author | llornkcor <llornkcor> | 2002-10-10 19:31:03 (UTC) |
---|---|---|
committer | llornkcor <llornkcor> | 2002-10-10 19:31:03 (UTC) |
commit | 946708623722041624b0435acfb2fa678959adba (patch) (unidiff) | |
tree | cc5e249b7798145a82ca03cd52b7a7dcb3973082 | |
parent | 3f838aec8ec65ff0820c92095b9948413ad895aa (diff) | |
download | opie-946708623722041624b0435acfb2fa678959adba.zip opie-946708623722041624b0435acfb2fa678959adba.tar.gz opie-946708623722041624b0435acfb2fa678959adba.tar.bz2 |
execute /bin/bash --login now
-rw-r--r-- | core/apps/embeddedkonsole/MyPty.cpp | 99 |
1 files changed, 50 insertions, 49 deletions
diff --git a/core/apps/embeddedkonsole/MyPty.cpp b/core/apps/embeddedkonsole/MyPty.cpp index 3622d48..6421ab0 100644 --- a/core/apps/embeddedkonsole/MyPty.cpp +++ b/core/apps/embeddedkonsole/MyPty.cpp | |||
@@ -1,39 +1,39 @@ | |||
1 | /* -------------------------------------------------------------------------- */ | 1 | /* -------------------------------------------------------------------------- */ |
2 | /* */ | 2 | /* */ |
3 | /* [MyPty.C] Pseudo Terminal Device */ | 3 | /* [MyPty.C] Pseudo Terminal Device */ |
4 | /* */ | 4 | /* */ |
5 | /* -------------------------------------------------------------------------- */ | 5 | /* -------------------------------------------------------------------------- */ |
6 | /* */ | 6 | /* */ |
7 | /* Copyright (c) 1997,1998 by Lars Doelle <lars.doelle@on-line.de> */ | 7 | /* Copyright (c) 1997,1998 by Lars Doelle <lars.doelle@on-line.de> */ |
8 | /* */ | 8 | /* */ |
9 | /* This file is part of Konsole - an X terminal for KDE */ | 9 | /* This file is part of Konsole - an X terminal for KDE */ |
10 | /* -------------------------------------------------------------------------- */ | 10 | /* -------------------------------------------------------------------------- */ |
11 | /* */ | 11 | /* */ |
12 | /* Ported Konsole to Qt/Embedded */ | 12 | /* Ported Konsole to Qt/Embedded */ |
13 | /* */ | 13 | /* */ |
14 | /* Copyright (C) 2000 by John Ryland <jryland@trolltech.com> */ | 14 | /* Copyright (C) 2000 by John Ryland <jryland@trolltech.com> */ |
15 | /* */ | 15 | /* */ |
16 | /* -------------------------------------------------------------------------- */ | 16 | /* -------------------------------------------------------------------------- */ |
17 | 17 | ||
18 | /* If you're compiling konsole on non-Linux platforms and find | 18 | /* If you're compiling konsole on non-Linux platforms and find |
19 | problems that you can track down to this file, please have | 19 | problems that you can track down to this file, please have |
20 | a look into ../README.ports, too. | 20 | a look into ../README.ports, too. |
21 | */ | 21 | */ |
22 | 22 | ||
23 | /*! \file | 23 | /*! \file |
24 | */ | 24 | */ |
25 | 25 | ||
26 | /*! \class TEPty | 26 | /*! \class TEPty |
27 | 27 | ||
28 | \brief Ptys provide a pseudo terminal connection to a program. | 28 | \brief Ptys provide a pseudo terminal connection to a program. |
29 | 29 | ||
30 | Although closely related to pipes, these pseudo terminal connections have | 30 | Although closely related to pipes, these pseudo terminal connections have |
31 | some ability, that makes it nessesary to uses them. Most importent, they | 31 | some ability, that makes it nessesary to uses them. Most importent, they |
32 | know about changing screen sizes and UNIX job control. | 32 | know about changing screen sizes and UNIX job control. |
