYPE quitser (int); |
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219 | static RETSIGTYPE alrmser (int); |
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220 | static int pINI (void); |
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221 | static int pQRY (char *, int); |
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222 | static int pQRY1 (int); |
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223 | static int pQRY2 (void); |
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224 | static int pCMD (char *, struct swit *, struct Cmd *); |
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225 | static int pFIN (void); |
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226 | static int peerwait (void); |
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227 | static int ttyNaux (struct Cmd *, char *); |
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228 | static int ttyR (struct Cmd *); |
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229 | static int winN (struct Cmd *, int, int); |
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230 | static int winR (struct Cmd *); |
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231 | static int winX (int); |
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232 | |
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233 | |
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234 | int |
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235 | main (int argc, char **argv) |
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236 | { |
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237 | int id = 0, scansw = 0, vmh1 = 0, vmh2 = 0; |
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238 | char *cp, *file = NULL, *folder = NULL; |
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239 | char **argp, **arguments, buf[BUFSIZ]; |
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240 | #ifdef BPOP |
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241 | int pmsh1 = 0, pmsh2 = 0; |
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242 | #endif |
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243 | |
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244 | #ifdef LOCALE |
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245 | setlocale(LC_ALL, ""); |
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246 | #endif |
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247 | invo_name = r1bindex (argv[0], '/'); |
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248 | |
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249 | /* read user profile/context */ |
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250 | context_read(); |
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251 | |
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252 | mts_init (invo_name); |
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253 | arguments = getarguments (invo_name, argc,argv, 1); |
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254 | argp = arguments; |
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255 | |
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256 | while ((cp = *argp++)) { |
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257 | if (*cp == '-') |
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258 | switch (smatch (++cp, switches)) { |
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259 | case AMBIGSW: |
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260 | ambigsw (cp, switches); |
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261 | done (1); |
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262 | case UNKWNSW: |
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263 | adios (NULL, "-%s unknown", cp); |
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264 | |
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265 | case HELPSW: |
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266 | snprintf (buf, sizeof(buf), "%s [switches] file", invo_name); |
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267 | print_help (buf, switches, 1); |
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268 | done (1); |
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269 | case VERSIONSW: |
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270 | print_version(invo_name); |
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271 | done (1); |
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272 | |
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273 | case IDSW: |
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274 | if (!(cp = *argp++) || *cp == '-') |
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275 | adios (NULL, "missing argument to %s", argp[-2]); |
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276 | if ((id = atoi (cp)) < 1) |
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277 | adios (NULL, "bad argument %s %s", argp[-2], cp); |
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278 | continue; |
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279 | case FDSW: |
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280 | if (!(cp = *argp++) || *cp == '-') |
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281 | adios (NULL, "missing argument to %s", argp[-2]); |
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282 | if ((pfd = atoi (cp)) <= 1) |
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283 | adios (NULL, "bad argument %s %s", argp[-2], cp); |
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284 | continue; |
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285 | case QDSW: |
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286 | if (!(cp = *argp++) || *cp == '-') |
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287 | adios (NULL, "missing argument to %s", argp[-2]); |
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288 | if ((ppid = atoi (cp)) <= 1) |
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289 | adios (NULL, "bad argument %s %s", argp[-2], cp); |
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290 | continue; |
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291 | case NMSW: |
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292 | if (!(myname = *argp++) || *myname == '-') |
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293 | adios (NULL, "missing argument to %s", argp[-2]); |
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294 | continue; |
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295 | |
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296 | case SCANSW: |
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297 | scansw++; |
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298 | continue; |
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299 | case NSCANSW: |
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300 | scansw = 0; |
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301 | continue; |
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302 | |
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303 | case PRMPTSW: |
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304 | if (!(myprompt = *argp++) || *myprompt == '-') |
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305 | adios (NULL, "missing argument to %s", argp[-2]); |
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306 | continue; |
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307 | |
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308 | case READSW: |
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309 | if (!(cp = *argp++) || *cp == '-') |
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310 | adios (NULL, "missing argument to %s", argp[-2]); |
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311 | if ((vmh1 = atoi (cp)) < 1) |
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312 | adios (NULL, "bad argument %s %s", argp[-2], cp); |
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313 | continue; |
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314 | case WRITESW: |
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315 | if (!(cp = *argp++) || *cp == '-') |
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316 | adios (NULL, "missing argument to %s", argp[-2]); |
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317 | if ((vmh2 = atoi (cp)) < 1) |
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318 | adios (NULL, "bad argument %s %s", argp[-2], cp); |
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319 | continue; |
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320 | |
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321 | case PREADSW: |
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322 | if (!(cp = *argp++) || *cp == '-') |
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323 | adios (NULL, "missing argument to %s", argp[-2]); |
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324 | #ifdef BPOP |
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325 | if ((pmsh1 = atoi (cp)) < 1) |
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326 | adios (NULL, "bad argument %s %s", argp[-2], cp); |
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327 | #endif /* BPOP */ |
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328 | continue; |
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329 | case PWRITSW: |
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330 | if (!(cp = *argp++) || *cp == '-') |
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331 | adios (NULL, "missing argument to %s", argp[-2]); |
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332 | #ifdef BPOP |
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333 | if ((pmsh2 = atoi (cp)) < 1) |
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334 | adios (NULL, "bad argument %s %s", argp[-2], cp); |
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335 | #endif /* BPOP */ |
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336 | continue; |
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337 | |
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338 | case TCURSW: |
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339 | topcur++; |
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340 | continue; |
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341 | case NTCURSW: |
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342 | topcur = 0; |
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343 | continue; |
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344 | } |
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345 | if (*cp == '+' || *cp == '@') { |
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346 | if (folder) |
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347 | adios (NULL, "only one folder at a time!"); |
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348 | else |
