4687d7523b
Add an explicit dependency on netbase for /etc/protocols Certain functions in glibc look for files present in /etc such as getprotobyname which reads /etc/protocols. If you are using Nix over a Linux installation, this file may not be present, and therefore it will cause errors. - add netbase as a new package in nixpks - add a dependency in glibc on it using postPatchPhase and substitute the path Fixes #124401
52 lines
1.5 KiB
Diff
52 lines
1.5 KiB
Diff
diff --git a/nss/nss_files/files-XXX.c b/nss/nss_files/files-XXX.c
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index 1db9e46127..3a567e0224 100644
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--- a/nss/nss_files/files-XXX.c
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+++ b/nss/nss_files/files-XXX.c
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@@ -75,8 +75,20 @@ internal_setent (FILE **stream)
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if (*stream == NULL)
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{
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- *stream = __nss_files_fopen (DATAFILE);
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-
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+ const char *file = DATAFILE;
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+
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+ #ifdef NIX_DATAFILE
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+ // use the Nix environment variable such as `NIX_ETC_PROTOCOLS`
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+ char *path = secure_getenv (NIX_DATAFILE);
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+
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+ // if the environment variable is set, then read from the /nix/store entry instead
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+ if (path && path[0]) {
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+ file = path;
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+ }
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+ #endif
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+
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+ *stream = __nss_files_fopen (file);
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+
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if (*stream == NULL)
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status = errno == EAGAIN ? NSS_STATUS_TRYAGAIN : NSS_STATUS_UNAVAIL;
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}
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diff --git a/nss/nss_files/files-proto.c b/nss/nss_files/files-proto.c
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index c30bedc0aa..b321e68d3c 100644
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--- a/nss/nss_files/files-proto.c
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+++ b/nss/nss_files/files-proto.c
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@@ -23,6 +23,7 @@ NSS_DECLARE_MODULE_FUNCTIONS (files)
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#define ENTNAME protoent
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#define DATABASE "protocols"
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+#define NIX_DATAFILE "NIX_ETC_PROTOCOLS"
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struct protoent_data {};
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diff --git a/nss/nss_files/files-service.c b/nss/nss_files/files-service.c
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index bfc2590699..0bff36aee5 100644
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--- a/nss/nss_files/files-service.c
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+++ b/nss/nss_files/files-service.c
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@@ -24,6 +24,7 @@ NSS_DECLARE_MODULE_FUNCTIONS (files)
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#define ENTNAME servent
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#define DATABASE "services"
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+#define NIX_DATAFILE "NIX_ETC_SERVICES"
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struct servent_data {};
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