Mercurial > trustbridge
comparison cinst/nssstore_linux.c @ 841:216a65d7fc4b
(issue66) Implement is_system_install and use it
This has completly different implementations for linux
and Windows. The commit also moves some code into util.c
for better reuse.
| author | Andre Heinecke <andre.heinecke@intevation.de> |
|---|---|
| date | Tue, 29 Jul 2014 18:12:57 +0200 |
| parents | e41a2537b84d |
| children | 698b6a9bd75e |
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| 840:c9a31544aaab | 841:216a65d7fc4b |
|---|---|
| 23 #include <pwd.h> | 23 #include <pwd.h> |
| 24 | 24 |
| 25 #include "nssstore.h" | 25 #include "nssstore.h" |
| 26 #include "logging.h" | 26 #include "logging.h" |
| 27 #include "strhelp.h" | 27 #include "strhelp.h" |
| 28 #include "util.h" | |
| 28 | 29 |
| 29 #define NSS_PROCESS_NAME "mozilla" | 30 #define NSS_PROCESS_NAME "mozilla" |
| 30 | 31 |
| 31 /**@brief get the current path of the executable | |
| 32 * | |
| 33 * Looks up the current executables directory. The caller | |
| 34 * has to free the return value. | |
| 35 * | |
| 36 * The returned value includes the last / | |
| 37 * | |
| 38 * @returns the absolute directory of the currently executed executable or NULL | |
| 39 */ | |
| 40 char * | |
| 41 get_exe_dir() | |
| 42 { | |
| 43 char *retval = NULL, | |
| 44 *p = NULL, | |
| 45 buf[PATH_MAX]; | |
| 46 ssize_t ret; | |
| 47 size_t path_len = 0; | |
| 48 | |
| 49 ret = readlink ("/proc/self/exe", buf, PATH_MAX); | |
| 50 if (ret <= 0) | |
| 51 { | |
| 52 ERRORPRINTF ("readlink failed\n"); | |
| 53 return NULL; | |
| 54 } | |
| 55 | |
| 56 buf[ret] = '\0'; | |
| 57 | |
| 58 /* cut off the filename */ | |
| 59 p = strrchr (buf, '/'); | |
| 60 if (p == NULL) | |
| 61 { | |
| 62 ERRORPRINTF ("No filename found.\n"); | |
| 63 return NULL; | |
| 64 } | |
| 65 *(p + 1) = '\0'; | |
| 66 | |
| 67 path_len = strlen (buf); | |
| 68 retval = xmalloc (path_len + 1); | |
| 69 strncpy (retval, buf, path_len); | |
| 70 retval[path_len] = '\0'; | |
| 71 | |
| 72 return retval; | |
| 73 } | |
| 74 | 32 |
| 75 /**@brief Start the process to install / remove | 33 /**@brief Start the process to install / remove |
| 76 * | 34 * |
| 77 * This forks the process and executes the NSS installation | 35 * This forks the process and executes the NSS installation |
| 78 * process. It also writes the Instructions to that process. | 36 * process. It also writes the Instructions to that process. |
| 121 xfree (envp[0]); | 79 xfree (envp[0]); |
| 122 return -1; | 80 return -1; |
| 123 } | 81 } |
| 124 | 82 |
| 125 /* Set up the file name of the installer process */ | 83 /* Set up the file name of the installer process */ |
| 126 inst_dir = get_exe_dir(); | 84 inst_dir = get_install_dir(); |
| 127 if (inst_dir == NULL) | 85 if (inst_dir == NULL) |
| 128 { | 86 { |
| 129 ERRORPRINTF ("Failed to find installation directory.\n"); | 87 ERRORPRINTF ("Failed to find installation directory.\n"); |
| 130 xfree (envp[0]); | 88 xfree (envp[0]); |
| 131 return -1; | 89 return -1; |