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349 | folder = path (cp + 1, *cp == '+' ? TFOLDER : TSUBCWF); |
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350 | } |
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351 | else |
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352 | if (file) |
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353 | adios (NULL, "only one file at a time!"); |
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354 | else |
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355 | file = cp; |
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356 | } |
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357 | |
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358 | if (!file && !folder) |
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359 | file = "./msgbox"; |
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360 | if (file && folder) |
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361 | adios (NULL, "use a file or a folder, not both"); |
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362 | strncpy (myfilter, etcpath (mhlforward), sizeof(myfilter)); |
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363 | #ifdef FIOCLEX |
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364 | if (pfd > 1) |
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365 | ioctl (pfd, FIOCLEX, NULL); |
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366 | #endif /* FIOCLEX */ |
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367 | |
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368 | #ifdef BSD42 |
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369 | should_intr = 0; |
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370 | #endif /* BSD42 */ |
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371 | istat = SIGNAL2 (SIGINT, intrser); |
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372 | qstat = SIGNAL2 (SIGQUIT, quitser); |
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373 | |
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374 | sc_width (); /* MAGIC... */ |
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375 | |
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376 | if ((vmh = vmh1 && vmh2)) { |
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377 | rcinit (vmh1, vmh2); |
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378 | pINI (); |
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379 | SIGNAL (SIGINT, SIG_IGN); |
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380 | SIGNAL (SIGQUIT, SIG_IGN); |
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381 | #ifdef SIGTSTP |
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382 | tstat = SIGNAL (SIGTSTP, SIG_IGN); |
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383 | #endif /* SIGTSTP */ |
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384 | } |
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385 | |
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386 | #ifdef BPOP |
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387 | if (pmsh = pmsh1 && pmsh2) { |
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388 | cp = getenv ("MHPOPDEBUG"); |
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389 | #ifdef NNTP |
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390 | if (pop_set (pmsh1, pmsh2, cp && *cp, myname) == NOTOK) |
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391 | #else /* NNTP */ |
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392 | if (pop_set (pmsh1, pmsh2, cp && *cp) == NOTOK) |
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393 | #endif /* NNTP */ |
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394 | padios (NULL, "%s", response); |
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395 | if (folder) |
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396 | file = folder, folder = NULL; |
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397 | } |
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398 | #endif /* BPOP */ |
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399 | |
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400 | if (folder) |
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401 | fsetup (folder); |
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402 | else |
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403 | setup (file); |
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404 | readids (id); |
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405 | display_info (id > 0 ? scansw : 0); |
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406 | |
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407 | msh (id > 0 ? scansw : 0); |
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408 | |
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409 | m_reset (); |
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410 | |
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411 | done (0); |
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412 | } |
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413 | |
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414 | |
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415 | static struct swit mshcmds[] = { |
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416 | #define ADVCMD 0 |
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417 | { "advance", -7 }, |
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418 | #define ALICMD 1 |
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419 | { "ali", 0 }, |
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420 | #define EXPLCMD 2 |
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421 | { "burst", 0 }, |
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422 | #define COMPCMD 3 |
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423 | { "comp", 0 }, |
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424 | #define DISTCMD 4 |
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425 | { "dist", 0 }, |
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426 | #define EXITCMD 5 |
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427 | { "exit", 0 }, |
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428 | #define FOLDCMD 6 |
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429 | { "folder", 0 }, |
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430 | #define FORWCMD 7 |
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431 | { "forw", 0 }, |
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432 | #define HELPCMD 8 |
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433 | { "help", 0 }, |
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434 | #define INCMD 9 |
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435 | { "inc", 0 }, |
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436 | #define MARKCMD 10 |
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437 | { "mark", 0 }, |
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438 | #define MAILCMD 11 |
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439 | { "mhmail", 0 }, |
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440 | #define MHNCMD 12 |
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441 | { "mhn", 0 }, |
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442 | #define MSGKCMD 13 |
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443 | { "msgchk", 0 }, |
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444 | #define NEXTCMD 14 |
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445 | { "next", 0 }, |
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446 | #define PACKCMD 15 |
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447 | { "packf", 0 }, |
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448 | #define PICKCMD 16 |
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449 | { "pick", 0 }, |
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450 | #define PREVCMD 17 |
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451 | { "prev", 0 }, |
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452 | #define QUITCMD 18 |
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453 | { "quit", 0 }, |
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454 | #define FILECMD 19 |
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455 | { "refile", 0 }, |
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456 | #define REPLCMD 20 |
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457 | { "repl", 0 }, |
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458 | #define RMMCMD 21 |
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459 | { "rmm", 0 }, |
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460 | #define SCANCMD 22 |
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461 | { "scan", 0 }, |
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462 | #define SENDCMD 23 |
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463 | { "send", 0 }, |
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464 | #define SHOWCMD 24 |
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465 | { "show", 0 }, |
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466 | #define SORTCMD 25 |
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467 | { "sortm", 0 }, |
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468 | #define WHATCMD 26 |
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469 | { "whatnow", 0 }, |
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470 | #define WHOMCMD 27 |
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471 | { "whom", 0 }, |
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472 | { NULL, 0 } |
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473 | }; |
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474 | |
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475 | |
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476 | static void |
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477 | msh (int scansw) |
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478 | { |
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479 | int i; |
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480 | register char *cp, **ap; |
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481 | char prompt[BUFSIZ], *vec[MAXARGS]; |
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482 | struct Cmd typein; |
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483 | register struct Cmd *cmdp; |
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484 | static int once_only = ADVCMD; |
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485 | |
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486 | snprintf (prompt, sizeof(prompt), myprompt, invo_name); |
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487 | cmdp = &typein; |
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488 | |
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489 | for (;;) { |
