Mercurial > hg > nginx
annotate auto/module @ 7094:c7d4017c8876
Secure link: fixed stack buffer overflow.
When secure link checksum has length of 23 or 24 bytes, decoded base64 value
could occupy 17 or 18 bytes which is more than 16 bytes previously allocated
for it on stack. The buffer overflow does not have any security implications
since only one local variable was corrupted and this variable was not used in
this case.
The fix is to increase buffer size up to 18 bytes. Useless buffer size
initialization is removed as well.
author | Roman Arutyunyan <arut@nginx.com> |
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date | Tue, 22 Aug 2017 21:22:59 +0300 |
parents | 2c7a2d75938a |
children | 4b1299b1856a |
rev | line source |
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1 |
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2 # Copyright (C) Ruslan Ermilov |
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3 # Copyright (C) Nginx, Inc. |
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4 |
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5 |
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6 case $ngx_module_type in |
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7 HTTP_*) ngx_var=HTTP ;; |
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8 *) ngx_var=$ngx_module_type ;; |
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9 esac |
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10 |
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11 |
6383 | 12 if [ "$ngx_module_link" = DYNAMIC ]; then |
13 | |
14 for ngx_module in $ngx_module_name; do | |
15 # extract the first name | |
16 break | |
17 done | |
18 | |
19 DYNAMIC_MODULES="$DYNAMIC_MODULES $ngx_module" | |
20 eval ${ngx_module}_SRCS=\"$ngx_module_srcs\" | |
21 | |
22 eval ${ngx_module}_MODULES=\"$ngx_module_name\" | |
23 | |
24 if [ -z "$ngx_module_order" -a \ | |
25 \( "$ngx_module_type" = "HTTP_FILTER" \ | |
26 -o "$ngx_module_type" = "HTTP_AUX_FILTER" \) ] | |
27 then | |
28 eval ${ngx_module}_ORDER=\"$ngx_module_name \ | |
29 ngx_http_copy_filter_module\" | |
30 else | |
31 eval ${ngx_module}_ORDER=\"$ngx_module_order\" | |
32 fi | |
33 | |
34 if test -n "$ngx_module_incs"; then | |
35 CORE_INCS="$CORE_INCS $ngx_module_incs" | |
36 fi | |
37 | |
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38 if test -n "$ngx_module_deps"; then |
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39 NGX_ADDON_DEPS="$NGX_ADDON_DEPS $ngx_module_deps" |
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40 fi |
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41 |
6383 | 42 libs= |
43 for lib in $ngx_module_libs | |
44 do | |
45 case $lib in | |
46 | |
6419 | 47 LIBXSLT | LIBGD | GEOIP | PERL) |
6383 | 48 libs="$libs \$NGX_LIB_$lib" |
49 | |
50 if eval [ "\$USE_${lib}" = NO ] ; then | |
51 eval USE_${lib}=DYNAMIC | |
52 fi | |
53 ;; | |
54 | |
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55 PCRE | OPENSSL | ZLIB) |
6383 | 56 eval USE_${lib}=YES |
57 ;; | |
58 | |
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59 MD5 | SHA1) |
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60 # obsolete |
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61 ;; |
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62 |
6383 | 63 *) |
64 libs="$libs $lib" | |
65 ;; | |
66 | |
67 esac | |
68 done | |
69 eval ${ngx_module}_LIBS=\'$libs\' | |
70 | |
71 elif [ "$ngx_module_link" = YES ]; then | |
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72 |
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73 eval ${ngx_module_type}_MODULES=\"\$${ngx_module_type}_MODULES \ |
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74 $ngx_module_name\" |
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75 |
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76 eval ${ngx_var}_SRCS=\"\$${ngx_var}_SRCS $ngx_module_srcs\" |
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77 |
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78 if test -n "$ngx_module_incs"; then |
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79 eval ${ngx_var}_INCS=\"\$${ngx_var}_INCS $ngx_module_incs\" |
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80 fi |
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81 |
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82 if test -n "$ngx_module_deps"; then |
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83 eval ${ngx_var}_DEPS=\"\$${ngx_var}_DEPS $ngx_module_deps\" |
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84 fi |
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85 |
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86 for lib in $ngx_module_libs |
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87 do |
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88 case $lib in |
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89 |
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90 PCRE | OPENSSL | ZLIB | LIBXSLT | LIBGD | PERL | GEOIP) |
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91 eval USE_${lib}=YES |
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92 ;; |
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93 |
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94 MD5 | SHA1) |
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95 # obsolete |
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96 ;; |
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97 |
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98 *) |
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99 CORE_LIBS="$CORE_LIBS $lib" |
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100 ;; |
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101 |
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102 esac |
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103 done |
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104 |
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105 elif [ "$ngx_module_link" = ADDON ]; then |
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106 |
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107 eval ${ngx_module_type}_MODULES=\"\$${ngx_module_type}_MODULES \ |
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108 $ngx_module_name\" |
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109 |
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110 NGX_ADDON_SRCS="$NGX_ADDON_SRCS $ngx_module_srcs" |
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111 |
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112 if test -n "$ngx_module_incs"; then |
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113 eval ${ngx_var}_INCS=\"\$${ngx_var}_INCS $ngx_module_incs\" |
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114 fi |
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115 |
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116 if test -n "$ngx_module_deps"; then |
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117 NGX_ADDON_DEPS="$NGX_ADDON_DEPS $ngx_module_deps" |
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118 fi |
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119 |
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120 for lib in $ngx_module_libs |
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121 do |
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122 case $lib in |
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123 |
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124 PCRE | OPENSSL | ZLIB | LIBXSLT | LIBGD | PERL | GEOIP) |
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125 eval USE_${lib}=YES |
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126 ;; |
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127 |
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128 MD5 | SHA1) |
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129 # obsolete |
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130 ;; |
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131 |
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132 *) |
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133 CORE_LIBS="$CORE_LIBS $lib" |
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134 ;; |
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135 |
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136 esac |
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137 done |
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138 fi |