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1
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--- dhcp6c.c.orig 2016-12-19 08:16:42 UTC
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2
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+++ dhcp6c.c
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3
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@@ -85,6 +85,8 @@ static int exit_ok = 0;
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4
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static sig_atomic_t sig_flags = 0;
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#define SIGF_TERM 0x1
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#define SIGF_HUP 0x2
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+#define SIGF_QUIT 0x4
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+
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9
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const dhcp6_mode_t dhcp6_mode = DHCP6_MODE_CLIENT;
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11
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@@ -109,7 +111,7 @@ static int ctldigestlen;
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static int infreq_mode = 0;
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14
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int opt_norelease;
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-
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+static char path_hold[256];
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static inline int get_val32 __P((char **, int *, u_int32_t *));
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static inline int get_ifname __P((char **, int *, char *, int));
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@@ -390,6 +392,11 @@ client6_init()
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strerror(errno));
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exit(1);
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}
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+ if (signal(SIGUSR1, client6_signal) == SIG_ERR) {
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+ d_printf(LOG_WARNING, FNAME, "failed to set signal: %s",
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+ strerror(errno));
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+ exit(1);
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+ }
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}
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int
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@@ -483,20 +490,31 @@ check_exit()
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{
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struct dhcp6_if *ifp;
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36
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+
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+
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if (!exit_ok)
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return;
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41
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- for (ifp = dhcp6_if; ifp; ifp = ifp->next) {
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- /*
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- * Check if we have an outstanding event. If we do, we cannot
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- * exit for now.
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- */
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- if (!TAILQ_EMPTY(&ifp->event_list))
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+ if(exit_ok) {
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49
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+
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+ for (ifp = dhcp6_if; ifp; ifp = ifp->next) {
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51
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+ /*
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+ * Check if we have an outstanding event. If we do, we cannot
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53
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+ * exit for now.
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+ */
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+ if (!TAILQ_EMPTY(&ifp->event_list))
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return;
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+ }
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}
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-
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+
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/* We have no existing event. Do exit. */
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d_printf(LOG_INFO, FNAME, "exiting");
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+
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+ if (strlen(path_hold) != 0) {
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+ /* We are going to fire the script with and exit value */
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+ d_printf(LOG_DEBUG, FNAME, "shutdown executes %s", path_hold);
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+ client6_script(path_hold, DHCP6S_EXIT, NULL);
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+ }
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69
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exit(0);
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}
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@@ -504,6 +522,8 @@ check_exit()
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static void
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74
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process_signals()
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75
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{
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76
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+
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+
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78
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if ((sig_flags & SIGF_TERM)) {
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exit_ok = 1;
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80
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free_resources(NULL);
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@@ -515,6 +535,14 @@ process_signals()
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free_resources(NULL);
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83
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client6_startall(1);
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}
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+ if ((sig_flags & SIGF_QUIT)) {
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86
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+ d_printf(LOG_INFO, FNAME, "QUIT signal");
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87
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+ exit_ok = 1;
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88
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+ opt_norelease = 1;
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89
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+ free_resources(NULL);
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90
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+ unlink(pid_file);
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91
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+ check_exit();
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92
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+ }
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93
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sig_flags = 0;
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}
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@@ -1161,6 +1189,9 @@ client6_signal(sig)
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97
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case SIGHUP:
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98
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sig_flags |= SIGF_HUP;
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99
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break;
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100
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+ case SIGUSR1:
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101
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+ sig_flags |= SIGF_QUIT;
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102
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+ break;
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103
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}
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104
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}
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105
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106
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@@ -1751,23 +1782,23 @@ client6_recvreply(ifp, dh6, len, optinfo
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107
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108
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switch (state) {
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109
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case DHCP6S_INFOREQ:
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110
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- d_printf(LOG_INFO, FNAME, "dhcp6c Received INFOREQ");
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111
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- break;
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112
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- case DHCP6S_REQUEST:
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113
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- d_printf(LOG_INFO, FNAME, "dhcp6c Received REQUEST");
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114
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- break;
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115
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- case DHCP6S_RENEW:
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116
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- d_printf(LOG_INFO, FNAME, "dhcp6c Received INFO");
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117
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- break;
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118
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- case DHCP6S_REBIND:
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119
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- d_printf(LOG_INFO, FNAME, "dhcp6c Received REBIND");
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120
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- break;
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121
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- case DHCP6S_RELEASE:
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122
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- d_printf(LOG_INFO, FNAME, "dhcp6c Received RELEASE");
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123
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- break;
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124
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- case DHCP6S_SOLICIT:
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125
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- d_printf(LOG_INFO, FNAME, "dhcp6c Received SOLICIT");
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126
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- break;
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127
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+ d_printf(LOG_INFO, FNAME, "Received Info");
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128
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+ break;
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129
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+ case DHCP6S_REQUEST:
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130
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+ d_printf(LOG_INFO, FNAME, "Received Reply");
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131
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+ break;
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132
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+ case DHCP6S_RENEW:
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133
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+ d_printf(LOG_INFO, FNAME, "Received Renew");
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134
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+ break;
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135
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+ case DHCP6S_REBIND:
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136
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+ d_printf(LOG_INFO, FNAME, "Received Rebind");
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137
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+ break;
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138
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+ case DHCP6S_RELEASE:
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139
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+ d_printf(LOG_INFO, FNAME, "Received Release");
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140
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+ break;
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141
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+ case DHCP6S_SOLICIT:
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142
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+ d_printf(LOG_INFO, FNAME, "Received Advert");
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143
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+ break;
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144
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}
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145
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146
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/* A Reply message must contain a Server ID option */
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