33 | 33 | ||
34 | Within the terminal emulation framework, this class represents the | 34 | Within the terminal emulation framework, this class represents the |
35 | host side of the terminal together with the connecting serial line. | 35 | host side of the terminal together with the connecting serial line. |
36 | 36 | ||
37 | One can create many instances of this class within a program. | 37 | One can create many instances of this class within a program. |
38 | As a side effect of using this class, a signal(2) handler is | 38 | As a side effect of using this class, a signal(2) handler is |
39 | installed on SIGCHLD. | 39 | installed on SIGCHLD. |
@@ -92,185 +92,186 @@ | |||
92 | 92 | ||
93 | /*! | 93 | /*! |
94 | Informs the client program about the | 94 | Informs the client program about the |
95 | actual size of the window. | 95 | actual size of the window. |
96 | */ | 96 | */ |
97 | 97 | ||
98 | void MyPty::setSize(int lines, int columns) | 98 | void MyPty::setSize(int lines, int columns) |
99 | { | 99 | { |
100 | struct winsize wsize; | 100 | struct winsize wsize; |
101 | wsize.ws_row = (unsigned short)lines; | 101 | wsize.ws_row = (unsigned short)lines; |
102 | wsize.ws_col = (unsigned short)columns; | 102 | wsize.ws_col = (unsigned short)columns; |
103 | if(fd < 0) return; | 103 | if(fd < 0) return; |
104 | ioctl(fd,TIOCSWINSZ,(char *)&wsize); | 104 | ioctl(fd,TIOCSWINSZ,(char *)&wsize); |
105 | } | 105 | } |
106 | 106 | ||
107 | 107 | ||
108 | void MyPty::donePty() | 108 | void MyPty::donePty() |
109 | { | 109 | { |
110 | // This is code from the Qt DumbTerminal example | 110 | // This is code from the Qt DumbTerminal example |
111 | int status = 0; | 111 | int status = 0; |
112 | 112 | ||
113 | ::close(fd); | 113 | ::close(fd); |
114 | 114 | ||
115 | if (cpid) { | 115 | if (cpid) { |
116 | kill(cpid, SIGHUP); | 116 | kill(cpid, SIGHUP); |
117 | waitpid(cpid, &status, 0); | 117 | waitpid(cpid, &status, 0); |
118 | } | 118 | } |
119 | 119 | ||
120 | emit done(status); | 120 | emit done(status); |
121 | } | 121 | } |
122 | 122 | ||
123 | 123 | ||
124 | const char* MyPty::deviceName() | 124 | const char* MyPty::deviceName() |
125 | { | 125 | { |
126 | return ttynam; | 126 | return ttynam; |
127 | } | 127 | } |
128 | 128 | ||
129 | 129 | ||
130 | void MyPty::error() | 130 | void MyPty::error() |
131 | { | 131 | { |
132 | // This is code from the Qt DumbTerminal example | 132 | // This is code from the Qt DumbTerminal example |
133 | donePty(); | 133 | donePty(); |
134 | } | 134 | } |
135 | 135 | ||
136 | 136 | ||
137 | /*! | 137 | /*! |
138 | start the client program. | 138 | start the client program. |
139 | */ | 139 | */ |
140 | int MyPty::run(const char* cmd, QStrList &, const char*, int) | 140 | int MyPty::run(const char* cmd, QStrList &, const char*, int) |
141 | { | 141 | { |
142 | // This is code from the Qt DumbTerminal example | 142 | // This is code from the Qt DumbTerminal example |
143 | cpid = fork(); | 143 | cpid = fork(); |
144 | 144 | ||
145 | if ( !cpid ) { | 145 | if ( !cpid ) { |
146 | // child - exec shell on tty | 146 | // child - exec shell on tty |
147 | for (int sig = 1; sig < NSIG; sig++) signal(sig,SIG_DFL); | 147 | for (int sig = 1; sig < NSIG; sig++) signal(sig,SIG_DFL); |
148 | int ttyfd = open(ttynam, O_RDWR); | 148 | int ttyfd = open(ttynam, O_RDWR); |
149 | dup2(ttyfd, STDIN_FILENO); | 149 | dup2(ttyfd, STDIN_FILENO); |