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490 | if (yp) { |
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491 | fclose (yp); |
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492 | yp = NULL; |
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493 | } |
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494 | if (vmh) { |
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495 | if ((i = getcmds (mshcmds, cmdp, scansw)) == EOF) { |
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496 | rcdone (); |
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497 | return; |
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498 | } |
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499 | } else { |
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500 | check_folder (scansw); |
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501 | if ((i = getargs (prompt, mshcmds, cmdp)) == EOF) { |
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502 | putchar ('\n'); |
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503 | return; |
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504 | } |
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505 | } |
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506 | cmd_name = mshcmds[i].sw; |
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507 | |
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508 | switch (i) { |
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509 | case QUITCMD: |
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510 | quit (); |
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511 | return; |
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512 | |
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513 | case ADVCMD: |
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514 | if (once_only == ADVCMD) |
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515 | once_only = i = SHOWCMD; |
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516 | else |
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517 | i = mp->curmsg != mp->hghmsg ? NEXTCMD : EXITCMD; |
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518 | cmd_name = mshcmds[i].sw; |
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519 | /* and fall... */ |
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520 | |
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521 | case EXITCMD: |
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522 | case EXPLCMD: |
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523 | case FOLDCMD: |
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524 | case FORWCMD: /* sigh */ |
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525 | case MARKCMD: |
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526 | case NEXTCMD: |
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527 | case PACKCMD: |
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528 | case PICKCMD: |
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529 | case PREVCMD: |
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530 | case RMMCMD: |
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531 | case SHOWCMD: |
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532 | case SCANCMD: |
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533 | case SORTCMD: |
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534 | if ((cp = context_find (cmd_name))) { |
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535 | cp = getcpy (cp); |
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536 | ap = brkstring (cp, " ", "\n"); |
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537 | ap = copyip (ap, vec, MAXARGS); |
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538 | } else { |
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539 | ap = vec; |
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540 | } |
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541 | break; |
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542 | |
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543 | default: |
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544 | cp = NULL; |
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545 | ap = vec; |
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546 | break; |
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547 | } |
---|
548 | copyip (cmdp->args + 1, ap, MAXARGS); |
---|
549 | |
---|
550 | m_init (); |
---|
551 | |
---|
552 | if (!vmh && init_io (cmdp, vmh) == NOTOK) { |
---|
553 | if (cp != NULL) |
---|
554 | free (cp); |
---|
555 | continue; |
---|
556 | } |
---|
557 | modified = 0; |
---|
558 | redirected = vmh || cmdp->direction != STDIO; |
---|
559 | |
---|
560 | switch (i) { |
---|
561 | case ALICMD: |
---|
562 | case COMPCMD: |
---|
563 | case INCMD: |
---|
564 | case MAILCMD: |
---|
565 | case MSGKCMD: |
---|
566 | case SENDCMD: |
---|
567 | case WHATCMD: |
---|
568 | case WHOMCMD: |
---|
569 | if (!vmh || ttyN (cmdp) != NOTOK) |
---|
570 | forkcmd (vec, cmd_name); |
---|
571 | break; |
---|
572 | |
---|
573 | case DISTCMD: |
---|
574 | if (!vmh || ttyN (cmdp) != NOTOK) |
---|
575 | distcmd (vec); |
---|
576 | break; |
---|
577 | |
---|
578 | case EXPLCMD: |
---|
579 | if (!vmh || winN (cmdp, DISPLAY, 1) != NOTOK) |
---|
580 | explcmd (vec); |
---|
581 | break; |
---|
582 | |
---|
583 | case FILECMD: |
---|
584 | if (!vmh |
---|
585 | || (filehak (vec) == OK ? ttyN (cmdp) |
---|
586 | : winN (cmdp, DISPLAY, 1)) != NOTOK) |
---|
587 | filecmd (vec); |
---|
588 | break; |
---|
589 | |
---|
590 | case FOLDCMD: |
---|
591 | if (!vmh || winN (cmdp, DISPLAY, 1) != NOTOK) |
---|
592 | foldcmd (vec); |
---|
593 | break; |
---|
594 | |
---|
595 | case FORWCMD: |
---|
596 | if (!vmh || ttyN (cmdp) != NOTOK) |
---|
597 | forwcmd (vec); |
---|
598 | break; |
---|
599 | |
---|
600 | case HELPCMD: |
---|
601 | if (!vmh || winN (cmdp, DISPLAY, 1) != NOTOK) |
---|
602 | helpcmd (vec); |
---|
603 | break; |
---|
604 | |
---|
605 | case EXITCMD: |
---|
606 | case MARKCMD: |
---|
607 | if (!vmh || winN (cmdp, DISPLAY, 1) != NOTOK) |
---|
608 | markcmd (vec); |
---|
609 | break; |
---|
610 | |
---|
611 | case MHNCMD: |
---|
612 | if (!vmh || ttyN (cmdp) != NOTOK) |
---|
613 | mhncmd (vec); |
---|
614 | break; |
---|
615 | |
---|
616 | case NEXTCMD: |
---|
617 | case PREVCMD: |
---|
618 | case SHOWCMD: |
---|
619 | if (!vmh || winN (cmdp, DISPLAY, 1) != NOTOK) |
---|
620 | showcmd (vec); |
---|
621 | break; |
---|
622 | |
---|
623 | case PACKCMD: |
---|
624 | if (!vmh |
---|
625 | || (packhak (vec) == OK ? ttyN (cmdp) |
---|
626 | : winN (cmdp, DISPLAY, 1)) != NOTOK) |
---|
627 | packcmd (vec); |
---|
628 | break; |
---|
629 | |
---|
630 | case PICKCMD: |
---|
631 | if (!vmh || winN (cmdp, DISPLAY, 1) != NOTOK) |
---|
632 | pickcmd (vec); |
---|
633 | break; |
---|
634 | |
---|
635 | case REPLCMD: |
---|
636 | if (!vmh || ttyN (cmdp) != NOTOK) |
---|
637 | replcmd (vec); |
---|
638 | break; |
---|
639 | |
---|
640 | case RMMCMD: |
---|
641 | if (!vmh || winN (cmdp, DISPLAY, 1) != NOTOK) |
---|
642 | rmmcmd (vec); |
---|
643 | break; |
---|
644 | |
---|
645 | case SCANCMD: |
---|
646 | if (!vmh || winN (cmdp, DISPLAY, 1) != NOTOK) |
---|
647 | scancmd (vec); |
---|
648 | break; |
---|
649 | |
---|
650 | case SORTCMD: |
---|
651 | if (!vmh || winN (cmdp, DISPLAY, 1) != NOTOK) |
---|
652 | sortcmd (vec); |
---|
653 | break; |
---|
654 | |
---|
655 | default: |
---|
656 | padios (NULL, "no dispatch for %s", cmd_name); |
---|
657 | } |
---|
658 | |
---|
659 | if (vmh) { |
---|
660 | if (vmhtty != NOTOK) |
---|
661 | ttyR (cmdp); |
---|
662 | if (vmhpid > OK) |
---|
663 | winR (cmdp); |
---|
664 | } |
---|
665 | else |
---|
666 | fin_io (cmdp, vmh); |
---|
667 | if (cp != NULL) |
---|
668 | free (cp); |
---|
669 | if (i == EXITCMD) { |
---|
670 | quit (); |
---|
671 | return; |
---|
672 | } |
---|
673 | } |
---|
674 | } |
---|
675 | |
---|
676 | |
---|
677 | void |
---|
678 | fsetup (char *folder) |
---|
679 | { |
---|
680 | register int msgnum; |
---|
681 | char *maildir; |
---|
682 | struct stat st; |
---|
683 | |
---|
684 | maildir = m_maildir (folder); |
---|
685 | if (chdir (maildir) == NOTOK) |
---|
686 | padios (maildir, "unable to change directory to"); |
---|
687 | |
---|
688 | /* read folder and create message structure */ |
---|
689 | if (!(mp = folder_read (folder))) |
---|
690 | padios (NULL, "unable to read folder %s", folder); |
---|
691 | |
---|
692 | /* check for empty folder */ |
---|
693 | if (mp->nummsg == 0) |
---|
694 | padios (NULL, "no messages in %s", folder); |
---|
695 | |
---|
696 | mode = m_gmprot (); |
---|
697 | mtime = stat (mp->foldpath, &st) != NOTOK ? st.st_mtime : 0; |
---|
698 | |
---|
699 | m_gMsgs (mp->hghmsg); |
---|
700 | |
---|
701 | for (msgnum = mp->lowmsg; msgnum <= mp->hghmsg; msgnum++) { |
---|
702 | Msgs[msgnum].m_bboard_id = 0; |
---|
703 | Msgs[msgnum].m_top = NOTOK; |
---|
704 | Msgs[msgnum].m_start = Msgs[msgnum].m_stop = 0L; |
---|
705 | Msgs[msgnum].m_scanl = NULL; |
---|
706 | } |
---|
707 | |
---|
708 | m_init (); |
---|
709 | |
---|
710 | fmsh = getcpy (folder); |
---|
711 | |
---|
712 | maxfds = OPEN_MAX / 2; |
---|
713 | |
---|
714 | if ((maxfds -= 2) < 1) |
---|
715 | maxfds = 1; |
---|
716 | } |
---|
717 | |
---|
718 | |
---|
719 | void |
---|
720 | setup (char *file) |
---|
721 | { |
---|
722 | int i, msgp; |
---|
723 | struct stat st; |
---|
724 | #ifdef BPOP |
---|
725 | char tmpfil[BUFSIZ]; |
---|
726 | #endif |
---|
727 | |
---|
728 | #ifdef BPOP |
---|
729 | if (pmsh) { |
---|
730 | strncpy (tmpfil, m_tmpfil (invo_name), sizeof(tmpfil)); |
---|
731 | if ((fp = fopen (tmpfil, "w+")) == NULL) |
---|
732 | padios (tmpfil, "unable to create"); |
---|
733 | unlink (tmpfil); |
---|
734 | } |
---|
735 | else |
---|
736 | #endif /* BPOP */ |
---|
737 | if ((fp = fopen (file, "r")) == NULL) |
---|
738 | padios (file, "unable to read"); |
---|
739 | #ifdef FIOCLEX |
---|
740 | ioctl (fileno (fp), FIOCLEX, NULL); |
---|
741 | #endif /* FIOCLEX */ |
---|
742 | if (fstat (fileno (fp), &st) != NOTOK) { |
---|
743 | mode = (int) (st.st_mode & 0777), mtime = st.st_mtime; |
---|
744 | msgp = read_map (file, (long) st.st_size); |
---|
745 | } |
---|
746 | else { |
---|
747 | mode = m_gmprot (), mtime = 0; |
---|
748 | msgp = 0; |
---|
749 | } |
---|
750 | |
---|
751 | if ((msgp = read_file (msgp ? Msgs[msgp].m_stop : 0L, msgp + 1)) < 1) |
---|
752 | padios (NULL, "no messages in %s", myname ? myname : file); |
---|
753 | |
---|
754 | if (!(mp = (struct msgs *) calloc ((size_t) 1, sizeof(*mp)))) |
---|
755 | padios (NULL, "unable to allocate folder storage"); |
---|
756 | |
---|
757 | if (!(mp->msgstats = calloc ((size_t) 1, msgp + 3))) |
---|
758 | padios (NULL, "unable to allocate message status storage"); |
---|
759 | |
---|
760 | mp->hghmsg = msgp; |
---|
761 | mp->nummsg = msgp; |
---|
762 | mp->lowmsg = 1; |
---|
763 | mp->curmsg = 0; |
---|
764 | mp->foldpath = getcpy (myname ? myname : file); |
