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annotate src/dynamicstring.c @ 288:c02c4eb95f95 noffle

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[svn] * src/configfile.h,src/configfile.c,docs/noffle.conf.5: Add noffle-user and noffle-group configs. * src/configfile.c,src/fetch.c,src/fetchlist.c,src/protocol.c, src/server.c: Replace strcpy() with Utl_cpyStr() where appropriate. See Debian bug 168128. * src/control.c,src/configfile.c,src/noffle.c: Replace [s]scanf("%s") with [s]scanf(MAXCHAR_FMT). * src/noffle.c: Log warning if noffle.conf is world readable. * src/noffle.c: Restrict most options to news admins; i.e. those who are root or news on running Noffle. * Makefile.in,acconfig.h,aclocal.m4,config.h.in,configure,configure.in, docs/Makefile.in,docs/noffle.conf.5,packages/Makefile.in, packages/redhat/Makefile.in,src/Makefile.am,src/Makefile.in, src/authenticate.c,src/authenticate.h,src/noffle.c,src/server.c: Add basic authentication using either Noffle-specific user file or authenticating via PAM (service 'noffle'). PAM authentication needs to run as root, so a Noffle server that needs PAM must be started by root. Helpful (?) error messages will be logged if not. Noffle will switch ruid and euid to 'news' (or whatever is configured) ASAP. * src/noffle.c: Add uid checking.
author bears
date Fri, 10 Jan 2003 23:25:45 +0000
parents 5eece4dfd945
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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43
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1 /*
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2 dynamicstring.c
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3
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4 $Id: dynamicstring.c 413 2002-12-27 21:48:25Z bears $
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5 */
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6
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7 #if HAVE_CONFIG_H
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8 #include <config.h>
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9 #endif
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10
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11 #include <sys/types.h>
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12 #include "dynamicstring.h"
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13 #include "log.h"
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14 #include "portable.h"
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15
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16 struct DynStr
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17 {
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18 int len; /* Current length (without trailing '\0') */
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19 int max; /* Max length that fits into buffer (incl. trailing '\0') */
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20 char *str;
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21 };
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22
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23 static void
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24 reallocStr( DynStr *self, int max )
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25 {
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26 ASSERT( max >= 0 );
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27 if ( max <= self->max )
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28 return;
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29 if ( ! ( self->str = (char *)realloc( self->str, (size_t)max ) ) )
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30 Log_fatal( "Realloc of DynStr failed" );
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31 if ( self->max == 0 ) /* First allocation? */
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32 *(self->str) = '\0';
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33 self->max = max;
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34 }
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35
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36 DynStr *
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37 new_DynStr( int reserve )
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38 {
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39 DynStr *s;
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40
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41 if ( ! ( s = malloc( sizeof( DynStr ) ) ) )
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42 Log_fatal( "Allocation of DynStr failed" );
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43 s->len = 0;
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44 s->max = 0;
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45 s->str = NULL;
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46 if ( reserve > 0 )
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47 reallocStr( s, reserve + 1 );
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48 return s;
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49 }
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51 void
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52 del_DynStr( DynStr *self )
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53 {
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54 if ( ! self )
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55 return;
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56 free( self->str );
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57 self->str = NULL;
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58 free( self );
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59 }
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60
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61 int
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62 DynStr_len( const DynStr *self )
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63 {
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64 return self->len;
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65 }
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67 const char *
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68 DynStr_str( const DynStr *self )
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69 {
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70 return self->str;
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71 }
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72
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73 void
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74 DynStr_app( DynStr *self, const char *s )
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75 {
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76 int len;
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77
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78 len = strlen( s );
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79 if ( self->len + len + 1 > self->max )
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80 reallocStr( self, self->len * 2 + len + 1 );
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81 strcpy( self->str + self->len, s );
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82 self->len += len;
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83 }
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84
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85 void
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86 DynStr_appDynStr( DynStr *self, const DynStr *s )
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87 {
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88 if ( self->len + s->len + 1 > self->max )
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89 reallocStr( self, self->len * 2 + s->len + 1 );
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90 memcpy( self->str + self->len, s->str, (size_t)s->len + 1 );
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91 self->len += s->len;
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92 }
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93
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94 void
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95 DynStr_appLn( DynStr *self, const char *s )
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96 {
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97 DynStr_app( self, s );
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98 DynStr_app( self, "\n" );
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99 }
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100
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101 void
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102 DynStr_appN( DynStr *self, const char *s, int n )
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103 {
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104 int len = self->len;
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105
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106 ASSERT( n >= 0 );
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107 if ( len + n + 1 > self->max )
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108 reallocStr( self, len * 2 + n + 1 );
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109 strncat( self->str + len, s, (size_t)n );
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110 self->len = len + strlen( self->str + len );
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111 }
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112
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113 void
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114 DynStr_clear( DynStr *self )
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115 {
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116 self->len = 0;
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117 if ( self->max > 0 )
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118 *(self->str) = '\0';
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119 }
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120