150 | dup2(ttyfd, STDOUT_FILENO); | 150 | dup2(ttyfd, STDOUT_FILENO); |
151 | dup2(ttyfd, STDERR_FILENO); | 151 | dup2(ttyfd, STDERR_FILENO); |
152 | // should be done with tty, so close it | 152 | // should be done with tty, so close it |
153 | close(ttyfd); | 153 | close(ttyfd); |
154 | static struct termios ttmode; | 154 | static struct termios ttmode; |
155 | if ( setsid() < 0 ) | 155 | if ( setsid() < 0 ) |
156 | perror( "failed to set process group" ); | 156 | perror( "failed to set process group" ); |
157 | #if defined (TIOCSCTTY) | 157 | #if defined (TIOCSCTTY) |
158 | // grabbed from APUE by Stevens | 158 | // grabbed from APUE by Stevens |
159 | ioctl(STDIN_FILENO, TIOCSCTTY, 0); | 159 | ioctl(STDIN_FILENO, TIOCSCTTY, 0); |
160 | #endif | 160 | #endif |
161 | tcgetattr( STDIN_FILENO, &ttmode ); | 161 | tcgetattr( STDIN_FILENO, &ttmode ); |
162 | ttmode.c_cc[VINTR] = 3; | 162 | ttmode.c_cc[VINTR] = 3; |
163 | ttmode.c_cc[VERASE] = 8; | 163 | ttmode.c_cc[VERASE] = 8; |
164 | tcsetattr( STDIN_FILENO, TCSANOW, &ttmode ); | 164 | tcsetattr( STDIN_FILENO, TCSANOW, &ttmode ); |
165 | setenv("TERM","vt100",1); | 165 | setenv("TERM","vt100",1); |
166 | setenv("COLORTERM","0",1); | 166 | setenv("COLORTERM","0",1); |
167 | 167 | ||
168 | if (getuid() == 0) { | 168 | if (getuid() == 0) { |
169 | char msg[] = "WARNING: You are running this shell as root!\n"; | 169 | char msg[] = "WARNING: You are running this shell as root!\n"; |
170 | write(ttyfd, msg, sizeof(msg)); | 170 | write(ttyfd, msg, sizeof(msg)); |
171 | } | 171 | } |
172 | execl(cmd, cmd, 0); | 172 | ; //creates a login shell |
173 | 173 | execl(cmd, cmd, "--login", 0); | |
174 | donePty(); | 174 | |
175 | exit(-1); | 175 | donePty(); |
176 | exit(-1); | ||
176 | } | 177 | } |
177 | 178 | ||
178 | // parent - continue as a widget | 179 | // parent - continue as a widget |
179 | QSocketNotifier* sn_r = new QSocketNotifier(fd,QSocketNotifier::Read,this); | 180 | QSocketNotifier* sn_r = new QSocketNotifier(fd,QSocketNotifier::Read,this); |
180 | QSocketNotifier* sn_e = new QSocketNotifier(fd,QSocketNotifier::Exception,this); | 181 | QSocketNotifier* sn_e = new QSocketNotifier(fd,QSocketNotifier::Exception,this); |
181 | connect(sn_r,SIGNAL(activated(int)),this,SLOT(readPty())); | 182 | connect(sn_r,SIGNAL(activated(int)),this,SLOT(readPty())); |
182 | connect(sn_e,SIGNAL(activated(int)),this,SLOT(error())); | 183 | connect(sn_e,SIGNAL(activated(int)),this,SLOT(error())); |
183 | 184 | ||
184 | return 0; | 185 | return 0; |
185 | } | 186 | } |
186 | 187 | ||
187 | int MyPty::openPty() | 188 | int MyPty::openPty() |
188 | { | 189 | { |
189 | // This is code from the Qt DumbTerminal example | 190 | // This is code from the Qt DumbTerminal example |
190 | int ptyfd = -1; | 191 | int ptyfd = -1; |
191 | 192 | ||
192 | #ifdef HAVE_OPENPTY | 193 | #ifdef HAVE_OPENPTY |
193 | int ttyfd; | 194 | int ttyfd; |
194 | if ( openpty(&ptyfd,&ttyfd,ttynam,0,0) ) | 195 | if ( openpty(&ptyfd,&ttyfd,ttynam,0,0) ) |
195 | ptyfd = -1; | 196 | ptyfd = -1; |
196 | else | 197 | else |
197 | close(ttyfd); // we open the ttynam ourselves. | 198 | close(ttyfd); // we open the ttynam ourselves. |
198 | #else | 199 | #else |
199 | for (const char* c0 = "pqrstuvwxyzabcde"; ptyfd < 0 && *c0 != 0; c0++) { | 200 | for (const char* c0 = "pqrstuvwxyzabcde"; ptyfd < 0 && *c0 != 0; c0++) { |