---|
765 | clear_folder_flags (mp); |
---|
766 | |
---|
767 | #ifdef BPOP |
---|
768 | if (pmsh) |
---|
769 | set_readonly (mp); |
---|
770 | else { |
---|
771 | #endif /* BPOP */ |
---|
772 | stat (file, &st); |
---|
773 | if (st.st_uid != getuid () || access (file, W_OK) == NOTOK) |
---|
774 | set_readonly (mp); |
---|
775 | #ifdef BPOP |
---|
776 | } |
---|
777 | #endif /* BPOP */ |
---|
778 | |
---|
779 | mp->lowoff = 1; |
---|
780 | mp->hghoff = mp->hghmsg + 1; |
---|
781 | |
---|
782 | #ifdef BPOP |
---|
783 | if (pmsh) { |
---|
784 | #ifndef NNTP |
---|
785 | for (i = mp->lowmsg; i <= mp->hghmsg; i++) { |
---|
786 | Msgs[i].m_top = i; |
---|
787 | clear_msg_flags (mp, i); |
---|
788 | set_exists (mp, i); |
---|
789 | set_virtual (mp, i); |
---|
790 | } |
---|
791 | #else /* NNTP */ |
---|
792 | for (i = mp->lowmsg; i <= mp->hghmsg; i++) { |
---|
793 | if (Msgs[i].m_top) /* set in read_pop() */ |
---|
794 | clear_msg_flags (mp, i); |
---|
795 | set_exists (mp, i); |
---|
796 | set_virtual (mp, i); |
---|
797 | } |
---|
798 | #endif /* NNTP */ |
---|
799 | } |
---|
800 | else |
---|
801 | #endif /* BPOP */ |
---|
802 | for (i = mp->lowmsg; i <= mp->hghmsg; i++) { |
---|
803 | clear_msg_flags (mp, i); |
---|
804 | set_exists (mp, i); |
---|
805 | } |
---|
806 | m_init (); |
---|
807 | |
---|
808 | mp->msgattrs[0] = getcpy ("unseen"); |
---|
809 | mp->msgattrs[1] = NULL; |
---|
810 | |
---|
811 | m_unknown (fp); /* the MAGIC invocation */ |
---|
812 | if (fmsh) { |
---|
813 | free (fmsh); |
---|
814 | fmsh = NULL; |
---|
815 | } |
---|
816 | } |
---|
817 | |
---|
818 | |
---|
819 | static int |
---|
820 | read_map (char *file, long size) |
---|
821 | { |
---|
822 | register int i, msgp; |
---|
823 | register struct drop *dp, *mp; |
---|
824 | struct drop *rp; |
---|
825 | |
---|
826 | #ifdef BPOP |
---|
827 | if (pmsh) |
---|
828 | return read_pop (); |
---|
829 | #endif /* BPOP */ |
---|
830 | |
---|
831 | if ((i = map_read (file, size, &rp, 1)) == 0) |
---|
832 | return 0; |
---|
833 | |
---|
834 | m_gMsgs (i); |
---|
835 | |
---|
836 | msgp = 1; |
---|
837 | for (dp = rp + 1; i-- > 0; msgp++, dp++) { |
---|
838 | mp = &Msgs[msgp].m_drop; |
---|
839 | mp->d_id = dp->d_id; |
---|
840 | mp->d_size = dp->d_size; |
---|
841 | mp->d_start = dp->d_start; |
---|
842 | mp->d_stop = dp->d_stop; |
---|
843 | Msgs[msgp].m_scanl = NULL; |
---|
844 | } |
---|
845 | free ((char *) rp); |
---|
846 | |
---|
847 | return (msgp - 1); |
---|
848 | } |
---|
849 | |
---|
850 | |
---|
851 | static int |
---|
852 | read_file (long pos, int msgp) |
---|
853 | { |
---|
854 | register int i; |
---|
855 | register struct drop *dp, *mp; |
---|
856 | struct drop *rp; |
---|
857 | |
---|
858 | #ifdef BPOP |
---|
859 | if (pmsh) |
---|
860 | return (msgp - 1); |
---|
861 | #endif /* BPOP */ |
---|
862 | |
---|
863 | if ((i = mbx_read (fp, pos, &rp, 1)) <= 0) |
---|
864 | return (msgp - 1); |
---|
865 | |
---|
866 | m_gMsgs ((msgp - 1) + i); |
---|
867 | |
---|
868 | for (dp = rp; i-- > 0; msgp++, dp++) { |
---|
869 | mp = &Msgs[msgp].m_drop; |
---|
870 | mp->d_id = 0; |
---|
871 | mp->d_size = dp->d_size; |
---|
872 | mp->d_start = dp->d_start; |
---|
873 | mp->d_stop = dp->d_stop; |
---|
874 | Msgs[msgp].m_scanl = NULL; |
---|
875 | } |
---|
876 | free ((char *) rp); |
---|
877 | |
---|
878 | return (msgp - 1); |
---|
879 | } |
---|
880 | |
---|
881 | |
---|
882 | #ifdef BPOP |
---|
883 | #ifdef NNTP |
---|
884 | static int pop_base = 0; |
---|
885 | |
---|
886 | static int |
---|
887 | pop_statmsg (char *s) |
---|
888 | { |
---|
889 | register int i, n; |
---|
890 | |
---|
891 | n = (i = atoi (s)) - pop_base; /* s="nnn header-line..." */ |
---|
892 | Msgs[n].m_top = Msgs[n].m_bboard_id = i; |
---|
893 | } |
---|
894 | |
---|
895 | #endif /* NNTP */ |
---|
896 | |
---|
897 | static int |
---|
898 | read_pop (void) |
---|
899 | { |
---|
900 | int nmsgs, nbytes; |
---|
901 | |
---|
902 | if (pop_stat (&nmsgs, &nbytes) == NOTOK) |
---|
903 | padios (NULL, "%s", response); |
---|
904 | |
---|
905 | m_gMsgs (nmsgs); |
---|
906 | |
---|
907 | #ifdef NNTP /* this makes read_pop() do some real work... */ |
---|
908 | pop_base = nbytes - 1; /* nmsgs=last-first+1, nbytes=first */ |
---|
909 | pop_exists (pop_statmsg); |
---|
910 | #endif /* NNTP */ |
---|
911 | return nmsgs; |
---|
912 | } |
---|
913 | |
---|
914 | |
---|
915 | static int |
---|
916 | pop_action (char *s) |
---|
917 | { |
---|
918 | fprintf (yp, "%s\n", s); |
---|
919 | } |
---|
920 | #endif /* BPOP */ |
---|
921 | |
---|
922 | |
---|
923 | static void |
---|
924 | m_gMsgs (int n) |
---|
925 | { |
---|
926 | int nmsgs; |
---|
927 | |
---|
928 | if (Msgs == NULL) { |
---|
929 | nMsgs = n + MAXFOLDER / 2; |
---|
930 | Msgs = (struct Msg *) calloc ((size_t) (nMsgs + 2), sizeof *Msgs); |
---|
931 | if (Msgs == NULL) |
---|
932 | padios (NULL, "unable to allocate Msgs structure"); |
---|
933 | return; |
---|
934 | } |
---|
935 | |
---|
936 | if (nMsgs >= n) |
---|
937 | return; |
---|
938 | |
---|
939 | nmsgs = nMsgs + n + MAXFOLDER / 2; |
---|
940 | Msgs = (struct Msg *) realloc ((char *) Msgs, (size_t) (nmsgs + 2) * sizeof *Msgs); |
---|
941 | if (Msgs == NULL) |
---|
942 | padios (NULL, "unable to reallocate Msgs structure"); |
---|
943 | memset((char *) (Msgs + nMsgs + 2), 0, (size_t) ((nmsgs - nMsgs) * sizeof *Msgs)); |
---|
944 | |
---|
945 | nMsgs = nmsgs; |
---|
946 | } |
---|
947 | |
---|
948 | |
---|
949 | FILE * |
---|
950 | msh_ready (int msgnum, int full) |
---|
951 | { |
---|
952 | register int msgp; |
---|
953 | int fd; |
---|
954 | char *cp; |
---|
955 | #ifdef BPOP |
---|
956 | char tmpfil[BUFSIZ]; |
---|
957 | long pos1, pos2; |
---|
958 | #endif |
---|
959 | |
---|
960 | if (yp) { |
---|
961 | fclose (yp); |
---|
962 | yp = NULL; |
---|
963 | } |
---|
964 | |
---|
965 | if (fmsh) { |
---|
966 | if ((fd = Msgs[msgnum].m_top) == NOTOK) { |
---|
967 | if (numfds >= maxfds) |
---|
968 | for (msgp = mp->lowmsg; msgp <= mp->hghmsg; msgp++) |
---|
969 | if (Msgs[msgp].m_top != NOTOK) { |
---|
970 | close (Msgs[msgp].m_top); |
---|
971 | Msgs[msgp].m_top = NOTOK; |
---|
972 | numfds--; |
---|
973 | break; |
---|
974 | } |
---|
975 | |
---|
976 | if ((fd = open (cp = m_name (msgnum), O_RDONLY)) == NOTOK) |
---|
977 | padios (cp, "unable to open message"); |
---|
978 | Msgs[msgnum].m_top = fd; |
---|
979 | numfds++; |
---|
980 | } |
---|
981 | |
---|
982 | if ((fd = dup (fd)) == NOTOK) |
---|
983 | padios ("cached message", "unable to dup"); |
---|
984 | if ((yp = fdopen (fd, "r")) == NULL) |
---|
985 | padios (NULL, "unable to fdopen cached message"); |
---|
986 | fseek (yp, 0L, SEEK_SET); |
---|
987 | return yp; |
---|
988 | } |
---|
989 | |
---|
990 | #ifdef BPOP |
---|
991 | if (pmsh && is_virtual (mp, msgnum)) { |
---|
992 | if (Msgs[msgnum].m_top == 0) |
---|
993 | padios (NULL, "msh_ready (%d, %d) botch", msgnum, full); |
---|
994 | if (!full) { |
---|
995 | strncpy (tmpfil, m_tmpfil (invo_name), sizeof(tmpfil)); |
---|
996 | if ((yp = fopen (tmpfil, "w+")) == NULL) |
---|
997 | padios (tmpfil, "unable to create"); |
---|
998 | unlink (tmpfil); |
---|
999 | |
---|
1000 | if (pop_top (Msgs[msgnum].m_top, 4, pop_action) == NOTOK) |
---|
1001 | padios (NULL, "%s", response); |
---|
1002 | |
---|
1003 | m_eomsbr ((int (*)()) 0); /* XXX */ |
---|
1004 | msg_style = MS_DEFAULT; /* .. */ |
---|
1005 | fseek (yp, 0L, SEEK_SET); |
---|
1006 | return yp; |
---|
1007 | } |
---|
1008 | |
---|
1009 | fseek (fp, 0L, SEEK_END); |
---|
1010 | fwrite (mmdlm1, 1, strlen (mmdlm1), fp); |
---|
1011 | if (fflush (fp)) |
---|
1012 | padios ("temporary file", "write error on"); |
---|
1013 | fseek (fp, 0L, SEEK_END); |
---|
1014 | pos1 = ftell (fp); |
---|
1015 | |
---|
1016 | yp = fp; |
---|
1017 | if (pop_retr (Msgs[msgnum].m_top, pop_action) == NOTOK) |
---|
1018 | padios (NULL, "%s", response); |
---|
1019 | yp = NULL; |
---|
1020 | |
---|
1021 | fseek (fp, 0L, SEEK_END); |
---|
1022 | pos2 = ftell (fp); |
---|
1023 | fwrite (mmdlm2, 1, strlen (mmdlm2), fp); |
---|
1024 | if (fflush (fp)) |
---|
1025 | padios ("temporary file", "write error on"); |
---|
1026 | |
---|
1027 | Msgs[msgnum].m_start = pos1; |
---|
1028 | Msgs[msgnum].m_stop = pos2; |
---|
1029 | |
---|
1030 | unset_virtual (mp, msgnum); |
---|
1031 | } |
---|
1032 | #endif /* BPOP */ |
---|
1033 | |
---|
1034 | m_eomsbr ((int (*)()) 0); /* XXX */ |
---|
1035 | fseek (fp, Msgs[msgnum].m_start, SEEK_SET); |
---|
1036 | return fp; |
---|
1037 | } |
---|
1038 | |
---|
1039 | |
---|
1040 | static int |
---|
1041 | check_folder (int scansw) |
---|
1042 | { |
---|
1043 | int seqnum, i, low, hgh, msgp; |
---|
1044 | struct stat st; |
---|
1045 | |
---|
1046 | #ifdef BPOP |
---|
1047 | if (pmsh) |
---|
1048 | return 0; |
---|
1049 | #endif /* BPOP */ |
---|
1050 | |
---|
1051 | if (fmsh) { |
---|
1052 | if (stat (mp->foldpath, &st) == NOTOK) |
---|
1053 | padios (mp->foldpath, "unable to stat"); |
---|
1054 | if (mtime == st.st_mtime) |
---|
1055 | return 0; |
---|
1056 | mtime = st.st_mtime; |
---|
1057 | |
---|
1058 | low = mp->hghmsg + 1; |
---|
1059 | folder_free (mp); /* free folder/message structure */ |
---|
1060 | |
---|
1061 | if (!(mp = folder_read (fmsh))) |
---|
1062 | padios (NULL, "unable to re-read folder %s", fmsh); |
---|
1063 | |
---|
1064 | hgh = mp->hghmsg; |
---|
1065 | |
---|
1066 | for (msgp = mp->lowmsg; msgp <= mp->hghmsg; msgp++) { |
---|
1067 | if (Msgs[msgp].m_top != NOTOK) { |
---|
1068 | close (Msgs[msgp].m_top); |
---|
1069 | Msgs[msgp].m_top = NOTOK; |
---|
1070 | numfds--; |
---|
1071 | } |
---|
1072 | if (Msgs[msgp].m_scanl) { |
---|
1073 | free (Msgs[msgp].m_scanl); |
---|
1074 | Msgs[msgp].m_scanl = NULL; |
---|
1075 | } |
---|
1076 | } |
---|
1077 | |
---|
1078 | m_init (); |
---|
1079 | |
---|
1080 | if (modified || low > hgh) |
---|
1081 | return 1; |
---|
1082 | goto check_vmh; |
---|
1083 | } |
---|
1084 | if (fstat (fileno (fp), &st) == NOTOK) |
---|
1085 | padios (mp->foldpath, "unable to fstat"); |
---|
1086 | if (mtime == st.st_mtime) |
---|
1087 | return 0; |
---|
1088 | mode = (int) (st.st_mode & 0777); |
---|
1089 | mtime = st.st_mtime; |
---|
1090 | |
---|
1091 | if ((msgp = read_file (Msgs[mp->hghmsg].m_stop, mp->hghmsg + 1)) < 1) |
---|
1092 | padios (NULL, "no messages in %s", mp->foldpath); /* XXX */ |
---|
1093 | if (msgp >= MAXFOLDER) |
---|
1094 | padios (NULL, "more than %d messages in %s", MAXFOLDER, |
---|
1095 | mp->foldpath); |
---|
1096 | if (msgp <= mp->hghmsg) |
---|
1097 | return 0; /* XXX */ |
---|
1098 | |
---|
1099 | if (!(mp = folder_realloc (mp, mp->lowoff, msgp))) |
---|
1100 | padios (NULL, "unable to allocate folder storage"); |
---|
1101 | |
---|
1102 | low = mp->hghmsg + 1, hgh = msgp; |
---|
1103 | seqnum = scansw ? seq_getnum (mp, "unseen") : -1; |
---|
1104 | for (i = mp->hghmsg + 1; i <= msgp; i++) { |
---|
1105 | set_exists(mp, i); |
---|
1106 | if (seqnum != -1) |
---|
1107 | add_sequence(mp, seqnum, i); |
---|
