netmask.subr (fa2e39c89210ec44b1afdceadcb999bf9acd2a67) netmask.subr (35a157a0eb81363303899064c3078f63cda511e1)
1if [ ! "$_NETWORKING_NETMASK_SUBR" ]; then _NETWORKING_NETMASK_SUBR=1
2#
3# Copyright (c) 2006-2012 Devin Teske
4# All Rights Reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:

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64
65 local octet netmask=
66 for octet in $octets; do
67 netmask="$netmask${netmask:+.}$( printf "%u" "0x$octet" )"
68 done
69 echo $netmask
70}
71
1if [ ! "$_NETWORKING_NETMASK_SUBR" ]; then _NETWORKING_NETMASK_SUBR=1
2#
3# Copyright (c) 2006-2012 Devin Teske
4# All Rights Reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:

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64
65 local octet netmask=
66 for octet in $octets; do
67 netmask="$netmask${netmask:+.}$( printf "%u" "0x$octet" )"
68 done
69 echo $netmask
70}
71
72# f_dialog_validate_netmask $netmask
72# f_validate_netmask $netmask
73#
74# Returns zero if the given argument (a subnet mask) is of the proper format.
75#
76# The return status for invalid IP address is one of:
77# 1 One or more individual fields within the subnet mask (separated
78# by dots) contains one or more invalid characters.
79# 2 One or more individual fields within the subnet mask are null
80# and/or missing.
81# 3 One or more individual fields within the subnet mask exceeds
82# the maximum of 255 (a full 8-bit register).
83# 4 The subnet mask has either too few or too many fields.
84# 5 One or more individual fields within the subnet mask is an
85# invalid integer (only 0,128,192,224,240,248,252,254,255 are
86# valid integers).
87#
73#
74# Returns zero if the given argument (a subnet mask) is of the proper format.
75#
76# The return status for invalid IP address is one of:
77# 1 One or more individual fields within the subnet mask (separated
78# by dots) contains one or more invalid characters.
79# 2 One or more individual fields within the subnet mask are null
80# and/or missing.
81# 3 One or more individual fields within the subnet mask exceeds
82# the maximum of 255 (a full 8-bit register).
83# 4 The subnet mask has either too few or too many fields.
84# 5 One or more individual fields within the subnet mask is an
85# invalid integer (only 0,128,192,224,240,248,252,254,255 are
86# valid integers).
87#
88# If the subnet mask is determined to be invalid, the appropriate error will be
89# displayed using the f_dialog_msgbox function.
90#
91f_dialog_validate_netmask()
88f_validate_netmask()
92{
93 local mask="$1"
94
95 ( # Operate within a sub-shell to protect the parent environment
96
97 # Track number of fields for error checking
98 nfields=0
99

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116 esac
117
118 nfields=$(( $nfields + 1 ))
119
120 done
121
122 [ $nfields -eq 4 ] || exit 4
123 )
89{
90 local mask="$1"
91
92 ( # Operate within a sub-shell to protect the parent environment
93
94 # Track number of fields for error checking
95 nfields=0
96

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113 esac
114
115 nfields=$(( $nfields + 1 ))
116
117 done
118
119 [ $nfields -eq 4 ] || exit 4
120 )
121}
124
122
125 #
126 # Produce an appropriate error message if necessary.
127 #
128 local retval=$?
129 case $retval in
123# f_dialog_maskerror $error $netmask
124#
125# Display a msgbox with the appropriate error message for an error returned by
126# the f_validate_netmask function.
127#
128f_dialog_maskerror()
129{
130 local error="$1" netmask="$2"
131
132 [ ${error:-0} -ne 0 ] || return $SUCCESS
133
134 case "$error" in
130 1) f_show_msg "$msg_ipv4_mask_field_contains_invalid_chars" "$mask";;
131 2) f_show_msg "$msg_ipv4_mask_field_is_null" "$mask";;
132 3) f_show_msg "$msg_ipv4_mask_field_exceeds_max_value" "$mask";;
133 4) f_show_msg "$msg_ipv4_mask_field_missing_or_extra" "$mask";;
134 5) f_show_msg "$msg_ipv4_mask_field_invalid_value" "$mask";;
135 esac
135 1) f_show_msg "$msg_ipv4_mask_field_contains_invalid_chars" "$mask";;
136 2) f_show_msg "$msg_ipv4_mask_field_is_null" "$mask";;
137 3) f_show_msg "$msg_ipv4_mask_field_exceeds_max_value" "$mask";;
138 4) f_show_msg "$msg_ipv4_mask_field_missing_or_extra" "$mask";;
139 5) f_show_msg "$msg_ipv4_mask_field_invalid_value" "$mask";;
140 esac
141}
136
142
143# f_dialog_validate_netmask $netmask
144#
145# Returns zero if the given argument (a subnet mask) is of the proper format.
146#
147# If the subnet mask is determined to be invalid, the appropriate error will be
148# displayed using the f_dialog_maskerror function above.
149#
150f_dialog_validate_netmask()
151{
152 local netmask="$1"
153
154 f_validate_netmask "$netmask"
155 local retval=$?
156
157 # Produce an appropriate error message if necessary.
158 [ $retval -eq $SUCCESS ] || f_dialog_maskerror $retval "$netmask"
159
137 return $retval
138}
139
140# f_dialog_input_netmask $interface $netmask
141#
142# Edits the IP netmask of the given interface.
143#
144f_dialog_input_netmask()

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161}
162
163# f_dialog_input_netmask $interface $netmask
164#
165# Edits the IP netmask of the given interface.
166#
167f_dialog_input_netmask()

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