200 | for (const char* c1 = "0123456789abcdef"; ptyfd < 0 && *c1 != 0; c1++) { | 201 | for (const char* c1 = "0123456789abcdef"; ptyfd < 0 && *c1 != 0; c1++) { |
201 | sprintf(ptynam,"/dev/pty%c%c",*c0,*c1); | 202 | sprintf(ptynam,"/dev/pty%c%c",*c0,*c1); |
202 | sprintf(ttynam,"/dev/tty%c%c",*c0,*c1); | 203 | sprintf(ttynam,"/dev/tty%c%c",*c0,*c1); |
203 | if ((ptyfd = ::open(ptynam,O_RDWR)) >= 0) { | 204 | if ((ptyfd = ::open(ptynam,O_RDWR)) >= 0) { |
204 | if (geteuid() != 0 && !access(ttynam,R_OK|W_OK) == 0) { | 205 | if (geteuid() != 0 && !access(ttynam,R_OK|W_OK) == 0) { |
205 | ::close(ptyfd); | 206 | ::close(ptyfd); |
206 | ptyfd = -1; | 207 | ptyfd = -1; |
207 | } | 208 | } |
208 | } | 209 | } |
209 | } | 210 | } |
210 | } | 211 | } |
211 | #endif | 212 | #endif |
212 | 213 | ||
213 | if ( ptyfd < 0 ) { | 214 | if ( ptyfd < 0 ) { |
214 | qApp->exit(1); | 215 | qApp->exit(1); |
215 | return -1; | 216 | return -1; |
216 | } | 217 | } |
217 | 218 | ||
218 | return ptyfd; | 219 | return ptyfd; |
219 | } | 220 | } |
220 | 221 | ||
221 | /*! | 222 | /*! |
222 | Create an instance. | 223 | Create an instance. |
223 | */ | 224 | */ |
224 | MyPty::MyPty() : cpid(0) | 225 | MyPty::MyPty() : cpid(0) |
225 | { | 226 | { |
226 | fd = openPty(); | 227 | fd = openPty(); |
227 | } | 228 | } |
228 | 229 | ||
229 | /*! | 230 | /*! |
230 | Destructor. | 231 | Destructor. |
231 | Note that the related client program is not killed | 232 | Note that the related client program is not killed |
232 | (yet) when a instance is deleted. | 233 | (yet) when a instance is deleted. |
233 | */ | 234 | */ |
234 | MyPty::~MyPty() | 235 | MyPty::~MyPty() |
235 | { | 236 | { |
236 | donePty(); | 237 | donePty(); |
237 | } | 238 | } |
238 | 239 | ||
239 | 240 | ||
240 | /*! sends len bytes through the line */ | 241 | /*! sends len bytes through the line */ |
241 | void MyPty::send_bytes(const char* s, int len) | 242 | void MyPty::send_bytes(const char* s, int len) |
242 | { | 243 | { |
243 | 244 | ||
244 | #ifdef VERBOSE_DEBUG | 245 | #ifdef VERBOSE_DEBUG |
245 | // verbose debug | 246 | // verbose debug |
246 | printf("sending bytes:\n"); | 247 | printf("sending bytes:\n"); |
247 | for (int i = 0; i < len; i++) | 248 | for (int i = 0; i < len; i++) |
248 | printf("%c", s[i]); | 249 | printf("%c", s[i]); |
249 | printf("\n"); | 250 | printf("\n"); |
250 | #endif | 251 | #endif |
251 | 252 | ||
252 | ::write(fd, s, len); | 253 | ::write(fd, s, len); |
253 | } | 254 | } |
254 | 255 | ||
255 | /*! indicates that a block of data is received */ | 256 | /*! indicates that a block of data is received */ |
256 | void MyPty::readPty() | 257 | void MyPty::readPty() |
257 | { | 258 | { |
258 | char buf[4096]; | 259 | char buf[4096]; |
259 | 260 | ||
260 | int len = ::read( fd, buf, 4096 ); | 261 | int len = ::read( fd, buf, 4096 ); |
261 | 262 | ||
262 | if (len == -1) | 263 | if (len == -1) |
263 | donePty(); | 264 | donePty(); |
264 | 265 | ||
265 | if (len < 0) | 266 | if (len < 0) |
266 | return; | 267 | return; |
267 | 268 | ||
268 | emit block_in(buf,len); | 269 | emit block_in(buf,len); |
269 | 270 | ||
270 | #ifdef VERBOSE_DEBUG | 271 | #ifdef VERBOSE_DEBUG |
271 | // verbose debug | 272 | // verbose debug |
272 | printf("read bytes:\n"); | 273 | printf("read bytes:\n"); |
273 | for (int i = 0; i < len; i++) | 274 | for (int i = 0; i < len; i++) |
274 | printf("%c", buf[i]); | 275 | printf("%c", buf[i]); |
275 | printf("\n"); | 276 | printf("\n"); |
276 | #endif | 277 | #endif |