1108 | mp->nummsg++; |
---|
1109 | } |
---|
1110 | mp->hghmsg = msgp; |
---|
1111 | m_init (); |
---|
1112 | |
---|
1113 | check_vmh: ; |
---|
1114 | if (vmh) |
---|
1115 | return 1; |
---|
1116 | |
---|
1117 | advise (NULL, "new messages have arrived!\007"); |
---|
1118 | if (scansw) |
---|
1119 | scanrange (low, hgh); |
---|
1120 | |
---|
1121 | return 1; |
---|
1122 | } |
---|
1123 | |
---|
1124 | |
---|
1125 | static void |
---|
1126 | scanrange (int low, int hgh) |
---|
1127 | { |
---|
1128 | char buffer[BUFSIZ]; |
---|
1129 | |
---|
1130 | snprintf (buffer, sizeof(buffer), "%d-%d", low, hgh); |
---|
1131 | scanstring (buffer); |
---|
1132 | } |
---|
1133 | |
---|
1134 | |
---|
1135 | static void |
---|
1136 | scanstring (char *arg) |
---|
1137 | { |
---|
1138 | char *cp, **ap, *vec[MAXARGS]; |
---|
1139 | |
---|
1140 | /* |
---|
1141 | * This should be replace with a call to getarguments() |
---|
1142 | */ |
---|
1143 | if ((cp = context_find (cmd_name = "scan"))) { |
---|
1144 | cp = getcpy (cp); |
---|
1145 | ap = brkstring (cp, " ", "\n"); |
---|
1146 | ap = copyip (ap, vec, MAXARGS); |
---|
1147 | } else { |
---|
1148 | ap = vec; |
---|
1149 | } |
---|
1150 | *ap++ = arg; |
---|
1151 | *ap = NULL; |
---|
1152 | m_init (); |
---|
1153 | scancmd (vec); |
---|
1154 | if (cp != NULL) |
---|
1155 | free (cp); |
---|
1156 | } |
---|
1157 | |
---|
1158 | |
---|
1159 | void |
---|
1160 | readids (int id) |
---|
1161 | { |
---|
1162 | register int cur, seqnum, i, msgnum; |
---|
1163 | |
---|
1164 | if (mp->curmsg == 0) |
---|
1165 | seq_setcur (mp, mp->lowmsg); |
---|
1166 | if (id <= 0 || (seqnum = seq_getnum (mp, "unseen")) == -1) |
---|
1167 | return; |
---|
1168 | |
---|
1169 | for (msgnum = mp->hghmsg; msgnum >= mp->lowmsg; msgnum--) |
---|
1170 | add_sequence(mp, seqnum, msgnum); |
---|
1171 | |
---|
1172 | if (id != 1) { |
---|
1173 | cur = mp->curmsg; |
---|
1174 | |
---|
1175 | for (msgnum = mp->hghmsg; msgnum >= mp->lowmsg; msgnum--) |
---|
1176 | if (does_exist(mp, msgnum)) /* FIX */ |
---|
1177 | if ((i = readid (msgnum)) > 0 && i < id) { |
---|
1178 | cur = msgnum + 1; |
---|
1179 | clear_sequence(mp, seqnum, msgnum); |
---|
1180 | break; |
---|
1181 | } |
---|
1182 | for (i = mp->lowmsg; i < msgnum; i++) |
---|
1183 | clear_sequence(mp, seqnum, i); |
---|
1184 | |
---|
1185 | if (cur > mp->hghmsg) |
---|
1186 | cur = mp->hghmsg; |
---|
1187 | |
---|
1188 | seq_setcur (mp, cur); |
---|
1189 | } |
---|
1190 | |
---|
1191 | if ((gap = 1 < id && id < (i = readid (mp->lowmsg)) ? id : 0) && !vmh) |
---|
1192 | advise (NULL, "gap in ID:s, last seen %d, lowest present %d\n", |
---|
1193 | id - 1, i); |
---|
1194 | } |
---|
1195 | |
---|
1196 | |
---|
1197 | int |
---|
1198 | readid (int msgnum) |
---|
1199 | { |
---|
1200 | int i, state; |
---|
1201 | char *bp, buf[BUFSIZ], name[NAMESZ]; |
---|
1202 | register FILE *zp; |
---|
1203 | #ifdef BPOP |
---|
1204 | int arg1, arg2, arg3; |
---|
1205 | #endif |
---|
1206 | |
---|
1207 | if (Msgs[msgnum].m_bboard_id) |
---|
1208 | return Msgs[msgnum].m_bboard_id; |
---|
1209 | #ifdef BPOP |
---|
1210 | if (pmsh) { |
---|
1211 | if (Msgs[msgnum].m_top == 0) |
---|
1212 | padios (NULL, "readid (%d) botch", msgnum); |
---|
1213 | if (pop_list (Msgs[msgnum].m_top, (int *) 0, &arg1, &arg2, &arg3) == OK |
---|
1214 | && arg3 > 0) |
---|
1215 | return (Msgs[msgnum].m_bboard_id = arg3); |
---|
1216 | } |
---|
1217 | #endif /* BPOP */ |
---|
1218 | |
---|
1219 | zp = msh_ready (msgnum, 0); |
---|
1220 | for (state = FLD;;) |
---|
1221 | switch (state = m_getfld (state, name, buf, sizeof(buf), zp)) { |
---|
1222 | case FLD: |
---|
1223 | case FLDEOF: |
---|
1224 | case FLDPLUS: |
---|
1225 | if (!strcasecmp (name, BBoard_ID)) { |
---|
1226 | bp = getcpy (buf); |
---|
1227 | while (state == FLDPLUS) { |
---|
1228 | state = m_getfld (state, name, buf, sizeof(buf), zp); |
---|
1229 | bp = add (buf, bp); |
---|
1230 | } |
---|
1231 | i = atoi (bp); |
---|
1232 | free (bp); |
---|
1233 | if (i > 0) |
---|
1234 | return (Msgs[msgnum].m_bboard_id = i); |
---|
1235 | else |
---|
1236 | continue; |
---|
1237 | } |
---|
1238 | while (state == FLDPLUS) |
---|
1239 | state = m_getfld (state, name, buf, sizeof(buf), zp); |
---|
1240 | if (state != FLDEOF) |
---|
1241 | continue; |
---|
1242 | |
---|
1243 | default: |
---|
1244 | return 0; |
---|
1245 | } |
---|
1246 | } |
---|
1247 | |
---|
1248 | |
---|
1249 | void |
---|
1250 | display_info (int scansw) |
---|
1251 | { |
---|
1252 | int seqnum, sd; |
---|
1253 | |
---|
1254 | interactive = isatty (fileno (stdout)); |
---|
1255 | if (sp == NULL) { |
---|
1256 | if ((sd = dup (fileno (stdout))) == NOTOK) |
---|
1257 | padios ("standard output", "unable to dup"); |
---|
1258 | #ifndef BSD42 /* XXX */ |
---|
1259 | #ifdef FIOCLEX |
---|
1260 | ioctl (sd, FIOCLEX, NULL); |
---|
1261 | #endif /* FIOCLEX */ |
---|
1262 | #endif /* not BSD42 */ |
---|
1263 | if ((sp = fdopen (sd, "w")) == NULL) |
---|
1264 | padios ("standard output", "unable to fdopen"); |
---|
1265 | } |
---|
1266 | |
---|
1267 | m_putenv ("mhfolder", mp->foldpath); |
---|
1268 | if (vmh) |
---|
1269 | return; |
---|
1270 | |
---|
1271 | if (myname) { |
---|
1272 | printf ("Reading "); |
---|
1273 | if (SOprintf ("%s", myname)) |
---|
1274 | printf ("%s", myname); |
---|
1275 | printf (", currently at message %d of %d\n", |
---|
1276 | mp->curmsg, mp->hghmsg); |
---|
1277 | } |
---|
1278 | else { |
---|
1279 | printf ("Reading "); |
---|
1280 | if (fmsh) |
---|
1281 | printf ("+%s", fmsh); |
---|
1282 | else |
---|
1283 | printf ("%s", mp->foldpath); |
---|
1284 | printf (", currently at message %d of %d\n", |
---|
1285 | mp->curmsg, mp->hghmsg); |
---|
1286 | } |
---|
1287 | |
---|
1288 | if (((seqnum = seq_getnum (mp, "unseen")) != -1) |
---|
1289 | && scansw |
---|
1290 | && in_sequence(mp, seqnum, mp->hghmsg)) |
---|
1291 | scanstring ("unseen"); |
---|
1292 | } |
---|
1293 | |
---|
1294 | |
---|
1295 | static void |
---|
1296 | write_ids (void) |
---|
1297 | { |
---|
1298 | int i = 0, seqnum, msgnum; |
---|
1299 | char buffer[80]; |
---|
1300 | |
---|
1301 | if (pfd <= 1) |
---|
1302 | return; |
---|
1303 | |
---|
1304 | if ((seqnum = seq_getnum (mp, "unseen")) != -1) |
---|
1305 | for (msgnum = mp->hghmsg; msgnum >= mp->lowmsg; msgnum--) |
---|
1306 | if (!in_sequence(mp, seqnum, msgnum)) { |
---|
1307 | if (Msgs[msgnum].m_bboard_id == 0) |
---|
1308 | readid (msgnum); |
---|
1309 | if ((i = Msgs[msgnum].m_bboard_id) > 0) |
---|
1310 | break; |
---|
1311 | } |
---|
1312 | |
---|
1313 | snprintf (buffer, sizeof(buffer), "%d %d\n", i, Msgs[mp->hghmsg].m_bboard_id); |
---|
1314 | write (pfd, buffer, sizeof(buffer)); |
---|
1315 | close (pfd); |
---|
1316 | pfd = NOTOK; |
---|
1317 | } |
---|
1318 | |
---|
1319 | |
---|
1320 | static void |
---|
1321 | quit (void) |
---|
1322 | { |
---|
1323 | int i, md, msgnum; |
---|
1324 | char *cp, tmpfil[BUFSIZ]; |
---|
1325 | char map1[BUFSIZ], map2[BUFSIZ]; |
---|
1326 | struct stat st; |
---|
1327 | FILE *dp; |
---|
1328 | |
---|
1329 | if (!(mp->msgflags & MODIFIED) || is_readonly(mp) || fmsh) { |
---|
1330 | if (vmh) |
---|
1331 | rc2peer (RC_FIN, 0, NULL); |
---|
1332 | return; |
---|
1333 | } |
---|
1334 | |
---|
1335 | if (vmh) |
---|
1336 | ttyNaux (NULLCMD, "FAST"); |
---|
1337 | cp = NULL; |
---|
1338 | if ((dp = lkfopen (mp->foldpath, "r")) == NULL) { |
---|
1339 | advise (mp->foldpath, "unable to lock"); |
---|
1340 | if (vmh) { |
---|
1341 | ttyR (NULLCMD); |
---|
1342 | pFIN (); |
---|
1343 | } |
---|
1344 | return; |
---|
1345 | } |
---|
1346 | if (fstat (fileno (dp), &st) == NOTOK) { |
---|
1347 | advise (mp->foldpath, "unable to stat"); |
---|
1348 | goto release; |
---|
1349 | } |
---|
1350 | if (mtime != st.st_mtime) { |
---|
1351 | advise (NULL, "new messages have arrived, no update"); |
---|
1352 | goto release; |
---|
1353 | } |
---|
1354 | mode = (int) (st.st_mode & 0777); |
---|
1355 | |
---|
1356 | if (mp->nummsg == 0) { |
---|
1357 | cp = concat ("Zero file \"", mp->foldpath, "\"? ", NULL); |
---|
1358 | if (getanswer (cp)) { |
---|
1359 | if ((i = creat (mp->foldpath, mode)) != NOTOK) |
---|
1360 | close (i); |
---|
1361 | else |
---|
1362 | advise (mp->foldpath, "error zero'ing"); |
---|
1363 | unlink (map_name (mp->foldpath));/* XXX */ |
---|
1364 | } |
---|
1365 | goto release; |
---|
1366 | } |
---|
1367 | |
---|
1368 | cp = concat ("Update file \"", mp->foldpath, "\"? ", NULL); |
---|
1369 | if (!getanswer (cp)) |
---|
1370 | goto release; |
---|
1371 | strncpy (tmpfil, m_backup (mp->foldpath), sizeof(tmpfil)); |
---|
1372 | if ((md = mbx_open (tmpfil, mbx_style, st.st_uid, st.st_gid, mode)) == NOTOK) { |
---|
1373 | advise (tmpfil, "unable to open"); |
---|
1374 | goto release; |
---|
1375 | } |
---|
1376 | |
---|
1377 | for (msgnum = mp->lowmsg; msgnum <= mp->hghmsg; msgnum++) |
---|
1378 | if (does_exist(mp, msgnum) && pack (tmpfil, md, msgnum) == NOTOK) { |
---|
1379 | mbx_close (tmpfil, md); |
---|
1380 | unlink (tmpfil); |
---|
1381 | unlink (map_name (tmpfil)); |
---|
1382 | goto release; |
---|
1383 | } |
---|
1384 | mbx_close (tmpfil, md); |
---|
1385 | |
---|
1386 | if (rename (tmpfil, mp->foldpath) == NOTOK) |
---|
1387 | admonish (mp->foldpath, "unable to rename %s to", tmpfil); |
---|
1388 | else { |
---|
1389 | strncpy (map1, map_name (tmpfil), sizeof(map1)); |
---|
1390 | strncpy (map2, map_name (mp->foldpath), sizeof(map2)); |
---|
1391 | |
---|
1392 | if (rename (map1, map2) == NOTOK) { |
---|
1393 | admonish (map2, "unable to rename %s to", map1); |
---|
1394 | unlink (map1); |
---|
1395 | unlink (map2); |
---|
1396 | } |
---|
1397 | } |
---|
1398 | |
---|
1399 | release: ; |
---|
1400 | if (cp) |
---|
1401 | free (cp); |
---|
1402 | lkfclose (dp, mp->foldpath); |
---|
1403 | if (vmh) { |
---|
1404 | ttyR (NULLCMD); |
---|
1405 | pFIN (); |
---|
1406 | } |
---|
1407 | } |
---|
1408 | |
---|
1409 | |
---|
1410 | static int |
---|
1411 | getargs (char *prompt, struct swit *sw, struct Cmd *cmdp) |
---|
1412 | { |
---|
1413 | int i; |
---|
1414 | char *cp; |
---|
1415 | static char buffer[BUFSIZ]; |
---|
1416 | |
---|
1417 | told_to_quit = 0; |
---|
1418 | for (;;) { |
---|
1419 | interrupted = 0; |
---|
1420 | #ifdef BSD42 |
---|
1421 | switch (setjmp (sigenv)) { |
---|
1422 | case OK: |
---|
1423 | should_intr = 1; |
---|
1424 | break; |
---|
1425 | |
---|
1426 | default: |
---|
1427 | should_intr = 0; |
---|
1428 | if (interrupted && !told_to_quit) { |
---|
1429 | putchar ('\n'); |
---|
1430 | continue; |
---|
1431 | } |
---|
1432 | if (ppid > 0) |
---|
1433 | #ifdef SIGEMT |
---|
1434 | kill (ppid, SIGEMT); |
---|
1435 | #else |
---|
1436 | kill (ppid, SIGTERM); |
---|
1437 | #endif |
---|
1438 | return EOF; |
---|
1439 | } |
---|
1440 | #endif /* BSD42 */ |
---|
1441 | if (interactive) { |
---|
1442 | printf ("%s", prompt); |
---|
1443 | fflush (stdout); |
---|
1444 | } |
---|
1445 | for (cp = buffer; (i = getchar ()) != '\n';) { |
---|
1446 | #ifndef BSD42 |
