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comparison svr-chansession.c @ 7:425ed5c20157

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Chantype handling is sorted
author Matt Johnston <matt@ucc.asn.au>
date Wed, 02 Jun 2004 04:59:49 +0000
parents ab00ef513e97
children 7f77962de998
comparison
equal deleted inserted replaced
6:ab00ef513e97 7:425ed5c20157
54 static void chansessionrequest(struct Channel *channel); 54 static void chansessionrequest(struct Channel *channel);
55 55
56 static void send_exitsignalstatus(struct Channel *channel); 56 static void send_exitsignalstatus(struct Channel *channel);
57 static int sesscheckclose(struct Channel *channel); 57 static int sesscheckclose(struct Channel *channel);
58 58
59 const struct ChanType svrchansess = {
60 0, /* sepfds */
61 "session", /* name */
62 newchansess, /* inithandler */
63 sesscheckclose, /* checkclosehandler */
64 chansessionrequest, /* reqhandler */
65 closechansess, /* closehandler */
66 };
67
68
69 59
70 /* required to clear environment */ 60 /* required to clear environment */
71 extern char** environ; 61 extern char** environ;
72 62
73 static int sesscheckclose(struct Channel *channel) { 63 static int sesscheckclose(struct Channel *channel) {
74 struct ChanSess *chansess = (struct ChanSess*)channel->typedata; 64 struct ChanSess *chansess = (struct ChanSess*)channel->typedata;
75 return chansess->exited; 65 return chansess->exited;
76 }
77
78 /* Set up the general chansession environment, in particular child-exit
79 * handling */
80 void svr_chansessinitialise() {
81
82 struct sigaction sa_chld;
83
84 /* single child process intially */
85 svr_ses.childpids = (struct ChildPid*)m_malloc(sizeof(struct ChildPid));
86 svr_ses.childpids[0].pid = -1; /* unused */
87 svr_ses.childpids[0].chansess = NULL;
88 svr_ses.childpidsize = 1;
89 sa_chld.sa_handler = sesssigchild_handler;
90 sa_chld.sa_flags = SA_NOCLDSTOP;
91 if (sigaction(SIGCHLD, &sa_chld, NULL) < 0) {
92 dropbear_exit("signal() error");
93 }
94
95 } 66 }
96 67
97 /* handler for childs exiting, store the state for return to the client */ 68 /* handler for childs exiting, store the state for return to the client */
98 static void sesssigchild_handler(int dummy) { 69 static void sesssigchild_handler(int dummy) {
99 70
252 unsigned int i; 223 unsigned int i;
253 struct logininfo *li; 224 struct logininfo *li;
254 225
255 chansess = (struct ChanSess*)channel->typedata; 226 chansess = (struct ChanSess*)channel->typedata;
256 227
257 send_exitsignalstatus(chansess); 228 send_exitsignalstatus(channel);
258 229
259 TRACE(("enter closechansess")); 230 TRACE(("enter closechansess"));
260 if (chansess == NULL) { 231 if (chansess == NULL) {
261 TRACE(("leave closechansess: chansess == NULL")); 232 TRACE(("leave closechansess: chansess == NULL"));
262 return; 233 return;
909 880
910 /* only reached on error */ 881 /* only reached on error */
911 dropbear_exit("child failed"); 882 dropbear_exit("child failed");
912 } 883 }
913 884
885 const struct ChanType svrchansess = {
886 0, /* sepfds */
887 "session", /* name */
888 newchansess, /* inithandler */
889 sesscheckclose, /* checkclosehandler */
890 chansessionrequest, /* reqhandler */
891 closechansess, /* closehandler */
892 };
893
894
895 /* Set up the general chansession environment, in particular child-exit
896 * handling */
897 void svr_chansessinitialise() {
898
899 struct sigaction sa_chld;
900
901 /* single child process intially */
902 svr_ses.childpids = (struct ChildPid*)m_malloc(sizeof(struct ChildPid));
903 svr_ses.childpids[0].pid = -1; /* unused */
904 svr_ses.childpids[0].chansess = NULL;
905 svr_ses.childpidsize = 1;
906 sa_chld.sa_handler = sesssigchild_handler;
907 sa_chld.sa_flags = SA_NOCLDSTOP;
908 if (sigaction(SIGCHLD, &sa_chld, NULL) < 0) {
909 dropbear_exit("signal() error");
910 }
911
912 }
913
914 /* add a new environment variable, allocating space for the entry */ 914 /* add a new environment variable, allocating space for the entry */
915 void addnewvar(const char* param, const char* var) { 915 void addnewvar(const char* param, const char* var) {
916 916
917 char* newvar; 917 char* newvar;
918 int plen, vlen; 918 int plen, vlen;