---|
1447 | if (interrupted && !told_to_quit) { |
---|
1448 | buffer[0] = '\0'; |
---|
1449 | putchar ('\n'); |
---|
1450 | break; |
---|
1451 | } |
---|
1452 | if (told_to_quit || i == EOF) { |
---|
1453 | if (ppid > 0) |
---|
1454 | #ifdef SIGEMT |
---|
1455 | kill (ppid, SIGEMT); |
---|
1456 | #else |
---|
1457 | kill (ppid, SIGTERM); |
---|
1458 | #endif |
---|
1459 | return EOF; |
---|
1460 | } |
---|
1461 | #else /* BSD42 */ |
---|
1462 | if (i == EOF) |
---|
1463 | longjmp (sigenv, DONE); |
---|
1464 | #endif /* BSD42 */ |
---|
1465 | if (cp < &buffer[sizeof buffer - 2]) |
---|
1466 | *cp++ = i; |
---|
1467 | } |
---|
1468 | *cp = 0; |
---|
1469 | |
---|
1470 | if (buffer[0] == 0) |
---|
1471 | continue; |
---|
1472 | if (buffer[0] == '?') { |
---|
1473 | printf ("commands:\n"); |
---|
1474 | print_sw (ALL, sw, ""); |
---|
1475 | printf ("type CTRL-D or use ``quit'' to leave %s\n", |
---|
1476 | invo_name); |
---|
1477 | continue; |
---|
1478 | } |
---|
1479 | |
---|
1480 | if (parse (buffer, cmdp) == NOTOK) |
---|
1481 | continue; |
---|
1482 | |
---|
1483 | switch (i = smatch (cmdp->args[0], sw)) { |
---|
1484 | case AMBIGSW: |
---|
1485 | ambigsw (cmdp->args[0], sw); |
---|
1486 | continue; |
---|
1487 | case UNKWNSW: |
---|
1488 | printf ("say what: ``%s'' -- type ? (or help) for help\n", |
---|
1489 | cmdp->args[0]); |
---|
1490 | continue; |
---|
1491 | default: |
---|
1492 | #ifdef BSD42 |
---|
1493 | should_intr = 0; |
---|
1494 | #endif /* BSD42 */ |
---|
1495 | return i; |
---|
1496 | } |
---|
1497 | } |
---|
1498 | } |
---|
1499 | |
---|
1500 | |
---|
1501 | static int |
---|
1502 | getcmds (struct swit *sw, struct Cmd *cmdp, int scansw) |
---|
1503 | { |
---|
1504 | int i; |
---|
1505 | struct record rcs, *rc; |
---|
1506 | |
---|
1507 | rc = &rcs; |
---|
1508 | initrc (rc); |
---|
1509 | |
---|
1510 | for (;;) |
---|
1511 | switch (peer2rc (rc)) { |
---|
1512 | case RC_QRY: |
---|
1513 | pQRY (rc->rc_data, scansw); |
---|
1514 | break; |
---|
1515 | |
---|
1516 | case RC_CMD: |
---|
1517 | if ((i = pCMD (rc->rc_data, sw, cmdp)) != NOTOK) |
---|
1518 | return i; |
---|
1519 | break; |
---|
1520 | |
---|
1521 | case RC_FIN: |
---|
1522 | if (ppid > 0) |
---|
1523 | #ifdef SIGEMT |
---|
1524 | kill (ppid, SIGEMT); |
---|
1525 | #else |
---|
1526 | kill (ppid, SIGTERM); |
---|
1527 | #endif |
---|
1528 | return EOF; |
---|
1529 | |
---|
1530 | case RC_XXX: |
---|
1531 | padios (NULL, "%s", rc->rc_data); |
---|
1532 | |
---|
1533 | default: |
---|
1534 | fmt2peer (RC_ERR, "pLOOP protocol screw-up"); |
---|
1535 | done (1); |
---|
1536 | } |
---|
1537 | } |
---|
1538 | |
---|
1539 | |
---|
1540 | static int |
---|
1541 | parse (char *buffer, struct Cmd *cmdp) |
---|
1542 | { |
---|
1543 | int argp = 0; |
---|
1544 | char c, *cp, *pp; |
---|
1545 | |
---|
1546 | cmdp->line[0] = 0; |
---|
1547 | pp = cmdp->args[argp++] = cmdp->line; |
---|
1548 | cmdp->redirect = NULL; |
---|
1549 | cmdp->direction = STDIO; |
---|
1550 | cmdp->stream = NULL; |
---|
1551 | |
---|
1552 | for (cp = buffer; c = *cp; cp++) { |
---|
1553 | if (!isspace (c)) |
---|
1554 | break; |
---|
1555 | } |
---|
1556 | if (c == '\0') { |
---|
1557 | if (vmh) |
---|
1558 | fmt2peer (RC_EOF, "null command"); |
---|
1559 | return NOTOK; |
---|
1560 | } |
---|
1561 | |
---|
1562 | while ((c = *cp++)) { |
---|
1563 | if (isspace (c)) { |
---|
1564 | while (isspace (c)) |
---|
1565 | c = *cp++; |
---|
1566 | if (c == 0) |
---|
1567 | break; |
---|
1568 | *pp++ = 0; |
---|
1569 | cmdp->args[argp++] = pp; |
---|
1570 | *pp = 0; |
---|
1571 | } |
---|
1572 | |
---|
1573 | switch (c) { |
---|
1574 | case '"': |
---|
1575 | for (;;) { |
---|
1576 | switch (c = *cp++) { |
---|
1577 | case 0: |
---|
1578 | padvise (NULL, "unmatched \""); |
---|
1579 | return NOTOK; |
---|
1580 | case '"': |
---|
1581 | break; |
---|
1582 | case QUOTE: |
---|
1583 | if ((c = *cp++) == 0) |
---|
1584 | goto no_quoting; |
---|
1585 | default: |
---|
1586 | *pp++ = c; |
---|
1587 | continue; |
---|
1588 | } |
---|
1589 | break; |
---|
1590 | } |
---|
1591 | continue; |
---|
1592 | |
---|
1593 | case QUOTE: |
---|
1594 | if ((c = *cp++) == 0) { |
---|
1595 | no_quoting: ; |
---|
1596 | padvise (NULL, "the newline character can not be quoted"); |
---|
1597 | return NOTOK; |
---|
1598 | } |
---|
1599 | |
---|
1600 | default: ; |
---|
1601 | *pp++ = c; |
---|
1602 | continue; |
---|
1603 | |
---|
1604 | case '>': |
---|
1605 | case '|': |
---|
1606 | if (pp == cmdp->line) { |
---|
1607 | padvise (NULL, "invalid null command"); |
---|
1608 | return NOTOK; |
---|
1609 | } |
---|
1610 | if (*cmdp->args[argp - 1] == 0) |
---|
1611 | argp--; |
---|
1612 | cmdp->direction = c == '>' ? CRTIO : PIPIO; |
---|
1613 | if (cmdp->direction == CRTIO && (c = *cp) == '>') { |
---|
1614 | cmdp->direction = APPIO; |
---|
1615 | cp++; |
---|
1616 | } |
---|
1617 | cmdp->redirect = pp + 1;/* sigh */ |
---|
1618 | for (; c = *cp; cp++) |
---|
1619 | if (!isspace (c)) |
---|
1620 | break; |
---|
1621 | if (c == 0) { |
---|
1622 | padvise (NULL, cmdp->direction != PIPIO |
---|
1623 | ? "missing name for redirect" |
---|
1624 | : "invalid null command"); |
---|
1625 | return NOTOK; |
---|
1626 | } |
---|
1627 | strcpy (cmdp->redirect, cp); |
---|
1628 | if (cmdp->direction != PIPIO) { |
---|
1629 | for (; *cp; cp++) |
---|
1630 | if (isspace (*cp)) { |
---|
1631 | padvise (NULL, "bad name for redirect"); |
---|
1632 | return NOTOK; |
---|
1633 | } |
---|
1634 | if (expand (cmdp->redirect) == NOTOK) |
---|
1635 | return NOTOK; |
---|
1636 | } |
---|
1637 | break; |
---|
1638 | } |
---|
1639 | break; |
---|
1640 | } |
---|
1641 | |
---|
1642 | *pp++ = 0; |
---|
1643 | cmdp->args[argp] = NULL; |
---|
1644 | |
---|
1645 | return OK; |
---|
1646 | } |
---|
1647 | |
---|
1648 | |
---|
1649 | int |
---|
1650 | expand (char *redirect) |
---|
1651 | { |
---|
1652 | char *cp, *pp; |
---|
1653 | char path[BUFSIZ]; |
---|
1654 | struct passwd *pw; |
---|
1655 | |
---|
1656 | if (*redirect != '~') |
---|
1657 | return OK; |
---|
1658 | |
---|
1659 | if ((cp = strchr(pp = redirect + 1, '/'))) |
---|
1660 | *cp++ = 0; |
---|
1661 | if (*pp == 0) |
---|
1662 | pp = mypath; |
---|
1663 | else |
---|
1664 | if ((pw = getpwnam (pp))) |
---|
1665 | pp = pw->pw_dir; |
---|
1666 | else { |
---|
1667 | padvise (NULL, "unknown user: %s", pp); |
---|
1668 | return NOTOK; |
---|
1669 | } |
---|
1670 | |
---|
1671 | snprintf (path, sizeof(path), "%s/%s", pp, cp ? cp : ""); |
---|
1672 | strcpy (redirect, path); |
---|
1673 | return OK; |
---|
1674 | } |
---|
1675 | |
---|
1676 | |
---|
1677 | static int |
---|
1678 | init_io (struct Cmd *cmdp, int vio) |
---|
1679 | { |
---|
1680 | int io, result; |
---|
1681 | |
---|
1682 | io = vmh; |
---|
1683 | |
---|
1684 | vmh = vio; |
---|
1685 | result = initaux_io (cmdp); |
---|
1686 | vmh = io; |
---|
1687 | |
---|
1688 | return result; |
---|
1689 | } |
---|
1690 | |
---|
1691 | |
---|
1692 | static int |
---|
1693 | initaux_io (struct Cmd *cmdp) |
---|
1694 | { |
---|
1695 | char *mode; |
---|
1696 | |
---|
1697 | switch (cmdp->direction) { |
---|
1698 | case STDIO: |
---|
1699 | return OK; |
---|
1700 | |
---|
1701 | case CRTIO: |
---|
1702 | case APPIO: |
---|
1703 | mode = cmdp->direction == CRTIO ? "write" : "append"; |
---|
1704 | if ((cmdp->stream = fopen (cmdp->redirect, mode)) == NULL) { |
---|
1705 | padvise (cmdp->redirect, "unable to %s ", mode); |
---|
1706 | cmdp->direction = STDIO; |
---|
1707 | return NOTOK; |
---|
1708 | } |
---|
1709 | break; |
---|
1710 | |
---|
1711 | case PIPIO: |
---|
1712 | if ((cmdp->stream = popen (cmdp->redirect, "w")) == NULL) { |
---|
1713 | padvise (cmdp->redirect, "unable to pipe"); |
---|
1714 | cmdp->direction = STDIO; |
---|
1715 | return NOTOK; |
---|
1716 | } |
---|
1717 | SIGNAL (SIGPIPE, pipeser); |
---|
1718 | broken_pipe = 0; |
---|
1719 | break; |
---|
1720 | |
---|
1721 | default: |
---|
1722 | padios (NULL, "unknown redirection for command"); |
---|
1723 | } |
---|
1724 | |
---|
1725 | fflush (stdout); |
---|
1726 | if (dup2 (fileno (cmdp->stream), fileno (stdout)) == NOTOK) |
---|
1727 | padios ("standard output", "unable to dup2"); |
---|
1728 | clearerr (stdout); |
---|
1729 | |
---|
1730 | return OK; |
---|
1731 | } |
---|
1732 | |
---|
1733 | |
---|
1734 | static void |
---|
1735 | fin_io (struct Cmd *cmdp, int vio) |
---|
1736 | { |
---|
1737 | int io; |
---|
1738 | |
---|
1739 | io = vmh; |
---|
1740 | vmh = vio; |
---|
1741 | finaux_io (cmdp); |
---|
1742 | vmh = io; |
---|
1743 | } |
---|
1744 | |
---|
1745 | |
---|
1746 | static void |
---|
1747 | finaux_io (struct Cmd *cmdp) |
---|
1748 | { |
---|
1749 | switch (cmdp->direction) { |
---|
1750 | case STDIO: |
---|
1751 | return; |
---|
1752 | |
---|
1753 | case CRTIO: |
---|
1754 | case APPIO: |
---|
1755 | fflush (stdout); |
---|
1756 | close (fileno (stdout)); |
---|
1757 | if (ferror (stdout)) |
---|
1758 | padvise (NULL, "problems writing %s", cmdp->redirect); |
---|
1759 | fclose (cmdp->stream); |
---|
1760 | break; |
---|
1761 | |
---|
1762 | case PIPIO: |
---|
1763 | fflush (stdout); |
---|
1764 | close (fileno (stdout)); |
---|
1765 | pclose (cmdp->stream); |
---|
1766 | SIGNAL (SIGPIPE, SIG_DFL); |
---|
1767 | break; |
---|
1768 | |
---|
1769 | default: |
---|
1770 | padios (NULL, "unknown redirection for command"); |
---|
1771 | } |
---|
1772 | |
---|
1773 | if (dup2 (fileno (sp), fileno (stdout)) == NOTOK) |
---|
1774 | padios ("standard output", "unable to dup2"); |
---|
1775 | clearerr (stdout); |
---|
1776 | |
---|
1777 | cmdp->direction = STDIO; |
---|
1778 | } |
---|
1779 | |
---|
1780 | |
---|
1781 | static void |
---|
1782 | m_init (void) |
---|
1783 | { |
---|
1784 | int msgnum; |
---|
1785 | |
---|
1786 | for (msgnum = mp->lowmsg; msgnum <= mp->hghmsg; msgnum++) |
---|
1787 | unset_selected (mp, msgnum); |
---|
1788 | mp->lowsel = mp->hghsel = mp->numsel = 0; |
---|
1789 | } |
---|
1790 | |
---|
1791 | |
---|
1792 | void |
---|
1793 | m_reset (void) |
---|
1794 | { |
---|
1795 | write_ids (); |
---|
1796 | folder_free (mp); /* free folder/message structure */ |
---|
1797 | myname = NULL; |
---|
1798 | #ifdef BPOP |
---|
1799 | if (pmsh) { |
---|
1800 | pop_done (); |
---|
1801 | pmsh = 0; |
---|
1802 | } |
---|
1803 | #endif /* BPOP */ |
---|
1804 | } |
---|
1805 | |
---|
1806 | |
---|
1807 | void |
---|
1808 | seq_setcur (struct msgs *mp, int msgnum) |
---|
1809 | { |
---|
1810 | if (mp->curmsg == msgnum) |
---|
1811 | return; |
---|
1812 | |
---|
1813 | if (mp->curmsg && Msgs[mp->curmsg].m_scanl) { |
---|
1814 | free (Msgs[mp->curmsg].m_scanl); |
---|
1815 | Msgs[mp->curmsg].m_scanl = NULL; |
---|
1816 | } |
---|
1817 | if (Msgs[msgnum].m_scanl) { |
---|
1818 | free (Msgs[msgnum].m_scanl); |
---|
1819 | Msgs[msgnum].m_scanl = NULL; |
---|
1820 | } |
---|
1821 | |
---|
1822 | mp->curmsg = msgnum; |
---|
1823 | } |
---|
1824 | |
---|
1825 | |
---|
1826 | |
---|
1827 | static RETSIGTYPE |
---|
1828 | intrser (int i) |
---|
1829 | { |
---|
1830 | #ifndef RELIABLE_SIGNALS |
---|
1831 | SIGNAL (SIGINT, intrser); |
---|
1832 | #endif |
---|
1833 | |
---|
1834 | discard (stdout); |
---|
1835 | interrupted++; |
---|
1836 | |
---|
1837 | #ifdef BSD42 |
---|
1838 | if (should_intr) |
---|
1839 | longjmp (sigenv, NOTOK); |
---|
1840 | #endif |
---|
1841 | } |
---|
1842 | |
---|
1843 | |
---|
1844 | static RETSIGTYPE |
---|
1845 | pipeser (int i) |
---|
1846 | { |
---|
1847 | #ifndef RELIABLE_SIGNALS |
---|
1848 | SIGNAL (SIGPIPE, pipeser); |
---|
1849 | #endif |
---|
1850 | |
---|
1851 | if (broken_pipe++ == 0) |
---|
1852 | fprintf (stderr, "broken pipe\n"); |
---|
1853 | told_to_quit++; |
---|
1854 | interrupted++; |
---|
1855 | |
---|
1856 | #ifdef BSD42 |
---|
1857 | if (should_intr) |
---|
1858 | longjmp (sigenv, NOTOK); |
---|
1859 | #endif |
---|
1860 | } |
---|
1861 | |
---|
1862 | |
---|
1863 | static RETSIGTYPE |
---|
1864 | quitser (int i) |
---|
1865 | { |
---|
1866 | #ifndef RELIABLE_SIGNALS |
---|
1867 | SIGNAL (SIGQUIT, quitser); |
---|
1868 | #endif |
---|
1869 | |
---|
1870 | told_to_quit++; |
---|
1871 | interrupted++; |
---|
1872 | |
---|
1873 | #ifdef BSD42 |
---|
1874 | if (should_intr) |
---|
1875 | longjmp (sigenv, NOTOK); |
---|
1876 | #endif |
---|
1877 | } |
---|
1878 | |
---|
1879 | |
---|
1880 | static RETSIGTYPE |
---|
1881 | alrmser (int i) |
---|
1882 | { |
---|
1883 | longjmp (peerenv, DONE); |
---|
1884 | } |
---|
1885 | |
---|
1886 | |
---|
1887 | static int |
---|
1888 | pINI (void) |
---|
1889 | { |
---|
1890 | int i, vrsn; |
---|
1891 | char *bp; |
---|
1892 | struct record rcs, *rc; |
---|
1893 | |
---|
1894 | rc = &rcs; |
---|
1895 | initrc (rc); |
---|
1896 | |
---|
1897 | switch (peer2rc (rc)) { |
---|
1898 | case RC_INI: |
---|
1899 | bp = rc->rc_data; |
---|
1900 | while (isspace (*bp)) |
---|
1901 | bp++; |
---|
1902 | if (sscanf (bp, "%d", &vrsn) != 1) { |
---|
1903 | bad_init: ; |
---|
1904 | fmt2peer (RC_ERR, "bad init \"%s\"", rc->rc_data); |
---|
1905 | done (1); |
---|
1906 | } |
---|
1907 | if (vrsn != RC_VRSN) { |
---|
1908 | fmt2peer (RC_ERR, "version %d unsupported", vrsn); |
---|
1909 | done (1); |
---|
1910 | } |
---|
1911 | |
---|
1912 | while (*bp && !isspace (*bp)) |
---|
1913 | bp++; |
---|
1914 | while (isspace (*bp)) |
---|
1915 | bp++; |
---|
1916 | if (sscanf (bp, "%d", &numwins) != 1 || numwins <= 0) |
---|
1917 | goto bad_init; |
---|
1918 | if (numwins > NWIN) |
---|
1919 | numwins = NWIN; |
---|
1920 | |
---|
1921 | for (i = 1; i <= numwins; i++) { |
---|
1922 | while (*bp && !isspace (*bp)) |
---|
1923 | bp++; |
---|
1924 | while (isspace (*bp)) |
---|
1925 | bp++; |
---|
1926 | if (sscanf (bp, "%d", &windows[i]) != 1 || windows[i] <= 0) |
---|
1927 | goto bad_init; |
---|
1928 | } |
---|
1929 | rc2peer (RC_ACK, 0, NULL); |
---|
1930 | return OK; |
---|
1931 | |
---|
1932 | case RC_XXX: |
---|
1933 | padios (NULL, "%s", rc->rc_data); |
---|
1934 | |
---|
1935 | default: |
---|
1936 | fmt2peer (RC_ERR, "pINI protocol screw-up"); |
---|
1937 | done (1); /* NOTREACHED */ |
---|
1938 | } |
---|
1939 | } |
---|
1940 | |
---|
1941 | |
---|
1942 | static int |
---|
1943 | pQRY (char *str, int scansw) |
---|
1944 | { |
---|
1945 | if (pQRY1 (scansw) == NOTOK || pQRY2 () == NOTOK) |
---|
1946 | return NOTOK; |
---|
1947 | |
---|
1948 | rc2peer (RC_EOF, 0, NULL); |
---|
1949 | return OK; |
---|
1950 | } |
---|
1951 | |
---|
1952 | |
---|
1953 | static int |
---|
1954 | pQRY1 (int scansw) |
---|
1955 | { |
---|
1956 | int oldhgh; |
---|
1957 | static int lastlow = 0, |
---|
1958 | lastcur = 0, |
---|
1959 | lasthgh = 0, |
---|
1960 | lastnum = 0; |
---|
1961 | |
---|
1962 | oldhgh = mp->hghmsg; |
---|
1963 | if (check_folder (scansw) && oldhgh < mp->hghmsg) { |
---|
1964 | switch (winX (STATUS)) { |
---|
1965 | case NOTOK: |
---|
1966 | return NOTOK; |
---|
1967 | |
---|
1968 | case OK: |
---|
1969 | printf ("new messages have arrived!"); |
---|
1970 | fflush (stdout); |
---|
1971 | fflush (stderr); |
---|
1972 | _exit (0); /* NOTREACHED */ |
---|
1973 | |
---|
1974 | default: |
---|
1975 | lastlow = lastcur = lasthgh = lastnum = 0; |
---|
1976 | break; |
---|
1977 | } |
---|
1978 | |
---|
1979 | switch (winX (DISPLAY)) { |
---|
1980 | case NOTOK: |
---|
1981 | return NOTOK; |
---|
1982 | |
---|
1983 | case OK: |
---|
1984 | scanrange (oldhgh + 1, mp->hghmsg); |
---|
1985 | fflush (stdout); |
---|
1986 | fflush (stderr); |
---|
1987 | _exit (0); /* NOTREACHED */ |
---|
1988 | |
---|
1989 | default: |
---|
1990 | break; |
---|
1991 | } |
---|
1992 | return OK; |
---|
1993 | } |
---|
1994 | |
---|
1995 | if (gap) |
---|
1996 | switch (winX (STATUS)) { |
---|
1997 | case NOTOK: |
---|
1998 | return NOTOK; |
---|
1999 | |
---|
2000 | case OK: |
---|
2001 | printf ("%s: gap in ID:s, last seen %d, lowest present %d\n", |
---|
2002 | myname ? myname : fmsh ? fmsh : mp->foldpath, gap - 1, |
---|
2003 | readid (mp->lowmsg)); |
---|
2004 | fflush (stdout); |
---|
2005 | fflush (stderr); |
---|
2006 | _exit (0); /* NOTREACHED */ |
---|
2007 | |
---|
2008 | default: |
---|
2009 | gap = 0; |
---|
2010 | return OK; |
---|
2011 | } |
---|
2012 | |
---|
2013 | if (mp->lowmsg != lastlow |
---|
2014 | || mp->curmsg != lastcur |
---|
2015 | || mp->hghmsg != lasthgh |
---|
2016 | || mp->nummsg != lastnum) |
---|
2017 | switch (winX (STATUS)) { |
---|
2018 | case NOTOK: |
---|
2019 | return NOTOK; |
---|
2020 | |
---|
2021 | case OK: |
---|
2022 | foldcmd (NULL); |
---|
2023 | fflush (stdout); |
---|
2024 | fflush (stderr); |
---|
2025 | _exit (0); /* NOTREACHED */ |
---|
2026 | |
---|
2027 | default: |
---|
2028 | lastlow = mp->lowmsg; |
---|
2029 | lastcur = mp->curmsg; |
---|
2030 | lasthgh = mp->hghmsg; |
---|
2031 | lastnum = mp->nummsg; |
---|
2032 | return OK; |
---|
2033 | } |
---|
2034 | |
---|
2035 | return OK; |
---|
2036 | } |
---|
2037 | |
---|
2038 | |
---|
2039 | static int |
---|
2040 | pQRY2 (void) |
---|
2041 | { |
---|
2042 | int i, j, k, msgnum, n; |
---|
2043 | static int cur = 0, |
---|
2044 | num = 0, |
---|
2045 | lo = 0, |
---|
2046 | hi = 0; |
---|
2047 | |
---|
2048 | if (mp->nummsg == 0 && mp->nummsg != num) |
---|
2049 | switch (winX (SCAN)) { |
---|
2050 | case NOTOK: |
---|
2051 | return NOTOK; |
---|
2052 | |
---|
2053 | case OK: |
---|
2054 | printf ("empty!"); |
---|
2055 | fflush (stdout); |
---|
2056 | fflush (stderr); |
---|
2057 | _exit (0); /* NOTREACHED */ |
---|
2058 | |
---|
2059 | default: |
---|
2060 | num = mp->nummsg; |
---|
2061 | return OK; |
---|
2062 | } |
---|
2063 | num = mp->nummsg; |
---|
2064 | |
---|
2065 | i = 0; |
---|
2066 | j = (k = windows[SCAN]) / 2; |
---|
2067 | for (msgnum = mp->curmsg; msgnum <= mp->hghmsg; msgnum++) |
---|
2068 | if (does_exist (mp, msgnum)) |
---|
2069 | i++; |
---|
2070 | if (i-- > 0) |
---|
2071 | if (topcur) |
---|
2072 | k = i >= k ? 1 : k - i; |
---|
2073 | else |
---|
2074 | k -= i > j ? j : i; |
---|
2075 | |
---|
2076 | i = j = 0; |
---|
2077 | n = 1; |
---|
2078 | for (msgnum = mp->curmsg; msgnum >= mp->lowmsg; msgnum--) |
---|
2079 | if (does_exist (mp, msgnum)) { |
---|
2080 | i = msgnum; |
---|
2081 | if (j == 0) |
---|
2082 | j = msgnum; |
---|
2083 | if (n++ >= k) |
---|
2084 | break; |
---|
2085 | } |
---|
2086 | for (msgnum = mp->curmsg + 1; msgnum <= mp->hghmsg; msgnum++) |
---|
2087 | if (does_exist (mp, msgnum)) { |
---|
2088 | if (i == 0) |
---|
2089 | i = msgnum; |
---|
2090 | j = msgnum; |
---|
2091 | if (n++ >= windows[SCAN]) |
---|
2092 | break; |
---|
2093 | } |
---|
2094 | if (!topcur |
---|
2095 | && lo > 0 |
---|
2096 | && hi > 0 |
---|
2097 | && does_exist (mp, lo) |
---|
2098 | && does_exist (mp, hi) |
---|
2099 | && (lo < mp->curmsg |
---|
2100 | || (lo == mp->curmsg && lo == mp->lowmsg)) |
---|
2101 | && (mp->curmsg < hi |
---|
2102 | || (hi == mp->curmsg && hi == mp->hghmsg)) |
---|
2103 | && hi - lo == j - i) |
---|
2104 | i = lo, j = hi; |
---|
2105 | |
---|
2106 | if (mp->curmsg != cur || modified) |
---|
2107 | switch (winN (NULLCMD, SCAN, 0)) { |
---|
2108 | case NOTOK: |
---|
2109 | return NOTOK; |
---|
2110 | |
---|
2111 | case OK: |
---|
2112 | return OK; |
---|
2113 | |
---|
2114 | default: |
---|
2115 | scanrange (lo = i, hi = j); |
---|
2116 | cur = mp->curmsg; |
---|
2117 | winR (NULLCMD); |
---|
2118 | return OK; |
---|
2119 | } |
---|
2120 | |
---|
2121 | return OK; |
---|
2122 | } |
---|
2123 | |
---|
2124 | |
---|
2125 | static int |
---|
2126 | pCMD (char *str, struct swit *sw, struct Cmd *cmdp) |
---|
2127 | { |
---|
2128 | int i; |
---|
2129 | |
---|
2130 | if (*str == '?') |
---|
2131 | switch (winX (DISPLAY)) { |
---|
2132 | case NOTOK: |
---|
2133 | return NOTOK; |
---|
2134 | |
---|
2135 | case OK: |
---|
2136 | printf ("commands:\n"); |
---|
2137 | print_sw (ALL, sw, ""); |
---|
2138 | printf ("type ``quit'' to leave %s\n", invo_name); |
---|
2139 | fflush (stdout); |
---|
2140 | fflush (stderr); |
---|
2141 | _exit (0); /* NOTREACHED */ |
---|
2142 | |
---|
2143 | default: |
---|
2144 | rc2peer (RC_EOF, 0, NULL); |
---|
2145 | return NOTOK; |
---|
2146 | } |
---|
2147 | |
---|
2148 | if (parse (str, cmdp) == NOTOK) |
---|
2149 | return NOTOK; |
---|
2150 | |
---|
2151 | switch (i = smatch (cmdp->args[0], sw)) { |
---|
2152 | case AMBIGSW: |
---|
2153 | switch (winX (DISPLAY)) { |
---|
2154 | case NOTOK: |
---|
2155 | return NOTOK; |
---|
2156 | |
---|
2157 | case OK: |
---|
2158 | ambigsw (cmdp->args[0], sw); |
---|
2159 | fflush (stdout); |
---|
2160 | fflush (stderr); |
---|
2161 | _exit (0); /* NOTREACHED */ |
---|
2162 | |
---|
2163 | default: |
---|
2164 | rc2peer (RC_EOF, 0, NULL); |
---|
2165 | return NOTOK; |
---|
2166 | } |
---|
2167 | |
---|
2168 | case UNKWNSW: |
---|
2169 | fmt2peer (RC_ERR, |
---|
2170 | "say what: ``%s'' -- type ? (or help) for help", |
---|
2171 | cmdp->args[0]); |
---|
2172 | return NOTOK; |
---|
2173 | |
---|
2174 | default: |
---|
2175 | return i; |
---|
2176 | } |
---|
2177 | } |
---|
2178 | |
---|
2179 | |
---|
2180 | static int |
---|
2181 | pFIN (void) |
---|
2182 | { |
---|
2183 | int status; |
---|
2184 | |
---|
2185 | switch (setjmp (peerenv)) { |
---|
2186 | case OK: |
---|
2187 | SIGNAL (SIGALRM, alrmser); |
---|
2188 | alarm (ALARM); |
---|
2189 | |
---|
2190 | status = peerwait (); |
---|
2191 | |
---|
2192 | alarm (0); |
---|
2193 | return status; |
---|
2194 | |
---|
2195 | default: |
---|
2196 | return NOTOK; |
---|
2197 | } |
---|
2198 | } |
---|
2199 | |
---|
2200 | |
---|
2201 | static int |
---|
2202 | peerwait (void) |
---|
2203 | { |
---|
2204 | struct record rcs, *rc; |
---|
2205 | |
---|
2206 | rc = &rcs; |
---|
2207 | initrc (rc); |
---|
2208 | |
---|
2209 | switch (peer2rc (rc)) { |
---|
2210 | case RC_QRY: |
---|
2211 | case RC_CMD: |
---|
2212 | rc2peer (RC_FIN, 0, NULL); |
---|
2213 | return OK; |
---|
2214 | |
---|
2215 | case RC_XXX: |
---|
2216 | advise (NULL, "%s", rc->rc_data); |
---|
2217 | return NOTOK; |
---|
2218 | |
---|
2219 | default: |
---|
2220 | fmt2peer (RC_FIN, "pLOOP protocol screw-up"); |
---|
2221 | return NOTOK; |
---|
2222 | } |
---|
2223 | } |
---|
2224 | |
---|
2225 | |
---|
2226 | static int |
---|
2227 | ttyNaux (struct Cmd *cmdp, char *s) |
---|
2228 | { |
---|
2229 | struct record rcs, *rc; |
---|
2230 | |
---|
2231 | rc = &rcs; |
---|
2232 | initrc (rc); |
---|
2233 | |
---|
2234 | if (cmdp && init_io (cmdp, vmh) == NOTOK) |
---|
2235 | return NOTOK; |
---|
2236 | |
---|
2237 | /* XXX: fseek() too tricky for our own good */ |
---|
2238 | if (!fmsh) |
---|
2239 | fseek (fp, 0L, SEEK_SET); |
---|
2240 | |
---|
2241 | vmhtty = NOTOK; |
---|
2242 | switch (rc2rc (RC_TTY, s ? strlen (s) : 0, s, rc)) { |
---|
2243 | case RC_ACK: |
---|
2244 | vmhtty = OK; /* fall */ |
---|
2245 | case RC_ERR: |
---|
2246 | break; |
---|
2247 | |
---|
2248 | case RC_XXX: |
---|
2249 | padios (NULL, "%s", rc->rc_data);/* NOTREACHED */ |
---|
2250 | |
---|
2251 | default: |
---|
2252 | fmt2peer (RC_ERR, "pTTY protocol screw-up"); |
---|
2253 | done (1); /* NOTREACHED */ |
---|
2254 | } |
---|
2255 | |
---|
2256 | #ifdef SIGTSTP |
---|
2257 | SIGNAL (SIGTSTP, tstat); |
---|
2258 | #endif |
---|
2259 | return vmhtty; |
---|
2260 | } |
---|
2261 | |
---|
2262 | |
---|
2263 | static int |
---|
2264 | ttyR (struct Cmd *cmdp) |
---|
2265 | { |
---|
2266 | struct record rcs, *rc; |
---|
2267 | |
---|
2268 | rc = &rcs; |
---|
2269 | |
---|
2270 | #ifdef SIGTSTP |
---|
2271 | SIGNAL (SIGTSTP, SIG_IGN); |
---|
2272 | #endif |
---|
2273 | |
---|
2274 | if (vmhtty != OK) |
---|
2275 | return NOTOK; |
---|
2276 | |
---|
2277 | initrc (rc); |
---|
2278 | |
---|
2279 | if (cmdp) |
---|
2280 | fin_io (cmdp, 0); |
---|
2281 | |
---|
2282 | vmhtty = NOTOK; |
---|
2283 | switch (rc2rc (RC_EOF, 0, NULL, rc)) { |
---|
2284 | case RC_ACK: |
---|
2285 | rc2peer (RC_EOF, 0, NULL); |
---|
2286 | return OK; |
---|
2287 | |
---|
2288 | case RC_XXX: |
---|
2289 | padios (NULL, "%s", rc->rc_data);/* NOTREACHED */ |
---|
2290 | |
---|
2291 | default: |
---|
2292 | fmt2peer (RC_ERR, "pTTY protocol screw-up"); |
---|
2293 | done (1); /* NOTREACHED */ |
---|
2294 | } |
---|
2295 | } |
---|
2296 | |
---|
2297 | |
---|
2298 | static int |
---|
2299 | winN (struct Cmd *cmdp, int n, int eof) |
---|
2300 | { |
---|
2301 | int i, pd[2]; |
---|
2302 | char buffer[BUFSIZ]; |
---|
2303 | struct record rcs, *rc; |
---|
2304 | |
---|
2305 | rc = &rcs; |
---|
2306 | if (vmhpid == NOTOK) |
---|
2307 | return OK; |
---|
2308 | |
---|
2309 | initrc (rc); |
---|
2310 | |
---|
2311 | /* XXX: fseek() too tricky for our own good */ |
---|
2312 | if (!fmsh) |
---|
2313 | fseek (fp, 0L, SEEK_SET); |
---|
2314 | |
---|
2315 | vmhpid = OK; |
---|
2316 | |
---|
2317 | snprintf (buffer, sizeof(buffer), "%d", n); |
---|
2318 | switch (str2rc (RC_WIN, buffer, rc)) { |
---|
2319 | case RC_ACK: |
---|
2320 | break; |
---|
2321 | |
---|
2322 | case RC_ERR: |
---|
2323 | return NOTOK; |
---|
2324 | |
---|
2325 | case RC_XXX: |
---|
2326 | padios (NULL, "%s", rc->rc_data); |
---|
2327 | |
---|
2328 | default: |
---|
2329 | fmt2peer (RC_ERR, "pWIN protocol screw-up"); |
---|
2330 | done (1); |
---|
2331 | } |
---|
2332 | |
---|
2333 | if (pipe (pd) == NOTOK) { |
---|
2334 | err2peer (RC_ERR, "pipe", "unable to"); |
---|
2335 | return NOTOK; |
---|
2336 | } |
---|
2337 | |
---|
2338 | switch (vmhpid = fork()) { |
---|
2339 | case NOTOK: |
---|
2340 | err2peer (RC_ERR, "fork", "unable to"); |
---|
2341 | close (pd[0]); |
---|
2342 | close (pd[1]); |
---|
2343 | return NOTOK; |
---|
2344 | |
---|
2345 | case OK: |
---|
2346 | close (pd[1]); |
---|
2347 | SIGNAL (SIGPIPE, SIG_IGN); |
---|
2348 | while ((i = read (pd[0], buffer, sizeof buffer)) > 0) |
---|
2349 | switch (rc2rc (RC_DATA, i, buffer, rc)) { |
---|
2350 | case RC_ACK: |
---|
2351 | break; |
---|
2352 | |
---|
2353 | case RC_ERR: |
---|
2354 | _exit (1); |
---|
2355 | |
---|
2356 | case RC_XXX: |
---|
2357 | advise (NULL, "%s", rc->rc_data); |
---|
2358 | _exit (2); |
---|
2359 | |
---|
2360 | default: |
---|
2361 | fmt2peer (RC_ERR, "pWIN protocol screw-up"); |
---|
2362 | _exit (2); |
---|
2363 | } |
---|
2364 | if (i == OK) |
---|
2365 | switch (rc2rc (RC_EOF, 0, NULL, rc)) { |
---|
2366 | case RC_ACK: |
---|
2367 | if (eof) |
---|
2368 | rc2peer (RC_EOF, 0, NULL); |
---|
2369 | i = 0; |
---|
2370 | break; |
---|
2371 | |
---|
2372 | case RC_XXX: |
---|
2373 | advise (NULL, "%s", rc->rc_data); |
---|
2374 | i = 2; |
---|
2375 | break; |
---|
2376 | |
---|
2377 | default: |
---|
2378 | fmt2peer (RC_ERR, "pWIN protocol screw-up"); |
---|
2379 | i = 2; |
---|
2380 | break; |
---|
2381 | } |
---|
2382 | if (i == NOTOK) |
---|
2383 | err2peer (RC_ERR, "pipe", "error reading from"); |
---|
2384 | close (pd[0]); |
---|
2385 | _exit (i != NOTOK ? i : 1); |
---|
2386 | |
---|
2387 | default: |
---|
2388 | if ((vmhfd0 = dup (fileno (stdin))) == NOTOK) |
---|
2389 | padios ("standard input", "unable to dup"); |
---|
2390 | if ((vmhfd1 = dup (fileno (stdout))) == NOTOK) |
---|
2391 | padios ("standard output", "unable to dup"); |
---|
2392 | if ((vmhfd2 = dup (fileno (stderr))) == NOTOK) |
---|
2393 | padios ("diagnostic output", "unable to dup"); |
---|
2394 | |
---|
2395 | close (0); |
---|
2396 | if ((i = open ("/dev/null", O_RDONLY)) != NOTOK && i != fileno (stdin)) { |
---|
2397 | dup2 (i, fileno (stdin)); |
---|
2398 | close (i); |
---|
2399 | } |
---|
2400 | |
---|
2401 | fflush (stdout); |
---|
2402 | if (dup2 (pd[1], fileno (stdout)) == NOTOK) |
---|
2403 | padios ("standard output", "unable to dup2"); |
---|
2404 | clearerr (stdout); |
---|
2405 | |
---|
2406 | fflush (stderr); |
---|
2407 | if (dup2 (pd[1], fileno (stderr)) == NOTOK) |
---|
2408 | padios ("diagnostic output", "unable to dup2"); |
---|
2409 | clearerr (stderr); |
---|
2410 | |
---|
2411 | if (cmdp && init_io (cmdp, 0) == NOTOK) |
---|
2412 | return NOTOK; |
---|
2413 | pstat = SIGNAL (SIGPIPE, pipeser); |
---|
2414 | broken_pipe = 1; |
---|
2415 | |
---|
2416 | close (pd[0]); |
---|
2417 | close (pd[1]); |
---|
2418 | |
---|
2419 | return vmhpid; |
---|
2420 | } |
---|
2421 | } |
---|
2422 | |
---|
2423 | |
---|
2424 | static int |
---|
2425 | winR (struct Cmd *cmdp) |
---|
2426 | { |
---|
2427 | int status; |
---|
2428 | |
---|
2429 | if (vmhpid <= OK) |
---|
2430 | return NOTOK; |
---|
2431 | |
---|
2432 | if (cmdp) |
---|
2433 | fin_io (cmdp, 0); |
---|
2434 | |
---|
2435 | if (dup2 (vmhfd0, fileno (stdin)) == NOTOK) |
---|
2436 | padios ("standard input", "unable to dup2"); |
---|
2437 | clearerr (stdin); |
---|
2438 | close (vmhfd0); |
---|
2439 | |
---|
2440 | fflush (stdout); |
---|
2441 | if (dup2 (vmhfd1, fileno (stdout)) == NOTOK) |
---|
2442 | padios ("standard output", "unable to dup2"); |
---|
2443 | clearerr (stdout); |
---|
2444 | close (vmhfd1); |
---|
2445 | |
---|
2446 | fflush (stderr); |
---|
2447 | if (dup2 (vmhfd2, fileno (stderr)) == NOTOK) |
---|
2448 | padios ("diagnostic output", "unable to dup2"); |
---|
2449 | clearerr (stderr); |
---|
2450 | close (vmhfd2); |
---|
2451 | |
---|
2452 | SIGNAL (SIGPIPE, pstat); |
---|
2453 | |
---|
2454 | if ((status = pidwait (vmhpid, OK)) == 2) |
---|
2455 | done (1); |
---|
2456 | |
---|
2457 | vmhpid = OK; |
---|
2458 | return (status == 0 ? OK : NOTOK); |
---|
2459 | } |
---|
2460 | |
---|
2461 | |
---|
2462 | static int |
---|
2463 | winX (int n) |
---|
2464 | { |
---|
2465 | int i, pid, pd[2]; |
---|
2466 | char buffer[BUFSIZ]; |
---|
2467 | struct record rcs, *rc; |
---|
2468 | |
---|
2469 | rc = &rcs; |
---|
2470 | initrc (rc); |
---|
2471 | |
---|
2472 | /* XXX: fseek() too tricky for our own good */ |
---|
2473 | if (!fmsh) |
---|
2474 | fseek (fp, 0L, SEEK_SET); |
---|
2475 | |
---|
2476 | snprintf (buffer, sizeof(buffer), "%d", n); |
---|
2477 | switch (str2rc (RC_WIN, buffer, rc)) { |
---|
2478 | case RC_ACK: |
---|
2479 | break; |
---|
2480 | |
---|
2481 | case RC_ERR: |
---|
2482 | return NOTOK; |
---|
2483 | |
---|
2484 | case RC_XXX: |
---|
2485 | padios (NULL, "%s", rc->rc_data); |
---|
2486 | |
---|
2487 | default: |
---|
2488 | fmt2peer (RC_ERR, "pWIN protocol screw-up"); |
---|
2489 | done (1); |
---|
2490 | } |
---|
2491 | |
---|
2492 | if (pipe (pd) == NOTOK) { |
---|
2493 | err2peer (RC_ERR, "pipe", "unable to"); |
---|
2494 | return NOTOK; |
---|
2495 | } |
---|
2496 | |
---|
2497 | switch (pid = fork ()) { |
---|
2498 | case NOTOK: |
---|
2499 | err2peer (RC_ERR, "fork", "unable to"); |
---|
2500 | close (pd[0]); |
---|
2501 | close (pd[1]); |
---|
2502 | return NOTOK; |
---|
2503 | |
---|
2504 | case OK: |
---|
2505 | close (fileno (stdin)); |
---|
2506 | if ((i = open ("/dev/null", O_RDONLY)) != NOTOK && i != fileno (stdin)) { |
---|
2507 | dup2 (i, fileno (stdin)); |
---|
2508 | close (i); |
---|
2509 | } |
---|
2510 | dup2 (pd[1], fileno (stdout)); |
---|
2511 | dup2 (pd[1], fileno (stderr)); |
---|
2512 | close (pd[0]); |
---|
2513 | close (pd[1]); |
---|
2514 | vmhpid = NOTOK; |
---|
2515 | return OK; |
---|
2516 | |
---|
2517 | default: |
---|
2518 | close (pd[1]); |
---|
2519 | while ((i = read (pd[0], buffer, sizeof buffer)) > 0) |
---|
2520 | switch (rc2rc (RC_DATA, i, buffer, rc)) { |
---|
2521 | case RC_ACK: |
---|
2522 | break; |
---|
2523 | |
---|
2524 | case RC_ERR: |
---|
2525 | close (pd[0]); |
---|
2526 | pidwait (pid, OK); |
---|
2527 | return NOTOK; |
---|
2528 | |
---|
2529 | case RC_XXX: |
---|
2530 | padios (NULL, "%s", rc->rc_data); |
---|
2531 | |
---|
2532 | default: |
---|
2533 | fmt2peer (RC_ERR, "pWIN protocol screw-up"); |
---|
2534 | done (1); |
---|
2535 | } |
---|
2536 | if (i == OK) |
---|
2537 | switch (rc2rc (RC_EOF, 0, NULL, rc)) { |
---|
2538 | case RC_ACK: |
---|
2539 | break; |
---|
2540 | |
---|
2541 | case RC_XXX: |
---|
2542 | padios (NULL, "%s", rc->rc_data); |
---|
2543 | |
---|
2544 | default: |
---|
2545 | fmt2peer (RC_ERR, "pWIN protocol screw-up"); |
---|
2546 | done (1); |
---|
2547 | } |
---|
2548 | if (i == NOTOK) |
---|
2549 | err2peer (RC_ERR, "pipe", "error reading from"); |
---|
2550 | |
---|
2551 | close (pd[0]); |
---|
2552 | pidwait (pid, OK); |
---|
2553 | return (i != NOTOK ? pid : NOTOK); |
---|
2554 | } |
---|
2555 | } |
---|
2556 | |
---|
2557 | |
---|
2558 | void |
---|
2559 | padios (char *what, char *fmt, ...) |
---|
2560 | { |
---|
2561 | va_list ap; |
---|
2562 | |
---|
2563 | va_start(ap, fmt); |
---|
2564 | if (vmh) { |
---|
2565 | verr2peer (RC_FIN, what, fmt, ap); |
---|
2566 | rcdone (); |
---|
2567 | } else { |
---|
2568 | advertise (what, NULL, fmt, ap); |
---|
2569 | } |
---|
2570 | va_end(ap); |
---|
2571 | |
---|
2572 | done (1); |
---|
2573 | } |
---|
2574 | |
---|
2575 | |
---|
2576 | void |
---|
2577 | padvise (char *what, char *fmt, ...) |
---|
2578 | { |
---|
2579 | va_list ap; |
---|
2580 | |
---|
2581 | va_start(ap, fmt); |
---|
2582 | if (vmh) { |
---|
2583 | verr2peer (RC_ERR, what, fmt, ap); |
---|
2584 | } else { |
---|
2585 | advertise (what, NULL, fmt, ap); |
---|
2586 | } |
---|
2587 | va_end(ap); |
---|
2588 | } |
---|